Robin Abbott wrote:
> A full custom USB implementation requires you to build a Windows device
> driver - which personally I find a magnitude harder than using CDC or
> HID !

But I've already done that and made it available
(http://www.embedinc.com/pic/usb.htm).  This USB framework makes use of the
PIC hardware ping pong buffering by using triple software buffers, provides
simple PUT and GET byte interfaces, comes with example firmware and host
test programs, etc.


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