voltmeter.lst

proteus中基于51单片机的数字电压表的仿真.rar

C51 COMPILER V8.02   VOLTMETER                                                             08/21/2007 23:13:56 PAGE 1   


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

line level    source

   1          #include<AT89X52.H>
   2          unsigned char uchar;
   3          unsigned int uint;
   4          sbit START=P3^0;
   5          sbit OE=P3^1;
   6          sbit EOC=P3^2;
   7          
   8          unsigned char data  led[4];
   9          unsigned int data  tvdata;
  10          unsigned int i; 
  11          unsigned int k;
  12              
  13          
  14          unsigned char code  tv[]={0xfe,0xfd,0xfb,0xf7};
  15          unsigned char code  a[]={0x3f,0x06,0x5b,0x4f,
  16                           0x66,0x6d,0x7d,0x07,0x7f,0x6f};
  17                               
  18          
  19          void delay(void)                      //延时程序
  20          {
  21   1        for(i=0;i<10;i++);
  22   1      }
  23          
  24          
  25          void ledxianshi(void)       //显示模块
  26          {
  27   1        tvdata*=2;
  28   1        led[0]=tvdata%10;
  29   1        led[1]=tvdata/10%10;
  30   1        led[2]=tvdata/100%10;
  31   1        led[3]=tvdata/1000;
  32   1                      
  33   1        for(k=0;k<4;k++)
  34   1        { 
  35   2         P2=tv[k];
  36   2         i=led[k];
  37   2         P1=a[i];
  38   2         delay();
  39   2        }
  40   1      } 
  41          void sentdata_ser()
  42          {
  43   1              TMOD=0x20;
  44   1              TL1=0xfd;TH1=0xfd;
  45   1              SCON=0xd8;PCON=0x00;
  46   1              TR1=1;
  47   1      }
  48          void sentdata(i)
  49          {
  50   1              SBUF=i;
  51   1              while(TI==0);
  52   1              TI=0;
  53   1      }
  54          
  55          
C51 COMPILER V8.02   VOLTMETER                                                             08/21/2007 23:13:56 PAGE 2   

  56          void main(void)
  57          {
  58   1        sentdata_ser(); 
  59   1        while(1)
  60   1        {
  61   2         START=1;
  62   2         START=0;          //启动转换
  63   2         while(EOC==0);
  64   2         OE=1;
  65   2         tvdata=P0;
  66   2         OE=0;
  67   2              sentdata(tvdata);
  68   2      
  69   2           ledxianshi();
  70   2           delay();
  71   2         }
  72   1      }
  73          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    207    ----
   CONSTANT SIZE    =     14    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =     13    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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