串口通信是 Windows 应用软件开发的重要环节，除了普通的通信软件外，还在工业控制领域有广泛的用途。本串口通测试讯源码，用于测试串口是否正确联通。-Serial communication is an important part of Windows application software development, in addition to general communication software, but also a wide range of industrial cont