采用MFC的控件“Micsoft Communications Control”来编写的串口调试工具源码，简捷而稳定。-Using MFC control " Micsoft Communications Control" to write the serial source code debugging tools, simple and stable.

visual C++ MFC 环境下 串口的连接，收发数据的实现，串口探测工具部分功能的实现-Serial port connection