Add initial board, HAL, and executor modules
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#include "audio_codec.h"
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#include "esp_log.h"
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#include "es7210.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/semphr.h"
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static const char *TAG = "AudioCodec";
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// 静态成员初始化
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AudioCodec* AudioCodec::instance_ = nullptr;
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SemaphoreHandle_t AudioCodec::mutex_ = nullptr;
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AudioCodec::AudioCodec()
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: board_handle_(nullptr),
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is_initialized_(false),
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current_mode_(AUDIO_CODEC_MODE_DECODE),
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current_volume_(100)
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{
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}
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AudioCodec::~AudioCodec() {
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Deinitialize();
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}
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AudioCodec* AudioCodec::GetInstance() {
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// 双重检查锁定模式确保线程安全
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if (instance_ == nullptr) {
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if (mutex_ == nullptr) {
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mutex_ = xSemaphoreCreateMutex();
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}
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if (xSemaphoreTake(mutex_, portMAX_DELAY) == pdTRUE) {
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if (instance_ == nullptr) {
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instance_ = new AudioCodec();
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}
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xSemaphoreGive(mutex_);
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}
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}
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return instance_;
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}
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esp_err_t AudioCodec::Initialize() {
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if (is_initialized_) {
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ESP_LOGW(TAG, "AudioCodec already initialized");
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return ESP_OK;
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}
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ESP_LOGI(TAG, "Initializing AudioCodec");
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esp_err_t ret = InitializeBoard();
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if (ret != ESP_OK) {
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ESP_LOGE(TAG, "Failed to initialize audio board: %s", esp_err_to_name(ret));
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return ret;
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}
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// 先设置初始化标志，然后启动编解码器
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is_initialized_ = true;
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// 默认启用双向模式，同时支持播放和录音
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ret = StartCodec(AUDIO_CODEC_MODE_BOTH);
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if (ret != ESP_OK) {
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ESP_LOGE(TAG, "Failed to start codec in both mode: %s", esp_err_to_name(ret));
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is_initialized_ = false; // 如果启动失败，重置标志
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return ret;
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}
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ESP_LOGI(TAG, "AudioCodec initialized successfully with both encode and decode enabled");
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return ESP_OK;
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}
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esp_err_t AudioCodec::InitializeBoard() {
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// 初始化音频板
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board_handle_ = audio_board_init();
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if (board_handle_ == nullptr) {
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ESP_LOGE(TAG, "Failed to initialize audio board");
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return ESP_FAIL;
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}
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ESP_LOGI(TAG, "Audio board initialized successfully");
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return ESP_OK;
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}
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esp_err_t AudioCodec::StartCodec(audio_codec_mode_t mode) {
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// 检查音频板是否已初始化，而不是检查整体初始化状态
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if (board_handle_ == nullptr) {
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ESP_LOGE(TAG, "Audio board not initialized");
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return ESP_ERR_INVALID_STATE;
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}
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esp_err_t ret = ESP_OK;
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switch (mode) {
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case AUDIO_CODEC_MODE_DECODE:
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ESP_LOGI(TAG, "Starting codec in decode mode");
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ret = audio_hal_ctrl_codec(board_handle_->audio_hal, AUDIO_HAL_CODEC_MODE_DECODE, AUDIO_HAL_CTRL_START);
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break;
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case AUDIO_CODEC_MODE_ENCODE:
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ESP_LOGI(TAG, "Starting codec in encode mode");
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ret = audio_hal_ctrl_codec(board_handle_->audio_hal, AUDIO_HAL_CODEC_MODE_ENCODE, AUDIO_HAL_CTRL_START);
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if (ret == ESP_OK) {
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// 设置ADC音量
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ret = audio_hal_set_volume(board_handle_->adc_hal, 100);
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if (ret != ESP_OK) {
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ESP_LOGW(TAG, "Failed to set ADC volume: %s", esp_err_to_name(ret));
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}
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// 设置ES7210麦克风增益
