This page explains how to create an image with enabled Bluetooth.

Current images with BT enabled

• baseline-2.3.ndz with nodeAgent4 detailed here.

• bluetooth-0.1.2.ndz built on baseline-1.0.9.nzd with old madwifi and kernel 2.6.12

The reason to keep this is that old madwifi certainly allows to change transmit power.

Making Bluetooth work

The kernel must have USB and Bluetooth support enabled. If that is not the case:

/usr/src/<path to your kernel source># make menuconfig

To make USB sticks recognized on boot, select:

• USB:

     Device Drivers --->
       <M> USB Support --->
  

• Bluetooth:

     Device Drivers --->
       Networking Support --->
         <M> Bluetooth Subsystem Support --->
  

Compile the kernel and reboot. There should be /proc/bus/usb directory created.

apt-get install bluetooth
/etc/init.d/bluetooth start

After that you should be able to see something like:

node1-1:~# hciconfig
hci0:   Type: USB
        BD Address: 00:0A:3A:53:D4:82 ACL MTU: 192:8 SCO MTU: 64:8
        UP RUNNING PSCAN ISCAN 
        RX bytes:395 acl:0 sco:0 events:17 errors:0
        TX bytes:313 acl:0 sco:0 commands:16 errors:0

In order to save the image, and be able to login to the node by means other than the serial console delete the following file if exists:

node1-1:/etc/udev/rules.d# rm z25_persistent-net.rules

Otherwise, saving an image causes the interfaces to "shift" from eth0 and eth1 to eth2 and eth3, and the node is after imaging accessible only through the serial console.

Some usefull links

​http://www.gentoo.org/doc/en/bluetooth-guide.xml

​http://wiki.debian.org/Bluetooth

​http://www.linux-usb.org/USB-guide/book1.html