Merge branch 'feature/i2s_support_mclk_input' into 'master'

feat(i2s): supported external clock source input

Closes IDF-7889

See merge request espressif/esp-idf!24942
This commit is contained in:
Kevin (Lao Kaiyao) 2023-08-16 19:07:22 +08:00
commit f629c4b7e9
30 changed files with 289 additions and 184 deletions

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@ -24,9 +24,9 @@ components/driver/test_apps/i2s_test_apps/i2s:
disable:
- if: SOC_I2S_SUPPORTED != 1
components/driver/test_apps/i2s_test_apps/i2s_tdm:
components/driver/test_apps/i2s_test_apps/i2s_multi_dev:
disable:
- if: SOC_I2S_SUPPORTS_TDM != 1
- if: SOC_I2S_HW_VERSION_2 != 1
components/driver/test_apps/i2s_test_apps/legacy_i2s_adc_dac:
disable:

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@ -43,6 +43,7 @@
#include "i2s_private.h"
#include "clk_ctrl_os.h"
#include "esp_clk_tree.h"
#include "esp_intr_alloc.h"
#include "esp_check.h"
#include "esp_attr.h"
@ -435,39 +436,16 @@ static uint32_t i2s_set_get_apll_freq(uint32_t mclk_freq_hz)
}
#endif
// [clk_tree] TODO: replace the following switch table by clk_tree API
uint32_t i2s_get_source_clk_freq(i2s_clock_src_t clk_src, uint32_t mclk_freq_hz)
{
switch (clk_src)
{
uint32_t clk_freq = 0;
#if SOC_I2S_SUPPORTS_APLL
case I2S_CLK_SRC_APLL:
if (clk_src == I2S_CLK_SRC_APLL) {
return i2s_set_get_apll_freq(mclk_freq_hz);
#endif
#if SOC_I2S_SUPPORTS_XTAL
case I2S_CLK_SRC_XTAL:
(void)mclk_freq_hz;
return esp_clk_xtal_freq();
#endif
#if SOC_I2S_SUPPORTS_PLL_F160M
case I2S_CLK_SRC_PLL_160M:
(void)mclk_freq_hz;
return I2S_LL_PLL_F160M_CLK_FREQ;
#endif
#if SOC_I2S_SUPPORTS_PLL_F96M
case I2S_CLK_SRC_PLL_96M:
(void)mclk_freq_hz;
return I2S_LL_PLL_F96M_CLK_FREQ;
#endif
#if SOC_I2S_SUPPORTS_PLL_F64M
case I2S_CLK_SRC_PLL_64M:
(void)mclk_freq_hz;
return I2S_LL_PLL_F64M_CLK_FREQ;
#endif
default:
// Invalid clock source
return 0;
}
#endif
esp_clk_tree_src_get_freq_hz(clk_src, ESP_CLK_TREE_SRC_FREQ_PRECISION_CACHED, &clk_freq);
return clk_freq;
}
#if SOC_GDMA_SUPPORTED
@ -711,7 +689,7 @@ void i2s_gpio_loopback_set(gpio_num_t gpio, uint32_t out_sig_idx, uint32_t in_si
}
}
esp_err_t i2s_check_set_mclk(i2s_port_t id, gpio_num_t gpio_num, bool is_apll, bool is_invert)
esp_err_t i2s_check_set_mclk(i2s_port_t id, gpio_num_t gpio_num, i2s_clock_src_t clk_src, bool is_invert)
{
if (gpio_num == I2S_GPIO_UNUSED) {
return ESP_OK;
@ -721,6 +699,7 @@ esp_err_t i2s_check_set_mclk(i2s_port_t id, gpio_num_t gpio_num, bool is_apll, b
ESP_ERR_INVALID_ARG, TAG,
"ESP32 only support to set GPIO0/GPIO1/GPIO3 as mclk signal, error GPIO number:%d", gpio_num);
bool is_i2s0 = id == I2S_NUM_0;
bool is_apll = clk_src == I2S_CLK_SRC_APLL;
if (gpio_num == GPIO_NUM_0) {
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));
@ -733,9 +712,16 @@ esp_err_t i2s_check_set_mclk(i2s_port_t id, gpio_num_t gpio_num, bool is_apll, b
}
#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, is_invert);
#endif
ESP_LOGD(TAG, "MCLK is pinned to GPIO%d on I2S%d", id, gpio_num);
#if SOC_I2S_HW_VERSION_2
if (clk_src == I2S_CLK_SRC_EXTERNAL) {
i2s_gpio_check_and_set(gpio_num, i2s_periph_signal[id].mck_in_sig, true, is_invert);
} else
#endif // SOC_I2S_HW_VERSION_2
{
i2s_gpio_check_and_set(gpio_num, i2s_periph_signal[id].mck_out_sig, false, is_invert);
}
#endif // CONFIG_IDF_TARGET_ESP32
ESP_LOGD(TAG, "MCLK is pinned to GPIO%d on I2S%d", gpio_num, id);
return ESP_OK;
}

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@ -57,6 +57,9 @@ 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 SOC_I2S_HW_VERSION_2
ESP_RETURN_ON_FALSE(clk_cfg->clk_src != I2S_CLK_SRC_EXTERNAL, ESP_ERR_INVALID_ARG, TAG, "not support external clock source in pdm mode");
#endif
ESP_RETURN_ON_FALSE(clk_cfg->up_sample_fs <= 480, ESP_ERR_INVALID_ARG, TAG, "up_sample_fs should be within 480");
i2s_hal_clock_info_t clk_info;
@ -342,6 +345,9 @@ 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 SOC_I2S_HW_VERSION_2
ESP_RETURN_ON_FALSE(clk_cfg->clk_src != I2S_CLK_SRC_EXTERNAL, ESP_ERR_INVALID_ARG, TAG, "not support external clock source in pdm mode");
#endif
i2s_hal_clock_info_t clk_info;
/* Calculate clock parameters */

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@ -191,13 +191,13 @@ void i2s_gpio_check_and_set(gpio_num_t gpio, uint32_t signal_idx, bool is_input,
*
* @param id I2S port id
* @param gpio_num GPIO number
* @param is_apll Is using APLL as clock source
* @param clk_src The clock source of this I2S port
* @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);
esp_err_t i2s_check_set_mclk(i2s_port_t id, gpio_num_t gpio_num, i2s_clock_src_t clk_src, bool is_invert);
/**
* @brief Attach data out signal and data in signal to a same gpio

