text1.lst

数模转换

C51 COMPILER V7.06   TEXT1                                                                 08/05/2007 23:15:06 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE TEXT1
OBJECT MODULE PLACED IN .\Text1.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE .\Text1.c BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include<absacc.h>
   2          #include<reg51.h>
   3          
   4          #define uchar unsigned char
   5          #define uchar unsigned char
   6          #define uint  unsigned int
   7          sbit START=P3^0;
   8          sbit OE=P3^1;
   9          sbit EOC=P3^2;
  10          sbit PWM=P3^7;
  11          uchar data  led[4];
  12          uint data  tvdata;
  13          
  14              
  15          
  16          uchar code  tv[]={0xfe,0xfd,0xfb,0xf7};
  17          uchar code  a[]={0x3f,0x06,0x5b,0x4f,
  18                           0x66,0x6d,0x7d,0x07,0x7f,0x6f};
  19                               
  20          void delay(void)                      //延时程序
  21          {
  22   1        uint i;
  23   1        for(i=0;i<10;i++);
  24   1      }
  25          
  26          
  27          void ledxianshi(void)       //显示模块
  28          {
  29   1        uchar k,i;
  30   1        led[0]=tvdata%10;
  31   1        led[1]=tvdata/10%10;
  32   1        led[2]=tvdata/100%10;
  33   1        led[3]=tvdata/1000;
  34   1                      
  35   1        for(k=0;k<4;k++)
  36   1        { 
  37   2         P2=tv[k];
  38   2         i=led[k];
  39   2         P1=a[i];
  40   2         delay();
  41   2        }
  42   1      } 
  43          
  44          
  45          void main(void)
  46          {
  47   1         
  48   1        while(1)
  49   1        {
  50   2              TMOD=0x01;
  51   2              TR0=1;
  52   2              START=1;
  53   2         START=0;          //启动转换
  54   2         while(EOC==0);
  55   2         OE=1;
C51 COMPILER V7.06   TEXT1                                                                 08/05/2007 23:15:06 PAGE 2   

  56   2         tvdata=P0;
  57   2         OE=0;
  58   2              TH0=(65536-(tvdata+1)*256)/256;
  59   2              TL0=(65536-(tvdata+1)*256)%256;
  60   2              do{ledxianshi();}while(!TF0);
  61   2              PWM=!PWM;
  62   2              TF0=0;
  63   2              TH0=((tvdata)*256)/256;
  64   2              TL0=((tvdata)*256)%256;
  65   2              do{ledxianshi();}while(!TF0);   
  66   2          PWM=!PWM;
  67   2              TF0=0;
  68   2         }
  69   1      }     
  70              
  71                  
  72           
  73          
  74                  
  75                  
  76          
  77            
  78                 
  79          
  80                 
  81                     
  82                                        
  83           
  84            
  85          
  86              


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    234    ----
   CONSTANT SIZE    =     14    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      6    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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