串口的基本通讯，串口在个方面都有很多的应用，希望大家互相学习-the basic serial communications, in the areas of Serial have many applications, we hope to learn from each other

该程序 实现 串口连接,串口读写操作,希望对做串口程序的人有帮助-Implementation of the procedure to connect serial, serial read and write operations, and they hope to make Serial procedures have to help people