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@ -45,11 +45,16 @@ static esp_err_t i2s_std_calculate_clock(i2s_chan_handle_t handle, const i2s_std
clk_info->bclk = rate * handle->total_slot * slot_bits;
clk_info->mclk = clk_info->bclk * clk_info->bclk_div;
}
#if SOC_I2S_HW_VERSION_2
clk_info->sclk = clk_cfg->clk_src == I2S_CLK_SRC_EXTERNAL ?
clk_cfg->ext_clk_freq_hz : i2s_get_source_clk_freq(clk_cfg->clk_src, clk_info->mclk);
#else
clk_info->sclk = i2s_get_source_clk_freq(clk_cfg->clk_src, clk_info->mclk);
#endif
clk_info->mclk_div = clk_info->sclk / clk_info->mclk;
/* Check if the configuration is correct */
ESP_RETURN_ON_FALSE(clk_info->mclk_div, ESP_ERR_INVALID_ARG, TAG, "sample rate is too large");
ESP_RETURN_ON_FALSE(clk_info->mclk_div, ESP_ERR_INVALID_ARG, TAG, "sample rate is too large for the current clock source");
return ESP_OK;
}
@ -151,6 +156,9 @@ static esp_err_t i2s_std_set_gpio(i2s_chan_handle_t handle, const i2s_std_gpio_c
i2s_gpio_check_and_set(gpio_cfg->din, i2s_periph_signal[id].data_in_sig, true, false);
}
/* Set mclk pin */
ESP_RETURN_ON_ERROR(i2s_check_set_mclk(id, gpio_cfg->mclk, std_cfg->clk_cfg.clk_src, gpio_cfg->invert_flags.mclk_inv), TAG, "mclk config failed");
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->controller->full_duplex) {
@ -165,13 +173,6 @@ static esp_err_t i2s_std_set_gpio(i2s_chan_handle_t handle, const i2s_std_gpio_c
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 */
#if SOC_I2S_SUPPORTS_APLL
bool is_apll = std_cfg->clk_cfg.clk_src == I2S_CLK_SRC_APLL;
#else
bool is_apll = false;
#endif
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
@ -208,7 +209,6 @@ esp_err_t i2s_channel_init_std_mode(i2s_chan_handle_t handle, const i2s_std_conf
handle->mode_info = calloc(1, sizeof(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_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
@ -219,6 +219,8 @@ esp_err_t i2s_channel_init_std_mode(i2s_chan_handle_t handle, const i2s_std_conf
}
#endif
ESP_GOTO_ON_ERROR(i2s_std_set_clock(handle, &std_cfg->clk_cfg), err, TAG, "initialize channel failed while setting clock");
/* i2s_std_set_gpio should be called after i2s_std_set_clock as mclk relies on the clock source */
ESP_GOTO_ON_ERROR(i2s_std_set_gpio(handle, &std_cfg->gpio_cfg), err, TAG, "initialize channel failed while setting gpio pins");
ESP_GOTO_ON_ERROR(i2s_init_dma_intr(handle, I2S_INTR_ALLOC_FLAGS), err, TAG, "initialize dma interrupt failed");
#if SOC_I2S_HW_VERSION_2
/* Enable clock to start outputting mclk signal. Some codecs will reset once mclk stop */

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@ -56,11 +56,12 @@ static esp_err_t i2s_tdm_calculate_clock(i2s_chan_handle_t handle, const i2s_tdm
clk_info->bclk = rate * handle->total_slot * slot_bits;
clk_info->mclk = clk_info->bclk * clk_info->bclk_div;
}
clk_info->sclk = i2s_get_source_clk_freq(clk_cfg->clk_src, clk_info->mclk);
clk_info->sclk = clk_cfg->clk_src == I2S_CLK_SRC_EXTERNAL ?
clk_cfg->ext_clk_freq_hz : i2s_get_source_clk_freq(clk_cfg->clk_src, clk_info->mclk);
clk_info->mclk_div = clk_info->sclk / clk_info->mclk;
/* Check if the configuration is correct */
ESP_RETURN_ON_FALSE(clk_info->mclk_div, ESP_ERR_INVALID_ARG, TAG, "sample rate is too large");
ESP_RETURN_ON_FALSE(clk_info->mclk_div, ESP_ERR_INVALID_ARG, TAG, "sample rate is too large for the current clock source");
return ESP_OK;
}
@ -146,6 +147,7 @@ static esp_err_t i2s_tdm_set_gpio(i2s_chan_handle_t handle, const i2s_tdm_gpio_c
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");
i2s_tdm_config_t *tdm_cfg = (i2s_tdm_config_t *)(handle->mode_info);
/* Loopback if dout = din */
if (gpio_cfg->dout != -1 &&
gpio_cfg->dout == gpio_cfg->din) {
@ -158,6 +160,9 @@ static esp_err_t i2s_tdm_set_gpio(i2s_chan_handle_t handle, const i2s_tdm_gpio_c
i2s_gpio_check_and_set(gpio_cfg->din, i2s_periph_signal[id].data_in_sig, true, false);
}
/* Set mclk pin */
ESP_RETURN_ON_ERROR(i2s_check_set_mclk(id, gpio_cfg->mclk, tdm_cfg->clk_cfg.clk_src, gpio_cfg->invert_flags.mclk_inv), TAG, "mclk config failed");
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->controller->full_duplex) {
@ -172,8 +177,6 @@ static esp_err_t i2s_tdm_set_gpio(i2s_chan_handle_t handle, const i2s_tdm_gpio_c
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, 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->controller->full_duplex) {
#if SOC_I2S_HW_VERSION_2
@ -188,7 +191,6 @@ static esp_err_t i2s_tdm_set_gpio(i2s_chan_handle_t handle, const i2s_tdm_gpio_c
}
}
/* Update the mode info: gpio configuration */
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;
@ -212,7 +214,6 @@ esp_err_t i2s_channel_init_tdm_mode(i2s_chan_handle_t handle, const i2s_tdm_conf
}
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_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
@ -223,6 +224,8 @@ esp_err_t i2s_channel_init_tdm_mode(i2s_chan_handle_t handle, const i2s_tdm_conf
}
#endif
ESP_GOTO_ON_ERROR(i2s_tdm_set_clock(handle, &tdm_cfg->clk_cfg), err, TAG, "initialize channel failed while setting clock");
/* i2s_tdm_set_gpio should be called after i2s_tdm_set_clock as mclk relies on the clock source */
ESP_GOTO_ON_ERROR(i2s_tdm_set_gpio(handle, &tdm_cfg->gpio_cfg), err, TAG, "initialize channel failed while setting gpio pins");
ESP_GOTO_ON_ERROR(i2s_init_dma_intr(handle, I2S_INTR_ALLOC_FLAGS), err, TAG, "initialize dma interrupt failed");
#if SOC_I2S_HW_VERSION_2

