标签: 出租车计价器
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基于at89c51单片机的多功能出租车计价器.pdf
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目录第1节 引言··································································11.1 出租车计价器概述·········································································11.2 本设计任务···················································································1 1.2.1 设计任务·················································································1 1.2.2 设计要求·················································································11.3 系统主要功能··············································································· 2第2节 出租车计价器硬件设计·················································32.1系统的硬件构成及功能····································································32.2 AT89S51单片机及其引脚说明··························································32.3 AT24C02引脚图及其引脚功能···························································62.4 AT24C02掉电存储单元的设计························································· 62.5 里程计算、计价单元的设计·····························································72.6 数据显示单元设计··········································································8第3节 系统软件设计···························································103.1 系统主程序设计············································································103.2 定时中断程序设计········································································103.3 里程计数中断服务程序设计····························································103.4 中途等待中断服务程序设计····························································103.5 键盘服务程序设计·········································································103.6 显示子程序服务程序设计·······························································10第4节 系统调试与测试结果分析··············································134.1 使用的仪器仪表···········································································134.2 系统调试·····················································································134.3 测试结果·····················································································134.4 测试结果分析··············································································13第5节 结束语·································································14
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本电路以89S51单片机为中心、附加A44E霍尔传感器测距，实现对出租车计价统计，采用AT24C02实现在系统掉电的时候保存单价和系统时间等信息，输出采用8段数码显示管。本电路设计的计价器不但能实现基本的计价，而且还能根据白天、黑夜、中途等待来调节单价，同时在不计价的时候还能作为时钟为司机同志提供方便
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本电路以89S51单片机为中心、附加A44E霍尔传感器测距，实现对出租车计价统计，采用AT24C02实现在系统掉电的时候保存单价和系统时间等信息，输出采用8段数码显示管。本电路设计的计价器不但能实现基本的计价，而且还能根据白天、黑夜、中途等待来调节单价，同时在不计价的时候还能作为时钟为司机同志提供方便。
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本人收集了一些有关毕业设计及产品设计资料，有智能台灯，消防智能电动机设计，无线语音遥控智能车设计等课题设计，是许多在校学子毕业设计所需的参考性资源，热衷于单片机开发的网友也可了解了解，欢迎下载阅览。
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本人收集了一些有关毕业设计及产品设计资料，有智能台灯，消防智能电动机设计，无线语音遥控智能车设计等课题设计，是许多在校学子毕业设计所需的参考性资源，热衷于单片机开发的网友也可了解了解，欢迎下载阅览。
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本人从事电子行业多年，由电子硬件开发到软件设计，从工业控制到智能物联，收集了不少单片机产品的开发资料，希望通过这个平台，能够帮助到更多志同道合的网友，资料不在于多而在于精，有需要的老铁们可以下载下来参考参考。
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本人从事电子行业多年，由电子硬件开发到软件设计，从工业控制到智能物联，收集了不少单片机产品的开发资料，希望通过这个平台，能够帮助到更多志同道合的网友，资料不在于多而在于精，有需要的老铁们可以下载下来参考参考。
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本人从事电子行业多年，由电子硬件开发到软件设计，从工业控制到智能物联，收集了不少单片机产品的开发资料，希望通过这个平台，能够帮助到更多志同道合的网友，资料不在于多而在于精，有需要的老铁们可以下载下来参考参考。
