text: /*
   * ESPRESSIF MIT License
   *
   * Copyright (c) 2020 <ESPRESSIF SYSTEMS (SHANGHAI) CO., LTD>
   *
   * Permission is hereby granted for use on all ESPRESSIF SYSTEMS products, in which case,
   * it is free of charge, to any person obtaining a copy of this software and associated
   * documentation files (the "Software"), to deal in the Software without restriction, including
   * without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense,
   * and/or sell copies of the Software, and to permit persons to whom the Software is furnished
   * to do so, subject to the following conditions:
   *
   * The above copyright notice and this permission notice shall be included in all copies or
   * substantial portions of the Software.
   *
   * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
   * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
   * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
   * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
   * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
   * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
   *
   */
  
  #include "esp_log.h"
  #include "board.h"
  #include "audio_mem.h"
  #include "periph_adc_button.h"
  
  static const char *TAG = "AUDIO_BOARD";
  
  static audio_board_handle_t board_handle = NULL;
  
  audio_board_handle_t audio_board_init(void)
  {
      if (board_handle) {
          ESP_LOGW(TAG, "The board has already been initialized!");
          return board_handle;
      }
      board_handle = (audio_board_handle_t) audio_calloc(1, sizeof(struct audio_board_handle));
      AUDIO_MEM_CHECK(TAG, board_handle, return NULL);
      board_handle->audio_hal = audio_board_codec_init();
  
      return board_handle;
  }
  
  audio_hal_handle_t audio_board_codec_init(void)
  {
      audio_hal_codec_config_t audio_codec_cfg = AUDIO_CODEC_DEFAULT_CONFIG();
      audio_hal_handle_t codec_hal = audio_hal_init(&audio_codec_cfg, &AUDIO_CODEC_ES8311_DEFAULT_HANDLE);
      AUDIO_NULL_CHECK(TAG, codec_hal, return NULL);
      return codec_hal;
  }
  esp_err_t audio_board_sdcard_init(esp_periph_set_handle_t set)
  {
      esp_err_t ret = ESP_OK;
      return ret;
  }
  
  display_service_handle_t audio_board_led_init(void)
  {
      // TODO
      return NULL;
  }
  
  esp_err_t audio_board_key_init(esp_periph_set_handle_t set)
  {
      esp_err_t ret = ESP_OK;
      periph_adc_button_cfg_t adc_btn_cfg = {0};
      adc_arr_t adc_btn_tag = ADC_DEFAULT_ARR();
      adc_btn_tag.adc_ch = ADC1_CHANNEL_5;
      adc_btn_tag.total_steps = 6;
      int btn_array[7] = {500, 1800, 3000, 4200, 5500, 6600, 7800};
      adc_btn_tag.adc_level_step = btn_array;
      adc_btn_cfg.arr = &adc_btn_tag;
      adc_btn_cfg.arr_size = 1;
      esp_periph_handle_t adc_btn_handle = periph_adc_button_init(&adc_btn_cfg);
      AUDIO_NULL_CHECK(TAG, adc_btn_handle, return ESP_ERR_ADF_MEMORY_LACK);
      ret = esp_periph_start(set, adc_btn_handle);
      return ret;
  }
  
  audio_board_handle_t audio_board_get_handle(void)
  {
      return board_handle;
  }
  
  esp_err_t audio_board_deinit(audio_board_handle_t audio_board)
  {
      esp_err_t ret = ESP_OK;
      ret = audio_hal_deinit(audio_board->audio_hal);
      audio_board->audio_hal = NULL;
      free(audio_board);
      board_handle = NULL;
      return ret;
  }
  