摘要
将Ⅳ+SEP4020微处理器通过采集数据并驱动TFT显示屏实现汽车虚拟仪表是文中的主要内容。该文首先阐述了系统的总体设计方案,并详细说明汽车仪表的数据采集电路,CAN总线接口设计,LCD液晶显示器接口设计,作为软件开发平台的μc/OS-Ⅱ操作系统和μc/GUI图形系统应用,最后在LCD上得到良好的人机交互界面。该设计简单,易于实现,简化了仪表结构,实现网络化集中控制,而且提高了可靠性、安全性以及产品的通用性。
This paper used Ⅳ＋SEP4020 microprocessor to collect data and drive the TFT screen to achieve the virtual instrument in the car.This paper expounded the overall design scheme of the system,and presented in detail the auto mobile＇s data acquisition circuit,CAN bus and LCD interface design,as a software development platform of μc/OS-Ⅱoperating system and μc/GUI graphic system application.It obtained a good man-machine interface on LCD combined with concrete examples.The design is simple,easy to implement,simplifying the instrument structure,achieves centralized control network,and improves the reliability,security and product versatility.
出处
《仪表技术与传感器》
CSCD
北大核心
2011年第1期33-35,共3页
Instrument Technique and Sensor
关键词
CAN总线
汽车仪表
人机界面
CAN bus
automobile instrument
human-machine interface
