基于VC的串口操作类。在vc环境下串口设备被当作文件读写，该类文件较好的封装了各种操作接口，方便上位机与下位机通讯。- Class-based VC serial operation. Vc environment is treated as file read and write serial devices, such documents better encapsulates various user interface, easy PC machine communication a

自己也写了一个串口通信的上位机,比较简易,希望可以给大家带来帮助-Himself wrote a PC serial port communication, more simple, hope can bring you help

界面通过串口与gprsmodem通讯,上位机通过界面给其发AT命令,可以读取,删除,显示gprsmodem中收到的手机()