CY7C63722/23 CY7C63742/43 enCoRe™ USB Combination Low-Speed USB & PS/2 Peripheral Controller-Designing A Low Cost USB-PS/2 Combination Interface Mouse with the Cypress Semiconductor CY7C63723 enCoRe USB Microcontroller Intr

可以实现兼容PS/2键盘和USB键盘的Logge 源代码 键盘Logger是Hook 键盘类驱动Kbdclass的分发函数，在类驱动的下面是端口驱动。用DeviceTree 可以看到PS/2键盘的端口驱动是i8042prt,USB键盘的端口驱动是Kbdhid。无论是PS/2 键盘还是USB键盘，在端口驱动处理完IRP之后都会调用上层处理的回调函数，即KbdClass 处理输入数据的函数。-Can realize the compatibility of PS/2 keyboard and USB

Windows 2000 USB+PS/2 Keyboard Encoder-The HT82K629A can function both in USB and PS2 interface environment. For PS2 interface, it supports IBM PC/AT, IBM PS/2 and all compatible machines and provides a 16-character first-in-first-out buffer in