b35d9002f3
When I2S `i2s_comm_format_t` is set to `I2S_COMM_FORMAT_I2S_MSB`, the data should launch at first BCK. But not in fact, this MR fixed this issue.
For compatibility, several nwe parameters have been added, and the old parameters will be removed in the future.
closes https://github.com/espressif/esp-idf/issues/5065
closes https://github.com/espressif/esp-idf/issues/4957
closes https://github.com/espressif/esp-idf/issues/2978
closes https://github.com/espressif/esp-idf/issues/5136
Merges https://github.com/espressif/esp-idf/pull/4522
206 lines
6.9 KiB
C
206 lines
6.9 KiB
C
// Copyright 2015-2016 Espressif Systems (Shanghai) PTE LTD
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "nvs.h"
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#include "nvs_flash.h"
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#include "esp_system.h"
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#include "esp_log.h"
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#include "esp_bt.h"
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#include "bt_app_core.h"
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#include "bt_app_av.h"
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#include "esp_bt_main.h"
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#include "esp_bt_device.h"
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#include "esp_gap_bt_api.h"
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#include "esp_a2dp_api.h"
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#include "esp_avrc_api.h"
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#include "driver/i2s.h"
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/* event for handler "bt_av_hdl_stack_up */
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enum {
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BT_APP_EVT_STACK_UP = 0,
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};
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/* handler for bluetooth stack enabled events */
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static void bt_av_hdl_stack_evt(uint16_t event, void *p_param);
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void app_main(void)
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{
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/* Initialize NVS — it is used to store PHY calibration data */
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esp_err_t err = nvs_flash_init();
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if (err == ESP_ERR_NVS_NO_FREE_PAGES || err == ESP_ERR_NVS_NEW_VERSION_FOUND) {
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ESP_ERROR_CHECK(nvs_flash_erase());
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err = nvs_flash_init();
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}
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ESP_ERROR_CHECK(err);
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i2s_config_t i2s_config = {
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#ifdef CONFIG_EXAMPLE_A2DP_SINK_OUTPUT_INTERNAL_DAC
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.mode = I2S_MODE_MASTER | I2S_MODE_TX | I2S_MODE_DAC_BUILT_IN,
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#else
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.mode = I2S_MODE_MASTER | I2S_MODE_TX, // Only TX
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#endif
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.sample_rate = 44100,
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.bits_per_sample = 16,
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.channel_format = I2S_CHANNEL_FMT_RIGHT_LEFT, //2-channels
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.communication_format = I2S_COMM_FORMAT_STAND_MSB,
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.dma_buf_count = 6,
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.dma_buf_len = 60,
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.intr_alloc_flags = 0, //Default interrupt priority
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.tx_desc_auto_clear = true //Auto clear tx descriptor on underflow
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};
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i2s_driver_install(0, &i2s_config, 0, NULL);
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#ifdef CONFIG_EXAMPLE_A2DP_SINK_OUTPUT_INTERNAL_DAC
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i2s_set_dac_mode(I2S_DAC_CHANNEL_BOTH_EN);
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i2s_set_pin(0, NULL);
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#else
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i2s_pin_config_t pin_config = {
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.bck_io_num = CONFIG_EXAMPLE_I2S_BCK_PIN,
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.ws_io_num = CONFIG_EXAMPLE_I2S_LRCK_PIN,
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.data_out_num = CONFIG_EXAMPLE_I2S_DATA_PIN,
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.data_in_num = -1 //Not used
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};
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i2s_set_pin(0, &pin_config);
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#endif
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ESP_ERROR_CHECK(esp_bt_controller_mem_release(ESP_BT_MODE_BLE));
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esp_bt_controller_config_t bt_cfg = BT_CONTROLLER_INIT_CONFIG_DEFAULT();
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if ((err = esp_bt_controller_init(&bt_cfg)) != ESP_OK) {
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ESP_LOGE(BT_AV_TAG, "%s initialize controller failed: %s\n", __func__, esp_err_to_name(err));
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return;
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}
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if ((err = esp_bt_controller_enable(ESP_BT_MODE_CLASSIC_BT)) != ESP_OK) {
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ESP_LOGE(BT_AV_TAG, "%s enable controller failed: %s\n", __func__, esp_err_to_name(err));
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return;
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}
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if ((err = esp_bluedroid_init()) != ESP_OK) {
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ESP_LOGE(BT_AV_TAG, "%s initialize bluedroid failed: %s\n", __func__, esp_err_to_name(err));
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return;
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}
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if ((err = esp_bluedroid_enable()) != ESP_OK) {
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ESP_LOGE(BT_AV_TAG, "%s enable bluedroid failed: %s\n", __func__, esp_err_to_name(err));
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return;
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}
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/* create application task */
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bt_app_task_start_up();
