ESP32-S3开发板麦克风录音到SD卡存储测试

硬件版本：ESP32-S3-EYE-MB_V2.2

软件版本：esp-idf-v5.4.1

实测ESP的DEMO，无法正常运行。

测试修改验证：实现麦克风录音到SD卡存储。

#include <stdio.h>

#include <string.h>

#include <math.h>

#include <sys/unistd.h>

#include <sys/stat.h>

#include "esp_log.h"

#include "esp_err.h"

#include "esp_system.h"

#include "esp_vfs_fat.h"

#include "freertos/FreeRTOS.h"

#include "freertos/task.h"

#include "driver/i2s.h"

#include "driver/gpio.h"

#include "driver/spi_common.h"

#include "sdmmc_cmd.h"

#include "sdkconfig.h"

#include "driver/sdmmc_host.h"

#include "driver/i2s_pdm.h"

static const char* TAG = "pdm_rec_example";

#define SPI_DMA_CHAN        SPI_DMA_CH_AUTO

#define NUM_CHANNELS        (1) // For mono recording only!

#define SD_MOUNT_POINT      "/sdcard"

#define SAMPLE_SIZE         (CONFIG_EXAMPLE_BIT_SAMPLE * 1024)

#define BYTE_RATE           (CONFIG_EXAMPLE_SAMPLE_RATE * (CONFIG_EXAMPLE_BIT_SAMPLE / 8)) * NUM_CHANNELS

// When testing SD and SPI modes, keep in mind that once the card has been

// 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;

i2s_chan_handle_t rx_handle = NULL;

static int16_t i2s_readraw_buff[SAMPLE_SIZE];

size_t bytes_read;

const int WAVE_HEADER_SIZE = 44;

#define BSP_SD_CLK          (39)

#define BSP_SD_CMD          (38)

#define BSP_SD_D0           (40)

// I2S配置

// Configure PDM microphone pins

#def