关于HFP AG建立音频连接的问题
Posted: Thu Aug 25, 2022 9:35 am
使用了官方IDF里HFP AG的例程，试着连接了三款蓝牙耳机，能够建立蓝牙连接，但是无法建立音频连接（audio connection）,串口LOG显示如下：
Connect Audio
[0;33mW (42785) BT_BTM: BTM Remote does not support 3-EDR eSCO
[0;31mE (42785) BT_BTM: btm_sco_connected, handle 81
[0;33mW (42785) BT_BTM: BTM Remote does not support 3-EDR eSCO
[0;32mI (42795) BT_APP_HF: APP HFP event: AUDIO_STATE_EVT
[0;31mE (42795) BT_BTM: btm_sco_connected, handle 81
[0;32mI (42805) BT_APP_HF: --Audio State connecting
[0;32mI (42805) BT_APP_HF: APP HFP event: AUDIO_STATE_EVT
[0;32mI (42815) BT_APP_HF: --Audio State disconnected
Connect Audio
[0;33mW (42785) BT_BTM: BTM Remote does not support 3-EDR eSCO
[0;31mE (42785) BT_BTM: btm_sco_connected, handle 81
[0;33mW (42785) BT_BTM: BTM Remote does not support 3-EDR eSCO
[0;32mI (42795) BT_APP_HF: APP HFP event: AUDIO_STATE_EVT
[0;31mE (42795) BT_BTM: btm_sco_connected, handle 81
[0;32mI (42805) BT_APP_HF: --Audio State connecting
[0;32mI (42805) BT_APP_HF: APP HFP event: AUDIO_STATE_EVT
[0;32mI (42815) BT_APP_HF: --Audio State disconnected