ad转换.lst

对于单片机初学者来说,AD转换是其中必不可少的一部分,通过它的学习可以为单片机的学习又增添了宝贵的知识

C51 COMPILER V8.02   AD转换                                                                01/09/2008 21:39:58 PAGE 1   


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

line level    source

   1          #include<reg52.h>
   2          unsigned char code0[]={0xc0,0xf9,0xa4,0xb0,0x99,0x92,0x82,0xf8,0x80,0x90,0x3f,0xc6};
   3          sbit p30=P3^0;sbit p31=P3^1;sbit p32=P3^2;sbit p36=P3^6;sbit p37=P3^7;
   4          void delay(unsigned int k)
   5          {while(k--);}
   6          
   7          void display(unsigned   char n1,n2,n3,n4,n5,n6)
   8          {int i;for(i=5;i>0;i--)
   9   1      { 
  10   2        P2=0x01;delay(5);P1=code0[n1];delay(500);
  11   2        P2=0x02;delay(5);P1=code0[n2];delay(500);
  12   2        P2=0x04;delay(5);P1=code0[n3];delay(500);
  13   2        P2=0x08;delay(5);P1=code0[n4];delay(500);
  14   2       }}
  15          main()
  16          {unsigned       char     n1=0,n2,n3,n4,n5,n6; unsigned int t;
  17   1      int P3=0;float s=0.0;CY=2;       
  18   1      for(;;)
  19   1      {P2=0;p37=1;delay(10);p37=0;p36=1;s=P0;
  20   2      s=(float)(99*s/255);
  21   2      t=(int)s;
  22   2      n4=11;n1=t/100;n2=t%100/10;n3=t%10;
  23   2      t=(int)s*10;n5=t%10;t=(int)s*100;n6=t%10;
  24   2      display(n1,n2,n3,n4,n5,n6);
  25   2      }}
  26          
  27          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    338    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     12      25
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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