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@ -237,7 +237,14 @@ typedef struct {
typedef struct {
/* General fields */
uint32_t sample_rate_hz; /*!< I2S sample rate */
i2s_clock_src_t clk_src; /*!< Choose clock source */
i2s_clock_src_t clk_src; /*!< Choose clock source, see 'soc_periph_i2s_clk_src_t' for the supported clock sources.
* selected 'I2S_CLK_SRC_EXTERNAL'(if supports) to enable the external source clock input via MCLK pin,
*/
#if SOC_I2S_HW_VERSION_2
uint32_t ext_clk_freq_hz; /*!< External clock source frequency in Hz, only take effect when 'clk_src = I2S_CLK_SRC_EXTERNAL', otherwise this field will be ignored,
* Please make sure the frequency input is equal or greater than bclk, i.e. 'sample_rate_hz * slot_bits * 2'
*/
#endif
i2s_mclk_multiple_t mclk_multiple; /*!< The multiple of mclk to the sample rate
* Default is 256 in the helper macro, it can satisfy most of cases,
* but please set this field a multiple of '3' (like 384) when using 24-bit data width,
@ -249,7 +256,7 @@ typedef struct {
* @brief I2S standard mode GPIO pins configuration
*/
typedef struct {
gpio_num_t mclk; /*!< MCK pin, output */
gpio_num_t mclk; /*!< MCK pin, output by default, input if the clock source is selected to 'I2S_CLK_SRC_EXTERNAL' */
gpio_num_t bclk; /*!< BCK pin, input in slave role, output in master role */
gpio_num_t ws; /*!< WS pin, input in slave role, output in master role */
gpio_num_t dout; /*!< DATA pin, output */

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@ -156,7 +156,13 @@ typedef struct {
typedef struct {
/* General fields */
uint32_t sample_rate_hz; /*!< I2S sample rate */
i2s_clock_src_t clk_src; /*!< Choose clock source */
i2s_clock_src_t clk_src; /*!< Choose clock source, see 'soc_periph_i2s_clk_src_t' for the supported clock sources.
* selected 'I2S_CLK_SRC_EXTERNAL'(if supports) to enable the external source clock inputted via MCLK pin,
* please make sure the frequency inputted is equal or greater than 'sample_rate_hz * mclk_multiple'
*/
uint32_t ext_clk_freq_hz; /*!< External clock source frequency in Hz, only take effect when 'clk_src = I2S_CLK_SRC_EXTERNAL', otherwise this field will be ignored
* Please make sure the frequency inputted is equal or greater than bclk, i.e. 'sample_rate_hz * slot_bits * slot_num'
*/
i2s_mclk_multiple_t mclk_multiple; /*!< The multiple of mclk to the sample rate, only take effect for master role */
uint32_t bclk_div; /*!< The division from mclk to bclk, only take effect for slave role, it shouldn't be smaller than 8. Increase this field when data sent by slave lag behind */
} i2s_tdm_clk_config_t;
@ -165,7 +171,7 @@ typedef struct {
* @brief I2S TDM mode GPIO pins configuration
*/
typedef struct {
gpio_num_t mclk; /*!< MCK pin, output */
gpio_num_t mclk; /*!< MCK pin, output by default, input if the clock source is selected to 'I2S_CLK_SRC_EXTERNAL' */
gpio_num_t bclk; /*!< BCK pin, input in slave role, output in master role */
gpio_num_t ws; /*!< WS pin, input in slave role, output in master role */
gpio_num_t dout; /*!< DATA pin, output */

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@ -10,4 +10,4 @@ set(EXTRA_COMPONENT_DIRS
)
include($ENV{IDF_PATH}/tools/cmake/project.cmake)
project(i2s_tdm_full_duplex_test)
project(i2s_multi_dev_test)

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@ -1,4 +1,4 @@
idf_component_register(SRCS "test_app_main.c" "test_i2s_tdm_full_duplex.c"
idf_component_register(SRCS "test_app_main.c" "test_i2s_multi_dev.c"
PRIV_REQUIRES unity driver test_utils
INCLUDE_DIRS "."
WHOLE_ARCHIVE

