网口和串口通讯转换程序，网口包括多种模式，包括tcp server，tcp client。-Network port and serial communication conversion program, network port includes a variety of modes, including TCP server, TCP client.

数据在串口和tcp服务器或者tcp客户端之间转发 数据在tcp服务器或者tcp客户端 和 tcp客户端之间转发(Data is forwarded between the serial port and the TCP server or the TCP client Data is forwarded between the TCP server or the TCP client and the TCP client)