熟悉CAN协议

        基础知识：

http://blog.csdn.net/shanghaiqianlun/article/details/17794427

        电气特性和标准化

http://blog.csdn.net/shanghaiqianlun/article/details/17795497

        协议帧格式：

http://blog.csdn.net/shanghaiqianlun/article/details/17911545

应用场合：

http://www.elecfans.com/emb/jiekou/20120910287928.html

http://www.eepw.com.cn/article/269402.htm