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@ -5,6 +5,7 @@
*/
#include <stdio.h>
#include <string.h>
#include <inttypes.h>
#include "sdkconfig.h"
#include "freertos/FreeRTOS.h"
#include "freertos/queue.h"
@ -15,15 +16,19 @@
#include "test_utils.h"
#include "driver/gpio.h"
#include "driver/i2s_tdm.h"
#include "driver/i2s_std.h"
#include "soc/i2s_struct.h"
static const char *TAG = "i2s_tdm_full_duplex_test";
static const char *TAG = "i2s_multi_dev_test";
#define TEST_I2S_FRAME_SIZE (128) // Frame numbers in every writing / reading
#define TEST_I2S_ARRAY_LENGTH (1024) // The loop data length for verification
#define TEST_I2S_MAX_DATA (256) // The maximum data value in the data buffer
#define TEST_I2S_MAX_FAIL_CNT (3) // Max broken packet count
#define TEST_I2S_FRAME_TIMEOUT_SEC (10.0f) // Timeout seconds of waiting for a correct frame
#define TEST_I2S_NUM (I2S_NUM_0) // ESP32-C3 has only I2S0
#define TEST_I2S_MCK_IO (GPIO_NUM_0)
#define TEST_I2S_BCK_IO (GPIO_NUM_4)
#define TEST_I2S_WS_IO (GPIO_NUM_5)
#if CONFIG_IDF_TARGET_ESP32H2
@ -34,53 +39,17 @@ static const char *TAG = "i2s_tdm_full_duplex_test";
#define TEST_I2S_DI_IO (GPIO_NUM_7) // DI and DO gpio will be reversed on slave runner
#endif // CONFIG_IDF_TARGET_ESP32H2
typedef struct {
TaskHandle_t maintask_handle;
QueueHandle_t tx_queue;
i2s_chan_handle_t tx_channel_handle;
i2s_data_bit_width_t tx_data_bit_width;
i2s_tdm_slot_mask_t tdm_slot_mask;
} test_i2s_tdm_write_task_args_t;
typedef struct {
uint32_t *buffer;
uint32_t buffer_size;
} test_i2s_tdm_write_buffer_t;
static void test_i2s_tdm_master_write_task(void *args)
{
test_i2s_tdm_write_task_args_t *task_args = (test_i2s_tdm_write_task_args_t*)args;
/* Allocate I2S tx buffer */
uint32_t channel_count = 32 - __builtin_clz(task_args->tdm_slot_mask);
uint32_t tx_buffer_size = TEST_I2S_FRAME_SIZE * channel_count * (task_args->tx_data_bit_width / 8);
ESP_LOGI(TAG, "Allocating I2S TDM master tx buffer, size=%ld", tx_buffer_size);
uint32_t *tx_buffer = malloc(tx_buffer_size);
TEST_ASSERT(tx_buffer);
uint32_t data_cnt = 0;
size_t bytes_written = 0;
/* Block here waiting for the main thread receiving Slave Ready signals */
xTaskNotifyWait(0, ULONG_MAX, NULL, portMAX_DELAY);
ESP_LOGI(TAG, "I2S TDM master send start");
while (xTaskNotifyWait(0, ULONG_MAX, NULL, 0) == pdFALSE) { // if main task sends terminate signal, exit the loop
/* Fill in the tx buffer */
for (uint32_t i = 0; i < tx_buffer_size / sizeof(uint32_t); i ++) {
tx_buffer[i] = data_cnt;
data_cnt++;
data_cnt %= TEST_I2S_ARRAY_LENGTH;
}
TEST_ESP_OK(i2s_channel_write(task_args->tx_channel_handle, tx_buffer, tx_buffer_size,
&bytes_written, 1000));
}
ESP_LOGI(TAG, "Freeing I2S TDM master tx buffer");
free(tx_buffer);
xTaskNotifyGive(task_args->maintask_handle); // notify main task that cleanup is done
vTaskSuspend(NULL); // wait to be deleted
#define TEST_I2S_DEFAULT_GPIO(mclk_pin, is_master) { \
.mclk = mclk_pin, \
.bclk = TEST_I2S_BCK_IO, \
.ws = TEST_I2S_WS_IO, \
.dout = is_master ? TEST_I2S_DO_IO : TEST_I2S_DI_IO, \
.din = is_master ? TEST_I2S_DI_IO : TEST_I2S_DO_IO, \
}
static void test_i2s_tdm_master(uint32_t sample_rate, i2s_data_bit_width_t bit_width, i2s_tdm_slot_mask_t slot_mask)
@ -102,93 +71,70 @@ static void test_i2s_tdm_master(uint32_t sample_rate, i2s_data_bit_width_t bit_w
i2s_tdm_config_t i2s_tdm_config = {
.clk_cfg = I2S_TDM_CLK_DEFAULT_CONFIG(sample_rate),
.slot_cfg = I2S_TDM_PHILIPS_SLOT_DEFAULT_CONFIG(bit_width, I2S_SLOT_MODE_STEREO, slot_mask),
.gpio_cfg = {
.mclk = GPIO_NUM_NC,
.bclk = TEST_I2S_BCK_IO,
.ws = TEST_I2S_WS_IO,
.dout = TEST_I2S_DO_IO,
.din = TEST_I2S_DI_IO
},
.gpio_cfg = TEST_I2S_DEFAULT_GPIO(GPIO_NUM_NC, true),
};
i2s_tdm_config.clk_cfg.mclk_multiple = I2S_MCLK_MULTIPLE_384;
TEST_ESP_OK(i2s_channel_init_tdm_mode(i2s_tdm_tx_handle, &i2s_tdm_config));
TEST_ESP_OK(i2s_channel_init_tdm_mode(i2s_tdm_rx_handle, &i2s_tdm_config));
/* Create TDM write task */
TaskHandle_t subtask_handle = NULL;
/* Make the variable static in case it become invalid in the write task */
static test_i2s_tdm_write_task_args_t task_args;
task_args.tx_channel_handle = i2s_tdm_tx_handle;
task_args.maintask_handle = xTaskGetCurrentTaskHandle();
task_args.tx_data_bit_width = bit_width;
task_args.tdm_slot_mask = slot_mask;
xTaskCreate(test_i2s_tdm_master_write_task, "I2S TDM Write Task", 4096, &task_args, 5, &subtask_handle);
/* Allocate I2S rx buffer */
uint32_t channel_count = 32 - __builtin_clz(slot_mask);
uint32_t rx_buffer_size = channel_count * TEST_I2S_FRAME_SIZE * (bit_width / 8);
ESP_LOGI(TAG, "Allocating I2S TDM master rx buffer, size=%"PRIu32, rx_buffer_size);
uint32_t *rx_buffer = malloc(rx_buffer_size);
size_t buf_size = channel_count * TEST_I2S_FRAME_SIZE * (bit_width / 8);
/* Allocate I2S rx buffer */
ESP_LOGI(TAG, "Allocating I2S TDM master rx buffer, size=%u", buf_size);
uint32_t *rx_buffer = malloc(buf_size);
TEST_ASSERT(rx_buffer);
/* Allocate I2S tx buffer */
ESP_LOGI(TAG, "Allocating I2S TDM master tx buffer, size=%u", buf_size);
