This paper analyzed topology and message frame types of CAN bus and compared the standard frame format and extended frame format.
分析了CAN总线标准的网络拓扑结构、报文帧格式，并对标准帧和扩展帧进行了比较。
By designing the form and meaning of CAN message frame, the functions of data collection, analysis, storage and receiving commands to control the lower was achieved.
通过设计CAN报文帧的格式及含义，实现了数据采集、解析、存储及接收命令控制下层的功能。
By designing the form and meaning of CAN message frame, the functions of data collection, analysis, storage and receiving commands to control the lower was achieved.
通过设计CAN报文帧的格式及含义，实现了数据采集、解析、存储及接收命令控制下层的功能。
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