diff --git a/components/driver/CMakeLists.txt b/components/driver/CMakeLists.txt index 001e650415..1997c6d757 100644 --- a/components/driver/CMakeLists.txt +++ b/components/driver/CMakeLists.txt @@ -60,7 +60,7 @@ endif() if(CONFIG_SOC_I2S_SUPPORTED) list(APPEND srcs "i2s/i2s_common.c" "i2s/i2s_std.c" - "i2s/i2s_legacy.c") + "deprecated/i2s_legacy.c") if(CONFIG_SOC_I2S_SUPPORTS_PDM) list(APPEND srcs "i2s/i2s_pdm.c") endif() diff --git a/components/driver/Kconfig b/components/driver/Kconfig index 97125ebe23..a04d309270 100644 --- a/components/driver/Kconfig +++ b/components/driver/Kconfig @@ -318,7 +318,14 @@ menu "Driver Configurations" bool "Suppress leagcy driver deprecated warning" default n help - Enable this option will suppress the deprecation warnings of using APIs in deprecated I2S driver. + Enable this option will suppress the deprecation warnings of using APIs in legacy I2S driver. + + config I2S_ENABLE_DEBUG_LOG + bool "Enable I2S debug log" + default n + help + Wether to enable the debug log message for I2S driver. + Note that, this option only controls the I2S driver log, will not affect other drivers. endmenu # I2S Configuration endmenu # Driver configurations diff --git a/components/driver/adc.c b/components/driver/adc.c index fc88e89ce4..077942a051 100644 --- a/components/driver/adc.c +++ b/components/driver/adc.c @@ -38,6 +38,7 @@ #include "driver/spi_common_internal.h" #elif CONFIG_IDF_TARGET_ESP32 #include "hal/i2s_types.h" +#include "driver/i2s_types.h" #include "soc/i2s_periph.h" #include "esp_private/i2s_platform.h" #endif diff --git a/components/driver/deprecated/driver/i2s.h b/components/driver/deprecated/driver/i2s.h index e7c149e153..0d9c686acb 100644 --- a/components/driver/deprecated/driver/i2s.h +++ b/components/driver/deprecated/driver/i2s.h @@ -17,7 +17,6 @@ #include "esp_err.h" #include "freertos/FreeRTOS.h" #include "freertos/semphr.h" -#include "soc/i2s_periph.h" #include "driver/i2s_types_legacy.h" #if SOC_I2S_SUPPORTS_ADC @@ -46,7 +45,7 @@ extern "C" { * * @param pin I2S Pin structure, or NULL to set 2-channel 8-bit internal DAC pin configuration (GPIO25 & GPIO26) * - * Inside the pin configuration structure, set I2S_GPIO_UNUSED for any pin where + * Inside the pin configuration structure, set I2S_PIN_NO_CHANGE for any pin where * the current configuration should not be changed. * * @note if *pin is set as NULL, this function will initialize both of the built-in DAC channels by default. diff --git a/components/driver/deprecated/driver/i2s_types_legacy.h b/components/driver/deprecated/driver/i2s_types_legacy.h index 495394fba4..4f62d6a747 100644 --- a/components/driver/deprecated/driver/i2s_types_legacy.h +++ b/components/driver/deprecated/driver/i2s_types_legacy.h @@ -1,5 +1,5 @@ /* - * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD + * SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD * * SPDX-License-Identifier: Apache-2.0 */ @@ -13,6 +13,7 @@ #pragma once #include "hal/i2s_types.h" +#include "driver/i2s_types.h" #ifdef __cplusplus extern "C" { @@ -141,6 +142,25 @@ typedef enum { } i2s_dac_mode_t; #endif //SOC_I2S_SUPPORTS_DAC +/** + * @brief I2S event queue types + */ +typedef enum { + I2S_EVENT_DMA_ERROR, /*!< I2S DMA has no next descriptor for sending or receiving */ + I2S_EVENT_TX_DONE, /*!< I2S DMA finished sending one DMA buffer */ + I2S_EVENT_RX_DONE, /*!< I2S DMA finished receiving one DMA buffer */ + I2S_EVENT_TX_Q_OVF, /*!< I2S DMA sending queue overflowed, the oldest data has been overwritten by the new data in the DMA buffer */ + I2S_EVENT_RX_Q_OVF, /*!< I2S DMA receive queue overflowed, the oldest data has been overwritten by the new data in the DMA buffer */ +} i2s_event_type_t; + +/** + * @brief Event structure used in I2S event queue + */ +typedef struct { + i2s_event_type_t type; /*!< I2S event type */ + size_t size; /*!< I2S data size for I2S_DATA event*/ +} i2s_event_t; + /** * @brief I2S GPIO pins configuration */ diff --git a/components/driver/i2s/i2s_legacy.c b/components/driver/deprecated/i2s_legacy.c similarity index 92% rename from components/driver/i2s/i2s_legacy.c rename to components/driver/deprecated/i2s_legacy.c index 2655d91421..18c0633707 100644 --- a/components/driver/i2s/i2s_legacy.c +++ b/components/driver/deprecated/i2s_legacy.c @@ -12,11 +12,19 @@ #include "freertos/queue.h" #include "freertos/semphr.h" +#include "sdkconfig.h" + +#if CONFIG_I2S_ENABLE_DEBUG_LOG +// The local log level must be defined before including esp_log.h +// Set the maximum log level for this source file +#define LOG_LOCAL_LEVEL ESP_LOG_DEBUG +#endif + #include "soc/lldesc.h" #include "driver/gpio.h" #include "hal/gpio_hal.h" +#include "driver/i2s_types_legacy.h" #include "hal/i2s_hal.h" -#include "driver/i2s.h" #if SOC_I2S_SUPPORTS_DAC #include "driver/dac.h" #include "driver/adc.h" @@ -36,12 +44,9 @@ #include "esp_pm.h" #include "esp_efuse.h" #include "esp_rom_gpio.h" -#include "esp_private/i2s_platform.h" #include "esp_private/periph_ctrl.h" -#include "sdkconfig.h" - -static const char *TAG = "I2S"; +static const char *TAG = "i2s(legacy)"; #define I2S_ENTER_CRITICAL_ISR(i2s_num) portENTER_CRITICAL_ISR(&i2s_spinlock[i2s_num]) #define I2S_EXIT_CRITICAL_ISR(i2s_num) portEXIT_CRITICAL_ISR(&i2s_spinlock[i2s_num]) @@ -124,13 +129,24 @@ typedef struct { uint32_t total_slot; /*!< Total slot number */ } i2s_obj_t; +// Record the component name that using I2S peripheral +static const char *comp_using_i2s[SOC_I2S_NUM] = {[0 ... SOC_I2S_NUM - 1] = NULL}; + +// Global I2S object pointer static i2s_obj_t *p_i2s[SOC_I2S_NUM] = { [0 ... SOC_I2S_NUM - 1] = NULL, }; + +// Global spin lock for all i2s controllers static portMUX_TYPE i2s_spinlock[SOC_I2S_NUM] = { [0 ... SOC_I2S_NUM - 1] = (portMUX_TYPE)portMUX_INITIALIZER_UNLOCKED, }; + +__attribute__((weak)) esp_err_t i2s_platform_acquire_occupation(int id, const char *comp_name); + +__attribute__((weak)) esp_err_t i2s_platform_release_occupation(int id); + /*------------------------------------------------------------- I2S DMA operation -------------------------------------------------------------*/ @@ -412,7 +428,7 @@ static void i2s_rx_stop(i2s_port_t i2s_num) esp_err_t i2s_start(i2s_port_t i2s_num) { - ESP_RETURN_ON_FALSE((i2s_num < I2S_NUM_MAX), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); + ESP_RETURN_ON_FALSE((i2s_num < SOC_I2S_NUM), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); //start DMA link I2S_ENTER_CRITICAL(i2s_num); @@ -433,7 +449,7 @@ esp_err_t i2s_start(i2s_port_t i2s_num) esp_err_t i2s_stop(i2s_port_t i2s_num) { - ESP_RETURN_ON_FALSE((i2s_num < I2S_NUM_MAX), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); + ESP_RETURN_ON_FALSE((i2s_num < SOC_I2S_NUM), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); I2S_ENTER_CRITICAL(i2s_num); #if !SOC_GDMA_SUPPORTED esp_intr_disable(p_i2s[i2s_num]->i2s_isr_handle); @@ -462,7 +478,7 @@ static inline uint32_t i2s_get_buf_size(i2s_port_t i2s_num) /* The DMA buffer limitation is 4092 bytes */ uint32_t bytes_per_frame = bytes_per_sample * p_i2s[i2s_num]->active_slot; p_i2s[i2s_num]->dma_frame_num = (p_i2s[i2s_num]->dma_frame_num * bytes_per_frame > I2S_DMA_BUFFER_MAX_SIZE) ? - I2S_DMA_BUFFER_MAX_SIZE / bytes_per_frame : p_i2s[i2s_num]->dma_frame_num; + I2S_DMA_BUFFER_MAX_SIZE / bytes_per_frame : p_i2s[i2s_num]->dma_frame_num; return p_i2s[i2s_num]->dma_frame_num * bytes_per_frame; } @@ -496,7 +512,6 @@ static esp_err_t i2s_alloc_dma_buffer(i2s_port_t i2s_num, i2s_dma_t *dma_obj) ESP_GOTO_ON_FALSE(dma_obj->buf[cnt], ESP_ERR_NO_MEM, err, TAG, "Error malloc dma buffer"); /* Initialize DMA buffer to 0 */ memset(dma_obj->buf[cnt], 0, dma_obj->buf_size); - ESP_LOGD(TAG, "Addr[%d] = %d", cnt, (int)dma_obj->buf[cnt]); /* Allocate DMA descpriptor */ dma_obj->desc[cnt] = (lldesc_t *) heap_caps_calloc(1, sizeof(lldesc_t), MALLOC_CAP_DMA); @@ -518,7 +533,7 @@ static esp_err_t i2s_alloc_dma_buffer(i2s_port_t i2s_num, i2s_dma_t *dma_obj) if (p_i2s[i2s_num]->dir & I2S_DIR_RX) { i2s_ll_rx_set_eof_num(p_i2s[i2s_num]->hal.dev, dma_obj->buf_size); } - ESP_LOGI(TAG, "DMA Malloc info, datalen=blocksize=%d, dma_desc_num=%d", dma_obj->buf_size, buf_cnt); + ESP_LOGD(TAG, "DMA Malloc info, datalen=blocksize=%d, dma_desc_num=%d", dma_obj->buf_size, buf_cnt); return ESP_OK; err: /* Delete DMA buffer if failed to allocate memory */ @@ -564,7 +579,7 @@ static esp_err_t i2s_destroy_dma_object(i2s_port_t i2s_num, i2s_dma_t **dma) /* Free DMA structure */ free(*dma); *dma = NULL; - ESP_LOGI(TAG, "DMA queue destroyed"); + ESP_LOGD(TAG, "DMA queue destroyed"); return ESP_OK; } @@ -629,14 +644,14 @@ static uint32_t i2s_config_source_clock(i2s_port_t i2s_num, bool use_apll, uint3 if (ret == ESP_ERR_INVALID_STATE) { ESP_LOGW(TAG, "APLL is occupied already, it is working at %d Hz", real_freq); } - ESP_LOGI(TAG, "APLL expected frequency is %d Hz, real frequency is %d Hz", expt_freq, real_freq); + ESP_LOGD(TAG, "APLL expected frequency is %d Hz, real frequency is %d Hz", expt_freq, real_freq); /* In APLL mode, there is no sclk but only mclk, so return 0 here to indicate APLL mode */ return real_freq; } return I2S_LL_BASE_CLK; #else if (use_apll) { - ESP_LOGW(TAG, "APLL not supported on current chip, use I2S_CLK_PLL_160M as default clock source"); + ESP_LOGW(TAG, "APLL not supported on current chip, use I2S_CLK_SRC_DEFAULT as default clock source"); } return I2S_LL_BASE_CLK; #endif @@ -657,7 +672,7 @@ static esp_err_t i2s_calculate_adc_dac_clock(int i2s_num, i2s_hal_clock_info_t * clk_info->bclk_div = slot_bits; /* If fixed_mclk and use_apll are set, use fixed_mclk as mclk frequency, otherwise calculate by mclk = bclk * bclk_div */ clk_info->mclk = (p_i2s[i2s_num]->use_apll && p_i2s[i2s_num]->fixed_mclk) ? - p_i2s[i2s_num]->fixed_mclk : clk_info->bclk * clk_info->bclk_div; + p_i2s[i2s_num]->fixed_mclk : clk_info->bclk * clk_info->bclk_div; /* Calculate bclk_div = mclk / bclk */ clk_info->bclk_div = clk_info->mclk / clk_info->bclk; /* Get I2S system clock by config source clock */ @@ -686,7 +701,7 @@ static esp_err_t i2s_calculate_pdm_tx_clock(int i2s_num, i2s_hal_clock_info_t *c clk_info->bclk_div = 8; /* If fixed_mclk and use_apll are set, use fixed_mclk as mclk frequency, otherwise calculate by mclk = sample_rate_hz * multiple */ clk_info->mclk = (p_i2s[i2s_num]->use_apll && p_i2s[i2s_num]->fixed_mclk) ? - p_i2s[i2s_num]->fixed_mclk : clk_info->bclk * clk_info->bclk_div; + p_i2s[i2s_num]->fixed_mclk : clk_info->bclk * clk_info->bclk_div; /* Calculate bclk_div = mclk / bclk */ clk_info->bclk_div = clk_info->mclk / clk_info->bclk; /* Get I2S system clock by config source clock */ @@ -713,7 +728,7 @@ static esp_err_t i2s_calculate_pdm_rx_clock(int i2s_num, i2s_hal_clock_info_t *c clk_info->bclk_div = 8; /* If fixed_mclk and use_apll are set, use fixed_mclk as mclk frequency, otherwise calculate by mclk = sample_rate_hz * multiple */ clk_info->mclk = (p_i2s[i2s_num]->use_apll && p_i2s[i2s_num]->fixed_mclk) ? - p_i2s[i2s_num]->fixed_mclk : clk_info->bclk * clk_info->bclk_div; + p_i2s[i2s_num]->fixed_mclk : clk_info->bclk * clk_info->bclk_div; /* Calculate bclk_div = mclk / bclk */ clk_info->bclk_div = clk_info->mclk / clk_info->bclk; /* Get I2S system clock by config source clock */ @@ -869,7 +884,7 @@ esp_err_t i2s_set_adc_mode(adc_unit_t adc_unit, adc1_channel_t adc_channel) esp_err_t i2s_adc_enable(i2s_port_t i2s_num) { - ESP_RETURN_ON_FALSE((i2s_num < I2S_NUM_MAX), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); + ESP_RETURN_ON_FALSE((i2s_num < SOC_I2S_NUM), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); ESP_RETURN_ON_FALSE((p_i2s[i2s_num] != NULL), ESP_ERR_INVALID_STATE, TAG, "Not initialized yet"); ESP_RETURN_ON_FALSE(((int)p_i2s[i2s_num]->mode == I2S_COMM_MODE_ADC_DAC) && (p_i2s[i2s_num]->dir & I2S_DIR_RX), ESP_ERR_INVALID_STATE, TAG, "i2s built-in adc not enabled"); @@ -882,7 +897,7 @@ esp_err_t i2s_adc_enable(i2s_port_t i2s_num) esp_err_t i2s_adc_disable(i2s_port_t i2s_num) { - ESP_RETURN_ON_FALSE((i2s_num < I2S_NUM_MAX), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); + ESP_RETURN_ON_FALSE((i2s_num < SOC_I2S_NUM), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); ESP_RETURN_ON_FALSE((p_i2s[i2s_num] != NULL), ESP_ERR_INVALID_STATE, TAG, "Not initialized yet"); ESP_RETURN_ON_FALSE(((int)p_i2s[i2s_num]->mode == I2S_COMM_MODE_ADC_DAC) && (p_i2s[i2s_num]->dir & I2S_DIR_RX), ESP_ERR_INVALID_STATE, TAG, "i2s built-in adc not enabled"); @@ -897,7 +912,7 @@ static esp_err_t i2s_check_cfg_validity(i2s_port_t i2s_num, const i2s_config_t * { /* Step 1: Check the validity of input parameters */ /* Check the validity of i2s device number */ - ESP_RETURN_ON_FALSE((i2s_num < I2S_NUM_MAX), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); + ESP_RETURN_ON_FALSE((i2s_num < SOC_I2S_NUM), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); ESP_RETURN_ON_FALSE(p_i2s[i2s_num] == NULL, ESP_ERR_INVALID_STATE, TAG, "this i2s port is in use"); ESP_RETURN_ON_FALSE(cfg, ESP_ERR_INVALID_ARG, TAG, "I2S configuration must not be NULL"); /* Check the size of DMA buffer */ @@ -957,16 +972,16 @@ static void i2s_set_slot_legacy(i2s_port_t i2s_num) } #if SOC_I2S_SUPPORTS_PDM else if (p_i2s[i2s_num]->mode == I2S_COMM_MODE_PDM) { - #if SOC_I2S_SUPPORTS_PDM_TX +#if SOC_I2S_SUPPORTS_PDM_TX if (p_i2s[i2s_num]->dir & I2S_DIR_TX) { i2s_hal_pdm_set_tx_slot(&(p_i2s[i2s_num]->hal), is_tx_slave, (i2s_hal_slot_config_t *)(&p_i2s[i2s_num]->slot_cfg) ); } - #endif - #if SOC_I2S_SUPPORTS_PDM_RX +#endif +#if SOC_I2S_SUPPORTS_PDM_RX if (p_i2s[i2s_num]->dir & I2S_DIR_RX) { i2s_hal_pdm_set_rx_slot(&(p_i2s[i2s_num]->hal), is_rx_slave, (i2s_hal_slot_config_t *)(&p_i2s[i2s_num]->slot_cfg) ); } - #endif +#endif } #endif #if SOC_I2S_SUPPORTS_TDM @@ -1006,14 +1021,14 @@ static void i2s_set_clock_legacy(i2s_port_t i2s_num) float i2s_get_clk(i2s_port_t i2s_num) { - ESP_RETURN_ON_FALSE((i2s_num < I2S_NUM_MAX), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); + ESP_RETURN_ON_FALSE((i2s_num < SOC_I2S_NUM), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); i2s_clk_config_t *clk_cfg = &p_i2s[i2s_num]->clk_cfg; return (float)clk_cfg->sample_rate_hz; } esp_err_t i2s_set_clk(i2s_port_t i2s_num, uint32_t rate, uint32_t bits_cfg, i2s_channel_t ch) { - ESP_RETURN_ON_FALSE((i2s_num < I2S_NUM_MAX), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); + ESP_RETURN_ON_FALSE((i2s_num < SOC_I2S_NUM), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); ESP_RETURN_ON_FALSE(p_i2s[i2s_num], ESP_ERR_INVALID_ARG, TAG, "I2S%d has not installed yet", i2s_num); /* Acquire the lock before stop i2s, otherwise reading/writing operation will stuck on receiving the message queue from interrupt */ @@ -1038,6 +1053,19 @@ esp_err_t i2s_set_clk(i2s_port_t i2s_num, uint32_t rate, uint32_t bits_cfg, i2s_ ESP_RETURN_ON_FALSE((slot_cfg->slot_bit_width % 8 == 0), ESP_ERR_INVALID_ARG, TAG, "Invalid bits per channel"); ESP_RETURN_ON_FALSE(((int)slot_cfg->slot_bit_width <= (int)I2S_BITS_PER_SAMPLE_32BIT), ESP_ERR_INVALID_ARG, TAG, "Invalid bits per sample"); slot_cfg->slot_mode = ((ch & 0xFFFF) == I2S_CHANNEL_MONO) ? I2S_SLOT_MODE_MONO : I2S_SLOT_MODE_STEREO; + if (p_i2s[i2s_num]->mode == I2S_COMM_MODE_STD) { + if (slot_cfg->slot_mode == I2S_SLOT_MODE_MONO) { + if (slot_cfg->std.slot_mask == I2S_STD_SLOT_LEFT_RIGHT) { + slot_cfg->std.slot_mask = I2S_STD_SLOT_ONLY_LEFT; +#if SOC_I2S_HW_VERSION_1 + // Enable right first to get correct data sequence + slot_cfg->std.ws_pol = !slot_cfg->std.ws_pol; +#endif + } + } else { + slot_cfg->std.slot_mask = I2S_STD_SLOT_LEFT_RIGHT; + } + } #if SOC_I2S_SUPPORTS_TDM if (p_i2s[i2s_num]->mode == I2S_COMM_MODE_TDM) { uint32_t slot_mask = ch >> 16; @@ -1092,7 +1120,7 @@ esp_err_t i2s_set_clk(i2s_port_t i2s_num, uint32_t rate, uint32_t bits_cfg, i2s_ esp_err_t i2s_set_sample_rates(i2s_port_t i2s_num, uint32_t rate) { - ESP_RETURN_ON_FALSE((i2s_num < I2S_NUM_MAX), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); + ESP_RETURN_ON_FALSE((i2s_num < SOC_I2S_NUM), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); i2s_hal_slot_config_t *slot_cfg = &p_i2s[i2s_num]->slot_cfg; uint32_t mask = 0; #if SOC_I2S_SUPPORTS_TDM @@ -1210,7 +1238,7 @@ static void i2s_mode_identify(i2s_port_t i2s_num, const i2s_config_t *i2s_config #if SOC_I2S_SUPPORTS_TDM if (i2s_config->channel_format == I2S_CHANNEL_FMT_MULTIPLE) { - p_i2s[i2s_num]->mode = I2S_COMM_MODE_TDM; + p_i2s[i2s_num]->mode = I2S_COMM_MODE_TDM; } #endif // SOC_I2S_SUPPORTS_TDM @@ -1224,22 +1252,22 @@ static void i2s_mode_identify(i2s_port_t i2s_num, const i2s_config_t *i2s_config static esp_err_t i2s_config_transfer(i2s_port_t i2s_num, const i2s_config_t *i2s_config) { - #define SLOT_CFG(m) p_i2s[i2s_num]->slot_cfg.m - #define CLK_CFG() p_i2s[i2s_num]->clk_cfg +#define SLOT_CFG(m) p_i2s[i2s_num]->slot_cfg.m +#define CLK_CFG() p_i2s[i2s_num]->clk_cfg /* Convert legacy configuration into general part of slot and clock configuration */ p_i2s[i2s_num]->slot_cfg.data_bit_width = i2s_config->bits_per_sample; p_i2s[i2s_num]->slot_cfg.slot_bit_width = (int)i2s_config->bits_per_chan < (int)i2s_config->bits_per_sample ? - i2s_config->bits_per_sample : i2s_config->bits_per_chan; + i2s_config->bits_per_sample : i2s_config->bits_per_chan; - slot_cfg.slot_mode = i2s_config->channel_format < I2S_CHANNEL_FMT_ONLY_RIGHT ? - I2S_SLOT_MODE_STEREO : I2S_SLOT_MODE_MONO; + p_i2s[i2s_num]->slot_cfg.slot_mode = i2s_config->channel_format < I2S_CHANNEL_FMT_ONLY_RIGHT ? + I2S_SLOT_MODE_STEREO : I2S_SLOT_MODE_MONO; CLK_CFG().sample_rate_hz = i2s_config->sample_rate; CLK_CFG().mclk_multiple = i2s_config->mclk_multiple == 0 ? I2S_MCLK_MULTIPLE_256 : i2s_config->mclk_multiple; - CLK_CFG().clk_src = I2S_CLK_PLL_160M; + CLK_CFG().clk_src = I2S_CLK_SRC_DEFAULT; p_i2s[i2s_num]->fixed_mclk = i2s_config->fixed_mclk; p_i2s[i2s_num]->use_apll = false; #if SOC_I2S_SUPPORTS_APLL - CLK_CFG().clk_src = i2s_config->use_apll ? I2S_CLK_APLL : I2S_CLK_PLL_160M; + CLK_CFG().clk_src = i2s_config->use_apll ? I2S_CLK_SRC_APLL : I2S_CLK_SRC_DEFAULT; p_i2s[i2s_num]->use_apll = i2s_config->use_apll; #endif // SOC_I2S_SUPPORTS_APLL @@ -1249,12 +1277,12 @@ static esp_err_t i2s_config_transfer(i2s_port_t i2s_num, const i2s_config_t *i2s SLOT_CFG(std).ws_width = i2s_config->bits_per_sample; SLOT_CFG(std).ws_pol = false; if (i2s_config->channel_format == I2S_CHANNEL_FMT_RIGHT_LEFT) { - std_slot->slot_sel = I2S_STD_SLOT_LEFT_RIGHT; + SLOT_CFG(std).slot_mask = I2S_STD_SLOT_LEFT_RIGHT; } else if (i2s_config->channel_format == I2S_CHANNEL_FMT_ALL_LEFT || i2s_config->channel_format == I2S_CHANNEL_FMT_ONLY_LEFT) { - std_slot->slot_sel = I2S_STD_SLOT_ONLY_LEFT; + SLOT_CFG(std).slot_mask = I2S_STD_SLOT_ONLY_LEFT; } else { - std_slot->slot_sel = I2S_STD_SLOT_ONLY_RIGHT; + SLOT_CFG(std).slot_mask = I2S_STD_SLOT_ONLY_RIGHT; } if (i2s_config->communication_format == I2S_COMM_FORMAT_STAND_I2S) { SLOT_CFG(std).bit_shift = true; @@ -1264,13 +1292,13 @@ static esp_err_t i2s_config_transfer(i2s_port_t i2s_num, const i2s_config_t *i2s SLOT_CFG(std).ws_width = 1; SLOT_CFG(std).ws_pol = true; } - #if SOC_I2S_HW_VERSION_1 - SLOT_CFG(std).msb_right = false; - #elif SOC_I2S_HW_VERSION_2 +#if SOC_I2S_HW_VERSION_1 + SLOT_CFG(std).msb_right = true; +#elif SOC_I2S_HW_VERSION_2 SLOT_CFG(std).left_align = i2s_config->left_align; SLOT_CFG(std).big_endian = i2s_config->big_edin; SLOT_CFG(std).bit_order_lsb = i2s_config->bit_order_msb; // The old name is incorrect - #endif // SOC_I2S_HW_VERSION_1 +#endif // SOC_I2S_HW_VERSION_1 p_i2s[i2s_num]->active_slot = (int)p_i2s[i2s_num]->slot_cfg.slot_mode == I2S_SLOT_MODE_MONO ? 1 : 2; p_i2s[i2s_num]->total_slot = 2; @@ -1284,13 +1312,13 @@ static esp_err_t i2s_config_transfer(i2s_port_t i2s_num, const i2s_config_t *i2s SLOT_CFG(pdm_tx).hp_scale = I2S_PDM_SIG_SCALING_MUL_1; SLOT_CFG(pdm_tx).lp_scale = I2S_PDM_SIG_SCALING_MUL_1; SLOT_CFG(pdm_tx).sinc_scale = I2S_PDM_SIG_SCALING_MUL_1; - #if SOC_I2S_HW_VERSION_2 +#if SOC_I2S_HW_VERSION_2 SLOT_CFG(pdm_tx).sd_en = true; SLOT_CFG(pdm_tx).hp_en = true; SLOT_CFG(pdm_tx).hp_cut_off_freq_hz = 49; SLOT_CFG(pdm_tx).sd_dither = 0; SLOT_CFG(pdm_tx).sd_dither2 = 0; - #endif // SOC_I2S_HW_VERSION_2 +#endif // SOC_I2S_HW_VERSION_2 /* Generate PDM TX clock configuration */ CLK_CFG().up_sample_fp = 960; @@ -1321,13 +1349,11 @@ static esp_err_t i2s_config_transfer(i2s_port_t i2s_num, const i2s_config_t *i2s SLOT_CFG(tdm).ws_pol = false; if (i2s_config->communication_format == I2S_COMM_FORMAT_STAND_I2S) { SLOT_CFG(tdm).bit_shift = true; - } - else if (i2s_config->communication_format == I2S_COMM_FORMAT_STAND_PCM_SHORT) { + } else if (i2s_config->communication_format == I2S_COMM_FORMAT_STAND_PCM_SHORT) { SLOT_CFG(tdm).bit_shift = true; SLOT_CFG(tdm).ws_width = 1; SLOT_CFG(tdm).ws_pol = true; - } - else if (i2s_config->communication_format == I2S_COMM_FORMAT_STAND_PCM_LONG) { + } else if (i2s_config->communication_format == I2S_COMM_FORMAT_STAND_PCM_LONG) { SLOT_CFG(tdm).bit_shift = true; SLOT_CFG(tdm).ws_width = p_i2s[i2s_num]->slot_cfg.slot_bit_width; SLOT_CFG(tdm).ws_pol = true; @@ -1349,12 +1375,15 @@ static esp_err_t i2s_config_transfer(i2s_port_t i2s_num, const i2s_config_t *i2s #if SOC_I2S_SUPPORTS_ADC_DAC if ((int)p_i2s[i2s_num]->mode == I2S_COMM_MODE_ADC_DAC) { p_i2s[i2s_num]->slot_cfg.slot_mode = (p_i2s[i2s_num]->dir & I2S_DIR_TX) ? - I2S_SLOT_MODE_STEREO : I2S_SLOT_MODE_MONO; + I2S_SLOT_MODE_STEREO : I2S_SLOT_MODE_MONO; p_i2s[i2s_num]->active_slot = (p_i2s[i2s_num]->dir & I2S_DIR_TX) ? 2 : 1; p_i2s[i2s_num]->total_slot = 2; } #endif // SOC_I2S_SUPPORTS_ADC_DAC +#undef SLOT_CFG +#undef CLK_CFG + finish: return ESP_OK; } @@ -1389,16 +1418,16 @@ static esp_err_t i2s_init_legacy(i2s_port_t i2s_num, int intr_alloc_flag) } #if SOC_I2S_SUPPORTS_PDM else if (p_i2s[i2s_num]->mode == I2S_COMM_MODE_PDM) { - #if SOC_I2S_SUPPORTS_PDM_TX +#if SOC_I2S_SUPPORTS_PDM_TX if (p_i2s[i2s_num]->dir & I2S_DIR_TX) { i2s_hal_pdm_enable_tx_channel(&(p_i2s[i2s_num]->hal)); } - #endif - #if SOC_I2S_SUPPORTS_PDM_RX +#endif +#if SOC_I2S_SUPPORTS_PDM_RX if (p_i2s[i2s_num]->dir & I2S_DIR_RX) { i2s_hal_pdm_enable_rx_channel(&(p_i2s[i2s_num]->hal)); } - #endif +#endif } #endif #if SOC_I2S_SUPPORTS_TDM @@ -1455,7 +1484,7 @@ static esp_err_t i2s_init_legacy(i2s_port_t i2s_num, int intr_alloc_flag) esp_err_t i2s_driver_uninstall(i2s_port_t i2s_num) { - ESP_RETURN_ON_FALSE(i2s_num < I2S_NUM_MAX, ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); + ESP_RETURN_ON_FALSE(i2s_num < SOC_I2S_NUM, ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); ESP_RETURN_ON_FALSE(p_i2s[i2s_num], ESP_ERR_INVALID_STATE, TAG, "I2S port %d has not installed", i2s_num); i2s_obj_t *obj = p_i2s[i2s_num]; i2s_stop(i2s_num); @@ -1500,10 +1529,10 @@ esp_err_t i2s_driver_uninstall(i2s_port_t i2s_num) if (obj->use_apll) { // switch back to PLL clock source if (obj->dir & I2S_DIR_TX) { - i2s_ll_tx_clk_set_src(obj->hal.dev, I2S_CLK_PLL_160M); + i2s_ll_tx_clk_set_src(obj->hal.dev, I2S_CLK_SRC_DEFAULT); } if (obj->dir & I2S_DIR_RX) { - i2s_ll_rx_clk_set_src(obj->hal.dev, I2S_CLK_PLL_160M); + i2s_ll_rx_clk_set_src(obj->hal.dev, I2S_CLK_SRC_DEFAULT); } periph_rtc_apll_release(); } @@ -1533,6 +1562,9 @@ esp_err_t i2s_driver_uninstall(i2s_port_t i2s_num) esp_err_t i2s_driver_install(i2s_port_t i2s_num, const i2s_config_t *i2s_config, int queue_size, void *i2s_queue) { +#if CONFIG_I2S_ENABLE_DEBUG_LOG + esp_log_level_set(TAG, ESP_LOG_DEBUG); +#endif esp_err_t ret = ESP_OK; /* Step 1: Check the validity of input parameters */ @@ -1541,12 +1573,12 @@ esp_err_t i2s_driver_install(i2s_port_t i2s_num, const i2s_config_t *i2s_config, /* Step 2: Allocate driver object and register to platform */ i2s_obj_t *i2s_obj = calloc(1, sizeof(i2s_obj_t)); ESP_RETURN_ON_FALSE(i2s_obj, ESP_ERR_NO_MEM, TAG, "no mem for I2S driver"); - p_i2s[i2s_num] = i2s_obj; if (i2s_platform_acquire_occupation(i2s_num, "i2s_legacy") != ESP_OK) { free(i2s_obj); ESP_LOGE(TAG, "register I2S object to platform failed"); return ESP_ERR_INVALID_STATE; } + p_i2s[i2s_num] = i2s_obj; i2s_hal_init(&i2s_obj->hal, i2s_num); /* Step 3: Store and assign configarations */ @@ -1564,7 +1596,7 @@ esp_err_t i2s_driver_install(i2s_port_t i2s_num, const i2s_config_t *i2s_config, i2s_obj->i2s_queue = xQueueCreate(queue_size, sizeof(i2s_event_t)); ESP_GOTO_ON_FALSE(i2s_obj->i2s_queue, ESP_ERR_NO_MEM, err, TAG, "I2S queue create failed"); *((QueueHandle_t *) i2s_queue) = i2s_obj->i2s_queue; - ESP_LOGI(TAG, "queue free spaces: %d", uxQueueSpacesAvailable(i2s_obj->i2s_queue)); + ESP_LOGD(TAG, "queue free spaces: %d", uxQueueSpacesAvailable(i2s_obj->i2s_queue)); } else { i2s_obj->i2s_queue = NULL; } @@ -1586,7 +1618,7 @@ esp_err_t i2s_write(i2s_port_t i2s_num, const void *src, size_t size, size_t *by char *src_byte; size_t bytes_can_write; *bytes_written = 0; - ESP_RETURN_ON_FALSE((i2s_num < I2S_NUM_MAX), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); + ESP_RETURN_ON_FALSE((i2s_num < SOC_I2S_NUM), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); ESP_RETURN_ON_FALSE((p_i2s[i2s_num]->tx), ESP_ERR_INVALID_ARG, TAG, "TX mode is not enabled"); xSemaphoreTake(p_i2s[i2s_num]->tx->mux, portMAX_DELAY); #ifdef CONFIG_PM_ENABLE @@ -1629,7 +1661,7 @@ esp_err_t i2s_write_expand(i2s_port_t i2s_num, const void *src, size_t size, siz int aim_bytes; int zero_bytes; *bytes_written = 0; - ESP_RETURN_ON_FALSE((i2s_num < I2S_NUM_MAX), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); + ESP_RETURN_ON_FALSE((i2s_num < SOC_I2S_NUM), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); ESP_RETURN_ON_FALSE((size > 0), ESP_ERR_INVALID_ARG, TAG, "size must greater than zero"); ESP_RETURN_ON_FALSE((aim_bits >= src_bits), ESP_ERR_INVALID_ARG, TAG, "aim_bits mustn't be less than src_bits"); ESP_RETURN_ON_FALSE((p_i2s[i2s_num]->tx), ESP_ERR_INVALID_ARG, TAG, "TX mode is not enabled"); @@ -1688,11 +1720,11 @@ esp_err_t i2s_write_expand(i2s_port_t i2s_num, const void *src, size_t size, siz esp_err_t i2s_read(i2s_port_t i2s_num, void *dest, size_t size, size_t *bytes_read, TickType_t ticks_to_wait) { char *data_ptr;; - char*dest_byte; + char *dest_byte; int bytes_can_read; *bytes_read = 0; dest_byte = (char *)dest; - ESP_RETURN_ON_FALSE((i2s_num < I2S_NUM_MAX), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); + ESP_RETURN_ON_FALSE((i2s_num < SOC_I2S_NUM), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); ESP_RETURN_ON_FALSE((p_i2s[i2s_num]->rx), ESP_ERR_INVALID_ARG, TAG, "RX mode is not enabled"); xSemaphoreTake(p_i2s[i2s_num]->rx->mux, portMAX_DELAY); #ifdef CONFIG_PM_ENABLE @@ -1771,13 +1803,13 @@ static esp_err_t i2s_check_set_mclk(i2s_port_t i2s_num, gpio_num_t gpio_num) ESP_RETURN_ON_FALSE(GPIO_IS_VALID_GPIO(gpio_num), ESP_ERR_INVALID_ARG, TAG, "mck_io_num invalid"); gpio_matrix_out_check_and_set(gpio_num, i2s_periph_signal[i2s_num].mck_out_sig, 0, 0); #endif - ESP_LOGI(TAG, "I2S%d, MCLK output by GPIO%d", i2s_num, gpio_num); + ESP_LOGD(TAG, "I2S%d, MCLK output by GPIO%d", i2s_num, gpio_num); return ESP_OK; } esp_err_t i2s_zero_dma_buffer(i2s_port_t i2s_num) { - ESP_RETURN_ON_FALSE((i2s_num < I2S_NUM_MAX), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); + ESP_RETURN_ON_FALSE((i2s_num < SOC_I2S_NUM), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); uint32_t buf_cnt = p_i2s[i2s_num]->dma_desc_num; /* Clear I2S RX DMA buffer */ @@ -1805,7 +1837,7 @@ esp_err_t i2s_zero_dma_buffer(i2s_port_t i2s_num) esp_err_t i2s_set_pin(i2s_port_t i2s_num, const i2s_pin_config_t *pin) { - ESP_RETURN_ON_FALSE((i2s_num < I2S_NUM_MAX), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); + ESP_RETURN_ON_FALSE((i2s_num < SOC_I2S_NUM), ESP_ERR_INVALID_ARG, TAG, "i2s_num error"); if (pin == NULL) { #if SOC_I2S_SUPPORTS_DAC return i2s_set_dac_mode(I2S_DAC_CHANNEL_BOTH_EN); @@ -1852,3 +1884,48 @@ esp_err_t i2s_set_pin(i2s_port_t i2s_num, const i2s_pin_config_t *pin) gpio_matrix_in_check_and_set(pin->data_in_num, i2s_periph_signal[i2s_num].data_in_sig, 0); return ESP_OK; } + +esp_err_t i2s_platform_acquire_occupation(int id, const char *comp_name) +{ + esp_err_t ret = ESP_ERR_NOT_FOUND; + ESP_RETURN_ON_FALSE(id < SOC_I2S_NUM, ESP_ERR_INVALID_ARG, TAG, "invalid i2s port id"); + portENTER_CRITICAL(&i2s_spinlock[id]); + if (!comp_using_i2s[id]) { + ret = ESP_OK; + comp_using_i2s[id] = comp_name; + periph_module_enable(i2s_periph_signal[id].module); + i2s_ll_enable_clock(I2S_LL_GET_HW(id)); + } + portEXIT_CRITICAL(&i2s_spinlock[id]); + return ret; +} + +esp_err_t i2s_platform_release_occupation(int id) +{ + esp_err_t ret = ESP_ERR_INVALID_STATE; + ESP_RETURN_ON_FALSE(id < SOC_I2S_NUM, ESP_ERR_INVALID_ARG, TAG, "invalid i2s port id"); + portENTER_CRITICAL(&i2s_spinlock[id]); + if (comp_using_i2s[id]) { + ret = ESP_OK; + comp_using_i2s[id] = NULL; + /* Disable module clock */ + periph_module_disable(i2s_periph_signal[id].module); + i2s_ll_disable_clock(I2S_LL_GET_HW(id)); + } + portEXIT_CRITICAL(&i2s_spinlock[id]); + return ret; +} + +/** + * @brief This function will be called during start up, to check that pulse_cnt driver is not running along with the legacy i2s driver + */ +static __attribute__((constructor)) void check_i2s_driver_conflict(void) +{ + extern __attribute__((weak)) esp_err_t i2s_del_channel(void *handle); + /* If the new I2S driver is linked, the weak function will point to the actual function in the new driver, otherwise it is NULL*/ + if ((void *)i2s_del_channel != NULL) { + ESP_EARLY_LOGE(TAG, "CONFLICT! The new i2s driver can't work along with the legacy i2s driver"); + abort(); + } + ESP_EARLY_LOGW(TAG, "legacy i2s driver is deprecated, please migrate to use driver/i2s_std.h, driver/i2s_pdm.h or driver/i2s_tdm.h"); +} diff --git a/components/driver/i2s/i2s_common.c b/components/driver/i2s/i2s_common.c index 656485c533..4fcfb3a201 100644 --- a/components/driver/i2s/i2s_common.c +++ b/components/driver/i2s/i2s_common.c @@ -10,9 +10,18 @@ #include "freertos/FreeRTOS.h" #include "freertos/queue.h" #include "freertos/task.h" + +#include "sdkconfig.h" + +#if CONFIG_I2S_ENABLE_DEBUG_LOG +// The local log level must be defined before including esp_log.h +// Set the maximum log level for this source file +#define LOG_LOCAL_LEVEL ESP_LOG_DEBUG +#endif +#include "esp_log.h" + #include "soc/i2s_periph.h" #include "soc/soc_caps.h" -#include "soc/soc.h" #include "hal/gpio_hal.h" #include "hal/i2s_hal.h" @@ -35,11 +44,8 @@ #include "esp_check.h" #include "esp_attr.h" -// // #include "esp_efuse.h" #include "esp_rom_gpio.h" -#include "sdkconfig.h" - #define I2S_DMA_BUFFER_MAX_SIZE (4092) // If ISR handler is allowed to run whilst cache is disabled, @@ -51,18 +57,19 @@ #define I2S_INTR_ALLOC_FLAGS (ESP_INTR_FLAG_INTRDISABLED | ESP_INTR_FLAG_SHARED) #define I2S_MEM_ALLOC_CAPS MALLOC_CAP_DEFAULT #endif //CONFIG_I2S_ISR_IRAM_SAFE +#define I2S_DMA_ALLOC_CAPS (MALLOC_CAP_INTERNAL | MALLOC_CAP_DMA) /** - * @brief Static i2s platform object + * @brief Global i2s platform object * @note For saving all the I2S related information */ -i2s_platform_t s_i2s = { +i2s_platform_t g_i2s = { .spinlock = (portMUX_TYPE)portMUX_INITIALIZER_UNLOCKED, - .controller[0 ... (I2S_NUM_MAX - 1)] = NULL, // groups will be lazy installed - .comp_name[0 ... (I2S_NUM_MAX - 1)] = NULL, + .controller[0 ... (SOC_I2S_NUM - 1)] = NULL, // groups will be lazy installed + .comp_name[0 ... (SOC_I2S_NUM - 1)] = NULL, }; -static const char *TAG = "I2S_COMMON"; +static const char *TAG = "i2s_common"; /*--------------------------------------------------------------------------- I2S Static APIs @@ -70,61 +77,69 @@ static const char *TAG = "I2S_COMMON"; Scope: This file only ----------------------------------------------------------------------------*/ -static void i2s_tx_start(i2s_chan_handle_t handle) +static void i2s_tx_channel_start(i2s_chan_handle_t handle) { - /* No lock here beacuse semaphore has been taken while calling this function */ - i2s_hal_tx_reset(&(handle->parent->hal)); - i2s_hal_tx_reset_fifo(&(handle->parent->hal)); + i2s_hal_tx_reset(&(handle->controller->hal)); +#if SOC_GDMA_SUPPORTED + gdma_reset((handle->dma.dma_chan)); +#else + i2s_hal_tx_reset_dma(&(handle->controller->hal)); +#endif + i2s_hal_tx_reset_fifo(&(handle->controller->hal)); +#if SOC_GDMA_SUPPORTED + gdma_start((handle->dma.dma_chan), (uint32_t) handle->dma.desc[0]); +#else + esp_intr_enable(handle->dma.dma_chan); + i2s_hal_tx_enable_intr(&(handle->controller->hal)); + i2s_hal_tx_enable_dma(&(handle->controller->hal)); + i2s_hal_tx_start_link(&(handle->controller->hal), (uint32_t) handle->dma.desc[0]); +#endif + i2s_hal_tx_start(&(handle->controller->hal)); +} + +static void i2s_rx_channel_start(i2s_chan_handle_t handle) +{ + i2s_hal_rx_reset(&(handle->controller->hal)); #if SOC_GDMA_SUPPORTED gdma_reset(handle->dma.dma_chan); +#else + i2s_hal_rx_reset_dma(&(handle->controller->hal)); +#endif + i2s_hal_rx_reset_fifo(&(handle->controller->hal)); +#if SOC_GDMA_SUPPORTED gdma_start(handle->dma.dma_chan, (uint32_t) handle->dma.desc[0]); #else - i2s_hal_tx_reset_dma(&(handle->parent->hal)); - i2s_hal_tx_enable_intr(&(handle->parent->hal)); - i2s_hal_tx_start_link(&(handle->parent->hal), (uint32_t) handle->dma.desc[0]); + esp_intr_enable(handle->dma.dma_chan); + i2s_hal_rx_enable_intr(&(handle->controller->hal)); + i2s_hal_rx_enable_dma(&(handle->controller->hal)); + i2s_hal_rx_start_link(&(handle->controller->hal), (uint32_t) handle->dma.desc[0]); #endif - i2s_hal_tx_start(&(handle->parent->hal)); + i2s_hal_rx_start(&(handle->controller->hal)); } -static void i2s_rx_start(i2s_chan_handle_t handle) +static void i2s_tx_channel_stop(i2s_chan_handle_t handle) { - /* No lock here beacuse semaphore has been taken while calling this function */ - i2s_hal_rx_reset(&(handle->parent->hal)); - i2s_hal_rx_reset_fifo(&(handle->parent->hal)); + i2s_hal_tx_stop(&(handle->controller->hal)); #if SOC_GDMA_SUPPORTED - gdma_reset(handle->dma.dma_chan); - gdma_start(handle->dma.dma_chan, (uint32_t) handle->dma.desc[0]); -#else - i2s_hal_rx_reset_dma(&(handle->parent->hal)); - i2s_hal_rx_enable_intr(&(handle->parent->hal)); - i2s_hal_rx_start_link(&(handle->parent->hal), (uint32_t) handle->dma.desc[0]); -#endif - i2s_hal_rx_start(&(handle->parent->hal)); -} - -static void i2s_tx_stop(i2s_chan_handle_t handle) -{ - /* No lock here beacuse semaphore has been taken while calling this function */ -#if SOC_GDMA_SUPPORTED - i2s_hal_tx_stop(&(handle->parent->hal)); gdma_stop(handle->dma.dma_chan); #else - i2s_hal_tx_stop(&(handle->parent->hal)); - i2s_hal_tx_stop_link(&(handle->parent->hal)); - i2s_hal_tx_disable_intr(&(handle->parent->hal)); + i2s_hal_tx_stop_link(&(handle->controller->hal)); + i2s_hal_tx_disable_intr(&(handle->controller->hal)); + i2s_hal_tx_disable_dma(&(handle->controller->hal)); + esp_intr_disable(handle->dma.dma_chan); #endif } -static void i2s_rx_stop(i2s_chan_handle_t handle) +static void i2s_rx_channel_stop(i2s_chan_handle_t handle) { - /* No lock here beacuse semaphore has been taken while calling this function */ + i2s_hal_rx_stop(&(handle->controller->hal)); #if SOC_GDMA_SUPPORTED - i2s_hal_rx_stop(&(handle->parent->hal)); gdma_stop(handle->dma.dma_chan); #else - i2s_hal_rx_stop(&(handle->parent->hal)); - i2s_hal_rx_stop_link(&(handle->parent->hal)); - i2s_hal_rx_disable_intr(&(handle->parent->hal)); + i2s_hal_rx_stop_link(&(handle->controller->hal)); + i2s_hal_rx_disable_intr(&(handle->controller->hal)); + i2s_hal_rx_disable_dma(&(handle->controller->hal)); + esp_intr_disable(handle->dma.dma_chan); #endif } @@ -138,8 +153,6 @@ static esp_err_t i2s_destroy_controller_obj(i2s_controller_t **i2s_obj) int id = (*i2s_obj)->id; #if SOC_I2S_HW_VERSION_1 i2s_ll_enable_dma((*i2s_obj)->hal.dev, false); - esp_intr_disable((*i2s_obj)->i2s_isr_handle); - esp_intr_free((*i2s_obj)->i2s_isr_handle); #endif free(*i2s_obj); *i2s_obj = NULL; @@ -152,13 +165,13 @@ static esp_err_t i2s_destroy_controller_obj(i2s_controller_t **i2s_obj) * @param id i2s port id * @param search_reverse reverse the sequence of port acquirement * set false to acquire from I2S_NUM_0 first - * set true to acquire from I2S_NUM_MAX - 1 first + * set true to acquire from SOC_I2S_NUM - 1 first * @return * - pointer of acquired i2s controller object */ static i2s_controller_t *i2s_acquire_controller_obj(int id) { - if (id < 0 || id >= I2S_NUM_MAX) { + if (id < 0 || id >= SOC_I2S_NUM) { return NULL; } /* pre-alloc controller object */ @@ -168,35 +181,34 @@ static i2s_controller_t *i2s_acquire_controller_obj(int id) } pre_alloc->id = id; i2s_hal_init(&pre_alloc->hal, id); -#if !SOC_GDMA_SUPPORTED - pre_alloc->i2s_isr_handle = NULL; -#endif pre_alloc->full_duplex = false; pre_alloc->tx_chan = NULL; pre_alloc->rx_chan = NULL; pre_alloc->mclk = I2S_GPIO_UNUSED; i2s_controller_t *i2s_obj = NULL; - if (!s_i2s.controller[id]) { - /* Try to occupy this i2s controller - if failed, this controller could be occupied by other components */ - if (i2s_platform_acquire_occupation(id, "i2s_driver") == ESP_OK) { - i2s_obj = pre_alloc; - portENTER_CRITICAL(&s_i2s.spinlock); - s_i2s.controller[id] = i2s_obj; - portEXIT_CRITICAL(&s_i2s.spinlock); - #if SOC_I2S_SUPPORTS_ADC_DAC - if (id == I2S_NUM_0) { - adc_ll_digi_set_data_source(ADC_I2S_DATA_SRC_IO_SIG); - } - #endif + /* Try to occupy this i2s controller */ + if (i2s_platform_acquire_occupation(id, "i2s_driver") == ESP_OK) { + portENTER_CRITICAL(&g_i2s.spinlock); + i2s_obj = pre_alloc; + g_i2s.controller[id] = i2s_obj; + portEXIT_CRITICAL(&g_i2s.spinlock); +#if SOC_I2S_SUPPORTS_ADC_DAC + if (id == I2S_NUM_0) { + adc_ll_digi_set_data_source(ADC_I2S_DATA_SRC_IO_SIG); + } +#endif + } else { + free(pre_alloc); + portENTER_CRITICAL(&g_i2s.spinlock); + if (g_i2s.controller[id]) { + i2s_obj = g_i2s.controller[id]; } else { - free(pre_alloc); + } + portEXIT_CRITICAL(&g_i2s.spinlock); + if (i2s_obj == NULL) { ESP_LOGE(TAG, "i2s%d might be occupied by other component", id); } - } else { - i2s_obj = s_i2s.controller[id]; - free(pre_alloc); } return i2s_obj; @@ -212,19 +224,21 @@ static inline bool i2s_take_available_channel(i2s_controller_t *i2s_obj, uint8_t */ chan_search_mask = I2S_DIR_RX | I2S_DIR_TX; #endif - portENTER_CRITICAL(&s_i2s.spinlock); + portENTER_CRITICAL(&g_i2s.spinlock); if (!(chan_search_mask & i2s_obj->chan_occupancy)) { i2s_obj->chan_occupancy |= chan_search_mask; is_available = true; } - portEXIT_CRITICAL(&s_i2s.spinlock); + portEXIT_CRITICAL(&g_i2s.spinlock); return is_available; } -static esp_err_t i2s_register_channel(i2s_controller_t *i2s_obj, i2s_dir_t dir) +static esp_err_t i2s_register_channel(i2s_controller_t *i2s_obj, i2s_dir_t dir, uint32_t desc_num) { I2S_NULL_POINTER_CHECK(TAG, i2s_obj); + esp_err_t ret = ESP_OK; + i2s_chan_handle_t new_chan = (i2s_chan_handle_t)heap_caps_calloc(1, sizeof(struct i2s_channel_t), I2S_MEM_ALLOC_CAPS); ESP_RETURN_ON_FALSE(new_chan, ESP_ERR_NO_MEM, TAG, "No memory for new channel"); new_chan->mode = I2S_COMM_MODE_NONE; @@ -235,19 +249,41 @@ static esp_err_t i2s_register_channel(i2s_controller_t *i2s_obj, i2s_dir_t dir) new_chan->apll_en = false; #endif new_chan->mode_info = NULL; - new_chan->parent = i2s_obj; - new_chan->event_queue = NULL; + new_chan->controller = i2s_obj; +#if CONFIG_PM_ENABLE new_chan->pm_lock = NULL; // Init in i2s_set_clock according to clock source - new_chan->msg_queue = NULL; +#endif +#if CONFIG_I2S_ISR_IRAM_SAFE + new_chan->msg_que_storage = (uint8_t *)heap_caps_calloc(desc_num - 1, sizeof(uint8_t *), I2S_MEM_ALLOC_CAPS); + ESP_GOTO_ON_FALSE(new_chan->msg_que_storage, ESP_ERR_NO_MEM, err, TAG, "No memory for message queue storage"); + new_chan->msg_que_struct = (StaticQueue_t *)heap_caps_calloc(1, sizeof(StaticQueue_t), I2S_MEM_ALLOC_CAPS); + ESP_GOTO_ON_FALSE(new_chan->msg_que_struct, ESP_ERR_NO_MEM, err, TAG, "No memory for message queue struct"); + new_chan->msg_queue = xQueueCreateStatic(desc_num - 1, sizeof(uint8_t *), new_chan->msg_que_storage, new_chan->msg_que_struct); + ESP_GOTO_ON_FALSE(new_chan->msg_queue, ESP_ERR_NO_MEM, err, TAG, "No memory for message queue"); + new_chan->mutex_struct = (StaticSemaphore_t *)heap_caps_calloc(1, sizeof(StaticSemaphore_t), I2S_MEM_ALLOC_CAPS); + ESP_GOTO_ON_FALSE(new_chan->mutex_struct, ESP_ERR_NO_MEM, err, TAG, "No memory for mutex struct"); + new_chan->mutex = xSemaphoreCreateMutexStatic(new_chan->mutex_struct); + ESP_GOTO_ON_FALSE(new_chan->mutex, ESP_ERR_NO_MEM, err, TAG, "No memory for mutex"); + new_chan->binary_struct = (StaticSemaphore_t *)heap_caps_calloc(1, sizeof(StaticSemaphore_t), I2S_MEM_ALLOC_CAPS); + ESP_GOTO_ON_FALSE(new_chan->binary_struct, ESP_ERR_NO_MEM, err, TAG, "No memory for binary struct"); + new_chan->binary = xSemaphoreCreateBinaryStatic(new_chan->binary_struct); + ESP_GOTO_ON_FALSE(new_chan->binary, ESP_ERR_NO_MEM, err, TAG, "No memory for binary"); +#else + new_chan->msg_queue = xQueueCreate(desc_num - 1, sizeof(uint8_t *)); + ESP_GOTO_ON_FALSE(new_chan->msg_queue, ESP_ERR_NO_MEM, err, TAG, "No memory for message queue"); new_chan->mutex = xSemaphoreCreateMutex(); + ESP_GOTO_ON_FALSE(new_chan->mutex, ESP_ERR_NO_MEM, err, TAG, "No memory for mutex semaphore"); + new_chan->binary = xSemaphoreCreateBinary(); + ESP_GOTO_ON_FALSE(new_chan->binary, ESP_ERR_NO_MEM, err, TAG, "No memory for binary semaphore"); +#endif + + new_chan->callbacks.on_recv = NULL; + new_chan->callbacks.on_recv_q_ovf = NULL; + new_chan->callbacks.on_sent = NULL; + new_chan->callbacks.on_send_q_ovf = NULL; new_chan->start = NULL; new_chan->stop = NULL; - if (!new_chan->mutex) { - ESP_LOGE(TAG, "mutex create failed"); - free(new_chan); - return ESP_ERR_NO_MEM; - } if (dir == I2S_DIR_TX) { if (i2s_obj->tx_chan) { i2s_del_channel(i2s_obj->tx_chan); @@ -260,7 +296,66 @@ static esp_err_t i2s_register_channel(i2s_controller_t *i2s_obj, i2s_dir_t dir) } i2s_obj->rx_chan = new_chan; } - return ESP_OK; + return ret; +err: +#if CONFIG_I2S_ISR_IRAM_SAFE + if (new_chan->msg_que_storage) { + free(new_chan->msg_que_storage); + } + if (new_chan->msg_que_struct) { + free(new_chan->msg_que_struct); + } + if (new_chan->mutex_struct) { + free(new_chan->mutex_struct); + } + if (new_chan->binary_struct) { + free(new_chan->binary_struct); + } +#endif + if (new_chan->msg_queue) { + vQueueDelete(new_chan->msg_queue); + } + if (new_chan->mutex) { + vSemaphoreDelete(new_chan->mutex); + } + if (new_chan->binary) { + vSemaphoreDelete(new_chan->binary); + } + free(new_chan); + + return ret; +} + +esp_err_t i2s_channel_register_event_callback(i2s_chan_handle_t handle, const i2s_event_callbacks_t *callbacks, void *user_data) +{ + I2S_NULL_POINTER_CHECK(TAG, handle); + I2S_NULL_POINTER_CHECK(TAG, callbacks); + esp_err_t ret = ESP_OK; +#if CONFIG_I2S_ISR_IRAM_SAFE + if (callbacks->on_recv) { + ESP_RETURN_ON_FALSE(esp_ptr_in_iram(callbacks->on_recv), ESP_ERR_INVALID_ARG, TAG, "on_recv callback not in IRAM"); + } + if (callbacks->on_recv_q_ovf) { + ESP_RETURN_ON_FALSE(esp_ptr_in_iram(callbacks->on_recv_q_ovf), ESP_ERR_INVALID_ARG, TAG, "on_recv_q_ovf callback not in IRAM"); + } + if (callbacks->on_sent) { + ESP_RETURN_ON_FALSE(esp_ptr_in_iram(callbacks->on_sent), ESP_ERR_INVALID_ARG, TAG, "on_sent callback not in IRAM"); + } + if (callbacks->on_send_q_ovf) { + ESP_RETURN_ON_FALSE(esp_ptr_in_iram(callbacks->on_send_q_ovf), ESP_ERR_INVALID_ARG, TAG, "on_send_q_ovf callback not in IRAM"); + } + if (user_data) { + ESP_RETURN_ON_FALSE(esp_ptr_internal(user_data), ESP_ERR_INVALID_ARG, TAG, "user context not in internal RAM"); + } +#endif + + xSemaphoreTake(handle->mutex, portMAX_DELAY); + ESP_GOTO_ON_FALSE(handle->state < I2S_CHAN_STATE_RUNNING, ESP_ERR_INVALID_STATE, err, TAG, "invalid state, I2S has enabled"); + memcpy(&(handle->callbacks), callbacks, sizeof(i2s_event_callbacks_t)); + handle->user_data = user_data; +err: + xSemaphoreGive(handle->mutex); + return ret; } uint32_t i2s_get_buf_size(i2s_chan_handle_t handle, uint32_t data_bit_width, uint32_t dma_frame_num) @@ -292,8 +387,12 @@ esp_err_t i2s_free_dma_desc(i2s_chan_handle_t handle) free(handle->dma.desc[i]); } } - free(handle->dma.bufs); - free(handle->dma.desc); + if (handle->dma.bufs) { + free(handle->dma.bufs); + } + if (handle->dma.desc) { + free(handle->dma.desc); + } handle->dma.desc = NULL; return ESP_OK; @@ -307,15 +406,12 @@ esp_err_t i2s_alloc_dma_desc(i2s_chan_handle_t handle, uint32_t num, uint32_t bu handle->dma.desc_num = num; handle->dma.buf_size = bufsize; - handle->msg_queue = xQueueCreate(num, sizeof(uint8_t *)); - ESP_GOTO_ON_FALSE(handle->msg_queue, ESP_ERR_NO_MEM, err, TAG, "message queue create failed"); - handle->dma.desc = (lldesc_t **)heap_caps_calloc(num, sizeof(lldesc_t *), I2S_MEM_ALLOC_CAPS); ESP_GOTO_ON_FALSE(handle->dma.desc, ESP_ERR_NO_MEM, err, TAG, "create I2S DMA decriptor array failed"); handle->dma.bufs = (uint8_t **)heap_caps_calloc(num, sizeof(uint8_t *), I2S_MEM_ALLOC_CAPS); for (int i = 0; i < num; i++) { /* Allocate DMA descriptor */ - handle->dma.desc[i] = (lldesc_t *) heap_caps_calloc(1, sizeof(lldesc_t), MALLOC_CAP_DMA); + handle->dma.desc[i] = (lldesc_t *) heap_caps_calloc(1, sizeof(lldesc_t), I2S_DMA_ALLOC_CAPS); ESP_GOTO_ON_FALSE(handle->dma.desc[i], ESP_ERR_NO_MEM, err, TAG, "allocate DMA description failed"); handle->dma.desc[i]->owner = 1; handle->dma.desc[i]->eof = 1; @@ -323,7 +419,7 @@ esp_err_t i2s_alloc_dma_desc(i2s_chan_handle_t handle, uint32_t num, uint32_t bu handle->dma.desc[i]->length = bufsize; handle->dma.desc[i]->size = bufsize; handle->dma.desc[i]->offset = 0; - handle->dma.bufs[i] = (uint8_t *) heap_caps_calloc(1, bufsize * sizeof(uint8_t), MALLOC_CAP_DMA); + handle->dma.bufs[i] = (uint8_t *) heap_caps_calloc(1, bufsize * sizeof(uint8_t), I2S_DMA_ALLOC_CAPS); handle->dma.desc[i]->buf = handle->dma.bufs[i]; ESP_GOTO_ON_FALSE(handle->dma.desc[i]->buf, ESP_ERR_NO_MEM, err, TAG, "allocate DMA buffer failed"); } @@ -333,9 +429,9 @@ esp_err_t i2s_alloc_dma_desc(i2s_chan_handle_t handle, uint32_t num, uint32_t bu handle->dma.desc[i]->empty = (uint32_t)((i < (num - 1)) ? (handle->dma.desc[i + 1]) : handle->dma.desc[0]); } if (handle->dir == I2S_DIR_RX) { - i2s_ll_rx_set_eof_num(handle->parent->hal.dev, bufsize); + i2s_ll_rx_set_eof_num(handle->controller->hal.dev, bufsize); } - ESP_LOGD(TAG, "DMA malloc info: dma_desc_num = %d, dma_desc_buf_size = dma_frame_num * slot_num * data_bit_width = %d, ", bufsize, num); + ESP_LOGD(TAG, "DMA malloc info: dma_desc_num = %d, dma_desc_buf_size = dma_frame_num * slot_num * data_bit_width = %d, ", num, bufsize); return ESP_OK; err: i2s_free_dma_desc(handle); @@ -343,16 +439,16 @@ err: } #if SOC_I2S_SUPPORTS_APLL -uint32_t i2s_set_get_apll_freq(uint32_t mclk_freq) +uint32_t i2s_set_get_apll_freq(uint32_t mclk_freq_hz) { /* Calculate the expected APLL */ - int mclk_div = (int)((SOC_APLL_MIN_HZ / mclk_freq) + 1); + int mclk_div = (int)((SOC_APLL_MIN_HZ / mclk_freq_hz) + 1); /* apll_freq = mclk * div * when div = 1, hardware will still divide 2 * when div = 0, the final mclk will be unpredictable * So the div here should be at least 2 */ mclk_div = mclk_div < 2 ? 2 : mclk_div; - uint32_t expt_freq = mclk_freq * mclk_div; + uint32_t expt_freq = mclk_freq_hz * mclk_div; uint32_t real_freq = 0; esp_err_t ret = periph_rtc_apll_freq_set(expt_freq, &real_freq); if (ret == ESP_ERR_INVALID_ARG) { @@ -360,95 +456,157 @@ uint32_t i2s_set_get_apll_freq(uint32_t mclk_freq) return 0; } if (ret == ESP_ERR_INVALID_STATE) { - ESP_LOGW(TAG, "APLL is occupied already, it is working at %d Hz while the expected frequency is %d Hz", real_freq, expt_freq); - ESP_LOGW(TAG, "Trying to work at %d Hz...", real_freq); + ESP_LOGW(TAG, "APLL is occupied already, it is working at %d Hz while the expected frequency is %d Hz", real_freq, expt_freq); + ESP_LOGW(TAG, "Trying to work at %d Hz...", real_freq); } - ESP_LOGI(TAG, "APLL expected frequency is %d Hz, real frequency is %d Hz", expt_freq, real_freq); + ESP_LOGD(TAG, "APLL expected frequency is %d Hz, real frequency is %d Hz", expt_freq, real_freq); return real_freq; } #endif -static inline void i2s_isr_send_event_queue(QueueHandle_t event_queue, i2s_event_type_t type, portBASE_TYPE *need_yield) -{ - if (event_queue) { - i2s_event_t i2s_event; - portBASE_TYPE _need_yield; - i2s_event.type = type; - xQueueSendFromISR(event_queue, (void * )&i2s_event, &_need_yield); - *need_yield |= _need_yield; - } -} - #if SOC_GDMA_SUPPORTED static bool IRAM_ATTR i2s_dma_rx_callback(gdma_channel_handle_t dma_chan, gdma_event_data_t *event_data, void *user_data) { i2s_chan_handle_t handle = (i2s_chan_handle_t)user_data; - portBASE_TYPE need_yield = 0; - BaseType_t ret = 0; + portBASE_TYPE need_yield1 = 0; + portBASE_TYPE need_yield2 = 0; + portBASE_TYPE user_need_yield = 0; lldesc_t *finish_desc; + uint32_t dummy; - if (handle) { - finish_desc = (lldesc_t *)event_data->rx_eof_desc_addr; - ret = xQueueSendFromISR(handle->msg_queue, &(finish_desc->buf), &need_yield); - i2s_event_type_t type = (ret == pdTRUE) ? I2S_EVENT_RX_DONE : I2S_EVENT_RX_Q_OVF; - i2s_isr_send_event_queue(handle->event_queue, type, &need_yield); + finish_desc = (lldesc_t *)event_data->rx_eof_desc_addr; + i2s_event_data_t evt = { + .data = &(finish_desc->buf), + .size = handle->dma.buf_size, + }; + if (handle->callbacks.on_recv) { + user_need_yield |= handle->callbacks.on_recv(handle, &evt, handle->user_data); } - return need_yield; + if (xQueueIsQueueFullFromISR(handle->msg_queue)) { + xQueueReceiveFromISR(handle->msg_queue, &dummy, &need_yield1); + if (handle->callbacks.on_recv_q_ovf) { + evt.data = NULL; + user_need_yield |= handle->callbacks.on_recv_q_ovf(handle, &evt, handle->user_data); + } + } + xQueueSendFromISR(handle->msg_queue, &(finish_desc->buf), &need_yield2); + + return need_yield1 | need_yield2 | user_need_yield; } static bool IRAM_ATTR i2s_dma_tx_callback(gdma_channel_handle_t dma_chan, gdma_event_data_t *event_data, void *user_data) { i2s_chan_handle_t handle = (i2s_chan_handle_t)user_data; - portBASE_TYPE need_yield = 0; - BaseType_t ret; + portBASE_TYPE need_yield1 = 0; + portBASE_TYPE need_yield2 = 0; + portBASE_TYPE user_need_yield = 0; lldesc_t *finish_desc; - if (handle) { - finish_desc = (lldesc_t *)(event_data->tx_eof_desc_addr); - if (handle->dma.auto_clear) { - uint8_t *sent_buf = (uint8_t *)finish_desc->buf; - memset(sent_buf, 0, handle->dma.buf_size); - } - ret = xQueueSendFromISR(handle->msg_queue, &(finish_desc->buf), &need_yield); - i2s_event_type_t type = (ret == pdTRUE) ? I2S_EVENT_TX_DONE : I2S_EVENT_TX_Q_OVF; - i2s_isr_send_event_queue(handle->event_queue, type, &need_yield); + uint32_t dummy; + + finish_desc = (lldesc_t *)(event_data->tx_eof_desc_addr); + i2s_event_data_t evt = { + .data = &(finish_desc->buf), + .size = handle->dma.buf_size, + }; + if (handle->callbacks.on_sent) { + user_need_yield |= handle->callbacks.on_sent(handle, &evt, handle->user_data); } - return need_yield; + if (xQueueIsQueueFullFromISR(handle->msg_queue)) { + xQueueReceiveFromISR(handle->msg_queue, &dummy, &need_yield1); + if (handle->callbacks.on_send_q_ovf) { + evt.data = NULL; + user_need_yield |= handle->callbacks.on_send_q_ovf(handle, &evt, handle->user_data); + } + } + xQueueSendFromISR(handle->msg_queue, &(finish_desc->buf), &need_yield2); + + if (handle->dma.auto_clear) { + uint8_t *sent_buf = (uint8_t *)finish_desc->buf; + memset(sent_buf, 0, handle->dma.buf_size); + } + + return need_yield1 | need_yield2 | user_need_yield; } #else -static void IRAM_ATTR i2s_default_intr_handler(void *arg) + +static void IRAM_ATTR i2s_dma_rx_callback(void *arg) { - portBASE_TYPE tx_need_yield = 0; - portBASE_TYPE rx_need_yield = 0; + portBASE_TYPE need_yield1 = 0; + portBASE_TYPE need_yield2 = 0; + portBASE_TYPE user_need_yield = 0; lldesc_t *finish_desc = NULL; - BaseType_t ret; - i2s_controller_t *obj = (i2s_controller_t *)arg; - uint32_t status = i2s_hal_get_intr_status(&(obj->hal)); - i2s_hal_clear_intr_status(&(obj->hal), status); - if (!obj || !status) { + i2s_event_data_t evt; + i2s_chan_handle_t handle = (i2s_chan_handle_t)arg; + uint32_t dummy; + + uint32_t status = i2s_hal_get_intr_status(&(handle->controller->hal)); + i2s_hal_clear_intr_status(&(handle->controller->hal), status); + if (!status) { return; } - if (obj->tx_chan && (status & I2S_LL_EVENT_TX_EOF)) { - i2s_hal_get_out_eof_des_addr(&(obj->hal), (uint32_t *)&finish_desc); - // Auto clear the dma buffer after data sent - if (obj->tx_chan->dma.auto_clear) { - uint8_t *buff = (uint8_t *)finish_desc->buf; - memset(buff, 0, obj->tx_chan->dma.buf_size); + if (handle && (status & I2S_LL_EVENT_RX_EOF)) { + i2s_hal_get_in_eof_des_addr(&(handle->controller->hal), (uint32_t *)&finish_desc); + evt.data = &(finish_desc->buf); + evt.size = handle->dma.buf_size; + if (handle->callbacks.on_recv) { + user_need_yield |= handle->callbacks.on_recv(handle, &evt, handle->user_data); } - ret = xQueueSendFromISR(obj->tx_chan->msg_queue, &(finish_desc->buf), &tx_need_yield); - i2s_event_type_t type = (ret == pdTRUE) ? I2S_EVENT_TX_DONE : I2S_EVENT_TX_Q_OVF; - i2s_isr_send_event_queue(obj->tx_chan->event_queue, type, &tx_need_yield); + if (xQueueIsQueueFullFromISR(handle->msg_queue)) { + xQueueReceiveFromISR(handle->msg_queue, &dummy, &need_yield1); + if (handle->callbacks.on_recv_q_ovf) { + evt.data = NULL; + user_need_yield |= handle->callbacks.on_recv_q_ovf(handle, &evt, handle->user_data); + } + } + xQueueSendFromISR(handle->msg_queue, &(finish_desc->buf), &need_yield2); } - if (obj->rx_chan && (status & I2S_LL_EVENT_RX_EOF)) { - i2s_hal_get_in_eof_des_addr(&(obj->hal), (uint32_t *)&finish_desc); - ret = xQueueSendFromISR(obj->rx_chan->msg_queue, &(finish_desc->buf), &rx_need_yield); - i2s_event_type_t type = (ret == pdTRUE) ? I2S_EVENT_RX_DONE : I2S_EVENT_RX_Q_OVF; - i2s_isr_send_event_queue(obj->rx_chan->event_queue, type, &rx_need_yield); + if (need_yield1 || need_yield2 || user_need_yield) { + portYIELD_FROM_ISR(); + } +} + +static void IRAM_ATTR i2s_dma_tx_callback(void *arg) +{ + portBASE_TYPE need_yield1 = 0; + portBASE_TYPE need_yield2 = 0; + portBASE_TYPE user_need_yield = 0; + lldesc_t *finish_desc = NULL; + i2s_event_data_t evt; + i2s_chan_handle_t handle = (i2s_chan_handle_t)arg; + uint32_t dummy; + + uint32_t status = i2s_hal_get_intr_status(&(handle->controller->hal)); + i2s_hal_clear_intr_status(&(handle->controller->hal), status); + if (!status) { + return; } - if (tx_need_yield || rx_need_yield) { + if (handle && (status & I2S_LL_EVENT_TX_EOF)) { + i2s_hal_get_out_eof_des_addr(&(handle->controller->hal), (uint32_t *)&finish_desc); + evt.data = &(finish_desc->buf); + evt.size = handle->dma.buf_size; + if (handle->callbacks.on_sent) { + user_need_yield |= handle->callbacks.on_sent(handle, &evt, handle->user_data); + } + if (xQueueIsQueueFullFromISR(handle->msg_queue)) { + xQueueReceiveFromISR(handle->msg_queue, &dummy, &need_yield1); + if (handle->callbacks.on_send_q_ovf) { + evt.data = NULL; + user_need_yield |= handle->callbacks.on_send_q_ovf(handle, &evt, handle->user_data); + } + } + xQueueSendFromISR(handle->msg_queue, &(finish_desc->buf), &need_yield2); + // Auto clear the dma buffer after data sent + if (handle->dma.auto_clear) { + uint8_t *buff = (uint8_t *)finish_desc->buf; + memset(buff, 0, handle->dma.buf_size); + } + } + + if (need_yield1 || need_yield2 || user_need_yield) { portYIELD_FROM_ISR(); } } @@ -468,8 +626,8 @@ static void IRAM_ATTR i2s_default_intr_handler(void *arg) */ esp_err_t i2s_init_dma_intr(i2s_chan_handle_t handle, int intr_flag) { - i2s_port_t port_id = handle->parent->id; - ESP_RETURN_ON_FALSE((port_id >= 0) && (port_id < I2S_NUM_MAX), ESP_ERR_INVALID_ARG, TAG, "invalid handle"); + i2s_port_t port_id = handle->controller->id; + ESP_RETURN_ON_FALSE((port_id >= 0) && (port_id < SOC_I2S_NUM), ESP_ERR_INVALID_ARG, TAG, "invalid handle"); #if SOC_GDMA_SUPPORTED /* Set GDMA trigger module */ gdma_trigger_t trig = {.periph = GDMA_TRIG_PERIPH_I2S}; @@ -487,7 +645,7 @@ esp_err_t i2s_init_dma_intr(i2s_chan_handle_t handle, int intr_flag) /* Set GDMA config */ gdma_channel_alloc_config_t dma_cfg = {}; - if (handle->dir & I2S_DIR_TX) { + if (handle->dir == I2S_DIR_TX) { dma_cfg.direction = GDMA_CHANNEL_DIRECTION_TX; /* Register a new GDMA tx channel */ ESP_RETURN_ON_ERROR(gdma_new_channel(&dma_cfg, &handle->dma.dma_chan), TAG, "Register tx dma channel error"); @@ -495,8 +653,7 @@ esp_err_t i2s_init_dma_intr(i2s_chan_handle_t handle, int intr_flag) gdma_tx_event_callbacks_t cb = {.on_trans_eof = i2s_dma_tx_callback}; /* Set callback function for GDMA, the interrupt is triggered by GDMA, then the GDMA ISR will call the callback function */ gdma_register_tx_event_callbacks(handle->dma.dma_chan, &cb, handle); - } - if (handle->dir & I2S_DIR_RX) { + } else { dma_cfg.direction = GDMA_CHANNEL_DIRECTION_RX; /* Register a new GDMA rx channel */ ESP_RETURN_ON_ERROR(gdma_new_channel(&dma_cfg, &handle->dma.dma_chan), TAG, "Register rx dma channel error"); @@ -506,37 +663,52 @@ esp_err_t i2s_init_dma_intr(i2s_chan_handle_t handle, int intr_flag) gdma_register_rx_event_callbacks(handle->dma.dma_chan, &cb, handle); } #else - /* Initial I2S module interrupt */ - if (!handle->parent->i2s_isr_handle) { - ESP_RETURN_ON_ERROR(esp_intr_alloc(i2s_periph_signal[port_id].irq, intr_flag, i2s_default_intr_handler, handle->parent, &(handle->parent->i2s_isr_handle)), TAG, "Register I2S Interrupt error"); - esp_intr_enable(handle->parent->i2s_isr_handle); + intr_flag |= ESP_INTR_FLAG_SHARED; + /* Initialize I2S module interrupt */ + if (handle->dir == I2S_DIR_TX) { + esp_intr_alloc_intrstatus(i2s_periph_signal[port_id].irq, intr_flag, + (uint32_t)i2s_ll_get_interrupt_status_reg(handle->controller->hal.dev), I2S_LL_TX_EVENT_MASK, + i2s_dma_tx_callback, handle, &handle->dma.dma_chan); + } else { + esp_intr_alloc_intrstatus(i2s_periph_signal[port_id].irq, intr_flag, + (uint32_t)i2s_ll_get_interrupt_status_reg(handle->controller->hal.dev), I2S_LL_RX_EVENT_MASK, + i2s_dma_rx_callback, handle, &handle->dma.dma_chan); } /* Start DMA */ - i2s_ll_enable_dma(handle->parent->hal.dev, true); + i2s_ll_enable_dma(handle->controller->hal.dev, true); #endif // SOC_GDMA_SUPPORTED return ESP_OK; } -void i2s_gpio_check_and_set(gpio_num_t gpio, uint32_t signal_idx, bool is_input) +void i2s_gpio_check_and_set(gpio_num_t gpio, uint32_t signal_idx, bool is_input, bool is_invert) { - /* Ignore the pin if pin = -1 */ + /* Ignore the pin if pin = I2S_GPIO_UNUSED */ if (gpio != I2S_GPIO_UNUSED) { + gpio_hal_iomux_func_sel(GPIO_PIN_MUX_REG[gpio], PIN_FUNC_GPIO); if (is_input) { - gpio_hal_iomux_func_sel(GPIO_PIN_MUX_REG[gpio], PIN_FUNC_GPIO); /* Set direction, for some GPIOs, the input function are not enabled as default */ gpio_set_direction(gpio, GPIO_MODE_INPUT); - esp_rom_gpio_connect_in_signal(gpio, signal_idx, 0); + esp_rom_gpio_connect_in_signal(gpio, signal_idx, is_invert); } else { - gpio_hal_iomux_func_sel(GPIO_PIN_MUX_REG[gpio], PIN_FUNC_GPIO); gpio_set_direction(gpio, GPIO_MODE_OUTPUT); - esp_rom_gpio_connect_out_signal(gpio, signal_idx, 0, 0); + esp_rom_gpio_connect_out_signal(gpio, signal_idx, is_invert, 0); } } } -esp_err_t i2s_check_set_mclk(i2s_port_t id, gpio_num_t gpio_num) +void i2s_gpio_loopback_set(gpio_num_t gpio, uint32_t out_sig_idx, uint32_t in_sig_idx) { - if (gpio_num == -1) { + if (gpio != I2S_GPIO_UNUSED) { + gpio_hal_iomux_func_sel(GPIO_PIN_MUX_REG[gpio], PIN_FUNC_GPIO); + gpio_set_direction(gpio, GPIO_MODE_INPUT_OUTPUT); + esp_rom_gpio_connect_out_signal(gpio, out_sig_idx, 0, 0); + esp_rom_gpio_connect_in_signal(gpio, in_sig_idx, 0); + } +} + +esp_err_t i2s_check_set_mclk(i2s_port_t id, gpio_num_t gpio_num, bool is_apll, bool is_invert) +{ + if (gpio_num == I2S_GPIO_UNUSED) { return ESP_OK; } #if CONFIG_IDF_TARGET_ESP32 @@ -545,20 +717,20 @@ esp_err_t i2s_check_set_mclk(i2s_port_t id, gpio_num_t gpio_num) "ESP32 only support to set GPIO0/GPIO1/GPIO3 as mclk signal, error GPIO number:%d", gpio_num); bool is_i2s0 = id == I2S_NUM_0; if (gpio_num == GPIO_NUM_0) { - PIN_FUNC_SELECT(PERIPHS_IO_MUX_GPIO0_U, FUNC_GPIO0_CLK_OUT1); - WRITE_PERI_REG(PIN_CTRL, is_i2s0 ? 0xFFF0 : 0xFFFF); + gpio_hal_iomux_func_sel(PERIPHS_IO_MUX_GPIO0_U, FUNC_GPIO0_CLK_OUT1); + gpio_ll_iomux_pin_ctrl(is_apll ? 0xFFF6 : (is_i2s0 ? 0xFFF0 : 0xFFFF)); } else if (gpio_num == GPIO_NUM_1) { - PIN_FUNC_SELECT(PERIPHS_IO_MUX_U0TXD_U, FUNC_U0TXD_CLK_OUT3); - WRITE_PERI_REG(PIN_CTRL, is_i2s0 ? 0xF0F0 : 0xF0FF); + gpio_hal_iomux_func_sel(PERIPHS_IO_MUX_U0TXD_U, FUNC_U0TXD_CLK_OUT3); + gpio_ll_iomux_pin_ctrl(is_apll ? 0xF6F6 : (is_i2s0 ? 0xF0F0 : 0xF0FF)); } else { - PIN_FUNC_SELECT(PERIPHS_IO_MUX_U0RXD_U, FUNC_U0RXD_CLK_OUT2); - WRITE_PERI_REG(PIN_CTRL, is_i2s0 ? 0xFF00 : 0xFF0F); + gpio_hal_iomux_func_sel(PERIPHS_IO_MUX_U0RXD_U, FUNC_U0RXD_CLK_OUT2); + gpio_ll_iomux_pin_ctrl(is_apll ? 0xFF66 : (is_i2s0 ? 