65 lines
3.4 KiB
ReStructuredText
65 lines
3.4 KiB
ReStructuredText
|
Central Project
|
||
|
|
======================================
|
||
|
|
|
||
|
|
:link_to_translation:`zh_CN:[中文]`
|
||
|
|
|
||
|
|
1 Function Overview
|
||
|
|
-------------------------------------
|
||
|
|
This project show how pad work with main function: bluetooth a2dp source/avrcp tg ct/ble
|
||
|
|
|
||
|
|
2 Code Path
|
||
|
|
-------------------------------------
|
||
|
|
demo:`./projects/bluetooth/central <https://gitlab.bekencorp.com/wifi/armino/-/tree/main/projects/bluetooth/central>`_
|
||
|
|
|
||
|
|
build cmd:``make bk7258 PROJECT=bluetooth/central``
|
||
|
|
|
||
|
|
2 project path
|
||
|
|
----------------------------
|
||
|
|
- central: ``project/bluetooth/central``
|
||
|
|
|
||
|
|
|
||
|
|
3 a2dp source cli introduce
|
||
|
|
-------------------------------------
|
||
|
|
|
||
|
|
+--------------------------------------------------+---------------------------------------+
|
||
|
|
| a2dp_player connect <xx:xx:xx:xx:xx:xx> | connect to soundbar |
|
||
|
|
+--------------------------------------------------+---------------------------------------+
|
||
|
|
| a2dp_player disconnect <xx:xx:xx:xx:xx:xx> | disconnect |
|
||
|
|
+--------------------------------------------------+---------------------------------------+
|
||
|
|
| a2dp_player play <xxx.mp3> | play mp3 |
|
||
|
|
+--------------------------------------------------+---------------------------------------+
|
||
|
|
| a2dp_player stop | stop play |
|
||
|
|
+--------------------------------------------------+---------------------------------------+
|
||
|
|
| a2dp_player pause | pause |
|
||
|
|
+--------------------------------------------------+---------------------------------------+
|
||
|
|
| a2dp_player resume | resume |
|
||
|
|
+--------------------------------------------------+---------------------------------------+
|
||
|
|
| a2dp_player abs_vol <xxx> | set remote absolute volume 0 ~ 127 |
|
||
|
|
| | (depend on peer impl) |
|
||
|
|
+--------------------------------------------------+---------------------------------------+
|
||
|
|
|
||
|
|
4 a2dp source test procedure
|
||
|
|
-------------------------------------
|
||
|
|
|
||
|
|
| 1.Find a sdcard format exfat, copy project/bluetooth/central/1_qcs.mp3 to root dir. (Must be 16bits mp3)
|
||
|
|
| 2.Insert sdcard and power on.
|
||
|
|
| 3.Make soundbar enter pair mode.
|
||
|
|
| 4.Input ``a2dp_player connect xx:xx:xx:xx:xx:xx`` (xx means soundbar addr).
|
||
|
|
| 5.Input ``a2dp_player play xxx.mp3``
|
||
|
|
| 6.Now you can here soundbar playing music.(You should play after connection complete as soon as possible, and don't stop, ref chapter 5)
|
||
|
|
| 7.You can stop or pause when play, play when stop.
|
||
|
|
|
||
|
|
|
||
|
|
5 compatibility describes
|
||
|
|
|
||
|
|
| 1.In music playing scenario, some soundbars(e.g. JBL) would disconnect(JBL would power up bluetooth) link when stop(local a2dp_player stop or peer avdtp suspend) too long. log will show "bt_api_event_cb:Disconnected from xx:xx:xx:xx:xx:xx"
|
||
|
|
| 2.Some soundbars(e.g. xiaomi) would not register avrcp playback and could express inconformitily status between local and peer.
|
||
|
|
| 3.Some soundbars(e.g. xiaomi) would not report avrcp volume changed evt, so central could not know.
|
||
|
|
| 4.Some soundbars(e.g. xiaomi) does not support absolute volume.
|
||
|
|
|
||
|
|
6 Attention
|
||
|
|
-------------------------------------
|
||
|
|
|
||
|
|
| 1.Log would show "f_mount failed" or "read data crc error" when sdcard failed.
|
||
|
|
|