snapclient/components/audio_hal/audio_hal.c

/*
 * ESPRESSIF MIT License
 *
 * Copyright (c) 2018 <ESPRESSIF SYSTEMS (SHANGHAI) PTE 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 "audio_hal.h"

#include <string.h>

#include "audio_mem.h"
#include "audio_mutex.h"
#include "driver/gpio.h"
#include "esp_log.h"

static const char *TAG = "AUDIO_HAL";

#define AUDIO_HAL_CHECK_NULL(a, format, b, ...) \
  if ((a) == 0) {                               \
    ESP_LOGE(TAG, format, ##__VA_ARGS__);       \
    return b;                                   \
  }

audio_hal_handle_t audio_hal_init(audio_hal_codec_config_t *audio_hal_conf,
                                  audio_hal_func_t *audio_hal_func) {
  esp_err_t ret = 0;
  audio_hal_handle_t audio_hal =
      (audio_hal_handle_t)audio_calloc(1, sizeof(audio_hal_func_t));
  AUDIO_MEM_CHECK(TAG, audio_hal, return NULL);
  memcpy(audio_hal, audio_hal_func, sizeof(audio_hal_func_t));
  audio_hal->audio_hal_lock = mutex_create();

  AUDIO_MEM_CHECK(TAG, audio_hal->audio_hal_lock, {
    audio_free(audio_hal);
    return NULL;
  });
  mutex_lock(audio_hal->audio_hal_lock);
  ret = audio_hal->audio_codec_initialize(audio_hal_conf);
  if (ret == ESP_FAIL) {
    audio_free(audio_hal);
    if (audio_hal_func->handle) {
      return audio_hal_func->handle;
    } else {
      ESP_LOGE(TAG, "codec init failed!");
      return NULL;
    }
  }
  ret |= audio_hal->audio_codec_config_iface(audio_hal_conf->codec_mode,
                                             &audio_hal_conf->i2s_iface);
  ret |= audio_hal->audio_codec_set_volume(AUDIO_HAL_VOL_DEFAULT);
  AUDIO_RET_ON_FALSE(TAG, ret, return NULL, "audio_hal_init failed");
  audio_hal->handle = audio_hal;
  audio_hal_func->handle = audio_hal;
  mutex_unlock(audio_hal->audio_hal_lock);
  return audio_hal;
}

esp_err_t audio_hal_deinit(audio_hal_handle_t audio_hal) {
  esp_err_t ret;
  AUDIO_HAL_CHECK_NULL(audio_hal, "audio_hal handle is null", -1);
  mutex_destroy(audio_hal->audio_hal_lock);
  ret = audio_hal->audio_codec_deinitialize();
  audio_hal->audio_hal_lock = NULL;
  audio_hal->handle = NULL;
  audio_free(audio_hal);
  audio_hal = NULL;
  return ret;
}

esp_err_t audio_hal_ctrl_codec(audio_hal_handle_t audio_hal,
                               audio_hal_codec_mode_t mode,
                               audio_hal_ctrl_t audio_hal_state) {
  esp_err_t ret;
  AUDIO_HAL_CHECK_NULL(audio_hal, "audio_hal handle is null", -1);
  mutex_lock(audio_hal->audio_hal_lock);
  ESP_LOGI(TAG, "Codec mode is %d, Ctrl:%d", mode, audio_hal_state);
  ret = audio_hal->audio_codec_ctrl(mode, audio_hal_state);
  mutex_unlock(audio_hal->audio_hal_lock);
  return ret;
}

esp_err_t audio_hal_codec_iface_config(audio_hal_handle_t audio_hal,
                                       audio_hal_codec_mode_t mode,
                                       audio_hal_codec_i2s_iface_t *iface) {
  esp_err_t ret = 0;
  AUDIO_HAL_CHECK_NULL(audio_hal, "audio_hal handle is null", -1);
  AUDIO_HAL_CHECK_NULL(iface, "Get volume para is null", -1);
  mutex_lock(audio_hal->audio_hal_lock);
  ret = audio_hal->audio_codec_config_iface(mode, iface);
  mutex_unlock(audio_hal->audio_hal_lock);
  return ret;
}

esp_err_t audio_hal_set_mute(audio_hal_handle_t audio_hal, bool mute) {
  esp_err_t ret;
  AUDIO_HAL_CHECK_NULL(audio_hal, "audio_hal handle is null", -1);
  mutex_lock(audio_hal->audio_hal_lock);
  ret = audio_hal->audio_codec_set_mute(mute);
  mutex_unlock(audio_hal->audio_hal_lock);
  return ret;
}

esp_err_t audio_hal_enable_pa(audio_hal_handle_t audio_hal, bool enable) {
  esp_err_t ret;
  AUDIO_HAL_CHECK_NULL(audio_hal, "audio_hal handle is null", -1);
  mutex_lock(audio_hal->audio_hal_lock);
  ret = audio_hal->audio_codec_enable_pa(enable);
  mutex_unlock(audio_hal->audio_hal_lock);
  return ret;
}

esp_err_t audio_hal_set_volume(audio_hal_handle_t audio_hal, int volume) {
  esp_err_t ret;
  AUDIO_HAL_CHECK_NULL(audio_hal, "audio_hal handle is null", -1);
  mutex_lock(audio_hal->audio_hal_lock);
  ret = audio_hal->audio_codec_set_volume(volume);
  mutex_unlock(audio_hal->audio_hal_lock);
  return ret;
}

esp_err_t audio_hal_get_volume(audio_hal_handle_t audio_hal, int *volume) {
  esp_err_t ret;
  AUDIO_HAL_CHECK_NULL(audio_hal, "audio_hal handle is null", -1);
  AUDIO_HAL_CHECK_NULL(volume, "Get volume para is null", -1);
  mutex_lock(audio_hal->audio_hal_lock);
  ret = audio_hal->audio_codec_get_volume(volume);
  mutex_unlock(audio_hal->audio_hal_lock);
  return ret;
}