On Wed, Oct 20, 2010 at 8:35 AM, Miguel Rodriguez Caudevilla
<[email protected]> wrote:
> Hello,
>
> I am going to start my master thesis and I would like to help to develop
> some sections of the zigbee stack under GNU/Linux. I've worked for several

There is an open source Zigbee implementation here:
http://freaklabs.org/index.php/FreakZ-Open-Source-Zigbee-Stack.html

But there is a licensing problem. Zigbee is controlled by the Zigbee
Alliance. They have been asked to make their licensing compatible with
the GPL and they have refused to do so.  The FreakZ stack is licensed
as BSD plus addition restrictions imposed by the Zigbee Alliance, not
plain BSD. Those additional restrictions require every commercial
developer using the Zigbee code to pay $3,000/yr to the Zigbee
Alliance. This is all explained in the Zigbee wikipedia article:
http://en.wikipedia.org/wiki/Zigbee

A GPL compatible alternative is the 6lowpan/ROLL IPv6 stack. That
stack is receiving heavy backing from Cisco. The NIST also made
recommendations yesterday to have the SmartGrid use IPv6 going forward
instead of proprietary solutions.

Zigbee is migrating to IPv6 via Zigbee/IP but now Zigbee is just a
tiny application layer on top of 6lowpan/ROLL and it still carries the
same restrictive licensing. An open alternative - 6lowapp exists.


> years under uClinux with the Analog Devices Blackfin DSP and have developed
> several applications with the Atmel Bitcloud Zigbee Pro Stack for the AVR
> ATMEGA1281 chip. I have several years of experience in C programming and
> developing drivers for GNU/Linux and I think I could help contributing in
> this project. To be honest, I love GNU/Linux and C programming and I would
> like to start as soon as possible with this project.
>
> As a first approach I was thinking in helping to develop some of the tickets
> under ZigbeePort, for example, implementing NWK or APS sockets. I could also
> help developing a driver for AT86RF230/AT86RF231 chips or even helping in
> any of the tickets under the IEEE 802.15.4 version0.2 milestone. Please, let
> me know if i could help in the development, and what do you recommend me to
> start with.
>
> Thanks in advance,
>
> Miguel Rodríguez Caudevilla
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>



-- 
Jon Smirl
[email protected]

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