自己学习电脑圈圈的usb鼠标笔记文件. 已经按linux的书法规则整理了原程序. 再补加一些注释 芯片为stc的51加d12做接口的.- Circle of their own learning computer mouse usb notes file. By linux calligraphy rules already compiled the original program. Supplemented add some comments Stc chip 5