关于树莓派通过蓝牙连接SensorTile.box

2万 · 2020-11-3 11:06

打开系统蓝牙
sudo service bluetooth start
进入bluetoothctl
Sudo bluetoothctl
输入以下命令
power on
agent on
default-agent
scan on
pair C0:50:27:32:09:33
连接成功以后
[bluetooth]# pair c0:50:27:32:09:33
Attempting to pair with C0:50:27:32:09:33
[CHG] Device C0:50:27:32:09:33 Connected: yes
[NEW] Primary Service
      /org/bluez/hci0/dev_C0_50_27_32_09_33/service0001
      00001801-0000-1000-8000-00805f9b34fb
      Generic Attribute Profile
[NEW] Characteristic
      /org/bluez/hci0/dev_C0_50_27_32_09_33/service0001/char0002
      00002a05-0000-1000-8000-00805f9b34fb
      Service Changed
[NEW] Descriptor
      /org/bluez/hci0/dev_C0_50_27_32_09_33/service0001/char0002/desc0004
      00002902-0000-1000-8000-00805f9b34fb
      Client Characteristic Configuration
[NEW] Primary Service
      /org/bluez/hci0/dev_C0_50_27_32_09_33/service000c
      00000000-000e-11e1-9ab4-0002a5d5c51b
      Vendor specific
[NEW] Characteristic
      /org/bluez/hci0/dev_C0_50_27_32_09_33/service000c/char000d
      00000001-000e-11e1-ac36-0002a5d5c51b
      Vendor specific
[NEW] Descriptor
      /org/bluez/hci0/dev_C0_50_27_32_09_33/service000c/char000d/desc000f
      00002902-0000-1000-8000-00805f9b34fb
      Client Characteristic Configuration
[NEW] Characteristic
      /org/bluez/hci0/dev_C0_50_27_32_09_33/service000c/char0010
      00000002-000e-11e1-ac36-0002a5d5c51b
      Vendor specific
[NEW] Descriptor
      /org/bluez/hci0/dev_C0_50_27_32_09_33/service000c/char0010/desc0012
      00002902-0000-1000-8000-00805f9b34fb
      Client Characteristic Configuration
[NEW] Primary Service
      /org/bluez/hci0/dev_C0_50_27_32_09_33/service0013
      00000000-0003-11e1-9ab4-0002a5d5c51b
      Vendor specific
[NEW] Characteristic
      /org/bluez/hci0/dev_C0_50_27_32_09_33/service0013/char0014
      00000100-0001-11e1-ac36-0002a5d5c51b
      Vendor specific
[NEW] Descriptor
      /org/bluez/hci0/dev_C0_50_27_32_09_33/service0013/char0014/desc0016
      00002902-0000-1000-8000-00805f9b34fb
      Client Characteristic Configuration
[NEW] Primary Service
      /org/bluez/hci0/dev_C0_50_27_32_09_33/service0017
      00000000-0001-11e1-9ab4-0002a5d5c51b
      Vendor specific
[NEW] Characteristic
      /org/bluez/hci0/dev_C0_50_27_32_09_33/service0017/char0018
      00020000-0001-11e1-ac36-0002a5d5c51b
      Vendor specific
[NEW] Descriptor
      /org/bluez/hci0/dev_C0_50_27_32_09_33/service0017/char0018/desc001a
      00002902-0000-1000-8000-00805f9b34fb
      Client Characteristic Configuration

而且可以通过info看到
[TILEBOX]# info
Device C0:50:27:32:09:33 (public)
      Name: TILEBOX
      Alias: TILEBOX
      Paired: yes
      Trusted: yes
      Blocked: no
      Connected: yes
      LegacyPairing: no
      UUID: Vendor specific          (00000000-0001-11e1-9ab4-0002a5d5c51b)
      UUID: Vendor specific          (00000000-0003-11e1-9ab4-0002a5d5c51b)
      UUID: Vendor specific          (00000000-000e-11e1-9ab4-0002a5d5c51b)
      UUID: Generic Access Profile (00001800-0000-1000-8000-00805f9b34fb)
      UUID: Generic Attribute Profile (00001801-0000-1000-8000-00805f9b34fb)
很可惜，这个连接不稳定，很快出现
Failed to pair: org.bluez.Error.AuthenticationFailed
[CHG] Device C0:50:27:32:09:33 Connected: no
出现这个问题后，再次连接不成功，即使重启树莓派也无效，但此时只需要重启SensorTile.Box就可以再次连接。
原因暂不明，怀疑是我手上的SensorTile.Box蓝牙不稳定造成。