I AM DEVELOPING A SIMPLE USB HID DEVICE USING ATMEL AT89C5131A. I HAVE WRITTEN FIRMWARE IN ASSEMBLY. MY DEVICE IS NOT GETTING ENUMERATED. THE GET_DEVICE_DESCRIPTOR REQUEST DOES NOT SEEM TO BE GETTING COMPLETED. ANY POSSIBLE THINGS THAT I COULD TRY?
"ANY POSSIBLE THINGS THAT I COULD TRY?"
Find and replace the broken keyboard - or consider checking if that stuck caps-lock can get unstuck without a full keyboard replacement.