On Mon, Mar 1, 2010 at 3:56 PM, Ian <li...@dangerousprototypes.com> wrote:

> How's the USB driver situation with the M3?

Should be quite good. ST and TI/Luminary both provides USB sample codes.

> There are plenty of Microchip
> USB chips, probably an even cheaper solution than an M3, but there's
> currently no open source USB driver.

I think you mean the USB stacks, right?

> Microchip has a free USB stack, but
> it's gratis and not libre, so I can't actually distribute it with any
> projects.

Why not? As long as you use the Microchip product (the PIC24 in
this case), you are allow to use the USB stack as per the license.
I have looked at the situation for distribution but you can check
with Microchip. I think it is not an issue as I've seen other people
distribute the USB stack (for PIC32 and PIC18)
http://www.schmalzhaus.com/UBW32/
http://www.schmalzhaus.com/UBW/


-- 
Xiaofan http://mcuee.blogspot.com
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