实验箱上网关串口、网口的透传程序,实现的功能:
1. 实现一个tcp服务,但只能接收一个链接。通过命令行参数传入监听地址(-h),监听端口(-p),默认监听 61000端口,
2. 打开一个串口,通过命令行参数传入串口号(-c),波特率(-s),默认打开 /dev/ttySAC3,波特率115200
3. 串口、tcp客户端之间数据的转发
4. tcp客户端链接断线后,阻塞等待新链接。
网关上串口、网口透传代码,培训用
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