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ret = es7210_adc_set_gain((es7210_input_mics_t)(ES7210_INPUT_MIC1 | ES7210_INPUT_MIC2 | ES7210_INPUT_MIC3), GAIN_37_5DB);
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if (ret != ESP_OK) {
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ESP_LOGW(TAG, "Failed to set ES7210 gain: %s", esp_err_to_name(ret));
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} else {
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ESP_LOGI(TAG, "ES7210 gain set to 37.5dB");
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}
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}
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break;
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case AUDIO_CODEC_MODE_BOTH:
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ESP_LOGI(TAG, "Starting codec in both modes");
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ret = audio_hal_ctrl_codec(board_handle_->audio_hal, AUDIO_HAL_CODEC_MODE_BOTH, AUDIO_HAL_CTRL_START);
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if (ret == ESP_OK) {
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// 同时设置播放和录音参数
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audio_hal_set_volume(board_handle_->adc_hal, 100);
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es7210_adc_set_gain((es7210_input_mics_t)(ES7210_INPUT_MIC1 | ES7210_INPUT_MIC2 | ES7210_INPUT_MIC3), GAIN_37_5DB);
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}
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break;
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default:
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ESP_LOGE(TAG, "Invalid codec mode: %d", mode);
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return ESP_ERR_INVALID_ARG;
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}
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if (ret != ESP_OK) {
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ESP_LOGE(TAG, "Failed to start codec: %s", esp_err_to_name(ret));
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return ret;
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}
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current_mode_ = mode;
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// 设置初始音量（仅在播放模式下）
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if (mode == AUDIO_CODEC_MODE_DECODE || mode == AUDIO_CODEC_MODE_BOTH) {
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SetVolume(current_volume_);
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}
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ESP_LOGI(TAG, "Codec started successfully in mode %d", mode);
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return ESP_OK;
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}
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esp_err_t AudioCodec::StopCodec() {
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if (!is_initialized_) {
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ESP_LOGW(TAG, "AudioCodec not initialized");
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return ESP_OK;
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}
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ESP_LOGI(TAG, "Stopping codec");
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// 修复：直接使用audio_hal_codec_mode_t类型
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esp_err_t ret = audio_hal_ctrl_codec(board_handle_->audio_hal, (audio_hal_codec_mode_t)current_mode_, AUDIO_HAL_CTRL_STOP);
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if (ret != ESP_OK) {
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ESP_LOGW(TAG, "Failed to stop codec: %s", esp_err_to_name(ret));
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}
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return ret;
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}
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esp_err_t AudioCodec::SetVolume(uint8_t volume) {
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if (!is_initialized_) {
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ESP_LOGE(TAG, "AudioCodec not initialized");
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return ESP_ERR_INVALID_STATE;
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}
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if (volume > 100) {
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ESP_LOGW(TAG, "Volume %d exceeds maximum, setting to 100", volume);
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volume = 100;
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}
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// 转换为HAL音量范围 (0-63)
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int hal_volume = (volume * 63) / 100;
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esp_err_t ret = audio_hal_set_volume(board_handle_->audio_hal, hal_volume);
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if (ret != ESP_OK) {
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ESP_LOGE(TAG, "Failed to set volume: %s", esp_err_to_name(ret));
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return ret;
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}
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current_volume_ = volume;
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ESP_LOGI(TAG, "Volume set to %d%% (HAL volume: %d)", volume, hal_volume);
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return ESP_OK;
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}
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esp_err_t AudioCodec::GetVolume(uint8_t* volume) {
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if (!volume) {
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return ESP_ERR_INVALID_ARG;
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}
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*volume = current_volume_;
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return ESP_OK;
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}
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esp_err_t AudioCodec::SetAdcVolume(uint8_t volume) {
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if (!is_initialized_) {
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ESP_LOGE(TAG, "AudioCodec not initialized");
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return ESP_ERR_INVALID_STATE;
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}
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if (volume > 100) {
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volume = 100;
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}
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esp_err_t ret = audio_hal_set_volume(board_handle_->adc_hal, volume);
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if (ret != ESP_OK) {
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ESP_LOGE(TAG, "Failed to set ADC volume: %s", esp_err_to_name(ret));
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return ret;
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}
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ESP_LOGI(TAG, "ADC volume set to %d", volume);
