diff --git a/components/custom_board/generic_board/board.c b/components/custom_board/generic_board/board.c
index c02ee82..8f9cff2 100644
--- a/components/custom_board/generic_board/board.c
+++ b/components/custom_board/generic_board/board.c
@@ -6,10 +6,10 @@
  * 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:
+ * 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.
@@ -18,9 +18,9 @@
  * 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.
+ * 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.
  *
  */
 
@@ -28,8 +28,8 @@
 
 #include "audio_mem.h"
 #include "esp_log.h"
-#include "periph_adc_button.h"
-#include "periph_sdcard.h"
+//#include "periph_adc_button.h"
+//#include "periph_sdcard.h"
 
 #if CONFIG_DAC_PCM51XX
 extern audio_hal_func_t AUDIO_CODEC_PCM51XX_DEFAULT_HANDLE;
@@ -46,67 +46,78 @@ static const char *TAG = "AUDIO_BOARD";
 
 static audio_board_handle_t board_handle = 0;
 
-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();
-  ESP_LOGI(TAG,"board-handle done") ;
+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 ();
+  ESP_LOGI (TAG, "board-handle done");
   return board_handle;
 }
 
-audio_hal_handle_t audio_board_codec_init(void) {
-  ESP_LOGI("HAL", "INIT" );
-  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_DEFAULT_HANDLE);
-  ESP_LOGI("HAL", "codec_hal done" );
- 
-  AUDIO_NULL_CHECK(TAG, codec_hal, return NULL);
+audio_hal_handle_t
+audio_board_codec_init (void)
+{
+  ESP_LOGI ("HAL", "INIT");
+  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_DEFAULT_HANDLE);
+  ESP_LOGI ("HAL", "codec_hal done");
+
+  AUDIO_NULL_CHECK (TAG, codec_hal, return NULL);
   return codec_hal;
 }
 
-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 = PERIPH_ADC_BUTTON_DEFAULT_CONFIG();
-  adc_arr_t adc_btn_tag = ADC_DEFAULT_ARR();
-  adc_btn_tag.adc_ch = ADC1_CHANNEL_0;  // GPIO36
-  adc_btn_tag.total_steps = 4;
-  int btn_array[5] = {200, 1355, 1820, 2280, 2930};
-  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;
+// 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 = PERIPH_ADC_BUTTON_DEFAULT_CONFIG();
+//  adc_arr_t adc_btn_tag = ADC_DEFAULT_ARR();
+//  adc_btn_tag.adc_ch = ADC1_CHANNEL_0;  // GPIO36
+//  adc_btn_tag.total_steps = 4;
+//  int btn_array[5] = {200, 1355, 1820, 2280, 2930};
+//  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;
+//}
+//
+// esp_err_t audio_board_sdcard_init(esp_periph_set_handle_t set,
+//                                  periph_sdcard_mode_t mode) {
+//  periph_sdcard_cfg_t sdcard_cfg = {
+//      .root = "/sdcard",
+//      .card_detect_pin = get_sdcard_intr_gpio(),  // GPIO_NUM_34
+//  };
+//  esp_periph_handle_t sdcard_handle = periph_sdcard_init(&sdcard_cfg);
+//  esp_err_t ret = esp_periph_start(set, sdcard_handle);
+//  while (!periph_sdcard_is_mounted(sdcard_handle)) {
+//    vTaskDelay(500 / portTICK_PERIOD_MS);
+//  }
+//  return ret;
+//}
+
+audio_board_handle_t
+audio_board_get_handle (void)
+{
+  return board_handle;
 }
 
-esp_err_t audio_board_sdcard_init(esp_periph_set_handle_t set,
-                                  periph_sdcard_mode_t mode) {
-  periph_sdcard_cfg_t sdcard_cfg = {
-      .root = "/sdcard",
-      .card_detect_pin = get_sdcard_intr_gpio(),  // GPIO_NUM_34
-  };
-  esp_periph_handle_t sdcard_handle = periph_sdcard_init(&sdcard_cfg);
-  esp_err_t ret = esp_periph_start(set, sdcard_handle);
-  while (!periph_sdcard_is_mounted(sdcard_handle)) {
-    vTaskDelay(500 / portTICK_PERIOD_MS);
-  }
-  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
+audio_board_deinit (audio_board_handle_t audio_board)
+{
   esp_err_t ret = ESP_OK;
-  ret |= audio_hal_deinit(audio_board->audio_hal);
-  free(audio_board);
+  ret |= audio_hal_deinit (audio_board->audio_hal);
+  free (audio_board);
   board_handle = NULL;
   return ret;
 }
diff --git a/components/custom_board/generic_board/include/board.h b/components/custom_board/generic_board/include/board.h
index ee3e2b2..2a04813 100644
--- a/components/custom_board/generic_board/include/board.h
+++ b/components/custom_board/generic_board/include/board.h
@@ -6,10 +6,10 @@
  * 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:
+ * 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.
@@ -18,9 +18,9 @@
  * 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.
+ * 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.
  *
  */
 
@@ -30,83 +30,85 @@
 #include "audio_hal.h"
 #include "board_def.h"
 #include "board_pins_config.h"
-#include "esp_peripherals.h"
-#include "periph_sdcard.h"
+//#include "esp_peripherals.h"
+//#include "periph_sdcard.h"
 
 #ifdef __cplusplus
-extern "C" {
+extern "C"
+{
 #endif
 
-/**
- * @brief Audio board handle
- */
-struct audio_board_handle {
-  audio_hal_handle_t audio_hal; /*!< pa hardware abstract layer handle */
-  audio_hal_handle_t adc_hal;   /*!< adc hardware abstract layer handle */
-};
+  /**
+   * @brief Audio board handle
+   */
+  struct audio_board_handle
+  {
+    audio_hal_handle_t audio_hal; /*!< pa hardware abstract layer handle */
+    audio_hal_handle_t adc_hal;   /*!< adc hardware abstract layer handle */
+  };
 
-typedef struct audio_board_handle *audio_board_handle_t;
+  typedef struct audio_board_handle *audio_board_handle_t;
 
-/**
- * @brief Initialize audio board
- *
- * @return The audio board handle
- */
-audio_board_handle_t audio_board_init(void);
+  /**
+   * @brief Initialize audio board
+   *
+   * @return The audio board handle
+   */
+  audio_board_handle_t audio_board_init (void);
 
-/**
- * @brief Initialize codec
- *
- * @return The audio hal handle
- */
-audio_hal_handle_t audio_board_codec_init(void);
+  /**
+   * @brief Initialize codec
+   *
+   * @return The audio hal handle
+   */
+  audio_hal_handle_t audio_board_codec_init (void);
 
-/**
- * @brief Initialize adc
- *
- * @return The adc hal handle
- */
-audio_hal_handle_t audio_board_adc_init(void);
+  /**
+   * @brief Initialize adc
+   *
+   * @return The adc hal handle
+   */
+  audio_hal_handle_t audio_board_adc_init (void);
 
-/**
- * @brief Initialize key peripheral
- *
- * @param set The handle of esp_periph_set_handle_t
- *
- * @return
- *     - ESP_OK, success
- *     - Others, fail
- */
-esp_err_t audio_board_key_init(esp_periph_set_handle_t set);
+  ///**
+  // * @brief Initialize key peripheral
+  // *
+  // * @param set The handle of esp_periph_set_handle_t
+  // *
+  // * @return
+  // *     - ESP_OK, success
+  // *     - Others, fail
+  // */
+  // esp_err_t audio_board_key_init(esp_periph_set_handle_t set);
+  //
+  ///**
+  // * @brief Initialize sdcard peripheral
+  // *
+  // * @param set The handle of esp_periph_set_handle_t
+  // *
+  // * @return
+  // *     - ESP_OK, success
+  // *     - Others, fail
+  // */
+  // esp_err_t audio_board_sdcard_init(esp_periph_set_handle_t set,
+  //                                  periph_sdcard_mode_t mode);
 
-/**
- * @brief Initialize sdcard peripheral
- *
- * @param set The handle of esp_periph_set_handle_t
- *
- * @return
- *     - ESP_OK, success
- *     - Others, fail
- */
-esp_err_t audio_board_sdcard_init(esp_periph_set_handle_t set,
-                                  periph_sdcard_mode_t mode);
+  /**
+   * @brief Query audio_board_handle
+   *
+   * @return The audio board handle
+   */
+  audio_board_handle_t audio_board_get_handle (void);
 
-/**
- * @brief Query audio_board_handle
- *
- * @return The audio board handle
- */
-audio_board_handle_t audio_board_get_handle(void);
-
-/**
- * @brief Uninitialize the audio board
- *
- * @param audio_board The handle of audio board
- *
- * @return  0       success,
- *          others  fail
- */
-esp_err_t audio_board_deinit(audio_board_handle_t audio_board);
+  /**
+   * @brief Uninitialize the audio board
+   *
+   * @param audio_board The handle of audio board
+   *
+   * @return  0       success,
+   *          others  fail
+   */
+  esp_err_t audio_board_deinit (audio_board_handle_t audio_board);
 
 #ifdef __cplusplus
 }