I saw this today and was happily surprised to see that it runs chibios 3.0 on a M0+ processor.
Article -> http://www.bunniestudios.com/blog/?p=4484
Source code on github -> https://github.com/bunnie/chibios-orchard/tree/bm15
-John
Cool badge from Burning Man using Chibios 3.0
Re: Cool badge from Burning Man using Chibios 3.0
Ahaha, this is a crazy project for a crazy festival
The ideas behind are very fascinating, and the implementation too, simple but not trivial at all! 