On Sat, Oct 25, 2008 at 7:26 PM, cdb wrote: > To cap it all, without thinking I opened up MPLAB which promptly > erased the demo program. > > Gives me a chance to look at the firmware I suppose and work out why > it doesn't like my flash drives before reprogramming the board. > I do not have the board but I believe Microchip will provide the demo program's source and hex file with the boards. You can always reprogram the demo hex file. On the other hand, Microchip's USB stack has improved dramatically, still it has a lot of room for improvement as well. For example, the host stack supports HID keyboard but not USB composite device. Yet many multimedia keyboards are USB composite device. http://forum.microchip.com/tm.aspx?m=364987 You can add your input here: Wishlist for Microchip USB http://forum.microchip.com/tm.aspx?m=370134 Xiaofan -- http://www.piclist.com PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist