Merge branch 'feat/gpio_reserve_rmt' into 'master'

Check GPIO reservation in the RMT driver

Closes IDF-9199 and IDF-9104

See merge request espressif/esp-idf!29130
This commit is contained in:
morris 2024-03-09 23:58:52 +08:00
commit 60a2bf6a68
14 changed files with 123 additions and 88 deletions

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@ -46,7 +46,7 @@ typedef struct {
typedef struct {
int source; /*!< ISR source */
int intr_alloc_flags; /*!< ISR alloc flag */
void (*fn)(void*); /*!< ISR function */
void (*fn)(void *); /*!< ISR function */
void *arg; /*!< ISR function args*/
void *handle; /*!< ISR handle */
esp_err_t ret;
@ -1016,7 +1016,7 @@ esp_err_t gpio_dump_io_configuration(FILE *out_stream, uint64_t io_bit_mask)
uint32_t drv, fun_sel, sig_out;
gpio_hal_get_io_config(gpio_context.gpio_hal, gpio_num, &pu, &pd, &ie, &oe, &od, &drv, &fun_sel, &sig_out, &slp_sel);
fprintf(out_stream, "IO[%"PRIu32"]%s -\n", gpio_num, esp_gpio_is_pin_reserved(gpio_num) ? " **RESERVED**" : "");
fprintf(out_stream, "IO[%"PRIu32"]%s -\n", gpio_num, esp_gpio_is_reserved(BIT64(gpio_num)) ? " **RESERVED**" : "");
fprintf(out_stream, " Pullup: %d, Pulldown: %d, DriveCap: %"PRIu32"\n", pu, pd, drv);
fprintf(out_stream, " InputEn: %d, OutputEn: %d, OpenDrain: %d\n", ie, oe, od);
fprintf(out_stream, " FuncSel: %"PRIu32" (%s)\n", fun_sel, (fun_sel == PIN_FUNC_GPIO) ? "GPIO" : "IOMUX");

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@ -205,7 +205,6 @@ esp_err_t rmt_apply_carrier(rmt_channel_handle_t channel, const rmt_carrier_conf
esp_err_t rmt_del_channel(rmt_channel_handle_t channel)
{
ESP_RETURN_ON_FALSE(channel, ESP_ERR_INVALID_ARG, TAG, "invalid argument");
gpio_reset_pin(channel->gpio_num);
return channel->del(channel);
}

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@ -24,6 +24,7 @@
#include "esp_pm.h"
#include "esp_attr.h"
#include "esp_private/gdma.h"
#include "esp_private/esp_gpio_reserve.h"
#include "driver/rmt_common.h"
#ifdef __cplusplus

