RPI: Headless BT
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Prepare bluetooth service
sudo joe /lib/systemd/system/bluetooth.service
ExecStart=/usr/lib/bluetooth/bluetoothd -C ExecStartPost=/usr/bin/sdptool add SP ExecStartPost=/bin/hciconfig hci0 piscan
Reboot PI
Prepare new rfcomm service
sudo joe /etc/systemd/system/rfcomm.service
[Unit] Description=RFCOMM service After=bluetooth.service Requires=bluetooth.service [Service] ExecStart=/usr/bin/rfcomm watch hci0 1 getty rfcomm0 115200 vt100 -a pi [Install] WantedBy=multi-user.target
Start new service:
sudo systemctl enable rfcomm sudo systemctl start rfcomm
Pair device with laptop
$ sudo bluetoothctl [bluetooth]# discoverable on
Pair device
[bluetooth]# discoverable off
On laptop:
sudo screen /dev/rfcomm0
- presto*