On Thu, Mar 31, 2011 at 12:12 PM, Werner Almesberger <[email protected]> wrote: > [email protected] wrote: >> Note that the Zigbee network protocols are in the process of being >> phased out. They are being replaced by a Zigbee application layer over >> 6lowpan. > > Good, if it's already fading into insignificance we don't have to > worry about their IPR scheme. I've heard this mentioned in a talk > by Zach Shelby [1] but wasn't quite sure how serious to take the > statement.
It is called "Zigbee IP". They have been working on the standard for about two years. I am not aware of any public implementations. > > In the context of qi-hardware, which is about copyleft hardware, we > plan to use IEEE 802.15.4 as a "poor man's WiFi", since chips or > modules for the 802.11 family tend to be very closed. An open standard > like 6LoWPAN is ideal for our purposes. You can buy Ralink 802.11g USB wifi sticks for $5. The drivers are in the Linux kernel. The downside is that you need a host capable of running Linux. That means around 2MB flash and 8MB memory minimum. > > [1] http://portal.sensinode.com/downloads/6LoWPAN-seminar.mp4 > >> Look at my code to get a feeling for the general architecture of how >> to integrate into Linux. Then I'd re-port Contiki back into the >> kernel. That way you'll get the most up to date code. Doing this port >> is not that hard and we had it some what working. > > Excellent, thanks a lot ! > >> There was no >> commercial backing behind our ports, they were just done on a hobbyist >> basis. I have often wondered why no commercial entities will back a >> 6lowpan implementation for Linux. Probably because the 6lowpan spec >> still isn't completely finalized. > > I intend to look into this issue as well. Without commercial support, > this would also have to be "just" a hobbyist effort. Maybe the > companies who would be interested were just afraid of the oh so scary > Guardians of the Kernel :-) > > Thanks, > - Werner > -- Jon Smirl [email protected] ------------------------------------------------------------------------------ Create and publish websites with WebMatrix Use the most popular FREE web apps or write code yourself; WebMatrix provides all the features you need to develop and publish your website. http://p.sf.net/sfu/ms-webmatrix-sf _______________________________________________ Linux-zigbee-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/linux-zigbee-devel