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@ -146,6 +146,9 @@ static void rmt_rx_unregister_from_group(rmt_channel_t *channel, rmt_group_t *gr
static esp_err_t rmt_rx_destroy(rmt_rx_channel_t *rx_channel)
{
if (rx_channel->base.gpio_num >= 0) {
gpio_reset_pin(rx_channel->base.gpio_num);
}
if (rx_channel->base.intr) {
ESP_RETURN_ON_ERROR(esp_intr_free(rx_channel->base.intr), TAG, "delete interrupt service failed");
}
@ -177,21 +180,23 @@ esp_err_t rmt_new_rx_channel(const rmt_rx_channel_config_t *config, rmt_channel_
rmt_rx_channel_t *rx_channel = NULL;
// Check if priority is valid
if (config->intr_priority) {
ESP_GOTO_ON_FALSE((config->intr_priority) > 0, ESP_ERR_INVALID_ARG, err, TAG, "invalid interrupt priority:%d", config->intr_priority);
ESP_GOTO_ON_FALSE(1 << (config->intr_priority) & RMT_ALLOW_INTR_PRIORITY_MASK, ESP_ERR_INVALID_ARG, err, TAG, "invalid interrupt priority:%d", config->intr_priority);
ESP_RETURN_ON_FALSE((config->intr_priority) > 0, ESP_ERR_INVALID_ARG, TAG, "invalid interrupt priority:%d", config->intr_priority);
ESP_RETURN_ON_FALSE(1 << (config->intr_priority) & RMT_ALLOW_INTR_PRIORITY_MASK, ESP_ERR_INVALID_ARG, TAG, "invalid interrupt priority:%d", config->intr_priority);
}
ESP_GOTO_ON_FALSE(config && ret_chan && config->resolution_hz, ESP_ERR_INVALID_ARG, err, TAG, "invalid argument");
ESP_GOTO_ON_FALSE(GPIO_IS_VALID_GPIO(config->gpio_num), ESP_ERR_INVALID_ARG, err, TAG, "invalid GPIO number");
ESP_GOTO_ON_FALSE((config->mem_block_symbols & 0x01) == 0 && config->mem_block_symbols >= SOC_RMT_MEM_WORDS_PER_CHANNEL,
ESP_ERR_INVALID_ARG, err, TAG, "mem_block_symbols must be even and at least %d", SOC_RMT_MEM_WORDS_PER_CHANNEL);
ESP_RETURN_ON_FALSE(config && ret_chan && config->resolution_hz, ESP_ERR_INVALID_ARG, TAG, "invalid argument");
ESP_RETURN_ON_FALSE(GPIO_IS_VALID_GPIO(config->gpio_num), ESP_ERR_INVALID_ARG, TAG, "invalid GPIO number %d", config->gpio_num);
ESP_RETURN_ON_FALSE((config->mem_block_symbols & 0x01) == 0 && config->mem_block_symbols >= SOC_RMT_MEM_WORDS_PER_CHANNEL,
ESP_ERR_INVALID_ARG, TAG, "mem_block_symbols must be even and at least %d", SOC_RMT_MEM_WORDS_PER_CHANNEL);
#if !SOC_RMT_SUPPORT_DMA
ESP_GOTO_ON_FALSE(config->flags.with_dma == 0, ESP_ERR_NOT_SUPPORTED, err, TAG, "DMA not supported");
ESP_RETURN_ON_FALSE(config->flags.with_dma == 0, ESP_ERR_NOT_SUPPORTED, TAG, "DMA not supported");
#endif // SOC_RMT_SUPPORT_DMA
// malloc channel memory
uint32_t mem_caps = RMT_MEM_ALLOC_CAPS;
rx_channel = heap_caps_calloc(1, sizeof(rmt_rx_channel_t), mem_caps);
ESP_GOTO_ON_FALSE(rx_channel, ESP_ERR_NO_MEM, err, TAG, "no mem for rx channel");
// gpio is not configured yet
rx_channel->base.gpio_num = -1;
// create DMA descriptor
size_t num_dma_nodes = 0;
if (config->flags.with_dma) {
@ -266,16 +271,16 @@ esp_err_t rmt_new_rx_channel(const rmt_rx_channel_config_t *config, rmt_channel_
#endif
// GPIO Matrix/MUX configuration
rx_channel->base.gpio_num = config->gpio_num;
gpio_config_t gpio_conf = {
.intr_type = GPIO_INTR_DISABLE,
// also enable the input path is `io_loop_back` is on, this is useful for debug
.mode = GPIO_MODE_INPUT | (config->flags.io_loop_back ? GPIO_MODE_OUTPUT : 0),
.pull_down_en = false,
.pull_up_en = true,
.pin_bit_mask = 1ULL << config->gpio_num,
.pin_bit_mask = BIT64(config->gpio_num),
};
ESP_GOTO_ON_ERROR(gpio_config(&gpio_conf), err, TAG, "config GPIO failed");
rx_channel->base.gpio_num = config->gpio_num;
esp_rom_gpio_connect_in_signal(config->gpio_num,
rmt_periph_signals.groups[group_id].channels[channel_id + RMT_RX_CHANNEL_OFFSET_IN_GROUP].rx_sig,
config->flags.invert_in);

