基于ARM和CAN的汽车液晶仪表的设计

Design of Automotive Instrument Based on CAN Bus and ARM Processor

阐述了一种基于高性能ARM处理器和汽车CAN总线的液晶智能仪表系统的设计思想、功用组成、工作原理及实现方法。该系统利用高性能处理器和CAN现场总线构建了具有CAN通信、数据处理、数据显示等功能模块的汽车车车况综合信息平台,具有较好的扩展性,是汽车仪表数字化智能化的必然发展趋势。

This paper introduces the design thoughts, the functions and constitution, the working principle and the realization of the system of TFT-LCD automotive instrument based on ARM processor and CAN bus. By using high-performance ARM processor and CAN bus which are widely used in many areas, the system constructs the unified information platform of the automotive working conditions, provided such functions as the real-time data communication with CAN bus, the data processing, and the LCD module. This expansible system will be a direction in the digitized and intellectualized progress of the automotive instrument.