help needed i m having problem , when i connect hardware to the pc then i get the message usb device not recognized every time
i am sending data to pc through keypad and recieving from pc at lcd its simulation at ISIS proteus works fine but in hardware it gives me error of usb device not recognized what should i do please sugeest
Hi guys i am working on usb interface with printer .. i haven been able to transfer data from uc to printer and do get trn interrupt (setup packet i checked the PID it gives 0x02 ACK), but when i try to recieve the descriptor using (IN )packet i recieve an interrupt again but i dont get anything in the buffer .. i have created a simple array of 8 bytes in ram and them pointer to it . in the BDT the address field is updated with this address .. pls help me .