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@ -185,6 +185,10 @@ exit:
static esp_err_t rmt_tx_destroy(rmt_tx_channel_t *tx_channel)
{
if (tx_channel->base.gpio_num >= 0) {
gpio_reset_pin(tx_channel->base.gpio_num);
esp_gpio_revoke(BIT64(tx_channel->base.gpio_num));
}
if (tx_channel->base.intr) {
ESP_RETURN_ON_ERROR(esp_intr_free(tx_channel->base.intr), TAG, "delete interrupt service failed");
}
@ -227,24 +231,26 @@ esp_err_t rmt_new_tx_channel(const rmt_tx_channel_config_t *config, rmt_channel_
ESP_RETURN_ON_FALSE((config->intr_priority) > 0, ESP_ERR_INVALID_ARG, TAG, "invalid interrupt priority:%d", config->intr_priority);
ESP_RETURN_ON_FALSE(1 << (config->intr_priority) & RMT_ALLOW_INTR_PRIORITY_MASK, ESP_ERR_INVALID_ARG, TAG, "invalid interrupt priority:%d", config->intr_priority);
}
ESP_GOTO_ON_FALSE(config && ret_chan && config->resolution_hz && config->trans_queue_depth, ESP_ERR_INVALID_ARG, err, TAG, "invalid argument");
ESP_GOTO_ON_FALSE(GPIO_IS_VALID_GPIO(config->gpio_num), ESP_ERR_INVALID_ARG, err, TAG, "invalid GPIO number");
ESP_GOTO_ON_FALSE((config->mem_block_symbols & 0x01) == 0 && config->mem_block_symbols >= SOC_RMT_MEM_WORDS_PER_CHANNEL,
ESP_ERR_INVALID_ARG, err, TAG, "mem_block_symbols must be even and at least %d", SOC_RMT_MEM_WORDS_PER_CHANNEL);
ESP_RETURN_ON_FALSE(config && ret_chan && config->resolution_hz && config->trans_queue_depth, ESP_ERR_INVALID_ARG, TAG, "invalid argument");
ESP_RETURN_ON_FALSE(GPIO_IS_VALID_OUTPUT_GPIO(config->gpio_num), ESP_ERR_INVALID_ARG, TAG, "invalid GPIO number %d", config->gpio_num);
ESP_RETURN_ON_FALSE((config->mem_block_symbols & 0x01) == 0 && config->mem_block_symbols >= SOC_RMT_MEM_WORDS_PER_CHANNEL,
ESP_ERR_INVALID_ARG, TAG, "mem_block_symbols must be even and at least %d", SOC_RMT_MEM_WORDS_PER_CHANNEL);
#if SOC_RMT_SUPPORT_DMA
// we only support 2 nodes ping-pong, if the configured memory block size needs more than two DMA descriptors, should treat it as invalid
ESP_GOTO_ON_FALSE(config->mem_block_symbols <= RMT_DMA_DESC_BUF_MAX_SIZE * RMT_DMA_NODES_PING_PONG / sizeof(rmt_symbol_word_t),
ESP_ERR_INVALID_ARG, err, TAG, "mem_block_symbols can't exceed %d",
RMT_DMA_DESC_BUF_MAX_SIZE * RMT_DMA_NODES_PING_PONG / sizeof(rmt_symbol_word_t));
ESP_RETURN_ON_FALSE(config->mem_block_symbols <= RMT_DMA_DESC_BUF_MAX_SIZE * RMT_DMA_NODES_PING_PONG / sizeof(rmt_symbol_word_t),
ESP_ERR_INVALID_ARG, TAG, "mem_block_symbols can't exceed %d",
RMT_DMA_DESC_BUF_MAX_SIZE * RMT_DMA_NODES_PING_PONG / sizeof(rmt_symbol_word_t));
#else
ESP_GOTO_ON_FALSE(config->flags.with_dma == 0, ESP_ERR_NOT_SUPPORTED, err, TAG, "DMA not supported");
ESP_RETURN_ON_FALSE(config->flags.with_dma == 0, ESP_ERR_NOT_SUPPORTED, TAG, "DMA not supported");
#endif
// malloc channel memory
uint32_t mem_caps = RMT_MEM_ALLOC_CAPS;
tx_channel = heap_caps_calloc(1, sizeof(rmt_tx_channel_t) + sizeof(rmt_tx_trans_desc_t) * config->trans_queue_depth, mem_caps);
ESP_GOTO_ON_FALSE(tx_channel, ESP_ERR_NO_MEM, err, TAG, "no mem for tx channel");
// GPIO configuration is not done yet
tx_channel->base.gpio_num = -1;
// create DMA descriptors
if (config->flags.with_dma) {
mem_caps |= MALLOC_CAP_INTERNAL | MALLOC_CAP_DMA;
@ -312,20 +318,26 @@ esp_err_t rmt_new_tx_channel(const rmt_tx_channel_config_t *config, rmt_channel_
rmt_ll_tx_enable_wrap(hal->regs, channel_id, true);
// GPIO Matrix/MUX configuration
tx_channel->base.gpio_num = config->gpio_num;
gpio_config_t gpio_conf = {
.intr_type = GPIO_INTR_DISABLE,
// also enable the input path if `io_loop_back` is on, this is useful for bi-directional buses
.mode = (config->flags.io_od_mode ? GPIO_MODE_OUTPUT_OD : GPIO_MODE_OUTPUT) | (config->flags.io_loop_back ? GPIO_MODE_INPUT : 0),
.pull_down_en = false,
.pull_up_en = true,
.pin_bit_mask = 1ULL << config->gpio_num,
.pin_bit_mask = BIT64(config->gpio_num),
};
ESP_GOTO_ON_ERROR(gpio_config(&gpio_conf), err, TAG, "config GPIO failed");
// reserve the GPIO output path, because we don't expect another peripheral to signal to the same GPIO
uint64_t old_gpio_rsv_mask = esp_gpio_reserve(BIT64(config->gpio_num));
// check if the GPIO is already used by others, RMT TX channel only uses the output path of the GPIO
if (old_gpio_rsv_mask & BIT64(config->gpio_num)) {
ESP_LOGW(TAG, "GPIO %d is not usable, maybe conflict with others", config->gpio_num);
}
esp_rom_gpio_connect_out_signal(config->gpio_num,
rmt_periph_signals.groups[group_id].channels[channel_id + RMT_TX_CHANNEL_OFFSET_IN_GROUP].tx_sig,
config->flags.invert_out, false);
gpio_hal_iomux_func_sel(GPIO_PIN_MUX_REG[config->gpio_num], PIN_FUNC_GPIO);
tx_channel->base.gpio_num = config->gpio_num;
portMUX_INITIALIZE(&tx_channel->base.spinlock);
atomic_init(&tx_channel->base.fsm, RMT_FSM_INIT);

