摘要
应用CAN总线技术提出了一种基于嵌入式系统的汽车组合仪表的设计方案,构建了以嵌入式微处理器LPC2119为汽车组合仪表的控制核心,μC/OS-Ⅱ实时操作系统为该系统的软件平台.详细介绍了该种汽车仪表的电路组成、工作原理和软件编程思想.
This paper introduces a new design of automotive dashboard based on embedded systems,employing CAN bus technology.Automotive dashboardunit uses an embedded microprocessor LPC2119,the software platform of the designed system designed is μC/OS-Ⅱ realtime operating system.The paper elaborates the circuit components,the operating principle and the software programming of theautomotive instrument.
