11.lst

数字电压表的keilc源程序加上proteus仿真原理图

C51 COMPILER V7.50   11                                                                    06/04/2007 19:40:35 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE 11
OBJECT MODULE PLACED IN 11.OBJ
COMPILER INVOKED BY: F:\Proteus与Keil\Keil\C51\BIN\C51.EXE 11.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          #define uchar unsigned char
   3          
   4          sbit _RD=P3^0;
   5          sbit _WR=P3^1;
   6          sbit _INTR=P3^2;
   7          
   8          uchar getdata,Data[]={0,0,0};   //getdata用来存采集到的ADC数据//
   9                                          //Data[]用来存显示码// 
  10          Delay()   //显示扫描延时0.5ms//
  11          { uchar i;
  12   1        for(i=248;i>0;i--);
  13   1      }
  14          
  15          Process(uchar i,uchar *p)    //根据采集到的数据计算出显示码//
  16          { unsigned int j;
  17   1        j=2*i;
  18   1        p[2]=j/100;
  19   1        j%=100;
  20   1        p[1]=j/10;
  21   1        p[0]=j%10;
  22   1      }  
  23          
  24          Display()   //显示函数//
  25          { P1=Data[0]|0x60;
  26   1        Delay();
  27   1        P1=Data[1]|0xd0;
  28   1        Delay();
  29   1        P1=Data[2]|0x30;
  30   1        Delay();
  31   1      }
  32          
  33          main()
  34          {while(1)
  35   1        { _WR=0;  //启动ADC//
  36   2         _WR=1;  
  37   2         while(_INTR==1)  //等待转换完成//
  38   2           Display();  //显示//
  39   2         _RD=0;   //使ADC输出数据//
  40   2         getdata=P2; //从P2口读取数据//
  41   2         _RD=1;
  42   2         Process(getdata,Data); //数据处理//
  43   2         Display();    //显示//
  44   2         }
  45   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    160    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      4       5
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
C51 COMPILER V7.50   11                                                                    06/04/2007 19:40:35 PAGE 2   

END OF MODULE INFORMATION.


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