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@ -1,29 +1,30 @@
/*
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <stdatomic.h>
#include "soc/soc_caps.h"
#include "esp_types.h"
#include "esp_bit_defs.h"
#include "soc/soc_caps.h"
#include "esp_private/esp_gpio_reserve.h"
static uint64_t s_reserve_status = 0;
static _Atomic uint64_t s_reserved_pin_mask = ATOMIC_VAR_INIT(~(SOC_GPIO_VALID_OUTPUT_GPIO_MASK));
void esp_gpio_reserve_pins(uint64_t mask)
uint64_t esp_gpio_reserve(uint64_t gpio_mask)
{
#if SOC_GPIO_PIN_COUNT < 64
mask &= BIT64(SOC_GPIO_PIN_COUNT) - 1;
#endif
s_reserve_status |= mask;
return atomic_fetch_or(&s_reserved_pin_mask, gpio_mask);
}
bool esp_gpio_is_pin_reserved(uint32_t gpio_num)
uint64_t esp_gpio_revoke(uint64_t gpio_mask)
{
if (gpio_num >= SOC_GPIO_PIN_COUNT) {
return false;
}
return !!(s_reserve_status & BIT64(gpio_num));
return atomic_fetch_and(&s_reserved_pin_mask, ~gpio_mask);
}
bool esp_gpio_is_reserved(uint64_t gpio_mask)
{
return atomic_load(&s_reserved_pin_mask) & gpio_mask;
}
// TODO: IDF-6968 reserve the pins that not fanned out regarding the SiP version

