<bold>Research and Design of the Embedded Software System of Automotive Engine Analyzer</bold>

被引：0
|
作者：
Wei Yingying [1 ]
Cai Qizhong [1 ]
Wang Rugang [2 ]
Yang Changen [1 ]
机构：
[1] Guangxi Univ Technol, Liuzhou 545006, Peoples R China
[2] Shenzhen Pluke Intelligent Test Equipment Co LTD, Shenzhen 518067, Peoples R China
来源：
ICEMI 2007: PROCEEDINGS OF 2007 8TH INTERNATIONAL CONFERENCE ON ELECTRONIC MEASUREMENT & INSTRUMENTS, VOL IV | 2007年
关键词：
real-time and multitask; VRTX; ARM; oscillograph; DSP image;
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
This paper focuses on the embedded software system of automotive engine analyzer. According to the requirements of hig speed and real-time, the system is based on DSP and ARM and uses VRTX embedded real-time multitask operating system as the kernel. DSP and ARM embedded application software system are designed. Color LCD and touch screen are used to realize the functions of automotive digital oscillograph and good human-machine interaction is achieved. The paper describes how to refresh waveform on the oscillograph, general design of the embedded application software system and how to use message-driven to realize the three tasks: GUI interface, waveform. refreshed by DSP and menu. The diagrams of the software are given. The designed software has been tested and achieves the requirements of high speed and real-time. The system has four available testing channels. The oscillograph's magnification and the time base (the minimum is 33us, 50 points within one grid) can be changed. The touch screen response time reaches nanosecond level.
引用
收藏
页码：762 / +
页数：2
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