| 单片机课程设计——救护车报警系统 目录 绪论..............................................................................................2 一总体设计.................................................................................3 1设计任务................................................................................ 3 2任务分析.................................................................................3 3总体规划.................................................................................3 二硬件设计..................................................................................5 1单片机的选择..........................................................................5 2时钟电路..................................................................................10 3复位电路..................................................................................11 4发光二极管...............................................................................11 5蜂鸣器.......................................................................................12 6键盘...........................................................................................13 三软件设计...................................................................................15 1算法...........................................................................................15 2程序框图...................................................................................15 3模块结构...................................................................................17 1)键盘程序设计.........................................................................17 2)报警声程序设计.......................................................................18 3)主程序.......................................................................................18 四调试...............................................................................................20 五总结.............................................................................................29 |
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