一个已经通过调试的uart转网络的程序 包含了linux下的串口和socket编程

通过将linux下的串口转换为socket 把数据传出去，或者通过socket接收数据，然后通过串口发送出去(By converting the serial port under Linux to socket, the data can be sent out, or the data can be received through socket, and then sent out through the serial port)