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CANopen协议是一种基于CAN协议的开放式现场总线标准,是一个基于CAN的高层协议,是为面向运动的机械控制网络而设计的。该文使用软硬件结合的方式完成对CANopen协议解析软件的仿真设计,用以实时捕获CAN网络上传输的报文以及对这些报文进行解析。通过对大量报文的分析,可以总结出CANopen网络的运转机制和服务流程,为深入研究CANopen总线协议奠定基础。
The CANopen protocol is an open fieldbus protocol based on the CAN protocol, a high-level CAN-based protocol designed for motion-oriented mechanical control networks. This paper uses software and hardware combination to finish the simulation design of CANopen protocol analysis software to capture the packets transmitted on the CAN network in real time and resolve these messages. Through the analysis of a large number of packets, we can summarize the operation mechanism and service flow of CANopen network, and lay a foundation for further study of CANopen bus protocol.