uint32_t *tx_buffer = malloc(buf_size);
TEST_ASSERT(tx_buffer);
/* Fill in the tx buffer */
for (uint32_t i = 0, data_cnt = 0; i < buf_size / sizeof(uint32_t); i ++) {
tx_buffer[i] = data_cnt;
data_cnt++;
data_cnt %= TEST_I2S_MAX_DATA;
}
size_t w_bytes = buf_size;
while (w_bytes != 0) {
ESP_ERROR_CHECK(i2s_channel_preload_data(i2s_tdm_tx_handle, tx_buffer, buf_size, &w_bytes));
}
uint32_t count = 1;
bool is_start = false;
uint8_t fail_cnt = 0;
size_t bytes_read = 0;
float time = 0;
unity_wait_for_signal("Slave Ready");
TEST_ESP_OK(i2s_channel_enable(i2s_tdm_rx_handle));
TEST_ESP_OK(i2s_channel_enable(i2s_tdm_tx_handle));
vTaskDelay(pdMS_TO_TICKS(100)); // Waiting the data be steady on line
unity_send_signal("Master Ready");
unity_wait_for_signal("Slave Ready");
/* Slave is ready, start the writing task */
ESP_LOGI(TAG, "I2S TDM master receive & send start");
esp_err_t read_ret = ESP_OK;
xTaskNotifyGive(subtask_handle);
while (count < TEST_I2S_ARRAY_LENGTH && fail_cnt < TEST_I2S_MAX_FAIL_CNT && time < TEST_I2S_FRAME_TIMEOUT_SEC) {
read_ret = i2s_channel_read(i2s_tdm_rx_handle, rx_buffer, rx_buffer_size, &bytes_read, 1000);
if (read_ret != ESP_OK) {
break;
uint32_t count = 1;
uint8_t fail_cnt = 0;
size_t bytes_read = 0;
for (fail_cnt = 0; fail_cnt < TEST_I2S_MAX_FAIL_CNT && count < TEST_I2S_MAX_DATA; fail_cnt++) {
if (i2s_channel_read(i2s_tdm_rx_handle, rx_buffer, buf_size, &bytes_read, 1000) != ESP_OK) {
continue;
}
for (int i = 0; i < rx_buffer_size / sizeof(uint32_t); i++) {
for (int i = 0; i < buf_size && count < TEST_I2S_MAX_DATA; i++) {
if (rx_buffer[i] == count) {
count++;
if (count >= TEST_I2S_ARRAY_LENGTH) {
break;
}
if (!is_start) {
is_start = true;
}
} else if (is_start) {
} else if (count != 1) {
ESP_LOGE(TAG, "Failed at index: %d real: %" PRIu32 " expect: %" PRIu32, i, rx_buffer[i], count);
is_start = false;
count = 1;
fail_cnt++;
}
}
time += (float)TEST_I2S_MAX_FAIL_CNT / (float)sample_rate;
}
unity_send_signal("Master Finished");
ESP_LOGI(TAG, "Send signal to terminate subtask");
xTaskNotifyGive(subtask_handle); // notify subtask to exit
xTaskNotifyWait(0, ULONG_MAX, NULL, portMAX_DELAY); // wait subtask to do some cleanups
ESP_LOGI(TAG, "Deleting subtask");
unity_utils_task_delete(subtask_handle); // delete subtask
ESP_LOGI(TAG, "I2S TDM master send stop");
ESP_LOGI(TAG, "I2S TDM master stop");
TEST_ESP_OK(i2s_channel_disable(i2s_tdm_tx_handle));
ESP_LOGI(TAG, "I2S TDM master receive stop");
TEST_ESP_OK(i2s_channel_disable(i2s_tdm_rx_handle));
ESP_LOGI(TAG, "Freeing I2S TDM master rx buffer");
free(rx_buffer);
ESP_LOGI(TAG, "Deleting i2s tx and rx channels");
free(tx_buffer);
TEST_ESP_OK(i2s_del_channel(i2s_tdm_rx_handle));
TEST_ESP_OK(i2s_del_channel(i2s_tdm_tx_handle));
ESP_LOGI(TAG, "I2S TDM master resources freed");
TEST_ASSERT_TRUE_MESSAGE(read_ret == ESP_OK, "Master read timeout ");
TEST_ASSERT_TRUE_MESSAGE(fail_cnt < TEST_I2S_MAX_FAIL_CNT, "Broken data received ");
TEST_ASSERT_TRUE_MESSAGE(time < TEST_I2S_FRAME_TIMEOUT_SEC, "Waiting for valid data timeout ");
TEST_ASSERT_TRUE_MESSAGE(fail_cnt < TEST_I2S_MAX_FAIL_CNT, "Exceed retry times ");
TEST_ASSERT_EQUAL_UINT32(TEST_I2S_MAX_DATA, count);
}
static void test_i2s_tdm_slave(uint32_t sample_rate, i2s_data_bit_width_t bit_width, i2s_tdm_slot_mask_t slot_mask)
@ -210,13 +156,7 @@ static void test_i2s_tdm_slave(uint32_t sample_rate, i2s_data_bit_width_t bit_wi
i2s_tdm_config_t i2s_tdm_config = {
.clk_cfg = I2S_TDM_CLK_DEFAULT_CONFIG(sample_rate),
.slot_cfg = I2S_TDM_PHILIPS_SLOT_DEFAULT_CONFIG(bit_width, I2S_SLOT_MODE_STEREO, slot_mask),
.gpio_cfg = {
.mclk = GPIO_NUM_NC,
.bclk = TEST_I2S_BCK_IO,
.ws = TEST_I2S_WS_IO,
.dout = TEST_I2S_DI_IO,
.din = TEST_I2S_DO_IO // on slave, swap DI and DO pin
},
.gpio_cfg = TEST_I2S_DEFAULT_GPIO(GPIO_NUM_NC, false),
};
if (sample_rate >= 96000) {
i2s_tdm_config.clk_cfg.bclk_div = 12;
@ -226,39 +166,35 @@ static void test_i2s_tdm_slave(uint32_t sample_rate, i2s_data_bit_width_t bit_wi
/* Allocate I2S rx buffer */
uint32_t channel_count = 32 - __builtin_clz(slot_mask);
uint32_t rx_buffer_size = TEST_I2S_FRAME_SIZE * channel_count * (bit_width / 8);
ESP_LOGI(TAG, "Allocating I2S TDM slave buffer, size=%ld", rx_buffer_size);
uint32_t *rx_buffer = malloc(rx_buffer_size);
TEST_ASSERT(rx_buffer);
uint32_t buffer_size = TEST_I2S_FRAME_SIZE * channel_count * (bit_width / 8);
ESP_LOGI(TAG, "Allocating I2S TDM slave buffer, size=%"PRIu32, buffer_size);
uint32_t *echo_buffer = malloc(buffer_size);
TEST_ASSERT(echo_buffer);
TEST_ESP_OK(i2s_channel_enable(i2s_tdm_rx_handle));
TEST_ESP_OK(i2s_channel_enable(i2s_tdm_tx_handle));
unity_send_signal("Slave Ready");
unity_wait_for_signal("Master Ready");
TEST_ESP_OK(i2s_channel_enable(i2s_tdm_rx_handle));
TEST_ESP_OK(i2s_channel_enable(i2s_tdm_tx_handle));
ESP_LOGI(TAG, "I2S TDM slave receive & send start");
size_t bytes_read = 0, bytes_written = 0;
/* Loop until reading or writing failed, which indicates the master has finished and deleted the I2S peripheral */
