出租车计价器设计程序原理图实物图.doc

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1、目录摘要…………………………………………………………………………Ⅰ第1章引言··································································11.1出租车计价器概述·········································································11.2本设计任务······························································

2、·····················11.2.1设计任务·················································································11.2.2设计要求·················································································11.3系统主要功能···············································

3、································2第2章出租车计价器硬件设计·················································32.1系统的硬件构成及功能····································································32.2AT89S51单片机及其引脚说明··························································42.3A

4、T24C02引脚图及其引脚功能···························································62.4AT24C02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····················

5、······················································8第3章系统软件设计···························································103.1系统主程序设计············································································103.2定时中断程序设计····································

6、····································123.3里程计数中断服务程序设计····························································123.4中途等待中断服务程序设计····························································123.5键盘服务程序设计·························································

7、················123.6显示子程序服务程序设计·······························································12第4章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·······

8、··············································································13第1章引言本次课程设计利用单片机技术来实现一台多功能出租车计价器，具有性能可靠、电路简单、成本低等特点。1.1出租车计价器概述计价器显示的营运金额是营运里程与价格的函数（等候时间一般折算成一定比例的里