说明：  介绍如何在嵌入式linux环境下开发基于串口通信的论文。论文具体说明了如何设置数据波特率和串口编程，是一本开发嵌入式linux系统串口通信方面不可多得的论文。
(how in embedded Linux development environment based on the serial communication papers. Papers specify how to set up a data baud rate and serial programming, is a development of embedded Linux systems serial communications rare theses.)