snow.lst

0809是一个做电压表的器件

C51 COMPILER V8.05a   SNOW                                                                 05/21/2008 20:06:10 PAGE 1   


C51 COMPILER V8.05a, COMPILATION OF MODULE SNOW
OBJECT MODULE PLACED IN snow.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE snow.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg52.h>
   2          unsigned char code dispbitcode[]={0x3f,0x06,0x5b,0x4f,0x66,0x6d,0x7d,0x07,0x7f,0x6f};
   3          unsigned char dispbuf[4];
   4          unsigned int i;
   5          unsigned int j;
   6          unsigned char getdata;
   7          unsigned int temp;
   8          unsigned int temp1;
   9          unsigned char count;
  10          unsigned char d;
  11          sbit ST=P3^0;
  12          sbit OE=P3^1;
  13          sbit EOC=P3^2;
  14          sbit CLK=P3^3;
  15          sbit P34=P3^4;
  16          sbit P35=P3^5;
  17          sbit P36=P3^6;
  18          sbit P20=P2^0;
  19          sbit P21=P2^1;
  20          sbit P22=P2^2;
  21          sbit P23=P2^3;
  22          sbit P17=P1^7;
  23          void TimeInitial();
  24          void Delay(unsigned int i);
  25          
  26          void TimeInitial()
  27          { TMOD=0x10;
  28   1       TH1=(65536-200)/256;
  29   1       TL1=(65536-200)%256;
  30   1       EA=1;
  31   1       ET1=1;
  32   1       TR1=1;
  33   1       }
  34          void Delay(unsigned int i)
  35          {
  36   1        unsigned int j;
  37   1        for(;i>0;i--)
  38   1        {
  39   2        for(j=0;j<125;j++)
  40   2        {;}
  41   2        }
  42   1      }
  43           
  44          void Display()
  45          
  46          { 
  47   1      P1=dispbitcode[dispbuf[3]];
  48   1       P20=0;
  49   1       P21=1;
  50   1       P22=1;
  51   1       P23=1;
  52   1       Delay(10);
  53   1       P1=0x00;
  54   1       P1=dispbitcode[dispbuf[2]];
  55   1       P17=1;
C51 COMPILER V8.05a   SNOW                                                                 05/21/2008 20:06:10 PAGE 2   

  56   1       P20=1;
  57   1       P21=0;
  58   1       P22=1;
  59   1       P23=1;
  60   1       Delay(10); 
  61   1       P1=0x00;
  62   1       P1=dispbitcode[dispbuf[1]];
  63   1       P20=1;
  64   1       P21=1;
  65   1       P22=0;
  66   1       P23=1;
  67   1       Delay(10);
  68   1       P1=0x00;
  69   1       P1=dispbitcode[dispbuf[0]];
  70   1       P20=1;
  71   1       P21=1;
  72   1       P22=1;
  73   1       P23=0;
  74   1       Delay(10);
  75   1       P1=0x00;
  76   1      }
  77          void main()
  78          {
  79   1      TimeInitial();
  80   1      while(1)
  81   1      {
  82   2      ST=0;
  83   2      OE=0;
  84   2      ST=1;
  85   2      ST=0;
  86   2      P34=0;
  87   2      P35=0;
  88   2      P36=0;
  89   2      while(EOC==0);
  90   2      OE=1;
  91   2      getdata=P0;
  92   2      OE=0;
  93   2      temp=getdata*1.0/255*500;
  94   2      dispbuf[0]=temp%10;
  95   2      dispbuf[1]=temp/10%10;
  96   2      dispbuf[2]=temp/100%10;
  97   2      dispbuf[3]=temp/1000;
  98   2      Display();
  99   2      
 100   2      }
 101   1      }
 102          
 103          void t1(void) interrupt 3 using 0
 104           {
 105   1        TH1=(65536-200)/256;
 106   1        TL1=(65536-200)%256;
 107   1        CLK=~CLK;
 108   1        }
 109          
 110          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    263    ----
   CONSTANT SIZE    =     10    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
C51 COMPILER V8.05a   SNOW                                                                 05/21/2008 20:06:10 PAGE 3   

   DATA SIZE        =     15    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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