MFC编写的串口调试工具，使用VS2008环境进行开发，没有任何冗余代码，适合学习串口编程。-MFC prepared by serial debugging tools, use the VS2008 development environment, there is no redundant code, suitable for learning serial programming.

串口通讯的MFC类 -MFC class for serial communication-Serial communication MFC class-MFC class for serial communication

串口接收发送示例程序 -Serial receiver to send a sample program