Contents 1 Bluetooth Functionality 2 Associating Bluetooth Headphone with GuruPlug 3 Playing a .wav file on the Bluetooth Headphones 4 Reference

Bluetooth Functionality

• The Bluetooth functionality is available in both WiFi Access Point mode and WiFi Client mode.

• Upon bootup, GuruPlug will come up in Access Point mode. There is no need to switch to WiFi Client mode for BT functionality.

Associating Bluetooth Headphone with GuruPlug

• Scan near-by Bluetooth devices using following command, and note the MAC address of the BT Headphone you want to associate with.

 hcitool -i hci0 scan

• A python wrapper script is available to help associate with any Bluetooth device. You can download it from here.
  • This script needs python dbus module. Install it using following command.

apt-get install python-dbus

• Now run scipt and enter MAC address of BT Headphone you want to associate with (noted in the first step).

./bt_headphones.py
Please put your headphones in pairing mode and press Enter:
Enter the BT headphones' MAC Address:

• The headphones will now be associated with GuruPlug.

Playing a .wav file on the Bluetooth Headphones

• After successful association, create asoundrc file using following command.

 cp /usr/share/alsa/bluetooth.conf ~/.asoundrc

• Now you can play any .wav file using following command.

aplay -Dplug:headset -f S16_LE <file name>

Reference

http://wiki.bluez.org/wiki/HOWTO/AudioDevices