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

生成GPS中频数字信号，卫星数2，为1和11号卫星，信噪比，采样率可调，目前采样率5M，请在linux下运行，先阅读readme，按照步骤进行-IF digital signal to generate GPS satellite number 2, for 1 and 11 satellites, signal to noise ratio, adjustable sample rate, the current sampling rate 5M, please run under linux

短信平台客户端API以及示例程序，部署在windows平台和linux平台都可以，用myEclipse编译运行-SMS platform for client-side API, and sample programs deployed in the windows platform and linux platform can be used to compile run myEclipse

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