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bluetooth.md

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Pinenote bluetooth connection to Logitech K480 keyboard

root@pinenote:~# dmesg | grep Bluetooth
[    3.580865] Bluetooth: Core ver 2.22
[    3.581852] Bluetooth: HCI device and connection manager initialized
[    3.582457] Bluetooth: HCI socket layer initialized
[    3.582915] Bluetooth: L2CAP socket layer initialized
[    3.583418] Bluetooth: SCO socket layer initialized
[    3.585098] Bluetooth: HIDP (Human Interface Emulation) ver 1.2
[    3.585696] Bluetooth: HIDP socket layer initialized
[    9.733121] Bluetooth: HCI UART driver ver 2.3
[    9.733136] Bluetooth: HCI UART protocol H4 registered
[    9.733438] Bluetooth: HCI UART protocol Broadcom registered
[   10.256383] Bluetooth: hci0: BCM: chip id 107
[   10.264081] Bluetooth: hci0: BCM: features 0x2f
[   10.296721] Bluetooth: hci0: BCM4345C0
[   10.302311] Bluetooth: hci0: BCM4345C0 (003.001.025) build 0000
[   10.318376] Bluetooth: hci0: BCM4345C0 'brcm/BCM4345C0.hcd' Patch
[   18.557907] Bluetooth: hci0: BCM43455 37.4MHz Raspberry Pi 3+-0159
[   18.558619] Bluetooth: hci0: BCM4345C0 (003.001.025) build 0290

  • Modules hidp and uhid compiled as modules

  • Connect via bluetoothctl::

      root@pinenote:~# bluetoothctl
  Agent registered
  [CHG] Controller 90:C3:68:B9:CA:54 Pairable: yes
  [bluetooth]# power on
  Changing power on succeeded
  [bluetooth]# discoverable on
  Changing discoverable on succeeded
  [CHG] Controller 90:C3:68:B9:CA:54 Discoverable: yes
  [bluetooth]# pairable on
  Changing pairable on succeeded
  [bluetooth]# agent KeyboardOnly
  Agent is already registered
  [bluetooth]# default-agent
  Default agent request successful
  [bluetooth]# scan on
  Discovery started
  [CHG] Controller 90:C3:68:B9:CA:54 Discovering: yes
  [...]
  [NEW] Device F4:73:35:6B:38:D0 Keyboard K480
  [...]
  [bluetooth]# pair F4:73:47:6B:38:D0
  Attempting to pair with F4:73:47:6B:38:D0
  [agent] Passkey: 183308
  [agent] Passkey: 183308
  [agent] Passkey: 183308
  [agent] Passkey: 183308
  [agent] Passkey: 183308
  [agent] Passkey: 183308
  [agent] Passkey: 183308
  [CHG] Device F4:73:47:6B:38:D0 Paired: yes
  Pairing successful
  [Keyboard K480]# trust F4:73:47:6B:38:D0
  Changing F4:73:47:6B:38:D0 trust succeeded
  [bluetooth]# connect F4:73:47:6B:38:D0
  Attempting to connect to F4:73:47:6B:38:D0
  [CHG] Device F4:73:47:6B:38:D0 Connected: yes
  Connection successful
  [Keyboard K480]#