0xFF00 : 0xFF0F)); } #else ESP_RETURN_ON_FALSE(GPIO_IS_VALID_GPIO(gpio_num), ESP_ERR_INVALID_ARG, TAG, "mck_io_num invalid"); - i2s_gpio_check_and_set(gpio_num, i2s_periph_signal[id].mck_out_sig, false); + i2s_gpio_check_and_set(gpio_num, i2s_periph_signal[id].mck_out_sig, false, is_invert); #endif - ESP_LOGI(TAG, "MCLK is pinned to GPIO%d on I2S%d", id, gpio_num); + ESP_LOGD(TAG, "MCLK is pinned to GPIO%d on I2S%d", id, gpio_num); return ESP_OK; } @@ -569,6 +741,9 @@ esp_err_t i2s_check_set_mclk(i2s_port_t id, gpio_num_t gpio_num) ----------------------------------------------------------------------------*/ esp_err_t i2s_new_channel(const i2s_chan_config_t *chan_cfg, i2s_chan_handle_t *tx_handle, i2s_chan_handle_t *rx_handle) { +#if CONFIG_I2S_ENABLE_DEBUG_LOG + esp_log_level_set(TAG, ESP_LOG_DEBUG); +#endif /* Parameter validity check */ I2S_NULL_POINTER_CHECK(TAG, chan_cfg); I2S_NULL_POINTER_CHECK(TAG, tx_handle || rx_handle); @@ -586,7 +761,7 @@ esp_err_t i2s_new_channel(const i2s_chan_config_t *chan_cfg, i2s_chan_handle_t * /* Channel will be registered to one i2s port automatically if id is I2S_NUM_AUTO * Otherwise, the channel will be registered to the specific port. */ if (id == I2S_NUM_AUTO) { - for (int i = 0; i < I2S_NUM_MAX && !channel_found; i++) { + for (int i = 0; i < SOC_I2S_NUM && !channel_found; i++) { i2s_obj = i2s_acquire_controller_obj(i); if (!i2s_obj) { continue; @@ -602,26 +777,28 @@ esp_err_t i2s_new_channel(const i2s_chan_config_t *chan_cfg, i2s_chan_handle_t * ESP_GOTO_ON_FALSE(channel_found, ESP_ERR_NOT_FOUND, err, TAG, "no available channel found"); /* Register and specify the tx handle */ if (tx_handle) { - ESP_GOTO_ON_ERROR(i2s_register_channel(i2s_obj, I2S_DIR_TX), err, TAG, "register I2S tx channel failed"); + ESP_GOTO_ON_ERROR(i2s_register_channel(i2s_obj, I2S_DIR_TX, chan_cfg->dma_desc_num), + err, TAG, "register I2S tx channel failed"); i2s_obj->tx_chan->role = chan_cfg->role; i2s_obj->tx_chan->dma.auto_clear = chan_cfg->auto_clear; i2s_obj->tx_chan->dma.desc_num = chan_cfg->dma_desc_num; i2s_obj->tx_chan->dma.frame_num = chan_cfg->dma_frame_num; - i2s_obj->tx_chan->start = i2s_tx_start; - i2s_obj->tx_chan->stop = i2s_tx_stop; + i2s_obj->tx_chan->start = i2s_tx_channel_start; + i2s_obj->tx_chan->stop = i2s_tx_channel_stop; *tx_handle = i2s_obj->tx_chan; - ESP_LOGI(TAG, "tx channel is registered on I2S%d successfully", i2s_obj->id); + ESP_LOGD(TAG, "tx channel is registered on I2S%d successfully", i2s_obj->id); } /* Register and specify the rx handle */ if (rx_handle) { - ESP_GOTO_ON_ERROR(i2s_register_channel(i2s_obj, I2S_DIR_RX), err, TAG, "register I2S rx channel failed"); + ESP_GOTO_ON_ERROR(i2s_register_channel(i2s_obj, I2S_DIR_RX, chan_cfg->dma_desc_num), + err, TAG, "register I2S rx channel failed"); i2s_obj->rx_chan->role = chan_cfg->role; i2s_obj->rx_chan->dma.desc_num = chan_cfg->dma_desc_num; i2s_obj->rx_chan->dma.frame_num = chan_cfg->dma_frame_num; - i2s_obj->rx_chan->start = i2s_rx_start; - i2s_obj->rx_chan->stop = i2s_rx_stop; + i2s_obj->rx_chan->start = i2s_rx_channel_start; + i2s_obj->rx_chan->stop = i2s_rx_channel_stop; *rx_handle = i2s_obj->rx_chan; - ESP_LOGI(TAG, "rx channel is registered on I2S%d successfully", i2s_obj->id); + ESP_LOGD(TAG, "rx channel is registered on I2S%d successfully", i2s_obj->id); } if ((tx_handle != NULL) && (rx_handle != NULL)) { @@ -629,13 +806,13 @@ esp_err_t i2s_new_channel(const i2s_chan_config_t *chan_cfg, i2s_chan_handle_t * } return ESP_OK; -/* i2s_obj allocated but register channel failed */ + /* i2s_obj allocated but register channel failed */ err: /* if the controller object has no channel, find the corresponding global object and destroy it */ if (i2s_obj != NULL && i2s_obj->rx_chan == NULL && i2s_obj->tx_chan == NULL) { - for (int i = 0; i < I2S_NUM_MAX; i++) { - if (i2s_obj == s_i2s.controller[i]) { - i2s_destroy_controller_obj(&s_i2s.controller[i]); + for (int i = 0; i < SOC_I2S_NUM; i++) { + if (i2s_obj == g_i2s.controller[i]) { + i2s_destroy_controller_obj(&g_i2s.controller[i]); break; } } @@ -643,31 +820,20 @@ err: return ret; } -// TODO: finish delete channel esp_err_t i2s_del_channel(i2s_chan_handle_t handle) { I2S_NULL_POINTER_CHECK(TAG, handle); - /* Static mutex to avoid double delete */ - static SemaphoreHandle_t del_mut = NULL; - if (del_mut == NULL) { - del_mut = xSemaphoreCreateMutex(); - } - i2s_controller_t *i2s_obj = handle->parent; - int id = i2s_obj->id; - i2s_dir_t dir = handle->dir; + ESP_RETURN_ON_FALSE(handle->state < I2S_CHAN_STATE_RUNNING, ESP_ERR_INVALID_STATE, TAG, "the channel can't be deleted unless it is disabled"); + i2s_controller_t *i2s_obj = handle->controller; + int __attribute__((unused)) id = i2s_obj->id; + i2s_dir_t __attribute__((unused)) dir = handle->dir; bool is_bound = true; - xSemaphoreTake(del_mut, portMAX_DELAY); - /* Stop the channel first */ - if (handle->state > I2S_CHAN_STATE_READY) { - i2s_abort_reading_writing(handle); - i2s_stop_channel(handle); - } #if SOC_I2S_HW_VERSION_2 if (dir == I2S_DIR_TX) { - i2s_ll_tx_disable_clock(handle->parent->hal.dev); + i2s_ll_tx_disable_clock(handle->controller->hal.dev); } else { - i2s_ll_rx_disable_clock(handle->parent->hal.dev); + i2s_ll_rx_disable_clock(handle->controller->hal.dev); } #endif #if SOC_I2S_SUPPORTS_APLL @@ -676,12 +842,17 @@ esp_err_t i2s_del_channel(i2s_chan_handle_t handle) * because the clock of some registers are bound to APLL, * otherwise, once APLL is disabled, the registers can't be updated anymore */ if (handle->dir == I2S_DIR_TX) { - i2s_ll_tx_clk_set_src(handle->parent->hal.dev, I2S_CLK_PLL_160M); + i2s_ll_tx_clk_set_src(handle->controller->hal.dev, I2S_CLK_SRC_DEFAULT); } else { - i2s_ll_rx_clk_set_src(handle->parent->hal.dev, I2S_CLK_PLL_160M); + i2s_ll_rx_clk_set_src(handle->controller->hal.dev, I2S_CLK_SRC_DEFAULT); } periph_rtc_apll_release(); } +#endif +#if CONFIG_PM_ENABLE + if (handle->pm_lock) { + esp_pm_lock_delete(handle->pm_lock); + } #endif if (handle->mode_info) { free(handle->mode_info); @@ -689,25 +860,41 @@ esp_err_t i2s_del_channel(i2s_chan_handle_t handle) if (handle->dma.desc) { i2s_free_dma_desc(handle); } +#if CONFIG_I2S_ISR_IRAM_SAFE + if (handle->msg_que_storage) { + free(handle->msg_que_storage); + } + if (handle->msg_que_struct) { + free(handle->msg_que_struct); + } + if (handle->mutex) { + free(handle->mutex_struct); + } + if (handle->binary_struct) { + free(handle->binary_struct); + } +#endif if (handle->msg_queue) { vQueueDelete(handle->msg_queue); } - if (handle->event_queue) { - vQueueDelete(handle->event_queue); - } if (handle->mutex) { vSemaphoreDelete(handle->mutex); } + if (handle->binary) { + vSemaphoreDelete(handle->binary); + } #if SOC_I2S_HW_VERSION_1 i2s_obj->chan_occupancy = 0; #else i2s_obj->chan_occupancy &= ~(uint32_t)dir; #endif -#if SOC_GDMA_SUPPORTED if (handle->dma.dma_chan) { +#if SOC_GDMA_SUPPORTED gdma_del_channel(handle->dma.dma_chan); - } +#else + esp_intr_free(handle->dma.dma_chan); #endif + } if (handle == i2s_obj->tx_chan) { free(i2s_obj->tx_chan); i2s_obj->tx_chan = NULL; @@ -726,48 +913,73 @@ esp_err_t i2s_del_channel(i2s_chan_handle_t handle) we need to destroy this controller object if there is no channel any more */ if (is_bound) { if (!(i2s_obj->tx_chan) && !(i2s_obj->rx_chan)) { - i2s_destroy_controller_obj(&s_i2s.controller[i2s_obj->id]); + i2s_destroy_controller_obj(&g_i2s.controller[i2s_obj->id]); } - ESP_LOGI(TAG, "%s channel on I2S%d deleted", dir == I2S_DIR_TX ? "tx" : "rx", id); + ESP_LOGD(TAG, "%s channel on I2S%d deleted", dir == I2S_DIR_TX ? "tx" : "rx", id); } - xSemaphoreGive(del_mut); + return ESP_OK; } -QueueHandle_t i2s_get_event_queue(i2s_chan_handle_t handle, uint32_t que_len) +esp_err_t i2s_channel_get_info(i2s_chan_handle_t handle, i2s_chan_info_t *chan_info) { - QueueHandle_t que; - if (!handle) { - return NULL; + I2S_NULL_POINTER_CHECK(TAG, handle); + I2S_NULL_POINTER_CHECK(TAG, chan_info); + + /* Find whether the handle is a registered i2s handle or still available */ + for (int i = 0; i < SOC_I2S_NUM; i++) { + if (g_i2s.controller[i] != NULL) { + if (g_i2s.controller[i]->tx_chan == handle || + g_i2s.controller[i]->rx_chan == handle) { + goto found; + } + } } + return ESP_ERR_NOT_FOUND; +found: + /* Assign the handle information */ xSemaphoreTake(handle->mutex, portMAX_DELAY); - if (handle->event_queue) { - que = handle->event_queue; + chan_info->id = handle->controller->id; + chan_info->dir = handle->dir; + chan_info->role = handle->role; + chan_info->mode = handle->mode; + if (handle->controller->full_duplex) { + if (handle->dir == I2S_DIR_TX) { + chan_info->pair_chan = handle->controller->rx_chan; + } else { + chan_info->pair_chan = handle->controller->tx_chan; + } } else { - handle->event_queue = xQueueCreate(que_len, sizeof(int *)); - que = handle->event_queue; + chan_info->pair_chan = NULL; } xSemaphoreGive(handle->mutex); - return que; + + return ESP_OK; } -esp_err_t i2s_start_channel(i2s_chan_handle_t handle) +esp_err_t i2s_channel_enable(i2s_chan_handle_t handle) { I2S_NULL_POINTER_CHECK(TAG, handle); esp_err_t ret = ESP_OK; xSemaphoreTake(handle->mutex, portMAX_DELAY); - ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "the channel has already started or not initialized"); - + ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "the channel has already enabled or not initialized"); +#if CONFIG_PM_ENABLE + esp_pm_lock_acquire(handle->pm_lock); +#endif handle->dma.curr_ptr = NULL; handle->dma.rw_pos = 0; handle->start(handle); - handle->state = I2S_CHAN_STATE_IDLE; + handle->state = I2S_CHAN_STATE_RUNNING; + /* Reset queue */ + xQueueReset(handle->msg_queue); xSemaphoreGive(handle->mutex); + /* Give the binary semaphore to enable reading / writing task */ + xSemaphoreGive(handle->binary); - ESP_LOGI(TAG, "i2s %s channel started", handle->dir == I2S_DIR_TX ? "tx" : "rx"); + ESP_LOGD(TAG, "i2s %s channel enabled", handle->dir == I2S_DIR_TX ? "tx" : "rx"); return ret; err: @@ -775,17 +987,23 @@ err: return ret; } -esp_err_t i2s_stop_channel(i2s_chan_handle_t handle) +esp_err_t i2s_channel_disable(i2s_chan_handle_t handle) { I2S_NULL_POINTER_CHECK(TAG, handle); esp_err_t ret = ESP_OK; xSemaphoreTake(handle->mutex, portMAX_DELAY); - ESP_GOTO_ON_FALSE(handle->state > I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "the channel has not started yet"); - handle->stop(handle); + ESP_GOTO_ON_FALSE(handle->state > I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "the channel has not been enabled yet"); + /* Update the state to force quit the current reading/wrinting operation */ handle->state = I2S_CHAN_STATE_READY; + /* Waiting for reading/wrinting operation quit */ + xSemaphoreTake(handle->binary, portMAX_DELAY); + handle->stop(handle); +#if CONFIG_PM_ENABLE + esp_pm_lock_release(handle->pm_lock); +#endif xSemaphoreGive(handle->mutex); - ESP_LOGI(TAG, "i2s %s channel stopped", handle->dir == I2S_DIR_TX ? "tx" : "rx"); + ESP_LOGD(TAG, "i2s %s channel disabled", handle->dir == I2S_DIR_TX ? "tx" : "rx"); return ret; err: @@ -793,33 +1011,28 @@ err: return ret; } -esp_err_t i2s_write_channel(i2s_chan_handle_t handle, const void *src, size_t size, size_t *bytes_written, TickType_t ticks_to_wait) +esp_err_t i2s_channel_write(i2s_chan_handle_t handle, const void *src, size_t size, size_t *bytes_written, uint32_t timeout_ms) { I2S_NULL_POINTER_CHECK(TAG, handle); ESP_RETURN_ON_FALSE(handle->dir == I2S_DIR_TX, ESP_ERR_INVALID_ARG, TAG, "this channel is not tx channel"); esp_err_t ret = ESP_OK; - char *data_ptr, *src_byte; + char *data_ptr; + char *src_byte; size_t bytes_can_write; *bytes_written = 0; - /* Take the semaphore brefore changing state to ensure only one writing thread running at the same time */ - xSemaphoreTake(handle->mutex, ticks_to_wait); -#ifdef CONFIG_PM_ENABLE - esp_pm_lock_acquire(handle->pm_lock); -#endif - ESP_GOTO_ON_FALSE(handle->state > I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "this channel has not started yet"); - handle->state = I2S_CHAN_STATE_WRITING; + /* The binary semaphore can only be taken when the channel has been enabled and no other writing operation in progress */ + ESP_RETURN_ON_FALSE(xSemaphoreTake(handle->binary, pdMS_TO_TICKS(timeout_ms)) == pdTRUE, ESP_ERR_INVALID_STATE, TAG, "The channel is not enabled"); src_byte = (char *)src; - while (size > 0 && handle->state == I2S_CHAN_STATE_WRITING) { + while (size > 0 && handle->state == I2S_CHAN_STATE_RUNNING) { if (handle->dma.rw_pos == handle->dma.buf_size || handle->dma.curr_ptr == NULL) { - if (xQueueReceive(handle->msg_queue, &(handle->dma.curr_ptr), ticks_to_wait) == pdFALSE) { + if (xQueueReceive(handle->msg_queue, &(handle->dma.curr_ptr), pdMS_TO_TICKS(timeout_ms)) == pdFALSE) { ret = ESP_ERR_TIMEOUT; break; } handle->dma.rw_pos = 0; } - ESP_LOGD(TAG, "size: %d, rw_pos: %d, buf_size: %d, curr_ptr: %d", size, handle->dma.rw_pos, handle->dma.buf_size, (int)handle->dma.curr_ptr); data_ptr = (char *)handle->dma.curr_ptr; data_ptr += handle->dma.rw_pos; bytes_can_write = handle->dma.buf_size - handle->dma.rw_pos; @@ -832,39 +1045,27 @@ esp_err_t i2s_write_channel(i2s_chan_handle_t handle, const void *src, size_t si handle->dma.rw_pos += bytes_can_write; (*bytes_written) += bytes_can_write; } - /* Need to judge the state before switch back to idle, in case the state has been changed by 'stop' or 'abort' */ - if (handle->state == I2S_CHAN_STATE_WRITING) { - handle->state = I2S_CHAN_STATE_IDLE; - } -err: -#ifdef CONFIG_PM_ENABLE - esp_pm_lock_release(handle->pm_lock); -#endif - xSemaphoreGive(handle->mutex); + xSemaphoreGive(handle->binary); return ret; } -esp_err_t i2s_read_channel(i2s_chan_handle_t handle, void *dest, size_t size, size_t *bytes_read, TickType_t ticks_to_wait) +esp_err_t i2s_channel_read(i2s_chan_handle_t handle, void *dest, size_t size, size_t *bytes_read, uint32_t timeout_ms) { I2S_NULL_POINTER_CHECK(TAG, handle); ESP_RETURN_ON_FALSE(handle->dir == I2S_DIR_RX, ESP_ERR_INVALID_ARG, TAG, "this channel is not rx channel"); esp_err_t ret = ESP_OK; - uint8_t *data_ptr, *dest_byte; + uint8_t *data_ptr; + uint8_t *dest_byte; int bytes_can_read; *bytes_read = 0; dest_byte = (uint8_t *)dest; - /* Take the semaphore brefore changing state to ensure only one reading thread running at the same time */ - xSemaphoreTake(handle->mutex, ticks_to_wait); -#ifdef CONFIG_PM_ENABLE - esp_pm_lock_acquire(handle->pm_lock); -#endif - ESP_GOTO_ON_FALSE(handle->state > I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "this channel has not started yet"); - handle->state = I2S_CHAN_STATE_READING; - while (size > 0 && handle->state == I2S_CHAN_STATE_READING) { + /* The binary semaphore can only be taken when the channel has been enabled and no other reading operation in progress */ + ESP_RETURN_ON_FALSE(xSemaphoreTake(handle->binary, pdMS_TO_TICKS(timeout_ms)) == pdTRUE, ESP_ERR_INVALID_STATE, TAG, "The channel is not enabled"); + while (size > 0 && handle->state == I2S_CHAN_STATE_RUNNING) { if (handle->dma.rw_pos == handle->dma.buf_size || handle->dma.curr_ptr == NULL) { - if (xQueueReceive(handle->msg_queue, &(handle->dma.curr_ptr), ticks_to_wait) == pdFALSE) { + if (xQueueReceive(handle->msg_queue, &(handle->dma.curr_ptr), pdMS_TO_TICKS(timeout_ms)) == pdFALSE) { ret = ESP_ERR_TIMEOUT; break; } @@ -882,41 +1083,11 @@ esp_err_t i2s_read_channel(i2s_chan_handle_t handle, void *dest, size_t size, si handle->dma.rw_pos += bytes_can_read; (*bytes_read) += bytes_can_read; } - /* Need to judge the state before switch back to idle, in case the state has been changed by 'stop' or 'abort' */ - if (handle->state == I2S_CHAN_STATE_READING) { - handle->state = I2S_CHAN_STATE_IDLE; - } -err: -#ifdef CONFIG_PM_ENABLE - esp_pm_lock_release(handle->pm_lock); -#endif - xSemaphoreGive(handle->mutex); + xSemaphoreGive(handle->binary); return ret; } -esp_err_t i2s_clear_dma_buffer(i2s_chan_handle_t handle) -{ - I2S_NULL_POINTER_CHECK(TAG, handle); - ESP_RETURN_ON_FALSE(handle->state >= I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, TAG, "this channel has not initialized yet"); - /* Clear all the DMA buffer */ - for (int desc_num = handle->dma.desc_num; desc_num > 0; desc_num--) { - memset(handle->dma.bufs[desc_num-1], 0, handle->dma.buf_size); - } - return ESP_OK; -} - -esp_err_t i2s_abort_reading_writing(i2s_chan_handle_t handle) -{ - I2S_NULL_POINTER_CHECK(TAG, handle); - ESP_RETURN_ON_FALSE(handle->state > I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, TAG, "this channel has not started yet"); - /* No lock here. Force change state to idle when writing or reading */ - handle->state = I2S_CHAN_STATE_IDLE; - - return ESP_OK; -} - - /*--------------------------------------------------------------------------- I2S Platform APIs ---------------------------------------------------------------------------- @@ -927,18 +1098,18 @@ esp_err_t i2s_platform_acquire_occupation(int id, const char *comp_name) { esp_err_t ret = ESP_OK; const char *occupied_comp = NULL; - ESP_RETURN_ON_FALSE(id < I2S_NUM_MAX, ESP_ERR_INVALID_ARG, TAG, "invalid i2s port id"); - portENTER_CRITICAL(&s_i2s.spinlock); - if ((!s_i2s.controller[id]) && (s_i2s.comp_name[id] == NULL)) { - s_i2s.comp_name[id] = comp_name; + ESP_RETURN_ON_FALSE(id < SOC_I2S_NUM, ESP_ERR_INVALID_ARG, TAG, "invalid i2s port id"); + portENTER_CRITICAL(&g_i2s.spinlock); + if ((!g_i2s.controller[id]) && (g_i2s.comp_name[id] == NULL)) { + g_i2s.comp_name[id] = comp_name; /* Enable module clock */ periph_module_enable(i2s_periph_signal[id].module); i2s_ll_enable_clock(I2S_LL_GET_HW(id)); } else { - occupied_comp = s_i2s.comp_name[id]; + occupied_comp = g_i2s.comp_name[id]; ret = ESP_ERR_NOT_FOUND; } - portEXIT_CRITICAL(&s_i2s.spinlock); + portEXIT_CRITICAL(&g_i2s.spinlock); if (occupied_comp != NULL) { ESP_LOGE(TAG, "i2s controller %d has been occupied by %s", id, occupied_comp); } @@ -948,16 +1119,24 @@ esp_err_t i2s_platform_acquire_occupation(int id, const char *comp_name) esp_err_t i2s_platform_release_occupation(int id) { esp_err_t ret = ESP_OK; - ESP_RETURN_ON_FALSE(id < I2S_NUM_MAX, ESP_ERR_INVALID_ARG, TAG, "invalid i2s port id"); - portENTER_CRITICAL(&s_i2s.spinlock); - if ((!s_i2s.controller[id])) { - s_i2s.comp_name[id] = NULL; + ESP_RETURN_ON_FALSE(id < SOC_I2S_NUM, ESP_ERR_INVALID_ARG, TAG, "invalid i2s port id"); + portENTER_CRITICAL(&g_i2s.spinlock); + if (!g_i2s.controller[id]) { + g_i2s.comp_name[id] = NULL; /* Disable module clock */ periph_module_disable(i2s_periph_signal[id].module); i2s_ll_disable_clock(I2S_LL_GET_HW(id)); } else { ret = ESP_ERR_INVALID_STATE; } - portEXIT_CRITICAL(&s_i2s.spinlock); + portEXIT_CRITICAL(&g_i2s.spinlock); return ret; } + +// Only used in `test_i2s_iram.c` to write DMA buffer directly +size_t inline i2s_platform_get_dma_buffer_offset(void) +{ + /* Force to transfer address '0' into 'i2s_chan_handle_t' type, + * then find the corresponding field , the address of this field is the offset of this type */ + return (size_t)&(((i2s_chan_handle_t)0)->dma.bufs); +} diff --git a/components/driver/i2s/i2s_pdm.c b/components/driver/i2s/i2s_pdm.c index 4c1b8aebcb..500f822ed0 100644 --- a/components/driver/i2s/i2s_pdm.c +++ b/components/driver/i2s/i2s_pdm.c @@ -4,8 +4,17 @@ * SPDX-License-Identifier: Apache-2.0 */ #include + #include "freertos/FreeRTOS.h" #include "freertos/semphr.h" +#include "sdkconfig.h" + +#if CONFIG_I2S_ENABLE_DEBUG_LOG +// The local log level must be defined before including esp_log.h +// Set the maximum log level for this source file +#define LOG_LOCAL_LEVEL ESP_LOG_DEBUG +#endif + #include "hal/i2s_hal.h" #include "driver/gpio.h" #include "driver/i2s_pdm.h" @@ -14,7 +23,7 @@ #include "esp_intr_alloc.h" #include "esp_check.h" -static const char *TAG = "I2S_PDM"; +static const char *TAG = "i2s_pdm"; /*--------------------------------------------------------------- PDM TX @@ -30,7 +39,7 @@ static esp_err_t i2s_pdm_tx_calculate_clock(i2s_chan_handle_t handle, const i2s_ clk_info->bclk_div = 8; clk_info->mclk = clk_info->bclk * clk_info->bclk_div; #if SOC_I2S_SUPPORTS_APLL - clk_info->sclk = clk_cfg->clk_src == I2S_CLK_PLL_160M ? I2S_LL_BASE_CLK : i2s_set_get_apll_freq(clk_info->mclk); + clk_info->sclk = (clk_cfg->clk_src == I2S_CLK_SRC_APLL) ? i2s_set_get_apll_freq(clk_info->mclk) : I2S_LL_BASE_CLK; #else clk_info->sclk = I2S_LL_BASE_CLK; #endif @@ -39,7 +48,7 @@ static esp_err_t i2s_pdm_tx_calculate_clock(i2s_chan_handle_t handle, const i2s_ /* Check if the configuration is correct */ ESP_RETURN_ON_FALSE(clk_info->mclk_div, ESP_ERR_INVALID_ARG, TAG, "sample rate is too large"); /* Set upsampling configuration */ - i2s_ll_tx_set_pdm_fpfs(handle->parent->hal.dev, pdm_tx_clk->up_sample_fp, pdm_tx_clk->up_sample_fs); + i2s_ll_tx_set_pdm_fpfs(handle->controller->hal.dev, pdm_tx_clk->up_sample_fp, pdm_tx_clk->up_sample_fs); return ESP_OK; } @@ -49,33 +58,16 @@ static esp_err_t i2s_pdm_tx_set_clock(i2s_chan_handle_t handle, const i2s_pdm_tx esp_err_t ret = ESP_OK; i2s_pdm_tx_config_t *pdm_tx_cfg = (i2s_pdm_tx_config_t *)(handle->mode_info); - /* If Power Management enabled, a PM lock will be created when there is no PM lock or clock source changed */ -#ifdef CONFIG_PM_ENABLE - // Create/Re-create power management lock - if (handle->pm_lock == NULL || pdm_tx_cfg->clk_cfg.clk_src != clk_cfg->clk_src) { - if (handle->pm_lock) { - ESP_RETURN_ON_ERROR(esp_pm_lock_delete(handle->pm_lock), TAG, "I2S delete old pm lock failed"); - } - esp_pm_lock_type_t pm_type = ESP_PM_APB_FREQ_MAX; -#if SOC_I2S_SUPPORTS_APLL - if (clk_cfg->clk_src == I2S_CLK_APLL) { - pm_type = ESP_PM_NO_LIGHT_SLEEP; - } -#endif // SOC_I2S_SUPPORTS_APLL - ESP_RETURN_ON_ERROR(esp_pm_lock_create(pm_type, 0, "i2s_driver", &handle->pm_lock), err, TAG, "I2S pm lock create failed"); - } -#endif //CONFIG_PM_ENABLE - i2s_hal_clock_info_t clk_info; /* Calculate clock parameters */ ESP_RETURN_ON_ERROR(i2s_pdm_tx_calculate_clock(handle, clk_cfg, &clk_info), TAG, "clock calculate failed"); ESP_LOGD(TAG, "Clock division info: [sclk] %d Hz [mdiv] %d [mclk] %d Hz [bdiv] %d [bclk] %d Hz", - clk_info.sclk, clk_info.mclk_div, clk_info.mclk, clk_info.bclk_div, clk_info.bclk); + clk_info.sclk, clk_info.mclk_div, clk_info.mclk, clk_info.bclk_div, clk_info.bclk); - portENTER_CRITICAL(&s_i2s.spinlock); + portENTER_CRITICAL(&g_i2s.spinlock); /* Set clock configurations in HAL*/ - i2s_hal_set_tx_clock(&handle->parent->hal, &clk_info, clk_cfg->clk_src); - portEXIT_CRITICAL(&s_i2s.spinlock); + i2s_hal_set_tx_clock(&handle->controller->hal, &clk_info, clk_cfg->clk_src); + portEXIT_CRITICAL(&g_i2s.spinlock); /* Update the mode info: clock configuration */ memcpy(&(pdm_tx_cfg->clk_cfg), clk_cfg, sizeof(i2s_pdm_tx_clk_config_t)); @@ -98,13 +90,13 @@ static esp_err_t i2s_pdm_tx_set_slot(i2s_chan_handle_t handle, const i2s_pdm_tx_ TAG, "allocate memory for dma descriptor failed"); } /* Share bck and ws signal in full-duplex mode */ - i2s_ll_share_bck_ws(handle->parent->hal.dev, handle->parent->full_duplex); + i2s_ll_share_bck_ws(handle->controller->hal.dev, handle->controller->full_duplex); - portENTER_CRITICAL(&s_i2s.spinlock); + portENTER_CRITICAL(&g_i2s.spinlock); /* Configure the hardware to apply PDM format */ bool is_slave = handle->role == I2S_ROLE_SLAVE; - i2s_hal_pdm_set_tx_slot(&(handle->parent->hal), is_slave, (i2s_hal_slot_config_t*)slot_cfg); - portEXIT_CRITICAL(&s_i2s.spinlock); + i2s_hal_pdm_set_tx_slot(&(handle->controller->hal), is_slave, (i2s_hal_slot_config_t *)slot_cfg); + portEXIT_CRITICAL(&g_i2s.spinlock); /* Update the mode info: slot configuration */ i2s_pdm_tx_config_t *pdm_tx_cfg = (i2s_pdm_tx_config_t *)handle->mode_info; @@ -115,7 +107,7 @@ static esp_err_t i2s_pdm_tx_set_slot(i2s_chan_handle_t handle, const i2s_pdm_tx_ static esp_err_t i2s_pdm_tx_set_gpio(i2s_chan_handle_t handle, const i2s_pdm_tx_gpio_config_t *gpio_cfg) { - int id = handle->parent->id; + int id = handle->controller->id; /* Check validity of selected pins */ ESP_RETURN_ON_FALSE((gpio_cfg->clk == -1 || GPIO_IS_VALID_GPIO(gpio_cfg->clk)), @@ -123,21 +115,21 @@ static esp_err_t i2s_pdm_tx_set_gpio(i2s_chan_handle_t handle, const i2s_pdm_tx_ ESP_RETURN_ON_FALSE((gpio_cfg->dout == -1 || GPIO_IS_VALID_GPIO(gpio_cfg->dout)), ESP_ERR_INVALID_ARG, TAG, "dout gpio is invalid"); /* Set data output GPIO */ - i2s_gpio_check_and_set(gpio_cfg->dout, i2s_periph_signal[id].data_out_sig, false); + i2s_gpio_check_and_set(gpio_cfg->dout, i2s_periph_signal[id].data_out_sig, false, false); if (handle->role == I2S_ROLE_SLAVE) { /* For "tx + slave" mode, select TX signal index for ws and bck */ - if (!handle->parent->full_duplex) { - i2s_gpio_check_and_set(gpio_cfg->clk, i2s_periph_signal[id].s_tx_ws_sig, true); - /* For "tx + rx + slave" or "rx + slave" mode, select RX signal index for ws and bck */ + if (!handle->controller->full_duplex) { + i2s_gpio_check_and_set(gpio_cfg->clk, i2s_periph_signal[id].s_tx_ws_sig, true, gpio_cfg->invert_flags.clk_inv); + /* For "tx + rx + slave" or "rx + slave" mode, select RX signal index for ws and bck */ } else { - i2s_gpio_check_and_set(gpio_cfg->clk, i2s_periph_signal[id].s_rx_ws_sig, true); + i2s_gpio_check_and_set(gpio_cfg->clk, i2s_periph_signal[id].s_rx_ws_sig, true, gpio_cfg->invert_flags.clk_inv); } } else { - i2s_gpio_check_and_set(gpio_cfg->clk, i2s_periph_signal[id].m_tx_ws_sig, false); + i2s_gpio_check_and_set(gpio_cfg->clk, i2s_periph_signal[id].m_tx_ws_sig, false, gpio_cfg->invert_flags.clk_inv); } #if SOC_I2S_HW_VERSION_2 - i2s_ll_mclk_bind_to_tx_clk(handle->parent->hal.dev); + i2s_ll_mclk_bind_to_tx_clk(handle->controller->hal.dev); #endif /* Update the mode info: gpio configuration */ i2s_pdm_tx_config_t *pdm_tx_cfg = (i2s_pdm_tx_config_t *)handle->mode_info; @@ -146,11 +138,14 @@ static esp_err_t i2s_pdm_tx_set_gpio(i2s_chan_handle_t handle, const i2s_pdm_tx_ return ESP_OK; } -esp_err_t i2s_init_pdm_tx_channel(i2s_chan_handle_t handle, const i2s_pdm_tx_config_t *pdm_tx_cfg) +esp_err_t i2s_channel_init_pdm_tx_mode(i2s_chan_handle_t handle, const i2s_pdm_tx_config_t *pdm_tx_cfg) { +#if CONFIG_I2S_ENABLE_DEBUG_LOG + esp_log_level_set(TAG, ESP_LOG_DEBUG); +#endif I2S_NULL_POINTER_CHECK(TAG, handle); ESP_RETURN_ON_FALSE(handle->dir == I2S_DIR_TX, ESP_ERR_INVALID_ARG, TAG, "This channel handle is not a TX handle"); - ESP_RETURN_ON_FALSE(handle->parent->id == I2S_NUM_0, ESP_ERR_INVALID_ARG, TAG, "This channel handle is registered on I2S1, but PDM is only supported on I2S0"); + ESP_RETURN_ON_FALSE(handle->controller->id == I2S_NUM_0, ESP_ERR_INVALID_ARG, TAG, "This channel handle is registered on I2S1, but PDM is only supported on I2S0"); esp_err_t ret = ESP_OK; @@ -164,11 +159,11 @@ esp_err_t i2s_init_pdm_tx_channel(i2s_chan_handle_t handle, const i2s_pdm_tx_con handle->mode_info = calloc(1, sizeof(i2s_pdm_tx_config_t)); ESP_GOTO_ON_FALSE(handle->mode_info, ESP_ERR_NO_MEM, err, TAG, "no memory for storing the configurations"); ESP_GOTO_ON_ERROR(i2s_pdm_tx_set_gpio(handle, &pdm_tx_cfg->gpio_cfg), err, TAG, "initialize channel failed while setting gpio pins"); - /* i2s_set_slot should be called before i2s_set_clock while initializing, because clock is relay on the slot */ + /* i2s_set_pdm_tx_slot should be called before i2s_set_pdm_tx_clock while initializing, because clock is relay on the slot */ ESP_GOTO_ON_ERROR(i2s_pdm_tx_set_slot(handle, &pdm_tx_cfg->slot_cfg), err, TAG, "initialize channel failed while setting slot"); #if SOC_I2S_SUPPORTS_APLL /* Enable APLL and acquire its lock when the clock source is APLL */ - if (pdm_tx_cfg->clk_cfg.clk_src == I2S_CLK_APLL) { + if (pdm_tx_cfg->clk_cfg.clk_src == I2S_CLK_SRC_APLL) { periph_rtc_apll_acquire(); handle->apll_en = true; } @@ -176,10 +171,19 @@ esp_err_t i2s_init_pdm_tx_channel(i2s_chan_handle_t handle, const i2s_pdm_tx_con ESP_GOTO_ON_ERROR(i2s_pdm_tx_set_clock(handle, &pdm_tx_cfg->clk_cfg), err, TAG, "initialize channel failed while setting clock"); ESP_GOTO_ON_ERROR(i2s_init_dma_intr(handle, ESP_INTR_FLAG_LEVEL1), err, TAG, "initialize dma interrupt failed"); - i2s_ll_tx_enable_pdm(handle->parent->hal.dev); + i2s_ll_tx_enable_pdm(handle->controller->hal.dev); #if SOC_I2S_HW_VERSION_2 /* Enable clock to start outputting mclk signal. Some codecs will reset once mclk stop */ - i2s_ll_tx_enable_clock(handle->parent->hal.dev); + i2s_ll_tx_enable_clock(handle->controller->hal.dev); +#endif +#ifdef CONFIG_PM_ENABLE + esp_pm_lock_type_t pm_type = ESP_PM_APB_FREQ_MAX; +#if SOC_I2S_SUPPORTS_APLL + if (pdm_tx_cfg->clk_cfg.clk_src == I2S_CLK_SRC_APLL) { + pm_type = ESP_PM_NO_LIGHT_SLEEP; + } +#endif // SOC_I2S_SUPPORTS_APLL + ESP_RETURN_ON_ERROR(esp_pm_lock_create(pm_type, 0, "i2s_driver", &handle->pm_lock), TAG, "I2S pm lock create failed"); #endif /* Initialization finished, mark state as ready */ @@ -192,7 +196,7 @@ err: return ret; } -esp_err_t i2s_reconfig_pdm_tx_clock(i2s_chan_handle_t handle, const i2s_pdm_tx_clk_config_t *clk_cfg) +esp_err_t i2s_channel_reconfig_pdm_tx_clock(i2s_chan_handle_t handle, const i2s_pdm_tx_clk_config_t *clk_cfg) { I2S_NULL_POINTER_CHECK(TAG, handle); I2S_NULL_POINTER_CHECK(TAG, clk_cfg); @@ -202,24 +206,37 @@ esp_err_t i2s_reconfig_pdm_tx_clock(i2s_chan_handle_t handle, const i2s_pdm_tx_c xSemaphoreTake(handle->mutex, portMAX_DELAY); ESP_GOTO_ON_FALSE(handle->mode == I2S_COMM_MODE_PDM, ESP_ERR_INVALID_ARG, err, TAG, "this handle is not working in standard moded"); - ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "invalid state, I2S should be stopped before reconfiguring the clock"); + ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "invalid state, I2S should be disabled before reconfiguring the clock"); + i2s_pdm_tx_config_t *pdm_tx_cfg = (i2s_pdm_tx_config_t *)handle->mode_info; + ESP_GOTO_ON_FALSE(pdm_tx_cfg, ESP_ERR_INVALID_STATE, err, TAG, "initialization not complete"); #if SOC_I2S_SUPPORTS_APLL - i2s_pdm_tx_config_t *pdm_tx_cfg = (i2s_pdm_tx_config_t*)handle->mode_info; - ESP_GOTO_ON_FALSE(pdm_tx_cfg, ESP_ERR_INVALID_STATE, err, TAG, "initialization not complete"); /* Enable APLL and acquire its lock when the clock source is changed to APLL */ - if (clk_cfg->clk_src == I2S_CLK_APLL && pdm_tx_cfg->clk_cfg.clk_src == I2S_CLK_PLL_160M) { + if (clk_cfg->clk_src == I2S_CLK_SRC_APLL && pdm_tx_cfg->clk_cfg.clk_src != I2S_CLK_SRC_APLL) { periph_rtc_apll_acquire(); handle->apll_en = true; } /* Disable APLL and release its lock when clock source is changed to 160M_PLL */ - if (clk_cfg->clk_src == I2S_CLK_PLL_160M && pdm_tx_cfg->clk_cfg.clk_src == I2S_CLK_APLL) { + if (clk_cfg->clk_src != I2S_CLK_SRC_APLL && pdm_tx_cfg->clk_cfg.clk_src == I2S_CLK_SRC_APLL) { periph_rtc_apll_release(); handle->apll_en = false; } #endif ESP_GOTO_ON_ERROR(i2s_pdm_tx_set_clock(handle, clk_cfg), err, TAG, "update clock failed"); +#ifdef CONFIG_PM_ENABLE + // Create/Re-create power management lock + if (pdm_tx_cfg->clk_cfg.clk_src != clk_cfg->clk_src) { + ESP_GOTO_ON_ERROR(esp_pm_lock_delete(handle->pm_lock), err, TAG, "I2S delete old pm lock failed"); + esp_pm_lock_type_t pm_type = ESP_PM_APB_FREQ_MAX; +#if SOC_I2S_SUPPORTS_APLL + if (clk_cfg->clk_src == I2S_CLK_SRC_APLL) { + pm_type = ESP_PM_NO_LIGHT_SLEEP; + } +#endif // SOC_I2S_SUPPORTS_APLL + ESP_GOTO_ON_ERROR(esp_pm_lock_create(pm_type, 0, "i2s_driver", &handle->pm_lock), err, TAG, "I2S pm lock create failed"); + } +#endif //CONFIG_PM_ENABLE xSemaphoreGive(handle->mutex); @@ -229,7 +246,7 @@ err: return ret; } -esp_err_t i2s_reconfig_pdm_tx_slot(i2s_chan_handle_t handle, const i2s_pdm_tx_slot_config_t *slot_cfg) +esp_err_t i2s_channel_reconfig_pdm_tx_slot(i2s_chan_handle_t handle, const i2s_pdm_tx_slot_config_t *slot_cfg) { I2S_NULL_POINTER_CHECK(TAG, handle); I2S_NULL_POINTER_CHECK(TAG, slot_cfg); @@ -239,9 +256,9 @@ esp_err_t i2s_reconfig_pdm_tx_slot(i2s_chan_handle_t handle, const i2s_pdm_tx_sl xSemaphoreTake(handle->mutex, portMAX_DELAY); ESP_GOTO_ON_FALSE(handle->mode == I2S_COMM_MODE_PDM, ESP_ERR_INVALID_ARG, err, TAG, "this handle is not working in standard moded"); - ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "invalid state, I2S should be stopped before reconfiguring the slot"); + ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "invalid state, I2S should be disabled before reconfiguring the slot"); - i2s_pdm_tx_config_t *pdm_tx_cfg = (i2s_pdm_tx_config_t*)handle->mode_info; + i2s_pdm_tx_config_t *pdm_tx_cfg = (i2s_pdm_tx_config_t *)handle->mode_info; ESP_GOTO_ON_FALSE(pdm_tx_cfg, ESP_ERR_INVALID_STATE, err, TAG, "initialization not complete"); ESP_GOTO_ON_ERROR(i2s_pdm_tx_set_slot(handle, slot_cfg), err, TAG, "set i2s standard slot failed"); @@ -260,7 +277,7 @@ err: return ret; } -esp_err_t i2s_reconfig_pdm_tx_gpio(i2s_chan_handle_t handle, const i2s_pdm_tx_gpio_config_t *gpio_cfg) +esp_err_t i2s_channel_reconfig_pdm_tx_gpio(i2s_chan_handle_t handle, const i2s_pdm_tx_gpio_config_t *gpio_cfg) { I2S_NULL_POINTER_CHECK(TAG, handle); I2S_NULL_POINTER_CHECK(TAG, gpio_cfg); @@ -270,7 +287,7 @@ esp_err_t i2s_reconfig_pdm_tx_gpio(i2s_chan_handle_t handle, const i2s_pdm_tx_gp xSemaphoreTake(handle->mutex, portMAX_DELAY); ESP_GOTO_ON_FALSE(handle->mode == I2S_COMM_MODE_PDM, ESP_ERR_INVALID_ARG, err, TAG, "This handle is not working in standard moded"); - ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "Invalid state, I2S should be stopped before reconfiguring the gpio"); + ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "Invalid state, I2S should be disabled before reconfiguring the gpio"); ESP_GOTO_ON_ERROR(i2s_pdm_tx_set_gpio(handle, gpio_cfg), err, TAG, "set i2s standard slot failed"); xSemaphoreGive(handle->mutex); @@ -298,7 +315,7 @@ static esp_err_t i2s_pdm_rx_calculate_clock(i2s_chan_handle_t handle, const i2s_ clk_info->bclk_div = 8; clk_info->mclk = clk_info->bclk * clk_info->bclk_div; #if SOC_I2S_SUPPORTS_APLL - clk_info->sclk = clk_cfg->clk_src == I2S_CLK_PLL_160M ? I2S_LL_BASE_CLK : i2s_set_get_apll_freq(clk_info->mclk); + clk_info->sclk = (clk_cfg->clk_src == I2S_CLK_SRC_APLL) ? i2s_set_get_apll_freq(clk_info->mclk) : I2S_LL_BASE_CLK; #else clk_info->sclk = I2S_LL_BASE_CLK; #endif @@ -307,7 +324,7 @@ static esp_err_t i2s_pdm_rx_calculate_clock(i2s_chan_handle_t handle, const i2s_ /* Check if the configuration is correct */ ESP_RETURN_ON_FALSE(clk_info->mclk_div, ESP_ERR_INVALID_ARG, TAG, "sample rate is too large"); /* Set down-sampling configuration */ - i2s_ll_rx_set_pdm_dsr(handle->parent->hal.dev, pdm_rx_clk->dn_sample_mode); + i2s_ll_rx_set_pdm_dsr(handle->controller->hal.dev, pdm_rx_clk->dn_sample_mode); return ESP_OK; } @@ -316,33 +333,16 @@ static esp_err_t i2s_pdm_rx_set_clock(i2s_chan_handle_t handle, const i2s_pdm_rx esp_err_t ret = ESP_OK; i2s_pdm_rx_config_t *pdm_rx_cfg = (i2s_pdm_rx_config_t *)(handle->mode_info); - /* If Power Management enabled, a PM lock will be created when there is no PM lock or clock source changed */ -#ifdef CONFIG_PM_ENABLE - // Create/Re-create power management lock - if (handle->pm_lock == NULL || pdm_rx_cfg->clk_cfg.clk_src != clk_cfg->clk_src) { - if (handle->pm_lock) { - ESP_RETURN_ON_ERROR(esp_pm_lock_delete(handle->pm_lock), TAG, "I2S delete old pm lock failed"); - } - esp_pm_lock_type_t pm_type = ESP_PM_APB_FREQ_MAX; -#if SOC_I2S_SUPPORTS_APLL - if (clk_cfg->clk_src == I2S_CLK_APLL) { - pm_type = ESP_PM_NO_LIGHT_SLEEP; - } -#endif // SOC_I2S_SUPPORTS_APLL - ESP_RETURN_ON_ERROR(esp_pm_lock_create(pm_type, 0, "i2s_driver", &handle->pm_lock), err, TAG, "I2S pm lock create failed"); - } -#endif //CONFIG_PM_ENABLE - i2s_hal_clock_info_t clk_info; /* Calculate clock parameters */ ESP_RETURN_ON_ERROR(i2s_pdm_rx_calculate_clock(handle, clk_cfg, &clk_info), TAG, "clock calculate failed"); ESP_LOGD(TAG, "Clock division info: [sclk] %d Hz [mdiv] %d [mclk] %d Hz [bdiv] %d [bclk] %d Hz", - clk_info.sclk, clk_info.mclk_div, clk_info.mclk, clk_info.bclk_div, clk_info.bclk); + clk_info.sclk, clk_info.mclk_div, clk_info.mclk, clk_info.bclk_div, clk_info.bclk); - portENTER_CRITICAL(&s_i2s.spinlock); + portENTER_CRITICAL(&g_i2s.spinlock); /* Set clock configurations in HAL*/ - i2s_hal_set_rx_clock(&handle->parent->hal, &clk_info, clk_cfg->clk_src); - portEXIT_CRITICAL(&s_i2s.spinlock); + i2s_hal_set_rx_clock(&handle->controller->hal, &clk_info, clk_cfg->clk_src); + portEXIT_CRITICAL(&g_i2s.spinlock); /* Update the mode info: clock configuration */ memcpy(&(pdm_rx_cfg->clk_cfg), clk_cfg, sizeof(i2s_pdm_rx_clk_config_t)); @@ -365,13 +365,13 @@ static esp_err_t i2s_pdm_rx_set_slot(i2s_chan_handle_t handle, const i2s_pdm_rx_ TAG, "allocate memory for dma descriptor failed"); } /* Share bck and ws signal in full-duplex mode */ - i2s_ll_share_bck_ws(handle->parent->hal.dev, handle->parent->full_duplex); + i2s_ll_share_bck_ws(handle->controller->hal.dev, handle->controller->full_duplex); - portENTER_CRITICAL(&s_i2s.spinlock); + portENTER_CRITICAL(&g_i2s.spinlock); /* Configure the hardware to apply PDM format */ - bool is_slave = (handle->role == I2S_ROLE_SLAVE) | handle->parent->full_duplex; - i2s_hal_pdm_set_rx_slot(&(handle->parent->hal), is_slave, (i2s_hal_slot_config_t*)slot_cfg); - portEXIT_CRITICAL(&s_i2s.spinlock); + bool is_slave = (handle->role == I2S_ROLE_SLAVE) | handle->controller->full_duplex; + i2s_hal_pdm_set_rx_slot(&(handle->controller->hal), is_slave, (i2s_hal_slot_config_t *)slot_cfg); + portEXIT_CRITICAL(&g_i2s.spinlock); /* Update the mode info: slot configuration */ i2s_pdm_rx_config_t *pdm_rx_cfg = (i2s_pdm_rx_config_t *)handle->mode_info; @@ -382,7 +382,7 @@ static esp_err_t i2s_pdm_rx_set_slot(i2s_chan_handle_t handle, const i2s_pdm_rx_ static esp_err_t i2s_pdm_rx_set_gpio(i2s_chan_handle_t handle, const i2s_pdm_rx_gpio_config_t *gpio_cfg) { - int id = handle->parent->id; + int id = handle->controller->id; /* Check validity of selected pins */ ESP_RETURN_ON_FALSE((gpio_cfg->clk == -1 || GPIO_IS_VALID_GPIO(gpio_cfg->clk)), @@ -390,20 +390,20 @@ static esp_err_t i2s_pdm_rx_set_gpio(i2s_chan_handle_t handle, const i2s_pdm_rx_ ESP_RETURN_ON_FALSE((gpio_cfg->din == -1 || GPIO_IS_VALID_GPIO(gpio_cfg->din)), ESP_ERR_INVALID_ARG, TAG, "dout gpio is invalid"); /* Set data input GPIO */ - i2s_gpio_check_and_set(gpio_cfg->din, i2s_periph_signal[id].data_in_sig, true); + i2s_gpio_check_and_set(gpio_cfg->din, i2s_periph_signal[id].data_in_sig, true, false); if (handle->role == I2S_ROLE_SLAVE) { /* For "tx + rx + slave" or "rx + slave" mode, select RX signal index for ws and bck */ - i2s_gpio_check_and_set(gpio_cfg->clk, i2s_periph_signal[id].s_rx_ws_sig, true); + i2s_gpio_check_and_set(gpio_cfg->clk, i2s_periph_signal[id].s_rx_ws_sig, true, gpio_cfg->invert_flags.clk_inv); } else { - if (!handle->parent->full_duplex) { - i2s_gpio_check_and_set(gpio_cfg->clk, i2s_periph_signal[id].m_rx_ws_sig, false); + if (!handle->controller->full_duplex) { + i2s_gpio_check_and_set(gpio_cfg->clk, i2s_periph_signal[id].m_rx_ws_sig, false, gpio_cfg->invert_flags.clk_inv); } else { - i2s_gpio_check_and_set(gpio_cfg->clk, i2s_periph_signal[id].m_tx_ws_sig, false); + i2s_gpio_check_and_set(gpio_cfg->clk, i2s_periph_signal[id].m_tx_ws_sig, false, gpio_cfg->invert_flags.clk_inv); } } #if SOC_I2S_HW_VERSION_2 - i2s_ll_mclk_bind_to_rx_clk(handle->parent->hal.dev); + i2s_ll_mclk_bind_to_rx_clk(handle->controller->hal.dev); #endif /* Update the mode info: gpio configuration */ i2s_pdm_rx_config_t *pdm_rx_cfg = (i2s_pdm_rx_config_t *)handle->mode_info; @@ -412,11 +412,11 @@ static esp_err_t i2s_pdm_rx_set_gpio(i2s_chan_handle_t handle, const i2s_pdm_rx_ return ESP_OK; } -esp_err_t i2s_init_pdm_rx_channel(i2s_chan_handle_t handle, const i2s_pdm_rx_config_t *pdm_rx_cfg) +esp_err_t i2s_channel_init_pdm_rx_mode(i2s_chan_handle_t handle, const i2s_pdm_rx_config_t *pdm_rx_cfg) { I2S_NULL_POINTER_CHECK(TAG, handle); ESP_RETURN_ON_FALSE(handle->dir == I2S_DIR_RX, ESP_ERR_INVALID_ARG, TAG, "This channel handle is not a RX handle"); - ESP_RETURN_ON_FALSE(handle->parent->id == I2S_NUM_0, ESP_ERR_INVALID_ARG, TAG, "This channel handle is registered on I2S1, but PDM is only supported on I2S0"); + ESP_RETURN_ON_FALSE(handle->controller->id == I2S_NUM_0, ESP_ERR_INVALID_ARG, TAG, "This channel handle is registered on I2S1, but PDM is only supported on I2S0"); esp_err_t ret = ESP_OK; @@ -430,11 +430,11 @@ esp_err_t i2s_init_pdm_rx_channel(i2s_chan_handle_t handle, const i2s_pdm_rx_con handle->mode_info = calloc(1, sizeof(i2s_pdm_rx_config_t)); ESP_GOTO_ON_FALSE(handle->mode_info, ESP_ERR_NO_MEM, err, TAG, "no memory for storing the configurations"); ESP_GOTO_ON_ERROR(i2s_pdm_rx_set_gpio(handle, &pdm_rx_cfg->gpio_cfg), err, TAG, "initialize channel failed while setting gpio pins"); - /* i2s_set_slot should be called before i2s_set_clock while initializing, because clock is relay on the slot */ + /* i2s_set_pdm_rx_slot should be called before i2s_set_pdm_rx_clock while initializing, because clock is relay on the slot */ ESP_GOTO_ON_ERROR(i2s_pdm_rx_set_slot(handle, &pdm_rx_cfg->slot_cfg), err, TAG, "initialize channel failed while setting slot"); #if SOC_I2S_SUPPORTS_APLL /* Enable APLL and acquire its lock when the clock source is APLL */ - if (pdm_rx_cfg->clk_cfg.clk_src == I2S_CLK_APLL) { + if (pdm_rx_cfg->clk_cfg.clk_src == I2S_CLK_SRC_APLL) { periph_rtc_apll_acquire(); handle->apll_en = true; } @@ -442,10 +442,19 @@ esp_err_t i2s_init_pdm_rx_channel(i2s_chan_handle_t handle, const i2s_pdm_rx_con ESP_GOTO_ON_ERROR(i2s_pdm_rx_set_clock(handle, &pdm_rx_cfg->clk_cfg), err, TAG, "initialize channel failed while setting clock"); ESP_GOTO_ON_ERROR(i2s_init_dma_intr(handle, ESP_INTR_FLAG_LEVEL1), err, TAG, "initialize dma interrupt failed"); - i2s_ll_rx_enable_pdm(handle->parent->hal.dev); + i2s_ll_rx_enable_pdm(handle->controller->hal.dev); #if SOC_I2S_HW_VERSION_2 /* Enable clock to start outputting mclk signal. Some codecs will reset once mclk stop */ - i2s_ll_rx_enable_clock(handle->parent->hal.dev); + i2s_ll_rx_enable_clock(handle->controller->hal.dev); +#endif +#ifdef CONFIG_PM_ENABLE + esp_pm_lock_type_t pm_type = ESP_PM_APB_FREQ_MAX; +#if SOC_I2S_SUPPORTS_APLL + if (pdm_rx_cfg->clk_cfg.clk_src == I2S_CLK_SRC_APLL) { + pm_type = ESP_PM_NO_LIGHT_SLEEP; + } +#endif // SOC_I2S_SUPPORTS_APLL + ESP_RETURN_ON_ERROR(esp_pm_lock_create(pm_type, 0, "i2s_driver", &handle->pm_lock), TAG, "I2S pm lock create failed"); #endif /* Initialization finished, mark state as ready */ @@ -458,7 +467,7 @@ err: return ret; } -esp_err_t i2s_reconfig_pdm_rx_clock(i2s_chan_handle_t handle, const i2s_pdm_rx_clk_config_t *clk_cfg) +esp_err_t i2s_channel_reconfig_pdm_rx_clock(i2s_chan_handle_t handle, const i2s_pdm_rx_clk_config_t *clk_cfg) { I2S_NULL_POINTER_CHECK(TAG, handle); I2S_NULL_POINTER_CHECK(TAG, clk_cfg); @@ -468,24 +477,37 @@ esp_err_t i2s_reconfig_pdm_rx_clock(i2s_chan_handle_t handle, const i2s_pdm_rx_c xSemaphoreTake(handle->mutex, portMAX_DELAY); ESP_GOTO_ON_FALSE(handle->mode == I2S_COMM_MODE_PDM, ESP_ERR_INVALID_ARG, err, TAG, "this handle is not working in standard moded"); - ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "invalid state, I2S should be stopped before reconfiguring the clock"); + ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "invalid state, I2S should be disabled before reconfiguring the clock"); + i2s_pdm_rx_config_t *pdm_rx_cfg = (i2s_pdm_rx_config_t *)handle->mode_info; + ESP_GOTO_ON_FALSE(pdm_rx_cfg, ESP_ERR_INVALID_STATE, err, TAG, "initialization not complete"); #if SOC_I2S_SUPPORTS_APLL - i2s_pdm_rx_config_t *pdm_rx_cfg = (i2s_pdm_rx_config_t*)handle->mode_info; - ESP_GOTO_ON_FALSE(pdm_rx_cfg, ESP_ERR_INVALID_STATE, err, TAG, "initialization not complete"); /* Enable APLL and acquire its lock when the clock source is changed to APLL */ - if (clk_cfg->clk_src == I2S_CLK_APLL && pdm_rx_cfg->clk_cfg.clk_src == I2S_CLK_PLL_160M) { + if (clk_cfg->clk_src == I2S_CLK_SRC_APLL && pdm_rx_cfg->clk_cfg.clk_src != I2S_CLK_SRC_APLL) { periph_rtc_apll_acquire(); handle->apll_en = true; } /* Disable APLL and release its lock when clock source is changed to 160M_PLL */ - if (clk_cfg->clk_src == I2S_CLK_PLL_160M && pdm_rx_cfg->clk_cfg.clk_src == I2S_CLK_APLL) { + if (clk_cfg->clk_src != I2S_CLK_SRC_APLL && pdm_rx_cfg->clk_cfg.clk_src == I2S_CLK_SRC_APLL) { periph_rtc_apll_release(); handle->apll_en = false; } #endif ESP_GOTO_ON_ERROR(i2s_pdm_rx_set_clock(handle, clk_cfg), err, TAG, "update clock failed"); +#ifdef CONFIG_PM_ENABLE + // Create/Re-create power management lock + if (pdm_rx_cfg->clk_cfg.clk_src != clk_cfg->clk_src) { + ESP_GOTO_ON_ERROR(esp_pm_lock_delete(handle->pm_lock), err, TAG, "I2S delete old pm lock failed"); + esp_pm_lock_type_t pm_type = ESP_PM_APB_FREQ_MAX; +#if SOC_I2S_SUPPORTS_APLL + if (clk_cfg->clk_src == I2S_CLK_SRC_APLL) { + pm_type = ESP_PM_NO_LIGHT_SLEEP; + } +#endif // SOC_I2S_SUPPORTS_APLL + ESP_GOTO_ON_ERROR(esp_pm_lock_create(pm_type, 0, "i2s_driver", &handle->pm_lock), err, TAG, "I2S pm lock create failed"); + } +#endif //CONFIG_PM_ENABLE xSemaphoreGive(handle->mutex); @@ -495,7 +517,7 @@ err: return ret; } -esp_err_t i2s_reconfig_pdm_rx_slot(i2s_chan_handle_t handle, const i2s_pdm_rx_slot_config_t *slot_cfg) +esp_err_t i2s_channel_reconfig_pdm_rx_slot(i2s_chan_handle_t handle, const i2s_pdm_rx_slot_config_t *slot_cfg) { I2S_NULL_POINTER_CHECK(TAG, handle); I2S_NULL_POINTER_CHECK(TAG, slot_cfg); @@ -505,9 +527,9 @@ esp_err_t i2s_reconfig_pdm_rx_slot(i2s_chan_handle_t handle, const i2s_pdm_rx_sl xSemaphoreTake(handle->mutex, portMAX_DELAY); ESP_GOTO_ON_FALSE(handle->mode == I2S_COMM_MODE_PDM, ESP_ERR_INVALID_ARG, err, TAG, "this handle is not working in standard moded"); - ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "invalid state, I2S should be stopped before reconfiguring the slot"); + ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "invalid state, I2S should be disabled before reconfiguring the slot"); - i2s_pdm_rx_config_t *pdm_rx_cfg = (i2s_pdm_rx_config_t*)handle->mode_info; + i2s_pdm_rx_config_t *pdm_rx_cfg = (i2s_pdm_rx_config_t *)handle->mode_info; ESP_GOTO_ON_FALSE(pdm_rx_cfg, ESP_ERR_INVALID_STATE, err, TAG, "initialization not complete"); ESP_GOTO_ON_ERROR(i2s_pdm_rx_set_slot(handle, slot_cfg), err, TAG, "set i2s standard slot failed"); @@ -526,7 +548,7 @@ err: return ret; } -esp_err_t i2s_reconfig_pdm_rx_gpio(i2s_chan_handle_t handle, const i2s_pdm_rx_gpio_config_t *gpio_cfg) +esp_err_t i2s_channel_reconfig_pdm_rx_gpio(i2s_chan_handle_t handle, const i2s_pdm_rx_gpio_config_t *gpio_cfg) { I2S_NULL_POINTER_CHECK(TAG, handle); I2S_NULL_POINTER_CHECK(TAG, gpio_cfg); @@ -535,7 +557,7 @@ esp_err_t i2s_reconfig_pdm_rx_gpio(i2s_chan_handle_t handle, const i2s_pdm_rx_gp xSemaphoreTake(handle->mutex, portMAX_DELAY); ESP_GOTO_ON_FALSE(handle->mode == I2S_COMM_MODE_PDM, ESP_ERR_INVALID_ARG, err, TAG, "This handle is not working in standard moded"); - ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "Invalid state, I2S should be stopped before reconfiguring the gpio"); + ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "Invalid state, I2S should be disabled before reconfiguring the gpio"); ESP_GOTO_ON_ERROR(i2s_pdm_rx_set_gpio(handle, gpio_cfg), err, TAG, "set i2s standard slot failed"); xSemaphoreGive(handle->mutex); diff --git a/components/driver/i2s/i2s_private.h b/components/driver/i2s/i2s_private.h index acd45d6273..e615be0f1d 100644 --- a/components/driver/i2s/i2s_private.h +++ b/components/driver/i2s/i2s_private.h @@ -10,6 +10,7 @@ #include "soc/lldesc.h" #include "soc/soc_caps.h" #include "hal/i2s_types.h" +#include "driver/i2s_types.h" #include "freertos/semphr.h" #include "freertos/queue.h" #if SOC_GDMA_SUPPORTED @@ -22,17 +23,15 @@ extern "C" { #endif -#define I2S_NULL_POINTER_CHECK(tag, p) ESP_RETURN_ON_FALSE((p), ESP_ERR_INVALID_ARG, tag, "[%s:%d] input parameter '"#p"' is NULL",__FUNCTION__,__LINE__) +#define I2S_NULL_POINTER_CHECK(tag, p) ESP_RETURN_ON_FALSE((p), ESP_ERR_INVALID_ARG, tag, "input parameter '"#p"' is NULL") /** * @brief i2s channel state for checking if the operation in under right driver state */ typedef enum { I2S_CHAN_STATE_REGISTER, /*!< i2s channel is registered (not initialized) */ - I2S_CHAN_STATE_READY, /*!< i2s channel is stopped (initialized) */ - I2S_CHAN_STATE_IDLE, /*!< i2s channel is idling (initialized and started) */ - I2S_CHAN_STATE_WRITING, /*!< i2s channel is writing (initialized and started) */ - I2S_CHAN_STATE_READING /*!< i2s channel is reading (initialized and started) */ + I2S_CHAN_STATE_READY, /*!< i2s channel is disabled (initialized) */ + I2S_CHAN_STATE_RUNNING, /*!< i2s channel is idling (initialized and enabled) */ } i2s_state_t; /** @@ -41,7 +40,9 @@ typedef enum { */ typedef struct { #if SOC_GDMA_SUPPORTED - gdma_channel_handle_t dma_chan; /*!< gdma channel handler */ + gdma_channel_handle_t dma_chan; /*!< gdma channel handle */ +#else + intr_handle_t dma_chan; /*!< interrupt channel handle */ #endif uint32_t desc_num; /*!< I2S DMA buffer number, it is also the number of DMA descriptor */ uint32_t frame_num; /*!< I2S frame number in one DMA buffer. One frame means one-time sample data in all slots */ @@ -65,15 +66,11 @@ typedef struct { i2s_chan_handle_t tx_chan; /*!< tx channel handler */ i2s_chan_handle_t rx_chan; /*!< rx channel handler */ int mclk; /*!< MCK out pin, shared by tx/rx*/ - -#if !SOC_GDMA_SUPPORTED - intr_handle_t i2s_isr_handle; /*!< i2s interrupt handler */ -#endif } i2s_controller_t; struct i2s_channel_t { /* Channel basic information */ - i2s_controller_t *parent; /*!< Parent pointer to controller object */ + i2s_controller_t *controller; /*!< Parent pointer to controller object */ i2s_comm_mode_t mode; /*!< i2s channel communication mode */ i2s_role_t role; /*!< i2s role */ i2s_dir_t dir; /*!< i2s channel direction */ @@ -87,43 +84,125 @@ struct i2s_channel_t { uint32_t active_slot; /*!< Active slot number */ uint32_t total_slot; /*!< Total slot number */ /* Locks and queues */ - SemaphoreHandle_t mutex; /*!< Mutex for DMA buffer related operations like reading/writing */ + SemaphoreHandle_t mutex; /*!< Mutex semaphore for the channel operations */ + SemaphoreHandle_t binary; /*!< Binary semaphore for writing / reading / enabling / disabling */ +#if CONFIG_PM_ENABLE esp_pm_lock_handle_t pm_lock; /*!< Power management lock, to avoid apb clock frequency changes while i2s is working */ +#endif +#if CONFIG_I2S_ISR_IRAM_SAFE + StaticSemaphore_t *mutex_struct; /*!< Static mutex struct */ + StaticSemaphore_t *binary_struct; /*!< Static binary struct */ + StaticQueue_t *msg_que_struct; /*!< Static message queue struct */ + void *msg_que_storage; /*!< Static message queue storage */ +#endif QueueHandle_t msg_queue; /*!< Message queue handler, used for transporting data between interrupt and read/write task */ - QueueHandle_t event_queue; /*!< Event queue handler， used for transporting interrupt event to user */ - - /* Function pointers of the corresponding mode */ + i2s_event_callbacks_t callbacks; /*!< Callback functions */ + void *user_data; /*!< User data for callback functions */ void (*start)(i2s_chan_handle_t); /*!< start tx/rx channel */ void (*stop)(i2s_chan_handle_t); /*!< stop tx/rx channel */ }; /** * @brief i2s platform level configurations - * @note All i2s controllers are under its control + * @note All i2s controllers' resources are involved */ typedef struct { portMUX_TYPE spinlock; /*!< Platform level lock */ - i2s_controller_t *controller[I2S_NUM_MAX]; /*!< Controller object */ - const char *comp_name[I2S_NUM_MAX]; /*!< The component name that occupied i2s controller */ + i2s_controller_t *controller[SOC_I2S_NUM]; /*!< Controller object */ + const char *comp_name[SOC_I2S_NUM]; /*!< The component name that occupied i2s controller */ } i2s_platform_t; -extern i2s_platform_t s_i2s; +extern i2s_platform_t g_i2s; +/** + * @brief Initialize I2S DMA interrupt + * + * @param handle I2S channel handle + * @param intr_flag I2S interrupt flags, `ESP_INTR_FLAG_XXX` defined in `esp_intr_alloc.h` + * @return + * - ESP_OK Initialize interrupt success + * - ESP_ERR_INVALID_ARG Wrong port id or NULL pointer + */ esp_err_t i2s_init_dma_intr(i2s_chan_handle_t handle, int intr_flag); +/** + * @brief Free I2S DMA descriptor and DMA buffer + * + * @param handle I2S channel handle + * @return + * - ESP_OK Free success + * - ESP_ERR_INVALID_ARG NULL pointer + */ esp_err_t i2s_free_dma_desc(i2s_chan_handle_t handle); +/** + * @brief Allocate memory for I2S DMA descriptor and DMA buffer + * + * @param handle I2S channel handle + * @param num Number of DMA descriptors + * @param bufsize The DMA buffer size + * + * @return + * - ESP_OK Allocate memory success + * - ESP_ERR_INVALID_ARG NULL pointer or bufsize is too big + * - ESP_ERR_NO_MEM No memmory for DMA descriptor and DMA buffer + */ esp_err_t i2s_alloc_dma_desc(i2s_chan_handle_t handle, uint32_t num, uint32_t bufsize); +/** + * @brief Get DMA buffer size + * + * @param handle I2S channel handle + * @param data_bit_width Data bit width in one slot + * @param dma_frame_num Frame number in one DMA buffer + * + * @return + * - DMA buffer size + */ uint32_t i2s_get_buf_size(i2s_chan_handle_t handle, uint32_t data_bit_width, uint32_t dma_frame_num); #if SOC_I2S_SUPPORTS_APLL -uint32_t i2s_set_get_apll_freq(uint32_t mclk_freq); +/** + * @brief Set mclk frequency and get the actuall APLL frequency + * + * @param mclk_freq_hz Expected mclk frequenct in Hz + * @return + * - Actuall APLL frequency + */ +uint32_t i2s_set_get_apll_freq(uint32_t mclk_freq_hz); #endif -void i2s_gpio_check_and_set(gpio_num_t gpio, uint32_t signal_idx, bool is_input); +/** + * @brief Check gpio validity and attach to corresponding signal + * + * @param gpio GPIO number + * @param signal_idx Signal index + * @param is_input Is input gpio + * @param is_invert Is invert gpio + */ +void i2s_gpio_check_and_set(gpio_num_t gpio, uint32_t signal_idx, bool is_input, bool is_invert); -esp_err_t i2s_check_set_mclk(i2s_port_t id, gpio_num_t gpio_num); +/** + * @brief Check gpio validity and output mclk signal + * + * @param id I2S port id + * @param gpio_num GPIO number + * @param is_apll Is using APLL as clock source + * @param is_invert Is invert the GPIO + * @return + * - ESP_OK Set mclk output gpio success + * - ESP_ERR_INVALID_ARG Invalid GPIO number + */ +esp_err_t i2s_check_set_mclk(i2s_port_t id, gpio_num_t gpio_num, bool is_apll, bool is_invert); + +/** + * @brief Attach data out signal and data in signal to a same gpio + * + * @param gpio GPIO number + * @param out_sig_idx Data out signal index + * @param in_sig_idx Data in signal index + */ +void i2s_gpio_loopback_set(gpio_num_t gpio, uint32_t out_sig_idx, uint32_t in_sig_idx); #ifdef __cplusplus } diff --git a/components/driver/i2s/i2s_std.c b/components/driver/i2s/i2s_std.c index aa5db23580..f60f8a852c 100644 --- a/components/driver/i2s/i2s_std.c +++ b/components/driver/i2s/i2s_std.c @@ -5,8 +5,17 @@ */ #include + #include "freertos/FreeRTOS.h" #include "freertos/semphr.h" +#include "sdkconfig.h" + +#if CONFIG_I2S_ENABLE_DEBUG_LOG +// The local log level must be defined before including esp_log.h +// Set the maximum log level for this source file +#define LOG_LOCAL_LEVEL ESP_LOG_DEBUG +#endif + #include "hal/i2s_hal.h" #include "driver/gpio.h" #include "driver/i2s_std.h" @@ -15,7 +24,7 @@ #include "esp_intr_alloc.h" #include "esp_check.h" -const static char *TAG = "I2S_STD"; +const static char *TAG = "i2s_std"; static esp_err_t i2s_std_calculate_clock(i2s_chan_handle_t handle, const i2s_std_clk_config_t *clk_cfg, i2s_hal_clock_info_t *clk_info) { @@ -37,7 +46,7 @@ static esp_err_t i2s_std_calculate_clock(i2s_chan_handle_t handle, const i2s_std clk_info->mclk = clk_info->bclk * clk_info->bclk_div; } #if SOC_I2S_SUPPORTS_APLL - clk_info->sclk = clk_cfg->clk_src == I2S_CLK_PLL_160M ? I2S_LL_BASE_CLK : i2s_set_get_apll_freq(clk_info->mclk); + clk_info->sclk = (clk_cfg->clk_src == I2S_CLK_SRC_APLL) ? i2s_set_get_apll_freq(clk_info->mclk) : I2S_LL_BASE_CLK; #else clk_info->sclk = I2S_LL_BASE_CLK; #endif @@ -54,37 +63,20 @@ static esp_err_t i2s_std_set_clock(i2s_chan_handle_t handle, const i2s_std_clk_c esp_err_t ret = ESP_OK; i2s_std_config_t *std_cfg = (i2s_std_config_t *)(handle->mode_info); - /* If Power Management enabled, a PM lock will be created when there is no PM lock or clock source changed */ -#ifdef CONFIG_PM_ENABLE - // Create/Re-create power management lock - if (handle->pm_lock == NULL || std_cfg->clk_cfg.clk_src != clk_cfg->clk_src) { - if (handle->pm_lock) { - ESP_RETURN_ON_ERROR(esp_pm_lock_delete(handle->pm_lock), TAG, "I2S delete old pm lock failed"); - } - esp_pm_lock_type_t pm_type = ESP_PM_APB_FREQ_MAX; -#if SOC_I2S_SUPPORTS_APLL - if (clk_cfg->clk_src == I2S_CLK_APLL) { - pm_type = ESP_PM_NO_LIGHT_SLEEP; - } -#endif // SOC_I2S_SUPPORTS_APLL - ESP_RETURN_ON_ERROR(esp_pm_lock_create(pm_type, 0, "i2s_driver", &handle->pm_lock), err, TAG, "I2S pm lock create failed"); - } -#endif //CONFIG_PM_ENABLE - i2s_hal_clock_info_t clk_info; /* Calculate clock parameters */ ESP_RETURN_ON_ERROR(i2s_std_calculate_clock(handle, clk_cfg, &clk_info), TAG, "clock calculate failed"); ESP_LOGD(TAG, "Clock division info: [sclk] %d Hz [mdiv] %d [mclk] %d Hz [bdiv] %d [bclk] %d Hz", - clk_info.sclk, clk_info.mclk_div, clk_info.mclk, clk_info.bclk_div, clk_info.bclk); + clk_info.sclk, clk_info.mclk_div, clk_info.mclk, clk_info.bclk_div, clk_info.bclk); - portENTER_CRITICAL(&s_i2s.spinlock); + portENTER_CRITICAL(&g_i2s.spinlock); /* Set clock configurations in HAL*/ if (handle->dir == I2S_DIR_TX) { - i2s_hal_set_tx_clock(&handle->parent->hal, &clk_info, clk_cfg->clk_src); + i2s_hal_set_tx_clock(&handle->controller->hal, &clk_info, clk_cfg->clk_src); } else { - i2s_hal_set_rx_clock(&handle->parent->hal, &clk_info, clk_cfg->clk_src); + i2s_hal_set_rx_clock(&handle->controller->hal, &clk_info, clk_cfg->clk_src); } - portEXIT_CRITICAL(&s_i2s.spinlock); + portEXIT_CRITICAL(&g_i2s.spinlock); /* Update the mode info: clock configuration */ memcpy(&(std_cfg->clk_cfg), clk_cfg, sizeof(i2s_std_clk_config_t)); @@ -94,6 +86,10 @@ static esp_err_t i2s_std_set_clock(i2s_chan_handle_t handle, const i2s_std_clk_c static esp_err_t i2s_std_set_slot(i2s_chan_handle_t handle, const i2s_std_slot_config_t *slot_cfg) { + /* Check configuration validity */ + ESP_RETURN_ON_FALSE((slot_cfg->slot_mode == I2S_SLOT_MODE_STEREO) || (slot_cfg->slot_mask != I2S_STD_SLOT_LEFT_RIGHT), + ESP_ERR_INVALID_ARG, TAG, "Can't select both left and right slot in mono mode"); + /* Update the total slot num and active slot num */ handle->total_slot = 2; handle->active_slot = slot_cfg->slot_mode == I2S_SLOT_MODE_MONO ? 