本文通过一个具体项目的CAN 总线网络控制系统, 在研究CAN 2.0B 规范的基础上, 制定了符合该系统的通讯协议, 并阐述了通讯软件的设计方案。-In this paper, a project-specific CAN-bus network control system, in the study based on the CAN 2.0B specification developed a consistent communication protocol of the system,