串口通信编程，win32 vc++,界面。mfc win api -Serial Communication

基于短信猫的针对GSM模块短消息的二次开发，使用了MFC的多文档，涉及串口编程。通过串口连接上短信猫设备，可从该程序界面上输入短信息，向指定电话号码发送短消息-Based on SMS cat in view of the secondary development of GSM short message module, using the MFC document, involving a serial port programming. Via a serial port connecti