while (true) {
if (i2s_channel_read(i2s_tdm_rx_handle, rx_buffer, rx_buffer_size, &bytes_read, 500) != ESP_OK) {
if (i2s_channel_read(i2s_tdm_rx_handle, echo_buffer, buffer_size, &bytes_read, 500) != ESP_OK) {
break;
}
if (i2s_channel_write(i2s_tdm_tx_handle, rx_buffer, rx_buffer_size, &bytes_written, 500) != ESP_OK) {
if (i2s_channel_write(i2s_tdm_tx_handle, echo_buffer, buffer_size, &bytes_written, 500) != ESP_OK) {
break;
}
}
unity_wait_for_signal("Master Finished");
ESP_LOGI(TAG, "I2S TDM slave receive stop");
TEST_ESP_OK(i2s_channel_disable(i2s_tdm_rx_handle));
TEST_ESP_OK(i2s_channel_disable(i2s_tdm_tx_handle));
ESP_LOGI(TAG, "Freeing I2S TDM slave buffer");
free(rx_buffer);
ESP_LOGI(TAG, "Deleting i2s tx and rx channels");
free(echo_buffer);
TEST_ESP_OK(i2s_del_channel(i2s_tdm_rx_handle));
TEST_ESP_OK(i2s_del_channel(i2s_tdm_tx_handle));
ESP_LOGI(TAG, "I2S TDM slave resources freed");
}
static void test_i2s_tdm_master_48k_32bits_4slots(void)
@ -334,3 +270,125 @@ static void test_i2s_tdm_slave_96k_16bits_4slots(void)
TEST_CASE_MULTIPLE_DEVICES("I2S_TDM_full_duplex_test_in_96k_16bits_4slots", "[I2S_TDM]",
test_i2s_tdm_master_96k_16bits_4slots, test_i2s_tdm_slave_96k_16bits_4slots);
#endif // !CONFIG_IDF_TARGET_ESP32H2
static void test_i2s_external_clk_src(bool is_master, bool is_external)
{
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, is_master ? I2S_ROLE_MASTER : I2S_ROLE_SLAVE);
TEST_ESP_OK(i2s_new_channel(&chan_cfg, &tx_handle, &rx_handle));
i2s_std_config_t std_cfg = {
.clk_cfg = I2S_STD_CLK_DEFAULT_CONFIG(44100),
.slot_cfg = I2S_STD_MSB_SLOT_DEFAULT_CONFIG(16, I2S_SLOT_MODE_STEREO),
.gpio_cfg = TEST_I2S_DEFAULT_GPIO(TEST_I2S_MCK_IO, is_master),
};
if (is_external) {
std_cfg.clk_cfg.clk_src = I2S_CLK_SRC_EXTERNAL;
std_cfg.clk_cfg.ext_clk_freq_hz = 11289600;
}
TEST_ESP_OK(i2s_channel_init_std_mode(tx_handle, &std_cfg));
if (is_master && !is_external) {
i2s_std_slot_config_t slot_cfg = I2S_STD_PHILIPS_SLOT_DEFAULT_CONFIG(16, I2S_SLOT_MODE_STEREO);
memcpy(&std_cfg.slot_cfg, &slot_cfg, sizeof(i2s_std_slot_config_t));
}
TEST_ESP_OK(i2s_channel_init_std_mode(rx_handle, &std_cfg));
if (is_master) {
if (!is_external) {
// Delay bclk to get compensate the data delay
I2S0.rx_timing.rx_bck_out_dm = 1;
}
uint8_t mst_tx_data[4] = {0x12, 0x34, 0x56, 0x78};
size_t w_bytes = 4;
while (w_bytes == 4) {
ESP_ERROR_CHECK(i2s_channel_preload_data(tx_handle, mst_tx_data, 4, &w_bytes));
}
}
uint8_t *recv_buff = (uint8_t *)calloc(1, TEST_I2S_ARRAY_LENGTH);
TEST_ASSERT(recv_buff);
unity_send_signal(is_master ? "Master Ready" : "Slave Ready");
unity_wait_for_signal(is_master ? "Slave Ready" : "Master Ready");
if (is_external) {
unity_wait_for_signal("External Clock Ready");
}
TEST_ESP_OK(i2s_channel_enable(tx_handle));
TEST_ESP_OK(i2s_channel_enable(rx_handle));
if (!is_external) {
unity_send_signal("External Clock Ready");
}
bool is_success = false;
size_t bytes_read = 0;
if (is_master) {
if (is_external) {
unity_send_signal("Master Data Ready");
}
// Wait the Slave data ready on line
unity_wait_for_signal("Slave Data Ready");
vTaskDelay(pdMS_TO_TICKS(100)); // Wait another 100 ms for the data to be steady in DMA buffer
TEST_ESP_OK(i2s_channel_read(rx_handle, recv_buff, TEST_I2S_ARRAY_LENGTH, &bytes_read, 1000));
} else {
if (!is_external) {
unity_wait_for_signal("Master Data Ready");
}
TEST_ESP_OK(i2s_channel_read(rx_handle, recv_buff, TEST_I2S_ARRAY_LENGTH, &bytes_read, 1000));
// Fill the DMA buffer
for (int i = 0; i < 6; i++) {
TEST_ESP_OK(i2s_channel_write(tx_handle, recv_buff, TEST_I2S_ARRAY_LENGTH, &bytes_read, 1000));
}
// Send the signal indicates the data have been ready on line
unity_send_signal("Slave Data Ready");
}
// Check the data
for (int i = 0; i < TEST_I2S_ARRAY_LENGTH; i++) {
if (recv_buff[i] == 0x12 && recv_buff[i + 1] == 0x34 &&
recv_buff[i + 2] == 0x56 && recv_buff[i + 3] == 0x78) {
is_success = true;
break;
}
printf("%x ", recv_buff[i]);
}
printf("\n");
if (is_master) {
unity_send_signal("Master Finished");
} else {
unity_wait_for_signal("Master Finished");
}
// Disable and free the resources
TEST_ESP_OK(i2s_channel_disable(rx_handle));
TEST_ESP_OK(i2s_channel_disable(tx_handle));
free(recv_buff);
TEST_ESP_OK(i2s_del_channel(rx_handle));
TEST_ESP_OK(i2s_del_channel(tx_handle));
// Assert whether the test success
TEST_ASSERT(is_success);
}
static void test_i2s_master_clock_out(void)
{
test_i2s_external_clk_src(true, false);
}
static void test_i2s_slave_clock_in(void)
{
test_i2s_external_clk_src(false, true);
}
TEST_CASE_MULTIPLE_DEVICES("I2S_external_clock_master_output_slave_input", "[I2S]",
test_i2s_master_clock_out, test_i2s_slave_clock_in);
static void test_i2s_master_clock_in(void)
{
test_i2s_external_clk_src(true, true);
}
static void test_i2s_slave_clock_out(void)
{
test_i2s_external_clk_src(false, false);
}
TEST_CASE_MULTIPLE_DEVICES("I2S_external_clock_master_input_slave_output", "[I2S]",
test_i2s_master_clock_in, test_i2s_slave_clock_out);

