在嵌入式开发平台上的应用程序，串口通讯的源文件，可实线基本的串口功能通讯-In the embedded development platform applications, serial communications, source files can be solid basic serial communication functions

STM32五个串口测试代码，附和最新固态库 很好学习的，适合初学者-STM32 five serial test code, go along with the latest good solid library of learning, for beginners

实体串口通讯历程，简单使用。欢迎大家指导(Solid serial communication)