目 录
1 概 述
.....................................................................................................................1
1.1 课题研究背景与意义.........................................................................................1
1.2 课题设计内容......................................................................................................1
2 系统设计 .................................................................................................................1
2.1 设计方案论证.......................................................................................................1
2.２系统硬件设计......................................................................................................3
2.2.1 控制模块............................................................................................................3
2.2.2 通行灯显示模块................................................................................................5
2.2.3 时间显示模块....................................................................................................5
2.2.4 电源电路模块....................................................................................................5
2.2.5 硬件电路中器件选择........................................................................................6
2.3 系统软件的设计................................................................................................11
2.3.1 主程序..............................................................................................................11
2.3.2 定时中断服务程序..........................................................................................11
2.3.3 特种车中断服务程序......................................................................................13
2.3.4 算法分析..........................................................................................................14
3 系统调试...............................................................................................................14
3.1 硬件调试.............................................................................................................15
3.1.1 静态检查..........................................................................................................15
3.1.2 通电检查..........................................................................................................15
3.2 软件调试及软硬件联调....................................................................................15
3.2.1 仿真器选择......................................................................................................15
3.2.2 仿真过程..........................................................................................................16
3.2.3 通行灯输出调试..............................................................................................17
3.2.4 时间显示模块调试..........................................................................................18
3.2.5 特种车中断程序调试......................................................................................18
3.2.6 脱机调试..........................................................................................................18
3.2.7 实验结果..........................................................................................................19
4 结 束 语 ................................................................................................................20
参考文献...................................................................................................................21
致 谢.....................................................................................................................22
附 录.....................................................................................................................23
附录 1 基于单片机的交通灯控制系统电路原理图..............................................23
附录 2 基于单片机的交通灯控制系统 PCB 图 ....................................................23
附录 3 基于单片机的交通灯控制系统程序清单..................................................23
