2_way_Tochie/main/Mic_Control/Mic.c

#include "Mic.h"

#include <stdbool.h>
#include "esp_err.h"
#include "freertos/FreeRTOS.h"
#include "freertos/semphr.h"
#include "string.h"
#include "driver/gpio.h"
#include "esp_err.h"
#include "esp_log.h"
#include "esp_rom_sys.h"
#include "esp_check.h"
#include "esp_vfs_fat.h"
#include "sdmmc_cmd.h"
#include "driver/i2s_std.h"
#include "driver/i2s_types.h"
#include "driver/i2s_pdm.h"
#include "driver/i2s_tdm.h"

#include <sys/unistd.h>
#include <sys/stat.h>
#include "dirent.h"
#include "driver/sdmmc_host.h"
#include <errno.h>

#if ((SOC_SDMMC_HOST_SUPPORTED) && (FUNC_SDMMC_EN))
#include "driver/sdmmc_host.h"
#endif /* ((SOC_SDMMC_HOST_SUPPORTED) && (FUNC_SDMMC_EN)) */


#define ADC_I2S_CHANNEL 4

static sdmmc_card_t *card;
static const char *TAG = "board";
static int s_play_sample_rate = 16000;
static int s_play_channel_format = 1;
static int s_bits_per_chan = 16;

#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 0, 0)
static i2s_chan_handle_t            tx_handle = NULL;        // I2S tx channel handler
static i2s_chan_handle_t            rx_handle = NULL;        // I2S rx channel handler
#endif
static audio_codec_data_if_t *record_data_if  = NULL;
static audio_codec_ctrl_if_t *record_ctrl_if  = NULL;
static audio_codec_if_t *record_codec_if      = NULL;
static esp_codec_dev_handle_t record_dev      = NULL;

static audio_codec_data_if_t *play_data_if    = NULL;
static audio_codec_ctrl_if_t *play_ctrl_if    = NULL;
static audio_codec_gpio_if_t *play_gpio_if    = NULL;
static audio_codec_if_t *play_codec_if        = NULL;
static esp_codec_dev_handle_t play_dev        = NULL;
static i2c_master_bus_handle_t i2c_bus_handle = NULL;
static uint32_t SDCard_Size  = 0;


esp_codec_dev_handle_t esp_ret_play_dev(void)
{
    return play_dev;
}

i2c_master_bus_handle_t esp_ret_i2c_handle(void)
{
    return i2c_bus_handle;
}

uint32_t Get_SD_Size(void)
{
    return SDCard_Size;
}

 esp_err_t i2c_master_init(void)
{
    const i2c_master_bus_config_t bus_config = {
        .i2c_port = I2C_NUM,
        .sda_io_num = GPIO_I2C_SDA,
        .scl_io_num = GPIO_I2C_SCL,
        .clk_source = I2C_CLK_SRC_DEFAULT,
    };

    esp_err_t ret = i2c_new_master_bus(&bus_config, &i2c_bus_handle);
    if (ret != ESP_OK) {
        ESP_LOGE(TAG, "Failed to initialize I2C bus: %s", esp_err_to_name(ret));
        return ret;
    }

    ESP_LOGI(TAG, "I2C bus initialized successfully");
    return ESP_OK;  // 返回 ESP_OK 表示成功
}

esp_err_t bsp_codec_adc_init(int sample_rate)
{
    esp_err_t ret_val = ESP_OK;

    // Do initialize of related interface: data_if, ctrl_if and gpio_if
    audio_codec_i2s_cfg_t i2s_cfg = {
        .port = I2S_NUM_1,
#if ESP_IDF_VERSION >= ESP_IDF_VERSION_VAL(5, 0, 0)
        .rx_handle = rx_handle,
        .tx_handle = NULL,
#endif
    };
    //record_data_if = audio_codec_new_i2s_data(&i2s_cfg);

    audio_codec_i2c_cfg_t i2c_cfg = {.addr = ES7210_CODEC_DEFAULT_ADDR,.bus_handle = i2c_bus_handle};
    //record_ctrl_if = audio_codec_new_i2c_ctrl(&i2c_cfg);
    // New input codec interface
    es7210_codec_cfg_t es7210_cfg = {
        .ctrl_if = record_ctrl_if,
        .mic_selected = ES7210_SEL_MIC1 | ES7210_SEL_MIC2 | ES7210_SEL_MIC3 | ES7210_SEL_MIC4,
    };  
    //record_codec_if = es7210_codec_new(&es7210_cfg);
    // New input codec device
    esp_codec_dev_cfg_t dev_cfg = {
        .codec_if = record_codec_if,
        .data_if = record_data_if,
        .dev_type = ESP_CODEC_DEV_TYPE_IN,
    };
    record_dev = esp_codec_dev_new(&dev_cfg);

    esp_codec_dev_sample_info_t fs = {
        .sample_rate = 16000,
        .channel = 2,
        .bits_per_sample = 32,
    };
    esp_codec_dev_open(record_dev, &fs);
    // esp_codec_dev_set_in_gain(record_dev, RECORD_VOLUME);
    esp_codec_dev_set_in_channel_gain(record_dev, ESP_CODEC_DEV_MAKE_CHANNEL_MASK(0), RECORD_VOLUME);
    esp_codec_dev_set_in_channel_gain(record_dev, ESP_CODEC_DEV_MAKE_CHANNEL_MASK(1), RECORD_VOLUME);
    esp_codec_dev_set_in_channel_gain(record_dev, ESP_CODEC_DEV_MAKE_CHANNEL_MASK(2), RECORD_VOLUME);
    esp_codec_dev_set_in_channel_gain(record_dev, ESP_CODEC_DEV_MAKE_CHANNEL_MASK(3), RECORD_VOLUME);

    return ret_val;
}
esp_err_t esp_get_mic_level(int16_t *buffer, int buffer_len)
{
    esp_err_t ret = ESP_OK;
    size_t bytes_read;
    int audio_chunksize = buffer_len / (sizeof(int16_t) * ADC_I2S_CHANNEL);

    ret = esp_codec_dev_read(record_dev, (void *)buffer, buffer_len);
    
    int64_t sum = 0;
    for(int i = 0; i < buffer_len/sizeof(int16_t); i++) {
        sum += abs(buffer[i]);
    }
    ESP_LOGI("MIC", "Level=%lld", sum/(buffer_len/sizeof(int16_t)));


    
    return ret;
}