今天发的都是串口通信方面源程序，源代码用BC VC 写的，一个实例两到三种语言的源程序，欢迎大家学习。-Issued today are serial communications source, source code written with BC VC, an instance of two to three kinds of language of the source, are welcome to learn.

龚建伟串口调试助手工具的源代码，适合刚学习VC的新手用。-Dan serial debugging assistant tools, source code, suitable for novice just learning the VC.