September 2003
Intermediate to advanced
304 pages
8h 39m
English
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Using Bluetooth with Linux
Get Bluetooth up and running quickly under Linux 2.4.
As you might expect, getting Bluetooth to work under Linux takes a little more work than other operating systems. First, it should be noted that there are actually three distinct Bluetooth protocol stacks for Linux: Affix, OpenBT, and BlueZ, each with varying support for different Bluetooth adapters, and each with somewhat distinct means of configuration. Since BlueZ has been crowned as the “official” Linux Bluetooth stack, that’s the one we’ll focus on here.
First, make sure you have a supported Bluetooth adapter. You can find a reasonably current list of BlueZ-supported hardware at http://www.holtmann.org/linux/bluetooth/devices.html.
Next, you’ll need to
make sure that your kernel has Bluetooth support enabled. Kernels
shipped with both the Red Hat 9.0 and Debian
“Sarge” distributions already
include Bluetooth support. You can test your kernel for Bluetooth
supports by running modprobe
rfcomm as root. If the modprobe fails,
you’ll need to rebuild your kernel.
In the event of a failure, build and install a fresh copy of the Linux kernel at Version 2.4.21 or better (or 2.4.20 with the -mh6 patch). When you configure the kernel, select all of the options under “Bluetooth support” to be built as separate modules. However, be sure that the “USB Bluetooth support” option under “USB support” is disabled—this compiles in UART support the OpenBT protocol stack, which will interfere with the BlueZ stack. ...
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I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
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I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.