tclock.lst

LCD显示和单片机中断定时,单片机不断中断

C51 COMPILER V7.50   TCLOCK                                                                08/17/2007 16:34:00 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE TCLOCK
OBJECT MODULE PLACED IN Tclock.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE Tclock.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include "reg51.h" 
   2          
   3          unsigned char code tab[]={0x3f,0x06,0x5b,0x4f,0x66, 
   4                                      0x6d,0x7d,0x07,0x7f,0x6f}; 
   5          unsigned char dispbitcode[]={0x01,0x02,0x04,0x08, 
   6                                       0x10,0x20,};
   7          unsigned char dispbuf[6]={0,0,0,0,0,0}; 
   8          
   9          unsigned char dispbitcnt; 
  10          unsigned char second; 
  11          unsigned char minite; 
  12          unsigned char hour; 
  13          unsigned int tcnt; 
  14          unsigned char mstcnt; 
  15          unsigned char i,j;
  16          sbit P0_0=P0^0;
  17          sbit P0_1=P0^1;
  18          sbit P0_2=P0^2;
  19          
  20          void delay10ms(void)
  21           {
  22   1        unsigned char i,j,k;
  23   1       for(i=5;i>0;i--)
  24   1       for(j=4;j>0;j--)
  25   1       for(k=248;k>0;k--);
  26   1       } 
  27          
  28          void main(void) 
  29          { 
  30   1        TMOD=0x02; 
  31   1        TH0=0x06; 
  32   1        TL0=0x06; 
  33   1      
  34   1        TR0=1; 
  35   1        ET0=1; 
  36   1        EA=1; 
  37   1        while(1) 
  38   1          { 
  39   2            if(P0_0==0)
  40   2              { 
  41   3                delay10ms(); 
  42   3                if(P0_0==0) 
  43   3                  { 
  44   4                    second++;
  45   4                    if(second==60) 
  46   4                      { 
  47   5                       second=0; 
  48   5                      } 
  49   4                    dispbuf[0]=second%10; 
  50   4                    dispbuf[1]=second/10; 
  51   4                    while(P0_0==0); 
  52   4      
  53   4                  } 
  54   3      
  55   3              } 
C51 COMPILER V7.50   TCLOCK                                                                08/17/2007 16:34:00 PAGE 2   

  56   2      
  57   2            if(P0_1==0) 
  58   2              { 
  59   3               delay10ms();
  60   3                if(P0_1==0) 
  61   3                  { 
  62   4                    minite++; 
  63   4                    if(minite==60) 
  64   4                      { 
  65   5                        minite=0; 
  66   5                      } 
  67   4                    dispbuf[2]=minite%10; 
  68   4                    dispbuf[3]=minite/10; 
  69   4                    while(P0_1==0); 
  70   4                  } 
  71   3              } 
  72   2      
  73   2            if(P0_2==0) 
  74   2              { 
  75   3                delay10ms();
  76   3                if(P0_2==0) 
  77   3                  { 
  78   4                    hour++; 
  79   4                    if(hour==24) 
  80   4                      { 
  81   5                        hour=0; 
  82   5                      } 
  83   4                    dispbuf[4]=hour%10; 
  84   4                    dispbuf[5]=hour/10; 
  85   4                    while(P0_2==0);
  86   4                  } 
  87   3              } 
  88   2          } 
  89   1      } 
  90          
  91          void t0(void) interrupt 1 using 0 
  92          { 
  93   1        mstcnt++; 
  94   1        if(mstcnt==8) 
  95   1          { 
  96   2            mstcnt=0; 
  97   2            P1=tab[dispbuf[dispbitcnt]]; 
  98   2            P2=dispbitcode[dispbitcnt]; 
  99   2            dispbitcnt++; 
 100   2            if(dispbitcnt==6) 
 101   2              { 
 102   3                dispbitcnt=0; 
 103   3              } 
 104   2          } 
 105   1      
 106   1        tcnt++; 
 107   1        if(tcnt==4000) 
 108   1          { 
 109   2            tcnt=0; 
 110   2            second++; 
 111   2            if(second==60) 
 112   2              { 
 113   3                second=0; 
 114   3                minite++; 
 115   3                if(minite==60) 
 116   3                  { 
 117   4                    minite=0; 
C51 COMPILER V7.50   TCLOCK                                                                08/17/2007 16:34:00 PAGE 3   

 118   4                    hour++; 
 119   4                    if(hour==24) 
 120   4                      { 
 121   5                       hour=0; 
 122   5                      } 
 123   4                  } 
 124   3              } 
 125   2            dispbuf[0]=second%10; 
 126   2            dispbuf[1]=second/10; 
 127   2            dispbuf[2]=minite%10; 
 128   2            dispbuf[3]=minite/10; 
 129   2            dispbuf[4]=hour%10; 
 130   2            dispbuf[5]=hour/10; 
 131   2          }
 132   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    314    ----
   CONSTANT SIZE    =     10    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     21    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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