说明：  串口通信，MCU跟PC通信经常用到的一种通信方式，做界面、写上位机程序的编程语言、编译环境等不少，VB、C#、LABVIEW等等，我会的语言很少，C语言用得比较多，但是还没有找到如何用C语言来写串口通信上位机程序的资料，在图书管理找到了用VC++编写串口上位机的资料，参考书籍，用自己相当蹩脚的C++写出了一个简单的串口上位机程序，分享一下，体验一下单片机和PC通信的乐趣
(Serial communication, a communication with PC MCU frequently used, do interface, write the program of upper computer programming language, compiler environment, a lot of VB, C#, LABVIEW, and so on, I will be the language rarely, C language is used, but also did not find how to write serial communication with the host computer program C language data in the library management to find the preparation of serial PC using VC++ data, reference books, a simple serial PC program, written with his pretty crappy C++ share, experience the fun of SCM and PC communication)