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@ -1,18 +1,25 @@
/*
* SPDX-FileCopyrightText: 2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2023-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* File Introduction:
* This file is used to reserve the GPIOs runtime, which has been occupied by FLASH/PSRAM or
* the GPIOs that not fan out.
* Background:
*
* The FLASH pins can be tuned according to eFuse, pins will be reserved in the `esp_mspi_pin_init`
* while starting the CPU.
* - On some **modules**, specific GPIOs are connected to the PSRAM or Flash, and they shouldn't be used as general purpose IOs in the user's projects.
* - Some GPIO may be not fan-out in the SiP variant.
* - GPIO A is driven by peripheral M, we don't want peripheral N to use the same GPIO.
* - User may deliver a board where a GPIO is used for a special purpose or even not fan-out on the PCB, they want to reserve it in the BSP package.
* ...
*/
/**
* Usage Attention:
*
* As for the PSRAM pins, they are initialized after CPU started. They will be reserved in
* the `psram_gpio_config` when enabling the PSRAM.
* - If a GPIO is used by IO MUX, no matter it's used as Input or Output, we should reserve it, because IO MUX's different "FUNC" has its dedicated peripheral.
* - If a GPIO is used by Matrix, and only use its output path, we should reserve it, because we can't bind multiple peripheral output signals to the same GPIO.
* - When doing GPIO reserve, we must check its return value, to ensure the same GPIO is not reserved already.
*/
#pragma once
@ -24,22 +31,30 @@ extern "C" {
#endif
/**
* @brief Set the reserved pin
* @note A same gpio can be reserve repetitively, but can't be clear once it is reserved
* @brief Reserve the given GPIOs by mask, so they can't be used by others
*
* @param[in] mask Mask of GPIO reserved pins
* @param gpio_mask Mask of the GPIOs to be reserved
* @return The mask of the GPIOs that were already reserved before this call
*/
void esp_gpio_reserve_pins(uint64_t mask);
uint64_t esp_gpio_reserve(uint64_t gpio_mask);
/**
* @brief Check whether the pin has been reserved
* @brief Revoke the given GPIOs by mask, so they can be reused again by others
*
* @param[in] gpio_num GPIO pin number, please input a gpio number within `SOC_GPIO_PIN_COUNT`
* @return
* - true This gpio is reserved for FLASH or PSRAM
* - false This gpio is available for other purposes
* @param gpio_mask Mask of the GPIOs to be revoked
* @return The mask of the GPIOs that were already reserved before this call
*/
bool esp_gpio_is_pin_reserved(uint32_t gpio_num);
uint64_t esp_gpio_revoke(uint64_t gpio_mask);
/**
* @brief Check whether the given GPIOs are reserved
*
* @param gpio_mask Mask of the GPIOs to be checked
* @return
* - true Aay of the given GPIO(s) is reserved
* - false Aay of the given GPIO(s) is not reserved
*/
bool esp_gpio_is_reserved(uint64_t gpio_mask);
#ifdef __cplusplus
}

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@ -13,8 +13,6 @@ entries:
cpu: esp_cpu_compare_and_set (noflash)
esp_memory_utils (noflash)
rtc_clk (noflash)
esp_gpio_reserve: esp_gpio_reserve_pins (noflash)
esp_gpio_reserve: esp_gpio_is_pin_reserved (noflash)
if SOC_CONFIGURABLE_VDDSDIO_SUPPORTED = y:
rtc_init:rtc_vddsdio_get_config (noflash)
rtc_init:rtc_vddsdio_set_config (noflash)

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@ -1,13 +1,13 @@
/*
Driver bits for PSRAM chips (at the moment only the ESP-PSRAM32 chip).
*/
/*
* SPDX-FileCopyrightText: 2013-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2013-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
/*
Driver bits for PSRAM chips (at the moment only the ESP-PSRAM32 chip).
*/
#include "sdkconfig.h"
#include "string.h"
#include "esp_attr.h"
@ -829,14 +829,14 @@ static void IRAM_ATTR psram_gpio_config(psram_io_t *psram_io, psram_cache_speed_
}
// Reserve psram pins
esp_gpio_reserve_pins(BIT64(psram_io->flash_clk_io) |
BIT64(psram_io->flash_cs_io) |
BIT64(psram_io->psram_clk_io) |
BIT64(psram_io->psram_cs_io) |
BIT64(psram_io->psram_spiq_sd0_io) |
BIT64(psram_io->psram_spid_sd1_io) |
BIT64(psram_io->psram_spihd_sd2_io) |
BIT64(psram_io->psram_spiwp_sd3_io));
esp_gpio_reserve(BIT64(psram_io->flash_clk_io) |
BIT64(psram_io->flash_cs_io) |
BIT64(psram_io->psram_clk_io) |
BIT64(psram_io->psram_cs_io) |
BIT64(psram_io->psram_spiq_sd0_io) |
BIT64(psram_io->psram_spid_sd1_io) |
BIT64(psram_io->psram_spihd_sd2_io) |
BIT64(psram_io->psram_spiwp_sd3_io));
}
//used in UT only

