00.lst

基于DA1302的电子实时数字钟,具有显示日期,时间,星期等功能.

C51 COMPILER V8.02   00                                                                    04/26/2009 11:28:25 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE 00
OBJECT MODULE PLACED IN 00.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE 00.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          #define uchar unsigned char 
   3          uchar j,k,i,a,A1,A2,A3,A4,A5,A6,second,min,hour;
   4          sbit key0=P1^0;
   5          sbit key1=P1^3;
   6          sbit key2=P1^6;
   7          bit L=0;//长溢出标志位
   8          uchar code table[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,
   9                                  0x80,0x90};//编码0~9
  10          uchar code select[]={0x01,0x02,0x04,0x08,0x10,0x20};//位选通
  11          uchar time[3];
  12          uchar con=0;
  13          uchar con1=0;
  14          uchar con2=0;
  15          void delay(uchar i)//延时
  16          {
  17   1        for(j=i;j>0;j--)
  18   1          for(k=125;k>0;k--);
  19   1      }
  20          void keyscan(void)//键盘扫描
  21          {EA=0;
  22   1       
  23   1         if(!key0)
  24   1           { delay(10);
  25   2           while(!key0);
  26   2           con++;TR0=0;ET0=0;     
  27   2          }
  28   1          if(con>=3)
  29   1          con=0;TR0=1;ET0=1;
  30   1              if(con!=0)
  31   1               {if(!key1)
  32   2                {delay(10);
  33   3               while(!key1);
  34   3               {time[con]++;
  35   4                if(con==2)
  36   4            con1=24;else con1=60;
  37   4                if(time[con]>con1)
  38   4                  {time[con]=0;}
  39   4            }
  40   3               }
  41   2               }
  42   1                if(con!=0)
  43   1            {if(!key2)
  44   2                  {delay(10);
  45   3                 while(!key2);
  46   3                 {time[con]--;
  47   4                  if(con==2)
  48   4                      con2=23;else con2=59;
  49   4                      if(time[con]<0)
  50   4                      {time[con]=con2;}
  51   4                 }
  52   3                }
  53   2               }
  54   1        EA=1;
  55   1      }       
C51 COMPILER V8.02   00                                                                    04/26/2009 11:28:25 PAGE 2   

  56          void display(uchar sh_c,uchar g_c,uchar sh_b,uchar g_b,uchar sh_a,uchar g_a)//显示部分
  57          {  P0=table[sh_c];
  58   1         P3=select[0];
  59   1         delay(5);
  60   1         P3=0;
  61   1        
  62   1         P0=table[g_c];
  63   1         P3=select[1]; 
  64   1         delay(5);
  65   1         P3=0;
  66   1           
  67   1         P0=table[sh_b];
  68   1         P3=select[2];
  69   1         delay(5);
  70   1         P3=0;
  71   1      
  72   1         P0=table[g_b];
  73   1         P3=select[3];
  74   1         delay(5);
  75   1         P3=0;
  76   1         
  77   1         P0=table[sh_a];
  78   1         P3=select[4];
  79   1         delay(5);
  80   1         P3=0;
  81   1      
  82   1         P0=table[g_a];
  83   1         P3=select[5];
  84   1         delay(5);
  85   1         P3=0;
  86   1      }
  87          
  88          void main()
  89            {TMOD=0x01;TH0=0x03;TL0=0xb0;
  90   1         TR0=1;
  91   1         ET0=1;
  92   1         EA=1;
  93   1         time[0]=00;
  94   1         time[1]=00;
  95   1         time[2]=12;
  96   1         A1=time[0]/10;
  97   1         A2=time[0]%10;
  98   1         A3=time[1]/10;
  99   1         A4=time[1]%10;
 100   1         A5=time[2]/10;
 101   1         A6=time[2]%10;
 102   1         display(A1,A2,A3,A4,A5,A6);
 103   1         while(1)
 104   1             {keyscan();
 105   2                  if(L)
 106   2              {
 107   3                       L=0;
 108   3                       time[0]++;
 109   3                if(time[0]==60)
 110   3                {time[0]=0;time[1]++;
 111   4                 {if(time[1]==60)
 112   5                  { time[1]=0;time[2]++;
 113   6                               {if(time[2]==24)
 114   7                                time[2]=0;
 115   7                                }
 116   6                              }
 117   5                }
C51 COMPILER V8.02   00                                                                    04/26/2009 11:28:25 PAGE 3   

 118   4                       }
 119   3                       }
 120   2               A1=time[0]/10;
 121   2               A2=time[0]%10;
 122   2               A3=time[1]/10;
 123   2               A4=time[1]%10;
 124   2                       A5=time[2]/10;
 125   2                       A6=time[2]%10;
 126   2               { display(A1,A2,A3,A4,A5,A6);};
 127   2               }
 128   1      
 129   1          }
 130           void t0(void) interrupt 1//1S延时
 131          { static uchar t;
 132   1        TF0=0;
 133   1        t++;
 134   1        if(t==11)
 135   1        {t=0;L=1;
 136   2        }
 137   1       }
 138            
 139            
 140          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    414    ----
   CONSTANT SIZE    =     16    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     20       6
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      1    ----
END OF MODULE INFORMATION.


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