基于rs232来实现串口的通信的若干源码例程，主要包含计算机和单片机之间实现单工和全双工的例程，以及其它的计算机设置串口来实现串口通信。-Based rs232 serial communication to achieve a number of code samples consists mainly between the computer and microcontroller routines for simplex and duplex, and other computer set