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@ -1,13 +1,13 @@
/*
Driver bits for PSRAM chips (at the moment only the ESP-PSRAM32 chip).
*/
/*
* SPDX-FileCopyrightText: 2013-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2013-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
/*
Driver bits for PSRAM chips (at the moment only the ESP-PSRAM32 chip).
*/
#include "sdkconfig.h"
#include "string.h"
#include "esp_attr.h"
@ -383,14 +383,14 @@ static void IRAM_ATTR psram_gpio_config(psram_cache_speed_t mode)
s_psram_cs_io = psram_io.psram_cs_io;
// Preserve psram pins
esp_gpio_reserve_pins(BIT64(psram_io.flash_clk_io) |
BIT64(psram_io.flash_cs_io) |
BIT64(psram_io.psram_clk_io) |
BIT64(psram_io.psram_cs_io) |
BIT64(psram_io.psram_spiq_sd0_io) |
BIT64(psram_io.psram_spid_sd1_io) |
BIT64(psram_io.psram_spihd_sd2_io) |
BIT64(psram_io.psram_spiwp_sd3_io));
esp_gpio_reserve(BIT64(psram_io.flash_clk_io) |
BIT64(psram_io.flash_cs_io) |
BIT64(psram_io.psram_clk_io) |
BIT64(psram_io.psram_cs_io) |
BIT64(psram_io.psram_spiq_sd0_io) |
BIT64(psram_io.psram_spid_sd1_io) |
BIT64(psram_io.psram_spihd_sd2_io) |
BIT64(psram_io.psram_spiwp_sd3_io));
}
//used in UT only

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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2019-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2019-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -266,7 +266,7 @@ static void s_init_psram_pins(void)
REG_SET_FIELD(SPI_MEM_DATE_REG(0), SPI_MEM_SPI_SMEM_SPICLK_FUN_DRV, 3);
// Preserve psram pins
esp_gpio_reserve_pins(BIT64(OCT_PSRAM_CS1_IO));
esp_gpio_reserve(BIT64(OCT_PSRAM_CS1_IO));
}
/**

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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2013-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2013-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -299,7 +299,7 @@ static void psram_gpio_config(void)
esp_rom_spiflash_select_qio_pins(wp_io, spiconfig);
// Reserve psram pins
esp_gpio_reserve_pins(BIT64(cs1_io) | BIT64(wp_io));
esp_gpio_reserve(BIT64(cs1_io) | BIT64(wp_io));
}
esp_err_t esp_psram_impl_enable(void) //psram init

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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -50,3 +50,7 @@ esp_err_t esp_psram_impl_enable(void);
* @return psram CS IO
*/
uint8_t esp_psram_impl_get_cs_io(void);
#ifdef __cplusplus
}
#endif

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@ -1,5 +1,5 @@
/*
* SPDX-FileCopyrightText: 2015-2022 Espressif Systems (Shanghai) CO LTD
* SPDX-FileCopyrightText: 2015-2024 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
@ -153,7 +153,7 @@ void IRAM_ATTR esp_mspi_pin_init(void)
for (esp_mspi_io_t i = 0; i < ESP_MSPI_IO_MAX; i++) {
reserve_pin_mask |= BIT64(esp_mspi_get_io(i));
}
esp_gpio_reserve_pins(reserve_pin_mask);
esp_gpio_reserve(reserve_pin_mask);
}
esp_err_t IRAM_ATTR spi_flash_init_chip_state(void)