51

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C51 COMPILER V8.09   DJS                                                                   07/12/2010 13:12:37 PAGE 1   


C51 COMPILER V8.09, COMPILATION OF MODULE DJS
OBJECT MODULE PLACED IN djs.OBJ
COMPILER INVOKED BY: D:\Keil\C51\BIN\C51.EXE djs.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          sbit Key_UP=P3^2;
   3          sbit Key_DOWN=P3^3;
   4          unsigned char KeyV,TempKeyV;                                                       
   5          sbit P25=P1^5;//数码管第5位
   6          sbit P26=P1^6;//数码管第6位
   7          sbit P27=P1^7;//数码管第7位
   8          sbit JDQ=P3^5;//I/O口
   9          
  10           unsigned int js;
  11           unsigned int ds;//倒计时初始时间 
  12           unsigned char jsflag;
  13          static unsigned int i;
  14          unsigned char code LEDDis[]={0xC0,0xF9,0xA4,0xB0,0x99,0x92,0x82,0xF8,0x80,0x90,0xFF,0xBF};
  15          
  16          void Delay(unsigned int ii)     //1MS
  17          {
  18   1      unsigned int jj;
  19   1      for(;ii>0;ii--)
  20   1      for(jj=0;jj<125;jj++)
  21   1      {;}
  22   1      
  23   1      }
  24          void main()
  25          {
  26   1              EA = 1;                                 //允许CPU中断
  27   1              ET0 = 1;                                //定时器0中断打开
  28   1              ET1=1;                                  //定时器1中断打开
  29   1              TMOD = 0x11;                    //设定时器0 1为模式1，16位模式
  30   1              TH0=0xB8;
  31   1              TL0=0x00;                               //设定时值为（20ms）
  32   1              TH1=0xdc;                                       //设定时值为（10ms）
  33   1              TL1=0x00;
  34   1              TR0 = 1;
  35   1              TR1=1;
  36   1              ds=999;
  37   1              KeyV = 0;
  38   1              TempKeyV = 0;
  39   1              jsflag=0;
  40   1      while(1);
  41   1      }
  42          
  43          //定时器0中断外理中键扫描和显示
  44          void Key_Time0(void) interrupt 1 using 2
  45          {
  46   1        TH0=0xB8;
  47   1              TL0=0x00;                               //设定时值为20000us（20ms)
  48   1        if (!Key_UP)
  49   1          KeyV = 1;
  50   1        if (!Key_DOWN)
  51   1          KeyV = 2;
  52   1         if (KeyV!= 0)      //有键按下
  53   1          {
  54   2            Delay(10);   //延时防抖  按下10ms再测
  55   2            if (!Key_UP)
C51 COMPILER V8.09   DJS                                                                   07/12/2010 13:12:37 PAGE 2   

  56   2              TempKeyV = 1;
  57   2            if (!Key_DOWN)
  58   2              TempKeyV = 2;
  59   2                       if (KeyV == TempKeyV)   //两次值相等为确定接下了键
  60   2                 {
  61   3                         if (KeyV == 1){
  62   4                                         jsflag=0;
  63   4                                                         if(ds==0){
  64   5                                                         ds=600;
  65   5                                                         }
  66   4                                                              js=js+1;
  67   4                                                              JDQ=0;   //继电器吸合
  68   4                                                      
  69   4              if(js==50){
  70   5              js=0;
  71   5               ds=ds-1;
  72   5               
  73   5              }
  74   4      }
  75   3      if(KeyV==2){
  76   4                jsflag=1;
  77   4              }
  78   3      }
  79   2      }
  80   1         if(jsflag==1){
  81   2         JDQ=1;
  82   2         }
  83   1         if(ds==0){
  84   2         JDQ=1;
  85   2         jsflag=1;
  86   2         KeyV=0;
  87   2         }
  88   1      }
  89          void disp_Time1(void) interrupt 3 using 3
  90          {       TH1=0xdc;
  91   1              TL1=0x00;
  92   1               P0=LEDDis[ds/100];
  93   1      P25=0;
  94   1        Delay(2);
  95   1                P25=1;
  96   1        P0=LEDDis[(ds%100)/10];
  97   1      P26=0;
  98   1        Delay(2);
  99   1       P26=1;
 100   1       P0=LEDDis[ds%10];
 101   1      P27=0;
 102   1       Delay(2);
 103   1        P27=1;
 104   1              
 105   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    347    ----
   CONSTANT SIZE    =     12    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      9    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


C51 COMPILATION COMPLETE.  0 WARNING(S),  0 ERROR(S)