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目 录
目 录.......................................................................................................................................... IV
第一章 绪论 ................................................................................................................................ 1
1.1 交通灯设计的意义......................................................................................................................1
1.2 交通灯设计的思想......................................................................................................................2
1.3 交通灯设计满足的基本功能.....................................................................................................3
第二章 总体方案 ....................................................................................................................... 4
2.1 总体方案设计思想......................................................................................................................4
2.2 系统方案选择与比较 .................................................................................................................4
2.3 系统总体方案论证......................................................................................................................7
第三章 硬件设计 ....................................................................................................................... 8
3.1 总体设计与描述.........................................................................................................................8
3.2 交通灯通行模式及行车方向指示............................................................................................9
3.3 主干道单独时间设置功能......................................................................................................11
3.4 倒计时计数功能及其实现......................................................................................................11
3.5 各功能模块硬件设计及实现..................................................................................................11
第四章 软件设计 .....................................................................................................................16
4.1 软件总体流程图.......................................................................................................................16
4.2 定时器初始化...........................................................................................................................17
4.3 动态显示 ...................................................................................................................................17
4.4 设置状态子程序.......................................................................................................................18
第五章 系统调试 .....................................................................................................................20
5.1 系统操作说明...........................................................................................................................20
5.2 调试............................................................................................................................................20
5.3 调试心得 ...................................................................................................................................25
第六章 设计总结 .....................................................................................................................27
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