. . . .
目 录
目 录
................................................................................................................. II
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
....................................................................................................... 1
1.3 交通灯设计满足的基本功能
........................................................................................... 2
第二章 总体方案
.....................................................................................................3
2.1 总体方案设计思想
....................................................................................................... 3
2.2 系统方案选择与比较
.................................................................................................... 3
2.3 系统总体方案论证
....................................................................................................... 5
第三章 硬件设计
.....................................................................................................6
3.1 总体设计与描述
......................................................................................................... 6
3.2 交通灯通行模式及行车方向指示
.................................................................................... 6
3.3 主干道单独时间设置功能
............................................................................................. 8
3.4 倒计时计数功能及其实现
............................................................................................. 8
3.5 各功能模块硬件设计及实现
.......................................................................................... 9
第四章 软件设计
...................................................................................................12
4.1 软件总体流程图
....................................................................................................... 12
4.2 定时器初始化
.......................................................................................................... 12
4.3 动态显示
................................................................................................................ 13
4.4 设置状态子程序
....................................................................................................... 14
第五章 系统调试
...................................................................................................15
5.1 系统操作说明
.......................................................................................................... 15
5.2 调试
...................................................................................................................... 15
5.3 调试心得
................................................................................................................ 19
第六章 设计总结
...................................................................................................21
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料. .. .