View File

@ -11,5 +11,5 @@ import pytest
@pytest.mark.parametrize('count', [
2,
], indirect=True)
def test_i2s_tdm_full_duplex(case_tester) -> None: # type: ignore
case_tester.run_all_cases(timeout=30)
def test_i2s_multi_dev(case_tester) -> None: # type: ignore
case_tester.run_all_multi_dev_cases(reset=True, timeout=30)

View File

@ -207,6 +207,9 @@ static inline void i2s_ll_tx_clk_set_src(i2s_dev_t *hw, i2s_clock_src_t src)
case I2S_CLK_SRC_PLL_160M:
hw->tx_clkm_conf.tx_clk_sel = 2;
break;
case I2S_CLK_SRC_EXTERNAL:
hw->tx_clkm_conf.tx_clk_sel = 3;
break;
default:
HAL_ASSERT(false && "unsupported clock source");
break;
@ -229,6 +232,9 @@ static inline void i2s_ll_rx_clk_set_src(i2s_dev_t *hw, i2s_clock_src_t src)
case I2S_CLK_SRC_PLL_160M:
hw->rx_clkm_conf.rx_clk_sel = 2;
break;
case I2S_CLK_SRC_EXTERNAL:
hw->rx_clkm_conf.rx_clk_sel = 3;
break;
default:
HAL_ASSERT(false && "unsupported clock source");
break;

View File

@ -217,6 +217,9 @@ static inline void i2s_ll_tx_clk_set_src(i2s_dev_t *hw, i2s_clock_src_t src)
case I2S_CLK_SRC_PLL_160M:
PCR.i2s_tx_clkm_conf.i2s_tx_clkm_sel = 2;
break;
case I2S_CLK_SRC_EXTERNAL:
PCR.i2s_tx_clkm_conf.i2s_tx_clkm_sel = 3;
break;
default:
HAL_ASSERT(false && "unsupported clock source");
break;
@ -240,6 +243,9 @@ static inline void i2s_ll_rx_clk_set_src(i2s_dev_t *hw, i2s_clock_src_t src)
case I2S_CLK_SRC_PLL_160M:
PCR.i2s_rx_clkm_conf.i2s_rx_clkm_sel = 2;
break;
case I2S_CLK_SRC_EXTERNAL:
PCR.i2s_rx_clkm_conf.i2s_rx_clkm_sel = 3;
break;
default:
HAL_ASSERT(false && "unsupported clock source");
break;

View File

@ -221,6 +221,9 @@ static inline void i2s_ll_tx_clk_set_src(i2s_dev_t *hw, i2s_clock_src_t src)
case I2S_CLK_SRC_PLL_64M:
PCR.i2s_tx_clkm_conf.i2s_tx_clkm_sel = 2;
break;
case I2S_CLK_SRC_EXTERNAL:
PCR.i2s_tx_clkm_conf.i2s_tx_clkm_sel = 3;
break;
default:
HAL_ASSERT(false && "unsupported clock source");
break;
@ -247,6 +250,9 @@ static inline void i2s_ll_rx_clk_set_src(i2s_dev_t *hw, i2s_clock_src_t src)
case I2S_CLK_SRC_PLL_64M:
PCR.i2s_rx_clkm_conf.i2s_rx_clkm_sel = 2;
break;
case I2S_CLK_SRC_EXTERNAL:
PCR.i2s_rx_clkm_conf.i2s_rx_clkm_sel = 3;
break;
default:
HAL_ASSERT(false && "unsupported clock source");
break;

View File

@ -208,6 +208,9 @@ static inline void i2s_ll_tx_clk_set_src(i2s_dev_t *hw, i2s_clock_src_t src)
case I2S_CLK_SRC_PLL_160M:
hw->tx_clkm_conf.tx_clk_sel = 2;
break;
case I2S_CLK_SRC_EXTERNAL:
hw->tx_clkm_conf.tx_clk_sel = 3;
break;
default:
HAL_ASSERT(false && "unsupported clock source");
break;
@ -230,6 +233,9 @@ static inline void i2s_ll_rx_clk_set_src(i2s_dev_t *hw, i2s_clock_src_t src)
case I2S_CLK_SRC_PLL_160M:
hw->rx_clkm_conf.rx_clk_sel = 2;
break;
case I2S_CLK_SRC_EXTERNAL:
hw->rx_clkm_conf.rx_clk_sel = 3;
break;
default:
HAL_ASSERT(false && "unsupported clock source");
break;

View File

@ -13,6 +13,7 @@
const i2s_signal_conn_t i2s_periph_signal[SOC_I2S_NUM] = {
{
.mck_out_sig = -1, // Unavailable
.mck_in_sig = -1, // Unavailable
.m_tx_bck_sig = I2S0O_BCK_OUT_IDX,
.m_rx_bck_sig = I2S0I_BCK_OUT_IDX,
@ -32,6 +33,7 @@ const i2s_signal_conn_t i2s_periph_signal[SOC_I2S_NUM] = {
},
{
.mck_out_sig = -1, // Unavailable
.mck_in_sig = -1, // Unavailable
.m_tx_bck_sig = I2S1O_BCK_OUT_IDX,
.m_rx_bck_sig = I2S1I_BCK_OUT_IDX,

View File

@ -13,6 +13,7 @@
const i2s_signal_conn_t i2s_periph_signal[SOC_I2S_NUM] = {
{
.mck_out_sig = I2S_MCLK_OUT_IDX,
.mck_in_sig = I2S_MCLK_IN_IDX,
.m_tx_bck_sig = I2SO_BCK_OUT_IDX,
.m_rx_bck_sig = I2SI_BCK_OUT_IDX,

View File

@ -216,7 +216,7 @@ typedef enum {
/**
* @brief Array initializer for all supported clock sources of I2S
*/
#define SOC_I2S_CLKS {SOC_MOD_CLK_PLL_F160M, SOC_MOD_CLK_XTAL}
#define SOC_I2S_CLKS {SOC_MOD_CLK_PLL_F160M, SOC_MOD_CLK_XTAL, I2S_CLK_SRC_EXTERNAL}
/**
* @brief I2S clock source enum
@ -225,6 +225,7 @@ typedef enum {
I2S_CLK_SRC_DEFAULT = SOC_MOD_CLK_PLL_F160M, /*!< Select PLL_F160M as the default source clock */
I2S_CLK_SRC_PLL_160M = SOC_MOD_CLK_PLL_F160M, /*!< Select PLL_F160M as the source clock */
I2S_CLK_SRC_XTAL = SOC_MOD_CLK_XTAL, /*!< Select XTAL as the source clock */
I2S_CLK_SRC_EXTERNAL = -1, /*!< Select external clock as source clock */
} soc_periph_i2s_clk_src_t;
/////////////////////////////////////////////////I2C////////////////////////////////////////////////////////////////////

