Werner, If there were the equivalent of the Oscars for hacker demo videos, you'd already have that golden statue in your hands.
Nice work! --- Ron K. Jeffries http://ronkjeffries.pen.i <http://ronkjeffries.pen.io/>o "In the midst of winter, I finally learned that there was in me an invincible summer" - Albert Camus On Sat, May 14, 2011 at 22:58, Werner Almesberger <[email protected]>wrote: > With the production of the WPAN boards nearing, I wrote a quick and > dirty hack for making use of them with IP, even before the proper > 6LoWPAN stack is ready (and the MAC layer also needs some work). > > I call this hack "dirtpan" and it only does IPv4, not IPv6. It uses > TUN/TAP to pass IP packets from the kernel to user space, where the > dirtpan daemon applies some minimum framing and then sends the > packets through the IEEE 802.15.4 kernel stack on their way. > > This is all very rough but it kinda works: > > http://downloads.qi-hardware.com/people/werner/wpan/tmp/wpan-ipv4.ogg > > dirtpan creates a point-to-point tunnel. It covers up some of the > shortcomings of the current in-kernel IEEE 802.15.4 stack (such as > lack of support for MAC-;ayer acknowledgements), but not all of > them (e.g., CSMA). This leaves its present real-life peformance to > be desired, but it's also a nice tool for monitoring progress, e.g., > I already improved throughput and stability from devastating to > merely dreadful. > > dirtpan lives here: > > http://projects.qi-hardware.com/index.php/p/ben-wpan/source/tree/master/tools/dirtpan/ > > Build, install, and usage instructions for Ben, etc.: > > http://projects.qi-hardware.com/index.php/p/ben-wpan/source/tree/master/install/ > > If you're interested in the making of the video clip (my first > foray into MLT): > > - Werner > > _______________________________________________ > Qi Hardware Discussion List > Mail to list (members only): [email protected] > Subscribe or Unsubscribe: > http://lists.en.qi-hardware.com/mailman/listinfo/discussion >
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