用MFC写的串口通信界面。可以接收串口发送过来的数据，进行实时曲线绘制。-Using MFC to write serial communication interfaces. Send them to receive serial data in real-time curve drawing.

MFC下用MSComm控件实现串口通讯，调试通过，并且可以测量串口电压-This programme can transfer data to your seriel with the MSCOMM.