1 : 2; @@ -108,28 +104,28 @@ static esp_err_t i2s_std_set_slot(i2s_chan_handle_t handle, const i2s_std_slot_c } bool is_slave = handle->role == I2S_ROLE_SLAVE; /* Share bck and ws signal in full-duplex mode */ - if (handle->parent->full_duplex) { - i2s_ll_share_bck_ws(handle->parent->hal.dev, true); + if (handle->controller->full_duplex) { + i2s_ll_share_bck_ws(handle->controller->hal.dev, true); /* Since bck and ws are shared, only tx or rx can be master Force to set rx as slave to avoid conflict of clock signal */ if (handle->dir == I2S_DIR_RX) { is_slave = true; } } else { - i2s_ll_share_bck_ws(handle->parent->hal.dev, false); + i2s_ll_share_bck_ws(handle->controller->hal.dev, false); } - portENTER_CRITICAL(&s_i2s.spinlock); + portENTER_CRITICAL(&g_i2s.spinlock); /* Configure the hardware to apply STD format */ if (handle->dir == I2S_DIR_TX) { - i2s_hal_std_set_tx_slot(&(handle->parent->hal), is_slave, (i2s_hal_slot_config_t*)slot_cfg); + i2s_hal_std_set_tx_slot(&(handle->controller->hal), is_slave, (i2s_hal_slot_config_t *)slot_cfg); } else { - i2s_hal_std_set_rx_slot(&(handle->parent->hal), is_slave, (i2s_hal_slot_config_t*)slot_cfg); + i2s_hal_std_set_rx_slot(&(handle->controller->hal), is_slave, (i2s_hal_slot_config_t *)slot_cfg); } - portEXIT_CRITICAL(&s_i2s.spinlock); + portEXIT_CRITICAL(&g_i2s.spinlock); /* Update the mode info: slot configuration */ - i2s_std_config_t *std_cfg = (i2s_std_config_t*)(handle->mode_info); + i2s_std_config_t *std_cfg = (i2s_std_config_t *)(handle->mode_info); memcpy(&(std_cfg->slot_cfg), slot_cfg, sizeof(i2s_std_slot_config_t)); return ESP_OK; @@ -137,64 +133,72 @@ static esp_err_t i2s_std_set_slot(i2s_chan_handle_t handle, const i2s_std_slot_c static esp_err_t i2s_std_set_gpio(i2s_chan_handle_t handle, const i2s_std_gpio_config_t *gpio_cfg) { - int id = handle->parent->id; + int id = handle->controller->id; /* Check validity of selected pins */ ESP_RETURN_ON_FALSE((gpio_cfg->bclk == -1 || GPIO_IS_VALID_GPIO(gpio_cfg->bclk)), ESP_ERR_INVALID_ARG, TAG, "bclk invalid"); ESP_RETURN_ON_FALSE((gpio_cfg->ws == -1 || GPIO_IS_VALID_GPIO(gpio_cfg->ws)), ESP_ERR_INVALID_ARG, TAG, "ws invalid"); - if (handle->dir == I2S_DIR_TX) { - /* Set data output GPIO */ - i2s_gpio_check_and_set(gpio_cfg->dout, i2s_periph_signal[id].data_out_sig, false); - } else { - /* Set data input GPIO */ - i2s_gpio_check_and_set(gpio_cfg->din, i2s_periph_signal[id].data_in_sig, true); - } + i2s_std_config_t *std_cfg = (i2s_std_config_t *)(handle->mode_info); + /* Loopback if dout = din */ if (gpio_cfg->dout != -1 && gpio_cfg->dout == gpio_cfg->din) { - gpio_set_direction(gpio_cfg->dout, GPIO_MODE_INPUT_OUTPUT); + i2s_gpio_loopback_set(gpio_cfg->dout, i2s_periph_signal[id].data_out_sig, i2s_periph_signal[id].data_in_sig); + } else if (handle->dir == I2S_DIR_TX) { + /* Set data output GPIO */ + i2s_gpio_check_and_set(gpio_cfg->dout, i2s_periph_signal[id].data_out_sig, false, false); + } else { + /* Set data input GPIO */ + i2s_gpio_check_and_set(gpio_cfg->din, i2s_periph_signal[id].data_in_sig, true, false); } if (handle->role == I2S_ROLE_SLAVE) { /* For "tx + slave" mode, select TX signal index for ws and bck */ - if (handle->dir == I2S_DIR_TX && !handle->parent->full_duplex) { + if (handle->dir == I2S_DIR_TX && !handle->controller->full_duplex) { #if SOC_I2S_HW_VERSION_2 - i2s_ll_mclk_bind_to_tx_clk(handle->parent->hal.dev); + i2s_ll_mclk_bind_to_tx_clk(handle->controller->hal.dev); #endif - i2s_gpio_check_and_set(gpio_cfg->ws, i2s_periph_signal[id].s_tx_ws_sig, true); - i2s_gpio_check_and_set(gpio_cfg->bclk, i2s_periph_signal[id].s_tx_bck_sig, true); - /* For "tx + rx + slave" or "rx + slave" mode, select RX signal index for ws and bck */ + i2s_gpio_check_and_set(gpio_cfg->ws, i2s_periph_signal[id].s_tx_ws_sig, true, gpio_cfg->invert_flags.ws_inv); + i2s_gpio_check_and_set(gpio_cfg->bclk, i2s_periph_signal[id].s_tx_bck_sig, true, gpio_cfg->invert_flags.bclk_inv); + /* For "tx + rx + slave" or "rx + slave" mode, select RX signal index for ws and bck */ } else { - i2s_gpio_check_and_set(gpio_cfg->ws, i2s_periph_signal[id].s_rx_ws_sig, true); - i2s_gpio_check_and_set(gpio_cfg->bclk, i2s_periph_signal[id].s_rx_bck_sig, true); + i2s_gpio_check_and_set(gpio_cfg->ws, i2s_periph_signal[id].s_rx_ws_sig, true, gpio_cfg->invert_flags.ws_inv); + i2s_gpio_check_and_set(gpio_cfg->bclk, i2s_periph_signal[id].s_rx_bck_sig, true, gpio_cfg->invert_flags.bclk_inv); } } else { /* mclk only available in master mode */ - ESP_RETURN_ON_ERROR(i2s_check_set_mclk(id, handle->parent->mclk), TAG, "mclk config failed"); - /* For "rx + master" mode, select RX signal index for ws and bck */ - if (handle->dir == I2S_DIR_RX && !handle->parent->full_duplex) { -#if SOC_I2S_HW_VERSION_2 - i2s_ll_mclk_bind_to_rx_clk(handle->parent->hal.dev); +#if SOC_I2S_SUPPORTS_APLL + bool is_apll = std_cfg->clk_cfg.clk_src == I2S_CLK_SRC_APLL; +#else + bool is_apll = false; #endif - i2s_gpio_check_and_set(gpio_cfg->ws, i2s_periph_signal[id].m_rx_ws_sig, false); - i2s_gpio_check_and_set(gpio_cfg->bclk, i2s_periph_signal[id].m_rx_bck_sig, false); - /* For "tx + rx + master" or "tx + master" mode, select TX signal index for ws and bck */ + ESP_RETURN_ON_ERROR(i2s_check_set_mclk(id, gpio_cfg->mclk, is_apll, gpio_cfg->invert_flags.mclk_inv), TAG, "mclk config failed"); + /* For "rx + master" mode, select RX signal index for ws and bck */ + if (handle->dir == I2S_DIR_RX && !handle->controller->full_duplex) { +#if SOC_I2S_HW_VERSION_2 + i2s_ll_mclk_bind_to_rx_clk(handle->controller->hal.dev); +#endif + i2s_gpio_check_and_set(gpio_cfg->ws, i2s_periph_signal[id].m_rx_ws_sig, false, gpio_cfg->invert_flags.ws_inv); + i2s_gpio_check_and_set(gpio_cfg->bclk, i2s_periph_signal[id].m_rx_bck_sig, false, gpio_cfg->invert_flags.bclk_inv); + /* For "tx + rx + master" or "tx + master" mode, select TX signal index for ws and bck */ } else { - i2s_gpio_check_and_set(gpio_cfg->ws, i2s_periph_signal[id].m_tx_ws_sig, false); - i2s_gpio_check_and_set(gpio_cfg->bclk, i2s_periph_signal[id].m_tx_bck_sig, false); + i2s_gpio_check_and_set(gpio_cfg->ws, i2s_periph_signal[id].m_tx_ws_sig, false, gpio_cfg->invert_flags.ws_inv); + i2s_gpio_check_and_set(gpio_cfg->bclk, i2s_periph_signal[id].m_tx_bck_sig, false, gpio_cfg->invert_flags.bclk_inv); } } /* Update the mode info: gpio configuration */ - i2s_std_config_t *std_cfg = (i2s_std_config_t*)(handle->mode_info); memcpy(&(std_cfg->gpio_cfg), gpio_cfg, sizeof(i2s_std_gpio_config_t)); return ESP_OK; } -esp_err_t i2s_init_std_channel(i2s_chan_handle_t handle, const i2s_std_config_t *std_cfg) +esp_err_t i2s_channel_init_std_mode(i2s_chan_handle_t handle, const i2s_std_config_t *std_cfg) { +#if CONFIG_I2S_ENABLE_DEBUG_LOG + esp_log_level_set(TAG, ESP_LOG_DEBUG); +#endif I2S_NULL_POINTER_CHECK(TAG, handle); esp_err_t ret = ESP_OK; @@ -208,11 +212,11 @@ esp_err_t i2s_init_std_channel(i2s_chan_handle_t handle, const i2s_std_config_t ESP_GOTO_ON_FALSE(handle->mode_info, ESP_ERR_NO_MEM, err, TAG, "no memory for storing the configurations"); ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_REGISTER, ESP_ERR_INVALID_STATE, err, TAG, "the channel has initialized already"); ESP_GOTO_ON_ERROR(i2s_std_set_gpio(handle, &std_cfg->gpio_cfg), err, TAG, "initialize channel failed while setting gpio pins"); - /* i2s_set_slot should be called before i2s_set_clock while initializing, because clock is relay on the slot */ + /* i2s_set_std_slot should be called before i2s_set_std_clock while initializing, because clock is relay on the slot */ ESP_GOTO_ON_ERROR(i2s_std_set_slot(handle, &std_cfg->slot_cfg), err, TAG, "initialize channel failed while setting slot"); #if SOC_I2S_SUPPORTS_APLL /* Enable APLL and acquire its lock when the clock source is APLL */ - if (std_cfg->clk_cfg.clk_src == I2S_CLK_APLL) { + if (std_cfg->clk_cfg.clk_src == I2S_CLK_SRC_APLL) { periph_rtc_apll_acquire(); handle->apll_en = true; } @@ -222,14 +226,24 @@ esp_err_t i2s_init_std_channel(i2s_chan_handle_t handle, const i2s_std_config_t #if SOC_I2S_HW_VERSION_2 /* Enable clock to start outputting mclk signal. Some codecs will reset once mclk stop */ if (handle->dir == I2S_DIR_TX) { - i2s_ll_tx_enable_std(handle->parent->hal.dev); - i2s_ll_tx_enable_clock(handle->parent->hal.dev); + i2s_ll_tx_enable_std(handle->controller->hal.dev); + i2s_ll_tx_enable_clock(handle->controller->hal.dev); } else { - i2s_ll_rx_enable_std(handle->parent->hal.dev); - i2s_ll_rx_enable_clock(handle->parent->hal.dev); + i2s_ll_rx_enable_std(handle->controller->hal.dev); + i2s_ll_rx_enable_clock(handle->controller->hal.dev); } #endif +#ifdef CONFIG_PM_ENABLE + esp_pm_lock_type_t pm_type = ESP_PM_APB_FREQ_MAX; +#if SOC_I2S_SUPPORTS_APLL + if (std_cfg->clk_cfg.clk_src == I2S_CLK_SRC_APLL) { + pm_type = ESP_PM_NO_LIGHT_SLEEP; + } +#endif // SOC_I2S_SUPPORTS_APLL + ESP_RETURN_ON_ERROR(esp_pm_lock_create(pm_type, 0, "i2s_driver", &handle->pm_lock), TAG, "I2S pm lock create failed"); +#endif + /* Initialization finished, mark state as ready */ handle->state = I2S_CHAN_STATE_READY; xSemaphoreGive(handle->mutex); @@ -240,7 +254,7 @@ err: return ret; } -esp_err_t i2s_reconfig_std_clock(i2s_chan_handle_t handle, const i2s_std_clk_config_t *clk_cfg) +esp_err_t i2s_channel_reconfig_std_clock(i2s_chan_handle_t handle, const i2s_std_clk_config_t *clk_cfg) { I2S_NULL_POINTER_CHECK(TAG, handle); I2S_NULL_POINTER_CHECK(TAG, clk_cfg); @@ -249,24 +263,39 @@ esp_err_t i2s_reconfig_std_clock(i2s_chan_handle_t handle, const i2s_std_clk_con xSemaphoreTake(handle->mutex, portMAX_DELAY); ESP_GOTO_ON_FALSE(handle->mode == I2S_COMM_MODE_STD, ESP_ERR_INVALID_ARG, err, TAG, "this handle is not working in standard moded"); - ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "invalid state, I2S should be stopped before reconfiguring the clock"); + ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "invalid state, I2S should be disabled before reconfiguring the clock"); + + i2s_std_config_t *std_cfg = (i2s_std_config_t *)handle->mode_info; + ESP_GOTO_ON_FALSE(std_cfg, ESP_ERR_INVALID_STATE, err, TAG, "initialization not complete"); #if SOC_I2S_SUPPORTS_APLL - i2s_std_config_t *std_cfg = (i2s_std_config_t*)handle->mode_info; - ESP_GOTO_ON_FALSE(std_cfg, ESP_ERR_INVALID_STATE, err, TAG, "initialization not complete"); /* Enable APLL and acquire its lock when the clock source is changed to APLL */ - if (clk_cfg->clk_src == I2S_CLK_APLL && std_cfg->clk_cfg.clk_src == I2S_CLK_PLL_160M) { + if (clk_cfg->clk_src == I2S_CLK_SRC_APLL && std_cfg->clk_cfg.clk_src != I2S_CLK_SRC_APLL) { periph_rtc_apll_acquire(); handle->apll_en = true; } /* Disable APLL and release its lock when clock source is changed to 160M_PLL */ - if (clk_cfg->clk_src == I2S_CLK_PLL_160M && std_cfg->clk_cfg.clk_src == I2S_CLK_APLL) { + if (clk_cfg->clk_src != I2S_CLK_SRC_APLL && std_cfg->clk_cfg.clk_src == I2S_CLK_SRC_APLL) { periph_rtc_apll_release(); handle->apll_en = false; } #endif ESP_GOTO_ON_ERROR(i2s_std_set_clock(handle, clk_cfg), err, TAG, "update clock failed"); +#ifdef CONFIG_PM_ENABLE + // Create/Re-create power management lock + if (std_cfg->clk_cfg.clk_src != clk_cfg->clk_src) { + ESP_GOTO_ON_ERROR(esp_pm_lock_delete(handle->pm_lock), err, TAG, "I2S delete old pm lock failed"); + esp_pm_lock_type_t pm_type = ESP_PM_APB_FREQ_MAX; +#if SOC_I2S_SUPPORTS_APLL + if (clk_cfg->clk_src == I2S_CLK_SRC_APLL) { + pm_type = ESP_PM_NO_LIGHT_SLEEP; + } +#endif // SOC_I2S_SUPPORTS_APLL + ESP_GOTO_ON_ERROR(esp_pm_lock_create(pm_type, 0, "i2s_driver", &handle->pm_lock), err, TAG, "I2S pm lock create failed"); + } +#endif //CONFIG_PM_ENABLE + xSemaphoreGive(handle->mutex); return ESP_OK; @@ -275,7 +304,7 @@ err: return ret; } -esp_err_t i2s_reconfig_std_slot(i2s_chan_handle_t handle, const i2s_std_slot_config_t *slot_cfg) +esp_err_t i2s_channel_reconfig_std_slot(i2s_chan_handle_t handle, const i2s_std_slot_config_t *slot_cfg) { I2S_NULL_POINTER_CHECK(TAG, handle); I2S_NULL_POINTER_CHECK(TAG, slot_cfg); @@ -284,9 +313,9 @@ esp_err_t i2s_reconfig_std_slot(i2s_chan_handle_t handle, const i2s_std_slot_con xSemaphoreTake(handle->mutex, portMAX_DELAY); ESP_GOTO_ON_FALSE(handle->mode == I2S_COMM_MODE_STD, ESP_ERR_INVALID_ARG, err, TAG, "this handle is not working in standard moded"); - ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "invalid state, I2S should be stopped before reconfiguring the slot"); + ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "invalid state, I2S should be disabled before reconfiguring the slot"); - i2s_std_config_t *std_cfg = (i2s_std_config_t*)handle->mode_info; + i2s_std_config_t *std_cfg = (i2s_std_config_t *)handle->mode_info; ESP_GOTO_ON_FALSE(std_cfg, ESP_ERR_INVALID_STATE, err, TAG, "initialization not complete"); ESP_GOTO_ON_ERROR(i2s_std_set_slot(handle, slot_cfg), err, TAG, "set i2s standard slot failed"); @@ -305,7 +334,7 @@ err: return ret; } -esp_err_t i2s_reconfig_std_gpio(i2s_chan_handle_t handle, const i2s_std_gpio_config_t *gpio_cfg) +esp_err_t i2s_channel_reconfig_std_gpio(i2s_chan_handle_t handle, const i2s_std_gpio_config_t *gpio_cfg) { I2S_NULL_POINTER_CHECK(TAG, handle); I2S_NULL_POINTER_CHECK(TAG, gpio_cfg); @@ -314,7 +343,7 @@ esp_err_t i2s_reconfig_std_gpio(i2s_chan_handle_t handle, const i2s_std_gpio_con xSemaphoreTake(handle->mutex, portMAX_DELAY); ESP_GOTO_ON_FALSE(handle->mode == I2S_COMM_MODE_STD, ESP_ERR_INVALID_ARG, err, TAG, "This handle is not working in standard moded"); - ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "Invalid state, I2S should be stopped before reconfiguring the gpio"); + ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "Invalid state, I2S should be disabled before reconfiguring the gpio"); ESP_GOTO_ON_ERROR(i2s_std_set_gpio(handle, gpio_cfg), err, TAG, "set i2s standard slot failed"); xSemaphoreGive(handle->mutex); diff --git a/components/driver/i2s/i2s_tdm.c b/components/driver/i2s/i2s_tdm.c index 9245a08261..ce7a12522d 100644 --- a/components/driver/i2s/i2s_tdm.c +++ b/components/driver/i2s/i2s_tdm.c @@ -5,8 +5,17 @@ */ #include + #include "freertos/FreeRTOS.h" #include "freertos/semphr.h" +#include "sdkconfig.h" + +#if CONFIG_I2S_ENABLE_DEBUG_LOG +// The local log level must be defined before including esp_log.h +// Set the maximum log level for this source file +#define LOG_LOCAL_LEVEL ESP_LOG_DEBUG +#endif + #include "hal/i2s_hal.h" #include "driver/gpio.h" #include "driver/i2s_tdm.h" @@ -15,7 +24,7 @@ #include "esp_intr_alloc.h" #include "esp_check.h" -const static char *TAG = "I2S_TDM"; +const static char *TAG = "i2s_tdm"; // Same with standard mode except total slot number static esp_err_t i2s_tdm_calculate_clock(i2s_chan_handle_t handle, const i2s_tdm_clk_config_t *clk_cfg, i2s_hal_clock_info_t *clk_info) @@ -38,7 +47,7 @@ static esp_err_t i2s_tdm_calculate_clock(i2s_chan_handle_t handle, const i2s_tdm clk_info->mclk = clk_info->bclk * clk_info->bclk_div; } #if SOC_I2S_SUPPORTS_APLL - clk_info->sclk = clk_cfg->clk_src == I2S_CLK_PLL_160M ? I2S_LL_BASE_CLK : i2s_set_get_apll_freq(clk_info->mclk); + clk_info->sclk = clk_cfg->clk_src == I2S_CLK_SRC_APLL ? i2s_set_get_apll_freq(clk_info->mclk) : I2S_LL_BASE_CLK; #else clk_info->sclk = I2S_LL_BASE_CLK; #endif @@ -55,37 +64,20 @@ static esp_err_t i2s_tdm_set_clock(i2s_chan_handle_t handle, const i2s_tdm_clk_c esp_err_t ret = ESP_OK; i2s_tdm_config_t *tdm_cfg = (i2s_tdm_config_t *)(handle->mode_info); - /* If Power Management enabled, a PM lock will be created when there is no PM lock or clock source changed */ -#ifdef CONFIG_PM_ENABLE - // Create/Re-create power management lock - if (handle->pm_lock == NULL || tdm_cfg->clk_cfg.clk_src != clk_cfg->clk_src) { - if (handle->pm_lock) { - ESP_RETURN_ON_ERROR(esp_pm_lock_delete(handle->pm_lock), TAG, "I2S delete old pm lock failed"); - } - esp_pm_lock_type_t pm_type = ESP_PM_APB_FREQ_MAX; -#if SOC_I2S_SUPPORTS_APLL - if (clk_cfg->clk_src == I2S_CLK_APLL) { - pm_type = ESP_PM_NO_LIGHT_SLEEP; - } -#endif // SOC_I2S_SUPPORTS_APLL - ESP_RETURN_ON_ERROR(esp_pm_lock_create(pm_type, 0, "i2s_driver", &handle->pm_lock), err, TAG, "I2S pm lock create failed"); - } -#endif //CONFIG_PM_ENABLE - i2s_hal_clock_info_t clk_info; /* Calculate clock parameters */ ESP_RETURN_ON_ERROR(i2s_tdm_calculate_clock(handle, clk_cfg, &clk_info), TAG, "clock calculate failed"); ESP_LOGD(TAG, "Clock division info: [sclk] %d Hz [mdiv] %d [mclk] %d Hz [bdiv] %d [bclk] %d Hz", - clk_info.sclk, clk_info.mclk_div, clk_info.mclk, clk_info.bclk_div, clk_info.bclk); + clk_info.sclk, clk_info.mclk_div, clk_info.mclk, clk_info.bclk_div, clk_info.bclk); - portENTER_CRITICAL(&s_i2s.spinlock); + portENTER_CRITICAL(&g_i2s.spinlock); /* Set clock configurations in HAL*/ if (handle->dir == I2S_DIR_TX) { - i2s_hal_set_tx_clock(&handle->parent->hal, &clk_info, clk_cfg->clk_src); + i2s_hal_set_tx_clock(&handle->controller->hal, &clk_info, clk_cfg->clk_src); } else { - i2s_hal_set_rx_clock(&handle->parent->hal, &clk_info, clk_cfg->clk_src); + i2s_hal_set_rx_clock(&handle->controller->hal, &clk_info, clk_cfg->clk_src); } - portEXIT_CRITICAL(&s_i2s.spinlock); + portEXIT_CRITICAL(&g_i2s.spinlock); /* Update the mode info: clock configuration */ memcpy(&(tdm_cfg->clk_cfg), clk_cfg, sizeof(i2s_tdm_clk_config_t)); @@ -111,28 +103,28 @@ static esp_err_t i2s_tdm_set_slot(i2s_chan_handle_t handle, const i2s_tdm_slot_c } bool is_slave = handle->role == I2S_ROLE_SLAVE; /* Share bck and ws signal in full-duplex mode */ - if (handle->parent->full_duplex) { - i2s_ll_share_bck_ws(handle->parent->hal.dev, true); + if (handle->controller->full_duplex) { + i2s_ll_share_bck_ws(handle->controller->hal.dev, true); /* Since bck and ws are shared, only tx or rx can be master Force to set rx as slave to avoid conflict of clock signal */ if (handle->dir == I2S_DIR_RX) { is_slave = true; } } else { - i2s_ll_share_bck_ws(handle->parent->hal.dev, false); + i2s_ll_share_bck_ws(handle->controller->hal.dev, false); } - portENTER_CRITICAL(&s_i2s.spinlock); + portENTER_CRITICAL(&g_i2s.spinlock); /* Configure the hardware to apply TDM format */ if (handle->dir == I2S_DIR_TX) { - i2s_hal_tdm_set_tx_slot(&(handle->parent->hal), is_slave, (i2s_hal_slot_config_t*)slot_cfg); + i2s_hal_tdm_set_tx_slot(&(handle->controller->hal), is_slave, (i2s_hal_slot_config_t *)slot_cfg); } else { - i2s_hal_tdm_set_rx_slot(&(handle->parent->hal), is_slave, (i2s_hal_slot_config_t*)slot_cfg); + i2s_hal_tdm_set_rx_slot(&(handle->controller->hal), is_slave, (i2s_hal_slot_config_t *)slot_cfg); } - portEXIT_CRITICAL(&s_i2s.spinlock); + portEXIT_CRITICAL(&g_i2s.spinlock); /* Update the mode info: slot configuration */ - i2s_tdm_config_t *tdm_cfg = (i2s_tdm_config_t*)(handle->mode_info); + i2s_tdm_config_t *tdm_cfg = (i2s_tdm_config_t *)(handle->mode_info); memcpy(&(tdm_cfg->slot_cfg), slot_cfg, sizeof(i2s_tdm_slot_config_t)); return ESP_OK; @@ -140,65 +132,67 @@ static esp_err_t i2s_tdm_set_slot(i2s_chan_handle_t handle, const i2s_tdm_slot_c static esp_err_t i2s_tdm_set_gpio(i2s_chan_handle_t handle, const i2s_tdm_gpio_config_t *gpio_cfg) { - int id = handle->parent->id; + int id = handle->controller->id; /* Check validity of selected pins */ ESP_RETURN_ON_FALSE((gpio_cfg->bclk == -1 || GPIO_IS_VALID_GPIO(gpio_cfg->bclk)), ESP_ERR_INVALID_ARG, TAG, "bclk invalid"); ESP_RETURN_ON_FALSE((gpio_cfg->ws == -1 || GPIO_IS_VALID_GPIO(gpio_cfg->ws)), ESP_ERR_INVALID_ARG, TAG, "ws invalid"); - if (handle->dir == I2S_DIR_TX) { - /* Set data output GPIO */ - i2s_gpio_check_and_set(gpio_cfg->dout, i2s_periph_signal[id].data_out_sig, false); - } else { - /* Set data input GPIO */ - i2s_gpio_check_and_set(gpio_cfg->din, i2s_periph_signal[id].data_in_sig, true); - } /* Loopback if dout = din */ if (gpio_cfg->dout != -1 && gpio_cfg->dout == gpio_cfg->din) { - gpio_set_direction(gpio_cfg->dout, GPIO_MODE_INPUT_OUTPUT); + i2s_gpio_loopback_set(gpio_cfg->dout, i2s_periph_signal[id].data_out_sig, i2s_periph_signal[id].data_in_sig); + } else if (handle->dir == I2S_DIR_TX) { + /* Set data output GPIO */ + i2s_gpio_check_and_set(gpio_cfg->dout, i2s_periph_signal[id].data_out_sig, false, false); + } else { + /* Set data input GPIO */ + i2s_gpio_check_and_set(gpio_cfg->din, i2s_periph_signal[id].data_in_sig, true, false); } if (handle->role == I2S_ROLE_SLAVE) { /* For "tx + slave" mode, select TX signal index for ws and bck */ - if (handle->dir == I2S_DIR_TX && !handle->parent->full_duplex) { + if (handle->dir == I2S_DIR_TX && !handle->controller->full_duplex) { #if SOC_I2S_HW_VERSION_2 - i2s_ll_mclk_bind_to_tx_clk(handle->parent->hal.dev); + i2s_ll_mclk_bind_to_tx_clk(handle->controller->hal.dev); #endif - i2s_gpio_check_and_set(gpio_cfg->ws, i2s_periph_signal[id].s_tx_ws_sig, true); - i2s_gpio_check_and_set(gpio_cfg->bclk, i2s_periph_signal[id].s_tx_bck_sig, true); - /* For "tx + rx + slave" or "rx + slave" mode, select RX signal index for ws and bck */ + i2s_gpio_check_and_set(gpio_cfg->ws, i2s_periph_signal[id].s_tx_ws_sig, true, gpio_cfg->invert_flags.ws_inv); + i2s_gpio_check_and_set(gpio_cfg->bclk, i2s_periph_signal[id].s_tx_bck_sig, true, gpio_cfg->invert_flags.bclk_inv); + /* For "tx + rx + slave" or "rx + slave" mode, select RX signal index for ws and bck */ } else { - i2s_gpio_check_and_set(gpio_cfg->ws, i2s_periph_signal[id].s_rx_ws_sig, true); - i2s_gpio_check_and_set(gpio_cfg->bclk, i2s_periph_signal[id].s_rx_bck_sig, true); + i2s_gpio_check_and_set(gpio_cfg->ws, i2s_periph_signal[id].s_rx_ws_sig, true, gpio_cfg->invert_flags.ws_inv); + i2s_gpio_check_and_set(gpio_cfg->bclk, i2s_periph_signal[id].s_rx_bck_sig, true, gpio_cfg->invert_flags.bclk_inv); } } else { /* mclk only available in master mode */ - ESP_RETURN_ON_ERROR(i2s_check_set_mclk(id, handle->parent->mclk), TAG, "mclk config failed"); + ESP_RETURN_ON_ERROR(i2s_check_set_mclk(id, gpio_cfg->mclk, false, gpio_cfg->invert_flags.mclk_inv), TAG, "mclk config failed"); /* For "rx + master" mode, select RX signal index for ws and bck */ - if (handle->dir == I2S_DIR_RX && !handle->parent->full_duplex) { + if (handle->dir == I2S_DIR_RX && !handle->controller->full_duplex) { #if SOC_I2S_HW_VERSION_2 - i2s_ll_mclk_bind_to_rx_clk(handle->parent->hal.dev); + i2s_ll_mclk_bind_to_rx_clk(handle->controller->hal.dev); #endif - i2s_gpio_check_and_set(gpio_cfg->ws, i2s_periph_signal[id].m_rx_ws_sig, false); - i2s_gpio_check_and_set(gpio_cfg->bclk, i2s_periph_signal[id].m_rx_bck_sig, false); - /* For "tx + rx + master" or "tx + master" mode, select TX signal index for ws and bck */ + i2s_gpio_check_and_set(gpio_cfg->ws, i2s_periph_signal[id].m_rx_ws_sig, false, gpio_cfg->invert_flags.ws_inv); + i2s_gpio_check_and_set(gpio_cfg->bclk, i2s_periph_signal[id].m_rx_bck_sig, false, gpio_cfg->invert_flags.bclk_inv); + /* For "tx + rx + master" or "tx + master" mode, select TX signal index for ws and bck */ } else { - i2s_gpio_check_and_set(gpio_cfg->ws, i2s_periph_signal[id].m_tx_ws_sig, false); - i2s_gpio_check_and_set(gpio_cfg->bclk, i2s_periph_signal[id].m_tx_bck_sig, false); + i2s_gpio_check_and_set(gpio_cfg->ws, i2s_periph_signal[id].m_tx_ws_sig, false, gpio_cfg->invert_flags.ws_inv); + i2s_gpio_check_and_set(gpio_cfg->bclk, i2s_periph_signal[id].m_tx_bck_sig, false, gpio_cfg->invert_flags.bclk_inv); } } /* Update the mode info: gpio configuration */ - i2s_tdm_config_t *tdm_cfg = (i2s_tdm_config_t*)(handle->mode_info); + i2s_tdm_config_t *tdm_cfg = (i2s_tdm_config_t *)(handle->mode_info); memcpy(&(tdm_cfg->gpio_cfg), gpio_cfg, sizeof(i2s_tdm_gpio_config_t)); return ESP_OK; } -esp_err_t i2s_init_tdm_channel(i2s_chan_handle_t handle, const i2s_tdm_config_t *tdm_cfg) +esp_err_t i2s_channel_init_tdm_mode(i2s_chan_handle_t handle, const i2s_tdm_config_t *tdm_cfg) { +#if CONFIG_I2S_ENABLE_DEBUG_LOG + esp_log_level_set(TAG, ESP_LOG_DEBUG); +#endif I2S_NULL_POINTER_CHECK(TAG, handle); esp_err_t ret = ESP_OK; @@ -212,28 +206,37 @@ esp_err_t i2s_init_tdm_channel(i2s_chan_handle_t handle, const i2s_tdm_config_t handle->mode_info = calloc(1, sizeof(i2s_tdm_config_t)); ESP_GOTO_ON_FALSE(handle->mode_info, ESP_ERR_NO_MEM, err, TAG, "no memory for storing the configurations"); ESP_GOTO_ON_ERROR(i2s_tdm_set_gpio(handle, &tdm_cfg->gpio_cfg), err, TAG, "initialize channel failed while setting gpio pins"); - /* i2s_set_slot should be called before i2s_set_clock while initializing, because clock is relay on the slot */ + /* i2s_set_tdm_slot should be called before i2s_set_tdm_clock while initializing, because clock is relay on the slot */ ESP_GOTO_ON_ERROR(i2s_tdm_set_slot(handle, &tdm_cfg->slot_cfg), err, TAG, "initialize channel failed while setting slot"); #if SOC_I2S_SUPPORTS_APLL /* Enable APLL and acquire its lock when the clock source is APLL */ - if (tdm_cfg->clk_cfg.clk_src == I2S_CLK_APLL) { + if (tdm_cfg->clk_cfg.clk_src == I2S_CLK_SRC_APLL) { periph_rtc_apll_acquire(); handle->apll_en = true; } +#endif ESP_GOTO_ON_ERROR(i2s_tdm_set_clock(handle, &tdm_cfg->clk_cfg), err, TAG, "initialize channel failed while setting clock"); ESP_GOTO_ON_ERROR(i2s_init_dma_intr(handle, ESP_INTR_FLAG_LEVEL1), err, TAG, "initialize dma interrupt failed"); -#endif #if SOC_I2S_HW_VERSION_2 /* Enable clock to start outputting mclk signal. Some codecs will reset once mclk stop */ if (handle->dir == I2S_DIR_TX) { - i2s_ll_tx_enable_tdm(handle->parent->hal.dev); - i2s_ll_tx_enable_clock(handle->parent->hal.dev); + i2s_ll_tx_enable_tdm(handle->controller->hal.dev); + i2s_ll_tx_enable_clock(handle->controller->hal.dev); } else { - i2s_ll_rx_enable_tdm(handle->parent->hal.dev); - i2s_ll_rx_enable_clock(handle->parent->hal.dev); + i2s_ll_rx_enable_tdm(handle->controller->hal.dev); + i2s_ll_rx_enable_clock(handle->controller->hal.dev); } #endif +#ifdef CONFIG_PM_ENABLE + esp_pm_lock_type_t pm_type = ESP_PM_APB_FREQ_MAX; +#if SOC_I2S_SUPPORTS_APLL + if (tdm_cfg->clk_cfg.clk_src == I2S_CLK_SRC_APLL) { + pm_type = ESP_PM_NO_LIGHT_SLEEP; + } +#endif // SOC_I2S_SUPPORTS_APLL + ESP_RETURN_ON_ERROR(esp_pm_lock_create(pm_type, 0, "i2s_driver", &handle->pm_lock), TAG, "I2S pm lock create failed"); +#endif /* Initialization finished, mark state as ready */ handle->state = I2S_CHAN_STATE_READY; @@ -245,7 +248,7 @@ err: return ret; } -esp_err_t i2s_reconfig_tdm_clock(i2s_chan_handle_t handle, const i2s_tdm_clk_config_t *clk_cfg) +esp_err_t i2s_channel_reconfig_tdm_clock(i2s_chan_handle_t handle, const i2s_tdm_clk_config_t *clk_cfg) { I2S_NULL_POINTER_CHECK(TAG, handle); I2S_NULL_POINTER_CHECK(TAG, clk_cfg); @@ -254,24 +257,39 @@ esp_err_t i2s_reconfig_tdm_clock(i2s_chan_handle_t handle, const i2s_tdm_clk_con xSemaphoreTake(handle->mutex, portMAX_DELAY); ESP_GOTO_ON_FALSE(handle->mode == I2S_COMM_MODE_TDM, ESP_ERR_INVALID_ARG, err, TAG, "this handle is not working in standard moded"); - ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "invalid state, I2S should be stopped before reconfiguring the clock"); + ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "invalid state, I2S should be disabled before reconfiguring the clock"); + i2s_tdm_config_t *tdm_cfg = (i2s_tdm_config_t *)handle->mode_info; + ESP_GOTO_ON_FALSE(tdm_cfg, ESP_ERR_INVALID_STATE, err, TAG, "initialization not complete"); #if SOC_I2S_SUPPORTS_APLL - i2s_tdm_config_t *tdm_cfg = (i2s_tdm_config_t*)handle->mode_info; - ESP_GOTO_ON_FALSE(tdm_cfg, ESP_ERR_INVALID_STATE, err, TAG, "initialization not complete"); /* Enable APLL and acquire its lock when the clock source is changed to APLL */ - if (clk_cfg->clk_src == I2S_CLK_APLL && clk_cfg->clk_cfg.clk_src == I2S_CLK_PLL_160M) { + if (clk_cfg->clk_src == I2S_CLK_SRC_APLL && clk_cfg->clk_cfg.clk_src != I2S_CLK_SRC_APLL) { periph_rtc_apll_acquire(); handle->apll_en = true; } /* Disable APLL and release its lock when clock source is changed to 160M_PLL */ - if (clk_cfg->clk_src == I2S_CLK_PLL_160M && clk_cfg->clk_cfg.clk_src == I2S_CLK_APLL) { + if (clk_cfg->clk_src != I2S_CLK_SRC_APLL && clk_cfg->clk_cfg.clk_src == I2S_CLK_SRC_APLL) { periph_rtc_apll_release(); handle->apll_en = false; } #endif ESP_GOTO_ON_ERROR(i2s_tdm_set_clock(handle, clk_cfg), err, TAG, "update clock failed"); + +#ifdef CONFIG_PM_ENABLE + // Create/Re-create power management lock + if (tdm_cfg->clk_cfg.clk_src != clk_cfg->clk_src) { + ESP_GOTO_ON_ERROR(esp_pm_lock_delete(handle->pm_lock), err, TAG, "I2S delete old pm lock failed"); + esp_pm_lock_type_t pm_type = ESP_PM_APB_FREQ_MAX; +#if SOC_I2S_SUPPORTS_APLL + if (clk_cfg->clk_src == I2S_CLK_SRC_APLL) { + pm_type = ESP_PM_NO_LIGHT_SLEEP; + } +#endif // SOC_I2S_SUPPORTS_APLL + ESP_GOTO_ON_ERROR(esp_pm_lock_create(pm_type, 0, "i2s_driver", &handle->pm_lock), err, TAG, "I2S pm lock create failed"); + } +#endif //CONFIG_PM_ENABLE + xSemaphoreGive(handle->mutex); return ESP_OK; @@ -280,7 +298,7 @@ err: return ret; } -esp_err_t i2s_reconfig_tdm_slot(i2s_chan_handle_t handle, const i2s_tdm_slot_config_t *slot_cfg) +esp_err_t i2s_channel_reconfig_tdm_slot(i2s_chan_handle_t handle, const i2s_tdm_slot_config_t *slot_cfg) { I2S_NULL_POINTER_CHECK(TAG, handle); I2S_NULL_POINTER_CHECK(TAG, slot_cfg); @@ -289,9 +307,9 @@ esp_err_t i2s_reconfig_tdm_slot(i2s_chan_handle_t handle, const i2s_tdm_slot_con xSemaphoreTake(handle->mutex, portMAX_DELAY); ESP_GOTO_ON_FALSE(handle->mode == I2S_COMM_MODE_TDM, ESP_ERR_INVALID_ARG, err, TAG, "this handle is not working in standard moded"); - ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "invalid state, I2S should be stopped before reconfiguring the slot"); + ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "invalid state, I2S should be disabled before reconfiguring the slot"); - i2s_tdm_config_t *tdm_cfg = (i2s_tdm_config_t*)handle->mode_info; + i2s_tdm_config_t *tdm_cfg = (i2s_tdm_config_t *)handle->mode_info; ESP_GOTO_ON_FALSE(tdm_cfg, ESP_ERR_INVALID_STATE, err, TAG, "initialization not complete"); ESP_GOTO_ON_ERROR(i2s_tdm_set_slot(handle, slot_cfg), err, TAG, "set i2s standard slot failed"); @@ -301,6 +319,10 @@ esp_err_t i2s_reconfig_tdm_slot(i2s_chan_handle_t handle, const i2s_tdm_slot_con if (tdm_cfg->slot_cfg.slot_bit_width == slot_bits) { ESP_GOTO_ON_ERROR(i2s_tdm_set_clock(handle, &tdm_cfg->clk_cfg), err, TAG, "update clock failed"); } + + /* Reset queue */ + xQueueReset(handle->msg_queue); + xSemaphoreGive(handle->mutex); return ESP_OK; @@ -309,7 +331,7 @@ err: return ret; } -esp_err_t i2s_reconfig_tdm_gpio(i2s_chan_handle_t handle, const i2s_tdm_gpio_config_t *gpio_cfg) +esp_err_t i2s_channel_reconfig_tdm_gpio(i2s_chan_handle_t handle, const i2s_tdm_gpio_config_t *gpio_cfg) { I2S_NULL_POINTER_CHECK(TAG, handle); I2S_NULL_POINTER_CHECK(TAG, gpio_cfg); @@ -318,7 +340,7 @@ esp_err_t i2s_reconfig_tdm_gpio(i2s_chan_handle_t handle, const i2s_tdm_gpio_con xSemaphoreTake(handle->mutex, portMAX_DELAY); ESP_GOTO_ON_FALSE(handle->mode == I2S_COMM_MODE_TDM, ESP_ERR_INVALID_ARG, err, TAG, "This handle is not working in standard moded"); - ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "Invalid state, I2S should be stopped before reconfiguring the gpio"); + ESP_GOTO_ON_FALSE(handle->state == I2S_CHAN_STATE_READY, ESP_ERR_INVALID_STATE, err, TAG, "Invalid state, I2S should be disabled before reconfiguring the gpio"); ESP_GOTO_ON_ERROR(i2s_tdm_set_gpio(handle, gpio_cfg), err, TAG, "set i2s standard slot failed"); xSemaphoreGive(handle->mutex); diff --git a/components/driver/include/driver/i2s_common.h b/components/driver/include/driver/i2s_common.h index b4f637c751..f68f54814c 100644 --- a/components/driver/include/driver/i2s_common.h +++ b/components/driver/include/driver/i2s_common.h @@ -6,9 +6,7 @@ #pragma once -#include "freertos/FreeRTOS.h" -#include "freertos/queue.h" - +#include "driver/i2s_types.h" #include "hal/i2s_types.h" #include "esp_types.h" @@ -18,12 +16,6 @@ extern "C" { #endif -#ifdef I2S_DRIVER_SELECTED - #error "Only one set of APIs is allowed to use" -#else - #define I2S_DRIVER_SELECTED -#endif - /** * @brief get default I2S property */ @@ -37,47 +29,82 @@ extern "C" { #define I2S_GPIO_UNUSED GPIO_NUM_NC /*!< Used in i2s_gpio_config_t for signals which are not used */ +/** + * @brief Group of I2S callbacks + * @note The callbacks are all running under ISR environment + * @note When CONFIG_I2S_ISR_IRAM_SAFE is enabled, the callback itself and functions called by it should be placed in IRAM. + * The variables used in the function should be in the SRAM as well. + */ +typedef struct { + i2s_isr_callback_t on_recv; /**< Callback of data received event, only for rx channel + * The event data includes DMA buffer address and size that just finished receiving data + */ + i2s_isr_callback_t on_recv_q_ovf; /**< Callback of receiving queue overflowed event, only for rx channel + * The event data includes buffer size that has been overwritten + */ + i2s_isr_callback_t on_sent; /**< Callback of data sent event, only for tx channel + * The event data includes DMA buffer address and size that just finished sending data + */ + i2s_isr_callback_t on_send_q_ovf; /**< Callback of sending queue overflowed evnet, only for tx channel + * The event data includes buffer size that has been overwritten + */ +} i2s_event_callbacks_t; + /** * @brief I2S controller channel configuration */ typedef struct { - i2s_port_t id; /*!< I2S port id */ - i2s_role_t role; /*!< I2S role, I2S_ROLE_MASTER or I2S_ROLE_SLAVE */ + i2s_port_t id; /*!< I2S port id */ + i2s_role_t role; /*!< I2S role, I2S_ROLE_MASTER or I2S_ROLE_SLAVE */ /* DMA configurations */ uint32_t dma_desc_num; /*!< I2S DMA buffer number, it is also the number of DMA descriptor */ uint32_t dma_frame_num; /*!< I2S frame number in one DMA buffer. One frame means one-time sample data in all slots */ - bool auto_clear; /*!< Set to auto clear DMA TX descriptor, i2s will always send zero automatically if no data to send */ + bool auto_clear; /*!< Set to auto clear DMA TX buffer, i2s will always send zero automatically if no data to send */ } i2s_chan_config_t; /** - * @brief Allocate a new i2s channel - * @note The new i2s channel handle will at REGISTERED state after it is allocated successfully. - * @note When the port id in channel configuration is I2S_NUM_AUTO, driver will allocate i2s port automatically - * Otherwise driver will try to allocate the new channel on the selected port. - * @note If both tx_handle and rx_handle are not NULL, it means this I2S port will work at duplex mode, - * and these rx and tx channel will be allocated on a same I2S port as well. - * Note that tx/rx channel will be affected by each other on ESP32 and ESP32S2, - * so please make sure them are working in same condition and have same status(start/stop). - * @note If tx_handle or rx_handle is NULL, it means this I2S port will work at simplex mode, - * For ESP32 and ESP32S2, the whole I2S port will be occupied as well even if only simplex is working. - * For the other targets, another channel on this port will still available. + * @brief I2S channel information + */ +typedef struct { + i2s_port_t id; /*!< I2S port id */ + i2s_role_t role; /*!< I2S role, I2S_ROLE_MASTER or I2S_ROLE_SLAVE */ + i2s_dir_t dir; /*!< I2S channel direction */ + i2s_comm_mode_t mode; /*!< I2S channel communication mode */ + i2s_chan_handle_t pair_chan; /*!< I2S pair channel handle in duplex mode, always NULL in simplex mode */ +} i2s_chan_info_t; + +/** + * @brief Allocate new I2S channel(s) + * @note The new created I2S channel handle will be REGISTERED state after it is allocated successfully. + * @note When the port id in channel configuration is I2S_NUM_AUTO, driver will allocate I2S port automatically + * on one of the i2s controller, otherwise driver will try to allocate the new channel on the selected port. + * @note If both tx_handle and rx_handle are not NULL, it means this I2S controller will work at full-duplex mode, + * the rx and tx channels will be allocated on a same I2S port in this case. + * Note that some configurations of tx/rx channel are shared on ESP32 and ESP32S2, + * so please make sure they are working at same condition and under same status(start/stop). + * Currently, full-duplex mode can't guarantee tx/rx channels write/read synchronously, + * they can only share the clock signals for now. + * @note If tx_handle OR rx_handle is NULL, it means this I2S controller will work at simplex mode. + * For ESP32 and ESP32S2, the whole I2S controller (i.e. both rx and tx channel) will be occupied, + * even if only one of rx or tx channel is registered. + * For the other targets, another channel on this controller will still available. * * @param[in] chan_cfg I2S controller channel configurations - * @param[out] tx_handle I2S channel handler used for managing the sending channel(optional) - * @param[out] rx_handle I2S channel handler used for managing the receiving channel(optional) + * @param[out] ret_tx_handle I2S channel handler used for managing the sending channel(optional) + * @param[out] ret_rx_handle I2S channel handler used for managing the receiving channel(optional) * @return - * - ESP_OK Allocate a new channel success + * - ESP_OK Allocate new channel(s) success * - ESP_ERR_NOT_SUPPORTED The communication mode is not supported on the current chip * - ESP_ERR_INVALID_ARG NULL pointer or illegal parameter in i2s_chan_config_t * - ESP_ERR_NOT_FOUND No available I2S channel found */ -esp_err_t i2s_new_channel(const i2s_chan_config_t *chan_cfg, i2s_chan_handle_t *tx_handle, i2s_chan_handle_t *rx_handle); +esp_err_t i2s_new_channel(const i2s_chan_config_t *chan_cfg, i2s_chan_handle_t *ret_tx_handle, i2s_chan_handle_t *ret_rx_handle); /** * @brief Delete the i2s channel - * @note The i2s channel will be stopped to ensure the i2s channel is not at READING or WRITING state. + * @note Only allowed to be called when the i2s channel is at REGISTERED or READY state (i.e., it should stop before deleting it). * @note Resource will be free automatically if all channels in one port are deleted * * @param[in] handle I2S channel handler @@ -87,99 +114,36 @@ esp_err_t i2s_new_channel(const i2s_chan_config_t *chan_cfg, i2s_chan_handle_t * esp_err_t i2s_del_channel(i2s_chan_handle_t handle); /** - * @brief Initialize i2s channel - * @note Only allowed to be called when the channel state is REGISTERED, (i.e., channel has been allocated, but not initialized) - * and the state will be updated to INITIALIZING while during the initialization, - * finally it will be READY if initialization is success, otherwise the state will return to REGISTERED. - * @note Will initialize i2s channel according to the i2s mode - * For different modes, we should input corresponding configurations. + * @brief Get I2S channel information * * @param[in] handle I2S channel handler - * @param[in] clk_config Clock configuration, should input correct type of clock configuration according to i2s communication mode that set in 'i2s_chan_config_t'. - * For I2S_COMM_MODE_STD mode, please input 'i2s_std_clk_config_t' type. - * For I2S_COMM_MODE_PDM mode, please input 'i2s_pdm_tx_clk_config_t' type for tx channel and 'i2s_pdm_rx_clk_config_t' type for rx channel. - * For I2S_COMM_MODE_TDM mode, please input 'i2s_tdm_clk_config_t' type. - * @param[in] slot_config Slot configuration, should input correct type of slot configuration according to i2s communication mode that set in 'i2s_chan_config_t'. - * For I2S_COMM_MODE_STD mode, please input 'i2s_std_slot_config_t' type. - * For I2S_COMM_MODE_PDM mode, please input 'i2s_pdm_tx_slot_config_t' type for tx channel and 'i2s_pdm_rx_slot_config_t' type for rx channel. - * For I2S_COMM_MODE_TDM mode, please input 'i2s_tdm_slot_config_t' type. + * @param[out] chan_info I2S channel basic information * @return - * - ESP_OK Initialize successfully - * - ESP_ERR_INVALID_ARG NULL pointer - * - ESP_ERR_INVALID_STATE This channel is not registered + * - ESP_OK Get i2s channel information success + * - ESP_ERR_NOT_FOUND The input handle doesn't match any registered I2S channels, it may not an i2s channel handle or not available any more + * - ESP_ERR_INVALID_ARG The input handle or chan_info pointer is NULL */ -// esp_err_t i2s_init_channel(i2s_chan_handle_t handle, const void *clk_config, const void *slot_config); +esp_err_t i2s_channel_get_info(i2s_chan_handle_t handle, i2s_chan_info_t *chan_info); /** - * @brief Reconfigure the I2S clock + * @brief Enable the i2s channel * @note Only allowed to be called when the channel state is READY, (i.e., channel has been initialized, but not started) - * this function won't change the state. - * @note Normally the clock has been configured after 'i2s_init_channel' is called - * This function is for re-configuring the clock. - * 'i2s_stop_channel' should be called before calling this function if i2s has started. - * - * @param[in] handle I2S channel handler - * @param[in] clk_config Clock configuration, should input correct type of clock configuration according to i2s communication mode - * For I2S_COMM_MODE_STD mode, please input 'i2s_std_clk_config_t' type. - * For I2S_COMM_MODE_PDM mode, please input 'i2s_pdm_tx_clk_config_t' type for tx channel and 'i2s_pdm_rx_clk_config_t' type for rx channel. - * For I2S_COMM_MODE_TDM mode, please input 'i2s_tdm_clk_config_t' type. - * @return - * - ESP_OK Set clock successfully - * - ESP_ERR_NOT_SUPPORTED The input communication mode is not supported - * - ESP_ERR_INVALID_ARG NULL pointer - * - ESP_ERR_INVALID_STATE This channel is not initialized - */ -// esp_err_t i2s_set_clock(i2s_chan_handle_t handle, const void *clk_config); - -/** - * @brief Reconfigure the I2S slot - * @note Only allowed to be called when the channel state is READY, (i.e., channel has been initialized, but not started) - * this function won't change the state. - * @note Normally the slot has been configured after 'i2s_init_channel' is called - * This function is for re-configuring the slot - * 'i2s_stop_channel' should be called before calling this function if i2s has started. - * - * @param[in] handle I2S channel handler - * @param[in] slot_config Slot configuration, should input correct type of clock configuration according to i2s communication mode - * For I2S_COMM_MODE_STD mode, please input 'i2s_std_slot_config_t' type. - * For I2S_COMM_MODE_PDM mode, please input 'i2s_pdm_tx_slot_config_t' type for tx channel and 'i2s_pdm_rx_slot_config_t' type for rx channel. - * For I2S_COMM_MODE_TDM mode, please input 'i2s_tdm_slot_config_t' type. - * @return - * - ESP_OK Set slot successfully - * - ESP_ERR_INVALID_ARG NULL pointer or unmatched slot configuration type - * - ESP_ERR_INVALID_STATE This channel is not initialized - */ -// esp_err_t i2s_set_slot(i2s_chan_handle_t handle, const void *slot_config); - -/** - * @brief Get I2S event queue handler - * @note Can be called at any time - * - * @param[in] handle I2S channel handler - * @param[in] que_len Queue length (if the queue has not been created yet) - * @return - * - NULL Failed to create the event queue - * - else Event queue handler - */ -QueueHandle_t i2s_get_event_queue(i2s_chan_handle_t handle, uint32_t que_len); - -/** - * @brief Start i2s channel - * @note Only allowed to be called when the channel state is READY, (i.e., channel has been initialized, but not started) - * the channel will enter IDLE state once it is started successfully. + * the channel will enter RUNNING state once it is enabled successfully. + * @note Enbale the channel can start the I2S communication on hardware. It will start outputting bclk and ws signal. + * For mclk signal, it will start to output when initialization is finished * * @param[in] handle I2S channel handler * - ESP_OK Start successfully * - ESP_ERR_INVALID_ARG NULL pointer * - ESP_ERR_INVALID_STATE This channel has not initialized or already started */ -esp_err_t i2s_start_channel(i2s_chan_handle_t handle); +esp_err_t i2s_channel_enable(i2s_chan_handle_t handle); /** - * @brief Stop i2s channel - * @note Only allowed to be called when the channel state is READY / IDLE / WRITING / READING, (i.e., channel has been initialized) - * the channel will enter READY state once it is stopped successfully. - * @note It will stop bclk and ws signal but not mclk signal + * @brief Disable the i2s channel + * @note Only allowed to be called when the channel state is READY / RUNNING, (i.e., channel has been initialized) + * the channel will enter READY state once it is disabled successfully. + * @note Disable the channel can stop the I2S communication on hardware. It will stop bclk and ws signal but not mclk signal * * @param[in] handle I2S channel handler * @return @@ -187,80 +151,61 @@ esp_err_t i2s_start_channel(i2s_chan_handle_t handle); * - ESP_ERR_INVALID_ARG NULL pointer * - ESP_ERR_INVALID_STATE This channel has not stated */ -esp_err_t i2s_stop_channel(i2s_chan_handle_t handle); +esp_err_t i2s_channel_disable(i2s_chan_handle_t handle); /** * @brief I2S write data - * @note Only allowed to be called when the channel state is IDLE, (i.e., tx channel has been started and is not writing now) - * the channel will enter WRITING state once start to write, - * and it will switch back to IDLE when quit the writing, - * but the IDLE only stands for the software state, it doesn't mean there is no the signal transporting on line. + * @note Only allowed to be called when the channel state is RUNNING, (i.e., tx channel has been started and is not writing now) + * but the RUNNING only stands for the software state, it doesn't mean there is no the signal transporting on line. * * @param[in] handle I2S channel handler * @param[in] src The pointer of sent data buffer * @param[in] size Max data buffer length * @param[out] bytes_written Byte number that actually be sent - * @param[in] ticks_to_wait Max block time + * @param[in] timeout_ms Max block time * @return * - ESP_OK Write successfully * - ESP_ERR_INVALID_ARG NULL pointer or this handle is not tx handle * - ESP_ERR_TIMEOUT Writing timeout, no writing event received from ISR within ticks_to_wait * - ESP_ERR_INVALID_STATE I2S is not ready to write */ -esp_err_t i2s_write_channel(i2s_chan_handle_t handle, const void *src, size_t size, size_t *bytes_written, TickType_t ticks_to_wait); +esp_err_t i2s_channel_write(i2s_chan_handle_t handle, const void *src, size_t size, size_t *bytes_written, uint32_t timeout_ms); /** * @brief I2S read data - * @note Only allowed to be called when the channel state is IDLE - * the channel will enter READING state once start to read, - * and it will switch back to IDLE when quit the reading, - * but the IDLE only stands for the software state, it doesn't mean there is no the signal transporting on line. + * @note Only allowed to be called when the channel state is RUNNING + * but the RUNNING only stands for the software state, it doesn't mean there is no the signal transporting on line. * * @param[in] handle I2S channel handler * @param[in] dest The pointer of receiving data buffer * @param[in] size Max data buffer length * @param[out] bytes_read Byte number that actually be read - * @param[in] ticks_to_wait Max block time + * @param[in] timeout_ms Max block time * @return * - ESP_OK Read successfully * - ESP_ERR_INVALID_ARG NULL pointer or this handle is not rx handle * - ESP_ERR_TIMEOUT Reading timeout, no reading event received from ISR within ticks_to_wait * - ESP_ERR_INVALID_STATE I2S is not ready to read */ -esp_err_t i2s_read_channel(i2s_chan_handle_t handle, void *dest, size_t size, size_t *bytes_read, TickType_t ticks_to_wait); +esp_err_t i2s_channel_read(i2s_chan_handle_t handle, void *dest, size_t size, size_t *bytes_read, uint32_t timeout_ms); /** - * @brief Clear the DMA buffer - * @note Only allowed to be called when the channel state is READY / IDLE / WRITING / READING, (i.e., channel has been initialized) - * it won't change the current channel state. - * @note The legacy data in DMA buffer will be cleared immediately once it is called - * That means i2s will keep send zero if no other data to send - * It has same effect with 'auto_clear' field in slot configuration struct - * but it should be called manually and won't lower the interrupt performance + * @brief Set event callbacks for I2S channel * - * @param[in] handle I2S channel handler - * @return - * - ESP_OK Clear successfully - * - ESP_ERR_INVALID_STATE I2S is not initialized - */ -esp_err_t i2s_clear_dma_buffer(i2s_chan_handle_t handle); - -/** - * @brief Abort i2s reading or writing function - * @note Only allowed to be called when the channel state is IDLE / WRITING / READING, (i.e., channel has been started) - * it will change to IDLE after aborting the current reading or writing. - * @note Since reading or writing will be blocked for a long time while transporting a large quantity of data， - * This function can help to terminate reading/writing in its next reading/writing loop, - * but if reading/writing is bolcked on receiving dma queue(i.e. dma can't send or receive data), this function won't take effect - * And it will only abort for one time, so reading/writing thread won't stop though it is called + * @note Only allowed to be called when the channel state is REGISTARED / READY, (i.e., before channel starts) + * @note User can deregister a previously registered callback by calling this function and setting the callback member in the `callbacks` structure to NULL. + * @note When CONFIG_I2S_ISR_IRAM_SAFE is enabled, the callback itself and functions called by it should be placed in IRAM. + * The variables used in the function should be in the SRAM as well. The `user_data` should also reside in SRAM or internal RAM as well. * - * @param[in] handle I2S channel handler + * @param[in] handle I2S channel handler + * @param[in] callbacks Group of callback functions + * @param[in] user_data User data, which will be passed to callback functions directly * @return - * - ESP_OK Abort successfully - * - ESP_ERR_INVALID_STATE I2S is stopped or not initialized + * - ESP_OK Set event callbacks successfully + * - ESP_ERR_INVALID_ARG Set event callbacks failed because of invalid argument + * - ESP_ERR_INVALID_STATE Set event callbacks failed because the current channel state is not REGISTARED or READY */ -esp_err_t i2s_abort_reading_writing(i2s_chan_handle_t handle); - +esp_err_t i2s_channel_register_event_callback(i2s_chan_handle_t handle, const i2s_event_callbacks_t *callbacks, void *user_data); #ifdef __cplusplus } diff --git a/components/driver/include/driver/i2s_pdm.h b/components/driver/include/driver/i2s_pdm.h index 4f3ad29f6f..c07ddeb545 100644 --- a/components/driver/include/driver/i2s_pdm.h +++ b/components/driver/include/driver/i2s_pdm.h @@ -29,7 +29,6 @@ extern "C" { * @param mono_or_stereo I2S_SLOT_MODE_MONO or I2S_SLOT_MODE_STEREO */ #define I2S_PDM_RX_SLOT_DEFAULT_CONFIG(bits_per_sample, mono_or_stereo) { \ - .mode = I2S_COMM_MODE_PDM, \ .data_bit_width = bits_per_sample, \ .slot_bit_width = I2S_SLOT_BIT_WIDTH_AUTO, \ .slot_mode = mono_or_stereo, \ @@ -41,32 +40,29 @@ extern "C" { */ #define I2S_PDM_RX_CLK_DEFAULT_CONFIG(rate) { \ .sample_rate_hz = rate, \ - .clk_src = I2S_CLK_PLL_160M, \ + .clk_src = I2S_CLK_SRC_DEFAULT, \ .mclk_multiple = I2S_MCLK_MULTIPLE_256, \ .dn_sample_mode = I2S_PDM_DSR_8S \ } /** - * @breif I2S slot configuration for pdm rx mode + * @brief I2S slot configuration for pdm rx mode */ typedef struct { /* General fields */ - i2s_comm_mode_t mode; /*!< I2S communication mode, this field is for identification (MUST match the communication mode in 'i2s_chan_config_t') */ i2s_data_bit_width_t data_bit_width; /*!< I2S sample data bit width (valid data bits per sample), only support 16 bits for PDM mode */ i2s_slot_bit_width_t slot_bit_width; /*!< I2S slot bit width (total bits per slot) , only support 16 bits for PDM mode */ i2s_slot_mode_t slot_mode; /*!< Set mono or stereo mode with I2S_SLOT_MODE_MONO or I2S_SLOT_MODE_STEREO */ - } i2s_pdm_rx_slot_config_t; /** - * @breif I2S clock configuration for pdm rx mode + * @brief I2S clock configuration for pdm rx mode */ typedef struct { /* General fields */ uint32_t sample_rate_hz; /*!< I2S sample rate */ i2s_clock_src_t clk_src; /*!< Choose clock source */ i2s_mclk_multiple_t mclk_multiple; /*!< The multiple of mclk to the sample rate */ - /* Particular fields */ i2s_pdm_dsr_t dn_sample_mode; /*!< Down-sampling rate mode */ } i2s_pdm_rx_clk_config_t; @@ -77,23 +73,83 @@ typedef struct { typedef struct { gpio_num_t clk; /*!< PDM clk pin, output */ gpio_num_t din; /*!< DATA pin, input */ + struct { + uint32_t clk_inv: 1; /*!< Set 1 to invert the clk output */ + } invert_flags; /*!< GPIO pin invert flags */ } i2s_pdm_rx_gpio_config_t; -typedef struct -{ - i2s_pdm_rx_clk_config_t clk_cfg; - i2s_pdm_rx_slot_config_t slot_cfg; - i2s_pdm_rx_gpio_config_t gpio_cfg; +/** + * @brief I2S PDM RX mode major configuration that including clock/slot/gpio configuration + */ +typedef struct { + i2s_pdm_rx_clk_config_t clk_cfg; /*!< PDM RX clock configurations, can be genertated by macro I2S_PDM_RX_CLK_DEFAULT_CONFIG */ + i2s_pdm_rx_slot_config_t slot_cfg; /*!< PDM RX slot configurations, can be genertated by macro I2S_PDM_RX_SLOT_DEFAULT_CONFIG */ + i2s_pdm_rx_gpio_config_t gpio_cfg; /*!< PDM RX slot configurations, specified by user */ } i2s_pdm_rx_config_t; +/** + * @brief Initialize i2s channel to PDM RX mode + * @note Only allowed to be called when the channel state is REGISTERED, (i.e., channel has been allocated, but not initialized) + * and the state will be updated to READY if initialization success, otherwise the state will return to REGISTERED. + * + * @param[in] handle I2S rx channel handler + * @param[in] pdm_rx_cfg Configurations for PDM RX mode, including clock, slot and gpio + * The clock configuration can be generated by the helper macro `I2S_PDM_RX_CLK_DEFAULT_CONFIG` + * The slot configuration can be generated by the helper macro `I2S_PDM_RX_SLOT_DEFAULT_CONFIG` + * + * @return + * - ESP_OK Initialize successfully + * - ESP_ERR_NO_MEM No memory for storing the channel information + * - ESP_ERR_INVALID_ARG NULL pointer or invalid configuration + * - ESP_ERR_INVALID_STATE This channel is not registered + */ +esp_err_t i2s_channel_init_pdm_rx_mode(i2s_chan_handle_t handle, const i2s_pdm_rx_config_t *pdm_rx_cfg); -esp_err_t i2s_init_pdm_rx_channel(i2s_chan_handle_t handle, const i2s_pdm_rx_config_t *pdm_rx_cfg); +/** + * @brief Reconfigure the I2S clock for PDM RX mode + * @note Only allowed to be called when the channel state is READY, i.e., channel has been initialized, but not started + * this function won't change the state. 'i2s_channel_disable' should be called before calling this function if i2s has started. + * @note The input channel handle has to be initialized to PDM RX mode, i.e., 'i2s_channel_init_pdm_rx_mode' has been called before reconfigring + * + * @param[in] handle I2S rx channel handler + * @param[in] clk_cfg PDM RX mode clock configuration, can be generated by `I2S_PDM_RX_CLK_DEFAULT_CONFIG` + * @return + * - ESP_OK Set clock successfully + * - ESP_ERR_INVALID_ARG NULL pointer, invalid configuration or not PDM mode + * - ESP_ERR_INVALID_STATE This channel is not initialized or not stopped + */ +esp_err_t i2s_channel_reconfig_pdm_rx_clock(i2s_chan_handle_t handle, const i2s_pdm_rx_clk_config_t *clk_cfg); -esp_err_t i2s_reconfig_pdm_rx_clock(i2s_chan_handle_t handle, const i2s_pdm_rx_clk_config_t *clk_cfg); +/** + * @brief Reconfigure the I2S slot for PDM RX mode + * @note Only allowed to be called when the channel state is READY, i.e., channel has been initialized, but not started + * this function won't change the state. 'i2s_channel_disable' should be called before calling this function if i2s has started. + * @note The input channel handle has to be initialized to PDM RX mode, i.e., 'i2s_channel_init_pdm_rx_mode' has been called before reconfigring + * + * @param[in] handle I2S rx channel handler + * @param[in] slot_cfg PDM RX mode slot configuration, can be generated by `I2S_PDM_RX_SLOT_DEFAULT_CONFIG` + * @return + * - ESP_OK Set clock successfully + * - ESP_ERR_NO_MEM No memory for DMA buffer + * - ESP_ERR_INVALID_ARG NULL pointer, invalid configuration or not PDM mode + * - ESP_ERR_INVALID_STATE This channel is not initialized or not stopped + */ +esp_err_t i2s_channel_reconfig_pdm_rx_slot(i2s_chan_handle_t handle, const i2s_pdm_rx_slot_config_t *slot_cfg); -esp_err_t i2s_reconfig_pdm_rx_slot(i2s_chan_handle_t handle, const i2s_pdm_rx_slot_config_t *slot_cfg); - -esp_err_t i2s_reconfig_pdm_rx_gpio(i2s_chan_handle_t handle, const i2s_pdm_rx_gpio_config_t *gpio_cfg); +/** + * @brief Reconfigure the I2S gpio for PDM RX mode + * @note Only allowed to be called when the channel state is READY, i.e., channel has been initialized, but not started + * this function won't change the state. 'i2s_channel_disable' should be called before calling this function if i2s has started. + * @note The input channel handle has to be initialized to PDM RX mode, i.e., 'i2s_channel_init_pdm_rx_mode' has been called before reconfigring + * + * @param[in] handle I2S rx channel handler + * @param[in] gpio_cfg PDM RX mode gpio configuration, specified by user + * @return + * - ESP_OK Set clock successfully + * - ESP_ERR_INVALID_ARG NULL pointer, invalid configuration or not PDM mode + * - ESP_ERR_INVALID_STATE This channel is not initialized or not stopped + */ +esp_err_t i2s_channel_reconfig_pdm_rx_gpio(i2s_chan_handle_t handle, const i2s_pdm_rx_gpio_config_t *gpio_cfg); #endif // SOC_I2S_SUPPORTS_PDM_RX @@ -107,7 +163,6 @@ esp_err_t i2s_reconfig_pdm_rx_gpio(i2s_chan_handle_t handle, const i2s_pdm_rx_gp * @param mono_or_stereo I2S_SLOT_MODE_MONO or I2S_SLOT_MODE_STEREO */ #define I2S_PDM_TX_SLOT_DEFAULT_CONFIG(bits_per_sample, mono_or_stereo) { \ - .mode = I2S_COMM_MODE_PDM, \ .data_bit_width = bits_per_sample, \ .slot_bit_width = I2S_SLOT_BIT_WIDTH_AUTO, \ .slot_mode = mono_or_stereo, \ @@ -129,12 +184,8 @@ esp_err_t i2s_reconfig_pdm_rx_gpio(i2s_chan_handle_t handle, const i2s_pdm_rx_gp * @param mono_or_stereo I2S_SLOT_MODE_MONO or I2S_SLOT_MODE_STEREO */ #define I2S_PDM_TX_SLOT_DEFAULT_CONFIG(bits_per_sample, mono_or_stereo) { \ - .mode = I2S_COMM_MODE_PDM, \ .data_bit_width = bits_per_sample, \ .slot_bit_width = I2S_SLOT_BIT_WIDTH_AUTO, \ - .dma_desc_num = 8, \ - .dma_frame_num = 200, \ - .auto_clear = false, \ .slot_mode = mono_or_stereo, \ .sd_prescale = 0, \ .sd_scale = I2S_PDM_SIG_SCALING_MUL_1, \ @@ -150,12 +201,12 @@ esp_err_t i2s_reconfig_pdm_rx_gpio(i2s_chan_handle_t handle, const i2s_pdm_rx_gp * 1: fp = 960, fs = sample_rate_hz / 100, in this case, Fpdm = 128*48000 * 2: fp = 960, fs = 480, in this case, Fpdm = 128*Fpcm = 128*sample_rate_hz * If the pdm receiver do not care the pdm serial clock, it's recommended set Fpdm = 128*48000. - * Otherwise, the second configuration should be applied. + * Otherwise, the second configuration should be adopted. * @param rate sample rate */ #define I2S_PDM_TX_CLK_DEFAULT_CONFIG(rate) { \ .sample_rate_hz = rate, \ - .clk_src = I2S_CLK_PLL_160M, \ + .clk_src = I2S_CLK_SRC_DEFAULT, \ .mclk_multiple = I2S_MCLK_MULTIPLE_256, \ .up_sample_fp = 960, \ .up_sample_fs = ((rate) / 100), \ @@ -181,11 +232,9 @@ esp_err_t i2s_reconfig_pdm_rx_gpio(i2s_chan_handle_t handle, const i2s_pdm_rx_gp */ typedef struct { /* General fields */ - i2s_comm_mode_t mode; /*!< I2S communication mode, this field is for identification (MUST match the communication mode in 'i2s_chan_config_t') */ i2s_data_bit_width_t data_bit_width; /*!< I2S sample data bit width (valid data bits per sample), only support 16 bits for PDM mode */ i2s_slot_bit_width_t slot_bit_width; /*!< I2S slot bit width (total bits per slot), only support 16 bits for PDM mode */ i2s_slot_mode_t slot_mode; /*!< Set mono or stereo mode with I2S_SLOT_MODE_MONO or I2S_SLOT_MODE_STEREO */ - /* Particular fields */ uint32_t sd_prescale; /*!< Sigma-delta filter prescale */ i2s_pdm_sig_scale_t sd_scale; /*!< Sigma-delta filter scaling value */ @@ -202,14 +251,13 @@ typedef struct { } i2s_pdm_tx_slot_config_t; /** - * @breif I2S clock configuration for pdm tx mode + * @brief I2S clock configuration for pdm tx mode */ typedef struct { /* General fields */ uint32_t sample_rate_hz; /*!< I2S sample rate */ i2s_clock_src_t clk_src; /*!< Choose clock source */ i2s_mclk_multiple_t mclk_multiple; /*!< The multiple of mclk to the sample rate */ - /* Particular fields */ uint32_t up_sample_fp; /*!< Up-sampling param fp */ uint32_t up_sample_fs; /*!< Up-sampling param fs */ @@ -221,22 +269,83 @@ typedef struct { typedef struct { gpio_num_t clk; /*!< PDM clk pin, output */ gpio_num_t dout; /*!< DATA pin, output */ + struct { + uint32_t clk_inv: 1; /*!< Set 1 to invert the clk output */ + } invert_flags; /*!< GPIO pin invert flags */ } i2s_pdm_tx_gpio_config_t; -typedef struct -{ - i2s_pdm_tx_clk_config_t clk_cfg; - i2s_pdm_tx_slot_config_t slot_cfg; - i2s_pdm_tx_gpio_config_t gpio_cfg; +/** + * @brief I2S PDM TX mode major configuration that including clock/slot/gpio configuration + */ +typedef struct { + i2s_pdm_tx_clk_config_t clk_cfg; /*!< PDM TX clock configurations, can be genertated by macro I2S_PDM_TX_CLK_DEFAULT_CONFIG */ + i2s_pdm_tx_slot_config_t slot_cfg; /*!< PDM TX slot configurations, can be genertated by macro I2S_PDM_TX_SLOT_DEFAULT_CONFIG */ + i2s_pdm_tx_gpio_config_t gpio_cfg; /*!< PDM TX gpio configurations, specified by user */ } i2s_pdm_tx_config_t; -esp_err_t i2s_init_pdm_tx_channel(i2s_chan_handle_t handle, const i2s_pdm_tx_config_t *pdm_tx_cfg); +/** + * @brief Initialize i2s channel to PDM TX mode + * @note Only allowed to be called when the channel state is REGISTERED, (i.e., channel has been allocated, but not initialized) + * and the state will be updated to READY if initialization success, otherwise the state will return to REGISTERED. + * + * @param[in] handle I2S tx channel handler + * @param[in] pdm_tx_cfg Configurations for PDM TX mode, including clock, slot and gpio + * The clock configuration can be generated by the helper macro `I2S_PDM_TX_CLK_DEFAULT_CONFIG` + * The slot configuration can be generated by the helper macro `I2S_PDM_TX_SLOT_DEFAULT_CONFIG` + * + * @return + * - ESP_OK Initialize successfully + * - ESP_ERR_NO_MEM No memory for storing the channel information + * - ESP_ERR_INVALID_ARG NULL pointer or invalid configuration + * - ESP_ERR_INVALID_STATE This channel is not registered + */ +esp_err_t i2s_channel_init_pdm_tx_mode(i2s_chan_handle_t handle, const i2s_pdm_tx_config_t *pdm_tx_cfg); -esp_err_t i2s_reconfig_pdm_tx_clock(i2s_chan_handle_t handle, const i2s_pdm_tx_clk_config_t *clk_cfg); +/** + * @brief Reconfigure the I2S clock for PDM TX mode + * @note Only allowed to be called when the channel state is READY, i.e., channel has been initialized, but not started + * this function won't change the state. 'i2s_channel_disable' should be called before calling this function if i2s has started. + * @note The input channel handle has to be initialized to PDM TX mode, i.e., 'i2s_channel_init_pdm_tx_mode' has been called before reconfigring + * + * @param[in] handle I2S tx channel handler + * @param[in] clk_cfg PDM TX mode clock configuration, can be generated by `I2S_PDM_TX_CLK_DEFAULT_CONFIG` + * @return + * - ESP_OK Set clock successfully + * - ESP_ERR_INVALID_ARG NULL pointer, invalid configuration or not PDM mode + * - ESP_ERR_INVALID_STATE This channel is not initialized or not stopped + */ +esp_err_t i2s_channel_reconfig_pdm_tx_clock(i2s_chan_handle_t handle, const i2s_pdm_tx_clk_config_t *clk_cfg); -esp_err_t i2s_reconfig_pdm_tx_slot(i2s_chan_handle_t handle, const i2s_pdm_tx_slot_config_t *slot_cfg); +/** + * @brief Reconfigure the I2S slot for PDM TX mode + * @note Only allowed to be called when the channel state is READY, i.e., channel has been initialized, but not started + * this function won't change the state. 'i2s_channel_disable' should be called before calling this function if i2s has started. + * @note The input channel handle has to be initialized to PDM TX mode, i.e., 'i2s_channel_init_pdm_tx_mode' has been called before reconfigring + * + * @param[in] handle I2S tx channel handler + * @param[in] slot_cfg PDM TX mode slot configuration, can be generated by `I2S_PDM_TX_SLOT_DEFAULT_CONFIG` + * @return + * - ESP_OK Set clock successfully + * - ESP_ERR_NO_MEM No memory for DMA buffer + * - ESP_ERR_INVALID_ARG NULL pointer, invalid configuration or not PDM mode + * - ESP_ERR_INVALID_STATE This channel is not initialized or not stopped + */ +esp_err_t i2s_channel_reconfig_pdm_tx_slot(i2s_chan_handle_t handle, const i2s_pdm_tx_slot_config_t *slot_cfg); -esp_err_t i2s_reconfig_pdm_tx_gpio(i2s_chan_handle_t handle, const i2s_pdm_tx_gpio_config_t *gpio_cfg); +/** + * @brief Reconfigure the I2S gpio for PDM TX mode + * @note Only allowed to be called when the channel state is READY, i.e., channel has been initialized, but not started + * this function won't change the state. 