cs15-3.lst

《手把手教你学单片机的C程序设计》及实验程序

C51 COMPILER V7.06   CS15_3                                                                02/18/2007 10:55:41 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE CS15_3
OBJECT MODULE PLACED IN CS15-3.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE CS15-3.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include<REG51.H>                       
   2          #define uint unsigned int               
   3          #define uchar unsigned char     
   4          uchar code SEG7[10]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
   5          uchar code ACT[4]={0xfe,0xfd,0xfb,0xf7};
   6          uint hour;                                      
   7          uchar min,sec,cnt;                      
   8          uchar status;                                   
   9          void delay(uint k);                             
  10          //***********************************
  11          union deda                                      
  12          {                                                       
  13          uint dhour;                                     
  14          uchar dmin;                                     
  15          uchar dsec;                                     
  16          };                                                      
  17          union deda dis_buff;                    
  18          //***********************************
  19          void initial(void)                              
  20          {                                                       
  21   1      TMOD=0x01;                                      
  22   1      TH0=-(50000/256);                       
  23   1      TL0=-(50000%256);                       
  24   1              ET0=1;                                  
  25   1              TR0=1;                                  
  26   1              EA=1;                                   
  27   1      }                                                       
  28          //***********************************
  29          void time0(void) interrupt 1            
  30          {                                                       
  31   1      TH0=-(50000/256);                       
  32   1      TL0=-(50000%256);                       
  33   1      cnt++;                                          
  34   1      if(cnt>=20){sec++;cnt=0;}               
  35   1      if(sec>=60){min++;sec=0;status++;}
  36   1      if(min>=60){hour++;min=0;}      
  37   1      if(hour>9999){hour=0;}          
  38   1      if(status>2){status=0;}                 
  39   1              switch(status)                  
  40   1              {                                               
  41   2              case 0:dis_buff.dhour=hour;break;
  42   2              case 1:dis_buff.dmin=min;break;
  43   2              case 2:dis_buff.dsec=sec;break;
  44   2              default:break;                  
  45   2              }                                               
  46   1      }                                                       
  47          //***********************************
  48          void main(void)                         
  49          {                                                       
  50   1              initial();                                      
  51   1              for(;;)                                 
  52   1              {                                               
  53   2                      switch(status)          
  54   2                      {                                       
  55   3                      case 0:{P0=SEG7[dis_buff.dhour%10];P2=ACT[0];delay(1);
C51 COMPILER V7.06   CS15_3                                                                02/18/2007 10:55:41 PAGE 2   

  56   4                                      P0=SEG7[(dis_buff.dhour%100)/10];P2=ACT[1];delay(1);
  57   4                                      P0=SEG7[(dis_buff.dhour%1000)/100];P2=ACT[2];delay(1);
  58   4                                      P0=SEG7[dis_buff.dhour/1000];P2=ACT[3];delay(1);}break;
  59   3                      case 1:{P0=SEG7[dis_buff.dmin%10];P2=ACT[2];delay(1);
  60   4                                      P0=SEG7[dis_buff.dmin/10];P2=ACT[3];delay(1);}break;
  61   3                      case 2:{P0=SEG7[dis_buff.dsec%10];P2=ACT[0];delay(1);
  62   4                                      P0=SEG7[dis_buff.dsec/10];P2=ACT[1];delay(1);}break;
  63   3                      default:break;          
  64   3                      }                                       
  65   2              }                                               
  66   1      }                                                       
  67          //***********************************
  68          void delay(uint k)                              
  69          {                                                       
  70   1      uint data i,j;                                  
  71   1      for(i=0;i<k;i++){                               
  72   2      for(j=0;j<121;j++)                              
  73   2      {;}}                                                    
  74   1      }                                                       


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    414    ----
   CONSTANT SIZE    =     14    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      8    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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