| 多线程技术在电子水平状态指示仪中的应用 |
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| 引用本文： | 吴吉祥,夏靖波,杜华桦.多线程技术在电子水平状态指示仪中的应用[J].航天控制,2010,28(1). |
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| 作者姓名： | 吴吉祥 夏靖波 杜华桦 |
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| 作者单位： | 空军工程大学电讯工程学院,西安,710077 |
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| 摘 要： | 针对液晶式电子水平状态指示仪应用时图形显示速度慢的问题,提出基于嵌入式Linux实时系统的软件设计方案。消息处理方式是该方案的关键,经过分析,采用多线程技术建立消息模型,通过互斥锁机制实现同步,并给出了具体的实现过程。对软件运行结果进行详细分析,软件在显示速度和显示质量方面均能达到较好效果,能够满足设计需求。
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| 关 键 词： | 电子水平状态指示仪 消息模型 多线程 同步机制 互斥锁 |
The Application of Muitithreading Technology in Aircraft EHSI |
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| WU Jixiang,XIA Jingbo,DU Huahua.The Application of Muitithreading Technology in Aircraft EHSI[J].Aerospace Control,2010,28(1). |
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| Authors: | WU Jixiang XIA Jingbo DU Huahua |
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| Institution: | WU Jixiang XIA Jingbo DU Huahua Telecommunication Engineering Institute of Air Force Engineering University,Xi'an 710077,China |
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| Abstract: | On the basis of embedded real-time linux operating system,an electronic horizontal situation indicator(EHSI) software in aircraft cockpit is designed to solve the problems of lag in graphics display,which can be deployed in the systems of LCD EHSI.The key to the project is the means of message processing.The message model is designed by multithreading and the synchronization mechanism is realized by mutex lock.The processing of message transmission is introduced and running results are analyzed at length.Bo... |
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| Keywords: | Message model Multithreading Synchronization mechanism Mutex lock |
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