View File

@ -13,6 +13,7 @@
const i2s_signal_conn_t i2s_periph_signal[SOC_I2S_NUM] = {
{
.mck_out_sig = I2S_MCLK_OUT_IDX,
.mck_in_sig = I2S_MCLK_IN_IDX,
.m_tx_bck_sig = I2SO_BCK_OUT_IDX,
.m_rx_bck_sig = I2SI_BCK_OUT_IDX,

View File

@ -285,7 +285,7 @@ typedef enum {
/**
* @brief Array initializer for all supported clock sources of I2S
*/
#define SOC_I2S_CLKS {SOC_MOD_CLK_PLL_F160M, SOC_MOD_CLK_XTAL}
#define SOC_I2S_CLKS {SOC_MOD_CLK_PLL_F160M, SOC_MOD_CLK_XTAL, I2S_CLK_SRC_EXTERNAL}
/**
* @brief I2S clock source enum
@ -294,6 +294,7 @@ typedef enum {
I2S_CLK_SRC_DEFAULT = SOC_MOD_CLK_PLL_F160M, /*!< Select PLL_F160M as the default source clock */
I2S_CLK_SRC_PLL_160M = SOC_MOD_CLK_PLL_F160M, /*!< Select PLL_F160M as the source clock */
I2S_CLK_SRC_XTAL = SOC_MOD_CLK_XTAL, /*!< Select XTAL as the source clock */
I2S_CLK_SRC_EXTERNAL = -1, /*!< Select external clock as source clock */
} soc_periph_i2s_clk_src_t;
/////////////////////////////////////////////////I2C////////////////////////////////////////////////////////////////////

View File

@ -13,6 +13,7 @@
const i2s_signal_conn_t i2s_periph_signal[SOC_I2S_NUM] = {
{
.mck_out_sig = I2S_MCLK_OUT_IDX,
.mck_in_sig = I2S_MCLK_IN_IDX,
.m_tx_bck_sig = I2SO_BCK_OUT_IDX,
.m_rx_bck_sig = I2SI_BCK_OUT_IDX,

View File

@ -283,7 +283,7 @@ typedef enum {
/**
* @brief Array initializer for all supported clock sources of I2S
*/
#define SOC_I2S_CLKS {SOC_MOD_CLK_PLL_F96M, SOC_MOD_CLK_PLL_F64M, SOC_MOD_CLK_XTAL}
#define SOC_I2S_CLKS {SOC_MOD_CLK_PLL_F96M, SOC_MOD_CLK_PLL_F64M, SOC_MOD_CLK_XTAL, I2S_CLK_SRC_EXTERNAL}
/**
* @brief I2S clock source enum
@ -293,6 +293,7 @@ typedef enum {
I2S_CLK_SRC_PLL_96M = SOC_MOD_CLK_PLL_F96M, /*!< Select PLL_F96M as the source clock */
I2S_CLK_SRC_PLL_64M = SOC_MOD_CLK_PLL_F64M, /*!< Select PLL_F64M as the source clock */
I2S_CLK_SRC_XTAL = SOC_MOD_CLK_XTAL, /*!< Select XTAL as the source clock */
I2S_CLK_SRC_EXTERNAL = -1, /*!< Select external clock as source clock */
} soc_periph_i2s_clk_src_t;
/////////////////////////////////////////////////I2C////////////////////////////////////////////////////////////////////

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@ -13,6 +13,7 @@
const i2s_signal_conn_t i2s_periph_signal[SOC_I2S_NUM] = {
{
.mck_out_sig = CLK_I2S_MUX_IDX,
.mck_in_sig = -1, // Unavailable
.m_tx_bck_sig = I2S0O_BCK_OUT_IDX,
.m_rx_bck_sig = I2S0I_BCK_OUT_IDX,

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@ -13,6 +13,7 @@
const i2s_signal_conn_t i2s_periph_signal[SOC_I2S_NUM] = {
{
.mck_out_sig = I2S0_MCLK_OUT_IDX,
.mck_in_sig = I2S0_MCLK_IN_IDX,
.m_tx_bck_sig = I2S0O_BCK_OUT_IDX,
.m_rx_bck_sig = I2S0I_BCK_OUT_IDX,
@ -36,6 +37,7 @@ const i2s_signal_conn_t i2s_periph_signal[SOC_I2S_NUM] = {
},
{
.mck_out_sig = I2S1_MCLK_OUT_IDX,
.mck_in_sig = I2S1_MCLK_IN_IDX,
.m_tx_bck_sig = I2S1O_BCK_OUT_IDX,
.m_rx_bck_sig = I2S1I_BCK_OUT_IDX,

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@ -275,7 +275,7 @@ typedef enum {
/**
* @brief Array initializer for all supported clock sources of I2S
*/
#define SOC_I2S_CLKS {SOC_MOD_CLK_PLL_F160M, SOC_MOD_CLK_XTAL}
#define SOC_I2S_CLKS {SOC_MOD_CLK_PLL_F160M, SOC_MOD_CLK_XTAL, I2S_CLK_SRC_EXTERNAL}
/**
* @brief I2S clock source enum
@ -284,6 +284,7 @@ typedef enum {
I2S_CLK_SRC_DEFAULT = SOC_MOD_CLK_PLL_F160M, /*!< Select PLL_F160M as the default source clock */
I2S_CLK_SRC_PLL_160M = SOC_MOD_CLK_PLL_F160M, /*!< Select PLL_F160M as the source clock */
I2S_CLK_SRC_XTAL = SOC_MOD_CLK_XTAL, /*!< Select XTAL as the source clock */
I2S_CLK_SRC_EXTERNAL = -1, /*!< Select external clock as source clock */
} soc_periph_i2s_clk_src_t;
/////////////////////////////////////////////////I2C////////////////////////////////////////////////////////////////////

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@ -24,6 +24,7 @@ extern "C" {
*/
typedef struct {
const uint8_t mck_out_sig;
const uint8_t mck_in_sig;
const uint8_t m_tx_bck_sig;
const uint8_t m_rx_bck_sig;