left.lst

这是电梯延时驱动程序

C51 COMPILER V7.01  LEFT                                                                   03/17/2006 15:45:12 PAGE 1   


C51 COMPILER V7.01, COMPILATION OF MODULE LEFT
OBJECT MODULE PLACED IN left.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE left.c BROWSE DEBUG OBJECTEXTEND TABS(6)

stmt level    source

   1          #include <AT89X51.H>
   2          
   3          unsigned char i=0;
   4          char t1;
   5          char key;
   6          char t;
   7          unsigned char k;  
   8          
   9          void delay10ms(void)
  10          
  11          { unsigned char i,j;
  12   1         
  13   1         for(i=20;i>0;i--) 
  14   1         for(j=248;j>0;j--);
  15   1      }
  16          
  17          /*void delay3s(void)
  18          
  19          { unsigned char m,i,j;
  20            for(m=10;m>0;m--)
  21            for(i=20;i>0;i--) 
  22            for(j=248;j>0;j--);
  23          
  24          }  
  25          */
  26          xianshi()
  27          {  
  28   1      
  29   1         if(P1_0==0)  {/*P1=0xfe;*/P0=0x06;t=1;}
  30   1         if(P1_1==0)  {/*P1=0xfd;*/P0=0x5b;t=2;}
  31   1         if(P1_2==0)  {/*P1=0xfb;*/P0=0x4f;t=3;}
  32   1         if(P1_3==0)  {/*P1=0xf7;*/P0=0x66;t=4;}
  33   1         if(P1_4==0)  {/*P1=0xef;*/P0=0x6d;t=5;}
  34   1         if(P1_5==0)  {/*P1=0xdf;*/P0=0x7d;t=6;}
  35   1         
  36   1      }   
  37          
  38          keys()
  39            {
  40   1         if(P2_2==0) {delay10ms(); if(P2_2==0) {key=1;} }
  41   1         if(P2_3==0) {delay10ms(); if(P2_3==0) {key=2;} }
  42   1         if(P2_4==0) {delay10ms(); if(P2_4==0) {key=3;} }
  43   1         if(P2_5==0) {delay10ms(); if(P2_5==0) {key=4;} }
  44   1         if(P2_6==0) {delay10ms(); if(P2_6==0) {key=5;} }
  45   1         if(P2_7==0) {delay10ms(); if(P2_7==0) {key=6;} } 
  46   1        }
  47          
  48          void down(void)      //运动
  49           {
  50   1        P3_7=1;P3_6=0;
  51   1       }
  52          
  53          void up(void)
  54          {
  55   1       P3_7=0;P3_6=1;
C51 COMPILER V7.01  LEFT                                                                   03/17/2006 15:45:12 PAGE 2   

  56   1      }
  57          
  58          void stop(void)
  59          {
  60   1        P3_7=0;P3_6=0;
  61   1      }
  62          
  63          
  64          void t0(void) interrupt 0 using 0      //  中断
  65          {  
  66   1         
  67   1         keys();
  68   1      
  69   1         if(P3_6==1&P3_7==0)
  70   1         { 
  71   2           if(key-t1<0)
  72   2           {
  73   3            while(key-t>0){up();xianshi();keys();}
  74   3      
  75   3            if(key-t==0) {stop();} 
  76   3      
  77   3            for(k=10;k>0;k--) {delay10ms();}  
  78   3           }
  79   2           
  80   2           if(key-t1>0 )
  81   2           {
  82   3            while(t1-t>0) {up();xianshi();keys();}
  83   3            //if(t1-t==0) {stop();}
  84   3            //for(k=10;k>0;k--) {delay10ms();}
  85   3      
  86   3            //while(key-t>0){up();xianshi();keys();}
  87   3      
  88   3            //if(key-t==0) {stop();}  
  89   3            for(k=10;k>0;k--) {delay10ms();}  
  90   3           }
  91   2         }
  92   1       if(P3_6==0&P3_7==1)
  93   1        {
  94   2         if(key-t1>0)
  95   2          {
  96   3            while(key-t<0) {down();xianshi();keys();}
  97   3      
  98   3            if(key-t==0){stop();}
  99   3      
 100   3            for(k=10;k>0;k--) {delay10ms();} 
 101   3          }
 102   2         if(key-t<0)
 103   2          {
 104   3            while(t1-t<0) {down();xianshi();keys();}
 105   3      
 106   3            if(t1-t==0) {stop();}
 107   3      
 108   3            for(k=10;k>0;k--) {delay10ms();} 
 109   3          }
 110   2        } 
 111   1      }
 112          
 113          
 114          void main(void)
 115          
 116          {  //P3=0xff;
 117   1         //P2=0xff;   // 键盘
C51 COMPILER V7.01  LEFT                                                                   03/17/2006 15:45:12 PAGE 3   

 118   1        // P1=0xff;   //霍耳开关
 119   1        // P0=0xff;   //显示
 120   1      
 121   1        EX0=1;
 122   1        
 123   1        while(1)
 124   1        { 
 125   2         xianshi();
 126   2         keys();
 127   2        //key=t;
 128   2         if(P2==0xff){key=t;}
 129   2      
 130   2        if(key-t==0) { stop();}
 131   2        if(key-t>0)  { t1=key;while(t1-t>0) {up();xianshi();keys(); EA=1;}
 132   3      
 133   3                       if(key-t>0)
 134   3                       {
 135   4                         while(key-t>0)
 136   4                         {up();xianshi();keys();}
 137   4                       }
 138   3                      }
 139   2      
 140   2        if(key-t<0)  { t1=key;while(t1-t<0) {down();xianshi();keys();EA=1;}
 141   3                       if(key-t<0) 
 142   3                       { while(key-t<0)
 143   4                         {
 144   5                         down();xianshi();keys();
 145   5                         }
 146   4                        }
 147   3                     }//if(t1-t<0){stop();}} 
 148   2       
 149   2        }
 150   1      }
 151          
 152          
 153          
 154          
 155          
 156          
 157          
 158               


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    593    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      5    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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