Bluetooth/Serial
Using an XO laptop as a serial console via Bluetooth.
Ingredients
- an XO-4 laptop as console, the host, with either 8787 wireless adapter or a Bluetooth USB adapter,
- the XO laptop under test, the target,
- a Sparkfun BlueSMiRF or Mate Bluetooth serial modem,
- a 3.3V supply for the modem.
Recipe
Wire Target
- connect ground, TX, and RX from the XO to the modem,
- connect 3.3V supply to modem,
Configure Host
- install the screen package,
sudo yum install -y screen
- copy bluez-simple-agent and bluez-test-device from a system running Ubuntu or Debian (since Fedora doesn't package these scripts in the bluez package),
- start the Bluetooth server,
sudo chkconfig bluetooth on sudo service bluetooth start
Connect via Bluetooth
- scan for and identify the modem,
hcitool scan
- pair the host and the modem,
sudo bluez-simple-agent hci0 68:37:D3:00:06:66 sudo bluez-test-device trusted 68:37:D3:00:06:66
- bind the connection to a terminal device,
sudo rfcomm bind 0 68:37:D3:00:06:66
- start screen and begin typing
screen /dev/rfcomm0 115200
May also be necessary to deal with data corruption introduced by Modem Manager.