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/* Bluetooth device name, connection mode and profile set up */
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bt_app_work_dispatch(bt_av_hdl_stack_evt, BT_APP_EVT_STACK_UP, NULL, 0, NULL);
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#if (CONFIG_BT_SSP_ENABLED == true)
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/* Set default parameters for Secure Simple Pairing */
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esp_bt_sp_param_t param_type = ESP_BT_SP_IOCAP_MODE;
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esp_bt_io_cap_t iocap = ESP_BT_IO_CAP_IO;
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esp_bt_gap_set_security_param(param_type, &iocap, sizeof(uint8_t));
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#endif
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/*
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* Set default parameters for Legacy Pairing
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* Use fixed pin code
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*/
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esp_bt_pin_type_t pin_type = ESP_BT_PIN_TYPE_FIXED;
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esp_bt_pin_code_t pin_code;
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pin_code[0] = '1';
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pin_code[1] = '2';
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pin_code[2] = '3';
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pin_code[3] = '4';
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esp_bt_gap_set_pin(pin_type, 4, pin_code);
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}
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void bt_app_gap_cb(esp_bt_gap_cb_event_t event, esp_bt_gap_cb_param_t *param)
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{
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switch (event) {
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case ESP_BT_GAP_AUTH_CMPL_EVT: {
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if (param->auth_cmpl.stat == ESP_BT_STATUS_SUCCESS) {
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ESP_LOGI(BT_AV_TAG, "authentication success: %s", param->auth_cmpl.device_name);
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esp_log_buffer_hex(BT_AV_TAG, param->auth_cmpl.bda, ESP_BD_ADDR_LEN);
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} else {
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ESP_LOGE(BT_AV_TAG, "authentication failed, status:%d", param->auth_cmpl.stat);
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}
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break;
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}
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#if (CONFIG_BT_SSP_ENABLED == true)
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case ESP_BT_GAP_CFM_REQ_EVT:
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ESP_LOGI(BT_AV_TAG, "ESP_BT_GAP_CFM_REQ_EVT Please compare the numeric value: %d", param->cfm_req.num_val);
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esp_bt_gap_ssp_confirm_reply(param->cfm_req.bda, true);
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break;
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case ESP_BT_GAP_KEY_NOTIF_EVT:
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ESP_LOGI(BT_AV_TAG, "ESP_BT_GAP_KEY_NOTIF_EVT passkey:%d", param->key_notif.passkey);
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break;
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case ESP_BT_GAP_KEY_REQ_EVT:
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ESP_LOGI(BT_AV_TAG, "ESP_BT_GAP_KEY_REQ_EVT Please enter passkey!");
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break;
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#endif
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default: {
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ESP_LOGI(BT_AV_TAG, "event: %d", event);
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break;
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}
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}
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return;
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}
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static void bt_av_hdl_stack_evt(uint16_t event, void *p_param)
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{
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ESP_LOGD(BT_AV_TAG, "%s evt %d", __func__, event);
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switch (event) {
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case BT_APP_EVT_STACK_UP: {
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/* set up device name */
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char *dev_name = "ESP_SPEAKER";
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esp_bt_dev_set_device_name(dev_name);
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esp_bt_gap_register_callback(bt_app_gap_cb);
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/* initialize AVRCP controller */
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esp_avrc_ct_init();
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esp_avrc_ct_register_callback(bt_app_rc_ct_cb);
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/* initialize AVRCP target */
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assert (esp_avrc_tg_init() == ESP_OK);
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esp_avrc_tg_register_callback(bt_app_rc_tg_cb);
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esp_avrc_rn_evt_cap_mask_t evt_set = {0};
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esp_avrc_rn_evt_bit_mask_operation(ESP_AVRC_BIT_MASK_OP_SET, &evt_set, ESP_AVRC_RN_VOLUME_CHANGE);
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assert(esp_avrc_tg_set_rn_evt_cap(&evt_set) == ESP_OK);
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/* initialize A2DP sink */
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esp_a2d_register_callback(&bt_app_a2d_cb);
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esp_a2d_sink_register_data_callback(bt_app_a2d_data_cb);
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esp_a2d_sink_init();
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/* set discoverable and connectable mode, wait to be connected */
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esp_bt_gap_set_scan_mode(ESP_BT_CONNECTABLE, ESP_BT_GENERAL_DISCOVERABLE);
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break;
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}
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default:
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ESP_LOGE(BT_AV_TAG, "%s unhandled evt %d", __func__, event);
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break;
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}
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}
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