I can tell you that it is doable:
http://hackaday.com/2010/07/19/pic-b...me/#more-26245
Unfortunately the link to the source code is dead.
EDIT: Check out this thread:
http://www.mypic32.com/web/guest/for.../message/34606
Someone in there has a video:
And here is that person's blog with TONS of stuff:
http://sites.google.com/site/pic32site/
Oh nevermind, turns out he's using C... I hope you might find something useful in all that anyways.
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