linux下的串口通信程序详解,给出测试程序来理解linux下的串口操作流程，例程receive.c用来接收从串口发来的数据，而例程send.c用来发送数据到串口。二者成功建立串口连接后，串口接收端会收到串口发送端发来的字符串数据“Hello，this is a Serial Port test!”。-serial communication program under linux Detailed test procedure is given to understand that under