Introduction - If you have any usage issues, please Google them yourself
USB keyboard source code: 1, compressed package that contains the company developed by Tang USB_D12 development evaluation board to achieve the full source code for USB keyboards. 2 source code files to implement the data communication U_Keyboard.C agreement, Chap_9.C contains all the necessary keyboard enumerated descriptors. 3, the file is indeed D12 USB interface chip development and production of the classic reference an excellent reference prototype USB keyboard.