f360fe5b3e
1. Modified symbol names of A2DP sink APIs include: - esp_a2d_data_cb_t --> esp_a2d_sink_data_cb_t - esp_a2d_register_data_callback --> esp_a2d_sink_register_data_callback
143 lines
4.4 KiB
C
143 lines
4.4 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
|
|
//
|
|
// Licensed under the Apache License, Version 2.0 (the "License");
|
|
// you may not use this file except in compliance with the License.
|
|
// You may obtain a copy of the License at
|
|
|
|
// http://www.apache.org/licenses/LICENSE-2.0
|
|
//
|
|
// Unless required by applicable law or agreed to in writing, software
|
|
// distributed under the License is distributed on an "AS IS" BASIS,
|
|
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
// See the License for the specific language governing permissions and
|
|
// limitations under the License.
|
|
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <unistd.h>
|
|
#include <string.h>
|
|
#include "freertos/FreeRTOS.h"
|
|
#include "freertos/task.h"
|
|
#include "nvs.h"
|
|
#include "nvs_flash.h"
|
|
#include "esp_system.h"
|
|
#include "esp_log.h"
|
|
|
|
#include "esp_bt.h"
|
|
#include "bt_app_core.h"
|
|
#include "bt_app_av.h"
|
|
#include "esp_bt_main.h"
|
|
#include "esp_bt_device.h"
|
|
#include "esp_gap_bt_api.h"
|
|
#include "esp_a2dp_api.h"
|
|
#include "esp_avrc_api.h"
|
|
#include "driver/i2s.h"
|
|
|
|
/* event for handler "bt_av_hdl_stack_up */
|
|
enum {
|
|
BT_APP_EVT_STACK_UP = 0,
|
|
};
|
|
|
|
/* handler for bluetooth stack enabled events */
|
|
static void bt_av_hdl_stack_evt(uint16_t event, void *p_param);
|
|
|
|
|
|
void app_main()
|
|
{
|
|
/* Initialize NVS — it is used to store PHY calibration data */
|
|
esp_err_t ret = nvs_flash_init();
|
|
if (ret == ESP_ERR_NVS_NO_FREE_PAGES) {
|
|
ESP_ERROR_CHECK(nvs_flash_erase());
|
|
ret = nvs_flash_init();
|
|
}
|
|
ESP_ERROR_CHECK( ret );
|
|
|
|
i2s_config_t i2s_config = {
|
|
#ifdef CONFIG_A2DP_SINK_OUTPUT_INTERNAL_DAC
|
|
.mode = I2S_MODE_DAC_BUILT_IN,
|
|
#else
|
|
.mode = I2S_MODE_MASTER | I2S_MODE_TX, // Only TX
|
|
#endif
|
|
.sample_rate = 44100,
|
|
.bits_per_sample = 16,
|
|
.channel_format = I2S_CHANNEL_FMT_RIGHT_LEFT, //2-channels
|
|
.communication_format = I2S_COMM_FORMAT_I2S | I2S_COMM_FORMAT_I2S_MSB,
|
|
.dma_buf_count = 6,
|
|
.dma_buf_len = 60, //
|
|
.intr_alloc_flags = ESP_INTR_FLAG_LEVEL1 //Interrupt level 1
|
|
};
|
|
|
|
|
|
i2s_driver_install(0, &i2s_config, 0, NULL);
|
|
#ifdef CONFIG_A2DP_SINK_OUTPUT_INTERNAL_DAC
|
|
i2s_set_pin(0, NULL);
|
|
#else
|
|
i2s_pin_config_t pin_config = {
|
|
.bck_io_num = CONFIG_I2S_BCK_PIN,
|
|
.ws_io_num = CONFIG_I2S_LRCK_PIN,
|
|
.data_out_num = CONFIG_I2S_DATA_PIN,
|
|
.data_in_num = -1 //Not used
|
|
};
|
|
|
|
i2s_set_pin(0, &pin_config);
|
|
#endif
|
|
|
|
|
|
ESP_ERROR_CHECK(esp_bt_controller_mem_release(ESP_BT_MODE_BLE));
|
|
|
|
esp_bt_controller_config_t bt_cfg = BT_CONTROLLER_INIT_CONFIG_DEFAULT();
|
|
if (esp_bt_controller_init(&bt_cfg) != ESP_OK) {
|
|
ESP_LOGE(BT_AV_TAG, "%s initialize controller failed\n", __func__);
|
|
return;
|
|
}
|
|
|
|
if (esp_bt_controller_enable(ESP_BT_MODE_CLASSIC_BT) != ESP_OK) {
|
|
ESP_LOGE(BT_AV_TAG, "%s enable controller failed\n", __func__);
|
|
return;
|
|
}
|
|
|
|
if (esp_bluedroid_init() != ESP_OK) {
|
|
ESP_LOGE(BT_AV_TAG, "%s initialize bluedroid failed\n", __func__);
|
|
return;
|
|
}
|
|
|
|
if (esp_bluedroid_enable() != ESP_OK) {
|
|
ESP_LOGE(BT_AV_TAG, "%s enable bluedroid failed\n", __func__);
|
|
return;
|
|
}
|
|
|
|
/* create application task */
|
|
bt_app_task_start_up();
|
|
|
|
/* Bluetooth device name, connection mode and profile set up */
|
|
bt_app_work_dispatch(bt_av_hdl_stack_evt, BT_APP_EVT_STACK_UP, NULL, 0, NULL);
|
|
}
|
|
|
|
|
|
static void bt_av_hdl_stack_evt(uint16_t event, void *p_param)
|
|
{
|
|
ESP_LOGD(BT_AV_TAG, "%s evt %d", __func__, event);
|
|
switch (event) {
|
|
case BT_APP_EVT_STACK_UP: {
|
|
/* set up device name */
|
|
char *dev_name = "ESP_SPEAKER";
|
|
esp_bt_dev_set_device_name(dev_name);
|
|
|
|
/* initialize A2DP sink */
|
|
esp_a2d_register_callback(&bt_app_a2d_cb);
|
|
esp_a2d_sink_register_data_callback(bt_app_a2d_data_cb);
|
|
esp_a2d_sink_init();
|
|
|
|
/* initialize AVRCP controller */
|
|
esp_avrc_ct_init();
|
|
esp_avrc_ct_register_callback(bt_app_rc_ct_cb);
|
|
|
|
/* set discoverable and connectable mode, wait to be connected */
|
|
esp_bt_gap_set_scan_mode(ESP_BT_SCAN_MODE_CONNECTABLE_DISCOVERABLE);
|
|
break;
|
|
}
|
|
default:
|
|
ESP_LOGE(BT_AV_TAG, "%s unhandled evt %d", __func__, event);
|
|
break;
|
|
}
|
|
}
|