串口服务器程序，主机通过网络连接串口服务器，透传从主机传过来的数据，支持tcp server、tcp client、udp-Serial server program, the host server via a network connection port, pass-through from the host pass over the data to support tcp server, tcp client, udp

一个通俗的tcp/udp入门程序，运行在Linux上，实现简单的发送接收，即server和client(A popular tcp/udp entry program, run on Linux, to achieve simple sending and receiving, that is, server and client)