模拟电梯运行程序

功能如下：

初始化时，电梯位于第一层；

有键按下时，开始运行

　　运行时距离相差一层的才被记录并

向上运行时记下所有的所在层下面的请求；

向下运行时记下所有的所在层上面的请求；

到达楼层后，关掉指示灯，开门并停留20S

在停留的20S中包含关门的时间

在停留期间，按下关门则立即关门！

假设关门的时间是5S，在这个时间内按下开门时将开门停留

当有人按下该层按钮时，则自按下起停留20S

然后关门继续运行

当到达楼层时，传感器输出高电平

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I/O口描述：

模拟方式驱动：

P0口连接DAC0832的数据口

P2_6<-->CS1

P2_7<-->CS2

P2口作为传感器信号输入端

P2_0-P2_4<-->1~5

P1口作为来自按键的控制信号输入端

P1_0~P1_6<--> 按键的 1~7

timer1作为定时器定时20S使用 -simulated lift operating procedures following functions : initialization, the lift in the first layer; Press a button, Operation started running away from the difference was only one record to run on all remember when the host layer below the request; remember running down all the host layer above; arrived at the floor, turn off lights come on, 20 remain open and stay in the S 20 S includes closing time during his stay in? closed immediately closed! Assuming the closing time is 5 S, in time to open the door when the press will stay open when someone pressed the button layer, Since then press the starting 20 S then stay close to running arriving floors, sensor output serial SUMMARY **************************** I / O I Descr iption : simulation-driven : P0 connectors DAC0832 data mouth P2_6