Bluetooth Serial Console

The below information will help you setup bluetooth as a serial console on the Raspberry Pi. This is WILDLY INSECURE and should NEVER be trusted.

This is here for folks who don't want to add a serial adapter to their builds and/or need a quick and dirty way to get into a PiFrame from their phone.

DO NOT USE THIS IF YOU'RE UNSURE OF THE SECURITY IMPLICATIONS



https://www.historiantech.com/create-a-bluetooth-wireless-console-server-with-raspberry-pi-zero-w/
https://www.raspberrypi.org/forums/viewtopic.php?t=272419
https://www.raspberrypi.org/forums/viewtopic.php?t=170353
https://play.google.com/store/apps/details?id=de.kai_morich.serial_bluetooth_terminal


apt install pi-bluetooth python-pexpect python-dbus rfkill
systemctl reboot


echo "PRETTY_HOSTNAME=piframe" > /etc/machine-info


/usr/local/bin/bt-auto-agent
/usr/local/bin/bluezutils.py
/usr/local/bin/BtAutoPair.py


sed -i 's/#DiscoverableTimeout = 0/DiscoverableTimeout = 0/g' /etc/bluetooth/main.conf

nano -w /usr/local/bin/bt-config.sh
#!/usr/bin/python2
import BtAutoPair
autopair = BtAutoPair.BtAutoPair()
autopair.enable_pairing()

chmod a+x /usr/local/bin/bt-config.sh

mkdir /etc/systemd/system/bluetooth.service.d/
cat > /etc/systemd/system/bluetooth.service.d/piframe.conf <<EOF
[Service]
ExecStartPre=/usr/bin/hciconfig hci0 up
ExecStart=
ExecStart=/usr/lib/bluetooth/bluetoothd -C
ExecStartPost=/usr/bin/sdptool add SP
ExecStartPost=/bin/hciconfig hci0 piscan
ExecStartPost=/usr/local/bin/bt-config.sh
EOF

cat > /etc/systemd/system/rfcomm.service <<EOF
[Unit]
Description=RFCOMM service
After=bluetooth.service
Requires=bluetooth.service

[Service]
ExecStart=/usr/bin/rfcomm watch hci0 1 getty rfcomm0 115200 vt100

[Install]
WantedBy=multi-user.target
EOF


systemctl daemon-reload
systemctl enable --now bluetooth.service
systemctl restart bluetooth.service
systemctl enable --now rfcomm

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Bluetooth Serial Console

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