'i2s_channel_disable' should be called before calling this function if i2s has started. + * @note The input channel handle has to be initialized to PDM TX mode, i.e., 'i2s_channel_init_pdm_tx_mode' has been called before reconfigring + * + * @param[in] handle I2S tx channel handler + * @param[in] gpio_cfg PDM TX mode gpio configuration, specified by user + * @return + * - ESP_OK Set clock successfully + * - ESP_ERR_INVALID_ARG NULL pointer, invalid configuration or not PDM mode + * - ESP_ERR_INVALID_STATE This channel is not initialized or not stopped + */ +esp_err_t i2s_channel_reconfig_pdm_tx_gpio(i2s_chan_handle_t handle, const i2s_pdm_tx_gpio_config_t *gpio_cfg); #endif // SOC_I2S_SUPPORTS_PDM_TX diff --git a/components/driver/include/driver/i2s_std.h b/components/driver/include/driver/i2s_std.h index 12f95130ff..06cbf58b69 100644 --- a/components/driver/include/driver/i2s_std.h +++ b/components/driver/include/driver/i2s_std.h @@ -30,12 +30,12 @@ extern "C" { .data_bit_width = bits_per_sample, \ .slot_bit_width = I2S_SLOT_BIT_WIDTH_AUTO, \ .slot_mode = mono_or_stereo, \ + .slot_mask = (mono_or_stereo == I2S_SLOT_MODE_MONO) ? \ + I2S_STD_SLOT_ONLY_LEFT : I2S_STD_SLOT_LEFT_RIGHT, \ .ws_width = bits_per_sample, \ .ws_pol = false, \ .bit_shift = true, \ - .slot_sel = (mono_or_stereo == I2S_SLOT_MODE_MONO) ? \ - I2S_STD_SLOT_ONLY_LEFT : I2S_STD_SLOT_LEFT_RIGHT, \ - .msb_right = false, \ + .msb_right = true, \ } /** @@ -48,12 +48,12 @@ extern "C" { .data_bit_width = bits_per_sample, \ .slot_bit_width = I2S_SLOT_BIT_WIDTH_AUTO, \ .slot_mode = mono_or_stereo, \ + .slot_mask = (mono_or_stereo == I2S_SLOT_MODE_MONO) ? \ + I2S_STD_SLOT_ONLY_LEFT : I2S_STD_SLOT_LEFT_RIGHT, \ .ws_width = 1, \ .ws_pol = true, \ .bit_shift = true, \ - .slot_sel = (mono_or_stereo == I2S_SLOT_MODE_MONO) ? \ - I2S_STD_SLOT_ONLY_LEFT : I2S_STD_SLOT_LEFT_RIGHT, \ - .msb_right = false, \ + .msb_right = true, \ } /** @@ -65,12 +65,12 @@ extern "C" { .data_bit_width = bits_per_sample, \ .slot_bit_width = I2S_SLOT_BIT_WIDTH_AUTO, \ .slot_mode = mono_or_stereo, \ + .slot_mask = (mono_or_stereo == I2S_SLOT_MODE_MONO) ? \ + I2S_STD_SLOT_ONLY_LEFT : I2S_STD_SLOT_LEFT_RIGHT, \ .ws_width = bits_per_sample, \ .ws_pol = false, \ .bit_shift = false, \ - .slot_sel = (mono_or_stereo == I2S_SLOT_MODE_MONO) ? \ - I2S_STD_SLOT_ONLY_LEFT : I2S_STD_SLOT_LEFT_RIGHT, \ - .msb_right = false, \ + .msb_right = true, \ } #else @@ -83,11 +83,11 @@ extern "C" { .data_bit_width = bits_per_sample, \ .slot_bit_width = I2S_SLOT_BIT_WIDTH_AUTO, \ .slot_mode = mono_or_stereo, \ + .slot_mask = (mono_or_stereo == I2S_SLOT_MODE_MONO) ? \ + I2S_STD_SLOT_ONLY_LEFT : I2S_STD_SLOT_LEFT_RIGHT, \ .ws_width = bits_per_sample, \ .ws_pol = false, \ .bit_shift = true, \ - .slot_sel = (mono_or_stereo == I2S_SLOT_MODE_MONO) ? \ - I2S_STD_SLOT_ONLY_LEFT : I2S_STD_SLOT_LEFT_RIGHT, \ .left_align = false, \ .big_endian = false, \ .bit_order_lsb = false \ @@ -103,11 +103,11 @@ extern "C" { .data_bit_width = bits_per_sample, \ .slot_bit_width = I2S_SLOT_BIT_WIDTH_AUTO, \ .slot_mode = mono_or_stereo, \ + .slot_mask = (mono_or_stereo == I2S_SLOT_MODE_MONO) ? \ + I2S_STD_SLOT_ONLY_LEFT : I2S_STD_SLOT_LEFT_RIGHT, \ .ws_width = 1, \ .ws_pol = true, \ .bit_shift = true, \ - .slot_sel = (mono_or_stereo == I2S_SLOT_MODE_MONO) ? \ - I2S_STD_SLOT_ONLY_LEFT : I2S_STD_SLOT_LEFT_RIGHT, \ .left_align = false, \ .big_endian = false, \ .bit_order_lsb = false \ @@ -122,11 +122,11 @@ extern "C" { .data_bit_width = bits_per_sample, \ .slot_bit_width = I2S_SLOT_BIT_WIDTH_AUTO, \ .slot_mode = mono_or_stereo, \ + .slot_mask = (mono_or_stereo == I2S_SLOT_MODE_MONO) ? \ + I2S_STD_SLOT_ONLY_LEFT : I2S_STD_SLOT_LEFT_RIGHT, \ .ws_width = bits_per_sample, \ .ws_pol = false, \ .bit_shift = false, \ - .slot_sel = (mono_or_stereo == I2S_SLOT_MODE_MONO) ? \ - I2S_STD_SLOT_ONLY_LEFT : I2S_STD_SLOT_LEFT_RIGHT, \ .left_align = false, \ .big_endian = false, \ .bit_order_lsb = false \ @@ -141,12 +141,12 @@ extern "C" { */ #define I2S_STD_CLK_DEFAULT_CONFIG(rate) { \ .sample_rate_hz = rate, \ - .clk_src = I2S_CLK_PLL_160M, \ + .clk_src = I2S_CLK_SRC_DEFAULT, \ .mclk_multiple = I2S_MCLK_MULTIPLE_256, \ } /** - * @breif I2S slot configuration for standard mode + * @brief I2S slot configuration for standard mode */ typedef struct { /* General fields */ @@ -155,10 +155,10 @@ typedef struct { i2s_slot_mode_t slot_mode; /*!< Set mono or stereo mode with I2S_SLOT_MODE_MONO or I2S_SLOT_MODE_STEREO */ /* Particular fields */ + i2s_std_slot_mask_t slot_mask; /*!< Select the left, right or both slot */ uint32_t ws_width; /*!< WS signal width (i.e. the number of bclk ticks that ws signal is high) */ bool ws_pol; /*!< WS signal polarity, set true to enable high lever first */ bool bit_shift; /*!< Set to enbale bit shift in Philip mode */ - i2s_std_slot_sel_t slot_sel; /*!< Select the left, right or both slot */ #if SOC_I2S_HW_VERSION_1 // For esp32/esp32-s2 bool msb_right; /*!< Set to place right channel data at the MSB in the FIFO */ #else @@ -169,7 +169,7 @@ typedef struct { } i2s_std_slot_config_t; /** - * @breif I2S clock configuration for standard mode + * @brief I2S clock configuration for standard mode */ typedef struct { /* General fields */ @@ -187,21 +187,87 @@ typedef struct { gpio_num_t ws; /*!< WS pin, input in slave role, output in master role */ gpio_num_t dout; /*!< DATA pin, output */ gpio_num_t din; /*!< DATA pin, input */ + struct { + uint32_t mclk_inv: 1; /*!< Set 1 to invert the mclk output */ + uint32_t bclk_inv: 1; /*!< Set 1 to invert the bclk input/output */ + uint32_t ws_inv: 1; /*!< Set 1 to invert the ws input/output */ + } invert_flags; /*!< GPIO pin invert flags */ } i2s_std_gpio_config_t; +/** + * @brief I2S standard mode major configuration that including clock/slot/gpio configuration + */ typedef struct { - i2s_std_clk_config_t clk_cfg; /*!< Standard mode clock configuration */ - i2s_std_slot_config_t slot_cfg; /*!< Standard mode slot configuration */ - i2s_std_gpio_config_t gpio_cfg; /*!< Standard mode gpio configuration */ + i2s_std_clk_config_t clk_cfg; /*!< Standard mode clock configuration, can be generated by macro I2S_STD_CLK_DEFAULT_CONFIG */ + i2s_std_slot_config_t slot_cfg; /*!< Standard mode slot configuration, can be generated by macros I2S_STD_[mode]_SLOT_DEFAULT_CONFIG, [mode] can be replaced with PHILIP/MSB/PCM */ + i2s_std_gpio_config_t gpio_cfg; /*!< Standard mode gpio configuration, specified by user */ } i2s_std_config_t; -esp_err_t i2s_init_std_channel(i2s_chan_handle_t handle, const i2s_std_config_t *std_cfg); +/** + * @brief Initialize i2s channel to standard mode + * @note Only allowed to be called when the channel state is REGISTERED, (i.e., channel has been allocated, but not initialized) + * and the state will be updated to READY if initialization success, otherwise the state will return to REGISTERED. + * + * @param[in] handle I2S channel handler + * @param[in] std_cfg Configurations for standard mode, including clock, slot and gpio + * The clock configuration can be generated by the helper macro `I2S_STD_CLK_DEFAULT_CONFIG` + * The slot configuration can be generated by the helper macro `I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG`, + * `I2S_STD_PCM_SLOT_DEFAULT_CONFIG` or `I2S_STD_MSB_SLOT_DEFAULT_CONFIG` + * + * @return + * - ESP_OK Initialize successfully + * - ESP_ERR_NO_MEM No memory for storing the channel information + * - ESP_ERR_INVALID_ARG NULL pointer or invalid configuration + * - ESP_ERR_INVALID_STATE This channel is not registered + */ +esp_err_t i2s_channel_init_std_mode(i2s_chan_handle_t handle, const i2s_std_config_t *std_cfg); -esp_err_t i2s_reconfig_std_clock(i2s_chan_handle_t handle, const i2s_std_clk_config_t *clk_cfg); +/** + * @brief Reconfigure the I2S clock for standard mode + * @note Only allowed to be called when the channel state is READY, i.e., channel has been initialized, but not started + * this function won't change the state. 'i2s_channel_disable' should be called before calling this function if i2s has started. + * @note The input channel handle has to be initialized to standard mode, i.e., 'i2s_channel_init_std_mode' has been called before reconfigring + * + * @param[in] handle I2S channel handler + * @param[in] clk_cfg Standard mode clock configuration, can be generated by `I2S_STD_CLK_DEFAULT_CONFIG` + * @return + * - ESP_OK Set clock successfully + * - ESP_ERR_INVALID_ARG NULL pointer, invalid configuration or not standard mode + * - ESP_ERR_INVALID_STATE This channel is not initialized or not stopped + */ +esp_err_t i2s_channel_reconfig_std_clock(i2s_chan_handle_t handle, const i2s_std_clk_config_t *clk_cfg); -esp_err_t i2s_reconfig_std_slot(i2s_chan_handle_t handle, const i2s_std_slot_config_t *slot_cfg); +/** + * @brief Reconfigure the I2S slot for standard mode + * @note Only allowed to be called when the channel state is READY, i.e., channel has been initialized, but not started + * this function won't change the state. 'i2s_channel_disable' should be called before calling this function if i2s has started. + * @note The input channel handle has to be initialized to standard mode, i.e., 'i2s_channel_init_std_mode' has been called before reconfigring + * + * @param[in] handle I2S channel handler + * @param[in] slot_cfg Standard mode slot configuration, can be generated by `I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG`, + * `I2S_STD_PCM_SLOT_DEFAULT_CONFIG` and `I2S_STD_MSB_SLOT_DEFAULT_CONFIG`. + * @return + * - ESP_OK Set clock successfully + * - ESP_ERR_NO_MEM No memory for DMA buffer + * - ESP_ERR_INVALID_ARG NULL pointer, invalid configuration or not standard mode + * - ESP_ERR_INVALID_STATE This channel is not initialized or not stopped + */ +esp_err_t i2s_channel_reconfig_std_slot(i2s_chan_handle_t handle, const i2s_std_slot_config_t *slot_cfg); -esp_err_t i2s_reconfig_std_gpio(i2s_chan_handle_t handle, const i2s_std_gpio_config_t *gpio_cfg); +/** + * @brief Reconfigure the I2S gpio for standard mode + * @note Only allowed to be called when the channel state is READY, i.e., channel has been initialized, but not started + * this function won't change the state. 'i2s_channel_disable' should be called before calling this function if i2s has started. + * @note The input channel handle has to be initialized to standard mode, i.e., 'i2s_channel_init_std_mode' has been called before reconfigring + * + * @param[in] handle I2S channel handler + * @param[in] gpio_cfg Standard mode gpio configuration, specified by user + * @return + * - ESP_OK Set clock successfully + * - ESP_ERR_INVALID_ARG NULL pointer, invalid configuration or not standard mode + * - ESP_ERR_INVALID_STATE This channel is not initialized or not stopped + */ +esp_err_t i2s_channel_reconfig_std_gpio(i2s_chan_handle_t handle, const i2s_std_gpio_config_t *gpio_cfg); #ifdef __cplusplus } diff --git a/components/driver/include/driver/i2s_tdm.h b/components/driver/include/driver/i2s_tdm.h index 56fd9464e7..9a7db55478 100644 --- a/components/driver/include/driver/i2s_tdm.h +++ b/components/driver/include/driver/i2s_tdm.h @@ -31,10 +31,10 @@ extern "C" { * @param mask active slot mask */ #define I2S_TDM_PHILIP_SLOT_DEFAULT_CONFIG(bits_per_sample, mono_or_stereo, mask) { \ - .mode = I2S_COMM_MODE_TDM, \ .data_bit_width = (bits_per_sample), \ .slot_bit_width = I2S_SLOT_BIT_WIDTH_AUTO, \ .slot_mode = mono_or_stereo, \ + .slot_mask = (mask), \ .ws_width = I2S_TDM_AUTO_WS_WIDTH, \ .ws_pol = false, \ .bit_shift = true, \ @@ -42,7 +42,6 @@ extern "C" { .big_endian = false, \ .bit_order_lsb = false, \ .skip_mask = false, \ - .slot_mask = (mask), \ .total_slot = I2S_TDM_AUTO_SLOT_NUM \ } @@ -53,10 +52,10 @@ extern "C" { * @param mask active slot mask */ #define I2S_TDM_MSB_SLOT_DEFAULT_CONFIG(bits_per_sample, mono_or_stereo, mask) { \ - .mode = I2S_COMM_MODE_TDM, \ .data_bit_width = (bits_per_sample), \ .slot_bit_width = I2S_SLOT_BIT_WIDTH_AUTO, \ .slot_mode = mono_or_stereo, \ + .slot_mask = (mask), \ .ws_width = I2S_TDM_AUTO_WS_WIDTH, \ .ws_pol = false, \ .bit_shift = false, \ @@ -64,7 +63,6 @@ extern "C" { .big_endian = false, \ .bit_order_lsb = false, \ .skip_mask = false ,\ - .slot_mask = (mask), \ .total_slot = I2S_TDM_AUTO_SLOT_NUM \ } @@ -75,10 +73,10 @@ extern "C" { * @param mask active slot mask */ #define I2S_TDM_PCM_SHORT_SLOT_DEFAULT_CONFIG(bits_per_sample, mono_or_stereo, mask) { \ - .mode = I2S_COMM_MODE_TDM, \ .data_bit_width = (bits_per_sample), \ .slot_bit_width = I2S_SLOT_BIT_WIDTH_AUTO, \ .slot_mode = mono_or_stereo, \ + .slot_mask = (mask), \ .ws_width = 1, \ .ws_pol = true, \ .bit_shift = true, \ @@ -86,7 +84,6 @@ extern "C" { .big_endian = false, \ .bit_order_lsb = false, \ .skip_mask = false, \ - .slot_mask = (mask), \ .total_slot = I2S_TDM_AUTO_SLOT_NUM \ } @@ -97,10 +94,10 @@ extern "C" { * @param mask active slot mask */ #define I2S_TDM_PCM_LONG_SLOT_DEFAULT_CONFIG(bits_per_sample, mono_or_stereo, mask) { \ - .mode = I2S_COMM_MODE_TDM, \ .data_bit_width = (bits_per_sample), \ .slot_bit_width = I2S_SLOT_BIT_WIDTH_AUTO, \ .slot_mode = mono_or_stereo, \ + .slot_mask = (mask), \ .ws_width = (bits_per_sample), \ .ws_pol = true, \ .bit_shift = true, \ @@ -108,7 +105,6 @@ extern "C" { .big_endian = false, \ .bit_order_lsb = false, \ .skip_mask = false, \ - .slot_mask = (mask), \ .total_slot = I2S_TDM_AUTO_SLOT_NUM \ } @@ -120,22 +116,22 @@ extern "C" { */ #define I2S_TDM_CLK_DEFAULT_CONFIG(rate) { \ .sample_rate_hz = rate, \ - .clk_src = I2S_CLK_PLL_160M, \ + .clk_src = I2S_CLK_SRC_DEFAULT, \ .mclk_multiple = I2S_MCLK_MULTIPLE_256, \ } /** - * @breif I2S slot configuration for tdm mode + * @brief I2S slot configuration for tdm mode */ typedef struct { /* General fields */ - i2s_comm_mode_t mode; /*!< I2S communication mode, this field is for identification (MUST match the communication mode in 'i2s_chan_config_t') */ i2s_data_bit_width_t data_bit_width; /*!< I2S sample data bit width (valid data bits per sample) */ i2s_slot_bit_width_t slot_bit_width; /*!< I2S slot bit width (total bits per slot) */ i2s_slot_mode_t slot_mode; /*!< Set mono or stereo mode with I2S_SLOT_MODE_MONO or I2S_SLOT_MODE_STEREO */ /* Particular fields */ - uint32_t ws_width; /*!< WS signal width ((i.e. the number of bclk ticks that ws signal is high)) */ + i2s_tdm_slot_mask_t slot_mask; /*!< Slot mask. Activating slots by setting 1 to corresponding bits. When the activated slots is not consecutive, those data in unactivated slots will be ignored */ + uint32_t ws_width; /*!< WS signal width (i.e. the number of bclk ticks that ws signal is high) */ bool ws_pol; /*!< WS signal polarity, set true to enable high lever first */ bool bit_shift; /*!< Set true to enable bit shift in Philip mode */ @@ -144,12 +140,11 @@ typedef struct { bool bit_order_lsb; /*!< Set true to enable lsb first */ bool skip_mask; /*!< Set true to enable skip mask. If it is enabled, only the data of the enabled channels will be sent, otherwise all data stored in DMA TX buffer will be sent */ - i2s_tdm_slot_mask_t slot_mask; /*!< Slot mask. Activating slots by setting 1 to corresponding bits. When the activated slots is not consecutive, those data in unactivated slots will be ignored */ uint32_t total_slot; /*!< I2S total number of slots. If it is smaller than the biggest activated channel number, it will be set to this number automatically. */ } i2s_tdm_slot_config_t; /** - * @breif I2S clock configuration for tdm mode + * @brief I2S clock configuration for tdm mode */ typedef struct { /* General fields */ @@ -167,21 +162,87 @@ typedef struct { gpio_num_t ws; /*!< WS pin, input in slave role, output in master role */ gpio_num_t dout; /*!< DATA pin, output */ gpio_num_t din; /*!< DATA pin, input */ + struct { + uint32_t mclk_inv: 1; /*!< Set 1 to invert the mclk output */ + uint32_t bclk_inv: 1; /*!< Set 1 to invert the bclk input/output */ + uint32_t ws_inv: 1; /*!< Set 1 to invert the ws input/output */ + } invert_flags; /*!< GPIO pin invert flags */ } i2s_tdm_gpio_config_t; +/** + * @brief I2S TDM mode major configuration that including clock/slot/gpio configuration + */ typedef struct { - i2s_tdm_clk_config_t clk_cfg; /*!< TDM mode clock configuration */ - i2s_tdm_slot_config_t slot_cfg; /*!< TDM mode slot configuration */ - i2s_tdm_gpio_config_t gpio_cfg; /*!< TDM mode gpio configuration */ + i2s_tdm_clk_config_t clk_cfg; /*!< TDM mode clock configuration, can be generated by macro I2S_TDM_CLK_DEFAULT_CONFIG */ + i2s_tdm_slot_config_t slot_cfg; /*!< TDM mode slot configuration, can be generated by macros I2S_TDM_[mode]_SLOT_DEFAULT_CONFIG, [mode] can be replaced with PHILIP/MSB/PCM_SHORT/PCM_LONG */ + i2s_tdm_gpio_config_t gpio_cfg; /*!< TDM mode gpio configuration, specified by user */ } i2s_tdm_config_t; -esp_err_t i2s_init_tdm_channel(i2s_chan_handle_t handle, const i2s_tdm_config_t *std_cfg); +/** + * @brief Initialize i2s channel to TDM mode + * @note Only allowed to be called when the channel state is REGISTERED, (i.e., channel has been allocated, but not initialized) + * and the state will be updated to READY if initialization success, otherwise the state will return to REGISTERED. + * + * @param[in] handle I2S channel handler + * @param[in] tdm_cfg Configurations for TDM mode, including clock, slot and gpio + * The clock configuration can be generated by the helper macro `I2S_TDM_CLK_DEFAULT_CONFIG` + * The slot configuration can be generated by the helper macro `I2S_TDM_PHILIP_SLOT_DEFAULT_CONFIG`, + * `I2S_TDM_PCM_SHORT_SLOT_DEFAULT_CONFIG`, `I2S_TDM_PCM_LONG_SLOT_DEFAULT_CONFIG` or `I2S_TDM_MSB_SLOT_DEFAULT_CONFIG` + * + * @return + * - ESP_OK Initialize successfully + * - ESP_ERR_NO_MEM No memory for storing the channel information + * - ESP_ERR_INVALID_ARG NULL pointer or invalid configuration + * - ESP_ERR_INVALID_STATE This channel is not registered + */ +esp_err_t i2s_channel_init_tdm_mode(i2s_chan_handle_t handle, const i2s_tdm_config_t *tdm_cfg); -esp_err_t i2s_reconfig_tdm_clock(i2s_chan_handle_t handle, const i2s_tdm_clk_config_t *clk_cfg); +/** + * @brief Reconfigure the I2S clock for TDM mode + * @note Only allowed to be called when the channel state is READY, i.e., channel has been initialized, but not started + * this function won't change the state. 'i2s_channel_disable' should be called before calling this function if i2s has started. + * @note The input channel handle has to be initialized to TDM mode, i.e., 'i2s_channel_init_tdm_mode' has been called before reconfigring + * + * @param[in] handle I2S channel handler + * @param[in] clk_cfg Standard mode clock configuration, can be generated by `I2S_TDM_CLK_DEFAULT_CONFIG` + * @return + * - ESP_OK Set clock successfully + * - ESP_ERR_INVALID_ARG NULL pointer, invalid configuration or not TDM mode + * - ESP_ERR_INVALID_STATE This channel is not initialized or not stopped + */ +esp_err_t i2s_channel_reconfig_tdm_clock(i2s_chan_handle_t handle, const i2s_tdm_clk_config_t *clk_cfg); -esp_err_t i2s_reconfig_tdm_slot(i2s_chan_handle_t handle, const i2s_tdm_slot_config_t *slot_cfg); +/** + * @brief Reconfigure the I2S slot for TDM mode + * @note Only allowed to be called when the channel state is READY, i.e., channel has been initialized, but not started + * this function won't change the state. 'i2s_channel_disable' should be called before calling this function if i2s has started. + * @note The input channel handle has to be initialized to TDM mode, i.e., 'i2s_channel_init_tdm_mode' has been called before reconfigring + * + * @param[in] handle I2S channel handler + * @param[in] slot_cfg Standard mode slot configuration, can be generated by `I2S_TDM_PHILIP_SLOT_DEFAULT_CONFIG`, + * `I2S_TDM_PCM_SHORT_SLOT_DEFAULT_CONFIG`, `I2S_TDM_PCM_LONG_SLOT_DEFAULT_CONFIG` or `I2S_TDM_MSB_SLOT_DEFAULT_CONFIG`. + * @return + * - ESP_OK Set clock successfully + * - ESP_ERR_NO_MEM No memory for DMA buffer + * - ESP_ERR_INVALID_ARG NULL pointer, invalid configuration or not TDM mode + * - ESP_ERR_INVALID_STATE This channel is not initialized or not stopped + */ +esp_err_t i2s_channel_reconfig_tdm_slot(i2s_chan_handle_t handle, const i2s_tdm_slot_config_t *slot_cfg); -esp_err_t i2s_reconfig_tdm_gpio(i2s_chan_handle_t handle, const i2s_tdm_gpio_config_t *gpio_cfg); +/** + * @brief Reconfigure the I2S gpio for TDM mode + * @note Only allowed to be called when the channel state is READY, i.e., channel has been initialized, but not started + * this function won't change the state. 'i2s_channel_disable' should be called before calling this function if i2s has started. + * @note The input channel handle has to be initialized to TDM mode, i.e., 'i2s_channel_init_tdm_mode' has been called before reconfigring + * + * @param[in] handle I2S channel handler + * @param[in] gpio_cfg Standard mode gpio configuration, specified by user + * @return + * - ESP_OK Set clock successfully + * - ESP_ERR_INVALID_ARG NULL pointer, invalid configuration or not TDM mode + * - ESP_ERR_INVALID_STATE This channel is not initialized or not stopped + */ +esp_err_t i2s_channel_reconfig_tdm_gpio(i2s_chan_handle_t handle, const i2s_tdm_gpio_config_t *gpio_cfg); #ifdef __cplusplus diff --git a/components/driver/include/driver/i2s_types.h b/components/driver/include/driver/i2s_types.h new file mode 100644 index 0000000000..9709d91c71 --- /dev/null +++ b/components/driver/include/driver/i2s_types.h @@ -0,0 +1,79 @@ +/* + * SPDX-FileCopyrightText: 2020-2022 Espressif Systems (Shanghai) CO LTD + * + * SPDX-License-Identifier: Apache-2.0 + */ + +#pragma once + +#include +#include +#include +#include "soc/soc_caps.h" + +#ifdef __cplusplus +extern "C" { +#endif + +/** + * @brief I2S controller port number, the max port number is (SOC_I2S_NUM -1). + */ +typedef enum { + I2S_NUM_0 = 0, /*!< I2S controller port 0 */ +#if SOC_I2S_NUM > 1 + I2S_NUM_1 = 1, /*!< I2S controller port 1 */ +#endif + I2S_NUM_AUTO, /*!< Select whichever port is available */ +} i2s_port_t; + +/** + * @brief I2S controller communication mode + */ +typedef enum { + I2S_COMM_MODE_STD, /*!< I2S controller using standard communication mode, support philip/MSB/PCM format */ +#if SOC_I2S_SUPPORTS_PDM + I2S_COMM_MODE_PDM, /*!< I2S controller using PDM communication mode, support PDM output or input */ +#endif +#if SOC_I2S_SUPPORTS_TDM + I2S_COMM_MODE_TDM, /*!< I2S controller using TDM communication mode, support up to 16 slots per frame */ +#endif + I2S_COMM_MODE_NONE, /*!< Unspecified I2S controller mode */ +} i2s_comm_mode_t; + +/** + * @brief The multiple of mclk to sample rate + */ +typedef enum { + I2S_MCLK_MULTIPLE_128 = 128, /*!< mclk = sample_rate * 128 */ + I2S_MCLK_MULTIPLE_256 = 256, /*!< mclk = sample_rate * 256 */ + I2S_MCLK_MULTIPLE_384 = 384, /*!< mclk = sample_rate * 384 */ +} i2s_mclk_multiple_t; + +/** + * @brief Event structure used in I2S event queue + */ +typedef struct { + void *data; /**< The pointer of DMA buffer that just finished sending or receiving for `on_recv` and `on_sent` callback + * NULL for `on_recv_q_ovf` and `on_send_q_ovf` callback + */ + size_t size; /**< The buffer size of DMA buffer when success to send or receive, + * also the buffer size that dropped when queue overflow. + * It is related to the dma_frame_num and data_bit_width, typically it is fixed when data_bit_width is not changed. + */ +} i2s_event_data_t; + +typedef struct i2s_channel_t *i2s_chan_handle_t; /*!< i2s channel handle, the control unit of the i2s driver*/ + +/** + * @brief I2S event callback + * @param[in] handle I2S channel handle, created from `i2s_new_channel()` + * @param[in] event I2S event data + * @param[in] user_ctx User registered context, passed from `i2s_channel_register_event_callback()` + * + * @return Whether a high priority task has been waken up by this callback function + */ +typedef bool (*i2s_isr_callback_t)(i2s_chan_handle_t handle, i2s_event_data_t *event, void *user_ctx); + +#ifdef __cplusplus +} +#endif diff --git a/components/driver/include/esp_private/i2s_platform.h b/components/driver/include/esp_private/i2s_platform.h index 7b7a07514e..8deea86a0e 100644 --- a/components/driver/include/esp_private/i2s_platform.h +++ b/components/driver/include/esp_private/i2s_platform.h @@ -10,7 +10,6 @@ #pragma once #include "esp_err.h" -#include "soc/soc_caps.h" #ifdef __cplusplus extern "C" { @@ -44,6 +43,14 @@ esp_err_t i2s_platform_acquire_occupation(int id, const char *comp_name); */ esp_err_t i2s_platform_release_occupation(int id); +/** + * @brief This function is only used for getting DMA buffer offset in `test_i2s_iram.c` + * + * @return + * - The offset of DMA buffers in the `i2s_chan_handle_t` struct (unit: bytes) + */ +size_t i2s_platform_get_dma_buffer_offset(void); + #ifdef __cplusplus } #endif diff --git a/components/driver/test/test_adc2_with_wifi.c b/components/driver/test/test_adc2_with_wifi.c index 3d944d3c00..d03fc63126 100644 --- a/components/driver/test/test_adc2_with_wifi.c +++ b/components/driver/test/test_adc2_with_wifi.c @@ -257,7 +257,7 @@ static void adc_dma_init(void) static void continuous_adc_test(void) { uint16_t *adcReadBuffer = (uint16_t *)calloc(1024, sizeof(uint16_t)); - size_t bytesRead; + uint32_t bytesRead; for (int loop = 0; loop < 10; loop++) { for (int level = 0; level <= 1; level++) { if (level == 0) { diff --git a/components/driver/test_apps/i2s/app_test.py b/components/driver/test_apps/i2s/app_test.py deleted file mode 100644 index 1583ff5709..0000000000 --- a/components/driver/test_apps/i2s/app_test.py +++ /dev/null @@ -1,30 +0,0 @@ -# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD -# SPDX-License-Identifier: Apache-2.0 -import glob -import os - -import ttfw_idf -from tiny_test_fw import Utility - - -@ttfw_idf.idf_component_unit_test(env_tag='COMPONENT_UT_GENERIC', target=['esp32', 'esp32s2', 'esp32s3', 'esp32c3']) -def test_component_ut_i2s(env, _): # type: (ttfw_idf.TinyFW.Env, None) -> None - # Get the names of all configs (sdkconfig.ci.* files) - config_files = glob.glob(os.path.join(os.path.dirname(__file__), 'sdkconfig.ci.*')) - config_names = [os.path.basename(s).replace('sdkconfig.ci.', '') for s in config_files] - - # Run test once with binaries built for each config - for name in config_names: - Utility.console_log(f'Checking config "{name}"... ', end='') - dut = env.get_dut('i2s', 'components/driver/test_apps/i2s', app_config_name=name) - dut.start_app() - stdout = dut.expect('Press ENTER to see the list of tests', full_stdout=True) - dut.write('*') - stdout = dut.expect("Enter next test, or 'enter' to see menu", full_stdout=True, timeout=30) - ttfw_idf.ComponentUTResult.parse_result(stdout,ttfw_idf.TestFormat.UNITY_BASIC) - env.close_dut(dut.name) - Utility.console_log(f'Test config "{name}" done') - - -if __name__ == '__main__': - test_component_ut_i2s() diff --git a/components/driver/test_apps/i2s/main/CMakeLists.txt b/components/driver/test_apps/i2s/main/CMakeLists.txt deleted file mode 100644 index 89b0c08d6c..0000000000 --- a/components/driver/test_apps/i2s/main/CMakeLists.txt +++ /dev/null @@ -1,16 +0,0 @@ -set(srcs "test_app_main.c") - -if(CONFIG_SOC_I2S_SUPPORTED) - list(APPEND srcs "test_i2s.c" - "test_i2s_legacy.c") -endif() - - -idf_component_register(SRCS ${srcs} - PRIV_REQUIRES driver hal soc unity) - -if(CONFIG_SOC_I2S_SUPPORTED) - target_link_libraries(${COMPONENT_LIB} INTERFACE - "-u test_app_include_i2s" - "-u test_app_include_i2s_legacy") -endif() diff --git a/components/driver/test_apps/i2s/main/test_i2s.c b/components/driver/test_apps/i2s/main/test_i2s.c deleted file mode 100644 index 07ee608b93..0000000000 --- a/components/driver/test_apps/i2s/main/test_i2s.c +++ /dev/null @@ -1,538 +0,0 @@ -/* - * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD - * - * SPDX-License-Identifier: Apache-2.0 - */ - -/** - * I2S test environment UT_T1_I2S: - * We use internal signals instead of external wiring, but please keep the following IO connections, or connect nothing to prevent the signal from being disturbed. - * connect GPIO15 and GPIO19, GPIO25(ESP32)/GPIO17(ESP32-S2) and GPIO26, GPIO21 and GPIO22(ESP32)/GPIO20(ESP32-S2) - * Please do not connect GPIO32(ESP32) any pull-up resistors externally, it will be used to test i2s adc function. - */ - - -#include -#include -#include "freertos/FreeRTOS.h" -#include "freertos/task.h" -#include "freertos/queue.h" -#include "freertos/semphr.h" -#include "driver/gpio.h" -#include "hal/gpio_hal.h" -#include "esp_err.h" -#include "unity.h" -#include "math.h" -#include "esp_rom_gpio.h" -#include "soc/i2s_periph.h" -#include "driver/i2s_std.h" -#if SOC_I2S_SUPPORTS_PDM -#include "driver/i2s_pdm.h" -#endif -#if SOC_I2S_SUPPORTS_TDM -#include "driver/i2s_tdm.h" -#endif -#include "hal/i2s_hal.h" -#include "esp_private/i2s_platform.h" -#if SOC_PCNT_SUPPORTED -#include "driver/pulse_cnt.h" -#include "soc/pcnt_periph.h" -#endif - -#define SAMPLE_RATE (48000) -#define SAMPLE_BITS (16) - -#if CONFIG_IDF_TARGET_ESP32 -#define MASTER_MCK_IO 0 -#define MASTER_BCK_IO 4 -#define MASTER_WS_IO 5 -#define SLAVE_BCK_IO 21 -#define SLAVE_WS_IO 22 -#define DATA_IN_IO 19 -#define DATA_OUT_IO 18 -#define ADC1_CHANNEL_4_IO 32 -#elif CONFIG_IDF_TARGET_ESP32S2 -#define MASTER_MCK_IO 0 -#define MASTER_BCK_IO 4 -#define MASTER_WS_IO 5 -#define SLAVE_BCK_IO 14 -#define SLAVE_WS_IO 15 -#define DATA_IN_IO 19 -#define DATA_OUT_IO 18 -#elif CONFIG_IDF_TARGET_ESP32C3 -#define MASTER_MCK_IO 0 -#define MASTER_BCK_IO 4 -#define MASTER_WS_IO 5 -#define SLAVE_BCK_IO 14 -#define SLAVE_WS_IO 15 -#define DATA_IN_IO 19 -#define DATA_OUT_IO 18 -#elif CONFIG_IDF_TARGET_ESP32S3 -#define MASTER_MCK_IO 0 -#define MASTER_BCK_IO 4 -#define MASTER_WS_IO 5 -#define SLAVE_BCK_IO 14 -#define SLAVE_WS_IO 15 -#define DATA_IN_IO 19 -#define DATA_OUT_IO 18 -#endif - -#define I2S_TEST_MODE_SLAVE_TO_MASTER 0 -#define I2S_TEST_MODE_MASTER_TO_SLAVE 1 -#define I2S_TEST_MODE_LOOPBACK 2 - -#define I2S_TEST_MASTER_DEFAULT_PIN { \ - .mclk = MASTER_MCK_IO, \ - .bclk = MASTER_BCK_IO, \ - .ws = MASTER_WS_IO, \ - .dout = DATA_OUT_IO, \ - .din = DATA_IN_IO \ - } - -#define I2S_TEST_SLAVE_DEFAULT_PIN { \ - .mclk = -1, \ - .bclk = SLAVE_BCK_IO, \ - .ws = SLAVE_WS_IO, \ - .dout = DATA_OUT_IO, \ - .din = DATA_IN_IO \ - } - -// This empty function is used to force the compiler link this file -void test_app_include_i2s(void) -{ -} - -// mode: 0, master rx, slave tx. mode: 1, master tx, slave rx. mode: 2, master tx rx loop-back -// Since ESP32-S2 has only one I2S, only loop back test can be tested. -static void i2s_test_io_config(int mode) -{ - // Connect internal signals using IO matrix. - gpio_hal_iomux_func_sel(GPIO_PIN_MUX_REG[MASTER_BCK_IO], PIN_FUNC_GPIO); - gpio_hal_iomux_func_sel(GPIO_PIN_MUX_REG[MASTER_WS_IO], PIN_FUNC_GPIO); - gpio_hal_iomux_func_sel(GPIO_PIN_MUX_REG[DATA_OUT_IO], PIN_FUNC_GPIO); - - gpio_set_direction(MASTER_BCK_IO, GPIO_MODE_INPUT_OUTPUT); - gpio_set_direction(MASTER_WS_IO, GPIO_MODE_INPUT_OUTPUT); - gpio_set_direction(DATA_OUT_IO, GPIO_MODE_INPUT_OUTPUT); - - switch (mode) { -#if SOC_I2S_NUM > 1 - case I2S_TEST_MODE_SLAVE_TO_MASTER: { - esp_rom_gpio_connect_out_signal(MASTER_BCK_IO, i2s_periph_signal[0].m_rx_bck_sig, 0, 0); - esp_rom_gpio_connect_in_signal(MASTER_BCK_IO, i2s_periph_signal[1].s_tx_bck_sig, 0); - - esp_rom_gpio_connect_out_signal(MASTER_WS_IO, i2s_periph_signal[0].m_rx_ws_sig, 0, 0); - esp_rom_gpio_connect_in_signal(MASTER_WS_IO, i2s_periph_signal[1].s_tx_ws_sig, 0); - - esp_rom_gpio_connect_out_signal(DATA_OUT_IO, i2s_periph_signal[1].data_out_sig, 0, 0); - esp_rom_gpio_connect_in_signal(DATA_OUT_IO, i2s_periph_signal[0].data_in_sig, 0); - } - break; - - case I2S_TEST_MODE_MASTER_TO_SLAVE: { - esp_rom_gpio_connect_out_signal(MASTER_BCK_IO, i2s_periph_signal[0].m_tx_bck_sig, 0, 0); - esp_rom_gpio_connect_in_signal(MASTER_BCK_IO, i2s_periph_signal[1].s_rx_bck_sig, 0); - - esp_rom_gpio_connect_out_signal(MASTER_WS_IO, i2s_periph_signal[0].m_tx_ws_sig, 0, 0); - esp_rom_gpio_connect_in_signal(MASTER_WS_IO, i2s_periph_signal[1].s_rx_ws_sig, 0); - - esp_rom_gpio_connect_out_signal(DATA_OUT_IO, i2s_periph_signal[0].data_out_sig, 0, 0); - esp_rom_gpio_connect_in_signal(DATA_OUT_IO, i2s_periph_signal[1].data_in_sig, 0); - } - break; -#endif - case I2S_TEST_MODE_LOOPBACK: { - esp_rom_gpio_connect_out_signal(DATA_OUT_IO, i2s_periph_signal[0].data_out_sig, 0, 0); - esp_rom_gpio_connect_in_signal(DATA_OUT_IO, i2s_periph_signal[0].data_in_sig, 0); - } - break; - - default: { - TEST_FAIL_MESSAGE("error: mode not supported"); - } - break; - } -} - -static void i2s_read_write_test(i2s_chan_handle_t tx_chan, i2s_chan_handle_t rx_chan) -{ -#define I2S_SEND_BUF_LEN 100 -#define I2S_RECV_BUF_LEN 10000 - - size_t bytes_write = 0; - size_t bytes_read = 0; - - bool is_success = false; - - uint8_t *send_buf = (uint8_t *)calloc(I2S_SEND_BUF_LEN, sizeof(uint8_t)); - TEST_ASSERT_NOT_NULL(send_buf); - uint8_t *recv_buf = (uint8_t *)calloc(I2S_RECV_BUF_LEN, sizeof(uint8_t)); - TEST_ASSERT_NOT_NULL(recv_buf); - - for (int i = 0; i < I2S_SEND_BUF_LEN; i++) { - send_buf[i] = i + 1; - } - - // write data to slave - TEST_ESP_OK(i2s_write_channel(tx_chan, send_buf, I2S_SEND_BUF_LEN, &bytes_write, 1000 / portTICK_PERIOD_MS)); - TEST_ESP_OK(i2s_read_channel(rx_chan, recv_buf, I2S_RECV_BUF_LEN, &bytes_read, 1000 / portTICK_PERIOD_MS)); - TEST_ASSERT_EQUAL_INT32(I2S_SEND_BUF_LEN, bytes_write); - TEST_ASSERT_EQUAL_INT32(I2S_RECV_BUF_LEN, bytes_read); - // test the read data right or not - for (int i = 0, j = 0; i < (I2S_RECV_BUF_LEN - I2S_SEND_BUF_LEN); i++) { - if (recv_buf[i] == 1) { - for (j = 1; (j < I2S_SEND_BUF_LEN) && (recv_buf[i+j] == j + 1); j++) {} - if (j == I2S_SEND_BUF_LEN) { - is_success = true; - goto finish; - } - i += j; - } - } -finish: - free(send_buf); - free(recv_buf); - TEST_ASSERT(is_success); -} - -// To check if the software logic of I2S driver is correct -TEST_CASE("I2S basic driver apply, delete test", "[i2s]") -{ - - i2s_chan_handle_t tx_handle; - i2s_chan_handle_t rx_handle; - - i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_AUTO, I2S_ROLE_MASTER); - i2s_std_config_t std_cfg = { - .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE), - .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(SAMPLE_BITS, I2S_SLOT_MODE_STEREO), - .gpio_cfg = I2S_TEST_MASTER_DEFAULT_PIN, - }; - - /* TX channel basic test */ - TEST_ESP_OK(i2s_new_channel(&chan_cfg, &tx_handle, NULL)); - - TEST_ESP_OK(i2s_init_std_channel(tx_handle, &std_cfg)); - std_cfg.slot_cfg.data_bit_width = I2S_DATA_BIT_WIDTH_32BIT; - TEST_ESP_OK(i2s_reconfig_std_slot(tx_handle, &std_cfg.slot_cfg)); - std_cfg.clk_cfg.sample_rate_hz = 44100; - TEST_ESP_OK(i2s_reconfig_std_clock(tx_handle, &std_cfg.clk_cfg)); - TEST_ESP_OK(i2s_start_channel(tx_handle)); - TEST_ESP_OK(i2s_del_channel(tx_handle)); - - /* Duplex channel basic test */ - chan_cfg.id = I2S_NUM_0; // Specify port id to I2S port 0 - TEST_ESP_OK(i2s_new_channel(&chan_cfg, &tx_handle, &rx_handle)); - TEST_ESP_OK(i2s_init_std_channel(tx_handle, &std_cfg)); - TEST_ESP_OK(i2s_init_std_channel(rx_handle, &std_cfg)); - TEST_ESP_OK(i2s_del_channel(tx_handle)); - TEST_ESP_OK(i2s_del_channel(rx_handle)); - - /* Repeat to check if a same port can be allocated again */ - TEST_ESP_OK(i2s_new_channel(&chan_cfg, NULL, &rx_handle)); - TEST_ESP_OK(i2s_del_channel(rx_handle)); - - /* Hold the occupation */ - TEST_ESP_OK(i2s_platform_acquire_occupation(I2S_NUM_0, "test_i2s")); - TEST_ASSERT(i2s_new_channel(&chan_cfg, &tx_handle, &rx_handle) == ESP_ERR_NOT_FOUND); - TEST_ESP_OK(i2s_platform_release_occupation(I2S_NUM_0)); - TEST_ESP_OK(i2s_new_channel(&chan_cfg, &tx_handle, &rx_handle)); - TEST_ESP_OK(i2s_del_channel(tx_handle)); - TEST_ESP_OK(i2s_del_channel(rx_handle)); -} - -TEST_CASE("I2S memory leak test", "[i2s]") -{ - i2s_chan_handle_t tx_handle; - i2s_chan_handle_t rx_handle; - - i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_AUTO, I2S_ROLE_MASTER); - i2s_std_config_t std_cfg = { - .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE), - .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(SAMPLE_BITS, I2S_SLOT_MODE_STEREO), - .gpio_cfg = I2S_TEST_MASTER_DEFAULT_PIN, - }; - - /* The first operation will always take some memory */ - TEST_ESP_OK(i2s_new_channel(&chan_cfg, &tx_handle, &rx_handle)); - TEST_ESP_OK(i2s_init_std_channel(tx_handle, &std_cfg)); - TEST_ESP_OK(i2s_init_std_channel(rx_handle, &std_cfg)); - TEST_ESP_OK(i2s_del_channel(tx_handle)); - TEST_ESP_OK(i2s_del_channel(rx_handle)); - - int memory_left = esp_get_free_heap_size(); - printf("\r\nHeap size before: %d\n", memory_left); - for (int i = 0; i < 100; i++) { - TEST_ESP_OK(i2s_new_channel(&chan_cfg, &tx_handle, &rx_handle)); - TEST_ESP_OK(i2s_init_std_channel(tx_handle, &std_cfg)); - TEST_ESP_OK(i2s_init_std_channel(rx_handle, &std_cfg)); - TEST_ESP_OK(i2s_del_channel(tx_handle)); - TEST_ESP_OK(i2s_del_channel(rx_handle)); - TEST_ASSERT(memory_left == esp_get_free_heap_size()); - } - printf("\r\nHeap size after: %d\n", esp_get_free_heap_size()); -} - -TEST_CASE("I2S loopback test", "[i2s]") -{ - i2s_chan_handle_t tx_handle; - i2s_chan_handle_t rx_handle; - - i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER); - i2s_std_config_t std_cfg = { - .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE), - .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(SAMPLE_BITS, I2S_SLOT_MODE_STEREO), - .gpio_cfg = I2S_TEST_MASTER_DEFAULT_PIN, - }; - TEST_ESP_OK(i2s_new_channel(&chan_cfg, &tx_handle, &rx_handle)); - TEST_ESP_OK(i2s_init_std_channel(tx_handle, &std_cfg)); - TEST_ESP_OK(i2s_init_std_channel(rx_handle, &std_cfg)); - i2s_test_io_config(I2S_TEST_MODE_LOOPBACK); - - TEST_ESP_OK(i2s_start_channel(tx_handle)); - TEST_ESP_OK(i2s_start_channel(rx_handle)); - - i2s_read_write_test(tx_handle, rx_handle); - - TEST_ESP_OK(i2s_del_channel(tx_handle)); - TEST_ESP_OK(i2s_del_channel(rx_handle)); -} - -#if SOC_I2S_NUM > 1 -TEST_CASE("I2S master write slave read test", "[i2s]") -{ - i2s_chan_handle_t tx_handle; - i2s_chan_handle_t rx_handle; - - i2s_chan_config_t mst_chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER); - i2s_chan_config_t slv_chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_1, I2S_ROLE_SLAVE); - - i2s_std_config_t std_mst_cfg = { - .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE), - .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(SAMPLE_BITS, I2S_SLOT_MODE_STEREO), - .gpio_cfg = I2S_TEST_MASTER_DEFAULT_PIN, - }; - - i2s_std_config_t std_slv_cfg = { - .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE), - .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(SAMPLE_BITS, I2S_SLOT_MODE_STEREO), - .gpio_cfg = I2S_TEST_SLAVE_DEFAULT_PIN, - }; - - TEST_ESP_OK(i2s_new_channel(&mst_chan_cfg, &tx_handle, NULL)); - TEST_ESP_OK(i2s_new_channel(&slv_chan_cfg, NULL, &rx_handle)); - TEST_ESP_OK(i2s_init_std_channel(tx_handle, &std_mst_cfg)); - TEST_ESP_OK(i2s_init_std_channel(rx_handle, &std_slv_cfg)); - i2s_test_io_config(I2S_TEST_MODE_MASTER_TO_SLAVE); - - TEST_ESP_OK(i2s_start_channel(tx_handle)); - TEST_ESP_OK(i2s_start_channel(rx_handle)); - - i2s_read_write_test(tx_handle, rx_handle); - - TEST_ESP_OK(i2s_del_channel(tx_handle)); - TEST_ESP_OK(i2s_del_channel(rx_handle)); -} - -TEST_CASE("I2S master read slave write test", "[i2s]") -{ - i2s_chan_handle_t tx_handle; - i2s_chan_handle_t rx_handle; - - i2s_chan_config_t mst_chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER); - i2s_chan_config_t slv_chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_1, I2S_ROLE_SLAVE); - i2s_std_config_t std_mst_cfg = { - .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE), - .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(SAMPLE_BITS, I2S_SLOT_MODE_STEREO), - .gpio_cfg = I2S_TEST_MASTER_DEFAULT_PIN, - }; - - i2s_std_config_t std_slv_cfg = { - .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE), - .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(SAMPLE_BITS, I2S_SLOT_MODE_STEREO), - .gpio_cfg = I2S_TEST_SLAVE_DEFAULT_PIN, - }; - - TEST_ESP_OK(i2s_new_channel(&mst_chan_cfg, NULL, &rx_handle)); - TEST_ESP_OK(i2s_new_channel(&slv_chan_cfg, &tx_handle, NULL)); - TEST_ESP_OK(i2s_init_std_channel(tx_handle, &std_slv_cfg)); - TEST_ESP_OK(i2s_init_std_channel(rx_handle, &std_mst_cfg)); - i2s_test_io_config(I2S_TEST_MODE_SLAVE_TO_MASTER); - - TEST_ESP_OK(i2s_start_channel(tx_handle)); - TEST_ESP_OK(i2s_start_channel(rx_handle)); - - i2s_read_write_test(tx_handle, rx_handle); - - TEST_ESP_OK(i2s_del_channel(tx_handle)); - TEST_ESP_OK(i2s_del_channel(rx_handle)); -} -#endif - -/*------------------------------ Clock Test --------------------------------*/ -#if SOC_PCNT_SUPPORTED -#define TEST_I2S_PERIOD_MS 100 -static void i2s_test_common_sample_rate(i2s_chan_handle_t rx_chan, i2s_std_clk_config_t* clk_cfg) -{ - TEST_ASSERT_NOT_NULL(rx_chan); - TEST_ASSERT_NOT_NULL(clk_cfg); - - /* Prepare configuration for the PCNT unit */ - pcnt_unit_handle_t pcnt_unit = NULL; - pcnt_channel_handle_t pcnt_chan = NULL; - - pcnt_unit_config_t unit_config = { - .high_limit = (int16_t)0x7fff, - .low_limit = (int16_t)0x8000, - }; - pcnt_chan_config_t chan_config = { - .edge_gpio_num = MASTER_WS_IO, - .level_gpio_num = -1, - }; - TEST_ESP_OK(pcnt_new_unit(&unit_config, &pcnt_unit)); - TEST_ESP_OK(pcnt_unit_set_glitch_filter(pcnt_unit, NULL)); - TEST_ESP_OK(pcnt_new_channel(pcnt_unit, &chan_config, &pcnt_chan)); - TEST_ESP_OK(pcnt_channel_set_edge_action(pcnt_chan, PCNT_CHANNEL_EDGE_ACTION_INCREASE, PCNT_CHANNEL_EDGE_ACTION_HOLD)); - TEST_ESP_OK(pcnt_channel_set_level_action(pcnt_chan, PCNT_CHANNEL_LEVEL_ACTION_KEEP, PCNT_CHANNEL_LEVEL_ACTION_KEEP)); - - // Reconfig GPIO signal - gpio_hal_iomux_func_sel(GPIO_PIN_MUX_REG[MASTER_WS_IO], PIN_FUNC_GPIO); - gpio_set_direction(MASTER_WS_IO, GPIO_MODE_INPUT_OUTPUT); - esp_rom_gpio_connect_out_signal(MASTER_WS_IO, i2s_periph_signal[0].m_rx_ws_sig, 0, 0); - esp_rom_gpio_connect_in_signal(MASTER_WS_IO, pcnt_periph_signals.groups[0].units[0].channels[0].pulse_sig, 0); - - // Test common sample rate - uint32_t test_freq[15] = {8000, 11025, 12000, 16000, 22050, 24000, - 32000, 44100, 48000, 64000, 88200, 96000, - 128000, 144000, 196000}; - int real_pulse = 0; - for (int i = 0; i < 15; i++) { - int expt_pulse = (int)((float)test_freq[i] * (TEST_I2S_PERIOD_MS / 1000.0)); - clk_cfg->sample_rate_hz = test_freq[i]; - TEST_ESP_OK(i2s_reconfig_std_clock(rx_chan, clk_cfg)); - TEST_ESP_OK(i2s_start_channel(rx_chan)); - vTaskDelay(1); // Waiting for hardware totally started - // pcnt will count the pulse number on WS signal in 100ms - TEST_ESP_OK(pcnt_unit_clear_count(pcnt_unit)); - TEST_ESP_OK(pcnt_unit_start(pcnt_unit)); - vTaskDelay(pdMS_TO_TICKS(TEST_I2S_PERIOD_MS)); - TEST_ESP_OK(pcnt_unit_stop(pcnt_unit)); - TEST_ESP_OK(pcnt_unit_get_count(pcnt_unit, &real_pulse)); - printf("[%d Hz] %d pulses, expected %d, err %d\n", test_freq[i], real_pulse, expt_pulse, real_pulse - expt_pulse); - TEST_ESP_OK(i2s_stop_channel(rx_chan)); - // Check if the error between real pulse number and expected pulse number is within 1% - TEST_ASSERT_INT_WITHIN(expt_pulse * 0.01, expt_pulse, real_pulse); - } -} - -TEST_CASE("I2S D2CLK clock test", "[i2s]") -{ - i2s_chan_handle_t rx_handle; - - i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER); - i2s_std_config_t std_cfg = { - .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE), - .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(SAMPLE_BITS, I2S_SLOT_MODE_STEREO), - .gpio_cfg = I2S_TEST_MASTER_DEFAULT_PIN, - }; - - TEST_ESP_OK(i2s_new_channel(&chan_cfg, NULL, &rx_handle)); - TEST_ESP_OK(i2s_init_std_channel(rx_handle, &std_cfg)); - - i2s_test_common_sample_rate(rx_handle, &std_cfg.clk_cfg); - TEST_ESP_OK(i2s_del_channel(rx_handle)); -} - -#if SOC_I2S_SUPPORTS_APLL -TEST_CASE("I2S APLL clock test", "[i2s]") -{ - i2s_chan_handle_t rx_handle; - - i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER); - i2s_std_config_t std_cfg = { - .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE), - .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(SAMPLE_BITS, I2S_SLOT_MODE_STEREO), - .gpio_cfg = I2S_TEST_MASTER_DEFAULT_PIN, - }; - std_cfg.clk_cfg.clk_src = I2S_CLK_APLL; - - TEST_ESP_OK(i2s_new_channel(&chan_cfg, NULL, &rx_handle)); - TEST_ESP_OK(i2s_init_std_channel(rx_handle, &std_cfg)); - - i2s_test_common_sample_rate(rx_handle, &std_cfg.clk_cfg); - TEST_ESP_OK(i2s_del_channel(rx_handle)); -} -#endif // SOC_I2S_SUPPORTS_APLL -#endif // SOC_PCNT_SUPPORTED - -static void i2s_event_monitor(void *args) -{ - i2s_chan_handle_t rx_handle = *((i2s_chan_handle_t *)args); - QueueHandle_t evt_que = i2s_get_event_queue(rx_handle, 16); - TEST_ASSERT_NOT_NULL(evt_que); - i2s_event_t evnet; - while (1) { - xQueueReceive(evt_que, &evnet, portMAX_DELAY); - if (evnet.type == I2S_EVENT_RX_Q_OVF) { - break; - } - } - vTaskDelete(NULL); -} - -TEST_CASE("I2S package lost test", "[i2s]") -{ - /* Steps of calculate appropriate parameters of I2S buffer: - * Known by user: sample_rate = 144k, data_bit_width = 32, slot_num = 2, polling_cycle = 10 ms - * 1. dma_buffer_size = dma_frame_num * slot_num * data_bit_width / 8 <= 4092 - * dma_frame_num <= 511, dma_frame_num is as big as possible. - * interrupt_interval = dma_frame_num / sample_rate = 3.549 ms - * 2. dma_desc_num > polling_cycle / interrupt_interval = cell(2.818) = 3 - * 3. recv_buffer_size > dma_desc_num * dma_buffer_size = 3 * 4092 = 12276 bytes */ - #define TEST_RECV_BUF_LEN 12276 - i2s_chan_handle_t rx_handle; - - i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_AUTO, I2S_ROLE_MASTER); - chan_cfg.dma_desc_num = 3; - chan_cfg.dma_frame_num = 511; - i2s_std_config_t std_cfg = { - .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE), - .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_32BIT, I2S_SLOT_MODE_STEREO), - .gpio_cfg = I2S_TEST_MASTER_DEFAULT_PIN, - }; - - TEST_ESP_OK(i2s_new_channel(&chan_cfg, NULL, &rx_handle)); - TEST_ESP_OK(i2s_init_std_channel(rx_handle, &std_cfg)); - - TaskHandle_t h_monitor_task; - xTaskCreate(i2s_event_monitor, "event monitor task", 4096, &rx_handle, 5, &h_monitor_task); - - uint32_t test_freq[] = {16000, 32000, 48000, 64000, 96000, 128000, 144000}; - uint32_t test_num = sizeof(test_freq) / sizeof(uint32_t); - uint8_t *data = (uint8_t *)calloc(TEST_RECV_BUF_LEN, sizeof(uint8_t)); - size_t bytes_read = 0; - int i; - for (i = 0; i < test_num; i++) { - printf("Testing %d Hz sample rate\n", test_freq[i]); - std_cfg.clk_cfg.sample_rate_hz = test_freq[i]; - std_cfg.clk_cfg.sample_rate_hz = test_freq[i]; - TEST_ESP_OK(i2s_reconfig_std_clock(rx_handle, &std_cfg.clk_cfg)); - TEST_ESP_OK(i2s_start_channel(rx_handle)); - for (int j = 0; j < 10; j++) { - TEST_ESP_OK(i2s_read_channel(rx_handle, (void *)data, TEST_RECV_BUF_LEN, &bytes_read, portMAX_DELAY)); - // To simulate 10ms delay caused by other statements like data process - vTaskDelay(1); - } - TEST_ESP_OK(i2s_stop_channel(rx_handle)); - if (eTaskGetState(h_monitor_task) == eDeleted) { - printf("package lost detected at %d Hz\n", test_freq[i]); - goto finish; - } - } - vTaskDelete(h_monitor_task); -finish: - TEST_ESP_OK(i2s_del_channel(rx_handle)); - free(data); - // Test failed if package lost within 96000 - TEST_ASSERT(i == test_num); -} diff --git a/components/driver/test_apps/i2s_test_apps/i2s/CMakeLists.txt b/components/driver/test_apps/i2s_test_apps/i2s/CMakeLists.txt new file mode 100644 index 0000000000..1b4b47dae4 --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/i2s/CMakeLists.txt @@ -0,0 +1,18 @@ +# This is the project CMakeLists.txt file for the test subproject +cmake_minimum_required(VERSION 3.16) + +include($ENV{IDF_PATH}/tools/cmake/project.cmake) +project(i2s_test) + +if(CONFIG_COMPILER_DUMP_RTL_FILES) + add_custom_target(check_test_app_sections ALL + COMMAND ${PYTHON} $ENV{IDF_PATH}/tools/ci/check_callgraph.py + --rtl-dir ${CMAKE_BINARY_DIR}/esp-idf/driver/ + --elf-file ${CMAKE_BINARY_DIR}/i2s_test.elf + find-refs + --from-sections=.iram0.text + --to-sections=.flash.text,.flash.rodata + --exit-code + DEPENDS ${elf} + ) +endif() diff --git a/components/driver/test_apps/i2s_test_apps/i2s/README.md b/components/driver/test_apps/i2s_test_apps/i2s/README.md new file mode 100644 index 0000000000..36802259d0 --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/i2s/README.md @@ -0,0 +1,2 @@ +| Supported Targets | ESP32 | ESP32-S2 | ESP32-S3 | ESP32-C3 | +| ----------------- | ----- | -------- | -------- | -------- | \ No newline at end of file diff --git a/components/driver/test_apps/i2s_test_apps/i2s/main/CMakeLists.txt b/components/driver/test_apps/i2s_test_apps/i2s/main/CMakeLists.txt new file mode 100644 index 0000000000..3abecadcbd --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/i2s/main/CMakeLists.txt @@ -0,0 +1,7 @@ +set(srcs "test_app_main.c" + "test_i2s.c" + "test_i2s_iram.c") + +idf_component_register(SRCS ${srcs} + PRIV_INCLUDE_DIRS "../../" + WHOLE_ARCHIVE) diff --git a/components/driver/test_apps/i2s/main/test_app_main.c b/components/driver/test_apps/i2s_test_apps/i2s/main/test_app_main.c similarity index 100% rename from components/driver/test_apps/i2s/main/test_app_main.c rename to components/driver/test_apps/i2s_test_apps/i2s/main/test_app_main.c diff --git a/components/driver/test_apps/i2s_test_apps/i2s/main/test_i2s.c b/components/driver/test_apps/i2s_test_apps/i2s/main/test_i2s.c new file mode 100644 index 0000000000..bc7badeb80 --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/i2s/main/test_i2s.c @@ -0,0 +1,855 @@ +/* + * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD + * + * SPDX-License-Identifier: Apache-2.0 + */ + +#include +#include +#include "freertos/FreeRTOS.h" +#include "freertos/task.h" +#include "freertos/queue.h" +#include "freertos/semphr.h" +#include "driver/gpio.h" +#include "hal/gpio_hal.h" +#include "esp_err.h" +#include "esp_attr.h" +#include "unity.h" +#include "math.h" +#include "esp_rom_gpio.h" +#include "soc/i2s_periph.h" +#include "driver/i2s_std.h" +#if SOC_I2S_SUPPORTS_PDM +#include "driver/i2s_pdm.h" +#endif +#if SOC_I2S_SUPPORTS_TDM +#include "driver/i2s_tdm.h" +#endif +#include "hal/i2s_hal.h" +#include "esp_private/i2s_platform.h" +#if SOC_PCNT_SUPPORTED +#include "driver/pulse_cnt.h" +#include "soc/pcnt_periph.h" +#endif + +#include "test_inc/test_i2s.h" + +#define I2S_TEST_MODE_SLAVE_TO_MASTER 0 +#define I2S_TEST_MODE_MASTER_TO_SLAVE 1 +#define I2S_TEST_MODE_LOOPBACK 2 + +#define I2S_TEST_MASTER_DEFAULT_PIN { \ + .mclk = MASTER_MCK_IO, \ + .bclk = MASTER_BCK_IO, \ + .ws = MASTER_WS_IO, \ + .dout = DATA_OUT_IO, \ + .din = DATA_IN_IO, \ + .invert_flags = { \ + .mclk_inv = false, \ + .bclk_inv = false, \ + .ws_inv = false, \ + }, \ + } + +#define I2S_TEST_SLAVE_DEFAULT_PIN { \ + .mclk = -1, \ + .bclk = SLAVE_BCK_IO, \ + .ws = SLAVE_WS_IO, \ + .dout = DATA_OUT_IO, \ + .din = DATA_IN_IO, \ + .invert_flags = { \ + .mclk_inv = false, \ + .bclk_inv = false, \ + .ws_inv = false, \ + }, \ + } + +// mode: 0, master rx, slave tx. mode: 1, master tx, slave rx. mode: 2, master tx rx loop-back +// Since ESP32-S2 has only one I2S, only loop back test can be tested. +static void i2s_test_io_config(int mode) +{ + // Connect internal signals using IO matrix. + gpio_hal_iomux_func_sel(GPIO_PIN_MUX_REG[MASTER_BCK_IO], PIN_FUNC_GPIO); + gpio_hal_iomux_func_sel(GPIO_PIN_MUX_REG[MASTER_WS_IO], PIN_FUNC_GPIO); + gpio_hal_iomux_func_sel(GPIO_PIN_MUX_REG[DATA_OUT_IO], PIN_FUNC_GPIO); + + gpio_set_direction(MASTER_BCK_IO, GPIO_MODE_INPUT_OUTPUT); + gpio_set_direction(MASTER_WS_IO, GPIO_MODE_INPUT_OUTPUT); + gpio_set_direction(DATA_OUT_IO, GPIO_MODE_INPUT_OUTPUT); + + switch (mode) { +#if SOC_I2S_NUM > 1 + case I2S_TEST_MODE_SLAVE_TO_MASTER: { + esp_rom_gpio_connect_out_signal(MASTER_BCK_IO, i2s_periph_signal[0].m_rx_bck_sig, 0, 0); + esp_rom_gpio_connect_in_signal(MASTER_BCK_IO, i2s_periph_signal[1].s_tx_bck_sig, 0); + + esp_rom_gpio_connect_out_signal(MASTER_WS_IO, i2s_periph_signal[0].m_rx_ws_sig, 0, 0); + esp_rom_gpio_connect_in_signal(MASTER_WS_IO, i2s_periph_signal[1].s_tx_ws_sig, 0); + + esp_rom_gpio_connect_out_signal(DATA_OUT_IO, i2s_periph_signal[1].data_out_sig, 0, 0); + esp_rom_gpio_connect_in_signal(DATA_OUT_IO, i2s_periph_signal[0].data_in_sig, 0); + } + break; + + case I2S_TEST_MODE_MASTER_TO_SLAVE: { + esp_rom_gpio_connect_out_signal(MASTER_BCK_IO, i2s_periph_signal[0].m_tx_bck_sig, 0, 0); + esp_rom_gpio_connect_in_signal(MASTER_BCK_IO, i2s_periph_signal[1].s_rx_bck_sig, 0); + + esp_rom_gpio_connect_out_signal(MASTER_WS_IO, i2s_periph_signal[0].m_tx_ws_sig, 0, 0); + esp_rom_gpio_connect_in_signal(MASTER_WS_IO, i2s_periph_signal[1].s_rx_ws_sig, 0); + + esp_rom_gpio_connect_out_signal(DATA_OUT_IO, i2s_periph_signal[0].data_out_sig, 0, 0); + esp_rom_gpio_connect_in_signal(DATA_OUT_IO, i2s_periph_signal[1].data_in_sig, 0); + } + break; +#endif + case I2S_TEST_MODE_LOOPBACK: { + esp_rom_gpio_connect_out_signal(DATA_OUT_IO, i2s_periph_signal[0].data_out_sig, 0, 0); + esp_rom_gpio_connect_in_signal(DATA_OUT_IO, i2s_periph_signal[0].data_in_sig, 0); + } + break; + + default: { + TEST_FAIL_MESSAGE("error: mode not supported"); + } + break; + } +} + +static void i2s_read_write_test(i2s_chan_handle_t tx_chan, i2s_chan_handle_t rx_chan) +{ +#define I2S_SEND_BUF_LEN 100 +#define I2S_RECV_BUF_LEN 10000 + + size_t bytes_write = 0; + size_t bytes_read = 0; + + bool is_success = false; + + uint8_t *send_buf = (uint8_t *)calloc(I2S_SEND_BUF_LEN, sizeof(uint8_t)); + TEST_ASSERT_NOT_NULL(send_buf); + uint8_t *recv_buf = (uint8_t *)calloc(I2S_RECV_BUF_LEN, sizeof(uint8_t)); + TEST_ASSERT_NOT_NULL(recv_buf); + + for (int i = 0; i < I2S_SEND_BUF_LEN; i++) { + send_buf[i] = i + 1; + } + + // write data to slave + TEST_ESP_OK(i2s_channel_write(tx_chan, send_buf, I2S_SEND_BUF_LEN, &bytes_write, 1000)); + TEST_ESP_OK(i2s_channel_read(rx_chan, recv_buf, I2S_RECV_BUF_LEN, &bytes_read, 1000)); + TEST_ASSERT_EQUAL_INT32(I2S_SEND_BUF_LEN, bytes_write); + TEST_ASSERT_EQUAL_INT32(I2S_RECV_BUF_LEN, bytes_read); + // test the read data right or not + for (int i = 0, j = 0; i < (I2S_RECV_BUF_LEN - I2S_SEND_BUF_LEN); i++) { + if (recv_buf[i] == 1) { + for (j = 1; (j < I2S_SEND_BUF_LEN) && (recv_buf[i+j] == j + 1); j++) {} + if (j == I2S_SEND_BUF_LEN) { + is_success = true; + goto finish; + } + i += j; + } + } +finish: + free(send_buf); + free(recv_buf); + TEST_ASSERT(is_success); +} + +// To check if the software logic of I2S driver is correct +TEST_CASE("I2S_basic_channel_allocation_reconfig_deleting_test", "[i2s]") +{ + + i2s_chan_handle_t tx_handle; + i2s_chan_handle_t rx_handle; + + i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_AUTO, I2S_ROLE_MASTER); + i2s_std_config_t std_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE), + .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(SAMPLE_BITS, I2S_SLOT_MODE_STEREO), + .gpio_cfg = I2S_TEST_MASTER_DEFAULT_PIN, + }; + + i2s_chan_info_t chan_info; + + /* TX channel basic test */ + TEST_ESP_OK(i2s_new_channel(&chan_cfg, &tx_handle, NULL)); + TEST_ESP_OK(i2s_channel_get_info(tx_handle, &chan_info)); + TEST_ASSERT(chan_info.mode == I2S_COMM_MODE_NONE); + + TEST_ESP_OK(i2s_channel_init_std_mode(tx_handle, &std_cfg)); + TEST_ESP_OK(i2s_channel_get_info(tx_handle, &chan_info)); + TEST_ASSERT(chan_info.mode == I2S_COMM_MODE_STD); + std_cfg.slot_cfg.data_bit_width = I2S_DATA_BIT_WIDTH_32BIT; + TEST_ESP_OK(i2s_channel_reconfig_std_slot(tx_handle, &std_cfg.slot_cfg)); + std_cfg.clk_cfg.sample_rate_hz = 44100; + TEST_ESP_OK(i2s_channel_reconfig_std_clock(tx_handle, &std_cfg.clk_cfg)); + TEST_ESP_OK(i2s_channel_enable(tx_handle)); + TEST_ESP_OK(i2s_channel_disable(tx_handle)); + TEST_ESP_OK(i2s_del_channel(tx_handle)); + TEST_ASSERT(i2s_channel_get_info(tx_handle, &chan_info) == ESP_ERR_NOT_FOUND); + + /* Duplex channel basic test */ + chan_cfg.id = I2S_NUM_0; // Specify port id to I2S port 0 + TEST_ESP_OK(i2s_new_channel(&chan_cfg, &tx_handle, &rx_handle)); + TEST_ESP_OK(i2s_channel_get_info(tx_handle, &chan_info)); + TEST_ASSERT(chan_info.pair_chan == rx_handle); + TEST_ESP_OK(i2s_channel_init_std_mode(tx_handle, &std_cfg)); + TEST_ESP_OK(i2s_channel_init_std_mode(rx_handle, &std_cfg)); + TEST_ESP_OK(i2s_del_channel(tx_handle)); + TEST_ESP_OK(i2s_del_channel(rx_handle)); + + /* Repeat to check if a same port can be allocated again */ + TEST_ESP_OK(i2s_new_channel(&chan_cfg, NULL, &rx_handle)); + TEST_ESP_OK(i2s_del_channel(rx_handle)); + + /* Hold the occupation */ + TEST_ESP_OK(i2s_platform_acquire_occupation(I2S_NUM_0, "test_i2s")); + TEST_ASSERT(i2s_new_channel(&chan_cfg, &tx_handle, &rx_handle) == ESP_ERR_NOT_FOUND); + TEST_ESP_OK(i2s_platform_release_occupation(I2S_NUM_0)); + TEST_ESP_OK(i2s_new_channel(&chan_cfg, &tx_handle, &rx_handle)); + TEST_ESP_OK(i2s_del_channel(tx_handle)); + TEST_ESP_OK(i2s_del_channel(rx_handle)); +} + +static volatile bool task_run_flag; + +static void i2s_read_task(void *args) { + i2s_chan_handle_t rx_handle = (i2s_chan_handle_t)args; + uint8_t *recv_buf = (uint8_t *)calloc(1, 2000); + TEST_ASSERT(recv_buf); + size_t recv_size = 0; + esp_err_t ret = ESP_OK; + uint32_t cnt = 1; + + while (task_run_flag) { + ret = i2s_channel_read(rx_handle, recv_buf, 2000, &recv_size, 300); + if (ret == ESP_ERR_TIMEOUT) { + printf("Read timeout count: %d\n", cnt++); + } + } + + free(recv_buf); + vTaskDelete(NULL); +} + +static void i2s_write_task(void *args) { + i2s_chan_handle_t tx_handle = (i2s_chan_handle_t)args; + uint8_t *send_buf = (uint8_t *)calloc(1, 2000); + TEST_ASSERT(send_buf); + size_t send_size = 0; + esp_err_t ret = ESP_OK; + uint32_t cnt = 1; + + while (task_run_flag) { + ret = i2s_channel_write(tx_handle, send_buf, 2000, &send_size, 300); + if (ret == ESP_ERR_TIMEOUT) { + printf("Write timeout count: %d\n", cnt++); + } + } + + free(send_buf); + vTaskDelete(NULL); +} + +static void i2s_reconfig_task(void *args) { + i2s_chan_handle_t tx_handle = (i2s_chan_handle_t)args; + i2s_chan_info_t chan_info; + TEST_ESP_OK(i2s_channel_get_info(tx_handle, &chan_info)); + i2s_chan_handle_t rx_handle = chan_info.pair_chan; + int cnt = 1; + + while (task_run_flag) { + /* Reconfig the slot while reading / writing */ + i2s_std_slot_config_t slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(SAMPLE_BITS, I2S_SLOT_MODE_STEREO); + TEST_ESP_OK(i2s_channel_disable(tx_handle)); + TEST_ESP_OK(i2s_channel_disable(rx_handle)); + printf("[%d] Reconfiguring the slot...\n", cnt); + TEST_ESP_OK(i2s_channel_reconfig_std_slot(tx_handle, &slot_cfg)); + TEST_ESP_OK(i2s_channel_reconfig_std_slot(rx_handle, &slot_cfg)); + TEST_ESP_OK(i2s_channel_enable(tx_handle)); + TEST_ESP_OK(i2s_channel_enable(rx_handle)); + vTaskDelay(pdMS_TO_TICKS(200)); + + /* Reconfig the clock while reading / writing */ + i2s_std_clk_config_t clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE / 2); + TEST_ESP_OK(i2s_channel_disable(tx_handle)); + TEST_ESP_OK(i2s_channel_disable(rx_handle)); + printf("[%d] Reconfiguring the clock...\n", cnt); + TEST_ESP_OK(i2s_channel_reconfig_std_clock(tx_handle, &clk_cfg)); + TEST_ESP_OK(i2s_channel_reconfig_std_clock(rx_handle, &clk_cfg)); + TEST_ESP_OK(i2s_channel_enable(tx_handle)); + TEST_ESP_OK(i2s_channel_enable(rx_handle)); + vTaskDelay(pdMS_TO_TICKS(200)); + + /* Reconfig the gpio while reading / writing */ + i2s_std_gpio_config_t gpio_cfg = { + .mclk = MASTER_MCK_IO, + .bclk = MASTER_WS_IO, + .ws = MASTER_BCK_IO, + .dout = DATA_IN_IO, + .din = DATA_IN_IO, + .invert_flags = { + .mclk_inv = false, + .bclk_inv = false, + .ws_inv = false, + }, + }; + TEST_ESP_OK(i2s_channel_disable(tx_handle)); + TEST_ESP_OK(i2s_channel_disable(rx_handle)); + printf("[%d] Reconfiguring the gpio...