[毕业设计]基于单片机的多功能出租车计价器设计.doc

数理与信息工程学院
毕业设计

题目: 多功能出租车计价器
专业: 计算机科学与技术(专升本)
班级:
姓名: 学号:
指导老师:
成绩:

( )
目录
引言·································································· 1
1. 1 出租车计价器概述········································································· 1
1. 2 本设计任务
··················································································· 1
设计任务················································································· 1
设计要求················································································· 1
1. 3 系统主要功能··············································································· 2
出租车计价器硬件设计················································· 3
系统的硬件构成及功能···································································· 3
2. 2 AT89S51单片机及其引脚说明·························································· 3
AT24C02引脚图及其引脚功能··························································· 6
2. 4 AT24C02 掉电存储单元的设计························································· 6
里程计算、计价单元的设计····························································· 7
数据显示单元设计·········································································· 8
系统软件设计···························································
10
3. 1 系统主程序设计············································································ 10
3. 2 定时中断程序设计········································································ 10
3. 3 里程计数中断服务程序设计···························································· 10
中途等待中断服务程序设计···························································· 10
3. 5 键盘服务程序设计·········································································10
3. 6 显示子程序服务程序设计······························································· 10
系统调试与测试结果分析·············································· 13
4. 1 使用的仪器仪表··········································································· 13
系统调试·······················