miaobiao.lst

详细编制了单片机秒表的C语言程序开发

C51 COMPILER V7.08   MIAOBIAO                                                              10/04/2007 12:12:43 PAGE 1   


C51 COMPILER V7.08, COMPILATION OF MODULE MIAOBIAO
OBJECT MODULE PLACED IN miaobiao.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE miaobiao.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1           #include<at89x52.h>
   2           #include<text1.h>
   3           unsigned char code discode[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
   4            void display();
   5            void delay(int t);
   6            void keytime();
   7            int a,b,c,d,e,s;       //a，b,c，d分别表示秒表的十秒，十分之一秒，百分之一秒。
   8           void main()
   9           {
  10   1              TMOD=0X01;
  11   1              EA=1;
  12   1              ET0=1;
  13   1              TR0=1;
  14   1              TL0=0XFC;
  15   1              TH0=0XD8;
  16   1              while(1)
  17   1              {
  18   2                      P1=0xff;
  19   2                      
  20   2                      display();
  21   2                      keytime();      
  22   2              }
  23   1      }
  24          void display()
  25          {
  26   1         p00=0;
  27   1         P2=~discode[a];
  28   1         delay(3);
  29   1         p00=1;
  30   1          
  31   1         p01=0;
  32   1         P2=~discode[b];
  33   1         delay(3);
  34   1         p01=1;
  35   1      
  36   1         p02=0;
  37   1         P2=~discode[c];
  38   1         delay(3);
  39   1         p02=1;
  40   1      
  41   1         p03=0;
  42   1         P2=~discode[d];
  43   1         delay(3);
  44   1         p03=1;
  45   1      }
  46          void delay(int t)
  47           {      int i;
  48   1              while(t--)
  49   1              {
  50   2                      for(i=0;i<100;i++);
  51   2              }
  52   1       }
  53          
  54           void toint() using 0 interrupt 1
  55           {
C51 COMPILER V7.08   MIAOBIAO                                                              10/04/2007 12:12:43 PAGE 2   

  56   1              ET0=0;
  57   1              TR0=0;
  58   1              ++d;
  59   1              TL0=0XFC;
  60   1              TH0=0XD8;
  61   1              ET0=1;
  62   1              TR0=1;
  63   1      
  64   1              if (d==10){d=0;++c;}
  65   1                      if(c==10){c=0;++b;}
  66   1                              if(b==10){b=0;++a;}
  67   1                                       if(a==10){a=0;}
  68   1                                        
  69   1       }
  70           
  71           void keytime()
  72          { 
  73   1              
  74   1              p10=0;    //while(!p14){display();}是保证让每按一次只加1并且是按键跳的时候进行加1操作；
  75   1              if(p10==p14){ while(!p14){display();} ;++s;TR0=0;}       
  76   1              if(s==1&&p10==p17){ while(!p17){display();};++a;if(a==10) a=0;}
  77   1              if(s==2&&p10==p17){ while(!p17){display();};++b;if(b==10) b=0;}
  78   1              if(s==3&&p10==p17){     while(!p17){display();};++c;if(c==10) c=0;}
  79   1              if(s==4&&p10==p17){ while(!p17){display();};++d;if(d==10) d=0;}
  80   1              if(s==5) s=1;
  81   1              if(p10==p16){TR0=1;s=0;}
  82   1      } 
  83           


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    430    ----
   CONSTANT SIZE    =     10    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     12    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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