Search found 4 matches
- Wed Apr 17, 2019 2:30 am
- Forum: ESP-IDF 中文讨论版
- Topic: 蓝牙a2dp sink模式，关闭蓝牙后，重新打开，无法连接
- Replies: 0
- Views: 4620
蓝牙a2dp sink模式，关闭蓝牙后，重新打开，无法连接
失能蓝牙，反初始化，关闭主任务 然后，再次初始化，开启蓝牙、主任务，可以连接蓝牙，但是不能作为音频设备连接上。 只能用一次的蓝牙音箱，不符合要求啊！ 测试代码如下： ret = esp_bluedroid_disable(); ESP_LOGI(BT_AV_TAG, "esp_bluedroid_disable"); vTaskDelay(2*1000/portTICK_RATE_MS); ret = esp_bluedroid_deinit(); ESP_LOGI(BT_AV_TAG, "esp_bluedroid_deinit"); vTaskDelay(2*1000/portTICK_R...
- Wed Dec 12, 2018 5:32 am
- Forum: ESP-IDF
- Topic: Change volume or loudness for ESP32 A2DP sink
- Replies: 2
- Views: 4791
Re: Change volume or loudness for ESP32 A2DP sink
synthesis-8-generated.c line48
#define MUL_16S_16S(_x, _y) ((_x)/32 * (_y))
#define MUL_16S_16S(_x, _y) ((_x)/32 * (_y))
- Wed Dec 12, 2018 5:31 am
- Forum: ESP-IDF
- Topic: Change volume or loudness for ESP32 A2DP sink
- Replies: 2
- Views: 4791
Re: Change volume or loudness for ESP32 A2DP sink
i have changed filter bank. seems solve that problem
- #define MUL_16S_16S(_x, _y) ((_x)/16 * (_y))
- Fri Nov 30, 2018 2:23 am
- Forum: ESP-IDF
- Topic: Change volume or loudness for ESP32 A2DP sink
- Replies: 2
- Views: 4791
Change volume or loudness for ESP32 A2DP sink
I'm working on a A2DP sink application modified from A2DP example, but the defult volume is too loud, even I turn down the volume on iphone to minimum level. How to config the volume in bluedroid of esp-idf ? Change these lines are useless. btc_rc_vb.rc_volume = MAX_VOLUME; //btc_avrc.c line 161 UIN...