CSerialPort多线程串口类，可以自己在MFC里定义消息函数接收数据，移植性强-CSerialPort multi-threaded serial classes can define their own message function in the MFC in the receive data, transplantation and strong

vs2008下用MFC的MSComm控件编写的串口通信程序，PC机与SIM5215E实现串口通信！-under vs2008 written with MFC MSComm control serial communication program, PC machine with SIM5215E of serial communication!

基于mfc的串口通讯程序，可以简单地实现串口通讯协议-Design of serial communication program based on MFC