\n", cnt); + TEST_ESP_OK(i2s_channel_reconfig_std_gpio(tx_handle, &gpio_cfg)); + TEST_ESP_OK(i2s_channel_reconfig_std_gpio(rx_handle, &gpio_cfg)); + TEST_ESP_OK(i2s_channel_enable(tx_handle)); + TEST_ESP_OK(i2s_channel_enable(rx_handle)); + vTaskDelay(pdMS_TO_TICKS(200)); + + cnt++; + } + + vTaskDelete(NULL); +} + +TEST_CASE("I2S_thread_concurrent_safety_test", "[i2s]") +{ + i2s_chan_handle_t tx_handle; + i2s_chan_handle_t rx_handle; + i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER); + i2s_std_config_t std_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE), + .slot_cfg = I2S_STD_MSB_SLOT_DEFAULT_CONFIG(SAMPLE_BITS, I2S_SLOT_MODE_STEREO), + .gpio_cfg = { + .mclk = MASTER_MCK_IO, + .bclk = MASTER_BCK_IO, + .ws = MASTER_WS_IO, + .dout = DATA_OUT_IO, + .din = DATA_OUT_IO, + .invert_flags = { + .mclk_inv = false, + .bclk_inv = false, + .ws_inv = false, + }, + }, + }; + TEST_ESP_OK(i2s_new_channel(&chan_cfg, &tx_handle, &rx_handle)); + TEST_ESP_OK(i2s_channel_init_std_mode(tx_handle, &std_cfg)); + TEST_ESP_OK(i2s_channel_init_std_mode(rx_handle, &std_cfg)); + /* Enable the channels before creating reading/writing task*/ + TEST_ESP_OK(i2s_channel_enable(tx_handle)); + TEST_ESP_OK(i2s_channel_enable(rx_handle)); + + task_run_flag = true; + /* reading task to keep reading */ + xTaskCreate(i2s_read_task, "i2s_read_task", 4096, rx_handle, 5, NULL); + /* writing task to keep writing */ + xTaskCreate(i2s_write_task, "i2s_write_task", 4096, tx_handle, 5, NULL); + /* reconfig taks to reconfigurate the settings every 200 ms */ + xTaskCreate(i2s_reconfig_task, "i2s_reconfig_task", 4096, tx_handle, 6, NULL); + + /* Wait 3 seconds to see if any failures occur */ + vTaskDelay(pdMS_TO_TICKS(4000)); + + /* Stop those three tasks */ + task_run_flag = false; + + /* Wait for the three thread deleted */ + vTaskDelay(pdMS_TO_TICKS(1000)); + + /* Disable the channels, they will keep waiting until the current reading / writing finished */ + TEST_ESP_OK(i2s_channel_disable(tx_handle)); + TEST_ESP_OK(i2s_channel_disable(rx_handle)); + /* Delete the channels */ + TEST_ESP_OK(i2s_del_channel(tx_handle)); + TEST_ESP_OK(i2s_del_channel(rx_handle)); +} + +static uint32_t get_start_index(uint16_t *buf, uint32_t len, uint32_t start_val) +{ + uint32_t i = 0; + for (i = 0; i < len; i++) { + if (buf[i] == start_val) { + printf("%d %d %d %d %d %d %d %d\n", + buf[i], buf[i+1], buf[i+2], buf[i+3], + buf[i+4], buf[i+5], buf[i+6], buf[i+7]); + break; + } + } + return i; +} + +/** + * @brief Test mono and stereo mode of I2S by loopback + * @note Only rx channel distinguish left mono and right mono, tx channel does not + * @note 1. Check switch mono/stereo by 'i2s_set_clk' + * 2. Check rx right mono and left mono (requiring tx works in stereo mode) + * 3. Check tx mono (requiring rx works in stereo mode) + */ +TEST_CASE("I2S_mono_stereo_loopback_test", "[i2s]") +{ +#define WRITE_BUF_LEN 2000 +#define READ_BUF_LEN 4000 +#define RETEY_TIMES 3 + + i2s_chan_handle_t tx_handle; + i2s_chan_handle_t rx_handle; + + i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER); + chan_cfg.dma_desc_num = 8; + chan_cfg.dma_frame_num = 128; + i2s_std_config_t tx_std_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE), + // In stereo mode + .slot_cfg = I2S_STD_MSB_SLOT_DEFAULT_CONFIG(SAMPLE_BITS, I2S_SLOT_MODE_STEREO), + .gpio_cfg = { + .mclk = MASTER_MCK_IO, + .bclk = MASTER_BCK_IO, + .ws = MASTER_WS_IO, + .dout = DATA_OUT_IO, + .din = DATA_OUT_IO, + .invert_flags = { + .mclk_inv = false, + .bclk_inv = false, + .ws_inv = false, + }, + }, + }; + i2s_std_config_t rx_std_cfg = tx_std_cfg; + rx_std_cfg.slot_cfg.slot_mode = I2S_SLOT_MODE_MONO; + rx_std_cfg.slot_cfg.slot_mask = I2S_STD_SLOT_ONLY_RIGHT; + + /* TX channel basic test */ + TEST_ESP_OK(i2s_new_channel(&chan_cfg, &tx_handle, &rx_handle)); + TEST_ESP_OK(i2s_channel_init_std_mode(rx_handle, &rx_std_cfg)); + TEST_ESP_OK(i2s_channel_init_std_mode(tx_handle, &tx_std_cfg)); + TEST_ESP_OK(i2s_channel_enable(tx_handle)); + TEST_ESP_OK(i2s_channel_enable(rx_handle)); + + uint16_t *w_buf = calloc(1, WRITE_BUF_LEN); + uint16_t *r_buf = calloc(1, READ_BUF_LEN); + size_t w_bytes = 0; + size_t r_bytes = 0; + uint32_t index = 0; + uint32_t retry = 0; + for (int n = 0; n < WRITE_BUF_LEN / 2; n++) { + w_buf[n] = n%100; + } + + /* rx right mono test + * tx format: 0x00[L] 0x01[R] 0x02[L] 0x03[R] ... + * rx receive: 0x01[R] 0x03[R] ... */ + TEST_ESP_OK(i2s_channel_write(tx_handle, w_buf, WRITE_BUF_LEN, &w_bytes, portMAX_DELAY)); + for (retry = 0, index = READ_BUF_LEN / 2; (retry < RETEY_TIMES) && (index >= READ_BUF_LEN / 2 - 50); retry++) { + TEST_ESP_OK(i2s_channel_read(rx_handle, r_buf, READ_BUF_LEN, &r_bytes, portMAX_DELAY)); +#if CONFIG_IDF_TARGET_ESP32 + /* The data of tx/rx channels are flipped on ESP32 */ + for (int n = 0; n < READ_BUF_LEN / 2; n += 2) { + int16_t temp = r_buf[n]; + r_buf[n] = r_buf[n+1]; + r_buf[n+1] = temp; + } +#endif + index = get_start_index(r_buf, READ_BUF_LEN / 2, 1); + } + printf("Data start index: %d\n", index); + TEST_ASSERT(index < READ_BUF_LEN / 2 - 50); + for (int16_t j = 1; j < 100; j += 2) { + TEST_ASSERT_EQUAL_INT16(r_buf[index++], j); + } + printf("rx right mono test passed\n"); + + /* rx left mono test + * tx format: 0x00[L] 0x01[R] 0x02[L] 0x03[R] ... + * rx receive: 0x00[R] 0x02[R] ... */ + TEST_ESP_OK(i2s_channel_disable(tx_handle)); + TEST_ESP_OK(i2s_channel_disable(rx_handle)); + rx_std_cfg.slot_cfg.slot_mask = I2S_STD_SLOT_ONLY_LEFT; + TEST_ESP_OK(i2s_channel_reconfig_std_slot(rx_handle, &rx_std_cfg.slot_cfg)); + TEST_ESP_OK(i2s_channel_enable(tx_handle)); + TEST_ESP_OK(i2s_channel_enable(rx_handle)); + TEST_ESP_OK(i2s_channel_write(tx_handle, w_buf, WRITE_BUF_LEN, &w_bytes, portMAX_DELAY)); + for (retry = 0, index = READ_BUF_LEN / 2; (retry < RETEY_TIMES) && (index >= READ_BUF_LEN / 2 - 50); retry++) { + TEST_ESP_OK(i2s_channel_read(rx_handle, r_buf, READ_BUF_LEN, &r_bytes, portMAX_DELAY)); +#if CONFIG_IDF_TARGET_ESP32 + /* The data of tx/rx channels are flipped on ESP32 */ + for (int n = 0; n < READ_BUF_LEN / 2; n += 2) { + int16_t temp = r_buf[n]; + r_buf[n] = r_buf[n+1]; + r_buf[n+1] = temp; + } +#endif + index = get_start_index(r_buf, READ_BUF_LEN / 2, 2); + } + printf("Data start index: %d\n", index); + TEST_ASSERT(index < READ_BUF_LEN / 2 - 50); + for (int16_t j = 2; j < 100; j += 2) { + TEST_ASSERT_EQUAL_INT16(r_buf[index++], j); + } + printf("rx left mono test passed\n"); + + /* tx/rx stereo test + * tx format: 0x00[L] 0x01[R] 0x02[L] 0x03[R] ... + * rx receive: 0x00[L] 0x01[R] 0x02[L] 0x03[R] ... */ + TEST_ESP_OK(i2s_channel_disable(tx_handle)); + TEST_ESP_OK(i2s_channel_disable(rx_handle)); + rx_std_cfg.slot_cfg.slot_mode = I2S_SLOT_MODE_STEREO; + rx_std_cfg.slot_cfg.slot_mask = I2S_STD_SLOT_LEFT_RIGHT; + TEST_ESP_OK(i2s_channel_reconfig_std_slot(rx_handle, &rx_std_cfg.slot_cfg)); + TEST_ESP_OK(i2s_channel_enable(tx_handle)); + TEST_ESP_OK(i2s_channel_enable(rx_handle)); + TEST_ESP_OK(i2s_channel_write(tx_handle, w_buf, WRITE_BUF_LEN, &w_bytes, portMAX_DELAY)); + for (retry = 0, index = READ_BUF_LEN / 2; (retry < RETEY_TIMES) && (index >= READ_BUF_LEN / 2 - 100); retry++) { + TEST_ESP_OK(i2s_channel_read(rx_handle, r_buf, READ_BUF_LEN, &r_bytes, portMAX_DELAY)); + index = get_start_index(r_buf, READ_BUF_LEN / 2, 1); + } + + printf("Data start index: %d\n", index); + TEST_ASSERT(index < READ_BUF_LEN / 2 - 100); + for (int16_t j = 1; j < 100; j ++) { + TEST_ASSERT_EQUAL_INT16(r_buf[index++], j); // receive all number + } + printf("tx/rx stereo test passed\n"); + +#if !CONFIG_IDF_TARGET_ESP32 // the 16 bit channel sequence on ESP32 is incorrect + /* tx mono rx stereo test + * tx format: 0x01[L] 0x01[R] 0x02[L] 0x02[R] ... + * rx receive: 0x01[L] 0x01[R] 0x02[L] 0x02[R] ... */ + TEST_ESP_OK(i2s_channel_disable(tx_handle)); + TEST_ESP_OK(i2s_channel_disable(rx_handle)); + i2s_std_slot_config_t std_slot = I2S_STD_MSB_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_MONO); + TEST_ESP_OK(i2s_channel_reconfig_std_slot(tx_handle, &std_slot)); + TEST_ESP_OK(i2s_channel_reconfig_std_slot(rx_handle, &rx_std_cfg.slot_cfg)); + TEST_ESP_OK(i2s_channel_enable(tx_handle)); + TEST_ESP_OK(i2s_channel_enable(rx_handle)); + TEST_ESP_OK(i2s_channel_write(tx_handle, w_buf, WRITE_BUF_LEN, &w_bytes, portMAX_DELAY)); + for (retry = 0, index = READ_BUF_LEN / 2; (retry < RETEY_TIMES) && (index >= READ_BUF_LEN / 2 - 100); retry++) { + TEST_ESP_OK(i2s_channel_read(rx_handle, r_buf, READ_BUF_LEN, &r_bytes, portMAX_DELAY)); + index = get_start_index(r_buf, READ_BUF_LEN / 2, 1); + } + printf("Data start index: %d\n", index); + TEST_ASSERT(index < READ_BUF_LEN / 2 - 200); + for (int16_t j = 1; j < 100; j ++) { + TEST_ASSERT_EQUAL_INT16(r_buf[index], j); + index += 2; + } + printf("tx mono rx stereo test passed\n"); +#endif + + free(w_buf); + free(r_buf); + TEST_ESP_OK(i2s_channel_disable(tx_handle)); + TEST_ESP_OK(i2s_channel_disable(rx_handle)); + TEST_ESP_OK(i2s_del_channel(tx_handle)); + TEST_ESP_OK(i2s_del_channel(rx_handle)); +} + +TEST_CASE("I2S_memory_leak_test", "[i2s]") +{ + i2s_chan_handle_t tx_handle; + i2s_chan_handle_t rx_handle; + + i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_AUTO, I2S_ROLE_MASTER); + i2s_std_config_t std_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE), + .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(SAMPLE_BITS, I2S_SLOT_MODE_STEREO), + .gpio_cfg = I2S_TEST_MASTER_DEFAULT_PIN, + }; + + /* The first operation will always take some memory */ + TEST_ESP_OK(i2s_new_channel(&chan_cfg, &tx_handle, &rx_handle)); + TEST_ESP_OK(i2s_channel_init_std_mode(tx_handle, &std_cfg)); + TEST_ESP_OK(i2s_channel_init_std_mode(rx_handle, &std_cfg)); + std_cfg.slot_cfg.data_bit_width = I2S_DATA_BIT_WIDTH_32BIT; + TEST_ESP_OK(i2s_channel_reconfig_std_slot(tx_handle, &std_cfg.slot_cfg)); + std_cfg.clk_cfg.sample_rate_hz = 44100; + TEST_ESP_OK(i2s_channel_reconfig_std_clock(tx_handle, &std_cfg.clk_cfg)); + TEST_ESP_OK(i2s_del_channel(tx_handle)); + TEST_ESP_OK(i2s_del_channel(rx_handle)); + + int memory_left = esp_get_free_heap_size(); + printf("\r\nHeap size before: %d\n", memory_left); + for (int i = 0; i < 30; i++) { + TEST_ESP_OK(i2s_new_channel(&chan_cfg, &tx_handle, &rx_handle)); + TEST_ESP_OK(i2s_channel_init_std_mode(tx_handle, &std_cfg)); + TEST_ESP_OK(i2s_channel_init_std_mode(rx_handle, &std_cfg)); + std_cfg.slot_cfg.data_bit_width = I2S_DATA_BIT_WIDTH_32BIT; + TEST_ESP_OK(i2s_channel_reconfig_std_slot(tx_handle, &std_cfg.slot_cfg)); + std_cfg.clk_cfg.sample_rate_hz = 44100; + TEST_ESP_OK(i2s_channel_reconfig_std_clock(tx_handle, &std_cfg.clk_cfg)); + TEST_ESP_OK(i2s_del_channel(tx_handle)); + TEST_ESP_OK(i2s_del_channel(rx_handle)); + TEST_ASSERT(memory_left == esp_get_free_heap_size()); + } + printf("\r\nHeap size after: %d\n", esp_get_free_heap_size()); +} + +TEST_CASE("I2S_loopback_test", "[i2s]") +{ + i2s_chan_handle_t tx_handle; + i2s_chan_handle_t rx_handle; + + i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER); + i2s_std_config_t std_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE), + .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(SAMPLE_BITS, I2S_SLOT_MODE_STEREO), + .gpio_cfg = I2S_TEST_MASTER_DEFAULT_PIN, + }; + TEST_ESP_OK(i2s_new_channel(&chan_cfg, &tx_handle, &rx_handle)); + TEST_ESP_OK(i2s_channel_init_std_mode(tx_handle, &std_cfg)); + TEST_ESP_OK(i2s_channel_init_std_mode(rx_handle, &std_cfg)); + i2s_test_io_config(I2S_TEST_MODE_LOOPBACK); + + TEST_ESP_OK(i2s_channel_enable(tx_handle)); + TEST_ESP_OK(i2s_channel_enable(rx_handle)); + + i2s_read_write_test(tx_handle, rx_handle); + + TEST_ESP_OK(i2s_channel_disable(tx_handle)); + TEST_ESP_OK(i2s_channel_disable(rx_handle)); + TEST_ESP_OK(i2s_del_channel(tx_handle)); + TEST_ESP_OK(i2s_del_channel(rx_handle)); +} + +#if SOC_I2S_NUM > 1 +TEST_CASE("I2S_master_write_slave_read_test", "[i2s]") +{ + i2s_chan_handle_t tx_handle; + i2s_chan_handle_t rx_handle; + + i2s_chan_config_t mst_chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER); + i2s_chan_config_t slv_chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_1, I2S_ROLE_SLAVE); + + i2s_std_config_t std_mst_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE), + .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(SAMPLE_BITS, I2S_SLOT_MODE_STEREO), + .gpio_cfg = I2S_TEST_MASTER_DEFAULT_PIN, + }; + + i2s_std_config_t std_slv_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE), + .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(SAMPLE_BITS, I2S_SLOT_MODE_STEREO), + .gpio_cfg = I2S_TEST_SLAVE_DEFAULT_PIN, + }; + + TEST_ESP_OK(i2s_new_channel(&mst_chan_cfg, &tx_handle, NULL)); + TEST_ESP_OK(i2s_new_channel(&slv_chan_cfg, NULL, &rx_handle)); + TEST_ESP_OK(i2s_channel_init_std_mode(tx_handle, &std_mst_cfg)); + TEST_ESP_OK(i2s_channel_init_std_mode(rx_handle, &std_slv_cfg)); + i2s_test_io_config(I2S_TEST_MODE_MASTER_TO_SLAVE); + + TEST_ESP_OK(i2s_channel_enable(tx_handle)); + TEST_ESP_OK(i2s_channel_enable(rx_handle)); + + i2s_read_write_test(tx_handle, rx_handle); + + TEST_ESP_OK(i2s_channel_disable(tx_handle)); + TEST_ESP_OK(i2s_channel_disable(rx_handle)); + TEST_ESP_OK(i2s_del_channel(tx_handle)); + TEST_ESP_OK(i2s_del_channel(rx_handle)); +} + +TEST_CASE("I2S_master_read_slave_write_test", "[i2s]") +{ + i2s_chan_handle_t tx_handle; + i2s_chan_handle_t rx_handle; + + i2s_chan_config_t mst_chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER); + i2s_chan_config_t slv_chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_1, I2S_ROLE_SLAVE); + i2s_std_config_t std_mst_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE), + .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(SAMPLE_BITS, I2S_SLOT_MODE_STEREO), + .gpio_cfg = I2S_TEST_MASTER_DEFAULT_PIN, + }; + + i2s_std_config_t std_slv_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE), + .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(SAMPLE_BITS, I2S_SLOT_MODE_STEREO), + .gpio_cfg = I2S_TEST_SLAVE_DEFAULT_PIN, + }; + + TEST_ESP_OK(i2s_new_channel(&mst_chan_cfg, NULL, &rx_handle)); + TEST_ESP_OK(i2s_new_channel(&slv_chan_cfg, &tx_handle, NULL)); + TEST_ESP_OK(i2s_channel_init_std_mode(tx_handle, &std_slv_cfg)); + TEST_ESP_OK(i2s_channel_init_std_mode(rx_handle, &std_mst_cfg)); + i2s_test_io_config(I2S_TEST_MODE_SLAVE_TO_MASTER); + + TEST_ESP_OK(i2s_channel_enable(tx_handle)); + TEST_ESP_OK(i2s_channel_enable(rx_handle)); + + i2s_read_write_test(tx_handle, rx_handle); + + TEST_ESP_OK(i2s_channel_disable(tx_handle)); + TEST_ESP_OK(i2s_channel_disable(rx_handle)); + TEST_ESP_OK(i2s_del_channel(tx_handle)); + TEST_ESP_OK(i2s_del_channel(rx_handle)); +} +#endif + +/*------------------------------ Clock Test --------------------------------*/ +#if SOC_PCNT_SUPPORTED +#define TEST_I2S_PERIOD_MS 100 +static void i2s_test_common_sample_rate(i2s_chan_handle_t rx_chan, i2s_std_clk_config_t* clk_cfg) +{ + TEST_ASSERT_NOT_NULL(rx_chan); + TEST_ASSERT_NOT_NULL(clk_cfg); + + /* Prepare configuration for the PCNT unit */ + pcnt_unit_handle_t pcnt_unit = NULL; + pcnt_channel_handle_t pcnt_chan = NULL; + + pcnt_unit_config_t unit_config = { + .high_limit = (int16_t)0x7fff, + .low_limit = (int16_t)0x8000, + }; + pcnt_chan_config_t chan_config = { + .edge_gpio_num = MASTER_WS_IO, + .level_gpio_num = -1, + }; + TEST_ESP_OK(pcnt_new_unit(&unit_config, &pcnt_unit)); + TEST_ESP_OK(pcnt_unit_set_glitch_filter(pcnt_unit, NULL)); + TEST_ESP_OK(pcnt_new_channel(pcnt_unit, &chan_config, &pcnt_chan)); + TEST_ESP_OK(pcnt_channel_set_edge_action(pcnt_chan, PCNT_CHANNEL_EDGE_ACTION_INCREASE, PCNT_CHANNEL_EDGE_ACTION_HOLD)); + TEST_ESP_OK(pcnt_channel_set_level_action(pcnt_chan, PCNT_CHANNEL_LEVEL_ACTION_KEEP, PCNT_CHANNEL_LEVEL_ACTION_KEEP)); + TEST_ESP_OK(pcnt_unit_enable(pcnt_unit)); + + // Reconfig GPIO signal + gpio_hal_iomux_func_sel(GPIO_PIN_MUX_REG[MASTER_WS_IO], PIN_FUNC_GPIO); + gpio_set_direction(MASTER_WS_IO, GPIO_MODE_INPUT_OUTPUT); + esp_rom_gpio_connect_out_signal(MASTER_WS_IO, i2s_periph_signal[0].m_rx_ws_sig, 0, 0); + esp_rom_gpio_connect_in_signal(MASTER_WS_IO, pcnt_periph_signals.groups[0].units[0].channels[0].pulse_sig, 0); + + // Test common sample rate + uint32_t test_freq[15] = {8000, 11025, 12000, 16000, 22050, 24000, + 32000, 44100, 48000, 64000, 88200, 96000, + 128000, 144000, 196000}; + int real_pulse = 0; + for (int i = 0; i < 15; i++) { + int expt_pulse = (int)((float)test_freq[i] * (TEST_I2S_PERIOD_MS / 1000.0)); + clk_cfg->sample_rate_hz = test_freq[i]; + TEST_ESP_OK(i2s_channel_reconfig_std_clock(rx_chan, clk_cfg)); + TEST_ESP_OK(i2s_channel_enable(rx_chan)); + vTaskDelay(1); // Waiting for hardware totally started + // pcnt will count the pulse number on WS signal in 100ms + TEST_ESP_OK(pcnt_unit_clear_count(pcnt_unit)); + TEST_ESP_OK(pcnt_unit_start(pcnt_unit)); + vTaskDelay(pdMS_TO_TICKS(TEST_I2S_PERIOD_MS)); + TEST_ESP_OK(pcnt_unit_stop(pcnt_unit)); + TEST_ESP_OK(pcnt_unit_get_count(pcnt_unit, &real_pulse)); + printf("[%d Hz] %d pulses, expected %d, err %d\n", test_freq[i], real_pulse, expt_pulse, real_pulse - expt_pulse); + TEST_ESP_OK(i2s_channel_disable(rx_chan)); + // Check if the error between real pulse number and expected pulse number is within 1% + TEST_ASSERT_INT_WITHIN(expt_pulse * 0.01, expt_pulse, real_pulse); + } + TEST_ESP_OK(pcnt_del_channel(pcnt_chan)); + TEST_ESP_OK(pcnt_unit_stop(pcnt_unit)); + TEST_ESP_OK(pcnt_unit_disable(pcnt_unit)); + TEST_ESP_OK(pcnt_del_unit(pcnt_unit)); +} + +TEST_CASE("I2S_default_PLL_clock_test", "[i2s]") +{ + i2s_chan_handle_t rx_handle; + + i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER); + i2s_std_config_t std_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE), + .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(SAMPLE_BITS, I2S_SLOT_MODE_STEREO), + .gpio_cfg = I2S_TEST_MASTER_DEFAULT_PIN, + }; + + TEST_ESP_OK(i2s_new_channel(&chan_cfg, NULL, &rx_handle)); + TEST_ESP_OK(i2s_channel_init_std_mode(rx_handle, &std_cfg)); + + i2s_test_common_sample_rate(rx_handle, &std_cfg.clk_cfg); + TEST_ESP_OK(i2s_del_channel(rx_handle)); +} + +#if SOC_I2S_SUPPORTS_APLL +TEST_CASE("I2S_APLL_clock_test", "[i2s]") +{ + i2s_chan_handle_t rx_handle; + + i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER); + i2s_std_config_t std_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE), + .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(SAMPLE_BITS, I2S_SLOT_MODE_STEREO), + .gpio_cfg = I2S_TEST_MASTER_DEFAULT_PIN, + }; + std_cfg.clk_cfg.clk_src = I2S_CLK_SRC_APLL; + + TEST_ESP_OK(i2s_new_channel(&chan_cfg, NULL, &rx_handle)); + TEST_ESP_OK(i2s_channel_init_std_mode(rx_handle, &std_cfg)); + + i2s_test_common_sample_rate(rx_handle, &std_cfg.clk_cfg); + TEST_ESP_OK(i2s_del_channel(rx_handle)); +} +#endif // SOC_I2S_SUPPORTS_APLL +#endif // SOC_PCNT_SUPPORTED + +static IRAM_ATTR bool i2s_rx_queue_overflow_callback(i2s_chan_handle_t handle, i2s_event_data_t *event, void *user_ctx) +{ + int *cnt = (int *)user_ctx; + (*cnt)++; + return false; +} + +TEST_CASE("I2S_package_lost_test", "[i2s]") +{ + /* Steps of calculate appropriate parameters of I2S buffer: + * Known by user: sample_rate = 144k, data_bit_width = 32, slot_num = 2, polling_cycle = 10 ms + * 1. dma_buffer_size = dma_frame_num * slot_num * data_bit_width / 8 <= 4092 + * dma_frame_num <= 511, dma_frame_num is as big as possible. + * interrupt_interval = dma_frame_num / sample_rate = 3.549 ms + * 2. dma_desc_num > polling_cycle / interrupt_interval = cell(2.818) = 3 + * 3. recv_buffer_size > dma_desc_num * dma_buffer_size = 3 * 4092 = 12276 bytes */ + #define TEST_RECV_BUF_LEN 12276 + i2s_chan_handle_t rx_handle; + + i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_AUTO, I2S_ROLE_MASTER); + chan_cfg.dma_desc_num = 3; + chan_cfg.dma_frame_num = 511; + i2s_std_config_t std_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(SAMPLE_RATE), + .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_32BIT, I2S_SLOT_MODE_STEREO), + .gpio_cfg = I2S_TEST_MASTER_DEFAULT_PIN, + }; + + TEST_ESP_OK(i2s_new_channel(&chan_cfg, NULL, &rx_handle)); + TEST_ESP_OK(i2s_channel_init_std_mode(rx_handle, &std_cfg)); + i2s_event_callbacks_t cbs = { + .on_recv = NULL, + .on_recv_q_ovf = i2s_rx_queue_overflow_callback, + .on_sent = NULL, + .on_send_q_ovf = NULL, + }; + int count = 0; + TEST_ESP_OK(i2s_channel_register_event_callback(rx_handle, &cbs, &count)); + + uint32_t test_freq[] = {16000, 32000, 48000, 64000, 96000, 128000, 144000}; + uint32_t test_num = sizeof(test_freq) / sizeof(uint32_t); + uint8_t *data = (uint8_t *)calloc(TEST_RECV_BUF_LEN, sizeof(uint8_t)); + size_t bytes_read = 0; + int i; + for (i = 0; i < test_num; i++) { + printf("Testing %d Hz sample rate\n", test_freq[i]); + std_cfg.clk_cfg.sample_rate_hz = test_freq[i]; + std_cfg.clk_cfg.sample_rate_hz = test_freq[i]; + TEST_ESP_OK(i2s_channel_reconfig_std_clock(rx_handle, &std_cfg.clk_cfg)); + TEST_ESP_OK(i2s_channel_enable(rx_handle)); + for (int j = 0; j < 10; j++) { + TEST_ESP_OK(i2s_channel_read(rx_handle, (void *)data, TEST_RECV_BUF_LEN, &bytes_read, portMAX_DELAY)); + // To simulate 10ms delay caused by other statements like data process + vTaskDelay(1); + } + TEST_ESP_OK(i2s_channel_disable(rx_handle)); + if (count > 0) { + printf("package lost detected at %d Hz\n", test_freq[i]); + goto finish; + } + } +finish: + TEST_ESP_OK(i2s_del_channel(rx_handle)); + free(data); + // Test failed if package lost within 96000 + TEST_ASSERT(i == test_num); +} diff --git a/components/driver/test_apps/i2s_test_apps/i2s/main/test_i2s_iram.c b/components/driver/test_apps/i2s_test_apps/i2s/main/test_i2s_iram.c new file mode 100644 index 0000000000..f53912461e --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/i2s/main/test_i2s_iram.c @@ -0,0 +1,114 @@ +/* + * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD + * + * SPDX-License-Identifier: Apache-2.0 + */ + +#include +#include "sdkconfig.h" +#include "freertos/FreeRTOS.h" +#include "freertos/task.h" +#include "freertos/semphr.h" +#include "unity.h" +#include "driver/i2s_std.h" +#include "esp_spi_flash.h" +#include "esp_attr.h" +#include "soc/soc_caps.h" +#include "esp_private/i2s_platform.h" +#include "test_inc/test_i2s.h" + +#if CONFIG_I2S_ISR_IRAM_SAFE + +#define GET_DMA_BUFFERS_BY_OFFSET(base_addr, offset) (uint8_t **)(*((uint32_t *)base_addr + offset)) + +static bool IRAM_ATTR test_i2s_tx_done_callback(i2s_chan_handle_t handle, i2s_event_data_t *event, void *user_ctx) +{ + int *is_triggered = (int *)user_ctx; + if (*(uint8_t *)(event->data) != 0) { + *is_triggered = 1; + } + return false; +} + +static void IRAM_ATTR test_i2s_iram_write(i2s_chan_handle_t tx_handle) +{ + // Get the DMA buf pointer via the offset of 'bufs' field in i2s_channel_t struct + size_t offset = i2s_platform_get_dma_buffer_offset() / sizeof(uint32_t); // Get the offset and transfer to unit 'uint32_t' (i.e. 4 bytes) + uint8_t **dma_bufs = GET_DMA_BUFFERS_BY_OFFSET(tx_handle, offset); + + // disable cache and non-iram ISR handlers + spi_flash_guard_get()->start(); + // write data into dma buffer directly, the data in dma buffer will be sent automatically + for (int i=0; i < 100; i++) { + dma_bufs[0][i] = i + 1; + } + // enable cache and non-iram ISR handlers + spi_flash_guard_get()->end(); +} + +TEST_CASE("i2s_iram_interrupt_safe", "[i2s]") +{ + i2s_chan_handle_t tx_chan = NULL; + i2s_chan_handle_t rx_chan = NULL; + + i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_AUTO, I2S_ROLE_MASTER); + chan_cfg.dma_desc_num = 6; + chan_cfg.dma_frame_num = 200; + TEST_ESP_OK(i2s_new_channel(&chan_cfg, &tx_chan, &rx_chan)); + i2s_std_config_t std_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(16000), + .slot_cfg = I2S_STD_MSB_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_STEREO), + .gpio_cfg = { + .mclk = MASTER_MCK_IO, + .bclk = MASTER_BCK_IO, + .ws = MASTER_WS_IO, + .dout = DATA_OUT_IO, + .din = DATA_OUT_IO, // same gpio to loopback + .invert_flags = { + .mclk_inv = false, + .bclk_inv = false, + .ws_inv = false, + }, + }, + }; + TEST_ESP_OK(i2s_channel_init_std_mode(tx_chan, &std_cfg)); + TEST_ESP_OK(i2s_channel_init_std_mode(rx_chan, &std_cfg)); + int is_triggerred = 0; + i2s_event_callbacks_t cbs = { + .on_recv = NULL, + .on_recv_q_ovf = NULL, + .on_sent = test_i2s_tx_done_callback, + .on_send_q_ovf = NULL, + }; + TEST_ESP_OK(i2s_channel_register_event_callback(tx_chan, &cbs, &is_triggerred)); + TEST_ESP_OK(i2s_channel_enable(tx_chan)); + TEST_ESP_OK(i2s_channel_enable(rx_chan)); + + uint8_t *recv_buf = (uint8_t *)calloc(1, 2000); + TEST_ASSERT(recv_buf != NULL); + size_t r_bytes; + int i = 0; + test_i2s_iram_write(tx_chan); + for (int retry = 0; retry < 3; retry++) { + i2s_channel_read(rx_chan, recv_buf, 2000, &r_bytes, pdMS_TO_TICKS(1000)); + for (i = 0; i < 2000 - 100; i++) { + if (recv_buf[i] != 0) { + goto finish; + } + } + } +finish: + TEST_ESP_OK(i2s_channel_disable(tx_chan)); + TEST_ESP_OK(i2s_channel_disable(rx_chan)); + TEST_ESP_OK(i2s_del_channel(tx_chan)); + TEST_ESP_OK(i2s_del_channel(rx_chan)); + + TEST_ASSERT(i < (2000 - 100)); + for (int j = 1; j <= 100; j++) { + TEST_ASSERT_EQUAL_UINT8(recv_buf[i++], j); + } + TEST_ASSERT(is_triggerred); + free(recv_buf); +} + +#endif // CONFIG_PCNT_ISR_IRAM_SAFE diff --git a/components/driver/test_apps/i2s_test_apps/i2s/pytest_i2s.py b/components/driver/test_apps/i2s_test_apps/i2s/pytest_i2s.py new file mode 100644 index 0000000000..f715d67eef --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/i2s/pytest_i2s.py @@ -0,0 +1,24 @@ +# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD +# SPDX-License-Identifier: Apache-2.0 + +import pytest +from pytest_embedded import Dut + + +@pytest.mark.esp32 +@pytest.mark.esp32s2 +@pytest.mark.esp32c3 +@pytest.mark.esp32s3 +@pytest.mark.generic +@pytest.mark.parametrize( + 'config', + [ + 'iram_safe', + 'release', + ], + indirect=True, +) +def test_i2s(dut: Dut) -> None: + dut.expect_exact('Press ENTER to see the list of tests') + dut.write('*') + dut.expect_unity_test_output() diff --git a/components/driver/test_apps/i2s_test_apps/i2s/sdkconfig.ci.iram_safe b/components/driver/test_apps/i2s_test_apps/i2s/sdkconfig.ci.iram_safe new file mode 100644 index 0000000000..350ce3b2ca --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/i2s/sdkconfig.ci.iram_safe @@ -0,0 +1,5 @@ +CONFIG_COMPILER_DUMP_RTL_FILES=y +CONFIG_I2S_ISR_IRAM_SAFE=y + +# silent the error check, as the error string are stored in rodata, causing RTL check failure +CONFIG_COMPILER_OPTIMIZATION_CHECKS_SILENT=y diff --git a/components/driver/test_apps/i2s_test_apps/i2s/sdkconfig.ci.release b/components/driver/test_apps/i2s_test_apps/i2s/sdkconfig.ci.release new file mode 100644 index 0000000000..91d93f163e --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/i2s/sdkconfig.ci.release @@ -0,0 +1,5 @@ +CONFIG_PM_ENABLE=y +CONFIG_FREERTOS_USE_TICKLESS_IDLE=y +CONFIG_COMPILER_OPTIMIZATION_SIZE=y +CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_SIZE=y +CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT=y diff --git a/components/driver/test_apps/i2s_test_apps/i2s/sdkconfig.defaults b/components/driver/test_apps/i2s_test_apps/i2s/sdkconfig.defaults new file mode 100644 index 0000000000..b1692edbce --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/i2s/sdkconfig.defaults @@ -0,0 +1,2 @@ +CONFIG_I2S_ENABLE_DEBUG_LOG=y +CONFIG_ESP_TASK_WDT=n diff --git a/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/CMakeLists.txt b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/CMakeLists.txt new file mode 100644 index 0000000000..af458843d5 --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/CMakeLists.txt @@ -0,0 +1,5 @@ +# This is the project CMakeLists.txt file for the test subproject +cmake_minimum_required(VERSION 3.16) + +include($ENV{IDF_PATH}/tools/cmake/project.cmake) +project(i2s_adc_dac_test) diff --git a/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/README.md b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/README.md new file mode 100644 index 0000000000..d00f700643 --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/README.md @@ -0,0 +1,2 @@ +| Supported Targets | ESP32 | +| ----------------- | ----- | \ No newline at end of file diff --git a/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/main/CMakeLists.txt b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/main/CMakeLists.txt new file mode 100644 index 0000000000..b50ed4fa22 --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/main/CMakeLists.txt @@ -0,0 +1,6 @@ +set(srcs "test_app_main.c" + "test_i2s_adc.c" + "test_i2s_dac.c") + +idf_component_register(SRCS ${srcs} + WHOLE_ARCHIVE) diff --git a/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/main/test_app_main.c b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/main/test_app_main.c new file mode 100644 index 0000000000..530b0dc98e --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/main/test_app_main.c @@ -0,0 +1,53 @@ +/* + * SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD + * + * SPDX-License-Identifier: Apache-2.0 + */ + +#include "unity.h" +#include "unity_test_runner.h" +#include "esp_heap_caps.h" + +// Some resources are lazy allocated in I2S driver, the threadhold is left for that case +#define TEST_MEMORY_LEAK_THRESHOLD (-400) + +static size_t before_free_8bit; +static size_t before_free_32bit; + +static void check_leak(size_t before_free, size_t after_free, const char *type) +{ + ssize_t delta = after_free - before_free; + printf("MALLOC_CAP_%s: Before %u bytes free, After %u bytes free (delta %d)\n", type, before_free, after_free, delta); + TEST_ASSERT_MESSAGE(delta >= TEST_MEMORY_LEAK_THRESHOLD, "memory leak"); +} + +void setUp(void) +{ + before_free_8bit = heap_caps_get_free_size(MALLOC_CAP_8BIT); + before_free_32bit = heap_caps_get_free_size(MALLOC_CAP_32BIT); +} + +void tearDown(void) +{ + size_t after_free_8bit = heap_caps_get_free_size(MALLOC_CAP_8BIT); + size_t after_free_32bit = heap_caps_get_free_size(MALLOC_CAP_32BIT); + check_leak(before_free_8bit, after_free_8bit, "8BIT"); + check_leak(before_free_32bit, after_free_32bit, "32BIT"); +} + +void app_main(void) +{ + // ___ ____ ____ _____ _ + // |_ _|___ \/ ___| |_ _|__ ___| |_ + // | | __) \___ \ | |/ _ \/ __| __| + // | | / __/ ___) | | | __/\__ \ |_ + // |___|_____|____/ |_|\___||___/\__| + + printf(" ___ ____ ____ _____ _ \r\n"); + printf(" |_ _|___ \\/ ___| |_ _|__ ___| |_ \r\n"); + printf(" | | __) \\___ \\ | |/ _ \\/ __| __|\r\n"); + printf(" | | / __/ ___) | | | __/\\__ \\ |_ \r\n"); + printf(" |___|_____|____/ |_|\\___||___/\\__|(ADC/DAC)\r\n"); + + unity_run_menu(); +} diff --git a/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/main/test_dac_audio_file.h b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/main/test_dac_audio_file.h new file mode 100644 index 0000000000..fbe62c647c --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/main/test_dac_audio_file.h @@ -0,0 +1,4980 @@ +/* + * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD + * + * SPDX-License-Identifier: Apache-2.0 + */ + +#include +const unsigned char audio_table[] = { + 0x7e, 0x7e, 0x7e, 0x80, 0x7e, 0x80, 0x81, 0x81, 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b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/main/test_i2s_adc.c @@ -0,0 +1,252 @@ +/* + * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD + * + * SPDX-License-Identifier: Apache-2.0 + */ + +/* + Tests for the adc device driver on ESP32 only +*/ +#include "sdkconfig.h" +#if CONFIG_IDF_TARGET_ESP32 + +#include "esp_system.h" +#include "driver/adc.h" +#include "driver/rtc_io.h" +#include "driver/gpio.h" +#include "unity.h" +#include "esp_system.h" +#include "esp_event.h" +#include "esp_wifi.h" +#include "esp_log.h" +#include "nvs_flash.h" +#include "esp_rom_sys.h" +#include "driver/dac.h" +#include "soc/adc_periph.h" + +/* + * ADC DMA testcase + */ +#include "driver/i2s.h" + +//i2s number +#define EXAMPLE_I2S_NUM (0) +//i2s sample rate +#define EXAMPLE_I2S_SAMPLE_RATE (150000) +//i2s data bits +#define EXAMPLE_I2S_SAMPLE_BITS (16) +//enable display buffer for debug +#define EXAMPLE_I2S_BUF_DEBUG (0) +//I2S read buffer length +#define EXAMPLE_I2S_READ_LEN (16 * 1024) +//I2S data format, ADC-I2S only support mono. +#define EXAMPLE_I2S_FORMAT I2S_CHANNEL_FMT_ONLY_RIGHT +//I2S built-in ADC unit +#define I2S_ADC_UNIT ADC_UNIT_1 +//I2S built-in ADC channel +#define I2S_ADC_CHANNEL ADC1_CHANNEL_4 + +#define ADC_GET_IO_NUM(periph, channel) (adc_channel_io_map[periph][channel]) + +static void adc_fake_tie_middle(adc_unit_t adc_unit, adc_channel_t channel) +{ + gpio_num_t gpio_num = 0; + if (adc_unit == ADC_UNIT_1) { + gpio_num = ADC_GET_IO_NUM(0, channel); + TEST_ESP_OK(rtc_gpio_init(gpio_num)); + TEST_ESP_OK(rtc_gpio_pullup_en(gpio_num)); + TEST_ESP_OK(rtc_gpio_pulldown_en(gpio_num)); + TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_PULLUP_PULLDOWN)); + TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_DISABLED)); + } + if (adc_unit == ADC_UNIT_2) { + gpio_num = ADC_GET_IO_NUM(1, channel); + TEST_ESP_OK(rtc_gpio_init(gpio_num)); + TEST_ESP_OK(rtc_gpio_pullup_en(gpio_num)); + TEST_ESP_OK(rtc_gpio_pulldown_en(gpio_num)); + TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_PULLUP_PULLDOWN)); + TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_DISABLED)); + } + vTaskDelay(10 / portTICK_PERIOD_MS); +} + +static void adc_fake_tie_high(adc_unit_t adc_unit, adc_channel_t channel) +{ + gpio_num_t gpio_num = 0; + if (adc_unit == ADC_UNIT_1) { + gpio_num = ADC_GET_IO_NUM(0, channel); + TEST_ESP_OK(rtc_gpio_init(gpio_num)); + TEST_ESP_OK(rtc_gpio_pullup_en(gpio_num)); + TEST_ESP_OK(rtc_gpio_pulldown_dis(gpio_num)); + TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_PULLUP_ONLY)); + TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_OUTPUT_ONLY)); + TEST_ESP_OK(rtc_gpio_set_level(gpio_num, 1)); + } + if (adc_unit == ADC_UNIT_2) { + gpio_num = ADC_GET_IO_NUM(1, channel); + TEST_ESP_OK(rtc_gpio_init(gpio_num)); + TEST_ESP_OK(rtc_gpio_pullup_en(gpio_num)); + TEST_ESP_OK(rtc_gpio_pulldown_dis(gpio_num)); + TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_PULLUP_ONLY)); + TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_OUTPUT_ONLY)); + TEST_ESP_OK(rtc_gpio_set_level(gpio_num, 1)); + } + vTaskDelay(10 / portTICK_PERIOD_MS); +} + +static void adc_fake_tie_low(adc_unit_t adc_unit, adc_channel_t channel) +{ + gpio_num_t gpio_num = 0; + if (adc_unit == ADC_UNIT_1) { + gpio_num = ADC_GET_IO_NUM(0, channel); + TEST_ESP_OK(rtc_gpio_init(gpio_num)); + TEST_ESP_OK(rtc_gpio_pullup_dis(gpio_num)); + TEST_ESP_OK(rtc_gpio_pulldown_en(gpio_num)); + TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_PULLDOWN_ONLY)); + TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_OUTPUT_ONLY)); + TEST_ESP_OK(rtc_gpio_set_level(gpio_num, 0)); + } + if (adc_unit == ADC_UNIT_2) { + gpio_num = ADC_GET_IO_NUM(1, channel); + TEST_ESP_OK(rtc_gpio_init(gpio_num)); + TEST_ESP_OK(rtc_gpio_pullup_dis(gpio_num)); + TEST_ESP_OK(rtc_gpio_pulldown_en(gpio_num)); + TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_PULLDOWN_ONLY)); + TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_OUTPUT_ONLY)); + TEST_ESP_OK(rtc_gpio_set_level(gpio_num, 0)); + } + vTaskDelay(10 / portTICK_PERIOD_MS); +} + +static void adc_io_normal(adc_unit_t adc_unit, adc_channel_t channel) +{ + gpio_num_t gpio_num = 0; + if (adc_unit == ADC_UNIT_1) { + gpio_num = ADC_GET_IO_NUM(0, channel); + TEST_ESP_OK(rtc_gpio_init(gpio_num)); + TEST_ESP_OK(rtc_gpio_pullup_dis(gpio_num)); + TEST_ESP_OK(rtc_gpio_pulldown_dis(gpio_num)); + TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_FLOATING)); + TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_DISABLED)); + } + if (adc_unit == ADC_UNIT_2) { + gpio_num = ADC_GET_IO_NUM(1, channel); + TEST_ESP_OK(rtc_gpio_init(gpio_num)); + TEST_ESP_OK(rtc_gpio_pullup_dis(gpio_num)); + TEST_ESP_OK(rtc_gpio_pulldown_dis(gpio_num)); + TEST_ESP_OK(gpio_set_pull_mode(gpio_num, GPIO_FLOATING)); + TEST_ESP_OK(rtc_gpio_set_direction(gpio_num, RTC_GPIO_MODE_DISABLED)); + } + vTaskDelay(10 / portTICK_PERIOD_MS); +} + +/** + * @brief I2S ADC/DAC mode init. + */ +static void example_i2s_init(void) +{ + int i2s_num = EXAMPLE_I2S_NUM; + i2s_config_t i2s_config = { + .mode = I2S_MODE_MASTER | I2S_MODE_RX | I2S_MODE_ADC_BUILT_IN, + .sample_rate = EXAMPLE_I2S_SAMPLE_RATE, + .bits_per_sample = EXAMPLE_I2S_SAMPLE_BITS, + .channel_format = EXAMPLE_I2S_FORMAT, + .intr_alloc_flags = 0, + .dma_desc_num = 2, + .dma_frame_num = 1024, + .use_apll = 0, + }; + + //install and start i2s driver + TEST_ESP_OK( i2s_driver_install(i2s_num, &i2s_config, 0, NULL) ); + //init ADC pad + TEST_ESP_OK( i2s_set_adc_mode(I2S_ADC_UNIT, I2S_ADC_CHANNEL) ); +} + +static void example_i2s_deinit(void) +{ + TEST_ESP_OK( i2s_driver_uninstall(EXAMPLE_I2S_NUM) ); +} + +/** + * @brief debug buffer data + */ +static void example_disp_buf(uint8_t *buf, int length) +{ + printf("\n======"); + for (int i = 0; i < length; i += 2) { + uint16_t data = ((uint16_t)buf[i+1] << 8) | (uint16_t)buf[i]; + adc_digi_output_data_t *p = (adc_digi_output_data_t *)&data; + if ((i) % 16 == 0) printf("\n"); + printf("[%d_%d] ", p->type1.channel, p->type1.data); + } + printf("\n======\n"); +} + +static esp_err_t adc_dma_data_check(uint8_t *buf, int length, int ideal_level) +{ + for (int i = 0; i < length; i += 2) { + uint16_t data = ((uint16_t)buf[i+1] << 8) | (uint16_t)buf[i]; + adc_digi_output_data_t *p = (adc_digi_output_data_t *)&data; + if (p->type1.channel != I2S_ADC_CHANNEL) { + TEST_FAIL_MESSAGE("I2S-DMA data channel error!"); + } + if (ideal_level == 1) { // high level 3.3v + TEST_ASSERT_EQUAL( 0xFFF, p->type1.data ); + } else if (ideal_level == 0) { // low level 0v + TEST_ASSERT_LESS_THAN( 10, p->type1.data ); + } else if (ideal_level == 2) { // middle level 1.4v + TEST_ASSERT_INT_WITHIN( 128, 1586, p->type1.data ); + } else if (ideal_level == 3) { // normal level + } else { // no check + } + } + return ESP_OK; +} + +static void adc_dma_read(uint8_t *buf, int length) +{ + size_t bytes_read = 0; + int flash_wr_size = 0; + + vTaskDelay(pdTICKS_TO_MS(100)); + while (flash_wr_size < length) { + //read data from I2S bus, in this case, from ADC. + TEST_ESP_OK( i2s_read(EXAMPLE_I2S_NUM, (void *) buf + flash_wr_size, length - flash_wr_size, &bytes_read, portMAX_DELAY) ); + flash_wr_size += bytes_read; + example_disp_buf((uint8_t *) buf, 128); + } +} + +TEST_CASE("ADC_DMA_read", "[adc dma]") +{ + int i2s_read_len = EXAMPLE_I2S_READ_LEN; + char *i2s_read_buff = (char *) calloc(i2s_read_len, sizeof(char)); + + example_i2s_init(); + TEST_ESP_OK( i2s_adc_enable(EXAMPLE_I2S_NUM) ); + + adc_fake_tie_low(I2S_ADC_UNIT, I2S_ADC_CHANNEL); + adc_dma_read((uint8_t *)i2s_read_buff, i2s_read_len); + adc_dma_data_check((uint8_t *)i2s_read_buff, i2s_read_len, 0); + + adc_fake_tie_middle(I2S_ADC_UNIT, I2S_ADC_CHANNEL); + adc_dma_read((uint8_t *)i2s_read_buff, i2s_read_len); + adc_dma_data_check((uint8_t *)i2s_read_buff, i2s_read_len, 2); + + adc_fake_tie_high(I2S_ADC_UNIT, I2S_ADC_CHANNEL); + adc_dma_read((uint8_t *)i2s_read_buff, i2s_read_len); + adc_dma_data_check((uint8_t *)i2s_read_buff, i2s_read_len, 1); + + adc_io_normal(I2S_ADC_UNIT, I2S_ADC_CHANNEL); + + TEST_ESP_OK( i2s_adc_disable(EXAMPLE_I2S_NUM) ); + if (i2s_read_buff) { + free(i2s_read_buff); + i2s_read_buff = NULL; + } + + example_i2s_deinit(); +} + +#endif // CONFIG_IDF_TARGET_ESP32 diff --git a/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/main/test_i2s_dac.c b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/main/test_i2s_dac.c new file mode 100644 index 0000000000..7af9a520f0 --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/main/test_i2s_dac.c @@ -0,0 +1,160 @@ +/* + * SPDX-FileCopyrightText: 2015-2021 Espressif Systems (Shanghai) CO LTD + * + * SPDX-License-Identifier: Apache-2.0 + */ + +/* + Tests for the dac device driver on ESP32 only + Hardware connection: + - ESP32: GPIO25 <---> GPIO26 +*/ +#include "sdkconfig.h" +#if CONFIG_IDF_TARGET_ESP32 + +#include "esp_system.h" +#include "driver/adc.h" +#include "unity.h" +#include "esp_system.h" +#include "esp_event.h" +#include "esp_wifi.h" +#include "esp_log.h" +#include "nvs_flash.h" +#include "test_dac_audio_file.h" +#include "driver/i2s.h" +#include "driver/dac.h" + +/* + * DAC DMA config. + */ + +//enable record sound and save in flash +#define RECORD_IN_FLASH_EN (1) +//enable replay recorded sound in flash +#define REPLAY_FROM_FLASH_EN (1) + +//i2s number +#define EXAMPLE_I2S_NUM (0) +//i2s sample rate +#define EXAMPLE_I2S_SAMPLE_RATE (16000) +//i2s data bits +#define EXAMPLE_I2S_SAMPLE_BITS (16) +//enable display buffer for debug +#define EXAMPLE_I2S_BUF_DEBUG (0) +//I2S read buffer length +#define EXAMPLE_I2S_READ_LEN (16 * 1024) +//I2S data format +#define EXAMPLE_I2S_FORMAT (I2S_CHANNEL_FMT_RIGHT_LEFT) +//I2S channel number +#define EXAMPLE_I2S_CHANNEL_NUM ((EXAMPLE_I2S_FORMAT < I2S_CHANNEL_FMT_ONLY_RIGHT) ? (2) : (1)) + +/** + * @brief I2S ADC/DAC mode init. + */ +static void example_i2s_init(void) +{ + int i2s_num = EXAMPLE_I2S_NUM; + i2s_config_t i2s_config = { + .mode = I2S_MODE_MASTER | I2S_MODE_TX | I2S_MODE_DAC_BUILT_IN, + .sample_rate = EXAMPLE_I2S_SAMPLE_RATE, + .bits_per_sample = EXAMPLE_I2S_SAMPLE_BITS, + .channel_format = EXAMPLE_I2S_FORMAT, + .intr_alloc_flags = 0, + .dma_desc_num = 2, + .dma_frame_num = 1024, + .use_apll = 0, + }; + //install and start i2s driver + TEST_ESP_OK( i2s_driver_install(i2s_num, &i2s_config, 0, NULL) ); + //init DAC pad + TEST_ESP_OK( i2s_set_dac_mode(I2S_DAC_CHANNEL_BOTH_EN) ); +} + +static void example_i2s_deinit(void) +{ + TEST_ESP_OK( i2s_set_dac_mode(I2S_DAC_CHANNEL_DISABLE) ); + TEST_ESP_OK( i2s_driver_uninstall(EXAMPLE_I2S_NUM) ); +} + +/** + * @brief Set i2s clock for example audio file + */ +static void example_set_file_play_mode(void) +{ + TEST_ESP_OK( i2s_set_clk(EXAMPLE_I2S_NUM, 16000, EXAMPLE_I2S_SAMPLE_BITS, 1) ); +} + +/** + * @brief Scale data to 16bit/32bit for I2S DMA output. + * DAC can only output 8bit data value. + * I2S DMA will still send 16 bit or 32bit data, the highest 8bit contains DAC data. + */ +static int example_i2s_dac_data_scale(uint8_t *d_buff, uint8_t *s_buff, uint32_t len) +{ + uint32_t j = 0; +#if (EXAMPLE_I2S_SAMPLE_BITS == 16) + for (int i = 0; i < len; i++) { + d_buff[j++] = 0; + d_buff[j++] = s_buff[i]; + } + return (len * 2); +#else + for (int i = 0; i < len; i++) { + d_buff[j++] = 0; + d_buff[j++] = 0; + d_buff[j++] = 0; + d_buff[j++] = s_buff[i]; + } + return (len * 4); +#endif +} +/** + * @brief debug buffer data + */ +static void example_disp_buf(uint8_t *buf, int length) +{ + printf("======\n"); + for (int i = 0; i < length; i++) { + printf("%02x ", buf[i]); + if ((i + 1) % 8 == 0) { + printf("\n"); + } + } + printf("======\n"); +} + +/** + * @brief Reset i2s clock and mode + */ +static void example_reset_play_mode(void) +{ + TEST_ESP_OK( i2s_set_clk(EXAMPLE_I2S_NUM, EXAMPLE_I2S_SAMPLE_RATE, EXAMPLE_I2S_SAMPLE_BITS, EXAMPLE_I2S_CHANNEL_NUM) ); +} + +TEST_CASE("DAC_DMA_output", "[dac]") +{ + size_t bytes_written; + int i2s_read_len = EXAMPLE_I2S_READ_LEN; + uint8_t *i2s_write_buff = (uint8_t *) calloc(i2s_read_len, sizeof(char)); + int offset = 0; + int tot_size = sizeof(audio_table); + printf("Playing file example: \n"); + + example_i2s_init(); + example_set_file_play_mode(); + + while (offset < tot_size) { + int play_len = ((tot_size - offset) > (4 * 1024)) ? (4 * 1024) : (tot_size - offset); + int i2s_wr_len = example_i2s_dac_data_scale(i2s_write_buff, (uint8_t *)(audio_table + offset), play_len); + i2s_write(EXAMPLE_I2S_NUM, i2s_write_buff, i2s_wr_len, &bytes_written, portMAX_DELAY); + offset += play_len; + example_disp_buf((uint8_t *) i2s_write_buff, 32); + } + + example_reset_play_mode(); + free(i2s_write_buff); + + example_i2s_deinit(); +} + +#endif // CONFIG_IDF_TARGET_ESP32 diff --git a/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/pytest_legacy_i2s_adc_dac.py b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/pytest_legacy_i2s_adc_dac.py new file mode 100644 index 0000000000..f3b2df44d9 --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/pytest_legacy_i2s_adc_dac.py @@ -0,0 +1,20 @@ +# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD +# SPDX-License-Identifier: Apache-2.0 + +import pytest +from pytest_embedded import Dut + + +@pytest.mark.esp32 +@pytest.mark.generic +@pytest.mark.parametrize( + 'config', + [ + 'release', + ], + indirect=True, +) +def test_i2s_adc_dac(dut: Dut) -> None: + dut.expect_exact('Press ENTER to see the list of tests') + dut.write('*') + dut.expect_unity_test_output() diff --git a/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/sdkconfig.ci.release b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/sdkconfig.ci.release new file mode 100644 index 0000000000..2b8cfffb06 --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/sdkconfig.ci.release @@ -0,0 +1,9 @@ +CONFIG_PM_ENABLE=y +CONFIG_FREERTOS_USE_TICKLESS_IDLE=y +CONFIG_COMPILER_OPTIMIZATION_SIZE=y +CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_SIZE=y +CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT=y +CONFIG_I2S_ISR_IRAM_SAFE=y +CONFIG_COMPILER_DUMP_RTL_FILES=y +# silent the error check, as the error string are stored in rodata, causing RTL check failure +CONFIG_COMPILER_OPTIMIZATION_CHECKS_SILENT=y diff --git a/components/driver/test_apps/i2s/sdkconfig.defaults b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/sdkconfig.defaults similarity index 60% rename from components/driver/test_apps/i2s/sdkconfig.defaults rename to components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/sdkconfig.defaults index 16e72deaf9..7fb17baea9 100644 --- a/components/driver/test_apps/i2s/sdkconfig.defaults +++ b/components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac/sdkconfig.defaults @@ -1,3 +1,3 @@ CONFIG_I2S_SUPPRESS_DEPRECATE_WARN=y -CONFIG_PCNT_SUPPRESS_DEPRECATE_WARN=y +CONFIG_I2S_ENABLE_DEBUG_LOG=y CONFIG_ESP_TASK_WDT=n diff --git a/components/driver/test_apps/i2s/CMakeLists.txt b/components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/CMakeLists.txt similarity index 65% rename from components/driver/test_apps/i2s/CMakeLists.txt rename to components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/CMakeLists.txt index 3d2e9717ee..0acac81f65 100644 --- a/components/driver/test_apps/i2s/CMakeLists.txt +++ b/components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/CMakeLists.txt @@ -1,5 +1,5 @@ # This is the project CMakeLists.txt file for the test subproject -cmake_minimum_required(VERSION 3.5) +cmake_minimum_required(VERSION 3.16) include($ENV{IDF_PATH}/tools/cmake/project.cmake) -project(i2s_test) +project(i2s_legacy_test) diff --git a/components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/README.md b/components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/README.md new file mode 100644 index 0000000000..36802259d0 --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/README.md @@ -0,0 +1,2 @@ +| Supported Targets | ESP32 | ESP32-S2 | ESP32-S3 | ESP32-C3 | +| ----------------- | ----- | -------- | -------- | -------- | \ No newline at end of file diff --git a/components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/main/CMakeLists.txt b/components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/main/CMakeLists.txt new file mode 100644 index 0000000000..5a3a449155 --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/main/CMakeLists.txt @@ -0,0 +1,6 @@ +set(srcs "test_app_main.c" + "test_legacy_i2s.c") + +idf_component_register(SRCS ${srcs} + PRIV_INCLUDE_DIRS "../../" + WHOLE_ARCHIVE) diff --git a/components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/main/test_app_main.c b/components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/main/test_app_main.c new file mode 100644 index 0000000000..e2c05a7a08 --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/main/test_app_main.c @@ -0,0 +1,53 @@ +/* + * SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD + * + * SPDX-License-Identifier: Apache-2.0 + */ + +#include "unity.h" +#include "unity_test_runner.h" +#include "esp_heap_caps.h" + +// Some resources are lazy allocated in I2S driver, the threadhold is left for that case +#define TEST_MEMORY_LEAK_THRESHOLD (-400) + +static size_t before_free_8bit; +static size_t before_free_32bit; + +static void check_leak(size_t before_free, size_t after_free, const char *type) +{ + ssize_t delta = after_free - before_free; + printf("MALLOC_CAP_%s: Before %u bytes free, After %u bytes free (delta %d)\n", type, before_free, after_free, delta); + TEST_ASSERT_MESSAGE(delta >= TEST_MEMORY_LEAK_THRESHOLD, "memory leak"); +} + +void setUp(void) +{ + before_free_8bit = heap_caps_get_free_size(MALLOC_CAP_8BIT); + before_free_32bit = heap_caps_get_free_size(MALLOC_CAP_32BIT); +} + +void tearDown(void) +{ + size_t after_free_8bit = heap_caps_get_free_size(MALLOC_CAP_8BIT); + size_t after_free_32bit = heap_caps_get_free_size(MALLOC_CAP_32BIT); + check_leak(before_free_8bit, after_free_8bit, "8BIT"); + check_leak(before_free_32bit, after_free_32bit, "32BIT"); +} + +void app_main(void) +{ + // ___ ____ ____ _____ _ + // |_ _|___ \/ ___| |_ _|__ ___| |_ + // | | __) \___ \ | |/ _ \/ __| __| + // | | / __/ ___) | | | __/\__ \ |_ + // |___|_____|____/ |_|\___||___/\__| + + printf(" ___ ____ ____ _____ _ \r\n"); + printf(" |_ _|___ \\/ ___| |_ _|__ ___| |_ \r\n"); + printf(" | | __) \\___ \\ | |/ _ \\/ __| __|\r\n"); + printf(" | | / __/ ___) | | | __/\\__ \\ |_ \r\n"); + printf(" |___|_____|____/ |_|\\___||___/\\__| (legacy)\r\n"); + + unity_run_menu(); +} diff --git a/components/driver/test_apps/i2s/main/test_i2s_legacy.c b/components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/main/test_legacy_i2s.c similarity index 63% rename from components/driver/test_apps/i2s/main/test_i2s_legacy.c rename to components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/main/test_legacy_i2s.c index 03cad7ed12..a6ea825982 100644 --- a/components/driver/test_apps/i2s/main/test_i2s_legacy.c +++ b/components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/main/test_legacy_i2s.c @@ -17,70 +17,27 @@ #include "freertos/task.h" #include "freertos/queue.h" #include "driver/i2s.h" +#include "hal/i2s_hal.h" +#include "soc/i2s_periph.h" +#include "soc/soc_caps.h" #include "driver/gpio.h" #include "hal/gpio_hal.h" #include "unity.h" #include "math.h" #include "esp_rom_gpio.h" - -#define SAMPLE_RATE (36000) -#define SAMPLE_BITS (16) - -#if CONFIG_IDF_TARGET_ESP32 -#define MASTER_BCK_IO 15 -#define MASTER_WS_IO 25 -#define SLAVE_BCK_IO 19 -#define SLAVE_WS_IO 26 -#define DATA_IN_IO 21 -#define DATA_OUT_IO 22 -#define ADC1_CHANNEL_4_IO 32 -#define I2S0_DATA_OUT_IDX I2S0O_DATA_OUT23_IDX -#define I2S0_DATA_IN_IDX I2S0I_DATA_IN15_IDX -#define I2S1_DATA_OUT_IDX I2S1O_DATA_OUT23_IDX -#define I2S1_DATA_IN_IDX I2S1I_DATA_IN15_IDX -#elif CONFIG_IDF_TARGET_ESP32S2 -#define MASTER_BCK_IO 15 -#define MASTER_WS_IO 28 -#define SLAVE_BCK_IO 19 -#define SLAVE_WS_IO 26 -#define DATA_IN_IO 21 -#define DATA_OUT_IO 20 -#define I2S0_DATA_OUT_IDX I2S0O_DATA_OUT23_IDX -#define I2S0_DATA_IN_IDX I2S0I_DATA_IN15_IDX -#elif CONFIG_IDF_TARGET_ESP32C3 -// TODO: change pins -#define MASTER_BCK_IO 4 -#define MASTER_WS_IO 5 -#define SLAVE_BCK_IO 14 -#define SLAVE_WS_IO 15 -#define DATA_IN_IO 19 -#define DATA_OUT_IO 18 -#define I2S0_DATA_OUT_IDX I2SO_SD_OUT_IDX -#define I2S0_DATA_IN_IDX I2SI_SD_IN_IDX -#elif CONFIG_IDF_TARGET_ESP32S3 -#define MASTER_BCK_IO 4 -#define MASTER_WS_IO 5 -#define SLAVE_BCK_IO 14 -#define SLAVE_WS_IO 15 -#define DATA_IN_IO 19 -#define DATA_OUT_IO 18 -#define I2S0_DATA_OUT_IDX I2S0O_SD_OUT_IDX -#define I2S0_DATA_IN_IDX I2S0I_SD_IN_IDX -#define I2S1_DATA_OUT_IDX I2S1O_SD_OUT_IDX -#define I2S1_DATA_IN_IDX I2S1I_SD_IN_IDX +#if SOC_PCNT_SUPPORTED +#include "driver/pulse_cnt.h" +#include "soc/pcnt_periph.h" #endif +#include "test_inc/test_i2s.h" + #define PERCENT_DIFF 0.0001 -#define I2S_TEST_MODE_SLAVE_TO_MAXTER 0 +#define I2S_TEST_MODE_SLAVE_TO_MASTER 0 #define I2S_TEST_MODE_MASTER_TO_SLAVE 1 #define I2S_TEST_MODE_LOOPBACK 2 -// This empty function is used to force the compiler link this file -void test_app_include_i2s_legacy(void) -{ -} - // mode: 0, master rx, slave tx. mode: 1, master tx, slave rx. mode: 2, master tx rx loop-back // Since ESP32-S2 has only one I2S, only loop back test can be tested. static void i2s_test_io_config(int mode) @@ -96,33 +53,33 @@ static void i2s_test_io_config(int mode) switch (mode) { #if SOC_I2S_NUM > 1 - case I2S_TEST_MODE_SLAVE_TO_MAXTER: { - esp_rom_gpio_connect_out_signal(MASTER_BCK_IO, I2S0I_BCK_OUT_IDX, 0, 0); - esp_rom_gpio_connect_in_signal(MASTER_BCK_IO, I2S1O_BCK_IN_IDX, 0); + case I2S_TEST_MODE_SLAVE_TO_MASTER: { + esp_rom_gpio_connect_out_signal(MASTER_BCK_IO, i2s_periph_signal[0].m_rx_bck_sig, 0, 0); + esp_rom_gpio_connect_in_signal(MASTER_BCK_IO, i2s_periph_signal[1].s_tx_bck_sig, 0); - esp_rom_gpio_connect_out_signal(MASTER_WS_IO, I2S0I_WS_OUT_IDX, 0, 0); - esp_rom_gpio_connect_in_signal(MASTER_WS_IO, I2S1O_WS_IN_IDX, 0); + esp_rom_gpio_connect_out_signal(MASTER_WS_IO, i2s_periph_signal[0].m_rx_ws_sig, 0, 0); + esp_rom_gpio_connect_in_signal(MASTER_WS_IO, i2s_periph_signal[1].s_tx_ws_sig, 0); - esp_rom_gpio_connect_out_signal(DATA_OUT_IO, I2S1_DATA_OUT_IDX, 0, 0); - esp_rom_gpio_connect_in_signal(DATA_OUT_IO, I2S0_DATA_IN_IDX, 0); + esp_rom_gpio_connect_out_signal(DATA_OUT_IO, i2s_periph_signal[1].data_out_sig, 0, 0); + esp_rom_gpio_connect_in_signal(DATA_OUT_IO, i2s_periph_signal[0].data_in_sig, 0); } break; case I2S_TEST_MODE_MASTER_TO_SLAVE: { - esp_rom_gpio_connect_out_signal(MASTER_BCK_IO, I2S0O_BCK_OUT_IDX, 0, 0); - esp_rom_gpio_connect_in_signal(MASTER_BCK_IO, I2S1I_BCK_IN_IDX, 0); + esp_rom_gpio_connect_out_signal(MASTER_BCK_IO, i2s_periph_signal[0].m_tx_bck_sig, 0, 0); + esp_rom_gpio_connect_in_signal(MASTER_BCK_IO, i2s_periph_signal[1].s_rx_bck_sig, 0); - esp_rom_gpio_connect_out_signal(MASTER_WS_IO, I2S0O_WS_OUT_IDX, 0, 0); - esp_rom_gpio_connect_in_signal(MASTER_WS_IO, I2S1I_WS_IN_IDX, 0); + esp_rom_gpio_connect_out_signal(MASTER_WS_IO, i2s_periph_signal[0].m_tx_ws_sig, 0, 0); + esp_rom_gpio_connect_in_signal(MASTER_WS_IO, i2s_periph_signal[1].s_rx_ws_sig, 0); - esp_rom_gpio_connect_out_signal(DATA_OUT_IO, I2S0_DATA_OUT_IDX, 0, 0); - esp_rom_gpio_connect_in_signal(DATA_OUT_IO, I2S1_DATA_IN_IDX, 0); + esp_rom_gpio_connect_out_signal(DATA_OUT_IO, i2s_periph_signal[0].data_out_sig, 0, 0); + esp_rom_gpio_connect_in_signal(DATA_OUT_IO, i2s_periph_signal[1].data_in_sig, 0); } break; #endif case I2S_TEST_MODE_LOOPBACK: { - esp_rom_gpio_connect_out_signal(DATA_OUT_IO, I2S0_DATA_OUT_IDX, 0, 0); - esp_rom_gpio_connect_in_signal(DATA_OUT_IO, I2S0_DATA_IN_IDX, 0); + esp_rom_gpio_connect_out_signal(DATA_OUT_IO, i2s_periph_signal[0].data_out_sig, 0, 0); + esp_rom_gpio_connect_in_signal(DATA_OUT_IO, i2s_periph_signal[0].data_in_sig, 0); } break; @@ -133,13 +90,81 @@ static void i2s_test_io_config(int mode) } } +#if SOC_I2S_SUPPORTS_ADC +#define ADC1_CHANNEL_4_IO 32 +/* Only ESP32 need I2S adc/dac test */ +TEST_CASE("I2S_adc_test", "[i2s_legacy]") +{ + // init I2S ADC + i2s_config_t i2s_config = { + .mode = I2S_MODE_MASTER | I2S_MODE_RX | I2S_MODE_ADC_BUILT_IN, + .sample_rate = SAMPLE_RATE, + .bits_per_sample = SAMPLE_BITS, + .channel_format = I2S_CHANNEL_FMT_RIGHT_LEFT, + .intr_alloc_flags = 0, + .dma_desc_num = 2, + .dma_frame_num = 1024, + .use_apll = 0, + }; + // install and start I2S driver + i2s_driver_install(I2S_NUM_0, &i2s_config, 0, NULL); + // init ADC pad + i2s_set_adc_mode(ADC_UNIT_1, ADC1_CHANNEL_4); + // enable adc sampling, ADC_WIDTH_BIT_12, ADC_ATTEN_DB_11 hard-coded in adc_i2s_mode_init + i2s_adc_enable(I2S_NUM_0); + // init read buffer + uint16_t *i2sReadBuffer = (uint16_t *)calloc(1024, sizeof(uint16_t)); + size_t bytesRead; + + for (int loop = 0; loop < 10; loop++) { + for (int level = 0; level <= 1; level++) { + if (level == 0) { + gpio_set_pull_mode(ADC1_CHANNEL_4_IO, GPIO_PULLDOWN_ONLY); + } else { + gpio_set_pull_mode(ADC1_CHANNEL_4_IO, GPIO_PULLUP_ONLY); + } + vTaskDelay(pdMS_TO_TICKS(200)); + // read data from adc, will block until buffer is full + i2s_read(I2S_NUM_0, (void *)i2sReadBuffer, 1024 * sizeof(uint16_t), &bytesRead, portMAX_DELAY); + + // calc average + int64_t adcSumValue = 0; + for (size_t i = 0; i < 1024; i++) { + adcSumValue += i2sReadBuffer[i] & 0xfff; + } + int adcAvgValue = adcSumValue / 1024; + printf("adc average val: %d\n", adcAvgValue); + + if (level == 0) { + if (adcAvgValue > 100) { + i2s_adc_disable(I2S_NUM_0); + free(i2sReadBuffer); + i2s_driver_uninstall(I2S_NUM_0); + TEST_ASSERT_LESS_THAN(100, adcAvgValue); + } + } else { + if (adcAvgValue < 4000) { + i2s_adc_disable(I2S_NUM_0); + free(i2sReadBuffer); + i2s_driver_uninstall(I2S_NUM_0); + TEST_ASSERT_GREATER_THAN(4000, adcAvgValue); + } + } + } + } + + i2s_adc_disable(I2S_NUM_0); + free(i2sReadBuffer); + i2s_driver_uninstall(I2S_NUM_0); +} +#endif /** * i2s initialize test * 1. i2s_driver_install * 2. i2s_set_pin */ -TEST_CASE("I2S basic driver install, uninstall, set pin test", "[i2s_legacy]") +TEST_CASE("I2S_basic_driver_installation_uninstallation_and_settings_test", "[i2s_legacy]") { // dac, adc i2s i2s_config_t i2s_config = { @@ -177,7 +202,7 @@ TEST_CASE("I2S basic driver install, uninstall, set pin test", "[i2s_legacy]") TEST_ESP_OK(i2s_driver_uninstall(I2S_NUM_0)); //error param test - TEST_ASSERT(i2s_driver_install(I2S_NUM_MAX, &i2s_config, 0, NULL) == ESP_ERR_INVALID_ARG); + TEST_ASSERT(i2s_driver_install(SOC_I2S_NUM, &i2s_config, 0, NULL) == ESP_ERR_INVALID_ARG); TEST_ASSERT(i2s_driver_install(I2S_NUM_0, NULL, 0, NULL) == ESP_ERR_INVALID_ARG); i2s_config.dma_desc_num = 1; TEST_ASSERT(i2s_driver_install(I2S_NUM_0, &i2s_config, 0, NULL) == ESP_ERR_INVALID_ARG); @@ -186,15 +211,24 @@ TEST_CASE("I2S basic driver install, uninstall, set pin test", "[i2s_legacy]") TEST_ASSERT_EQUAL(ESP_ERR_INVALID_STATE, i2s_driver_uninstall(I2S_NUM_0)); } -TEST_CASE("I2S Loopback test(master tx and rx)", "[i2s_legacy]") +/** + * @brief Test mono and stereo mode of I2S by loopback + * @note Only rx channel distinguish left mono and right mono, tx channel does not + * @note 1. Check switch mono/stereo by 'i2s_set_clk' + * 2. Check rx right mono and left mono (requiring tx works in stereo mode) + * 3. Check tx mono (requiring rx works in stereo mode) + */ +TEST_CASE("I2S_mono_stereo_loopback_test", "[i2s_legacy]") { +#define WRITE_BUF_LEN 2000 +#define READ_BUF_LEN 4000 // master driver installed and send data i2s_config_t master_i2s_config = { .mode = I2S_MODE_MASTER | I2S_MODE_TX | I2S_MODE_RX, .sample_rate = SAMPLE_RATE, .bits_per_sample = SAMPLE_BITS, - .channel_format = I2S_CHANNEL_FMT_RIGHT_LEFT, - .communication_format = I2S_COMM_FORMAT_STAND_I2S, + .channel_format = I2S_CHANNEL_FMT_ONLY_RIGHT, + .communication_format = I2S_COMM_FORMAT_STAND_MSB, .dma_desc_num = 6, .dma_frame_num = 100, .use_apll = 0, @@ -215,51 +249,152 @@ TEST_CASE("I2S Loopback test(master tx and rx)", "[i2s_legacy]") .data_out_num = DATA_OUT_IO, .data_in_num = DATA_IN_IO }; + /* Install I2S in duplex mode */ TEST_ESP_OK(i2s_driver_install(I2S_NUM_0, &master_i2s_config, 0, NULL)); + TEST_ESP_OK(i2s_stop(I2S_NUM_0)); + /* Config TX as stereo channel directly, because legacy driver can't support config tx&rx separately */ +#if SOC_I2S_HW_VERSION_1 + i2s_ll_tx_select_slot(&I2S0, I2S_STD_SLOT_LEFT_RIGHT, true); +#else + i2s_ll_tx_select_slot(&I2S0, I2S_STD_SLOT_LEFT_RIGHT); +#endif + i2s_ll_tx_enable_mono_mode(&I2S0, false); + TEST_ESP_OK(i2s_set_pin(I2S_NUM_0, &master_pin_config)); i2s_test_io_config(I2S_TEST_MODE_LOOPBACK); - printf("\r\nheap size: %d\n", esp_get_free_heap_size()); - uint8_t *data_wr = (uint8_t *)malloc(sizeof(uint8_t) * 400); - size_t i2s_bytes_write = 0; - size_t bytes_read = 0; - int length = 0; - uint8_t *i2s_read_buff = (uint8_t *)malloc(sizeof(uint8_t) * 10000); + TEST_ESP_OK(i2s_start(I2S_NUM_0)); - for (int i = 0; i < 100; i++) { - data_wr[i] = i + 1; + uint16_t *w_buf = calloc(1, WRITE_BUF_LEN); + uint16_t *r_buf = calloc(1, READ_BUF_LEN); + size_t w_bytes = 0; + size_t r_bytes = 0; + for (int n = 0; n < WRITE_BUF_LEN / 2; n++) { + w_buf[n] = n%100; } - int flag = 0; // break loop flag - int end_position = 0; - // write data to slave - i2s_write(I2S_NUM_0, data_wr, sizeof(uint8_t) * 400, &i2s_bytes_write, 1000 / portTICK_PERIOD_MS); - while (!flag) { - if (length >= 10000 - 500) { + /* rx right mono test + * tx format: 0x00[L] 0x01[R] 0x02[L] 0x03[R] ... + * rx receive: 0x01[R] 0x03[R] ... */ + TEST_ESP_OK(i2s_write(I2S_NUM_0, w_buf, WRITE_BUF_LEN, &w_bytes, portMAX_DELAY)); + TEST_ESP_OK(i2s_read(I2S_NUM_0, r_buf, READ_BUF_LEN, &r_bytes, portMAX_DELAY)); +#if CONFIG_IDF_TARGET_ESP32 + /* The data of tx/rx channels are flipped on ESP32 */ + for (int n = 0; n < READ_BUF_LEN / 2; n += 2) { + int16_t temp = r_buf[n]; + r_buf[n] = r_buf[n+1]; + r_buf[n+1] = temp; + } +#endif + int i = 0; + for (i = 0; (i < READ_BUF_LEN / 2); i++) { + if (r_buf[i] == 1) { + printf("%d %d %d %d\n%d %d %d %d\n", + r_buf[i], r_buf[i+1], r_buf[i+2], r_buf[i+3], + r_buf[i+4], r_buf[i+5], r_buf[i+6], r_buf[i+7]); break; } - i2s_read(I2S_NUM_0, i2s_read_buff + length, sizeof(uint8_t) * 500, &bytes_read, 1000 / portMAX_DELAY); - if (bytes_read > 0) { - for (int i = length; i < length + bytes_read; i++) { - if (i2s_read_buff[i] == 100) { - flag = 1; - end_position = i; - break; - } - } + } + printf("Data start index: %d\n", i); + TEST_ASSERT(i < READ_BUF_LEN / 2 - 50); + for (int16_t j = 1; j < 100; j += 2) { + TEST_ASSERT_EQUAL_INT16(r_buf[i++], j); + } + printf("rx right mono test passed\n"); + + /* tx/rx stereo test + * tx format: 0x00[L] 0x01[R] 0x02[L] 0x03[R] ... + * rx receive: 0x00[L] 0x01[R] 0x02[L] 0x03[R] ... */ + TEST_ESP_OK(i2s_set_clk(I2S_NUM_0, SAMPLE_RATE, SAMPLE_BITS, I2S_CHANNEL_STEREO)); + TEST_ESP_OK(i2s_write(I2S_NUM_0, w_buf, WRITE_BUF_LEN, &w_bytes, portMAX_DELAY)); + TEST_ESP_OK(i2s_read(I2S_NUM_0, r_buf, READ_BUF_LEN, &r_bytes, portMAX_DELAY)); + + for (i = 0; (i < READ_BUF_LEN / 2); i++) { + if (r_buf[i] == 1) { + printf("%d %d %d %d\n%d %d %d %d\n", + r_buf[i], r_buf[i+1], r_buf[i+2], r_buf[i+3], + r_buf[i+4], r_buf[i+5], r_buf[i+6], r_buf[i+7]); + break; } - length = length + bytes_read; } - // test the read data right or not - for (int i = end_position - 99; i <= end_position; i++) { - TEST_ASSERT_EQUAL_UINT8((i - end_position + 100), *(i2s_read_buff + i)); + printf("Data start index: %d\n", i); + TEST_ASSERT(i < READ_BUF_LEN / 2 - 100); + TEST_ASSERT(i % 2); + for (int16_t j = 1; j < 100; j ++) { + TEST_ASSERT_EQUAL_INT16(r_buf[i++], j); // receive all number } - free(data_wr); - free(i2s_read_buff); - i2s_driver_uninstall(I2S_NUM_0); + printf("tx/rx stereo test passed\n"); + + /* tx mono rx right mono test + * tx format: 0x01[L] 0x01[R] 0x02[L] 0x02[R] ... + * rx receive: 0x01[R] 0x02[R] ... */ + TEST_ESP_OK(i2s_set_clk(I2S_NUM_0, SAMPLE_RATE, I2S_BITS_PER_SAMPLE_32BIT, I2S_CHANNEL_MONO)); + TEST_ESP_OK(i2s_write(I2S_NUM_0, w_buf, WRITE_BUF_LEN, &w_bytes, portMAX_DELAY)); + TEST_ESP_OK(i2s_read(I2S_NUM_0, r_buf, READ_BUF_LEN, &r_bytes, portMAX_DELAY)); + + for (i = 0; i < READ_BUF_LEN / 2; i++) { + if (r_buf[i] == 1) { + printf("%d %d %d %d\n%d %d %d %d\n", + r_buf[i], r_buf[i+1], r_buf[i+2], r_buf[i+3], + r_buf[i+4], r_buf[i+5], r_buf[i+6], r_buf[i+7]); + break; + } + } + printf("Data start index: %d\n", i); + TEST_ASSERT(i < READ_BUF_LEN / 2 - 100); + for (int16_t j = 1; j < 100; j ++) { + TEST_ASSERT_EQUAL_INT16(r_buf[i++], j); + } + printf("tx/rx mono test passed\n"); + + /* Reinstalling I2S to test rx left mono */ + TEST_ESP_OK(i2s_driver_uninstall(I2S_NUM_0)); + master_i2s_config.channel_format = I2S_CHANNEL_FMT_ONLY_LEFT; + TEST_ESP_OK(i2s_driver_install(I2S_NUM_0, &master_i2s_config, 0, NULL)); + TEST_ESP_OK(i2s_stop(I2S_NUM_0)); +#if SOC_I2S_HW_VERSION_1 + i2s_ll_tx_select_slot(&I2S0, I2S_STD_SLOT_LEFT_RIGHT, true); +#else + i2s_ll_tx_select_slot(&I2S0, I2S_STD_SLOT_LEFT_RIGHT); +#endif + i2s_ll_tx_enable_mono_mode(&I2S0, false); + + TEST_ESP_OK(i2s_start(I2S_NUM_0)); + + /* rx left mono test + * tx format: 0x00[L] 0x01[R] 0x02[L] 0x03[R] ... + * rx receive: 0x00[R] 0x02[R] ... */ + TEST_ESP_OK(i2s_write(I2S_NUM_0, w_buf, WRITE_BUF_LEN, &w_bytes, portMAX_DELAY)); + TEST_ESP_OK(i2s_read(I2S_NUM_0, r_buf, READ_BUF_LEN, &r_bytes, portMAX_DELAY)); +#if CONFIG_IDF_TARGET_ESP32 + /* The data of tx/rx channels are flipped on ESP32 */ + for (int n = 0; n < READ_BUF_LEN / 2; n += 2) { + int16_t temp = r_buf[n]; + r_buf[n] = r_buf[n+1]; + r_buf[n+1] = temp; + } +#endif + for (i = 0; (i < READ_BUF_LEN / 2); i++) { + if (r_buf[i] == 2) { + printf("%d %d %d %d\n%d %d %d %d\n", + r_buf[i], r_buf[i+1], r_buf[i+2], r_buf[i+3], + r_buf[i+4], r_buf[i+5], r_buf[i+6], r_buf[i+7]); + break; + } + } + printf("Data start index: %d\n", i); + TEST_ASSERT(i < READ_BUF_LEN / 2 - 50); + for (int16_t j = 2; j < 100; j += 2) { + TEST_ASSERT_EQUAL_INT16(r_buf[i++], j); + } + printf("rx left mono test passed\n"); + + free(w_buf); + free(r_buf); + TEST_ESP_OK(i2s_driver_uninstall(I2S_NUM_0)); } #if SOC_I2S_SUPPORTS_TDM -TEST_CASE("I2S TDM Loopback test(master tx and rx)", "[i2s_legacy]") +TEST_CASE("I2S_TDM_loopback_test_with_master_tx_and_rx", "[i2s_legacy]") { // master driver installed and send data i2s_config_t master_i2s_config = { @@ -328,7 +463,7 @@ TEST_CASE("I2S TDM Loopback test(master tx and rx)", "[i2s_legacy]") #if SOC_I2S_NUM > 1 /* ESP32S2 and ESP32C3 has only single I2S port and hence following test cases are not applicable */ -TEST_CASE("I2S write and read test(master tx and slave rx)", "[i2s_legacy]") +TEST_CASE("I2S_write_and_read_test_with_master_tx_and_slave_rx", "[i2s_legacy]") { // master driver installed and send data i2s_config_t master_i2s_config = { @@ -432,7 +567,7 @@ TEST_CASE("I2S write and read test(master tx and slave rx)", "[i2s_legacy]") i2s_driver_uninstall(I2S_NUM_1); } -TEST_CASE("I2S write and read test(master rx and slave tx)", "[i2s_legacy]") +TEST_CASE("I2S_write_and_read_test_master_rx_and_slave_tx", "[i2s_legacy]") { // master driver installed and send data i2s_config_t master_i2s_config = { @@ -463,7 +598,7 @@ TEST_CASE("I2S write and read test(master rx and slave tx)", "[i2s_legacy]") }; TEST_ESP_OK(i2s_driver_install(I2S_NUM_0, &master_i2s_config, 0, NULL)); TEST_ESP_OK(i2s_set_pin(I2S_NUM_0, &master_pin_config)); - i2s_test_io_config(I2S_TEST_MODE_SLAVE_TO_MAXTER); + i2s_test_io_config(I2S_TEST_MODE_SLAVE_TO_MASTER); printf("\r\nheap size: %d\n", esp_get_free_heap_size()); i2s_config_t slave_i2s_config = { @@ -495,7 +630,7 @@ TEST_CASE("I2S write and read test(master rx and slave tx)", "[i2s_legacy]") // slave driver installed and receive data TEST_ESP_OK(i2s_driver_install(I2S_NUM_1, &slave_i2s_config, 0, NULL)); TEST_ESP_OK(i2s_set_pin(I2S_NUM_1, &slave_pin_config)); - i2s_test_io_config(I2S_TEST_MODE_SLAVE_TO_MAXTER); + i2s_test_io_config(I2S_TEST_MODE_SLAVE_TO_MASTER); printf("\r\nheap size: %d\n", esp_get_free_heap_size()); uint8_t *data_wr = (uint8_t *)malloc(sizeof(uint8_t) * 400); @@ -538,7 +673,7 @@ TEST_CASE("I2S write and read test(master rx and slave tx)", "[i2s_legacy]") } #endif -TEST_CASE("I2S memory leaking test", "[i2s_legacy]") +TEST_CASE("I2S_memory_leaking_test", "[i2s_legacy]") { i2s_config_t master_i2s_config = { .mode = I2S_MODE_MASTER | I2S_MODE_RX, @@ -588,7 +723,7 @@ TEST_CASE("I2S memory leaking test", "[i2s_legacy]") * and the APLL clock generate for it. The TEST_CASE passes PERCENT_DIFF variation from the provided sample rate in APLL generated clock * The percentage difference calculated as (mod((obtained clock rate - desired clock rate)/(desired clock rate))) * 100. */ -TEST_CASE("I2S APLL clock variation test", "[i2s_legacy]") +TEST_CASE("I2S_APLL_clock_variation_test", "[i2s_legacy]") { i2s_pin_config_t pin_config = { .mck_io_num = -1, @@ -644,76 +779,8 @@ TEST_CASE("I2S APLL clock variation test", "[i2s_legacy]") } #endif -#if SOC_I2S_SUPPORTS_ADC -/* Only ESP32 need I2S adc/dac test */ -TEST_CASE("I2S adc test", "[i2s_legacy]") -{ - // init I2S ADC - i2s_config_t i2s_config = { - .mode = I2S_MODE_MASTER | I2S_MODE_RX | I2S_MODE_ADC_BUILT_IN, - .sample_rate = SAMPLE_RATE, - .bits_per_sample = SAMPLE_BITS, - .channel_format = I2S_CHANNEL_FMT_RIGHT_LEFT, - .intr_alloc_flags = 0, - .dma_desc_num = 2, - .dma_frame_num = 1024, - .use_apll = 0, - }; - // install and start I2S driver - i2s_driver_install(I2S_NUM_0, &i2s_config, 0, NULL); - // init ADC pad - i2s_set_adc_mode(ADC_UNIT_1, ADC1_CHANNEL_4); - // enable adc sampling, ADC_WIDTH_BIT_12, ADC_ATTEN_DB_11 hard-coded in adc_i2s_mode_init - i2s_adc_enable(I2S_NUM_0); - // init read buffer - uint16_t *i2sReadBuffer = (uint16_t *)calloc(1024, sizeof(uint16_t)); - size_t bytesRead; - - for (int loop = 0; loop < 10; loop++) { - for (int level = 0; level <= 1; level++) { - if (level == 0) { - gpio_set_pull_mode(ADC1_CHANNEL_4_IO, GPIO_PULLDOWN_ONLY); - } else { - gpio_set_pull_mode(ADC1_CHANNEL_4_IO, GPIO_PULLUP_ONLY); - } - vTaskDelay(pdMS_TO_TICKS(200)); - // read data from adc, will block until buffer is full - i2s_read(I2S_NUM_0, (void *)i2sReadBuffer, 1024 * sizeof(uint16_t), &bytesRead, portMAX_DELAY); - - // calc average - int64_t adcSumValue = 0; - for (size_t i = 0; i < 1024; i++) { - adcSumValue += i2sReadBuffer[i] & 0xfff; - } - int adcAvgValue = adcSumValue / 1024; - printf("adc average val: %d\n", adcAvgValue); - - if (level == 0) { - if (adcAvgValue > 100) { - i2s_adc_disable(I2S_NUM_0); - free(i2sReadBuffer); - i2s_driver_uninstall(I2S_NUM_0); - TEST_ASSERT_LESS_THAN(100, adcAvgValue); - } - } else { - if (adcAvgValue < 4000) { - i2s_adc_disable(I2S_NUM_0); - free(i2sReadBuffer); - i2s_driver_uninstall(I2S_NUM_0); - TEST_ASSERT_GREATER_THAN(4000, adcAvgValue); - } - } - } - } - - i2s_adc_disable(I2S_NUM_0); - free(i2sReadBuffer); - i2s_driver_uninstall(I2S_NUM_0); -} -#endif - #if SOC_I2S_SUPPORTS_DAC -TEST_CASE("I2S dac test", "[i2s_legacy]") +TEST_CASE("I2S_dac_test", "[i2s_legacy]") { // dac, adc i2s i2s_config_t i2s_config = { @@ -736,3 +803,112 @@ TEST_CASE("I2S dac test", "[i2s_legacy]") TEST_ESP_OK(i2s_driver_uninstall(I2S_NUM_0)); } #endif + +/*------------------------------ Clock Test --------------------------------*/ +#if SOC_PCNT_SUPPORTED + +#define TEST_I2S_PERIOD_MS 100 + +static void i2s_test_common_sample_rate(i2s_port_t id) +{ + /* Prepare configuration for the PCNT unit */ + pcnt_unit_handle_t pcnt_unit = NULL; + pcnt_channel_handle_t pcnt_chan = NULL; + + pcnt_unit_config_t unit_config = { + .high_limit = (int16_t)0x7fff, + .low_limit = (int16_t)0x8000, + }; + pcnt_chan_config_t chan_config = { + .edge_gpio_num = MASTER_WS_IO, + .level_gpio_num = -1, + }; + TEST_ESP_OK(pcnt_new_unit(&unit_config, &pcnt_unit)); + TEST_ESP_OK(pcnt_unit_set_glitch_filter(pcnt_unit, NULL)); + TEST_ESP_OK(pcnt_new_channel(pcnt_unit, &chan_config, &pcnt_chan)); + TEST_ESP_OK(pcnt_channel_set_edge_action(pcnt_chan, PCNT_CHANNEL_EDGE_ACTION_INCREASE, PCNT_CHANNEL_EDGE_ACTION_HOLD)); + TEST_ESP_OK(pcnt_channel_set_level_action(pcnt_chan, PCNT_CHANNEL_LEVEL_ACTION_KEEP, PCNT_CHANNEL_LEVEL_ACTION_KEEP)); + TEST_ESP_OK(pcnt_unit_enable(pcnt_unit)); + + // Reconfig GPIO signal + gpio_hal_iomux_func_sel(GPIO_PIN_MUX_REG[MASTER_WS_IO], PIN_FUNC_GPIO); + gpio_set_direction(MASTER_WS_IO, GPIO_MODE_INPUT_OUTPUT); + esp_rom_gpio_connect_out_signal(MASTER_WS_IO, i2s_periph_signal[0].m_tx_ws_sig, 0, 0); + esp_rom_gpio_connect_in_signal(MASTER_WS_IO, pcnt_periph_signals.groups[0].units[0].channels[0].pulse_sig, 0); + + // Test common sample rate + uint32_t test_freq[15] = {8000, 11025, 12000, 16000, 22050, 24000, + 32000, 44100, 48000, 64000, 88200, 96000, + 128000, 144000, 196000}; + int real_pulse = 0; + for (int i = 0; i < 15; i++) { + int expt_pulse = (int16_t)((float)test_freq[i] * (TEST_I2S_PERIOD_MS / 1000.0)); + TEST_ESP_OK(i2s_set_clk(id, test_freq[i], SAMPLE_BITS, I2S_CHANNEL_STEREO)); + vTaskDelay(1); // Waiting for hardware totally started + // pcnt will count the pulse number on WS signal in 100ms + TEST_ESP_OK(pcnt_unit_clear_count(pcnt_unit)); + TEST_ESP_OK(pcnt_unit_start(pcnt_unit)); + vTaskDelay(pdMS_TO_TICKS(TEST_I2S_PERIOD_MS)); + TEST_ESP_OK(pcnt_unit_stop(pcnt_unit)); + TEST_ESP_OK(pcnt_unit_get_count(pcnt_unit, &real_pulse)); + printf("[%d Hz] %d pulses, expected %d, err %d\n", test_freq[i], real_pulse, expt_pulse, real_pulse - expt_pulse); + // Check if the error between real pulse number and expected pulse number is within 1% + TEST_ASSERT_INT_WITHIN(expt_pulse * 0.01, expt_pulse, real_pulse); + } + TEST_ESP_OK(pcnt_del_channel(pcnt_chan)); + TEST_ESP_OK(pcnt_unit_stop(pcnt_unit)); + TEST_ESP_OK(pcnt_unit_disable(pcnt_unit)); + TEST_ESP_OK(pcnt_del_unit(pcnt_unit)); +} + +TEST_CASE("I2S clock freqency test", "[i2s_legacy]") +{ + // master driver installed and send data + i2s_config_t master_i2s_config = { + .mode = I2S_MODE_MASTER | I2S_MODE_TX, + .sample_rate = SAMPLE_RATE, + .bits_per_sample = SAMPLE_BITS, + .channel_format = I2S_CHANNEL_FMT_RIGHT_LEFT, + .communication_format = I2S_COMM_FORMAT_STAND_I2S, + .dma_desc_num = 6, + .dma_frame_num = 100, + .use_apll = 0, + .intr_alloc_flags = ESP_INTR_FLAG_LEVEL1, +#if SOC_I2S_SUPPORTS_TDM + .chan_mask = I2S_TDM_ACTIVE_CH0 | I2S_TDM_ACTIVE_CH1, + .total_chan = 2, + .left_align = false, + .big_edin = false, + .bit_order_msb = false, + .skip_msk = false +#endif + }; + i2s_pin_config_t master_pin_config = { + .mck_io_num = -1, + .bck_io_num = MASTER_BCK_IO, + .ws_io_num = MASTER_WS_IO, + .data_out_num = DATA_OUT_IO, + .data_in_num = -1 + }; + /* Non-APLL test */ + TEST_ESP_OK(i2s_driver_install(I2S_NUM_0, &master_i2s_config, 0, NULL)); + TEST_ESP_OK(i2s_set_pin(I2S_NUM_0, &master_pin_config)); + + i2s_test_common_sample_rate(I2S_NUM_0); + + TEST_ESP_OK(i2s_driver_uninstall(I2S_NUM_0)); + + /* APLL test */ +#if SOC_I2S_SUPPORTS_APLL + master_i2s_config.use_apll = true; + master_i2s_config.mclk_multiple = I2S_MCLK_MULTIPLE_256; + + TEST_ESP_OK(i2s_driver_install(I2S_NUM_0, &master_i2s_config, 0, NULL)); + TEST_ESP_OK(i2s_set_pin(I2S_NUM_0, &master_pin_config)); + + i2s_test_common_sample_rate(I2S_NUM_0); + TEST_ESP_OK(i2s_driver_uninstall(I2S_NUM_0)); +#endif +} + +#endif // SOC_PCNT_SUPPORTED diff --git a/components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/pytest_legacy_i2s.py b/components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/pytest_legacy_i2s.py new file mode 100644 index 0000000000..e3777b1045 --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/pytest_legacy_i2s.py @@ -0,0 +1,23 @@ +# SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD +# SPDX-License-Identifier: Apache-2.0 + +import pytest +from pytest_embedded import Dut + + +@pytest.mark.esp32 +@pytest.mark.esp32s2 +@pytest.mark.esp32c3 +@pytest.mark.esp32s3 +@pytest.mark.generic +@pytest.mark.parametrize( + 'config', + [ + 'release', + ], + indirect=True, +) +def test_legacy_i2s(dut: Dut) -> None: + dut.expect_exact('Press ENTER to see the list of tests') + dut.write('*') + dut.expect_unity_test_output() diff --git a/components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/sdkconfig.ci.release b/components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/sdkconfig.ci.release new file mode 100644 index 0000000000..74be71a29b --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/sdkconfig.ci.release @@ -0,0 +1,6 @@ +CONFIG_PM_ENABLE=y +CONFIG_FREERTOS_USE_TICKLESS_IDLE=y +CONFIG_COMPILER_OPTIMIZATION_SIZE=y +CONFIG_BOOTLOADER_COMPILER_OPTIMIZATION_SIZE=y +CONFIG_COMPILER_OPTIMIZATION_ASSERTIONS_SILENT=y +CONFIG_I2S_ISR_IRAM_SAFE=y diff --git a/components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/sdkconfig.defaults b/components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/sdkconfig.defaults new file mode 100644 index 0000000000..7fb17baea9 --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/legacy_i2s_driver/sdkconfig.defaults @@ -0,0 +1,3 @@ +CONFIG_I2S_SUPPRESS_DEPRECATE_WARN=y +CONFIG_I2S_ENABLE_DEBUG_LOG=y +CONFIG_ESP_TASK_WDT=n diff --git a/components/driver/test_apps/i2s_test_apps/test_inc/test_i2s.h b/components/driver/test_apps/i2s_test_apps/test_inc/test_i2s.h new file mode 100644 index 0000000000..90d7ea7060 --- /dev/null +++ b/components/driver/test_apps/i2s_test_apps/test_inc/test_i2s.h @@ -0,0 +1,51 @@ +/* + * SPDX-FileCopyrightText: 2022 Espressif Systems (Shanghai) CO LTD + * + * SPDX-License-Identifier: Apache-2.0 + */ +#include "sdkconfig.h" + +#ifdef __cplusplus +extern "C" { +#endif + +#define SAMPLE_RATE (48000) +#define SAMPLE_BITS (16) + +#if CONFIG_IDF_TARGET_ESP32 +#define MASTER_MCK_IO 0 +#define MASTER_BCK_IO 4 +#define MASTER_WS_IO 5 +#define SLAVE_BCK_IO 21 +#define SLAVE_WS_IO 22 +#define DATA_IN_IO 19 +#define DATA_OUT_IO 18 +#elif CONFIG_IDF_TARGET_ESP32S2 +#define MASTER_MCK_IO 0 +#define MASTER_BCK_IO 4 +#define MASTER_WS_IO 5 +#define SLAVE_BCK_IO 14 +#define SLAVE_WS_IO 15 +#define DATA_IN_IO 19 +#define DATA_OUT_IO 18 +#elif CONFIG_IDF_TARGET_ESP32C3 +#define MASTER_MCK_IO 0 +#define MASTER_BCK_IO 4 +#define MASTER_WS_IO 5 +#define SLAVE_BCK_IO 14 +#define SLAVE_WS_IO 15 +#define DATA_IN_IO 19 +#define DATA_OUT_IO 18 +#elif CONFIG_IDF_TARGET_ESP32S3 +#define MASTER_MCK_IO 0 +#define MASTER_BCK_IO 4 +#define MASTER_WS_IO 5 +#define SLAVE_BCK_IO 14 +#define SLAVE_WS_IO 15 +#define DATA_IN_IO 19 +#define DATA_OUT_IO 18 +#endif + +#ifdef __cplusplus +} +#endif diff --git a/components/esp_lcd/src/esp_lcd_panel_io_i2s.c b/components/esp_lcd/src/esp_lcd_panel_io_i2s.c index dc50ad840e..9cdd282b97 100644 --- a/components/esp_lcd/src/esp_lcd_panel_io_i2s.c +++ b/components/esp_lcd/src/esp_lcd_panel_io_i2s.c @@ -152,7 +152,7 @@ esp_err_t esp_lcd_new_i80_bus(const esp_lcd_i80_bus_config_t *bus_config, esp_lc // LCD mode can't work with other modes at the same time, we need to register the driver object to the I2S platform int bus_id = -1; for (int i = 0; i < SOC_LCD_I80_BUSES; i++) { - if (i2s_platform_acquire_occupation(0, "esp_lcd_panel_io_i2s") == ESP_OK) { + if (i2s_platform_acquire_occupation(i, "esp_lcd_panel_io_i2s") == ESP_OK) { bus_id = i; break; } @@ -185,7 +185,7 @@ esp_err_t esp_lcd_new_i80_bus(const esp_lcd_i80_bus_config_t *bus_config, esp_lc i2s_ll_tx_bypass_pcm(bus->hal.dev, true); i2s_ll_tx_set_slave_mod(bus->hal.dev, false); i2s_ll_tx_set_bits_mod(bus->hal.dev, bus_config->bus_width); - i2s_ll_tx_select_slot(bus->hal.dev, I2S_STD_SLOT_ONLY_LEFT); // mono + i2s_ll_tx_select_slot(bus->hal.dev, I2S_STD_SLOT_ONLY_LEFT, false); // mono bus->bus_width = bus_config->bus_width; i2s_ll_tx_enable_right_first(bus->hal.dev, true); #if SOC_I2S_SUPPORTS_DMA_EQUAL @@ -593,7 +593,7 @@ static esp_err_t i2s_lcd_select_periph_clock(esp_lcd_i80_bus_handle_t bus, lcd_c switch (src) { case LCD_CLK_SRC_PLL160M: bus->resolution_hz = 160000000 / LCD_PERIPH_CLOCK_PRE_SCALE; - i2s_ll_tx_clk_set_src(bus->hal.dev, I2S_CLK_PLL_160M); + i2s_ll_tx_clk_set_src(bus->hal.dev, I2S_CLK_SRC_PLL_160M); #if CONFIG_PM_ENABLE ret = esp_pm_lock_create(ESP_PM_APB_FREQ_MAX, 0, "i2s_controller_lcd", &bus->pm_lock); ESP_RETURN_ON_ERROR(ret, TAG, "create ESP_PM_APB_FREQ_MAX lock failed"); diff --git a/components/esp_lcd/test_apps/i80_lcd/main/test_i80_lcd_panel.c b/components/esp_lcd/test_apps/i80_lcd/main/test_i80_lcd_panel.c index 8ab5618f63..b06da4e986 100644 --- a/components/esp_lcd/test_apps/i80_lcd/main/test_i80_lcd_panel.c +++ b/components/esp_lcd/test_apps/i80_lcd/main/test_i80_lcd_panel.c @@ -1,7 +1,7 @@ /* - * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD + * SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD * - * SPDX-License-Identifier: Apache-2.0 + * SPDX-License-Identifier: CC0-1.0 */ #include @@ -453,35 +453,3 @@ TEST_CASE("lcd_panel_with_i80_interface_(st7789, 8bits)", "[lcd]") free(img); #undef TEST_IMG_SIZE } - -#if SOC_I2S_LCD_I80_VARIANT -#include "driver/i2s_std.h" - -TEST_CASE("i80 and i2s driver coexistance", "[lcd][i2s]") -{ - esp_lcd_i80_bus_handle_t i80_bus = NULL; - esp_lcd_i80_bus_config_t bus_config = { - .dc_gpio_num = TEST_LCD_DC_GPIO, - .wr_gpio_num = TEST_LCD_PCLK_GPIO, - .data_gpio_nums = { - TEST_LCD_DATA0_GPIO, - TEST_LCD_DATA1_GPIO, - TEST_LCD_DATA2_GPIO, - TEST_LCD_DATA3_GPIO, - TEST_LCD_DATA4_GPIO, - TEST_LCD_DATA5_GPIO, - TEST_LCD_DATA6_GPIO, - TEST_LCD_DATA7_GPIO, - }, - .bus_width = 8, - .max_transfer_bytes = 20, - }; - TEST_ESP_OK(esp_lcd_new_i80_bus(&bus_config, &i80_bus)); - - i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER); - i2s_chan_handle_t tx_handle; - // I2S driver won't be installed as the same I2S port has been used by LCD - TEST_ASSERT_EQUAL(ESP_ERR_NOT_FOUND, i2s_new_channel(&chan_cfg, &tx_handle, NULL)); - TEST_ESP_OK(esp_lcd_del_i80_bus(i80_bus)); -} -#endif // SOC_I2S_LCD_I80_VARIANT diff --git a/components/hal/adc_hal.c b/components/hal/adc_hal.c index 4e7fc20610..89d02f0a6d 100644 --- a/components/hal/adc_hal.c +++ b/components/hal/adc_hal.c @@ -189,7 +189,7 @@ static void adc_hal_digi_sample_freq_config(adc_hal_dma_ctx_t *hal, uint32_t fre adc_ll_digi_controller_clk_div(ADC_LL_CLKM_DIV_NUM_DEFAULT, ADC_LL_CLKM_DIV_B_DEFAULT, ADC_LL_CLKM_DIV_A_DEFAULT); adc_ll_digi_clk_sel(0); //use APB #else - i2s_ll_rx_clk_set_src(hal->dev, I2S_CLK_PLL_160M); /*!< Clock from PLL_D2_CLK(160M)*/ + i2s_ll_rx_clk_set_src(hal->dev, I2S_CLK_SRC_DEFAULT); /*!< Clock from PLL_D2_CLK(160M)*/ uint32_t bck = I2S_BASE_CLK / (ADC_LL_CLKM_DIV_NUM_DEFAULT + ADC_LL_CLKM_DIV_B_DEFAULT / ADC_LL_CLKM_DIV_A_DEFAULT) / 2 / freq; i2s_ll_set_raw_mclk_div(hal->dev, ADC_LL_CLKM_DIV_NUM_DEFAULT, ADC_LL_CLKM_DIV_A_DEFAULT, ADC_LL_CLKM_DIV_B_DEFAULT); i2s_ll_rx_set_bck_div_num(hal->dev, bck); diff --git a/components/hal/esp32/include/hal/gpio_ll.h b/components/hal/esp32/include/hal/gpio_ll.h index 8e5237ae85..361100c685 100644 --- a/components/hal/esp32/include/hal/gpio_ll.h +++ b/components/hal/esp32/include/hal/gpio_ll.h @@ -570,6 +570,16 @@ static inline __attribute__((always_inline)) void gpio_ll_iomux_func_sel(uint32_ PIN_FUNC_SELECT(pin_name, func); } +/** + * @brief Control the pin in the IOMUX + * + * @param val Control value + */ +static inline __attribute__((always_inline)) void gpio_ll_iomux_pin_ctrl(uint32_t val) +{ + WRITE_PERI_REG(PIN_CTRL, val); +} + /** * @brief Set peripheral output to an GPIO pad through the IOMUX. * diff --git a/components/hal/esp32/include/hal/i2s_ll.h b/components/hal/esp32/include/hal/i2s_ll.h index f8f4aa197c..5a1603eac2 100644 --- a/components/hal/esp32/include/hal/i2s_ll.h +++ b/components/hal/esp32/include/hal/i2s_ll.h @@ -42,6 +42,9 @@ extern "C" { #define I2S_LL_EVENT_TX_DSCR_ERR BIT(14) #define I2S_INTR_MAX (UINT32_MAX) +#define I2S_LL_TX_EVENT_MASK I2S_LL_EVENT_TX_EOF +#define I2S_LL_RX_EVENT_MASK I2S_LL_EVENT_RX_EOF + /* I2S clock configuration structure */ typedef struct { uint16_t mclk_div; // I2S module clock divider, Fmclk = Fsclk /(mclk_div+b/a) @@ -203,6 +206,8 @@ static inline void i2s_ll_tx_reset(i2s_dev_t *hw) { hw->conf.tx_reset = 1; hw->conf.tx_reset = 0; + hw->lc_conf.out_rst = 1; + hw->lc_conf.out_rst = 0; } /** @@ -214,6 +219,8 @@ static inline void i2s_ll_rx_reset(i2s_dev_t *hw) { hw->conf.rx_reset = 1; hw->conf.rx_reset = 0; + hw->lc_conf.in_rst = 1; + hw->lc_conf.in_rst = 0; } /** @@ -248,7 +255,7 @@ static inline void i2s_ll_tx_clk_set_src(i2s_dev_t *hw, i2s_clock_src_t src) { //0: disable APLL clock, I2S module will using PLL_D2_CLK(160M) as source clock //1: Enable APLL clock, I2S module will using APLL as source clock - hw->clkm_conf.clka_en = (src == I2S_CLK_APLL) ? 1 : 0; + hw->clkm_conf.clka_en = (src == I2S_CLK_SRC_APLL) ? 1 : 0; } /** @@ -261,7 +268,7 @@ static inline void i2s_ll_rx_clk_set_src(i2s_dev_t *hw, i2s_clock_src_t src) { //0: disable APLL clock, I2S module will using PLL_D2_CLK(160M) as source clock //1: Enable APLL clock, I2S module will using APLL as source clock - hw->clkm_conf.clka_en = (src == I2S_CLK_APLL) ? 1 : 0; + hw->clkm_conf.clka_en = (src == I2S_CLK_SRC_APLL) ? 1 : 0; } /** @@ -444,6 +451,14 @@ static inline uint32_t i2s_ll_get_intr_status(i2s_dev_t *hw) return hw->int_st.val; } +/** + * @brief Get channel interrupt status register address + */ +static inline volatile void *i2s_ll_get_interrupt_status_reg(i2s_dev_t *hw) +{ + return (volatile void *)(&hw->int_st); +} + /** * @brief Clear I2S interrupt status * @@ -734,17 +749,18 @@ static inline void i2s_ll_rx_enable_msb_shift(i2s_dev_t *hw, bool msb_shift_enab * @brief Set I2S tx chan mode * * @param hw Peripheral I2S hardware instance address. - * @param slot_sel select slot to send data + * @param slot_mask select slot to send data + * @param is_msb_right the slot sequence is affected by msb_right according to TRM */ -static inline void i2s_ll_tx_select_slot(i2s_dev_t *hw, i2s_std_slot_sel_t slot_sel) +static inline void i2s_ll_tx_select_slot(i2s_dev_t *hw, i2s_std_slot_mask_t slot_mask, bool is_msb_right) { - switch (slot_sel) + switch (slot_mask) { - case I2S_STD_SLOT_ONLY_LEFT: - hw->conf_chan.tx_chan_mod = 1; - break; case I2S_STD_SLOT_ONLY_RIGHT: - hw->conf_chan.tx_chan_mod = 2; + hw->conf_chan.tx_chan_mod = is_msb_right ? 1 : 2; + break; + case I2S_STD_SLOT_ONLY_LEFT: + hw->conf_chan.tx_chan_mod = is_msb_right ? 2 : 1; break; case I2S_STD_SLOT_LEFT_RIGHT: hw->conf_chan.tx_chan_mod = 0; @@ -758,17 +774,18 @@ static inline void i2s_ll_tx_select_slot(i2s_dev_t *hw, i2s_std_slot_sel_t slot_ * @brief Set I2S rx chan mode * * @param hw Peripheral I2S hardware instance address. - * @param slot_sel select slot to receive data + * @param slot_mask select slot to receive data + * @param is_msb_right the slot sequence is affected by msb_right according to TRM */ -static inline void i2s_ll_rx_select_slot(i2s_dev_t *hw, i2s_std_slot_sel_t slot_sel) +static inline void i2s_ll_rx_select_slot(i2s_dev_t *hw, i2s_std_slot_mask_t slot_mask, bool is_msb_right) { - switch (slot_sel) + switch (slot_mask) { - case I2S_STD_SLOT_ONLY_LEFT: - hw->conf_chan.rx_chan_mod = 1; - break; case I2S_STD_SLOT_ONLY_RIGHT: - hw->conf_chan.rx_chan_mod = 2; + hw->conf_chan.rx_chan_mod = is_msb_right ? 1 : 2; + break; + case I2S_STD_SLOT_ONLY_LEFT: + hw->conf_chan.rx_chan_mod = is_msb_right ? 2 : 1; break; case I2S_STD_SLOT_LEFT_RIGHT: hw->conf_chan.rx_chan_mod = 0; @@ -788,7 +805,6 @@ static inline void i2s_ll_tx_enable_mono_mode(i2s_dev_t *hw, bool mono_ena) { int data_bit = hw->sample_rate_conf.tx_bits_mod; hw->fifo_conf.tx_fifo_mod = data_bit <= I2S_DATA_BIT_WIDTH_16BIT ? mono_ena : 2 + mono_ena; - hw->conf_chan.tx_chan_mod = mono_ena; } /** @@ -801,7 +817,6 @@ static inline void i2s_ll_rx_enable_mono_mode(i2s_dev_t *hw, bool mono_ena) { int data_bit = hw->sample_rate_conf.rx_bits_mod; hw->fifo_conf.rx_fifo_mod = data_bit <= I2S_DATA_BIT_WIDTH_16BIT ? mono_ena : 2 + mono_ena; - hw->conf_chan.rx_chan_mod = mono_ena; } /** diff --git a/components/hal/esp32c3/include/hal/i2s_ll.h b/components/hal/esp32c3/include/hal/i2s_ll.h index 72083a93e6..db8321746c 100644 --- a/components/hal/esp32c3/include/hal/i2s_ll.h +++ b/components/hal/esp32c3/include/hal/i2s_ll.h @@ -17,7 +17,7 @@ #include "soc/i2s_periph.h" #include "soc/i2s_struct.h" #include "hal/i2s_types.h" -#include "hal/i2s_types_priv.h" + #ifdef __cplusplus extern "C" { @@ -200,7 +200,7 @@ static inline void i2s_ll_tx_clk_set_src(i2s_dev_t *hw, i2s_clock_src_t src) * @brief Set RX source clock * * @param hw Peripheral I2S hardware instance address. - * @param src I2S source clock, ESP32-C3 only support `I2S_CLK_PLL_160M` + * @param src I2S source clock, ESP32-C3 only support `I2S_CLK_SRC_PLL_160M` */ static inline void i2s_ll_rx_clk_set_src(i2s_dev_t *hw, i2s_clock_src_t src) { @@ -555,21 +555,21 @@ static inline void i2s_ll_rx_set_active_chan_mask(i2s_dev_t *hw, uint32_t chan_m * @brief Set I2S tx chan mode * * @param hw Peripheral I2S hardware instance address. - * @param slot_sel select slot to send data + * @param slot_mask select slot to send data */ -static inline void i2s_ll_tx_select_slot(i2s_dev_t *hw, i2s_std_slot_sel_t slot_sel) +static inline void i2s_ll_tx_select_slot(i2s_dev_t *hw, i2s_std_slot_mask_t slot_mask) { /* In mono mode, there only should be one slot enabled, another inactive slot will transmit same data as enabled slot * Otherwise always enable the first two slots */ hw->tx_tdm_ctrl.tx_tdm_tot_chan_num = 1; // tx_tdm_tot_chan_num = 2 slots - 1 = 1 hw->tx_tdm_ctrl.val &= ~I2S_LL_TDM_CH_MASK; - switch (slot_sel) + switch (slot_mask) { case I2S_STD_SLOT_ONLY_LEFT: - hw->tx_tdm_ctrl.val |= 0x02; + hw->tx_tdm_ctrl.val |= 0x01; break; case I2S_STD_SLOT_ONLY_RIGHT: - hw->tx_tdm_ctrl.val |= 0x01; + hw->tx_tdm_ctrl.val |= 0x02; break; case I2S_STD_SLOT_LEFT_RIGHT: hw->tx_tdm_ctrl.val |= 0x03; @@ -583,21 +583,21 @@ static inline void i2s_ll_tx_select_slot(i2s_dev_t *hw, i2s_std_slot_sel_t slot_ * @brief Set I2S rx chan mode * * @param hw Peripheral I2S hardware instance address. - * @param slot_sel select slot to receive data + * @param slot_mask select slot to receive data */ -static inline void i2s_ll_rx_select_slot(i2s_dev_t *hw, i2s_std_slot_sel_t slot_sel) +static inline void i2s_ll_rx_select_slot(i2s_dev_t *hw, i2s_std_slot_mask_t slot_mask) { /* In mono mode, there only should be one slot enabled, another inactive slot will transmit same data as enabled slot * Otherwise always enable the first two slots */ hw->rx_tdm_ctrl.rx_tdm_tot_chan_num = 1; // rx_tdm_tot_chan_num = 2 slots - 1 = 1 hw->rx_tdm_ctrl.val &= ~I2S_LL_TDM_CH_MASK; - switch (slot_sel) + switch (slot_mask) { case I2S_STD_SLOT_ONLY_LEFT: - hw->rx_tdm_ctrl.val |= 0x02; + hw->rx_tdm_ctrl.val |= 0x01; break; case I2S_STD_SLOT_ONLY_RIGHT: - hw->rx_tdm_ctrl.val |= 0x01; + hw->rx_tdm_ctrl.val |= 0x02; break; case I2S_STD_SLOT_LEFT_RIGHT: hw->rx_tdm_ctrl.val |= 0x03; diff --git a/components/hal/esp32h2/include/hal/i2s_ll.h b/components/hal/esp32h2/include/hal/i2s_ll.h index d1e6b62a6f..d87c2b8f73 100644 --- a/components/hal/esp32h2/include/hal/i2s_ll.h +++ b/components/hal/esp32h2/include/hal/i2s_ll.h @@ -18,7 +18,7 @@ #include "soc/i2s_periph.h" #include "soc/i2s_struct.h" #include "hal/i2s_types.h" -#include "hal/i2s_types_priv.h" + #ifdef __cplusplus extern "C" { @@ -28,7 +28,8 @@ extern "C" { #define I2S_LL_TDM_CH_MASK (0xffff) #define I2S_LL_PDM_BCK_FACTOR (64) -#define I2S_LL_BASE_CLK (2*APB_CLK_FREQ) +// [clk_tree] TODO: replace the following switch table by clk_tree API +#define I2S_LL_BASE_CLK (96*1000000) #define I2S_LL_MCLK_DIVIDER_BIT_WIDTH (9) #define I2S_LL_MCLK_DIVIDER_MAX ((1 << I2S_LL_MCLK_DIVIDER_BIT_WIDTH) - 1) @@ -201,7 +202,7 @@ static inline void i2s_ll_tx_clk_set_src(i2s_dev_t *hw, i2s_clock_src_t src) * @brief Set RX source clock * * @param hw Peripheral I2S hardware instance address. - * @param src I2S source clock, ESP32-H2 only support `I2S_CLK_PLL_160M` + * @param src I2S source clock, ESP32-H2 only support `I2S_CLK_SRC_PLL_96M` for now */ static inline void i2s_ll_rx_clk_set_src(i2s_dev_t *hw, i2s_clock_src_t src) { @@ -556,21 +557,21 @@ static inline void i2s_ll_rx_set_active_chan_mask(i2s_dev_t *hw, uint32_t chan_m * @brief Set I2S tx chan mode * * @param hw Peripheral I2S hardware instance address. - * @param slot_sel select slot to send data + * @param slot_mask select slot to send data */ -static inline void i2s_ll_tx_select_slot(i2s_dev_t *hw, i2s_std_slot_sel_t slot_sel) +static inline void i2s_ll_tx_select_slot(i2s_dev_t *hw, i2s_std_slot_mask_t slot_mask) { /* In mono mode, there only should be one slot enabled, another inactive slot will transmit same data as enabled slot * Otherwise always enable the first two slots */ hw->tx_tdm_ctrl.tx_tdm_tot_chan_num = 1; // tx_tdm_tot_chan_num = 2 slots - 1 = 1 hw->tx_tdm_ctrl.val &= ~I2S_LL_TDM_CH_MASK; - switch (slot_sel) + switch (slot_mask) { case I2S_STD_SLOT_ONLY_LEFT: - hw->tx_tdm_ctrl.val |= 0x02; + hw->tx_tdm_ctrl.val |= 0x01; break; case I2S_STD_SLOT_ONLY_RIGHT: - hw->tx_tdm_ctrl.val |= 0x01; + hw->tx_tdm_ctrl.val |= 0x02; break; case I2S_STD_SLOT_LEFT_RIGHT: hw->tx_tdm_ctrl.val |= 0x03; @@ -584,21 +585,21 @@ static inline void i2s_ll_tx_select_slot(i2s_dev_t *hw, i2s_std_slot_sel_t slot_ * @brief Set I2S rx chan mode * * @param hw Peripheral I2S hardware instance address. - * @param slot_sel select slot to receive data + * @param slot_mask select slot to receive data */ -static inline void i2s_ll_rx_select_slot(i2s_dev_t *hw, i2s_std_slot_sel_t slot_sel) +static inline void i2s_ll_rx_select_slot(i2s_dev_t *hw, i2s_std_slot_mask_t slot_mask) { /* In mono mode, there only should be one slot enabled, another inactive slot will transmit same data as enabled slot * Otherwise always enable the first two slots */ hw->rx_tdm_ctrl.rx_tdm_tot_chan_num = 1; // rx_tdm_tot_chan_num = 2 slots - 1 = 1 hw->rx_tdm_ctrl.val &= ~I2S_LL_TDM_CH_MASK; - switch (slot_sel) + switch (slot_mask) { case I2S_STD_SLOT_ONLY_LEFT: - hw->rx_tdm_ctrl.val |= 0x02; + hw->rx_tdm_ctrl.val |= 0x01; break; case I2S_STD_SLOT_ONLY_RIGHT: - hw->rx_tdm_ctrl.val |= 0x01; + hw->rx_tdm_ctrl.val |= 0x02; break; case I2S_STD_SLOT_LEFT_RIGHT: hw->rx_tdm_ctrl.val |= 0x03; diff --git a/components/hal/esp32s2/include/hal/i2s_ll.h b/components/hal/esp32s2/include/hal/i2s_ll.h index f1162ec41e..1263517c15 100644 --- a/components/hal/esp32s2/include/hal/i2s_ll.h +++ b/components/hal/esp32s2/include/hal/i2s_ll.h @@ -19,7 +19,7 @@ #include "soc/i2s_periph.h" #include "soc/i2s_struct.h" #include "hal/i2s_types.h" -#include "hal/i2s_types_priv.h" + #ifdef __cplusplus extern "C" { @@ -41,6 +41,9 @@ extern "C" { #define I2S_LL_EVENT_TX_DSCR_ERR BIT(14) #define I2S_INTR_MAX (UINT32_MAX) +#define I2S_LL_TX_EVENT_MASK I2S_LL_EVENT_TX_EOF +#define I2S_LL_RX_EVENT_MASK I2S_LL_EVENT_RX_EOF + /* I2S clock configuration structure */ typedef struct { uint16_t mclk_div; // I2S module clock divider, Fmclk = Fsclk /(mclk_div+b/a) @@ -247,7 +250,7 @@ static inline void i2s_ll_rx_reset_fifo(i2s_dev_t *hw) */ static inline void i2s_ll_tx_clk_set_src(i2s_dev_t *hw, i2s_clock_src_t src) { - hw->clkm_conf.clk_sel = (src == I2S_CLK_APLL) ? 1 : 2; + hw->clkm_conf.clk_sel = (src == I2S_CLK_SRC_APLL) ? 1 : 2; } /** @@ -258,7 +261,7 @@ static inline void i2s_ll_tx_clk_set_src(i2s_dev_t *hw, i2s_clock_src_t src) */ static inline void i2s_ll_rx_clk_set_src(i2s_dev_t *hw, i2s_clock_src_t src) { - hw->clkm_conf.clk_sel = (src == I2S_CLK_APLL) ? 1 : 2; + hw->clkm_conf.clk_sel = (src == I2S_CLK_SRC_APLL) ? 1 : 2; } /** @@ -441,6 +444,14 @@ static inline uint32_t i2s_ll_get_intr_status(i2s_dev_t *hw) return hw->int_st.val; } +/** + * @brief Get DMA interrupt status register address + */ +static inline volatile void *i2s_ll_get_interrupt_status_reg(i2s_dev_t *hw) +{ + return (volatile void *)(&hw->int_st); +} + /** * @brief Clear I2S interrupt status * @@ -829,17 +840,17 @@ static inline void i2s_ll_rx_enable_msb_shift(i2s_dev_t *hw, bool msb_shift_enab * @brief Set I2S tx chan mode * * @param hw Peripheral I2S hardware instance address. - * @param slot_sel select slot to send data + * @param slot_mask select slot to send data */ -static inline void i2s_ll_tx_select_slot(i2s_dev_t *hw, i2s_std_slot_sel_t slot_sel) +static inline void i2s_ll_tx_select_slot(i2s_dev_t *hw, i2s_std_slot_mask_t slot_mask, bool is_msb_right) { - switch (slot_sel) + switch (slot_mask) { - case I2S_STD_SLOT_ONLY_LEFT: - hw->conf_chan.tx_chan_mod = 1; - break; case I2S_STD_SLOT_ONLY_RIGHT: - hw->conf_chan.tx_chan_mod = 2; + hw->conf_chan.tx_chan_mod = is_msb_right ? 1 : 2; + break; + case I2S_STD_SLOT_ONLY_LEFT: + hw->conf_chan.tx_chan_mod = is_msb_right ? 2 : 1; break; case I2S_STD_SLOT_LEFT_RIGHT: hw->conf_chan.tx_chan_mod = 0; @@ -853,17 +864,17 @@ static inline void i2s_ll_tx_select_slot(i2s_dev_t *hw, i2s_std_slot_sel_t slot_ * @brief Set I2S rx chan mode * * @param hw Peripheral I2S hardware instance address. - * @param slot_sel select slot to receive data + * @param slot_mask select slot to receive data */ -static inline void i2s_ll_rx_select_slot(i2s_dev_t *hw, i2s_std_slot_sel_t slot_sel) +static inline void i2s_ll_rx_select_slot(i2s_dev_t *hw, i2s_std_slot_mask_t slot_mask, bool is_msb_right) { - switch (slot_sel) + switch (slot_mask) { - case I2S_STD_SLOT_ONLY_LEFT: - hw->conf_chan.rx_chan_mod = 1; - break; case I2S_STD_SLOT_ONLY_RIGHT: - hw->conf_chan.rx_chan_mod = 2; + hw->conf_chan.rx_chan_mod = is_msb_right ? 1 : 2; + break; + case I2S_STD_SLOT_ONLY_LEFT: + hw->conf_chan.rx_chan_mod = is_msb_right ? 2 : 1; break; case I2S_STD_SLOT_LEFT_RIGHT: hw->conf_chan.rx_chan_mod = 0; @@ -906,7 +917,6 @@ static inline void i2s_ll_tx_enable_mono_mode(i2s_dev_t *hw, bool mono_ena) int data_bit = hw->sample_rate_conf.tx_bits_mod; hw->fifo_conf.tx_fifo_mod = data_bit <= I2S_DATA_BIT_WIDTH_16BIT ? mono_ena : 2 + mono_ena; hw->conf.tx_dma_equal = mono_ena; - hw->conf_chan.tx_chan_mod = mono_ena; } /** @@ -920,7 +930,6 @@ static inline void i2s_ll_rx_enable_mono_mode(i2s_dev_t *hw, bool mono_ena) int data_bit = hw->sample_rate_conf.rx_bits_mod; hw->fifo_conf.rx_fifo_mod = data_bit <= I2S_DATA_BIT_WIDTH_16BIT ? mono_ena : 2 + mono_ena; hw->conf.rx_dma_equal = mono_ena; - hw->conf_chan.rx_chan_mod = mono_ena; } /** diff --git a/components/hal/esp32s3/include/hal/i2s_ll.h b/components/hal/esp32s3/include/hal/i2s_ll.h index 133b1952cc..e5ebe9eaa8 100644 --- a/components/hal/esp32s3/include/hal/i2s_ll.h +++ b/components/hal/esp32s3/include/hal/i2s_ll.h @@ -17,7 +17,7 @@ #include "soc/i2s_periph.h" #include "soc/i2s_struct.h" #include "hal/i2s_types.h" -#include "hal/i2s_types_priv.h" + #ifdef __cplusplus extern "C" { @@ -190,7 +190,7 @@ static inline void i2s_ll_rx_reset_fifo(i2s_dev_t *hw) * @brief Set TX source clock * * @param hw Peripheral I2S hardware instance address. - * @param src I2S source clock, ESP32-S3 only support `I2S_CLK_PLL_160M` + * @param src I2S source clock, ESP32-S3 only support `I2S_CLK_SRC_PLL_160M` * TX and RX share the same clock setting */ static inline void i2s_ll_tx_clk_set_src(i2s_dev_t *hw, i2s_clock_src_t src) @@ -202,7 +202,7 @@ static inline void i2s_ll_tx_clk_set_src(i2s_dev_t *hw, i2s_clock_src_t src) * @brief Set RX source clock * * @param hw Peripheral I2S hardware instance address. - * @param src I2S source clock, ESP32-S3 only support `I2S_CLK_PLL_160M` + * @param src I2S source clock, ESP32-S3 only support `I2S_CLK_SRC_PLL_160M` * TX and RX share the same clock setting */ static inline void i2s_ll_rx_clk_set_src(i2s_dev_t *hw, i2s_clock_src_t src) @@ -558,21 +558,21 @@ static inline void i2s_ll_rx_set_active_chan_mask(i2s_dev_t *hw, uint32_t chan_m * @brief Set I2S tx chan mode * * @param hw Peripheral I2S hardware instance address. - * @param slot_sel select slot to send data + * @param slot_mask select slot to send data */ -static inline void i2s_ll_tx_select_slot(i2s_dev_t *hw, i2s_std_slot_sel_t slot_sel) +static inline void i2s_ll_tx_select_slot(i2s_dev_t *hw, i2s_std_slot_mask_t slot_mask) { /* In mono mode, there only should be one slot enabled, another inactive slot will transmit same data as enabled slot * Otherwise always enable the first two slots */ hw->tx_tdm_ctrl.tx_tdm_tot_chan_num = 1; // tx_tdm_tot_chan_num = 2 slots - 1 = 1 hw->tx_tdm_ctrl.val &= ~I2S_LL_TDM_CH_MASK; - switch (slot_sel) + switch (slot_mask) { case I2S_STD_SLOT_ONLY_LEFT: - hw->tx_tdm_ctrl.val |= 0x02; + hw->tx_tdm_ctrl.val |= 0x01; break; case I2S_STD_SLOT_ONLY_RIGHT: - hw->tx_tdm_ctrl.val |= 0x01; + hw->tx_tdm_ctrl.val |= 0x02; break; case I2S_STD_SLOT_LEFT_RIGHT: hw->tx_tdm_ctrl.val |= 0x03; @@ -586,21 +586,21 @@ static inline void i2s_ll_tx_select_slot(i2s_dev_t *hw, i2s_std_slot_sel_t slot_ * @brief Set I2S rx chan mode * * @param hw Peripheral I2S hardware instance address. - * @param slot_sel select slot to receive data + * @param slot_mask select slot to receive data */ -static inline void i2s_ll_rx_select_slot(i2s_dev_t *hw, i2s_std_slot_sel_t slot_sel) +static inline void i2s_ll_rx_select_slot(i2s_dev_t *hw, i2s_std_slot_mask_t slot_mask) { /* In mono mode, there only should be one slot enabled, another inactive slot will transmit same data as enabled slot * Otherwise always enable the first two slots */ hw->rx_tdm_ctrl.rx_tdm_tot_chan_num = 1; // rx_tdm_tot_chan_num = 2 slots - 1 = 1 hw->rx_tdm_ctrl.val &= ~I2S_LL_TDM_CH_MASK; - switch (slot_sel) + switch (slot_mask) { case I2S_STD_SLOT_ONLY_LEFT: - hw->rx_tdm_ctrl.val |= 0x02; + hw->rx_tdm_ctrl.val |= 0x01; break; case I2S_STD_SLOT_ONLY_RIGHT: - hw->rx_tdm_ctrl.val |= 0x01; + hw->rx_tdm_ctrl.val |= 0x02; break; case I2S_STD_SLOT_LEFT_RIGHT: hw->rx_tdm_ctrl.val |= 0x03; diff --git a/components/hal/i2s_hal.c b/components/hal/i2s_hal.c index 8db8e27fc6..6cadd8f591 100644 --- a/components/hal/i2s_hal.c +++ b/components/hal/i2s_hal.c @@ -20,7 +20,8 @@ static const float cut_off_coef[21][3] = { {104, 2, 4}, {92, 4, 4}, {91.5, 2, 7}, {81, 4, 5}, {77.2, 3, 7}, {69, 5, 5}, {63, 4, 7}, {58, 5, 6}, {49, 5, 7}, - {46, 6, 6}, {35.5, 6, 7}, {23.3, 7, 7}}; + {46, 6, 6}, {35.5, 6, 7}, {23.3, 7, 7} +}; #endif void i2s_hal_init(i2s_hal_context_t *hal, int port_id) @@ -65,11 +66,14 @@ void i2s_hal_std_set_tx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_ha i2s_ll_tx_enable_msb_shift(hal->dev, slot_cfg->std.bit_shift); i2s_ll_tx_set_ws_width(hal->dev, slot_cfg->std.ws_width); #if SOC_I2S_HW_VERSION_1 + i2s_ll_tx_select_slot(hal->dev, slot_cfg->std.slot_mask, slot_cfg->std.msb_right); + // According to the test, the behavior of tx_msb_right is opposite with TRM, TRM is wrong? i2s_ll_tx_enable_msb_right(hal->dev, slot_cfg->std.msb_right); i2s_ll_tx_enable_right_first(hal->dev, slot_cfg->std.ws_pol); /* Should always enable fifo */ i2s_ll_tx_force_enable_fifo_mod(hal->dev, true); #elif SOC_I2S_HW_VERSION_2 + i2s_ll_tx_select_slot(hal->dev, slot_cfg->std.slot_mask); i2s_ll_tx_set_half_sample_bit(hal->dev, slot_bit_width); i2s_ll_tx_set_ws_idle_pol(hal->dev, slot_cfg->std.ws_pol); i2s_ll_tx_set_bit_order(hal->dev, slot_cfg->std.bit_order_lsb); @@ -88,13 +92,14 @@ void i2s_hal_std_set_rx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_ha i2s_ll_rx_enable_mono_mode(hal->dev, slot_cfg->slot_mode == I2S_SLOT_MODE_MONO); i2s_ll_rx_enable_msb_shift(hal->dev, slot_cfg->std.bit_shift); i2s_ll_rx_set_ws_width(hal->dev, slot_cfg->std.ws_width); - i2s_ll_rx_select_slot(hal->dev, slot_cfg->std.slot_sel); #if SOC_I2S_HW_VERSION_1 + i2s_ll_rx_select_slot(hal->dev, slot_cfg->std.slot_mask, slot_cfg->std.msb_right); i2s_ll_rx_enable_msb_right(hal->dev, slot_cfg->std.msb_right); i2s_ll_rx_enable_right_first(hal->dev, slot_cfg->std.ws_pol); /* Should always enable fifo */ i2s_ll_rx_force_enable_fifo_mod(hal->dev, true); #elif SOC_I2S_HW_VERSION_2 + i2s_ll_rx_select_slot(hal->dev, slot_cfg->std.slot_mask); i2s_ll_rx_set_half_sample_bit(hal->dev, slot_bit_width); i2s_ll_rx_set_ws_idle_pol(hal->dev, slot_cfg->std.ws_pol); i2s_ll_rx_set_bit_order(hal->dev, slot_cfg->std.bit_order_lsb); diff --git a/components/hal/include/hal/i2s_hal.h b/components/hal/include/hal/i2s_hal.h index 650e5d4c26..71e5827fc7 100644 --- a/components/hal/include/hal/i2s_hal.h +++ b/components/hal/include/hal/i2s_hal.h @@ -34,21 +34,23 @@ typedef struct { union { /* STD configurations */ struct { + i2s_std_slot_mask_t slot_mask; /*!< Select the left, right or both slot */ uint32_t ws_width; /*!< WS signal width (i.e. the number of bclk ticks that ws signal is high) */ bool ws_pol; /*!< WS signal polarity, set true to enable high lever first */ bool bit_shift; /*!< Set to enbale bit shift in Philip mode */ - #if SOC_I2S_HW_VERSION_1 // For esp32/esp32-s2 +#if SOC_I2S_HW_VERSION_1 // For esp32/esp32-s2 bool msb_right; /*!< Set to place right channel data at the MSB in the FIFO */ - #else +#else bool left_align; /*!< Set to enable left alignment */ bool big_endian; /*!< Set to enable big endian */ bool bit_order_lsb; /*!< Set to enable lsb first */ - #endif - } std; +#endif + } std; /*!< Specific configurations for standard mode */ - #if SOC_I2S_SUPPORTS_TDM +#if SOC_I2S_SUPPORTS_TDM /* TDM configurations */ struct { + i2s_tdm_slot_mask_t slot_mask; /*!< Slot mask. Activating slots by setting 1 to corresponding bits. When the activated slots is not consecutive, those data in unactivated slots will be ignored */ uint32_t ws_width; /*!< WS signal width ((i.e. the number of bclk ticks that ws signal is high)) */ bool ws_pol; /*!< WS signal polarity, set true to enable high lever first */ bool bit_shift; /*!< Set true to enable bit shift in Philip mode */ @@ -58,12 +60,11 @@ typedef struct { bool bit_order_lsb; /*!< Set true to enable lsb first */ bool skip_mask; /*!< Set true to enable skip mask. If it is enabled, only the data of the enabled channels will be sent, otherwise all data stored in DMA TX buffer will be sent */ - i2s_tdm_slot_mask_t slot_mask; /*!< Slot mask. Activating slots by setting 1 to corresponding bits. When the activated slots is not consecutive, those data in unactivated slots will be ignored */ uint32_t total_slot; /*!< I2S total number of slots. If it is smaller than the biggest activated channel number, it will be set to this number automatically. */ - } tdm; - #endif + } tdm; /*!< Specific configurations for TDM mode */ +#endif - #if SOC_I2S_SUPPORTS_PDM_TX +#if SOC_I2S_SUPPORTS_PDM_TX /* PDM TX configurations */ struct { uint32_t sd_prescale; /*!< Sigma-delta filter prescale */ @@ -71,15 +72,15 @@ typedef struct { i2s_pdm_sig_scale_t hp_scale; /*!< High pass filter scaling value */ i2s_pdm_sig_scale_t lp_scale; /*!< Low pass filter scaling value */ i2s_pdm_sig_scale_t sinc_scale; /*!< Sinc filter scaling value */ - #if SOC_I2S_HW_VERSION_2 +#if SOC_I2S_HW_VERSION_2 bool sd_en; /*!< Sigma-delta filter enable */ bool hp_en; /*!< High pass filter enable */ float hp_cut_off_freq_hz; /*!< High pass filter cut-off frequency, range 23.3Hz ~ 185Hz, see cut-off frequency sheet above */ uint32_t sd_dither; /*!< Sigma-delta filter dither */ uint32_t sd_dither2; /*!< Sigma-delta filter dither2 */ - #endif // SOC_I2S_HW_VERSION_2 - } pdm_tx; - #endif +#endif // SOC_I2S_HW_VERSION_2 + } pdm_tx; /*!< Specific configurations for PDM TX mode */ +#endif }; } i2s_hal_slot_config_t; @@ -106,7 +107,7 @@ typedef struct { * @brief Init I2S hal context * * @param hal Context of the HAL layer - * @param port_id The I2S port number, the max port number is (I2S_NUM_MAX -1) + * @param port_id The I2S port number, the max port number is (SOC_I2S_NUM -1) */ void i2s_hal_init(i2s_hal_context_t *hal, int port_id); @@ -139,7 +140,7 @@ void i2s_hal_set_rx_clock(i2s_hal_context_t *hal, const i2s_hal_clock_info_t *cl * @param is_slave If is slave role * @param slot_config General slot configuration pointer, but will specified to i2s standard mode */ -void i2s_hal_std_set_tx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_hal_slot_config_t *slot_config); +void i2s_hal_std_set_tx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_hal_slot_config_t *slot_cfg); /** * @brief Set rx slot to standard mode @@ -148,7 +149,7 @@ void i2s_hal_std_set_tx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_ha * @param is_slave If is slave role * @param slot_config General slot configuration pointer, but will specified to i2s standard mode */ -void i2s_hal_std_set_rx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_hal_slot_config_t *slot_config); +void i2s_hal_std_set_rx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_hal_slot_config_t *slot_cfg); /** * @brief Enable tx channel as standard mode @@ -177,7 +178,7 @@ void i2s_hal_std_enable_rx_channel(i2s_hal_context_t *hal); * @param is_slave If is slave role * @param slot_config General slot configuration pointer, but will specified to i2s pdm tx mode */ -void i2s_hal_pdm_set_tx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_hal_slot_config_t *slot_config); +void i2s_hal_pdm_set_tx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_hal_slot_config_t *slot_cfg); /** * @brief Enable tx channel as pdm mode @@ -195,7 +196,7 @@ void i2s_hal_pdm_enable_tx_channel(i2s_hal_context_t *hal); * @param is_slave If is slave role * @param slot_config General slot configuration pointer, but will specified to i2s pdm rx mode */ -void i2s_hal_pdm_set_rx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_hal_slot_config_t *slot_config); +void i2s_hal_pdm_set_rx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_hal_slot_config_t *slot_cfg); /** * @brief Enable rx channel as pdm mode @@ -217,7 +218,7 @@ void i2s_hal_pdm_enable_rx_channel(i2s_hal_context_t *hal); * @param is_slave If is slave role * @param slot_config General slot configuration pointer, but will specified to i2s tdm mode */ -void i2s_hal_tdm_set_tx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_hal_slot_config_t *slot_config); +void i2s_hal_tdm_set_tx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_hal_slot_config_t *slot_cfg); /** * @brief Set rx slot to tdm mode @@ -226,7 +227,7 @@ void i2s_hal_tdm_set_tx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_ha * @param is_slave If is slave role * @param slot_config General slot configuration pointer, but will specified to i2s tdm mode */ -void i2s_hal_tdm_set_rx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_hal_slot_config_t *slot_config); +void i2s_hal_tdm_set_rx_slot(i2s_hal_context_t *hal, bool is_slave, const i2s_hal_slot_config_t *slot_cfg); /** * @brief Enable tx channel as tdm mode diff --git a/components/hal/include/hal/i2s_types.h b/components/hal/include/hal/i2s_types.h index 3d370511f3..272ae826ec 100644 --- a/components/hal/include/hal/i2s_types.h +++ b/components/hal/include/hal/i2s_types.h @@ -12,37 +12,12 @@ #include #include "esp_bit_defs.h" #include "soc/soc_caps.h" +#include "soc/clk_tree_defs.h" #ifdef __cplusplus extern "C" { #endif -/** - * @brief I2S controller port number, the max port number is (I2S_NUM_MAX -1). - */ -typedef enum { - I2S_NUM_0 = 0, /*!< I2S controller port 0 */ -#if SOC_I2S_NUM > 1 - I2S_NUM_1 = 1, /*!< I2S controller port 1 */ -#endif - I2S_NUM_MAX, /*!< I2S controller port max */ - I2S_NUM_AUTO, /*!< Select whichever port is available */ -} i2s_port_t; - -/** - * @brief I2S controller communication mode - */ -typedef enum { - I2S_COMM_MODE_STD, /*!< I2S controller using standard communication mode, support philip/MSB/PCM format */ -#if SOC_I2S_SUPPORTS_PDM - I2S_COMM_MODE_PDM, /*!< I2S controller using PDM communication mode, support PDM output or input */ -#endif -#if SOC_I2S_SUPPORTS_TDM - I2S_COMM_MODE_TDM, /*!< I2S controller using TDM communication mode, support up to 16 slots per frame */ -#endif - I2S_COMM_MODE_NONE, /*!< Unspecific I2S controller mode */ -} i2s_comm_mode_t; - /** * @brief I2S channel slot mode */ @@ -51,15 +26,6 @@ typedef enum { I2S_SLOT_MODE_STEREO = 2, /*!< I2S channel slot format stereo, transmit different data in different slots for tx mode, receive the data in all slots for rx mode. */ } i2s_slot_mode_t; -/** - * @brief I2S slot select in standard mode - */ -typedef enum { - I2S_STD_SLOT_ONLY_LEFT = 0x01, /*!< I2S only transmits or receives left slot */ - I2S_STD_SLOT_ONLY_RIGHT = 0x02, /*!< I2S only transmits or receives right slot */ - I2S_STD_SLOT_LEFT_RIGHT = 0x03, /*!< I2S only transmits or receives both left and right slot */ -} i2s_std_slot_sel_t; - /** * @brief I2S channel direction */ @@ -98,33 +64,7 @@ typedef enum { I2S_SLOT_BIT_WIDTH_32BIT = (32), /*!< I2S channel slot bit-width: 32 */ } i2s_slot_bit_width_t; -/** - * @brief The multiple of mclk to sample rate - */ -typedef enum { - I2S_MCLK_MULTIPLE_128 = 128, /*!< mclk = sample_rate * 128 */ - I2S_MCLK_MULTIPLE_256 = 256, /*!< mclk = sample_rate * 256 */ - I2S_MCLK_MULTIPLE_384 = 384, /*!< mclk = sample_rate * 384 */ -} i2s_mclk_multiple_t; - -typedef enum { - I2S_CLK_PLL_160M = 0, /*!< I2S controller clock source PLL_D2_CLK(160M)*/ -#if SOC_I2S_SUPPORTS_APLL - I2S_CLK_APLL, /*!< I2S controller clock source APLL*/ -#endif -} i2s_clock_src_t; - -/** - * @brief I2S event queue types - */ -typedef enum { - I2S_EVENT_DMA_ERROR, - I2S_EVENT_TX_DONE, /*!< I2S DMA finish sent 1 buffer*/ - I2S_EVENT_RX_DONE, /*!< I2S DMA finish received 1 buffer*/ - I2S_EVENT_TX_Q_OVF, /*!< I2S DMA sent queue overflow*/ - I2S_EVENT_RX_Q_OVF, /*!< I2S DMA receive queue overflow*/ - I2S_EVENT_MAX, /*!< I2S event max index*/ -} i2s_event_type_t; +typedef soc_periph_i2s_clk_src_t i2s_clock_src_t; /*!< I2S clock source */ #if SOC_I2S_SUPPORTS_PCM /** @@ -163,10 +103,19 @@ typedef enum { } i2s_pdm_sig_scale_t; #endif // SOC_I2S_SUPPORTS_PDM_TX +/** + * @brief I2S slot select in standard mode + */ +typedef enum { + I2S_STD_SLOT_ONLY_LEFT = BIT(0), /*!< I2S only transmits or receives left slot */ + I2S_STD_SLOT_ONLY_RIGHT = BIT(1), /*!< I2S only transmits or receives right slot */ + I2S_STD_SLOT_LEFT_RIGHT = BIT(0) | BIT(1), /*!< I2S transmits or receives both left and right slot */ +} i2s_std_slot_mask_t; + #if SOC_I2S_SUPPORTS_TDM /** * @brief tdm slot number - * @note There are 16 slots in TDM mode. + * @note Multiple slots in TDM mode. * For TX module, only the active slot send the audio data, the inactive slot send a constant or will be skipped if 'skip_msk' is set. * For RX module, only receive the audio data in active slots, the data in inactive slots will be ignored. * the bit map of active slot can not exceed (0x1<B left", + "B<->C right", + "D<->E left", + "E<->F right", + "F<->G left", + "G<->H right", + "I<->J left slot & right slot", + "A-I", + "B-L", + "C-M", + "D-O", + "E-P", + "F-J", + "G-R", + "H-S" + ] +} diff --git a/docs/_static/diagrams/i2s/pdm.png b/docs/_static/diagrams/i2s/pdm.png deleted file mode 100644 index 0228d1838f..0000000000 Binary files a/docs/_static/diagrams/i2s/pdm.png and /dev/null differ diff --git a/docs/_static/diagrams/i2s/std_msb.json b/docs/_static/diagrams/i2s/std_msb.json new file mode 100644 index 0000000000..35352067d6 --- /dev/null +++ b/docs/_static/diagrams/i2s/std_msb.json @@ -0,0 +1,52 @@ +{ + "head": { + "text": "Standard MSB Timing Diagram" + }, + "signal": [ + { + "node": "..C.....D", + "phase": 0.65 + }, + { + "node": "..A...B", + "phase": 0.65 + }, + { + "name": "BCLK", + "wave": "p..pd.pd.pd.pd" + }, + { + "name": "WS", + "wave": "xx0.d0.d1.u1u10", + "node": ".H.....I......J", + "phase": 0.65 + }, + { + "name": "DIN / DOUT", + "wave": "xx2x|2x|2x|2x|2", + "data": [ + "MSB", + "LSB", + "MSB", + "LSB", + "MSB" + ], + "node": "......K", + "phase": 0.65 + }, + { + "node": "..E.....F.....G", + "phase": 0.65 + } + ], + "edge": [ + "C<->D slot_bit_width", + "A<->B data_bit_width", + "E<->F Left Slot", + "F<->G Right Slot", + "E-C", + "K-B", + "F-D", + "J-G" + ] +} diff --git a/docs/_static/diagrams/i2s/std_msb.png b/docs/_static/diagrams/i2s/std_msb.png deleted file mode 100644 index d77faab377..0000000000 Binary files a/docs/_static/diagrams/i2s/std_msb.png and /dev/null differ diff --git a/docs/_static/diagrams/i2s/std_pcm.json b/docs/_static/diagrams/i2s/std_pcm.json new file mode 100644 index 0000000000..92aa7fcc16 --- /dev/null +++ b/docs/_static/diagrams/i2s/std_pcm.json @@ -0,0 +1,54 @@ +{ + "head": { + "text": "Standard PCM Timing Diagram" + }, + "signal": [ + { + "node": "...C.....D", + "phase": 0.65 + }, + { + "node": "...A...B", + "phase": 0.65 + }, + { + "name": "BCLK", + "wave": "p..dp.dp.dp.dp." + }, + { + "name": "WS", + "wave": "x10d0.d10d0.d10", + "node": "..P", + "phase": 0.65 + }, + { + "name": "DIN / DOUT", + "wave": "xx.2x|2x|2x|2x|2", + "data": [ + "MSB", + "LSB", + "MSB", + "LSB", + "MSB" + ], + "node": ".......K.......L", + "phase": 0.65 + }, + { + "node": "..ME.....F.....G", + "phase": 0.65 + } + ], + "edge": [ + "C<->D slot_bit_width", + "A<->B data_bit_width", + "M<->E bit shift", + "E<->F Left Slot", + "F<->G Right Slot", + "P-M", + "E-C", + "K-B", + "F-D", + "G-L" + ] +} diff --git a/docs/_static/diagrams/i2s/std_pcm.png b/docs/_static/diagrams/i2s/std_pcm.png deleted file mode 100644 index 31e8b523d6..0000000000 Binary files a/docs/_static/diagrams/i2s/std_pcm.png and /dev/null differ diff --git a/docs/_static/diagrams/i2s/std_philip.json b/docs/_static/diagrams/i2s/std_philip.json new file mode 100644 index 0000000000..0125341069 --- /dev/null +++ b/docs/_static/diagrams/i2s/std_philip.json @@ -0,0 +1,54 @@ +{ + "head": { + "text": "Standard Philip Timing Diagram" + }, + "signal": [ + { + "node": "...C.....D", + "phase": 0.65 + }, + { + "node": "...A...B", + "phase": 0.65 + }, + { + "name": "BCLK", + "wave": "p..dp.dp.dp.dp." + }, + { + "name": "WS", + "wave": "xx0.d0.d1.u1u10.", + "node": "..P", + "phase": 0.65 + }, + { + "name": "DIN / DOUT", + "wave": "xx.2x|2x|2x|2x|2", + "data": [ + "MSB", + "LSB", + "MSB", + "LSB", + "MSB" + ], + "node": ".......K.......L", + "phase": 0.65 + }, + { + "node": "..ME.....F.....G", + "phase": 0.65 + } + ], + "edge": [ + "C<->D slot_bit_width", + "A<->B data_bit_width", + "M<->E bit shift", + "E<->F Left Slot", + "F<->G Right Slot", + "P-M", + "E-C", + "K-B", + "F-D", + "L-G" + ] +} diff --git a/docs/_static/diagrams/i2s/std_philip.png b/docs/_static/diagrams/i2s/std_philip.png deleted file mode 100644 index 7b3fca2620..0000000000 Binary files a/docs/_static/diagrams/i2s/std_philip.png and /dev/null differ diff --git a/docs/_static/diagrams/i2s/tdm_msb.json b/docs/_static/diagrams/i2s/tdm_msb.json new file mode 100644 index 0000000000..93ffc2e301 --- /dev/null +++ b/docs/_static/diagrams/i2s/tdm_msb.json @@ -0,0 +1,60 @@ +{ + "head": { + "text": "TDM MSB Timing Diagram" + }, + "signal": [ + { + "node": ".E.........F.........G", + "phase": -0.35 + }, + { + "name": "BCLK", + "wave": "p..d.p.d.pd.pd.p.d.pd.p" + }, + { + "name": "WS", + "wave": "x0dd0.dd0dd1uu1.uu1uu0", + "node": ".H...................R", + "phase": -0.35 + }, + { + "name": "DIN / DOUT", + "wave": "x2x|22x|2x|2x|22x|2x|2", + "data": [ + "MSB", + "LSB", + "MSB", + "LSB", + "MSB", + "LSB", + "MSB", + "LSB", + "MSB" + ], + "node": ".H...K...I.M...N...P.Q", + "phase": -0.35 + }, + { + "node": ".A...B...C.D...J...L.S", + "phase": -0.35 + } + ], + "edge": [ + "E<->F Left Slots", + "F<->G Right Slots", + "A<->B Slot 1", + "B<->C Slot 2", + "C<->D ...", + "D<->J Slot n", + "J<->L Slot n+1", + "L<->S ...", + "A-E", + "K-B", + "C-I", + "D-F", + "J-N", + "L-P", + "Q-G", + "S-R" + ] +} diff --git a/docs/_static/diagrams/i2s/tdm_msb.png b/docs/_static/diagrams/i2s/tdm_msb.png deleted file mode 100644 index dfc30cb77d..0000000000 Binary files a/docs/_static/diagrams/i2s/tdm_msb.png and /dev/null differ diff --git a/docs/_static/diagrams/i2s/tdm_pcm_long.json b/docs/_static/diagrams/i2s/tdm_pcm_long.json new file mode 100644 index 0000000000..fbd3b51e71 --- /dev/null +++ b/docs/_static/diagrams/i2s/tdm_pcm_long.json @@ -0,0 +1,57 @@ +{ + "head": { + "text": "TDM PCM (long) Timing Diagram" + }, + "signal": [ + { + "node": ".T...L", + "phase": -0.35 + }, + { + "node": ".UE.........G", + "phase": -0.35 + }, + { + "name": "BCLK", + "wave": "p..d.p.d.pd.pd" + }, + { + "name": "WS", + "wave": "01u.10d...01u.", + "node": ".NH", + "phase": -0.35 + }, + { + "name": "DIN / DOUT", + "wave": "xx2x|2x|2x|22x", + "data": [ + "MSB", + "LSB", + "MSB", + "LSB", + "MSB" + ], + "node": "..H..FK.I...M", + "phase": -0.35 + }, + { + "node": "..A...B.C...D...J", + "phase": -0.35 + } + ], + "edge": [ + "T<->L one slot pulse", + "U<->E bit shift", + "E<->G Frame", + "A<->B Slot 1", + "B<->C ...", + "C<->D Slot n", + "T-N", + "A-E", + "K-B", + "C-I", + "D-M", + "D-G", + "L-F" + ] +} diff --git a/docs/_static/diagrams/i2s/tdm_pcm_long.png b/docs/_static/diagrams/i2s/tdm_pcm_long.png deleted file mode 100644 index 3e2416f3d8..0000000000 Binary files a/docs/_static/diagrams/i2s/tdm_pcm_long.png and /dev/null differ diff --git a/docs/_static/diagrams/i2s/tdm_pcm_short.json b/docs/_static/diagrams/i2s/tdm_pcm_short.json new file mode 100644 index 0000000000..fdd804f1d3 --- /dev/null +++ b/docs/_static/diagrams/i2s/tdm_pcm_short.json @@ -0,0 +1,52 @@ +{ + "head": { + "text": "TDM PCM (short) Timing Diagram" + }, + "signal": [ + { + "node": ".TE.........G", + "phase": -0.35 + }, + { + "name": "BCLK", + "wave": "p..d.p.d.pd.pd" + }, + { + "name": "WS", + "wave": "010d......010d", + "node": ".NH", + "phase": -0.35 + }, + { + "name": "DIN / DOUT", + "wave": "xx2x|2x|2x|22x", + "data": [ + "MSB", + "LSB", + "MSB", + "LSB", + "MSB" + ], + "node": "..H..FK.I...M", + "phase": -0.35 + }, + { + "node": ".UA...B.C...D...J", + "phase": -0.35 + } + ], + "edge": [ + "T<->E pulse", + "E<->G Frame", + "U<->A bit shift", + "A<->B Slot 1", + "B<->C ...", + "C<->D Slot n", + "T-U", + "A-E", + "K-B", + "C-I", + "D-M", + "D-G" + ] +} diff --git a/docs/_static/diagrams/i2s/tdm_pcm_short.png b/docs/_static/diagrams/i2s/tdm_pcm_short.png deleted file mode 100644 index c1c46ff4a6..0000000000 Binary files a/docs/_static/diagrams/i2s/tdm_pcm_short.png and /dev/null differ diff --git a/docs/_static/diagrams/i2s/tdm_philip.json b/docs/_static/diagrams/i2s/tdm_philip.json new file mode 100644 index 0000000000..9df9cd0e18 --- /dev/null +++ b/docs/_static/diagrams/i2s/tdm_philip.json @@ -0,0 +1,62 @@ +{ + "head": { + "text": "TDM Philip Timing Diagram" + }, + "signal": [ + { + "node": "..E.........F.........G", + "phase": -0.35 + }, + { + "name": "BCLK", + "wave": "p..d.p.d.pd.pd.p.d.pd.p" + }, + { + "name": "WS", + "wave": "x0dd0.dd0dd1uu1.uu1uu0.", + "node": ".TH...................R", + "phase": -0.35 + }, + { + "name": "DIN / DOUT", + "wave": "xx2x|22x|2x|2x|22x|2x|2", + "data": [ + "MSB", + "LSB", + "MSB", + "LSB", + "MSB", + "LSB", + "MSB", + "LSB", + "MSB" + ], + "node": "..H...K...I.M...N...P.Q", + "phase": -0.35 + }, + { + "node": ".UA...B...C.D...J...L.S", + "phase": -0.35 + } + ], + "edge": [ + "E<->F Left Slots", + "F<->G Right Slots", + "U<->A bit shift", + "A<->B Slot 1", + "B<->C Slot 2", + "C<->D ...", + "D<->J Slot n", + "J<->L Slot n+1", + "L<->S ...", + "A-E", + "K-B", + "C-I", + "D-F", + "J-N", + "L-P", + "Q-G", + "S-R", + "T-U" + ] +} diff --git a/docs/_static/diagrams/i2s/tdm_philip.png b/docs/_static/diagrams/i2s/tdm_philip.png deleted file mode 100644 index 4556703f7f..0000000000 Binary files a/docs/_static/diagrams/i2s/tdm_philip.png and /dev/null differ diff --git a/docs/doxygen/Doxyfile b/docs/doxygen/Doxyfile index 34b7ba0609..e781826428 100644 --- a/docs/doxygen/Doxyfile +++ b/docs/doxygen/Doxyfile @@ -67,7 +67,6 @@ INPUT = \ $(PROJECT_PATH)/components/driver/include/driver/gpio.h \ $(PROJECT_PATH)/components/driver/include/driver/gptimer.h \ $(PROJECT_PATH)/components/driver/include/driver/i2c.h \ - $(PROJECT_PATH)/components/driver/include/driver/i2s.h \ $(PROJECT_PATH)/components/driver/include/driver/ledc.h \ $(PROJECT_PATH)/components/driver/include/driver/rtc_io.h \ $(PROJECT_PATH)/components/driver/include/driver/sdio_slave.h \ @@ -156,14 +155,8 @@ INPUT = \ $(PROJECT_PATH)/components/hal/include/hal/esp_flash_err.h \ $(PROJECT_PATH)/components/hal/include/hal/gpio_types.h \ $(PROJECT_PATH)/components/hal/include/hal/i2c_types.h \ - $(PROJECT_PATH)/components/hal/include/hal/i2s_types.h \ $(PROJECT_PATH)/components/hal/include/hal/lcd_types.h \ - $(PROJECT_PATH)/components/driver/include/driver/i2s_common.h \ - $(PROJECT_PATH)/components/driver/include/driver/i2s_std.h \ - $(PROJECT_PATH)/components/driver/include/driver/i2s_pdm.h \ - $(PROJECT_PATH)/components/driver/include/driver/i2s_tdm.h \ $(PROJECT_PATH)/components/hal/include/hal/ledc_types.h \ - $(PROJECT_PATH)/components/hal/include/hal/rmt_types.h \ $(PROJECT_PATH)/components/hal/include/hal/rtc_io_types.h \ $(PROJECT_PATH)/components/hal/include/hal/sdio_slave_types.h \ $(PROJECT_PATH)/components/hal/include/hal/sigmadelta_types.h \ diff --git a/docs/doxygen/Doxyfile_esp32 b/docs/doxygen/Doxyfile_esp32 index c35a4e2ef9..bdf8686905 100644 --- a/docs/doxygen/Doxyfile_esp32 +++ b/docs/doxygen/Doxyfile_esp32 @@ -1,6 +1,10 @@ INPUT += \ $(PROJECT_PATH)/components/driver/$(IDF_TARGET)/include/driver/dac.h \ $(PROJECT_PATH)/components/driver/$(IDF_TARGET)/include/driver/touch_sensor.h \ + $(PROJECT_PATH)/components/driver/include/driver/i2s_common.h \ + $(PROJECT_PATH)/components/driver/include/driver/i2s_pdm.h \ + $(PROJECT_PATH)/components/driver/include/driver/i2s_std.h \ + $(PROJECT_PATH)/components/driver/include/driver/i2s_types.h \ $(PROJECT_PATH)/components/driver/include/driver/mcpwm.h \ $(PROJECT_PATH)/components/driver/include/driver/pulse_cnt.h \ $(PROJECT_PATH)/components/driver/include/driver/rmt_common.h \ @@ -11,6 +15,7 @@ INPUT += \ $(PROJECT_PATH)/components/esp_hw_support/include/esp_himem.h \ $(PROJECT_PATH)/components/esp_system/include/esp_ipc.h \ $(PROJECT_PATH)/components/esp_system/include/esp_ipc_isr.h \ + $(PROJECT_PATH)/components/hal/include/hal/i2s_types.h \ $(PROJECT_PATH)/components/hal/include/hal/mcpwm_types.h \ $(PROJECT_PATH)/components/hal/include/hal/pcnt_types.h \ $(PROJECT_PATH)/components/hal/include/hal/rmt_types.h \ diff --git a/docs/doxygen/Doxyfile_esp32c3 b/docs/doxygen/Doxyfile_esp32c3 index 80aee38fa0..bc8bb51bcf 100644 --- a/docs/doxygen/Doxyfile_esp32c3 +++ b/docs/doxygen/Doxyfile_esp32c3 @@ -1,4 +1,9 @@ INPUT += \ + $(PROJECT_PATH)/components/driver/include/driver/i2s_common.h \ + $(PROJECT_PATH)/components/driver/include/driver/i2s_pdm.h \ + $(PROJECT_PATH)/components/driver/include/driver/i2s_std.h \ + $(PROJECT_PATH)/components/driver/include/driver/i2s_tdm.h \ + $(PROJECT_PATH)/components/driver/include/driver/i2s_types.h \ $(PROJECT_PATH)/components/driver/include/driver/rmt_common.h \ $(PROJECT_PATH)/components/driver/include/driver/rmt_encoder.h \ $(PROJECT_PATH)/components/driver/include/driver/rmt_rx.h \ @@ -7,4 +12,5 @@ INPUT += \ $(PROJECT_PATH)/components/driver/include/driver/temperature_sensor.h \ $(PROJECT_PATH)/components/esp_hw_support/include/soc/esp32c3/esp_ds.h \ $(PROJECT_PATH)/components/esp_hw_support/include/soc/esp32c3/esp_hmac.h \ + $(PROJECT_PATH)/components/hal/include/hal/i2s_types.h \ $(PROJECT_PATH)/components/hal/include/hal/rmt_types.h \ diff --git a/docs/doxygen/Doxyfile_esp32h2 b/docs/doxygen/Doxyfile_esp32h2 index c26f3191cf..ef8cb8a37c 100644 --- a/docs/doxygen/Doxyfile_esp32h2 +++ b/docs/doxygen/Doxyfile_esp32h2 @@ -1,4 +1,8 @@ INPUT += \ + $(PROJECT_PATH)/components/driver/include/driver/i2s_common.h \ + $(PROJECT_PATH)/components/driver/include/driver/i2s_pdm.h \ + $(PROJECT_PATH)/components/driver/include/driver/i2s_std.h \ + $(PROJECT_PATH)/components/driver/include/driver/i2s_types.h \ $(PROJECT_PATH)/components/driver/include/driver/rmt_common.h \ $(PROJECT_PATH)/components/driver/include/driver/rmt_encoder.h \ $(PROJECT_PATH)/components/driver/include/driver/rmt_rx.h \ @@ -7,4 +11,5 @@ INPUT += \ $(PROJECT_PATH)/components/driver/include/driver/temperature_sensor.h \ $(PROJECT_PATH)/components/esp_hw_support/include/soc/esp32h2/esp_ds.h \ $(PROJECT_PATH)/components/esp_hw_support/include/soc/esp32h2/esp_hmac.h \ + $(PROJECT_PATH)/components/hal/include/hal/i2s_types.h \ $(PROJECT_PATH)/components/hal/include/hal/rmt_types.h \ diff --git a/docs/doxygen/Doxyfile_esp32s2 b/docs/doxygen/Doxyfile_esp32s2 index f58d4c87ce..f74884ca20 100644 --- a/docs/doxygen/Doxyfile_esp32s2 +++ b/docs/doxygen/Doxyfile_esp32s2 @@ -2,6 +2,9 @@ INPUT += \ $(PROJECT_PATH)/components/driver/$(IDF_TARGET)/include/driver/dac.h \ $(PROJECT_PATH)/components/driver/$(IDF_TARGET)/include/driver/touch_sensor.h \ $(PROJECT_PATH)/components/driver/include/driver/pulse_cnt.h \ + $(PROJECT_PATH)/components/driver/include/driver/i2s_common.h \ + $(PROJECT_PATH)/components/driver/include/driver/i2s_std.h \ + $(PROJECT_PATH)/components/driver/include/driver/i2s_types.h \ $(PROJECT_PATH)/components/driver/include/driver/rmt_common.h \ $(PROJECT_PATH)/components/driver/include/driver/rmt_encoder.h \ $(PROJECT_PATH)/components/driver/include/driver/rmt_rx.h \ @@ -10,6 +13,7 @@ INPUT += \ $(PROJECT_PATH)/components/driver/include/driver/temperature_sensor.h \ $(PROJECT_PATH)/components/esp_hw_support/include/soc/esp32s2/esp_ds.h \ $(PROJECT_PATH)/components/esp_hw_support/include/soc/esp32s2/esp_hmac.h \ + $(PROJECT_PATH)/components/hal/include/hal/i2s_types.h \ $(PROJECT_PATH)/components/hal/include/hal/pcnt_types.h \ $(PROJECT_PATH)/components/hal/include/hal/rmt_types.h \ $(PROJECT_PATH)/components/soc/$(IDF_TARGET)/include/soc/dac_channel.h \ diff --git a/docs/doxygen/Doxyfile_esp32s3 b/docs/doxygen/Doxyfile_esp32s3 index 4ee673dcb5..7b9a67d7aa 100644 --- a/docs/doxygen/Doxyfile_esp32s3 +++ b/docs/doxygen/Doxyfile_esp32s3 @@ -1,5 +1,10 @@ INPUT += \ $(PROJECT_PATH)/components/driver/$(IDF_TARGET)/include/driver/touch_sensor.h \ + $(PROJECT_PATH)/components/driver/include/driver/i2s_common.h \ + $(PROJECT_PATH)/components/driver/include/driver/i2s_pdm.h \ + $(PROJECT_PATH)/components/driver/include/driver/i2s_std.h \ + $(PROJECT_PATH)/components/driver/include/driver/i2s_tdm.h \ + $(PROJECT_PATH)/components/driver/include/driver/i2s_types.h \ $(PROJECT_PATH)/components/driver/include/driver/mcpwm.h \ $(PROJECT_PATH)/components/driver/include/driver/pulse_cnt.h \ $(PROJECT_PATH)/components/driver/include/driver/rmt_common.h \ @@ -12,6 +17,7 @@ INPUT += \ $(PROJECT_PATH)/components/esp_hw_support/include/soc/$(IDF_TARGET)/esp_hmac.h \ $(PROJECT_PATH)/components/esp_system/include/esp_ipc.h \ $(PROJECT_PATH)/components/esp_system/include/esp_ipc_isr.h \ + $(PROJECT_PATH)/components/hal/include/hal/i2s_types.h \ $(PROJECT_PATH)/components/hal/include/hal/mcpwm_types.h \ $(PROJECT_PATH)/components/hal/include/hal/pcnt_types.h \ $(PROJECT_PATH)/components/hal/include/hal/rmt_types.h \ diff --git a/docs/en/api-reference/peripherals/i2s.rst b/docs/en/api-reference/peripherals/i2s.rst index d432802ca7..975a7dcf5d 100644 --- a/docs/en/api-reference/peripherals/i2s.rst +++ b/docs/en/api-reference/peripherals/i2s.rst @@ -10,14 +10,21 @@ I2S (Inter-IC Sound) is a serial, synchronous communication protocol that is usu {IDF_TARGET_NAME} contains {IDF_TARGET_I2S_NUM} I2S peripheral(s). These peripherals can be configured to input and output sample data via the I2S driver. -An I2S bus consists of the following lines: +An I2S bus that communicate in Standard or TDM mode consists of the following lines: -- MCLK: Master clock line. It's an optional signal depends on slave side, mainly for offering a reference clock to the I2S slave device. -- BCLK: Bit clock line. The bit clock for data line in common I2S applications. -- WS: Word(Slot) select line. It is usually used to identify the vocal tract except PDM mode. -- DIN/DOUT: Serial data input/output line. +- **MCLK:** Master clock line. It's an optional signal depends on slave side, mainly used for offering a reference clock to the I2S slave device. +- **BCLK:** Bit clock line. The bit clock for data line. +- **WS:** Word(Slot) select line. It is usually used to identify the vocal tract except PDM mode. +- **DIN/DOUT:** Serial data input/output line. (Data will loopback internally if din and dout are set to a same GPIO) -Each I2S controller has the following features that can be configured using the I2S driver: +.. only:: SOC_I2S_SUPPORTS_PDM_TX or SOC_I2S_SUPPORTS_PDM_RX + + And for the I2S bus that communicate in PDM mode, the lines are: + + - **CLK:** PDM clock line. + - **DIN/DOUT:** Serial data input/output line. + +Each I2S controller has the following features that can be configured by the I2S driver: - Operation as system master or slave - Capable of acting as transmitter or receiver @@ -29,7 +36,66 @@ Each I2S controller has the following features that can be configured using the .. only:: SOC_I2S_HW_VERSION_2 - Each controller has separate rx and tx channel. That means they are able to work under different clock and slot configurations with separate GPIO pins. Note that although their internal MCLK are separate, but the output MCLK signal can only be attached to one channel, we can't output two different MCLK at the same time. + Each controller has separate rx and tx channel. That means they are able to work under different clock and slot configurations with separate GPIO pins. Note that although the internal MCLK of tx channel and rx channel are separate on a controller, the output MCLK signal can only be attached to one channel. If two different MCLK ouput is required, they must be allocated on different I2S controller. + +I2S File Structure +------------------ + +.. figure:: ../../../_static/diagrams/i2s/i2s_file_structure.png + :align: center + :alt: I2S file structure + +**Public headers that need to be included in the I2S application** + +- ``i2s.h``: The header file of legacy I2S APIs (for apps using legacy driver). +- ``i2s_std.h``: The header file that provides standard communication mode specific APIs (for apps using new driver with standard mode). +- ``i2s_pdm.h``: The header file that provides PDM communication mode specific APIs (for apps using new driver with PDM mode). +- ``i2s_tdm.h``: The header file that provides TDM communication mode specific APIs (for apps using new driver with TDM mode). + +.. note:: + + The legacy driver can't coexist with the new driver. Including ``i2s.h`` to use the legacy driver or the other three headers to use the new driver. The legacy driver might be removed in future. + +**Public headers that have been included in the headers above** + +- ``i2s_types_legacy.h``: The legacy public types that only used in the legacy driver. +- ``i2s_types.h``: The header file that provides public types. +- ``i2s_common.h``: The header file that provides common APIs for all communication modes. + +I2S Clock +--------- + +Clock Source +^^^^^^^^^^^^ + +- :cpp:enumerator:`i2s_clock_src_t::I2S_CLK_SRC_DEFAULT`: Default PLL clock. + +.. only:: not esp32h2 + + - :cpp:enumerator:`i2s_clock_src_t::I2S_CLK_SRC_PLL_160M`: 160 MHz PLL clock. + +.. only:: esp32h2 + + - :cpp:enumerator:`i2s_clock_src_t::I2S_CLK_SRC_PLL_96M`: 96 MHz PLL clock. + +.. only:: SOC_I2S_SUPPORTS_APLL + + - :cpp:enumerator:`i2s_clock_src_t::I2S_CLK_SRC_APLL`: Audio PLL clock, more precise than ``I2S_CLK_SRC_PLL_160M`` in high sample rate applications. Its frequency is configurable according to the sample rate, but if APLL has been occupied by emac or other channels already, the APLL frequency is not allowed to change, the driver will try to work under this APLL frequency, if this APLL frequency can't meet the requirements of I2S, the clock configuration will fail. + +Clock Terminology +^^^^^^^^^^^^^^^^^ + +- **sample rate**: The number of sampled data in one second per slot. +- **sclk**: Source clock frequency. It is the frequency of the clock source. +- **mclk**: Master clock frequency. ``bclk`` is generate from this clock, ``mclk`` is mostly needed in the case that requires the MCLK signal as a reference clock to synchronize BCLK and WS between I2S master role and slave role. +- **bclk**: Bit clock frequency. Every tick of this clock stands for one data bit on data pin. It means there will be 8/16/24/32 ``bclk`` ticks in one slot, because the number of ``bclk`` ticks in one slot is equal to the :cpp:member:`i2s_std_slot_config_t::slot_bit_width`. +- **lrck** / **ws**: Left/Right clock or word select clock. For non-PDM mode, its frequency is equal to the sample rate. + +.. note:: + + Normally ``mclk`` should be the multiple of ``sample rate`` and ``bclk`` at the same time. This field :cpp:member:`i2s_std_clk_config_t::mclk_multiple` means the multiple of ``mclk`` to the ``sample rate``. If ``slot_bit_width`` is set to ``I2S_SLOT_BIT_WIDTH_24BIT``, to keep ``mclk`` a multiple to the ``bclk``, :cpp:member:`i2s_std_clk_config_t::mclk_multiple` should be set to ``I2S_MCLK_MULTIPLE_384``, otherwise the ``ws`` will be inaccurate. But in the most other cases, ``I2S_MCLK_MULTIPLE_256`` should be enough. + +.. _i2s-communication-mode: I2S Communication Mode ---------------------- @@ -38,36 +104,30 @@ Overview of All Modes ^^^^^^^^^^^^^^^^^^^^^ ========= ======== ======== ======== ======== ======== ========== -Platform Standard PDM TX PDM RX TDM ADC/DAC LCD/Camera + Target Standard PDM TX PDM RX TDM ADC/DAC LCD/Camera ========= ======== ======== ======== ======== ======== ========== -ESP32 port 0/1 port 0 port 0 none port 0 port 0 -ESP32S2 port 0 none none none none port 0 -ESP32C3 port 0 port 0 none port0 none none -ESP32S3 port 0/1 port 0 port 0 port 0/1 none none +ESP32 I2S 0/1 I2S 0 I2S 0 none I2S 0 I2S 0 +ESP32S2 I2S 0 none none none none I2S 0 +ESP32C3 I2S 0 I2S 0 none I2S0 none none +ESP32S3 I2S 0/1 I2S 0 I2S 0 I2S 0/1 none none ========= ======== ======== ======== ======== ======== ========== Standard Mode ^^^^^^^^^^^^^ -Standard mode always has left and right two sound channels which we called 'slots'. These slots can support 8/16/24/32 bits width sample data. And the communication format for the slots mainly includes the following formats: +Standard mode always has left and right two sound channels which are called 'slots'. These slots can support 8/16/24/32 bits width sample data. And the communication format for the slots mainly includes these following formats: - **Philip Format**: Data signal have one bit shift comparing to the WS(word select) signal. And the duty of WS signal is 50%. -.. figure:: ../../../_static/diagrams/i2s/std_philip.png - :align: center - :alt: Standard Philip Format +.. wavedrom:: /../_static/diagrams/i2s/std_philip.json - **MSB Format**: Almost same as philip format, but its data have no shift. -.. figure:: ../../../_static/diagrams/i2s/std_msb.png - :align: center - :alt: Standard MSB Format +.. wavedrom:: /../_static/diagrams/i2s/std_msb.json - **PCM Short Format**: Data have one bit shift and meanwhile WS signal becomes a pulse lasting one BCLK(Bit Clock) cycle. -.. figure:: ../../../_static/diagrams/i2s/std_pcm.png - :align: center - :alt: Standard PCM (Short Sync) Format +.. wavedrom:: /../_static/diagrams/i2s/std_pcm.json .. only:: SOC_I2S_SUPPORTS_PDM_TX @@ -75,26 +135,24 @@ Standard mode always has left and right two sound channels which we called 'slot PDM Mode (TX) ^^^^^^^^^^^^^ - PDM mode for tx channel can transfer PCM data into PDM format which always has left and right slots. PDM TX can only support 16 bits width sample data. PDM TX only need WS pin for clock signal and DOUT pin for data signal. This mode allows user to configure the up-sampling parameters :cpp:member:`i2s_pdm_tx_clk_config_t::up_sample_fp` :cpp:member:`i2s_pdm_tx_clk_config_t::up_sample_fs`. The up-sampling rate can be calculated by``up_sample_rate = fp / fs``, there are up-sampling modes in PDM TX: + PDM mode for tx channel can convert PCM data into PDM format which always has left and right slots. PDM TX can only support 16 bits width sample data. PDM TX only needs CLK pin for clock signal and DOUT pin for data signal (i.e. WS and SD signal in the following figure, the BCK signal is an internal bit sampling clock, not needed between PDM devices). This mode allows user to configure the up-sampling parameters :cpp:member:`i2s_pdm_tx_clk_config_t::up_sample_fp` :cpp:member:`i2s_pdm_tx_clk_config_t::up_sample_fs`. The up-sampling rate can be calculated by ``up_sample_rate = fp / fs``, there are up-sampling modes in PDM TX: + + - **Fixed Clock Frequency**: In this mode the up-sampling rate will change according to the sample rate. Setting ``fp = 960`` and ``fs = sample_rate / 100``, then the clock frequency(Fpdm) on CLK pin will be fixed to 128 * 48 KHz = 6.144 MHz, note that this frequency is not equal to the sample rate(Fpcm). + - **Fixed Up-sampling Rate**: In this mode the up-sampling rate is fixed to 2. Setting ``fp = 960`` and ``fs = 480``, then the clock frequency(Fpdm) on CLK pin will be ``128 * sample_rate`` + + .. wavedrom:: /../_static/diagrams/i2s/pdm.json - - **Fixed Clock Frequency**: In this mode the up-sampling rate will change according to the sample rate. We need to set ``fp = 960`` and ``fs = sample_rate / 100``, then the clock frequency(Fpdm) on WS pin will be fixed to 128 * 48 KHz = 6.144 MHz, note that this frequency is not equal to the sample rate(Fpcm). - - **Fixed Up-sampling Rate**: In this mode the up-sampling rate is fixed to 2. We need to set ``fp = 960`` and ``fs = 480``, then the clock frequency(Fpdm) on WS pin will be ``128 * sample_rate`` .. only:: SOC_I2S_SUPPORTS_PDM_RX PDM Mode (RX) ^^^^^^^^^^^^^ - PDM mode for rx channel can receive PDM format data and transfer the data into PCM format. PDM RX can only support 16 bits width sample data. PDM RX only need WS pin for clock signal and DIN pin for data signal. This mode allows user to configure the down-sampling parameter :cpp:member:`i2s_pdm_rx_slot_config_t::dn_sample_mode`, there are two down-sampling modes in PDM RX: + PDM mode for rx channel can receive PDM format data and convert the data into PCM format. PDM RX can only support 16 bits width sample data. PDM RX only need WS pin for clock signal and DIN pin for data signal. This mode allows user to configure the down-sampling parameter :cpp:member:`i2s_pdm_rx_clk_config_t::dn_sample_mode`, there are two down-sampling modes in PDM RX: - - :cpp:member:`i2s_pdm_dsr_t::I2S_PDM_DSR_8S`: In this mode, the clock frequency(Fpdm) on WS pin will be sample_rate(Fpcm) * 64. - - :cpp:member:`i2s_pdm_dsr_t::I2S_PDM_DSR_16S`: In this mode, the clock frequency(Fpdm) on WS pin will be sample_rate(Fpcm) * 128. + - :cpp:enumerator:`i2s_pdm_dsr_t::I2S_PDM_DSR_8S`: In this mode, the clock frequency(Fpdm) on WS pin will be sample_rate(Fpcm) * 64. + - :cpp:enumerator:`i2s_pdm_dsr_t::I2S_PDM_DSR_16S`: In this mode, the clock frequency(Fpdm) on WS pin will be sample_rate(Fpcm) * 128. -.. only:: SOC_I2S_SUPPORTS_PDM_TX or SOC_I2S_SUPPORTS_PDM_RX - - .. figure:: ../../../_static/diagrams/i2s/pdm.png - :align: center - :alt: PDM Format .. only:: SOC_I2S_SUPPORTS_TDM @@ -105,66 +163,33 @@ Standard mode always has left and right two sound channels which we called 'slot - **Philip Format**： Data signal have one bit shift comparing to the WS(word select) signal. And no matter how many slots are contained in one frame, the duty of WS signal will always keep 50%. - .. figure:: ../../../_static/diagrams/i2s/tdm_philip.png - :align: center - :alt: TDM Philip Format + .. wavedrom:: /../_static/diagrams/i2s/tdm_philip.json - **MSB Format**: Almost same as philip format, but its data have no shift. - .. figure:: ../../../_static/diagrams/i2s/tdm_msb.png - :align: center - :alt: TDM MSB Format + .. wavedrom:: /../_static/diagrams/i2s/tdm_msb.json - **PCM Short Format**: Data have one bit shift and meanwhile WS signal becomes a pulse lasting one BCLK(Bit Clock) cycle for every frame. - .. figure:: ../../../_static/diagrams/i2s/tdm_pcm_short.png - :align: center - :alt: TDM PCM (Short Sync) Format + .. wavedrom:: /../_static/diagrams/i2s/tdm_pcm_short.json - **PCM Long Format**: Data have one bit shift and meanwhile WS signal will lasting one slot bit width for every frame. For example, if there are 4 slots enabled, then the duty of WS will be 25%, and if there are 5 slots, it will be 20%. - .. figure:: ../../../_static/diagrams/i2s/tdm_pcm_long.png - :align: center - :alt: TDM PCM (Long Sync) Format + .. wavedrom:: /../_static/diagrams/i2s/tdm_pcm_long.json .. only:: SOC_I2S_SUPPORTS_LDC_CAMERA LCD/Camera Mode ^^^^^^^^^^^^^^^ - LCD/Camera mode are only supported on I2S0 over a parallel bus. For LCD mode, I2S0 should working at master tx mode. For camera mode, I2S0 should working at slave rx mode. These two modes won't be implemented in I2S driver, please refer to :doc:`/api-reference/peripherals/lcd` for LCD implementation. For more information, see *{IDF_TARGET_NAME} Technical Reference Manual* > *I2S Controller (I2S)* > LCD Mode [`PDF <{IDF_TARGET_TRM_EN_URL}#camlcdctrl>`__]. + LCD/Camera mode are only supported on I2S0 over a parallel bus. For LCD mode, I2S0 should working at master tx mode. For camera mode, I2S0 should working at slave rx mode. These two modes are not implemented by I2S driver, please refer to :doc:`/api-reference/peripherals/lcd` for LCD implementation. For more information, see *{IDF_TARGET_NAME} Technical Reference Manual* > *I2S Controller (I2S)* > LCD Mode [`PDF <{IDF_TARGET_TRM_EN_URL}#camlcdctrl>`__]. .. only:: SOC_I2S_SUPPORTS_ADC_DAC ADC/DAC Mode ^^^^^^^^^^^^ - ADC/DAC mode only exist on ESP32 and are only supported on I2S0. Actually, they are two sub-modes of LCD/Camera mode. I2S0 can be routed directly to the internal analog-to-digital converter(ADC) or digital-to-analog converter(DAC). In other words, ADC/DAC peripherals can read/write continuously via I2S0 DMA. As they are not an actual communication mode, I2S driver will no longer implement them, for the full support of ADC/DAC, please refer to ADC(:doc:`/api-reference/peripherals/adc`) or DAC(:doc:`/api-reference/peripherals/dac`) driver for implementation. - -I2S Clock ---------- - -Clock Source -^^^^^^^^^^^^ - -- :cpp:member:`i2s_clock_src_t::I2S_CLK_PLL_160M`: 160 MHz PLL clock. - -.. only:: SOC_I2S_SUPPORTS_APLL - - - :cpp:member:`i2s_clock_src_t::I2S_CLK_APLL`: Audio PLL clock, more precise than ``I2S_CLK_PLL_160M`` in high sample rate applications. Its frequency is configurable according to the sample rate, but if APLL has been occupied by emac or other channels already, the APLL frequency is not allowed to change, the driver will try to work under this APLL frequency, if this APLL frequency can't meet the requirements of I2S, the clock configuration will fail. - -Clock Concepts -^^^^^^^^^^^^^^ - -- **sample rate**: The number of sampled data in one second per slot. -- **sclk**: Source clock frequency. It is the frequency of the clock source. -- **mclk**: Master clock frequency. ``bclk`` is generate from this clock, in some cases, we need to output MCLK signal as a reference clock to synchronize BCLK and WS between I2S master role and slave role. -- **bclk**: Bit clock frequency. Every tick of this clock stands for one data bit on data pin. It means there will be 8/16/24/32 ``bclk`` ticks in one slot, because the number of ``bclk`` ticks in one slot is equal to the :cpp:member:`slot_bit_width` we set. -- **lrck** / **ws**: Left/Right clock or word select clock. For non-PDM mode, its frequency is equal to the sample rate. - -.. note:: - - Normally ``mclk`` should be the multiple of ``sample rate`` and ``bclk`` at the same time. This field :cpp:member:`i2s_std_clk_config_t::mclk_multiple` means the multiple of ``mclk`` to the ``sample rate``. If ``slot_bit_width`` is set to ``I2S_SLOT_BIT_WIDTH_24BIT``, to keep ``mclk`` a multiple to the ``bclk``, we need to set the :cpp:member:`i2s_std_clk_config_t::mclk_multiple` to ``I2S_MCLK_MULTIPLE_384``, otherwise the ``ws`` will be inaccurate. But in the most cases, ``I2S_MCLK_MULTIPLE_256`` should be enough. + ADC and DAC modes only exist on ESP32 and are only supported on I2S0. Actually, they are two sub-modes of LCD/Camera mode. I2S0 can be routed directly to the internal analog-to-digital converter(ADC) and digital-to-analog converter(DAC). In other words, ADC and DAC peripherals can read or write continuously via I2S0 DMA. As they are not an actual communication mode, the I2S driver does not implement them. Functional Overview ------------------- @@ -180,38 +205,42 @@ There are three levels' resources in I2S driver: - ``controller level``: Resources in one I2S controller. - ``channel level``: Resources of tx or rx channel in one I2S controller. -The public APIs are all channel level APIs, the channel handle :cpp:type:`i2s_chan_handle_t` can help user to manage the resources under a specific channel without considering the other two levels. The other two upper levels' resources are private and will be managed by the driver automatically. Users can call :cpp:func:`i2s_new_channel` to apply a channel handle and call :cpp:func:`i2s_del_channel` to delete it. +The public APIs are all channel level APIs, the channel handle :cpp:type:`i2s_chan_handle_t` can help user to manage the resources under a specific channel without considering the other two levels. The other two upper levels' resources are private and will be managed by the driver automatically. Users can call :cpp:func:`i2s_new_channel` to allocate a channel handle and call :cpp:func:`i2s_del_channel` to delete it. Power Management ^^^^^^^^^^^^^^^^ -When power management is enabled (i.e. :ref:`CONFIG_PM_ENABLE` is on), the system will adjust or stop the source clock of I2S before going into light sleep, thus potentially changing the I2S signals and leading to transmitting or receiving invalid data. +When the power management is enabled (i.e. :ref:`CONFIG_PM_ENABLE` is on), the system will adjust or stop the source clock of I2S before going into light sleep, thus potentially changing the I2S signals and leading to transmitting or receiving invalid data. -I2S driver can prevent the system from changing or stopping the source clock by acquiring a power management lock. When the source clock is generated from APB, the lock type will be set to :c:member:`ESP_PM_APB_FREQ_MAX` and when the source clock is APLL (if target support APLL), it will be set to :c:member:`ESP_PM_NO_LIGHT_SLEEP`. Whenever user is reading or writing via I2S, the driver will guarantee that the power management lock is acquired. Likewise, the driver releases the lock after reading or writing finished. +I2S driver can prevent the system from changing or stopping the source clock by acquiring a power management lock. When the source clock is generated from APB, the lock type will be set to :cpp:enumerator:`esp_pm_lock_type_t::ESP_PM_APB_FREQ_MAX` and when the source clock is APLL (if target support APLL), it will be set to :cpp:enumerator:`esp_pm_lock_type_t::ESP_PM_NO_LIGHT_SLEEP`. Whenever user is reading or writing via I2S (i.e. calling :cpp:func:`i2s_channel_read` or :cpp:func:`i2s_channel_write`), the driver will guarantee that the power management lock is acquired. Likewise, the driver releases the lock after reading or writing finished. Finite-State Machine ^^^^^^^^^^^^^^^^^^^^ -There are six states for a I2S channel, they are ``registered``, ``initializing``, ``ready``, ``idle``, ``writing`` and ``reading``. Their relationship is shown in the following diagram: +There are three states for an I2S channel, they are ``registered``, ``ready`` and ``running``. Their relationship is shown in the following diagram: .. figure:: ../../../_static/diagrams/i2s/i2s_state_machine.png :align: center :alt: I2S Finite-State Machine +The ```` in the diagram can be replaced by corresponding I2S communication mode like ``std`` for standard two-slot mode, for other information of communication mode, please refer to :ref:`i2s-communication-mode` section. + Data Transport ^^^^^^^^^^^^^^ -The data transport of I2S peripheral, including sending and receiving, is realized by DMA. Before transporting data, we need to call :cpp:func:`i2s_start_channel` to start the specific channel. When we sent or received data reached the size of one DMA buffer, ``I2S_OUT_EOF`` or ``I2S_IN_SUC_EOF`` interrupt will be triggered. Note that the DMA buffer size is not equal to :cpp:member:`i2s_std_slot_config_t::dma_frame_num`, one frame here means all the sampled data in one WS circle. Therefore, ``dma_buffer_size = dma_frame_num * slot_num * slot_bit_width / 8``. For the transmit case, users input the data by :cpp:func:`i2s_write_channel`, ``i2s_write_channel`` will help user to copy the data from source buffer to the DMA tx buffer and waiting for transmit finished and then repeat until sent bytes reached the given size. For the receive case, the rx DMA buffer address will be sent from isr to :cpp:func:`i2s_read_channel`, ``i2s_read_channel`` will help user the copy the data from DMA rx buffer to the destination buffer. +The data transport of I2S peripheral, including sending and receiving, is realized by DMA. Before transporting data, please call :cpp:func:`i2s_channel_enable` to enable the specific channel. When the sent or received data reach the size of one DMA buffer, ``I2S_OUT_EOF`` or ``I2S_IN_SUC_EOF`` interrupt will be triggered. Note that the DMA buffer size is not equal to :cpp:member:`i2s_std_slot_config_t::dma_frame_num`, one frame here means all the sampled data in one WS circle. Therefore, ``dma_buffer_size = dma_frame_num * slot_num * slot_bit_width / 8``. For the transmit case, users can input the data by calling :cpp:func:`i2s_channel_write`. This function will help users to copy the data from the source buffer to the DMA tx buffer and wait for the transmition finished. Then it'll repeat until the sent bytes reach the given size. For the receive case, the function :cpp:func:`i2s_channel_read` will wait for receiving the message queue which contains the DMA buffer address, it will help users to copy the data from DMA rx buffer to the destination buffer. + +Both :cpp:func:`i2s_channel_write` and :cpp:func:`i2s_channel_read` are blocking functions, they will keep waiting until the whole source buffer are sent or the whole destination buffer loaded, unless they exceed the max blocking time, then the error code `ESP_ERR_TIMEOUT` will return in this case. To send or receive data asynchronously, callbacks can be registered by :cpp:func:`i2s_channel_register_event_callback`, users are able to access the DMA buffer directly in the callback function instead of transmitting or receiving by the two blocking functions. However, please be aware that it is an interrupt callback, don't do complex logic, floating operation or call non-reentrant functions in the callback. Configuration Setting ^^^^^^^^^^^^^^^^^^^^^^ -Users can initialize a channel by calling :cpp:func:`i2s_init_channel`, it will initialize a channel working at a specific mode by input corresponding clock and slot configurations. If we want to update the configuration after initialization, we need to call :cpp:func:`i2s_stop_channel` first to ensure the channel has stopped, then call :cpp:func:`i2s_set_slot` or :cpp:func:`i2s_set_clock` to update the configuration. +Users can initialize a channel by corresponding function (i.e. :func:`i2s_channel_init_std_mode`, :func:`i2s_channel_init_pdm_rx_mode`, :func:`i2s_channel_init_pdm_tx_mode` or :func:`i2s_channel_init_tdm_mode`), the channel will be initialized to the specific mode. If the configurations need to be updated after initialization, :cpp:func:`i2s_channel_disable` has to be called first to ensure the channel has stopped, and then calling corresponding 'reconfig' functions, like :cpp:func:`i2s_channel_reconfig_std_slot`, :cpp:func:`i2s_channel_reconfig_std_clock`, :cpp:func:`i2s_channel_reconfig_std_gpio`. IRAM Safe ^^^^^^^^^ -By default, the GPTimer interrupt will be deferred when the Cache is disabled for reasons like writing/erasing Flash. Thus the EOF interrupt will not get executed in time, which is not expected in a real-time application. +By default, the I2S interrupt will be deferred when the Cache is disabled for reasons like writing/erasing Flash. Thus the EOF interrupt will not get executed in time, which is not expected in a real-time application. There's a Kconfig option :ref:`CONFIG_I2S_ISR_IRAM_SAFE` that will: @@ -221,6 +250,18 @@ There's a Kconfig option :ref:`CONFIG_I2S_ISR_IRAM_SAFE` that will: This will allow the interrupt to run while the cache is disabled but will come at the cost of increased IRAM consumption. +Thread Safety +^^^^^^^^^^^^^ + +All the public I2S APIs are guaranteed to be thread safe by the driver, which means, user can call them from different RTOS tasks without protection by extra locks. Notice that I2S driver uses mutex lock to ensure the thread safety, thus these APIs are not allowed to be used in ISR. + +Kconfig Options +^^^^^^^^^^^^^^^ + +- :ref:`CONFIG_I2S_ISR_IRAM_SAFE` controls whether the default ISR handler can work when cache is disabled, see `IRAM Safe <#iram-safe>`__ for more information. +- :ref:`CONFIG_I2S_SUPPRESS_DEPRECATE_WARN` controls whether to suppress the compiling warning message while using the legacy I2S driver. +- :ref:`CONFIG_I2S_ENABLE_DEBUG_LOG` is used to enabled the debug log output. Enable this option will increase the firmware binary size. + Application Example ------------------- @@ -230,100 +271,116 @@ Here are some simple usages of each mode: Standard TX/RX usage ^^^^^^^^^^^^^^^^^^^^ -We can choose different helper macros to generate different slot communication format for standard mode. As described above, there are three formats in standard mode, their helper macros are: +Different slot communication formats can be generated by following helper macros for standard mode. As described above, there are three formats in standard mode, their helper macros are: -- ``I2S_STD_PHILIP_SLOT_CONFIG(bits_per_sample, mono_or_stereo)`` -- ``I2S_STD_PCM_SLOT_CONFIG(bits_per_sample, mono_or_stereo)`` -- ``I2S_STD_MSB_SLOT_CONFIG(bits_per_sample, mono_or_stereo)`` +- :c:macro:`I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG` +- :c:macro:`I2S_STD_PCM_SLOT_DEFAULT_CONFIG` +- :c:macro:`I2S_STD_MSB_SLOT_DEFAULT_CONFIG` The clock config helper macro is: -- ``I2S_STD_CLK_CONFIG(rate)`` +- :c:macro:`I2S_STD_CLK_DEFAULT_CONFIG` -You can refer to :ref:`i2s-api-reference-i2s_std` for STD API information. -And for more details, please refer to :component_file:`hal/include/hal/i2s_std.h`. +Please refer to :ref:`i2s-api-reference-i2s_std` for STD API information. +And for more details, please refer to :component_file:`driver/include/driver/i2s_std.h`. .. code-block:: c - #include "driver/i2s_controller.h" + #include "driver/i2s_std.h" #include "driver/gpio.h" i2s_chan_handle_t tx_handle; - i2s_gpio_config_t i2s_pin = { - .mclk = I2S_GPIO_UNUSED, - .bclk = GPIO_NUM_4, - .ws = GPIO_NUM_5, - .dout = GPIO_NUM_18, - .din = I2S_GPIO_UNUSED - }; /* Get the default channel configuration by helper macro. - * This helper macro is defined in 'i2s_controller.h' and shared by all the i2s communication mode. - * It can help to specify the I2S role, mode and gpio pins */ - i2s_chan_config_t chan_cfg = I2S_CHANNEL_CONFIG(I2S_ROLE_MASTER, I2S_COMM_MODE_STD, &i2s_pin); - /* Apply a new tx channel and get the handle of this channel */ + * This helper macro is defined in 'i2s_common.h' and shared by all the i2s communication mode. + * It can help to specify the I2S role, and port id */ + i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_AUTO, I2S_ROLE_MASTER); + /* Allocate a new tx channel and get the handle of this channel */ i2s_new_channel(&chan_cfg, &tx_handle, NULL); - /* Get the default std philip format slot config and default std clock config + /* Setting the configurations, the slot configuration and clock configuration can be generated by the macros * These two helper macros is defined in 'i2s_std.h' which can only be used in STD mode. * They can help to specify the slot and clock configurations for initialization or updating */ - i2s_std_slot_config_t slot_cfg = I2S_STD_PHILIP_SLOT_CONFIG(I2S_DATA_BIT_WIDTH_32BIT, I2S_SLOT_MODE_STEREO); - i2s_std_clk_config_t clk_cfg = I2S_STD_CLK_CONFIG(48000); + i2s_std_config_t std_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(48000), + .slot_cfg = I2S_STD_MSB_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_32BIT, I2S_SLOT_MODE_STEREO), + .gpio_cfg = { + .mclk = I2S_GPIO_UNUSED, + .bclk = GPIO_NUM_4, + .ws = GPIO_NUM_5, + .dout = GPIO_NUM_18, + .din = I2S_GPIO_UNUSED, + .invert_flags = { + .mclk_inv = false, + .bclk_inv = false, + .ws_inv = false, + }, + }, + }; /* Initialize the channel */ - i2s_init_channel(tx_handle, &clk_cfg, &slot_cfg); + i2s_channel_init_std_mode(tx_handle, &std_cfg); - /* If we meed to acquire the I2S events, we can apply an event handle for receiving the events */ - // QueueHandle_t evt_que = i2s_get_event_queue(tx_handle, 15); + /* Before write data, start the tx channel first */ + i2s_channel_enable(tx_handle); + i2s_channel_write(tx_handle, src_buf, bytes_to_write, bytes_written, ticks_to_wait); - /* Before write data, we have to start the tx channel */ - i2s_start_channel(tx_handle); - i2s_write_channel(tx_handle, src_buf, bytes_to_write, bytes_written, ticks_to_wait); + /* If the configurations of slot or clock need to be updated, + * stop the channel first and then update it */ + // i2s_channel_disable(tx_handle); + // std_cfg.slot_cfg.slot_mode = I2S_SLOT_MODE_MONO; // Default is stereo + // i2s_channel_reconfig_std_slot(tx_handle, &std_cfg.slot_cfg); + // std_cfg.clk_cfg.sample_rate_hz = 96000; + // i2s_channel_reconfig_std_clock(tx_handle, &std_cfg.clk_cfg); - /* If we need to update the configurations of slot or clock, - * we need to stop the channel first and then update it */ - // i2s_stop_channel(tx_handle); - // slot_cfg.slot_mode = I2S_SLOT_MODE_MONO; // Default is stereo - // i2s_set_slot(tx_handle, &slot_cfg); - // i2s_std_clk_config_t new_clk_cfg = I2S_STD_CLK_CONFIG(96000); - // i2s_set_clock(tx_handle, &new_clk_cfg); - - /* If the handle is not needed any more, we can delete it to release the channel resources */ + /* Have to stop the channel before deleting it */ + i2s_channel_disable(tx_handle); + /* If the handle is not needed any more, delete it to release the channel resources */ i2s_del_channel(tx_handle); .. code-block:: c - #include "driver/i2s_controller.h" + #include "driver/i2s_std.h" #include "driver/gpio.h" i2s_chan_handle_t rx_handle; - i2s_gpio_config_t i2s_pin = { - .mclk = I2S_GPIO_UNUSED, - .bclk = GPIO_NUM_4, - .ws = GPIO_NUM_5, - .dout = I2S_GPIO_UNUSED, - .din = GPIO_NUM_19 - }; /* Get the default channel configuration by helper macro. - * This helper macro is defined in 'i2s_controller.h' and shared by all the i2s communication mode. - * It can help to specify the I2S role, mode and gpio pins */ - i2s_chan_config_t chan_cfg = I2S_CHANNEL_CONFIG(I2S_ROLE_MASTER, I2S_COMM_MODE_STD, &i2s_pin); - /* Apply a new rx channel and get the handle of this channel */ + * This helper macro is defined in 'i2s_common.h' and shared by all the i2s communication mode. + * It can help to specify the I2S role, and port id */ + i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_AUTO, I2S_ROLE_MASTER); + /* Allocate a new rx channel and get the handle of this channel */ i2s_new_channel(&chan_cfg, NULL, &rx_handle); - /* Get the default std philip format slot config and default std clock config + /* Setting the configurations, the slot configuration and clock configuration can be generated by the macros * These two helper macros is defined in 'i2s_std.h' which can only be used in STD mode. * They can help to specify the slot and clock configurations for initialization or updating */ - i2s_std_slot_config_t slot_cfg = I2S_STD_MSB_SLOT_CONFIG(I2S_DATA_BIT_WIDTH_32BIT, I2S_SLOT_MODE_STEREO); // get the default MSB format slot config - i2s_std_clk_config_t clk_cfg = I2S_STD_CLK_CONFIG(48000); + i2s_std_config_t std_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(48000), + .slot_cfg = I2S_STD_MSB_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_32BIT, I2S_SLOT_MODE_STEREO), + .gpio_cfg = { + .mclk = I2S_GPIO_UNUSED, + .bclk = GPIO_NUM_4, + .ws = GPIO_NUM_5, + .dout = I2S_GPIO_UNUSED, + .din = GPIO_NUM_19, + .invert_flags = { + .mclk_inv = false, + .bclk_inv = false, + .ws_inv = false, + }, + }, + }; /* Initialize the channel */ - i2s_init_channel(rx_handle, &clk_cfg, &slot_cfg); + i2s_channel_init_std_mode(rx_handle, &std_cfg); - /* Before read data, we have to start the rx channel */ - i2s_start_channel(rx_handle); - i2s_read_channel(rx_handle, desc_buf, bytes_to_read, bytes_read, ticks_to_wait); + /* Before read data, start the rx channel first */ + i2s_channel_enable(rx_handle); + i2s_channel_read(rx_handle, desc_buf, bytes_to_read, bytes_read, ticks_to_wait); - /* If the handle is not needed any more, we can delete it to release the channel resources */ + /* Have to stop the channel before deleting it */ + i2s_channel_disable(rx_handle); + /* If the handle is not needed any more, delete it to release the channel resources */ i2s_del_channel(rx_handle); + .. only:: SOC_I2S_SUPPORTS_PDM_TX PDM TX usage @@ -331,37 +388,37 @@ And for more details, please refer to :component_file:`hal/include/hal/i2s_std.h For PDM mode in tx channel, the slot configuration helper macro is: - - ``I2S_PDM_TX_SLOT_CONFIG(bits_per_sample, mono_or_stereo)`` + - :c:macro:`I2S_PDM_TX_SLOT_DEFAULT_CONFIG` The clock configuration helper macro is: - - ``I2S_PDM_TX_CLK_CONFIG(rate)`` + - :c:macro:`I2S_PDM_TX_CLK_DEFAULT_CONFIG` - You can refer to :ref:`i2s-api-reference-i2s_pdm` for PDM TX API information. - And for more details, please refer to :component_file:`hal/include/hal/i2s_pdm.h`. + Please refer to :ref:`i2s-api-reference-i2s_pdm` for PDM TX API information. + And for more details, please refer to :component_file:`driver/include/driver/i2s_pdm.h`. .. code-block:: c - #include "driver/i2s_controller.h" + #include "driver/i2s_pdm.h" #include "driver/gpio.h" - i2s_chan_handle_t tx_handle; - i2s_gpio_config_t i2s_pin = { - .mclk = I2S_GPIO_UNUSED, - .bclk = I2S_GPIO_UNUSED, - .ws = GPIO_NUM_5, - .dout = GPIO_NUM_18, - .din = I2S_GPIO_UNUSED - }; - - /* Set the channel mode to PDM TX */ - i2s_chan_config_t chan_cfg = I2S_CHANNEL_CONFIG(I2S_ROLE_MASTER, I2S_COMM_MODE_PDM, &i2s_pin); + /* Allocate an I2S tx channel */ + i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER); i2s_new_channel(&chan_cfg, &tx_handle, NULL); - /* Get the default pdm tx format slot config and default pdm tx config */ - i2s_pdm_tx_slot_config_t tx_slot_cfg = I2S_PDM_TX_SLOT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_MONO); - i2s_pdm_tx_clk_config_t tx_clk_cfg = I2S_PDM_TX_CLK_CONFIG(36000); - i2s_init_channel(tx_handle, &tx_clk_cfg, &tx_slot_cfg); + /* Init the channel into PDM TX mode */ + i2s_pdm_tx_config_t pdm_tx_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(36000), + .slot_cfg = I2S_STD_MSB_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_MONO), + .gpio_cfg = { + .clk = GPIO_NUM_5, + .dout = GPIO_NUM_18, + .invert_flags = { + .clk_inv = false, + }, + }, + }; + i2s_channel_init_pdm_tx_mode(tx_handle, &pdm_tx_cfg); ... @@ -373,38 +430,39 @@ And for more details, please refer to :component_file:`hal/include/hal/i2s_std.h For PDM mode in RX channel, the slot configuration helper macro is: - - ``I2S_PDM_RX_SLOT_CONFIG(bits_per_sample, mono_or_stereo)`` + - :c:macro:`I2S_PDM_RX_SLOT_DEFAULT_CONFIG` The clock configuration helper macro is: - - ``I2S_PDM_RX_CLK_CONFIG(rate)`` + - :c:macro:`I2S_PDM_RX_CLK_DEFAULT_CONFIG` - You can refer to :ref:`i2s-api-reference-i2s_pdm` for PDM RX API information. - And for more details, please refer to :component_file:`hal/include/hal/i2s_pdm.h`. + Please refer to :ref:`i2s-api-reference-i2s_pdm` for PDM RX API information. + And for more details, please refer to :component_file:`driver/include/driver/i2s_pdm.h`. .. code-block:: c - #include "driver/i2s_controller.h" + #include "driver/i2s_pdm.h" #include "driver/gpio.h" i2s_chan_handle_t rx_handle; - i2s_gpio_config_t i2s_pin = { - .mclk = I2S_GPIO_UNUSED, - .bclk = I2S_GPIO_UNUSED, - .ws = GPIO_NUM_5, - .dout = I2S_GPIO_UNUSED, - .din = GPIO_NUM_19 - }; - /* Set the channel mode to PDM RX */ - i2s_chan_config_t chan_cfg = I2S_CHANNEL_CONFIG(I2S_ROLE_MASTER, I2S_COMM_MODE_PDM, &i2s_pin); + /* Allocate an I2S rx channel */ + i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER); i2s_new_channel(&chan_cfg, &rx_handle, NULL); - /* Get the default pdm rx format slot config and default pdm rx clock config */ - i2s_pdm_rx_slot_config_t rx_slot_cfg = I2S_PDM_RX_SLOT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_MONO); - // rx_slot_cfg.slot_mode = I2S_SLOT_MODE_STEREO; // Default is mono - i2s_pdm_rx_clk_config_t rx_clk_cfg = I2S_PDM_RX_CLK_CONFIG(36000); - i2s_init_channel(rx_handle, &clk_cfg, &slot_cfg); + /* Init the channel into PDM RX mode */ + i2s_pdm_rx_config_t pdm_rx_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(36000), + .slot_cfg = I2S_STD_MSB_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_MONO), + .gpio_cfg = { + .clk = GPIO_NUM_5, + .din = GPIO_NUM_19, + .invert_flags = { + .clk_inv = false, + }, + }, + }; + i2s_channel_init_pdm_rx_mode(rx_handle, &pdm_rx_cfg); ... @@ -414,108 +472,125 @@ And for more details, please refer to :component_file:`hal/include/hal/i2s_std.h TDM TX/RX usage ^^^^^^^^^^^^^^^ - We can choose different helper macros to generate different slot communication format for TDM mode. As described above, there are four formats in TDM mode, their helper macros are: + Different slot communication formats can be generated by following helper macros for TDM mode. As described above, there are four formats in TDM mode, their helper macros are: - - ``I2S_TDM_PHILIP_SLOT_CONFIG(bits_per_sample, mono_or_stereo, mask)`` - - ``I2S_TDM_MSB_SLOT_CONFIG(bits_per_sample, mono_or_stereo, mask)`` - - ``I2S_TDM_PCM_SHORT_SLOT_CONFIG(bits_per_sample, mono_or_stereo, mask)`` - - ``I2S_TDM_PCM_LONG_SLOT_CONFIG(bits_per_sample, mono_or_stereo, mask)`` + - :c:macro:`I2S_TDM_PHILIP_SLOT_DEFAULT_CONFIG` + - :c:macro:`I2S_TDM_MSB_SLOT_DEFAULT_CONFIG` + - :c:macro:`I2S_TDM_PCM_SHORT_SLOT_DEFAULT_CONFIG` + - :c:macro:`I2S_TDM_PCM_LONG_SLOT_DEFAULT_CONFIG` The clock config helper macro is: - - ``I2S_TDM_CLK_CONFIG(rate)`` + - :c:macro:`I2S_TDM_CLK_DEFAULT_CONFIG` - You can refer to :ref:`i2s-api-reference-i2s_tdm` for TDM API information. - And for more details, please refer to :component_file:`hal/include/hal/i2s_tdm.h`. + Please refer to :ref:`i2s-api-reference-i2s_tdm` for TDM API information. + And for more details, please refer to :component_file:`driver/include/driver/i2s_tdm.h`. .. code-block:: c - #include "driver/i2s_controller.h" + #include "driver/i2s_tdm.h" #include "driver/gpio.h" - i2s_chan_handle_t tx_handle; - i2s_gpio_config_t i2s_pin = { - .mclk = I2S_GPIO_UNUSED, - .bclk = GPIO_NUM_4, - .ws = GPIO_NUM_5, - .dout = GPIO_NUM_18, - .din = I2S_GPIO_UNUSED - }; - - /* Set the channel mode to TDM */ - i2s_chan_config_t chan_cfg = I2S_CHANNEL_CONFIG(I2S_ROLE_MASTER, I2S_COMM_MODE_TDM, &i2s_pin); + /* Allocate an I2S tx channel */ + i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_AUTO, I2S_ROLE_MASTER); i2s_new_channel(&chan_cfg, &tx_handle, NULL); - /* Get the default tdm format slot config and default tdm clock config */ - i2s_tdm_slot_config_t slot_cfg = I2S_TDM_MSB_SLOT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_STEREO, I2S_TDM_SLOT0 | I2S_TDM_SLOT1 | I2S_TDM_SLOT2 | I2S_TDM_SLOT3); - // slot_cfg.mono = true; // Default is false, set true will let all the active slots send same data - i2s_tdm_clk_config_t clk_cfg = I2S_TDM_CLK_CONFIG(44100); - i2s_init_channel(tx_handle, &clk_cfg, &slot_cfg); + /* Init the channel into TDM mode */ + i2s_tdm_config_t tdm_cfg = { + .clk_cfg = I2S_TDM_CLK_DEFAULT_CONFIG(44100), + .slot_cfg = I2S_TDM_MSB_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_STEREO, + I2S_TDM_SLOT0 | I2S_TDM_SLOT1 | I2S_TDM_SLOT2 | I2S_TDM_SLOT3), + .gpio_cfg = { + .mclk = I2S_GPIO_UNUSED, + .bclk = GPIO_NUM_4, + .ws = GPIO_NUM_5, + .dout = GPIO_NUM_18, + .din = I2S_GPIO_UNUSED, + .invert_flags = { + .mclk_inv = false, + .bclk_inv = false, + .ws_inv = false, + }, + }, + }; + i2s_channel_init_tdm_mode(tx_handle, &tdm_cfg); ... .. code-block:: c - #include "driver/i2s_controller.h" + #include "driver/i2s_tdm.h" #include "driver/gpio.h" - i2s_chan_handle_t rx_handle; - i2s_gpio_config_t i2s_pin = { - .mclk = I2S_GPIO_UNUSED, - .bclk = GPIO_NUM_4, - .ws = GPIO_NUM_5, - .dout = I2S_GPIO_UNUSED, - .din = GPIO_NUM_19 - }; - /* Set the channel mode to TDM */ i2s_chan_config_t chan_cfg = I2S_CHANNEL_CONFIG(I2S_ROLE_MASTER, I2S_COMM_MODE_TDM, &i2s_pin); i2s_new_channel(&chan_cfg, NULL, &rx_handle); - /* Get the default tdm format slot config and default tdm clock config */ - i2s_tdm_slot_config_t slot_cfg = I2S_TDM_MSB_SLOT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_STEREO, I2S_TDM_SLOT0 | I2S_TDM_SLOT1 | I2S_TDM_SLOT2 | I2S_TDM_SLOT3); - i2s_tdm_clk_config_t clk_cfg = I2S_TDM_CLK_CONFIG(44100); - i2s_init_channel(tx_handle, &clk_cfg, &slot_cfg); + /* Init the channel into TDM mode */ + i2s_tdm_config_t tdm_cfg = { + .clk_cfg = I2S_TDM_CLK_DEFAULT_CONFIG(44100), + .slot_cfg = I2S_TDM_MSB_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_STEREO, + I2S_TDM_SLOT0 | I2S_TDM_SLOT1 | I2S_TDM_SLOT2 | I2S_TDM_SLOT3), + .gpio_cfg = { + .mclk = I2S_GPIO_UNUSED, + .bclk = GPIO_NUM_4, + .ws = GPIO_NUM_5, + .dout = I2S_GPIO_UNUSED, + .din = GPIO_NUM_18, + .invert_flags = { + .mclk_inv = false, + .bclk_inv = false, + .ws_inv = false, + }, + }, + }; + i2s_channel_init_tdm_mode(rx_handle, &tdm_cfg); ... Full-duplex ^^^^^^^^^^^ -Full-duplex mode will register tx and rx channel in a I2S port at the same time, and they will share the BCLK and WS signal. Currently STD and TDM communication mode are able to apply full-duplex mode in following way, but PDM full-duplex is not supported in this way. +Full-duplex mode will register tx and rx channel in an I2S port at the same time, and they will share the BCLK and WS signal. Currently STD and TDM communication mode are able to adopt full-duplex mode in following way, but PDM full-duplex is not supported because PDM TX and RX clock are not same. -Note that since the handle is the channel handle, we have to apply same slot and clock configurations for both tx and rx channel one by one. +Note that one handle can only stand for one channel, the slot and clock configurations for both tx and rx channel should be set one by one. -Here is an example of how to apply a pair of full-duplex channels: +Here is an example of how to allocate a pair of full-duplex channels: .. code-block:: c - #include "driver/i2s_controller.h" + #include "driver/i2s_std.h" #include "driver/gpio.h" i2s_chan_handle_t tx_handle; i2s_chan_handle_t rx_handle; - i2s_gpio_config_t i2s_pin = { - .mclk = I2S_GPIO_UNUSED, - .bclk = GPIO_NUM_4, - .ws = GPIO_NUM_5, - .dout = GPIO_NUM_18, - .din = GPIO_NUM_19 - }; - /* Set the channel mode to STD */ - i2s_chan_config_t chan_cfg = I2S_CHANNEL_CONFIG(I2S_ROLE_MASTER, I2S_COMM_MODE_STD, &i2s_pin); - /* Apply for tx and rx channel at the same time, then they will work in full-duplex mode */ + /* Allocate a pair of I2S channel */ + i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_AUTO, I2S_ROLE_MASTER); + /* Allocate for tx and rx channel at the same time, then they will work in full-duplex mode */ i2s_new_channel(&chan_cfg, &tx_handle, &rx_handle); - /* Get the default configurations */ - i2s_std_slot_config_t slot_cfg = I2S_STD_PHILIP_SLOT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_STEREO); - i2s_std_clk_config_t clk_cfg = I2S_STD_CLK_CONFIG(32000); /* Set the configurations for BOTH TWO channels, since tx and rx channel have to be same in full-duplex mode */ - i2s_init_channle(tx_handle, &clk_cfg, &slot_cfg); - i2s_init_channle(rx_handle, &clk_cfg, &slot_cfg); + i2s_std_config_t std_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(32000), + .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_STEREO), + .gpio_cfg = { + .mclk = I2S_GPIO_UNUSED, + .bclk = GPIO_NUM_4, + .ws = GPIO_NUM_5, + .dout = GPIO_NUM_18, + .din = GPIO_NUM_19, + .invert_flags = { + .mclk_inv = false, + .bclk_inv = false, + .ws_inv = false, + }, + }, + }; + i2s_init_channle(tx_handle, &std_cfg); + i2s_init_channle(rx_handle, &std_cfg); - i2s_start_channel(tx_handle); - i2s_start_channel(rx_handle); + i2s_channel_enable(tx_handle); + i2s_channel_enable(rx_handle); ... @@ -524,92 +599,119 @@ Here is an example of how to apply a pair of full-duplex channels: Simplex Mode ^^^^^^^^^^^^ - To apply the simplex mode, :c:func:`i2s_new_channel` should be called for each channel. The clock and gpio pins of TX/RX channel on {IDF_TARGET_NAME} are not separate, therefore TX and RX channel can't coexist on a same I2S port in simplex mode. + To allocate a channel handle in simplex mode, :cpp:func:`i2s_new_channel` should be called for each channel. The clock and gpio pins of TX/RX channel on {IDF_TARGET_NAME} are not separate, therefore TX and RX channel can't coexist on a same I2S port in simplex mode. .. code-block:: c - #include "driver/i2s_controller.h" + #include "driver/i2s_std.h" #include "driver/gpio.h" i2s_chan_handle_t tx_handle; i2s_chan_handle_t rx_handle; - i2s_gpio_config_t tx_pin = { - .mclk = GPIO_NUM_0, - .bclk = GPIO_NUM_4, - .ws = GPIO_NUM_5, - .dout = GPIO_NUM_18, - .din = I2S_GPIO_UNUSED - }; - i2s_chan_config_t tx_chan_cfg = I2S_CHANNEL_CONFIG(I2S_ROLE_MASTER, I2S_COMM_MODE_STD, tx_pin); - i2s_new_channel(&tx_chan_cfg, &tx_handle, NULL); - i2s_std_slot_config_t tx_slot_cfg = I2S_STD_PHILIP_SLOT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_STEREO); - tx_slot_cfg.auto_clear = false; - i2s_std_clk_config_t tx_clk_cfg = I2S_STD_CLK_CONFIG(48000); - i2s_init_channel(tx_handle, &tx_clk_cfg, &tx_slot_cfg); - i2s_start_channel(tx_handle); - i2s_gpio_config_t rx_pin = { - .mclk = I2S_GPIO_UNUSED, - .bclk = GPIO_NUM_6, - .ws = GPIO_NUM_7, - .dout = I2S_GPIO_UNUSED, - .din = GPIO_NUM_19 + i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_AUTO, I2S_ROLE_MASTER); + i2s_new_channel(&chan_cfg, &tx_handle, NULL); + i2s_std_config_t std_tx_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(48000), + .