linux串口编程的一些文档以及一些示例，有助于刚开始接触串口的人的快速入门-some documentation, and sample some help contact the beginning of the serial Quick Start

Linux下串口编程极好的示例代码，稍微修改就能应用的你的项目中去-Linux, an excellent serial programming sample code, slightly modify your project can be applied to