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return ESP_OK;
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}
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audio_board_handle_t AudioCodec::GetBoardHandle() {
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return board_handle_;
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}
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bool AudioCodec::IsInitialized() {
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return is_initialized_;
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}
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esp_err_t AudioCodec::Deinitialize() {
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if (!is_initialized_) {
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return ESP_OK;
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}
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ESP_LOGI(TAG, "Deinitializing AudioCodec");
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StopCodec();
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Cleanup();
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is_initialized_ = false;
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ESP_LOGI(TAG, "AudioCodec deinitialized");
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return ESP_OK;
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}
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void AudioCodec::Cleanup() {
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if (board_handle_) {
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audio_board_deinit(board_handle_);
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board_handle_ = nullptr;
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}
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}
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@@ -0,0 +1,74 @@
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#ifndef AUDIO_CODEC_H
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#define AUDIO_CODEC_H
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#include "esp_err.h"
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#include "audio_hal.h"
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#include "board.h"
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#include "esp_peripherals.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/semphr.h"
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#include <stdint.h>
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#ifdef __cplusplus
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extern "C" {
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#endif
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// 使用audio_hal中已定义的模式类型，避免重复定义
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typedef audio_hal_codec_mode_t audio_codec_mode_t;
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// 为了代码可读性，定义别名
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#define AUDIO_CODEC_MODE_DECODE AUDIO_HAL_CODEC_MODE_DECODE
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#define AUDIO_CODEC_MODE_ENCODE AUDIO_HAL_CODEC_MODE_ENCODE
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#define AUDIO_CODEC_MODE_BOTH AUDIO_HAL_CODEC_MODE_BOTH
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class AudioCodec {
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public:
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// 获取单例实例
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static AudioCodec* GetInstance();
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// 初始化音频编解码器（默认启用双向模式）
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esp_err_t Initialize();
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// 音量控制
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esp_err_t SetVolume(uint8_t volume);
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esp_err_t GetVolume(uint8_t* volume);
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// ADC音量控制（录音）
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esp_err_t SetAdcVolume(uint8_t volume);
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// 获取音频板句柄
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audio_board_handle_t GetBoardHandle();
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// 检查是否已初始化
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bool IsInitialized();
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// 反初始化
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esp_err_t Deinitialize();
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private:
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AudioCodec(); // 私有构造函数
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~AudioCodec();
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// 禁止拷贝构造和赋值
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AudioCodec(const AudioCodec&) = delete;
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AudioCodec& operator=(const AudioCodec&) = delete;
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static AudioCodec* instance_;
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static SemaphoreHandle_t mutex_;
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audio_board_handle_t board_handle_;
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bool is_initialized_;
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audio_codec_mode_t current_mode_;
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uint8_t current_volume_;
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esp_err_t InitializeBoard();
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void Cleanup();
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esp_err_t StartCodec(audio_codec_mode_t mode);
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esp_err_t StopCodec();
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};
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#ifdef __cplusplus
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}
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#endif
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#endif // AUDIO_CODEC_H
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@@ -0,0 +1,16 @@
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# main/04_hal/audio_codec/module.cmake
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# 判断 menuconfig 中的开关
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if(NOT CONFIG_ENABLE_HAL_AUDIO_CODEC AND NOT EARLY_EXPANSION)
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message(STATUS " [Skip] audio_codec module disabled by menuconfig.")
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return()
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endif()
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list(APPEND MODULE_SRCS
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"04_hal/audio_codec/audio_codec.cc"
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)
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list(APPEND MODULE_INCLUDE_DIRS
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"04_hal/audio_codec"
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)
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