| 参数 | value |
|---|---|
| raspberry pi MOdel | 4B，4Gb |
| bluetooth MOdel | 小爱同学 |
| writeTime | 2023年 2月11日 下午13：14分 |
| raspberry System Model | Linux raspberrypi 5.15.61-v8+ #1579 SMP PREEMPT Fri Aug 26 11:16:44 BST 2022 aarch64 GNU/Linux |
连接蓝牙
请在小爱同学app上确认蓝牙可以被发现。
打开命令行
Ctrl+Alt+T
切换到蓝牙
输入：bluetoothctl
打开代理
打开代理：agent on
扫描蓝牙
输入命令扫描蓝牙： scan on
找到对应的蓝牙之后进行配对
配对 ：pair XX：XX：XX
连接
连接：connection XX：XX：XX：XX
连接上之后
选择信任蓝牙：trust XX：XX：XX
连接上蓝牙没有声音
- 确认蓝牙有电，并调整到一个合适的音量
- 确认raspberry音量合适
- 右键raspberry的音量图标，选择第三个Device Profiles，关闭或开始某一个进行音量的设置。
如果之前已经连接过了
如果之前已经连接过小爱同学了，但是再次连接连接不上去，可以让小爱同学连接互联网，然后：
你：小爱同学。
小爱同学：在
你：连接蓝牙
小爱同学：蓝牙已连接
命令的解释
[bluetooth]# help
Menu main:
Available commands:
-------------------
advertise Advertise Options Submenu
scan Scan Options Submenu
gatt Generic Attribute Submenu
list List available controllers
show [ctrl] Controller information
select <ctrl> Select default controller
devices List available devices
paired-devices List paired devices
system-alias <name> Set controller alias
reset-alias Reset controller alias
power <on/off> Set controller power
pairable <on/off> Set controller pairable mode
discoverable <on/off> Set controller discoverable mode
discoverable-timeout [value] Set discoverable timeout
agent <on/off/capability> Enable/disable agent with given capability
default-agent Set agent as the default one
advertise <on/off/type> Enable/disable advertising with given type
set-alias <alias> Set device alias
scan <on/off> Scan for devices
info [dev] Device information
pair [dev] Pair with device
cancel-pairing [dev] Cancel pairing with device
trust [dev] Trust device
untrust [dev] Untrust device
block [dev] Block device
unblock [dev] Unblock device
remove <dev> Remove device
connect <dev> Connect device
disconnect [dev] Disconnect device
menu <name> Select submenu
version Display version
quit Quit program
exit Quit program
help Display help about this program
export Print environment variables
