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feat(i2s): add BLE destination config for esp32s31

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This commit is contained in:
Chen Chen
2026-05-19 17:31:48 +08:00
parent 8f28ebb6d1
commit 145bf152de
28 changed files with 850 additions and 60 deletions
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components/esp_driver_i2s/i2s_std.c
+9 -4
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@@ -17,6 +17,7 @@
#endif
#include "hal/i2s_hal.h"
#include "hal/i2s_types.h"
#include "driver/gpio.h"
#include "driver/i2s_std.h"
#include "i2s_private.h"
@@ -144,8 +145,9 @@ static esp_err_t i2s_std_set_slot(i2s_chan_handle_t handle, const i2s_std_slot_c
uint32_t buf_size = i2s_get_buf_size(handle, norm_slot_cfg.data_bit_width, handle->dma.frame_num);
ESP_RETURN_ON_FALSE(buf_size != 0, ESP_ERR_INVALID_ARG, TAG, "invalid data_bit_width");
/* The DMA buffer need to re-allocate if the buffer size changed */
if (handle->dma.buf_size != buf_size) {
/* The DMA buffer need to re-allocate if the buffer size changed.
* Skip when GDMA is not the data path (e.g. Bluetooth destination), since the channel never owns a DMA buffer. */
if (handle->destination == I2S_DESTINATION_DMA && handle->dma.buf_size != buf_size) {
ESP_RETURN_ON_ERROR(i2s_free_dma_desc(handle), TAG, "failed to free the old dma descriptor");
ESP_RETURN_ON_ERROR(i2s_alloc_dma_desc(handle, buf_size),
TAG, "allocate memory for dma descriptor failed");
@@ -340,7 +342,9 @@ esp_err_t i2s_channel_init_std_mode(i2s_chan_handle_t handle, const i2s_std_conf
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 (I2S_CHANNEL_USES_DMA(handle)) {
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 */
if (handle->dir == I2S_DIR_TX) {
@@ -349,6 +353,7 @@ esp_err_t i2s_channel_init_std_mode(i2s_chan_handle_t handle, const i2s_std_conf
i2s_ll_rx_enable_std(handle->controller->hal.dev);
}
#endif
i2s_ll_set_destination(handle->controller->hal.dev, handle->dir, handle->destination);
#ifdef CONFIG_PM_ENABLE
esp_pm_lock_type_t pm_type = ESP_PM_APB_FREQ_MAX;
@@ -359,7 +364,7 @@ esp_err_t i2s_channel_init_std_mode(i2s_chan_handle_t handle, const i2s_std_conf
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");
ESP_GOTO_ON_ERROR(esp_pm_lock_create(pm_type, 0, "i2s_driver", &handle->pm_lock), err, TAG, "I2S pm lock create failed");
#endif
/* Initialization finished, mark state as ready */