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