电力交换机串口驱动程序的开发  

Development of Serial Driver Program for Power Switch Based on AT91RM9200

作　　者：姚启桂[1] 于海[1,2] 

机构地区：[1]国网电力科学研究院信息与通信研究所,江苏南京210003 [2]东南大学电气工程学院,江苏南京210000

出　　处：《电力系统通信》2011年第8期51-54,共4页Telecommunications for Electric Power System

摘　　要：以基于AT91RM9200微处理器的工业以太网电力交换机为平台,介绍了系统的整体构架及其工作原理、普通串口的数据传输流程,在普通串口驱动开发的基础上,详细分析了基于外设数据控制器通道的串口驱动的开发方法,通过验证比较,证明了新方法的优越性,对嵌入式系统驱动程序的开发有一定的指导意义。Taking AT91RM9200 microprocessor-based power switches for industrial Ethernet as a platform, this paper introduces the overall system arehitecture, work principles and serial data transmission process. It analyses the serial driver development method based on PDC （Peripheral DMA Controller） channel, and makes the validation comparison to prove the superiority of the new method. It has some significance for the development of driver program in embedded system.

关 键 词：电力交换机 嵌入式系统 PDC 串口驱动 

分 类 号：TP311.52[自动化与计算机技术—计算机软件与理论]