【摘要】 在水平测控装置中采用CAN总线技术,在实际应用中取得了良好的效果。本文以水平测控装置为应用背景,介绍了带CAN控制器的富士通单片机MB90F549的应用。给出了系统的网络结构图,和CAN控制器硬件电路图。详细介绍了CAN应用层协议的开发,并给出了CAN节点初始化程序和收发数据的子程序。更多还原

【Abstract】 <Abstrcat>The CAN bus adopted by the equipment of level position measure and control takes perfect purpose in practice. This article takes the equipment as background, introduces Fujitsu Microelectronic with CAN controller-MB90F549, and presents network structure and CAN controller hardware circuit diagram. CAN application layer protocol development is emphasized in detail. The subprogram of initialization and receive-dispatch of CAN nod is also presented here.更多还原