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_STEREO), + .gpio_cfg = { + .mclk = GPIO_NUM_0, + .bclk = GPIO_NUM_4, + .ws = GPIO_NUM_5, + .dout = GPIO_NUM_18, + .din = I2S_GPIO_UNUSED, + .invert_flags = { + .mclk_inv = false, + .bclk_inv = false, + .ws_inv = false, + }, + }, }; - i2s_chan_config_t rx_chan_cfg = I2S_CHANNEL_CONFIG(I2S_ROLE_MASTER, I2S_COMM_MODE_STD, rx_pin); + /* Initialize the channel */ + i2s_channel_init_std_mode(tx_handle, &std_tx_cfg); + i2s_channel_enable(tx_handle); + /* rx channel will be registered on another I2S, if no other available I2S unit found * it will return ESP_ERR_NOT_FOUND */ - i2s_new_channel(&rx_chan_cfg, NULL, &rx_handle); - i2s_std_slot_config_t rx_slot_cfg = I2S_STD_MSB_SLOT_CONFIG(I2S_DATA_BIT_WIDTH_32BIT, I2S_SLOT_MODE_STEREO); - i2s_std_clk_config_t rx_clk_cfg = I2S_STD_CLK_CONFIG(16000); - i2s_init_channel(rx_handle, &rx_clk_cfg, &rx_slot_cfg); - i2s_start_channel(rx_handle); + i2s_new_channel(&chan_cfg, NULL, &rx_handle); + i2s_std_config_t std_rx_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(16000), + .slot_cfg = I2S_STD_MSB_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_32BIT, I2S_SLOT_MODE_STEREO), + .gpio_cfg = { + .mclk = I2S_GPIO_UNUSED, + .bclk = GPIO_NUM_6, + .ws = GPIO_NUM_7, + .dout = I2S_GPIO_UNUSED, + .din = GPIO_NUM_19, + .invert_flags = { + .mclk_inv = false, + .bclk_inv = false, + .ws_inv = false, + }, + }, + }; + i2s_channel_init_std_mode(rx_handle, &std_rx_cfg); + i2s_channel_enable(rx_handle); .. only:: SOC_I2S_HW_VERSION_2 Simplex Mode ^^^^^^^^^^^^ - To apply the simplex mode, :c:func:`i2s_new_channel` should be called for each channel. The clock and gpio pins of TX/RX channel on {IDF_TARGET_NAME} are separate, they can be configured in different modes and clocks, and they are able to coexist on a same I2S port in simplex mode. So PDM duplex can be realized by registering PDM TX simplex and PDM RX simplex on a same I2S port. But in this way, PDM TX/RX might work with different clocks, take care when configuring the gpio pins and clocks. + To allocate a channel in simplex mode, :cpp:func:`i2s_new_channel` should be called for each channel. The clock and gpio pins of TX/RX channel on {IDF_TARGET_NAME} are separate, they can be configured in different modes and clocks, and they are able to coexist on a same I2S port in simplex mode. So PDM duplex can be realized by registering PDM TX simplex and PDM RX simplex on a same I2S port. But in this way, PDM TX/RX might work with different clocks, take care when configuring the gpio pins and clocks. - The following codes offer an example for the simplex mode, but note that, although the internal MCLK signals for tx and rx channel are separate, the output MCLK can only be bound to one of them, if both channel initialized MCLK, it depends on which is initialized later. + The following example offers a use case for the simplex mode, but note that, although the internal MCLK signals for tx and rx channel are separate, the output MCLK can only be bound to one of them if they are from a same controller, if both channel initialized MCLK, it depends on which is initialized later. -1. Determine the interrupt interval. Generally, when data lost happened, the interval should be the bigger the better, it can help to reduce the interrupt times, i.e., ``dma_frame_num`` should be as big as possible while the DMA buffer size won't exceed its maximum value 4092. The relationships are:: + .. code-block:: c - #include "driver/i2s_controller.h" + #include "driver/i2s_std.h" #include "driver/gpio.h" i2s_chan_handle_t tx_handle; i2s_chan_handle_t rx_handle; - i2s_gpio_config_t tx_pin = { - .mclk = GPIO_NUM_0, - .bclk = GPIO_NUM_4, - .ws = GPIO_NUM_5, - .dout = GPIO_NUM_18, - .din = I2S_GPIO_UNUSED + i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER); + i2s_new_channel(&chan_cfg, &tx_handle, NULL); + i2s_std_config_t std_tx_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(48000), + .slot_cfg = I2S_STD_PHILIP_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_STEREO), + .gpio_cfg = { + .mclk = GPIO_NUM_0, + .bclk = GPIO_NUM_4, + .ws = GPIO_NUM_5, + .dout = GPIO_NUM_18, + .din = I2S_GPIO_UNUSED, + .invert_flags = { + .mclk_inv = false, + .bclk_inv = false, + .ws_inv = false, + }, + }, }; - i2s_chan_config_t tx_chan_cfg = I2S_CHANNEL_CONFIG(I2S_ROLE_MASTER, I2S_COMM_MODE_STD, tx_pin); - tx_chan_cfg.id = I2S_NUM_0; // Specify the port id - i2s_new_channel(&tx_chan_cfg, &tx_handle, NULL); - i2s_std_slot_config_t tx_slot_cfg = I2S_STD_PHILIP_SLOT_CONFIG(I2S_DATA_BIT_WIDTH_16BIT, I2S_SLOT_MODE_STEREO); - tx_slot_cfg.auto_clear = false; - i2s_std_clk_config_t tx_clk_cfg = I2S_STD_CLK_CONFIG(48000); - i2s_init_channel(tx_handle, &tx_clk_cfg, &tx_slot_cfg); - i2s_start_channel(tx_handle); + /* Initialize the channel */ + i2s_channel_init_std_mode(tx_handle, &std_tx_cfg); + i2s_channel_enable(tx_handle); - i2s_gpio_config_t rx_pin = { - .mclk = I2S_GPIO_UNUSED, - .bclk = GPIO_NUM_6, - .ws = GPIO_NUM_7, - .dout = I2S_GPIO_UNUSED, - .din = GPIO_NUM_19 + /* rx channel will be registered on another I2S, if no other available I2S unit found + * it will return ESP_ERR_NOT_FOUND */ + i2s_new_channel(&chan_cfg, NULL, &rx_handle); // Both rx and tx channel will be registered on I2S0, but they can work with different configurations. + i2s_std_config_t std_rx_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(16000), + .slot_cfg = I2S_STD_MSB_SLOT_DEFAULT_CONFIG(I2S_DATA_BIT_WIDTH_32BIT, I2S_SLOT_MODE_STEREO), + .gpio_cfg = { + .mclk = I2S_GPIO_UNUSED, + .bclk = GPIO_NUM_6, + .ws = GPIO_NUM_7, + .dout = I2S_GPIO_UNUSED, + .din = GPIO_NUM_19, + .invert_flags = { + .mclk_inv = false, + .bclk_inv = false, + .ws_inv = false, + }, + }, }; - i2s_chan_config_t rx_chan_cfg = I2S_CHANNEL_CONFIG(I2S_ROLE_MASTER, I2S_COMM_MODE_STD, rx_pin); - tx_chan_cfg.id = I2S_NUM_0; // Specify the port id - i2s_new_channel(&rx_chan_cfg, NULL, &rx_handle); - i2s_std_slot_config_t rx_slot_cfg = I2S_STD_MSB_SLOT_CONFIG(I2S_DATA_BIT_WIDTH_32BIT, I2S_SLOT_MODE_STEREO); - i2s_std_clk_config_t rx_clk_cfg = I2S_STD_CLK_CONFIG(16000); - i2s_init_channel(rx_handle, &rx_clk_cfg, &rx_slot_cfg); - i2s_start_channel(rx_handle); + i2s_channel_init_std_mode(rx_handle, &std_rx_cfg); + i2s_channel_enable(rx_handle); Application Notes @@ -618,18 +720,24 @@ Application Notes How to Prevent Data Lost ^^^^^^^^^^^^^^^^^^^^^^^^ -For the applications that need a high frequency sample rate, sometimes the massive throughput of receiving data may cause data lost. Users can receive data lost event by the event queue: +For the applications that need a high frequency sample rate, sometimes the massive throughput of receiving data may cause data lost. Users can receive data lost event by registering isr callback function to receive event queue: - dma_desc_num > polling_cycle / interrupt_interval + .. code-block:: c - QueueHandle_t evt_que = i2s_get_event_queue(rx_handle, 10); - ... - i2s_event_t evt; - xQueueReceive(evt_que, &evt, portMAX_DELAY); - if (evt.type == I2S_EVENT_RX_Q_OVF) { - printf("RX data dropped\n"); + static IRAM_ATTR bool i2s_rx_queue_overflow_callback(i2s_chan_handle_t handle, i2s_event_data_t *event, void *user_ctx) + { + // handle rx queue overflow event ... + return false; } + i2s_event_callbacks_t cbs = { + .on_recv = NULL, + .on_recv_q_ovf = i2s_rx_queue_overflow_callback, + .on_sent = NULL, + .on_send_q_ovf = NULL, + }; + TEST_ESP_OK(i2s_channel_register_event_callback(rx_handle, &cbs, NULL)); + Please follow these steps to prevent data lost: 1. Determine the interrupt interval. Generally, when data lost happened, the interval should be the bigger the better, it can help to reduce the interrupt times, i.e., ``dma_frame_num`` should be as big as possible while the DMA buffer size won't exceed its maximum value 4092. The relationships are:: @@ -637,22 +745,22 @@ Please follow these steps to prevent data lost: interrupt_interval(unit: sec) = dma_frame_num / sample_rate dma_buffer_size = dma_frame_num * slot_num * data_bit_width / 8 <= 4092 -2. Determine the ``dma_desc_num``. The ``dma_desc_num`` is decided by the max time of ``i2s_read_channel`` polling cycle, we need to guarantee all the data can be stored between two ``i2s_read_channel``. This cycle can be measured by a timer or an outputting gpio signal. The relationship is:: +2. Determine the ``dma_desc_num``. The ``dma_desc_num`` is decided by the max time of ``i2s_channel_read`` polling cycle, all the received data are supposed to be stored between two ``i2s_channel_read``. This cycle can be measured by a timer or an outputting gpio signal. The relationship is:: dma_desc_num > polling_cycle / interrupt_interval -3. Determine the receiving buffer size. The receiving buffer that offered by user in ``i2s_read_channel`` should be able to take all the data in all dma buffers, that means it should be bigger than the total size of all the dma buffers:: +3. Determine the receiving buffer size. The receiving buffer that offered by user in ``i2s_channel_read`` should be able to take all the data in all dma buffers, that means it should be bigger than the total size of all the dma buffers:: recv_buffer_size > dma_desc_num * dma_buffer_size -For example, if there is a I2S application, we have known these values:: +For example, if there is an I2S application, and the known values are:: sample_rate = 144000 Hz data_bit_width = 32 bits slot_num = 2 polling_cycle = 10ms -Then we need to calculate ``dma_frame_num``, ``dma_desc_num`` and ``recv_buf_size`` according to the given known values:: +Then the parameters ``dma_frame_num``, ``dma_desc_num`` and ``recv_buf_size`` can be calculated according to the given known values:: dma_frame_num * slot_num * data_bit_width / 8 = dma_buffer_size <= 4092 dma_frame_num <= 511 @@ -694,11 +802,12 @@ Standard Mode I2S Driver ^^^^^^^^^^ -.. include-build-file:: inc/i2s_controller.inc +.. include-build-file:: inc/i2s_common.inc .. _i2s-api-reference-i2s_types: I2S Types ^^^^^^^^^ -.. include-build-file:: inc/i2s_types.inc +.. include-build-file:: inc/components/driver/include/driver/i2s_types.inc +.. include-build-file:: inc/components/hal/include/hal/i2s_types.inc diff --git a/docs/en/migration-guides/peripherals.rst b/docs/en/migration-guides/peripherals.rst index 479894c145..1d0fa4298c 100644 --- a/docs/en/migration-guides/peripherals.rst +++ b/docs/en/migration-guides/peripherals.rst @@ -256,62 +256,66 @@ LCD - All of the dedicated GPIO related LL functionsn in ``cpu_ll.h`` have been moved to ``dedic_gpio_cpu_ll.h`` and renamed. -I2S driver ----------- +.. only:: SOC_I2S_SUPPORTED -Since the old driver is unable to support all the new features on ESP32-C3 & ESP32-S3, I2S driver is re-designed to make it more compatibile and flexibile to all the communication modes. New APIs are available by including :component_file:`driver/include/driver/i2s_controller.h`. Meanwhile, the old APIs in :component_file:`driver/deprecated/driver/i2s.h` are still supported for backward compatibility. But there will be warnings if you keep using the old APIs in your project, these warnings can be suppressed by the Kconfig option :ref:`CONFIG_I2S_SUPPRESS_DEPRECATE_WARN`. Here is the general overview of the current I2S files: + I2S driver + ---------- -.. figure:: ../../_static/diagrams/i2s/i2s_file_structure.png - :align: center - :alt: I2S File Structure + {I2S_DRIVER_HEADERS:default=":component_file:`driver/include/driver/i2s_std.h`, :component_file:`driver/include/driver/i2s_pdm.h` or :component_file:`driver/include/driver/i2s_tdm.h`", esp32=":component_file:`driver/include/driver/i2s_std.h` or :component_file:`driver/include/driver/i2s_pdm.h`", esp32s2=":component_file:`driver/include/driver/i2s_std.h`"} -Breaking changes in Concepts -~~~~~~~~~~~~~~~~~~~~~~~~~~~~ + Shortcomings are exposed when supporting all the new features of ESP32-C3 & ESP32-S3 by the old I2S driver, so it is re-designed to make it more compatible and flexible to all the communication modes. New APIs are available by including corresponding mode header files {I2S_DRIVER_HEADERS}. Meanwhile, the old APIs in :component_file:`driver/deprecated/driver/i2s.h` are still supported for backward compatibility. But there will be warnings if you keep using the old APIs in your project, these warnings can be suppressed by the Kconfig option :ref:`CONFIG_I2S_SUPPRESS_DEPRECATE_WARN`. Here is the general overview of the current I2S files: -- The minimum control unit in new I2S driver will be tx/rx channel instead of a whole I2S controller. + .. figure:: ../../_static/diagrams/i2s/i2s_file_structure.png + :align: center + :alt: I2S File Structure - 1. The tx/rx channel in a same I2S controller can be controlled separately, that means they will be initialized, started or stopped separately. Especially for ESP32-C3 and ESP32-S3, tx and rx channels in one controller can be configured to different clocks or modes now, they are able to work in a totally separate way which can help to save the resources of I2S controller. But for ESP32 and ESP32-S2, though their tx/rx can be controlled separately, some hardware resources are still shared by tx and rx, they might affect each other if they are configured to different configurations; - 2. The channels can be registered to an available I2S controller automatically by choosing :cpp:member:`i2s_port_t::I2S_NUM_AUTO` as I2S port id. The driver will help you to search for the available tx/rx channel. Of cause, you can still choose a specific port for it; - 3. :c:type:`i2s_chan_handle_t` is the handle that used for identifying the I2S channels. All the APIs will require the channel handle, users need to maintain the channel handles by themselves; - 4. In order to distinguish tx/rx channel and sound channel, now the word 'channel' is only stand for the tx/rx channel in new driver, meanwhile the sound channel will be called 'slot'. + Breaking changes in Concepts + ~~~~~~~~~~~~~~~~~~~~~~~~~~~~ -- I2S communication modes are extracted into three modes. + - The minimum control unit in new I2S driver will be tx/rx channel instead of a whole I2S controller. - 1. **Standard mode**: Standard mode always has two slots, it can support Philip, MSB and PCM(short sync) format, please refer to :component_file:`hal/include/hal/i2s_std.h` for details; - 2. **PDM mode**: PDM mode only support two slots with 16 bits data width, but the configurations of PDM TX and PDM RX are little bit different. For PDM TX, the sample rate can be set by :cpp:member:`i2s_pdm_tx_clk_config_t::sample_rate`, and its clock frequency is depended on the up-sampling configuration. For PDM RX, the sample rate can be set by :cpp:member:`i2s_pdm_rx_clk_config_t::sample_rate`, and its clock frequency is depended on the down-sampling configuration. Please refer to :component_file:`hal/include/hal/i2s_pdm.h` for details; - 3. **TDM mode**: TDM mode can support upto 16 slots. It can work in Philip, MSB, PCM(short sync) and PCM(long sync) format, please refer to :component_file:`hal/include/hal/i2s_tdm.h` for details; - 4. When we allocate a new channel in a specific mode, we must initialize this channel by corresponding slot configurations and clock configurations. We strongly recommend to use the helper macros to generate the default configurations, in case the default values will be changed one day. - 5. Although there are three modes, they still share some general slot and clock configurations which are defined in :component_file:`hal/include/hal/i2s_hal.h` + 1. The tx/rx channel in a same I2S controller can be controlled separately, that means they will be initialized, started or stopped separately. Especially for ESP32-C3 and ESP32-S3, tx and rx channels in one controller can be configured to different clocks or modes now, they are able to work in a totally separate way which can help to save the resources of I2S controller. But for ESP32 and ESP32-S2, though their tx/rx can be controlled separately, some hardware resources are still shared by tx and rx, they might affect each other if they are configured to different configurations; + 2. The channels can be registered to an available I2S controller automatically by setting :cpp:enumerator:`i2s_port_t::I2S_NUM_AUTO` as I2S port id. The driver will help you to search for the available tx/rx channel. Of cause, driver can still support to be installed by a specific port; + 3. :c:type:`i2s_chan_handle_t` is the handle that used for identifying the I2S channels. All the APIs will require the channel handle, users need to maintain the channel handles by themselves; + 4. In order to distinguish tx/rx channel and sound channel, now the word 'channel' is only stand for the tx/rx channel in new driver, meanwhile the sound channel will be called 'slot'. -- States and state-machine are adopted in the new I2S driver to avoid APIs are called in wrong state. + - I2S communication modes are extracted into three modes. -- The slot configurations and clock configurations can be configured separately. + 1. **Standard mode**: Standard mode always has two slots, it can support Philip, MSB and PCM(short sync) format, please refer to :component_file:`driver/include/driver/i2s_std.h` for details; + 2. **PDM mode**: PDM mode only support two slots with 16 bits data width, but the configurations of PDM TX and PDM RX are little bit different. For PDM TX, the sample rate can be set by :cpp:member:`i2s_pdm_tx_clk_config_t::sample_rate`, and its clock frequency is depended on the up-sampling configuration. For PDM RX, the sample rate can be set by :cpp:member:`i2s_pdm_rx_clk_config_t::sample_rate`, and its clock frequency is depended on the down-sampling configuration. Please refer to :component_file:`driver/include/driver/i2s_pdm.h` for details; + 3. **TDM mode**: TDM mode can support upto 16 slots. It can work in Philip, MSB, PCM(short sync) and PCM(long sync) format, please refer to :component_file:`driver/include/driver/i2s_tdm.h` for details; + 4. When allocating a new channel in a specific mode, must initialize this channel by corresponding function. It is strongly recommended to use the helper macros to generate the default configurations, in case the default values will be changed one day. - 1. Calling :func:`i2s_init_channel` to initialize the slot/clock/gpio_pin configurations; - 2. Calling :c:func:`i2s_set_slot` can change the slot configurations after initialization; - 3. Calling :c:func:`i2s_set_clock` can change the clock configurations after initialization. + - States and state-machine are adopted in the new I2S driver to avoid APIs called in wrong state. -- ADC and DAC modes are removed. They will only be supported in their own driver and legacy I2S driver. + - The slot configurations and clock configurations can be configured separately. -- :c:func:`i2s_write_channel` and :c:func:`i2s_read_channel` can be aborted by :c:func:`i2s_abort_reading_writing` now. + 1. Calling :cpp:func:`i2s_channel_init_std_mode`, :cpp:func:`i2s_channel_init_pdm_rx_mode`, :cpp:func:`i2s_channel_init_pdm_tx_mode` or :cpp:func:`i2s_channel_init_tdm_mode` to initialize the slot/clock/gpio_pin configurations; + 2. Calling :cpp:func:`i2s_channel_reconfig_std_slot`, :cpp:func:`i2s_channel_reconfig_pdm_rx_slot`, :cpp:func:`i2s_channel_reconfig_pdm_tx_slot` or :cpp:func:`i2s_channel_reconfig_tdm_slot` can change the slot configurations after initialization; + 3. Calling :cpp:func:`i2s_channel_reconfig_std_clock`, :cpp:func:`i2s_channel_reconfig_pdm_rx_clock`, :cpp:func:`i2s_channel_reconfig_pdm_tx_clock` or :cpp:func:`i2s_channel_reconfig_tdm_clock` can change the clock configurations after initialization; + 4. Calling :cpp:func:`i2s_channel_reconfig_std_gpio`, :cpp:func:`i2s_channel_reconfig_pdm_rx_gpio`, :cpp:func:`i2s_channel_reconfig_pdm_tx_gpio` or :cpp:func:`i2s_channel_reconfig_tdm_gpio` can change the gpio configurations after initialization. -Breaking Changes in Usage -~~~~~~~~~~~~~~~~~~~~~~~~~ + - ADC and DAC modes are removed. They will only be supported in their own driver and legacy I2S driver. -To use the new I2S driver, please follow these steps: + - :cpp:func:`i2s_channel_write` and :cpp:func:`i2s_channel_read` can be aborted by :cpp:func:`i2s_channel_abort_reading_writing` now. -1. Calling :c:func:`i2s_new_channel` to aquire the channel handles. We should specify the GPIO pins, work mode, work role and I2S port in this step. Besides, we need to input the tx or rx handle to acuire the channel handles that generated by the driver. We don't have to input both two tx and rx handles but at least one handle is needed. While we input both two handles, the driver will work in duplex mode, both tx and rx channel will be avaliable on a same port, and they will share the MCLK, BCLK and WS signal, there will be MCLK(optional), BCLK, WS, DATA_IN and DATA_OUT signals in this case. But if we only input tx or rx handle, this channel will only work in simplex mode. + Breaking Changes in Usage + ~~~~~~~~~~~~~~~~~~~~~~~~~ -2. Calling :c:func:`i2s_init_channel` to initialize the channel that specified by the given channel handle. We are supposed to input corresponding slot and clock configurations according to the mode that we set in the first step. + To use the new I2S driver, please follow these steps: -3. (Optional) We can acquire the event queue handle by :c:func:`i2s_get_event_queue` if we want to monitor the I2S event. + 1. Calling :cpp:func:`i2s_new_channel` to aquire the channel handles. We should specify the work role and I2S port in this step. Besides, the tx or rx channel handles will be generated by the driver. Inputting both two tx and rx handles is not necessary but at least one handle is needed. In the case of inputting both two handles, the driver will work at duplex mode, both tx and rx channel will be avaliable on a same port, and they will share the MCLK, BCLK and WS signal. But if only one of the tx or rx handle is inputted, this channel will only work in simplex mode. -4. Calling :c:func:`i2s_start_channel` to start the I2S channel. In the new driver, I2S won't start automatically after installed anymore, we are supposed to know clearly whether the channel has started or not. + 2. Calling :func:`i2s_channel_init_std_mode`, :func:`i2s_channel_init_pdm_rx_mode`, :func:`i2s_channel_init_pdm_tx_mode` or :func:`i2s_channel_init_tdm_mode` to initialize the channel to the specified mode. Corresponding slot, clock and gpio configurations are needed in this step. -5. Reading or writing data by :c:func:`i2s_read_channel` or :c:func:`i2s_write_channel`. Of cause we can only use rx channel handle in :c:func:`i2s_read_channel` and tx channel handle in :c:func:`i2s_write_channel`. + 3. (Optional) Calling :cpp:func:`i2s_channel_register_event_callback` to register the ISR event callback functions. I2S events now can be received by the callback function synchronously, instead of from event queue asynchronously. -6. (Optional) We can clear the legacy data in DMA buffer by :c:func:`i2s_clear_dma_buffer`. If we need the driver clear the tx dma buffer automatically, we can set :c:member`auto_clear` in slot configurations. + 4. Calling :cpp:func:`i2s_channel_enable` to start the hardware of I2S channel. In the new driver, I2S won't start automatically after installed anymore, users are supposed to know clearly whether the channel has started or not. -7. (Optional) We can change the slot and clock configurations after initialized by :c:func:`i2s_set_slot`, :c:func:`i2s_set_clock`, but we have to call :c:func:`i2s_stop_channel` before we update the configurations. + 5. Reading or writing data by :cpp:func:`i2s_channel_read` or :cpp:func:`i2s_channel_write`. Certainly, only rx channel handle is suppoesd to be inputted in :cpp:func:`i2s_channel_read` and tx channel handle in :cpp:func:`i2s_channel_write`. -8. (Optional) We can delete the i2s channel by calling :c:func:`i2s_del_channel` if we don't need it any more. The related resources will be released if delete function is called. + 6. (Optional) The slot, clock and gpio configurations can be changed by corresponding 'reconfig' functions, but :cpp:func:`i2s_channel_disable` must be called before updating the configurations. + + 7. Calling :cpp:func:`i2s_channel_disable` to stop the hardware of I2S channel. + + 8. Calling :cpp:func:`i2s_del_channel` to delete and release the resources of the channel if it is not needed any more, but the channel must be disabled before deleting it. diff --git a/examples/bluetooth/bluedroid/classic_bt/a2dp_sink/main/bt_app_av.c b/examples/bluetooth/bluedroid/classic_bt/a2dp_sink/main/bt_app_av.c index 98e5beff75..3238cc3f27 100644 --- a/examples/bluetooth/bluedroid/classic_bt/a2dp_sink/main/bt_app_av.c +++ b/examples/bluetooth/bluedroid/classic_bt/a2dp_sink/main/bt_app_av.c @@ -183,9 +183,9 @@ void bt_i2s_driver_install(void) }; /* enable I2S */ - i2s_driver_install(0, &i2s_config, 0, NULL); - i2s_set_dac_mode(I2S_DAC_CHANNEL_BOTH_EN); - i2s_set_pin(0, NULL); + ESP_ERROR_CHECK(i2s_driver_install(0, &i2s_config, 0, NULL)); + ESP_ERROR_CHECK(i2s_set_dac_mode(I2S_DAC_CHANNEL_BOTH_EN)); + ESP_ERROR_CHECK(i2s_set_pin(0, NULL)); #else i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER); chan_cfg.auto_clear = true; @@ -198,12 +198,17 @@ void bt_i2s_driver_install(void) .ws = CONFIG_EXAMPLE_I2S_LRCK_PIN, .dout = CONFIG_EXAMPLE_I2S_DATA_PIN, .din = I2S_GPIO_UNUSED, + .invert_flags = { + .mclk_inv = false, + .bclk_inv = false, + .ws_inv = false, + }, }, }; /* enable I2S */ - i2s_new_channel(&chan_cfg, &tx_chan, NULL); - i2s_init_std_channel(tx_chan, &std_cfg); - i2s_start_channel(tx_chan); + ESP_ERROR_CHECK(i2s_new_channel(&chan_cfg, &tx_chan, NULL)); + ESP_ERROR_CHECK(i2s_channel_init_std_mode(tx_chan, &std_cfg)); + ESP_ERROR_CHECK(i2s_channel_enable(tx_chan)); #endif } @@ -212,7 +217,8 @@ void bt_i2s_driver_uninstall(void) #ifdef CONFIG_EXAMPLE_A2DP_SINK_OUTPUT_INTERNAL_DAC i2s_driver_uninstall(0); #else - i2s_del_channel(tx_chan); + ESP_ERROR_CHECK(i2s_channel_disable(tx_chan)); + ESP_ERROR_CHECK(i2s_del_channel(tx_chan)); #endif } @@ -308,7 +314,7 @@ static void bt_av_hdl_a2d_evt(uint16_t event, void *p_param) i2s_set_clk(0, sample_rate, 16, 2); #else i2s_std_clk_config_t clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(sample_rate); - i2s_reconfig_std_clock(tx_chan, &clk_cfg); + i2s_channel_reconfig_std_clock(tx_chan, &clk_cfg); #endif ESP_LOGI(BT_AV_TAG, "Configure audio player: %x-%x-%x-%x", a2d->audio_cfg.mcc.cie.sbc[0], diff --git a/examples/bluetooth/bluedroid/classic_bt/a2dp_sink/main/bt_app_core.c b/examples/bluetooth/bluedroid/classic_bt/a2dp_sink/main/bt_app_core.c index d99e22e68b..a1cfb3b867 100644 --- a/examples/bluetooth/bluedroid/classic_bt/a2dp_sink/main/bt_app_core.c +++ b/examples/bluetooth/bluedroid/classic_bt/a2dp_sink/main/bt_app_core.c @@ -110,7 +110,7 @@ static void bt_i2s_task_handler(void *arg) #ifdef CONFIG_EXAMPLE_A2DP_SINK_OUTPUT_INTERNAL_DAC i2s_write(0, data, item_size, &bytes_written, portMAX_DELAY); #else - i2s_write_channel(tx_chan, data, item_size, &bytes_written, portMAX_DELAY); + i2s_channel_write(tx_chan, data, item_size, &bytes_written, portMAX_DELAY); #endif vRingbufferReturnItem(s_ringbuf_i2s, (void *)data); } diff --git a/examples/bluetooth/bluedroid/classic_bt/a2dp_sink/tutorial/Example_A2DP_Sink.md b/examples/bluetooth/bluedroid/classic_bt/a2dp_sink/tutorial/Example_A2DP_Sink.md index d672a7decf..9604f00a59 100644 --- a/examples/bluetooth/bluedroid/classic_bt/a2dp_sink/tutorial/Example_A2DP_Sink.md +++ b/examples/bluetooth/bluedroid/classic_bt/a2dp_sink/tutorial/Example_A2DP_Sink.md @@ -102,11 +102,10 @@ The main function installs I2S to play the audio. A loudspeaker, additional ADC }; /* enable I2S */ - i2s_driver_install(0, &i2s_config, 0, NULL); - i2s_set_dac_mode(I2S_DAC_CHANNEL_BOTH_EN); - i2s_set_pin(0, NULL); + ESP_ERROR_CHECK(i2s_driver_install(0, &i2s_config, 0, NULL)); + ESP_ERROR_CHECK(i2s_set_dac_mode(I2S_DAC_CHANNEL_BOTH_EN)); + ESP_ERROR_CHECK(i2s_set_pin(0, NULL)); #else - i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER); chan_cfg.auto_clear = true; i2s_std_config_t std_cfg = { @@ -118,12 +117,17 @@ The main function installs I2S to play the audio. A loudspeaker, additional ADC .ws = CONFIG_EXAMPLE_I2S_LRCK_PIN, .dout = CONFIG_EXAMPLE_I2S_DATA_PIN, .din = I2S_GPIO_UNUSED, + .invert_flags = { + .mclk_inv = false, + .bclk_inv = false, + .ws_inv = false, + }, }, }; /* enable I2S */ - i2s_new_channel(&chan_cfg, &tx_chan, NULL); - i2s_init_std_channel(tx_chan, &std_cfg); - i2s_start_channel(tx_chan); + ESP_ERROR_CHECK(i2s_new_channel(&chan_cfg, &tx_chan, NULL)); + ESP_ERROR_CHECK(i2s_channel_init_std_mode(tx_chan, &std_cfg)); + ESP_ERROR_CHECK(i2s_channel_enable(tx_chan)); #endif ``` diff --git a/examples/bluetooth/bluedroid/coex/a2dp_gatts_coex/main/bt_app_av.c b/examples/bluetooth/bluedroid/coex/a2dp_gatts_coex/main/bt_app_av.c index 86e453115d..f8ee8f811b 100644 --- a/examples/bluetooth/bluedroid/coex/a2dp_gatts_coex/main/bt_app_av.c +++ b/examples/bluetooth/bluedroid/coex/a2dp_gatts_coex/main/bt_app_av.c @@ -174,7 +174,7 @@ static void bt_av_hdl_a2d_evt(uint16_t event, void *p_param) i2s_set_clk(0, sample_rate, 16, 2); #else i2s_std_clk_config_t clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(sample_rate); - i2s_reconfig_clock(tx_chan, &clk_cfg); + i2s_channel_reconfig_std_clock(tx_chan, &clk_cfg); #endif ESP_LOGI(BT_AV_TAG, "Configure audio player %x-%x-%x-%x", diff --git a/examples/bluetooth/bluedroid/coex/a2dp_gatts_coex/main/bt_app_core.c b/examples/bluetooth/bluedroid/coex/a2dp_gatts_coex/main/bt_app_core.c index 88008a5a6e..f69d10b216 100644 --- a/examples/bluetooth/bluedroid/coex/a2dp_gatts_coex/main/bt_app_core.c +++ b/examples/bluetooth/bluedroid/coex/a2dp_gatts_coex/main/bt_app_core.c @@ -134,7 +134,7 @@ static void bt_i2s_task_handler(void *arg) #ifdef CONFIG_EXAMPLE_A2DP_SINK_OUTPUT_INTERNAL_DAC i2s_write(0, data, item_size, &bytes_written, portMAX_DELAY); #else - i2s_write_channel(tx_chan, data, item_size, &bytes_written, portMAX_DELAY); + i2s_channel_write(tx_chan, data, item_size, &bytes_written, portMAX_DELAY); #endif vRingbufferReturnItem(s_ringbuf_i2s,(void *)data); } diff --git a/examples/bluetooth/bluedroid/coex/a2dp_gatts_coex/main/main.c b/examples/bluetooth/bluedroid/coex/a2dp_gatts_coex/main/main.c index b1cc5a52cc..81bf399f78 100644 --- a/examples/bluetooth/bluedroid/coex/a2dp_gatts_coex/main/main.c +++ b/examples/bluetooth/bluedroid/coex/a2dp_gatts_coex/main/main.c @@ -705,9 +705,9 @@ void app_main(void) }; /* enable I2S */ - i2s_driver_install(0, &i2s_config, 0, NULL); - i2s_set_dac_mode(I2S_DAC_CHANNEL_BOTH_EN); - i2s_set_pin(0, NULL); + ESP_ERROR_CHECK(i2s_driver_install(0, &i2s_config, 0, NULL)); + ESP_ERROR_CHECK(i2s_set_dac_mode(I2S_DAC_CHANNEL_BOTH_EN)); + ESP_ERROR_CHECK(i2s_set_pin(0, NULL)); #else i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_0, I2S_ROLE_MASTER); chan_cfg.auto_clear = true; @@ -720,12 +720,17 @@ void app_main(void) .ws = CONFIG_EXAMPLE_I2S_LRCK_PIN, .dout = CONFIG_EXAMPLE_I2S_DATA_PIN, .din = I2S_GPIO_UNUSED, + .invert_flags = { + .mclk_inv = false, + .bclk_inv = false, + .ws_inv = false, + }, }, }; /* enable I2S */ - i2s_new_channel(&chan_cfg, &tx_chan, NULL); - i2s_init_std_channel(tx_chan, &std_cfg); - i2s_start_channel(tx_chan); + ESP_ERROR_CHECK(i2s_new_channel(&chan_cfg, &tx_chan, NULL)); + ESP_ERROR_CHECK(i2s_channel_init_std_mode(tx_chan, &std_cfg)); + ESP_ERROR_CHECK(i2s_channel_enable(tx_chan)); #endif esp_bt_controller_config_t bt_cfg = BT_CONTROLLER_INIT_CONFIG_DEFAULT(); diff --git a/examples/peripherals/i2s/i2s_adc_dac/main/app_main.c b/examples/peripherals/i2s/i2s_adc_dac/main/app_main.c index de467a6e0c..b198aeea24 100644 --- a/examples/peripherals/i2s/i2s_adc_dac/main/app_main.c +++ b/examples/peripherals/i2s/i2s_adc_dac/main/app_main.c @@ -4,7 +4,7 @@ * SPDX-License-Identifier: Unlicense OR CC0-1.0 */ -/* ADC/DAC are supported in the new I2S driver, but still available in the legacy I2S driver for backward compatibility +/* ADC/DAC are not supported in the new I2S driver, but still available in the legacy I2S driver for backward compatibility * Please turn to the dedicated ADC/DAC driver instead */ #pragma message("ADC/DAC on ESP32 will no longer supported via I2S driver") @@ -286,9 +286,9 @@ void adc_read_task(void* arg) esp_adc_cal_characterize(ADC_UNIT_1, ADC_ATTEN_DB_11, ADC_WIDTH_BIT_12, V_REF, &characteristics); while(1) { uint32_t voltage; + vTaskDelay(200 / portTICK_PERIOD_MS); esp_adc_cal_get_voltage(ADC1_TEST_CHANNEL, &characteristics, &voltage); ESP_LOGI(TAG, "%d mV", voltage); - vTaskDelay(200 / portTICK_PERIOD_MS); } } diff --git a/examples/peripherals/i2s/i2s_adc_dac/pytest_i2s_adc_dac.py b/examples/peripherals/i2s/i2s_adc_dac/pytest_i2s_adc_dac.py new file mode 100644 index 0000000000..2a9af29b7b --- /dev/null +++ b/examples/peripherals/i2s/i2s_adc_dac/pytest_i2s_adc_dac.py @@ -0,0 +1,15 @@ +# SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD +# SPDX-License-Identifier: CC0-1.0 + +import pytest +from pytest_embedded import Dut + + +@pytest.mark.esp32 +@pytest.mark.generic +def test_i2s_adc_dac_example(dut: Dut) -> None: + dut.expect('partiton addr: 0x([0-9a-fA-F]+); size: ([0-9]+); label: storage', timeout=30) + dut.expect_exact('Erasing flash', timeout=30) + dut.expect('partiton addr: 0x([0-9a-fA-F]+); size: ([0-9]+); label: storage', timeout=30) + dut.expect('Erase size: ([0-9]+) Bytes', timeout=30) + dut.expect('I \\(([0-9]+)\\) ad/da: ([0-9]+) mV', timeout=30) diff --git a/examples/peripherals/i2s/i2s_adc_dac/sdkconfig.defaults b/examples/peripherals/i2s/i2s_adc_dac/sdkconfig.defaults index 71e36947d0..9b35e20017 100644 --- a/examples/peripherals/i2s/i2s_adc_dac/sdkconfig.defaults +++ b/examples/peripherals/i2s/i2s_adc_dac/sdkconfig.defaults @@ -2,4 +2,5 @@ CONFIG_PARTITION_TABLE_CUSTOM=y CONFIG_PARTITION_TABLE_CUSTOM_FILENAME="partitions_adc_dac_example.csv" CONFIG_PARTITION_TABLE_FILENAME="partitions_adc_dac_example.csv" CONFIG_ESPTOOLPY_FLASHSIZE_4MB=y +# ADC/DAC are only supported in the legacy driver, suppress the warnings while using the legacy driver CONFIG_I2S_SUPPRESS_DEPRECATE_WARN=y diff --git a/examples/peripherals/i2s/i2s_audio_recorder_sdcard/main/Kconfig.projbuild b/examples/peripherals/i2s/i2s_audio_recorder_sdcard/main/Kconfig.projbuild index 74d0e40ec1..da76acc070 100644 --- a/examples/peripherals/i2s/i2s_audio_recorder_sdcard/main/Kconfig.projbuild +++ b/examples/peripherals/i2s/i2s_audio_recorder_sdcard/main/Kconfig.projbuild @@ -30,12 +30,6 @@ menu "Example Configuration" menu "I2S MEMS MIC Configuration" - config EXAMPLE_I2S_CH - int "I2S Channel Number" - default 0 - help - Set the I2S channel number. - config EXAMPLE_SAMPLE_RATE int "Audio Sample Rate" default 44100 diff --git a/examples/peripherals/i2s/i2s_audio_recorder_sdcard/main/i2s_recorder_main.c b/examples/peripherals/i2s/i2s_audio_recorder_sdcard/main/i2s_recorder_main.c index de7f702dc2..f0c7c46d4f 100644 --- a/examples/peripherals/i2s/i2s_audio_recorder_sdcard/main/i2s_recorder_main.c +++ b/examples/peripherals/i2s/i2s_audio_recorder_sdcard/main/i2s_recorder_main.c @@ -22,7 +22,7 @@ #include "sdmmc_cmd.h" #include "sdkconfig.h" -static const char* TAG = "pdm_rec_example"; +static const char *TAG = "pdm_rec_example"; #define SPI_DMA_CHAN SPI_DMA_CH_AUTO #define NUM_CHANNELS (1) // For mono recording only! @@ -34,7 +34,7 @@ static const char* TAG = "pdm_rec_example"; // initialized in SPI mode, it can not be reinitialized in SD mode without // toggling power to the card. sdmmc_host_t host = SDSPI_HOST_DEFAULT(); -sdmmc_card_t* card; +sdmmc_card_t *card; i2s_chan_handle_t rx_handle = NULL; static int16_t i2s_readraw_buff[SAMPLE_SIZE]; @@ -81,7 +81,7 @@ void mount_sdcard(void) ESP_LOGE(TAG, "Failed to mount filesystem."); } else { ESP_LOGE(TAG, "Failed to initialize the card (%s). " - "Make sure SD card lines have pull-up resistors in place.", esp_err_to_name(ret)); + "Make sure SD card lines have pull-up resistors in place.", esp_err_to_name(ret)); } return; } @@ -90,17 +90,17 @@ void mount_sdcard(void) sdmmc_card_print_info(stdout, card); } -void generate_wav_header(char* wav_header, uint32_t wav_size, uint32_t sample_rate){ - +void generate_wav_header(char *wav_header, uint32_t wav_size, uint32_t sample_rate) +{ // See this for reference: http://soundfile.sapp.org/doc/WaveFormat/ uint32_t file_size = wav_size + WAVE_HEADER_SIZE - 8; uint32_t byte_rate = BYTE_RATE; const char set_wav_header[] = { - 'R','I','F','F', // ChunkID + 'R', 'I', 'F', 'F', // ChunkID file_size, file_size >> 8, file_size >> 16, file_size >> 24, // ChunkSize - 'W','A','V','E', // Format - 'f','m','t',' ', // Subchunk1ID + 'W', 'A', 'V', 'E', // Format + 'f', 'm', 't', ' ', // Subchunk1ID 0x10, 0x00, 0x00, 0x00, // Subchunk1Size (16 for PCM) 0x01, 0x00, // AudioFormat (1 for PCM) 0x01, 0x00, // NumChannels (1 channel) @@ -108,7 +108,7 @@ void generate_wav_header(char* wav_header, uint32_t wav_size, uint32_t sample_ra byte_rate, byte_rate >> 8, byte_rate >> 16, byte_rate >> 24, // ByteRate 0x02, 0x00, // BlockAlign 0x10, 0x00, // BitsPerSample (16 bits) - 'd','a','t','a', // Subchunk2ID + 'd', 'a', 't', 'a', // Subchunk2ID wav_size, wav_size >> 8, wav_size >> 16, wav_size >> 24, // Subchunk2Size }; @@ -122,12 +122,6 @@ void record_wav(uint32_t rec_time) ESP_LOGI(TAG, "Opening file"); char wav_header_fmt[WAVE_HEADER_SIZE]; - - if (rx_handle == NULL) { - ESP_LOGE(TAG, "I2S channel has not been registered yet"); - return; - } - uint32_t flash_rec_time = BYTE_RATE * rec_time; generate_wav_header(wav_header_fmt, flash_rec_time, CONFIG_EXAMPLE_SAMPLE_RATE); @@ -139,7 +133,7 @@ void record_wav(uint32_t rec_time) } // Create new WAV file - FILE* f = fopen(SD_MOUNT_POINT"/record.wav", "a"); + FILE *f = fopen(SD_MOUNT_POINT"/record.wav", "a"); if (f == NULL) { ESP_LOGE(TAG, "Failed to open file for writing"); return; @@ -151,7 +145,7 @@ void record_wav(uint32_t rec_time) // Start recording while (flash_wr_size < flash_rec_time) { // Read the RAW samples from the microphone - i2s_read_channel(rx_handle, (char *)i2s_readraw_buff, SAMPLE_SIZE, &bytes_read, 100); + i2s_channel_read(rx_handle, (char *)i2s_readraw_buff, SAMPLE_SIZE, &bytes_read, 1000); // Write the samples to the WAV file fwrite(i2s_readraw_buff, 1, bytes_read, f); flash_wr_size += bytes_read; @@ -170,8 +164,8 @@ void record_wav(uint32_t rec_time) void init_microphone(void) { - i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(CONFIG_EXAMPLE_I2S_CH, I2S_ROLE_MASTER); - i2s_new_channel(&chan_cfg, NULL, &rx_handle); + i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_AUTO, I2S_ROLE_MASTER); + ESP_ERROR_CHECK(i2s_new_channel(&chan_cfg, NULL, &rx_handle)); i2s_pdm_rx_config_t pdm_rx_cfg = { .clk_cfg = I2S_PDM_RX_CLK_DEFAULT_CONFIG(CONFIG_EXAMPLE_SAMPLE_RATE), @@ -179,15 +173,18 @@ void init_microphone(void) .gpio_cfg = { .clk = CONFIG_EXAMPLE_I2S_CLK_GPIO, .din = CONFIG_EXAMPLE_I2S_DATA_GPIO, + .invert_flags = { + .clk_inv = false, + }, }, }; - i2s_init_pdm_rx_channel(rx_handle, &pdm_rx_cfg); - i2s_start_channel(rx_handle); + ESP_ERROR_CHECK(i2s_channel_init_pdm_rx_mode(rx_handle, &pdm_rx_cfg)); + ESP_ERROR_CHECK(i2s_channel_enable(rx_handle)); } void app_main(void) { - ESP_LOGI(TAG, "PDM microphone recording Example start"); + printf("PDM microphone recording example start\n--------------------------------------\n"); // Mount the SDCard for recording the audio file mount_sdcard(); // Acquire a I2S PDM channel for the PDM digital microphone @@ -196,5 +193,6 @@ void app_main(void) // Start Recording record_wav(CONFIG_EXAMPLE_REC_TIME); // Stop I2S driver and destroy - ESP_ERROR_CHECK( i2s_del_channel(rx_handle) ); + ESP_ERROR_CHECK(i2s_channel_disable(rx_handle)); + ESP_ERROR_CHECK(i2s_del_channel(rx_handle)); } diff --git a/examples/peripherals/i2s/i2s_audio_recorder_sdcard/pytest_i2s_record.py b/examples/peripherals/i2s/i2s_audio_recorder_sdcard/pytest_i2s_record.py new file mode 100644 index 0000000000..7d3e48e51f --- /dev/null +++ b/examples/peripherals/i2s/i2s_audio_recorder_sdcard/pytest_i2s_record.py @@ -0,0 +1,13 @@ +# SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD +# SPDX-License-Identifier: CC0-1.0 +import pytest +from pytest_embedded import Dut + + +@pytest.mark.esp32 +@pytest.mark.esp32s3 +@pytest.mark.generic +def test_i2s_es8311_example_generic(dut: Dut) -> None: + dut.expect('PDM microphone recording example start', timeout=30) + dut.expect('--------------------------------------', timeout=30) + dut.expect('I \\(([0-9]+)\\) pdm_rec_example: Initializing SD card', timeout=30) diff --git a/examples/peripherals/i2s/i2s_basic/README.md b/examples/peripherals/i2s/i2s_basic/README.md index c9aaa20eff..04955ab9e4 100644 --- a/examples/peripherals/i2s/i2s_basic/README.md +++ b/examples/peripherals/i2s/i2s_basic/README.md @@ -1,5 +1,5 @@ -| Supported Targets | ESP32 | -| ----------------- | ----- | +| Supported Targets | ESP32 | ESP32-S2 | ESP32-C3 | ESP32-S3 | +| ----------------- | ----- | -------- | -------- | -------- | # I2S Example @@ -11,7 +11,7 @@ In this example, we generate a 100Hz triangle and sine wave and send it out from ### Hardware Required -* A development board with ESP32 SoC (e.g., ESP32-DevKitC, ESP-WROVER-KIT, etc.) +* A development board with ESP32/ESP32-S2/ESP32-C3/ESP32-S3 SoC (e.g., ESP32-DevKitC, ESP-WROVER-KIT, etc.) * A USB cable for power supply and programming ### Configure the Project @@ -34,20 +34,50 @@ See the Getting Started Guide for full steps to configure and use ESP-IDF to bui ## Example Output -Running this example, you will see the Bits per Sample changes every 5 seconds after you have run this example. You can use `i2s_set_clk` to change the Bits per Sample and the Sample Rate. The output log can be seen below: +Running this example, you will see I2S start to read and write data, and only the first 4 elements in the receive buffer will be displayed. The output log can be seen below: ``` -Test bits=24 free mem=293780, written data=2880 -I2S: DMA Malloc info, datalen=blocksize=480, dma_desc_num=6 -I2S: PLL_D2: Req RATE: 36000, real rate: 37878.000, BITS: 24, CLKM: 11, BCK: 8, MCLK: 13837837.838, SCLK: 1818144.000000, diva: 64, divb: 36 +[i2s write] 1440 bytes are written successfully -Test bits=32 free mem=292336, written data=2880 -I2S: DMA Malloc info, datalen=blocksize=480, dma_desc_num=6 -I2S: PLL_D2: Req RATE: 36000, real rate: 36764.000, BITS: 32, CLKM: 17, BCK: 4, MCLK: 9216921.692, SCLK: 2352896.000000, diva: 64, divb: 23 +[i2s read] 8192 bytes are read successfully +---------------------------------------------- +[0] 0 [1] 0 [2] 0 [3] 0 -Test bits=16 free mem=293772, written data=1440 -I2S: DMA Malloc info, datalen=blocksize=240, dma_desc_num=6 -I2S: PLL_D2: Req RATE: 36000, real rate: 36764.000, BITS: 16, CLKM: 17, BCK: 8, MCLK: 9216921.692, SCLK: 1176448.000000, diva: 64, divb: 23 +[i2s write] 1440 bytes are written successfully +[i2s write] 1440 bytes are written successfully +[i2s write] 1440 bytes are written successfully + +[i2s read] 8192 bytes are read successfully +---------------------------------------------- +[0] a7d468d9 [1] a88a6a1d [2] a9406b58 [3] a9f66c8b + +[i2s write] 1440 bytes are written successfully +[i2s write] 1440 bytes are written successfully + +[i2s read] 8192 bytes are read successfully +---------------------------------------------- +[0] 8b622120 [1] 8c182347 [2] 8cce256c [3] 8d84278d +``` + +There is a abnormal case that printing `Data dropped`, it is caused by a long polling time of `i2s_channel_read`, please refer to the `Application Notes` section in I2S API reference. + +``` +[i2s read] 8192 bytes are read successfully +---------------------------------------------- +[0] a7d468d9 [1] a88a6a1d [2] a9406b58 [3] a9f66c8b + + +[i2s monitor] Data dropped + + +[i2s monitor] Data dropped + + +[i2s monitor] Data dropped + +[i2s write] 1440 bytes are written successfully + +[i2s monitor] Data dropped ``` If you have a logic analyzer, you can use a logic analyzer to grab online data. The following table describes the pins we use by default (Note that you can also use other pins for the same purpose). diff --git a/examples/peripherals/i2s/i2s_basic/main/i2s_example_main.c b/examples/peripherals/i2s/i2s_basic/main/i2s_example_main.c index ecf64d6ca3..414bcbe03e 100644 --- a/examples/peripherals/i2s/i2s_basic/main/i2s_example_main.c +++ b/examples/peripherals/i2s/i2s_basic/main/i2s_example_main.c @@ -9,114 +9,172 @@ */ #include #include "freertos/FreeRTOS.h" +#include "freertos/queue.h" #include "freertos/task.h" -#include "driver/i2s.h" +#include "driver/i2s_std.h" #include "driver/gpio.h" #include "esp_system.h" #include "esp_log.h" +#include "esp_attr.h" #include +#define EXAMPLE_SAMPLE_RATE (36000) +#define EXAMPLE_DATA_BIT_WIDTH (I2S_DATA_BIT_WIDTH_16BIT) -#define SAMPLE_RATE (36000) #define I2S_NUM (0) #define WAVE_FREQ_HZ (100) #define PI (3.14159265) #define I2S_BCK_IO (GPIO_NUM_4) #define I2S_WS_IO (GPIO_NUM_5) #define I2S_DO_IO (GPIO_NUM_18) -#define I2S_DI_IO (-1) +#define I2S_DI_IO (GPIO_NUM_18) /// Loopback internally if data_out and data_in signal are bound to a same GPIO -#define SAMPLE_PER_CYCLE (SAMPLE_RATE/WAVE_FREQ_HZ) +#define SAMPLE_PER_CYCLE (EXAMPLE_SAMPLE_RATE/WAVE_FREQ_HZ) -static const char* TAG = "i2s_example"; +static i2s_chan_handle_t tx_handle = NULL; +static i2s_chan_handle_t rx_handle = NULL; -static void setup_triangle_sine_waves(int bits) +static volatile int is_overflow = 0; + +static uint32_t* example_generate_triangle_sine_waves(int bits, uint32_t *buf_len) { - int *samples_data = malloc(((bits+8)/16)*SAMPLE_PER_CYCLE*4); - unsigned int i, sample_val; - double sin_float, triangle_float, triangle_step = (double) pow(2, bits) / SAMPLE_PER_CYCLE; - size_t i2s_bytes_write = 0; + uint32_t len = ((bits + 8) / 16)*SAMPLE_PER_CYCLE * 4; + uint32_t *samples_data = malloc(len); - printf("\r\nTest bits=%d free mem=%d, written data=%d\n", bits, esp_get_free_heap_size(), ((bits+8)/16)*SAMPLE_PER_CYCLE*4); + double triangle_float = -(pow(2, bits) / 2 - 1); + double triangle_step = (double) pow(2, bits) / SAMPLE_PER_CYCLE; - triangle_float = -(pow(2, bits)/2 - 1); - - for(i = 0; i < SAMPLE_PER_CYCLE; i++) { - sin_float = sin(i * 2 * PI / SAMPLE_PER_CYCLE); - if(sin_float >= 0) + for (int i = 0; i < SAMPLE_PER_CYCLE; i++) { + double sin_float = sin(i * 2 * PI / SAMPLE_PER_CYCLE); + if (sin_float >= 0) { triangle_float += triangle_step; - else - triangle_float -= triangle_step; - - sin_float *= (pow(2, bits)/2 - 1); - - if (bits == 16) { - sample_val = 0; - sample_val += (short)triangle_float; - sample_val = sample_val << 16; - sample_val += (short) sin_float; - samples_data[i] = sample_val; - } else if (bits == 24) { //1-bytes unused - samples_data[i*2] = ((int) triangle_float) << 8; - samples_data[i*2 + 1] = ((int) sin_float) << 8; } else { - samples_data[i*2] = ((int) triangle_float); - samples_data[i*2 + 1] = ((int) sin_float); + triangle_float -= triangle_step; + } + sin_float *= (pow(2, bits) / 2 - 1); + if (bits == 16) { + samples_data[i] = ((short)triangle_float << 16) | (short)sin_float; + } else if (bits == 24) { //1-bytes unused + samples_data[i * 2] = ((int) triangle_float) << 8; + samples_data[i * 2 + 1] = ((int) sin_float) << 8; + } else { + samples_data[i * 2] = ((int) triangle_float); + samples_data[i * 2 + 1] = ((int) sin_float); } } - ESP_LOGI(TAG, "set clock"); - i2s_set_clk(I2S_NUM, SAMPLE_RATE, bits, 2); - //Using push - // for(i = 0; i < SAMPLE_PER_CYCLE; i++) { - // if (bits == 16) - // i2s_push_sample(0, &samples_data[i], 100); - // else - // i2s_push_sample(0, &samples_data[i*2], 100); - // } - // or write - ESP_LOGI(TAG, "write data"); - i2s_write(I2S_NUM, samples_data, ((bits+8)/16)*SAMPLE_PER_CYCLE*4, &i2s_bytes_write, 100); + *buf_len = len; + return samples_data; +} - free(samples_data); +static IRAM_ATTR bool i2s_rx_queue_overflow_callback(i2s_chan_handle_t handle, i2s_event_data_t *event, void *user_ctx) +{ + is_overflow++; + return false; +} + +static void example_i2s_read_task(void * args) +{ + uint32_t *rx_buf = calloc(1, 8192); + size_t bytes_read = 0; + uint32_t cnt = 0; + + while (1) { + if (i2s_channel_read(rx_handle, rx_buf, 8192, &bytes_read, 1000) == ESP_OK) { + if (cnt == 0) { + printf("\n[i2s read] %d bytes are read successfully\n", bytes_read); + printf("----------------------------------------------\n"); + printf("[0] %4x [1] %4x [2] %4x [3] %4x\n\n", rx_buf[0], rx_buf[1], rx_buf[2], rx_buf[3]); + } + cnt++; + cnt %= 10; + /* If the polling time is too long, there will be data dropped event */ + // vTaskDelay(10); + } else { + printf("[i2s read] %d bytes are read, timeout triggered\n\n", bytes_read); + } + } + vTaskDelete(NULL); +} + +static void example_i2s_write_task(void * args) +{ + uint32_t buf_len = 0; + uint32_t *tx_buf = example_generate_triangle_sine_waves(EXAMPLE_DATA_BIT_WIDTH, &buf_len); + size_t bytes_written = 0; + uint32_t cnt = 0; + + while (1) { + if (i2s_channel_write(tx_handle, tx_buf, buf_len, &bytes_written, 1000) == ESP_OK) { + if (cnt == 0) { + printf("[i2s write] %d bytes are written successfully\n", bytes_written); + } + cnt++; + cnt %= 20; + } else { + printf("[i2s write] %d bytes are written, timeout triggered\n", bytes_written); + } + } + vTaskDelete(NULL); +} + +static void example_i2s_init_std_duplex(void) +{ + i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_AUTO, I2S_ROLE_MASTER); + /* Giving both tx and rx handle will make the i2s works in full-duplex mode and can share the bclk and ws signal */ + ESP_ERROR_CHECK(i2s_new_channel(&chan_cfg, &tx_handle, &rx_handle)); + i2s_std_config_t std_cfg = { + .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(EXAMPLE_SAMPLE_RATE), + .slot_cfg = I2S_STD_MSB_SLOT_DEFAULT_CONFIG(EXAMPLE_DATA_BIT_WIDTH, I2S_SLOT_MODE_STEREO), + .gpio_cfg = { + .mclk = I2S_GPIO_UNUSED, + .bclk = I2S_BCK_IO, + .ws = I2S_WS_IO, + .dout = I2S_DO_IO, + .din = I2S_DI_IO, + .invert_flags = { + .mclk_inv = false, + .bclk_inv = false, + .ws_inv = false, + }, + }, + }; +#if SOC_I2S_SUPPORTS_APLL + // APLL clock is more accurate when sample rate is high + std_cfg.clk_cfg.clk_src = I2S_CLK_SRC_APLL; +#endif + /* Initialize the tx channel handle to standard mode */ + ESP_ERROR_CHECK(i2s_channel_init_std_mode(tx_handle, &std_cfg)); + /* Initialize the rx channel handle to standard mode */ + ESP_ERROR_CHECK(i2s_channel_init_std_mode(rx_handle, &std_cfg)); + + printf("I2S tx and rx channels have been initialized to standard duplex mode\n"); + + i2s_event_callbacks_t cbs = { + .on_recv = NULL, + .on_recv_q_ovf = i2s_rx_queue_overflow_callback, + .on_sent = NULL, + .on_send_q_ovf = NULL, + }; + ESP_ERROR_CHECK(i2s_channel_register_event_callback(rx_handle, &cbs, NULL)); + + ESP_ERROR_CHECK(i2s_channel_enable(tx_handle)); + ESP_ERROR_CHECK(i2s_channel_enable(rx_handle)); + printf("I2S tx and rx channels enabled\n"); } void app_main(void) { //for 36Khz sample rates, we create 100Hz sine wave, every cycle need 36000/100 = 360 samples (4-bytes or 8-bytes each sample) - //depend on bits_per_sample - //using 6 buffers, we need 60-samples per buffer - //if 2-channels, 16-bit each channel, total buffer is 360*4 = 1440 bytes - //if 2-channels, 24/32-bit each channel, total buffer is 360*8 = 2880 bytes - i2s_config_t i2s_config = { - .mode = I2S_MODE_MASTER | I2S_MODE_TX, - .sample_rate = SAMPLE_RATE, - .bits_per_sample = I2S_BITS_PER_SAMPLE_16BIT, - .channel_format = I2S_CHANNEL_FMT_RIGHT_LEFT, - .communication_format = I2S_COMM_FORMAT_STAND_MSB, - .dma_desc_num = 6, - .dma_frame_num = 60, - .use_apll = false, - .intr_alloc_flags = ESP_INTR_FLAG_LEVEL1 //Interrupt level 1 - }; - i2s_pin_config_t pin_config = { - .mck_io_num = I2S_PIN_NO_CHANGE, - .bck_io_num = I2S_BCK_IO, - .ws_io_num = I2S_WS_IO, - .data_out_num = I2S_DO_IO, - .data_in_num = I2S_DI_IO //Not used - }; - i2s_driver_install(I2S_NUM, &i2s_config, 0, NULL); - i2s_set_pin(I2S_NUM, &pin_config); + example_i2s_init_std_duplex(); + xTaskCreate(example_i2s_write_task, "i2s write task", 4096, NULL, 5, NULL); + xTaskCreate(example_i2s_read_task, "i2s read task", 8192, NULL, 5, NULL); - int test_bits = 16; while (1) { - setup_triangle_sine_waves(test_bits); - vTaskDelay(5000/portTICK_PERIOD_MS); - test_bits += 8; - if(test_bits > 32) - test_bits = 16; - + if (is_overflow > 0) { + printf("[i2s monitor] RX message Queue overflowed\n"); + is_overflow--; + } + vTaskDelay(1); } - } diff --git a/examples/peripherals/i2s/i2s_basic/pytest_i2s_basic.py b/examples/peripherals/i2s/i2s_basic/pytest_i2s_basic.py new file mode 100644 index 0000000000..691aa7f186 --- /dev/null +++ b/examples/peripherals/i2s/i2s_basic/pytest_i2s_basic.py @@ -0,0 +1,18 @@ +# SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD +# SPDX-License-Identifier: CC0-1.0 + +import pytest +from pytest_embedded import Dut + + +@pytest.mark.esp32 +@pytest.mark.esp32s2 +@pytest.mark.esp32s3 +@pytest.mark.esp32c3 +@pytest.mark.generic +def test_i2s_basic_example(dut: Dut) -> None: + dut.expect_exact('I2S tx and rx channels have been initialized to standard duplex mode', timeout=30) + dut.expect_exact('I2S tx and rx channels enabled', timeout=30) + dut.expect_exact('[i2s write] 1440 bytes are written successfully', timeout=30) + dut.expect_exact('', timeout=30) + dut.expect_exact('[i2s read] 8192 bytes are read successfully', timeout=30) diff --git a/examples/peripherals/i2s/i2s_basic/sdkconfig.defaults b/examples/peripherals/i2s/i2s_basic/sdkconfig.defaults deleted file mode 100644 index ed0a8a90d9..0000000000 --- a/examples/peripherals/i2s/i2s_basic/sdkconfig.defaults +++ /dev/null @@ -1 +0,0 @@ -CONFIG_I2S_SUPPRESS_DEPRECATE_WARN=y diff --git a/examples/peripherals/i2s/i2s_basic_new/CMakeLists.txt b/examples/peripherals/i2s/i2s_basic_new/CMakeLists.txt deleted file mode 100644 index ffc1310d66..0000000000 --- a/examples/peripherals/i2s/i2s_basic_new/CMakeLists.txt +++ /dev/null @@ -1,6 +0,0 @@ -# The following lines of boilerplate have to be in your project's CMakeLists -# in this exact order for cmake to work correctly -cmake_minimum_required(VERSION 3.5) - -include($ENV{IDF_PATH}/tools/cmake/project.cmake) -project(esp32_i2s_driver_example) diff --git a/examples/peripherals/i2s/i2s_basic_new/README.md b/examples/peripherals/i2s/i2s_basic_new/README.md deleted file mode 100644 index 0b0a9d3913..0000000000 --- a/examples/peripherals/i2s/i2s_basic_new/README.md +++ /dev/null @@ -1,98 +0,0 @@ -| Supported Targets | ESP32 | ESP32-S2 | ESP32-C3 | ESP32-S3 | -| ----------------- | ----- | -------- | -------- | -------- | - -# I2S Example - -(See the README.md file in the upper level 'examples' directory for more information about examples.) - -In this example, we generate a 100Hz triangle and sine wave and send it out from left and right channels at a sample rate of 36kHz through the I2S bus. - -## How to Use Example - -### Hardware Required - -* A development board with ESP32/ESP32-S2/ESP32-C3/ESP32-S3 SoC (e.g., ESP32-DevKitC, ESP-WROVER-KIT, etc.) -* A USB cable for power supply and programming - -### Configure the Project - -``` -idf.py menuconfig -``` - -### Build and Flash - -Build the project and flash it to the board, then run monitor tool to view serial output: - -``` -idf.py -p PORT flash monitor -``` - -(To exit the serial monitor, type ``Ctrl-]``.) - -See the Getting Started Guide for full steps to configure and use ESP-IDF to build projects. - -## Example Output - -Running this example, you will see I2S start to read and write data, and only the first 4 elements in the receive buffer will be displayed. The output log can be seen below: - -``` -[i2s write] 1440 bytes are written successfully - -[i2s read] 8192 bytes are read successfully ----------------------------------------------- -[0] 0 [1] 0 [2] 0 [3] 0 - -[i2s write] 1440 bytes are written successfully -[i2s write] 1440 bytes are written successfully -[i2s write] 1440 bytes are written successfully - -[i2s read] 8192 bytes are read successfully ----------------------------------------------- -[0] a7d468d9 [1] a88a6a1d [2] a9406b58 [3] a9f66c8b - -[i2s write] 1440 bytes are written successfully -[i2s write] 1440 bytes are written successfully - -[i2s read] 8192 bytes are read successfully ----------------------------------------------- -[0] 8b622120 [1] 8c182347 [2] 8cce256c [3] 8d84278d -``` - -There is a abnormal case that printing `Data dropped`, it is caused by a long polling time of `i2s_read_channel`, please refer to the `Application Notes` section in I2S API reference. - -``` -[i2s read] 8192 bytes are read successfully ----------------------------------------------- -[0] a7d468d9 [1] a88a6a1d [2] a9406b58 [3] a9f66c8b - - -[i2s monitor] Data dropped - - -[i2s monitor] Data dropped - - -[i2s monitor] Data dropped - -[i2s write] 1440 bytes are written successfully - -[i2s monitor] Data dropped -``` - -If you have a logic analyzer, you can use a logic analyzer to grab online data. The following table describes the pins we use by default (Note that you can also use other pins for the same purpose). - -| pin name| function | gpio_num | -|:---:|:---:|:---:| -| WS |word select| GPIO_NUM_15 | -| SCK |continuous serial clock| GPIO_NUM_13 | -| SD |serial data| GPIO_NUM_21 | - -## Troubleshooting - -* Program upload failure - - * Hardware connection is not correct: run `idf.py -p PORT monitor`, and reboot your board to see if there are any output logs. - * The baud rate for downloading is too high: lower your baud rate in the `menuconfig` menu, and try again. - -For any technical queries, please open an [issue](https://github.com/espressif/esp-idf/issues) on GitHub. We will get back to you soon. diff --git a/examples/peripherals/i2s/i2s_basic_new/main/CMakeLists.txt b/examples/peripherals/i2s/i2s_basic_new/main/CMakeLists.txt deleted file mode 100644 index 4c583513cd..0000000000 --- a/examples/peripherals/i2s/i2s_basic_new/main/CMakeLists.txt +++ /dev/null @@ -1,2 +0,0 @@ -idf_component_register(SRCS "i2s_example_main.c" - INCLUDE_DIRS ".") diff --git a/examples/peripherals/i2s/i2s_basic_new/main/i2s_example_main.c b/examples/peripherals/i2s/i2s_basic_new/main/i2s_example_main.c deleted file mode 100644 index a9c8e2c0ee..0000000000 --- a/examples/peripherals/i2s/i2s_basic_new/main/i2s_example_main.c +++ /dev/null @@ -1,166 +0,0 @@ -/* - * SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD - * - * SPDX-License-Identifier: Unlicense OR CC0-1.0 - */ -/* I2S Example - * This example code will output 100Hz sine wave and triangle wave to 2-channel of I2S driver - * Every 5 seconds, it will change bits_per_sample [16, 24, 32] for i2s data - */ -#include -#include "freertos/FreeRTOS.h" -#include "freertos/task.h" -#include "driver/i2s_std.h" -#include "driver/gpio.h" -#include "esp_system.h" -#include "esp_log.h" -#include - -#define EXAMPLE_SAMPLE_RATE (36000) -#define EXAMPLE_DATA_BIT_WIDTH (I2S_DATA_BIT_WIDTH_16BIT) - -#define I2S_NUM (0) -#define WAVE_FREQ_HZ (100) -#define PI (3.14159265) -#define I2S_BCK_IO (GPIO_NUM_4) -#define I2S_WS_IO (GPIO_NUM_5) -#define I2S_DO_IO (GPIO_NUM_18) -#define I2S_DI_IO (GPIO_NUM_18) /// Loopback internally if data_out and data_in signal are bound to a same GPIO - -#define SAMPLE_PER_CYCLE (EXAMPLE_SAMPLE_RATE/WAVE_FREQ_HZ) - -static i2s_chan_handle_t tx_handle = NULL; -static i2s_chan_handle_t rx_handle = NULL; - -static uint32_t* example_generate_triangle_sine_waves(int bits, uint32_t *buf_len) -{ - uint32_t len = ((bits + 8) / 16)*SAMPLE_PER_CYCLE * 4; - uint32_t *samples_data = malloc(len); - - double triangle_float = -(pow(2, bits) / 2 - 1); - double triangle_step = (double) pow(2, bits) / SAMPLE_PER_CYCLE; - - for (int i = 0; i < SAMPLE_PER_CYCLE; i++) { - double sin_float = sin(i * 2 * PI / SAMPLE_PER_CYCLE); - if (sin_float >= 0) { - triangle_float += triangle_step; - } else { - triangle_float -= triangle_step; - } - sin_float *= (pow(2, bits) / 2 - 1); - if (bits == 16) { - samples_data[i] = ((short)triangle_float << 16) | (short)sin_float; - } else if (bits == 24) { //1-bytes unused - samples_data[i * 2] = ((int) triangle_float) << 8; - samples_data[i * 2 + 1] = ((int) sin_float) << 8; - } else { - samples_data[i * 2] = ((int) triangle_float); - samples_data[i * 2 + 1] = ((int) sin_float); - } - - } - *buf_len = len; - return samples_data; -} - -static void example_i2s_monitor_task(void * args) -{ - QueueHandle_t evt_que = *(QueueHandle_t*)args; - i2s_event_t event; - while (1) { - if (xQueueReceive(evt_que, &event, portMAX_DELAY) == pdTRUE) { - if (event.type == I2S_EVENT_RX_Q_OVF) { - /* When the rx message queue is overflow, the data in oldest DMA buffer will be dropped */ - printf("\n[i2s monitor] Data dropped\n\n"); - } - } - } - vTaskDelete(NULL); -} - -static void example_i2s_read_task(void * args) -{ - uint32_t *rx_buf = calloc(1, 8192); - uint32_t bytes_read = 0; - uint32_t cnt = 0; - - while (1) { - if (i2s_read_channel(rx_handle, rx_buf, 8192, &bytes_read, 100) == ESP_OK) { - if (cnt == 0) { - printf("\n[i2s read] %d bytes are read successfully\n", bytes_read); - printf("----------------------------------------------\n"); - printf("[0] %4x [1] %4x [2] %4x [3] %4x\n\n", rx_buf[0], rx_buf[1], rx_buf[2], rx_buf[3]); - } - cnt++; - cnt %= 10; - /* If the polling time is too long, there will be data dropped event */ - // vTaskDelay(10); - } else { - printf("[i2s read] %d bytes are read, timeout triggered\n\n", bytes_read); - } - } - vTaskDelete(NULL); -} - -static void example_i2s_write_task(void * args) -{ - uint32_t buf_len = 0; - uint32_t *tx_buf = example_generate_triangle_sine_waves(EXAMPLE_DATA_BIT_WIDTH, &buf_len); - uint32_t bytes_written = 0; - uint32_t cnt = 0; - - while (1) { - if (i2s_write_channel(tx_handle, tx_buf, buf_len, &bytes_written, 1000) == ESP_OK) { - if (cnt == 0) { - printf("[i2s write] %d bytes are written successfully\n", bytes_written); - } - cnt++; - cnt %= 20; - } else { - printf("[i2s write] %d bytes are written, timeout triggered\n", bytes_written); - } - } - vTaskDelete(NULL); -} - -static void example_i2s_init_std_duplex(void) -{ - i2s_chan_config_t chan_cfg = I2S_CHANNEL_DEFAULT_CONFIG(I2S_NUM_AUTO, I2S_ROLE_MASTER); - /* Giving both tx and rx handle will make the i2s works in full-duplex mode and can share the bclk and ws signal */ - ESP_ERROR_CHECK(i2s_new_channel(&chan_cfg, &tx_handle, &rx_handle)); - i2s_std_config_t std_cfg = { - .clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(EXAMPLE_SAMPLE_RATE), - .slot_cfg = I2S_STD_MSB_SLOT_DEFAULT_CONFIG(EXAMPLE_DATA_BIT_WIDTH, I2S_SLOT_MODE_STEREO), - .gpio_cfg = { - .mclk = I2S_GPIO_UNUSED, - .bclk = I2S_BCK_IO, - .ws = I2S_WS_IO, - .dout = I2S_DO_IO, - .din = I2S_DI_IO, - }, - }; -#if SOC_I2S_SUPPORTS_APLL - // APLL clock is more accurate when sample rate is high - std_cfg.clk_cfg.clk_src = I2S_CLK_APLL; -#endif - /* Initialize the tx channel handle to standard mode */ - ESP_ERROR_CHECK(i2s_init_std_channel(tx_handle, &std_cfg)); - /* Initialize the rx channel handle to standard mode */ - ESP_ERROR_CHECK(i2s_init_std_channel(rx_handle, &std_cfg)); - - ESP_ERROR_CHECK(i2s_start_channel(tx_handle)); - ESP_ERROR_CHECK(i2s_start_channel(rx_handle)); -} - -void app_main(void) -{ - //for 36Khz sample rates, we create 100Hz sine wave, every cycle need 36000/100 = 360 samples (4-bytes or 8-bytes each sample) - example_i2s_init_std_duplex(); - - // Acquire I2S rx channel event queue handle for monitoring whether the received data dropped - QueueHandle_t evt_que = i2s_get_event_queue(rx_handle, 16); - - xTaskCreate(example_i2s_write_task, "i2s write task", 4096, NULL, 5, NULL); - xTaskCreate(example_i2s_read_task, "i2s read task", 8192, NULL, 5, NULL); - xTaskCreate(example_i2s_monitor_task, "i2s monitor task", 4096, &evt_que, 5, NULL); -} diff --git a/examples/peripherals/i2s/i2s_es8311/README.md b/examples/peripherals/i2s/i2s_es8311/README.md index fa3a2363ab..c0dfffed99 100644 --- a/examples/peripherals/i2s/i2s_es8311/README.md +++ b/examples/peripherals/i2s/i2s_es8311/README.md @@ -65,7 +65,7 @@ The component can be installed by esp component manager. Since this example alre idf.py add-dependency espressif/es8311==0.0.2-alpha ``` -If dependency is added, you can check `idf_component.yml` for more detail. When building this example or other project with managed-component in it, the component manager will search the componet online and download it under `managed_componets` folder. +If the dependency is added, you can check `idf_component.yml` for more detail. When building this example or other project with managed component in it, the component manager will search the component online and download it under the `managed_componets` folder. ### Configure the Project @@ -137,7 +137,7 @@ The example have contained a piece of music in canon.pcm, if you want to play yo 5. Transfer the music format into .pcm. ```ffmpeg -i a_cut.mp3 -f s16ls -ar 16000 -ac -1 -acodec pcm_s16le a.pcm``` 6. Move 'a.pcm' under 'main' directory 7. Replace 'canon.pcm' with 'a.pcm' in 'CMakeLists.txt' under 'main' directory -8. Replace '_binary_canon_pcm_start' and '_binary_canon_pcm_end' with '_binary_a_pcm_start' and '_binary_a_pcm_end' in `i2s_es8311_example.c`(line 46/47) +8. Replace '_binary_canon_pcm_start' and '_binary_canon_pcm_end' with '_binary_a_pcm_start' and '_binary_a_pcm_end' in `i2s_es8311_example.c` 9. Download the example and enjoy your own music ## Troubleshooting diff --git a/examples/peripherals/i2s/i2s_es8311/main/i2s_es8311_example.c b/examples/peripherals/i2s/i2s_es8311/main/i2s_es8311_example.c index 4f3716c7d8..984796d9c0 100644 --- a/examples/peripherals/i2s/i2s_es8311/main/i2s_es8311_example.c +++ b/examples/peripherals/i2s/i2s_es8311/main/i2s_es8311_example.c @@ -97,14 +97,19 @@ static esp_err_t i2s_driver_init(void) .bclk = GPIO_NUM_4, .ws = GPIO_NUM_5, .dout = GPIO_NUM_18, - .din = GPIO_NUM_19 + .din = GPIO_NUM_19, + .invert_flags = { + .mclk_inv = false, + .bclk_inv = false, + .ws_inv = false, + }, }, }; - ESP_ERROR_CHECK(i2s_init_std_channel(tx_handle, &std_cfg)); - ESP_ERROR_CHECK(i2s_init_std_channel(rx_handle, &std_cfg)); - ESP_ERROR_CHECK(i2s_start_channel(tx_handle)); - ESP_ERROR_CHECK(i2s_start_channel(rx_handle)); + ESP_ERROR_CHECK(i2s_channel_init_std_mode(tx_handle, &std_cfg)); + ESP_ERROR_CHECK(i2s_channel_init_std_mode(rx_handle, &std_cfg)); + ESP_ERROR_CHECK(i2s_channel_enable(tx_handle)); + ESP_ERROR_CHECK(i2s_channel_enable(rx_handle)); return ESP_OK; } @@ -113,18 +118,14 @@ static void i2s_music(void *args) { esp_err_t ret = ESP_OK; size_t bytes_write = 0; - if (tx_handle == NULL) { - ESP_LOGE(TAG, "[music] i2s tx channel has not been registered yet"); - abort(); - } while (1) { /* Write music to earphone */ - ret = i2s_write_channel(tx_handle, music_pcm_start, music_pcm_end - music_pcm_start, &bytes_write, portMAX_DELAY); + ret = i2s_channel_write(tx_handle, music_pcm_start, music_pcm_end - music_pcm_start, &bytes_write, portMAX_DELAY); if (ret != ESP_OK) { - /* Since we set timeout to 'portMAX_DELAY' in 'i2s_write_channel' + /* Since we set timeout to 'portMAX_DELAY' in 'i2s_channel_write' so you won't reach here unless you set other timeout value, if timeout detected, it means write operation failed. */ - ESP_LOGE(TAG, "[music] i2s read failed, %s", err_reason[ret == ESP_ERR_TIMEOUT]); + ESP_LOGE(TAG, "[music] i2s write failed, %s", err_reason[ret == ESP_ERR_TIMEOUT]); abort(); } if (bytes_write > 0) { @@ -141,10 +142,6 @@ static void i2s_music(void *args) #else static void i2s_echo(void *args) { - if (rx_handle == NULL || tx_handle == NULL) { - ESP_LOGE(TAG, "[echo] i2s rx or tx channel has not been registered yet"); - abort(); - } int *mic_data = malloc(EXAMPLE_RECV_BUF_SIZE); if (!mic_data) { ESP_LOGE(TAG, "[echo] No memory for read data buffer"); @@ -158,13 +155,13 @@ static void i2s_echo(void *args) while (1) { memset(mic_data, 0, EXAMPLE_RECV_BUF_SIZE); /* Read sample data from mic */ - ret = i2s_read_channel(rx_handle, mic_data, EXAMPLE_RECV_BUF_SIZE, &bytes_read, 100); + ret = i2s_channel_read(rx_handle, mic_data, EXAMPLE_RECV_BUF_SIZE, &bytes_read, 1000); if (ret != ESP_OK) { ESP_LOGE(TAG, "[echo] i2s read failed, %s", err_reason[ret == ESP_ERR_TIMEOUT]); abort(); } /* Write sample data to earphone */ - ret = i2s_write_channel(tx_handle, mic_data, EXAMPLE_RECV_BUF_SIZE, &bytes_write, 100); + ret = i2s_channel_write(tx_handle, mic_data, EXAMPLE_RECV_BUF_SIZE, &bytes_write, 1000); if (ret != ESP_OK) { ESP_LOGE(TAG, "[echo] i2s write failed, %s", err_reason[ret == ESP_ERR_TIMEOUT]); abort(); @@ -179,15 +176,20 @@ static void i2s_echo(void *args) void app_main(void) { + printf("i2s es8311 codec example start\n-----------------------------\n"); /* Initialize i2s peripheral */ if (i2s_driver_init() != ESP_OK) { ESP_LOGE(TAG, "i2s driver init failed"); abort(); + } else { + ESP_LOGI(TAG, "i2s driver init success"); } /* Initialize i2c peripheral and config es8311 codec by i2c */ if (es8311_codec_init() != ESP_OK) { ESP_LOGE(TAG, "es8311 codec init failed"); abort(); + } else { + ESP_LOGI(TAG, "es8311 codec init success"); } #if CONFIG_EXAMPLE_MODE_MUSIC /* Play a piece of music in music mode */ diff --git a/examples/peripherals/i2s/i2s_es8311/pytest_i2s_es8311.py b/examples/peripherals/i2s/i2s_es8311/pytest_i2s_es8311.py new file mode 100644 index 0000000000..51fb648239 --- /dev/null +++ b/examples/peripherals/i2s/i2s_es8311/pytest_i2s_es8311.py @@ -0,0 +1,16 @@ +# SPDX-FileCopyrightText: 2021-2022 Espressif Systems (Shanghai) CO LTD +# SPDX-License-Identifier: CC0-1.0 + +import pytest +from pytest_embedded import Dut + + +@pytest.mark.esp32 +@pytest.mark.esp32s2 +@pytest.mark.esp32s3 +@pytest.mark.esp32c3 +@pytest.mark.generic +def test_i2s_es8311_example_generic(dut: Dut) -> None: + dut.expect('i2s es8311 codec example start', timeout=30) + dut.expect('-----------------------------', timeout=30) + dut.expect('I \\(([0-9]+)\\) i2s_es8311: i2s driver init success', timeout=30)