嵌入式网关中CAN接口的设计与实现

The design and implementation of embedded gateway's CAN-Bus interface

介绍了基于AT91RM9200的嵌入式网关,该网关实现工业以太网和CAN总线的数据交互,提出了基于SPI总线扩展CAN总线硬件接口的方案,并分析了嵌入式Linux下CAN设备驱动程序的开发。

This article introduces the Embedded Gateway based on AT91RM9200. This Gateway makes the EtherNet and CAN-Bus can exchang data easily. The design of CAN-Bus Interface based on SPI-Bus is proposed. At the same time, the development of CAN driver under Embedded.Linux is analyzed.