| 基于CAN总线的汽车仪表设计 |
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| 引用本文： | 宋晓君.基于CAN总线的汽车仪表设计[J].黑龙江科技信息,2010(5):30-30. |
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| 作者姓名： | 宋晓君 |
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| 作者单位： | 同济大学软件学院,黑龙江,哈尔滨,150000 |
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| 摘 要： | 由于采用高可靠的设计原则,所以本仪表采用MC9S12XHZ512双核处理器为核心的汽车仪表硬件平台。软件采用高可靠性的基于优先级调度的抢占式的实时内核uc/os-II嵌入式操作系统。通过实际的运行表明,基于CAN总线的汽车仪表稳定性、可靠性以及精度都比传统的汽车仪表优越。基于CAN总线的汽车仪表在容错处理和数据交换、系统管理抗干扰等方面都比传统的汽车仪表优越。
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| 关 键 词： | 嵌入式系统 汽车电子 组合仪表 CAN总线 |
CAN bus based on the design of the Auto Meter |
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| Abstract: | As a result of the design principles of high reliability, so the use of this instrument MC9S12XHZS12 dual-core processor as the core hardware platform for automotive instrumentation. High-reliability software priority-based preemptive scheduling of real-time core uc / os-Ⅱ embedded operating system. Through the practical operation shows that, based on the CAN bus automotive instrument stability, reliability and accuracy than the traditional instruments superior car. Based on the CAN bus in the fault-tolerant automotive instrumentation and data exchange, systems management and other aspects of anti-interference than the traditional instruments superior car. |
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| Keywords: | embedded systems automotive electronics Dashboard CAN bus |
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