用51单片机实现PS2鼠标的数据读取，并通过串口发送移动时返回的数据。内附做实验时鼠标的主控芯片资料和那篇经典的PS2协议资料。已经把相关的函数放在不同的文件里了，加了头文件可以直接用。-PS2 with 51 single-chip realization of the mouse to read the data and move through the serial port to send data to return. Containing the mouse experiments,