串口通讯作为一种古老而又灵活的通讯方式，被广泛地应用于PC间的通讯以及PC和单片机之间的通讯之中。 提到串口通讯的编程，人们往往立刻想到C、汇编等对系统底层操作支持较好的编程语言以及大串繁琐的代码。-Serial communication as an ancient and flexible means of communication, is widely used in communication between the PC and the communication between PC and microcontroller into. Serial communication programming mentioned, people tend to immediately think of C, assembly, etc. on the underlying operating system, programming language support for better strings and large cumbersome code.