lesson7c.lst

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C51 COMPILER V7.06   LESSON7C                                                              05/03/2008 15:54:52 PAGE 1   


C51 COMPILER V7.06, COMPILATION OF MODULE LESSON7C
OBJECT MODULE PLACED IN lesson7C.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE lesson7C.C BROWSE DEBUG OBJECTEXTEND TABS(10)

stmt level    source

   1          #include <reg51.h>
   2          #include <absacc.h>
   3          #define WR_COM XBYTE[0xC000]
   4          #define RD_STA XBYTE[0xC200]
   5          #define WR_DAT XBYTE[0xC100]
   6          #define RD_DAT XBYTE[0xC300]
   7          #define AD_ADD XBYTE[0x0000]
   8          #define uchar unsigned char
   9          #define uint  unsigned int
  10          uchar  ADdat;
  11          
  12          uint   Voltrel;
  13          uchar  num[3];
  14          uchar code dat[]={"0123456789abcdef"};
  15          
  16          uchar code dat1[]={"Vx="};
  17          //延时程序
  18          void  delay()
  19          {
  20   1      uchar  i;
  21   1      for(i=0;i<125;i++)
  22   1      ;
  23   1      }
  24          //LCD写指令
  25          void  WRCOM(uchar com)
  26          {
  27   1      uchar  i;
  28   1      WR_COM=com;  
  29   1      for(i=0;i<50;i++)
  30   1          delay();
  31   1      }
  32          //LCD写数据
  33          void  WRDAT(uchar dat)
  34          {
  35   1      WR_DAT=dat;  
  36   1      delay();
  37   1      }
  38          //LCD初始化
  39          void  Init_LCD()
  40          {
  41   1        WRCOM(0x38);         //设置为8位数据总线，16*2，5*7点阵
  42   1        WRCOM(0x01);        //清屏幕
  43   1        WRCOM(0x06);       //光标移动，显示区不移动，读写操作后AC加1
  44   1        WRCOM(0x0C);
  45   1      }
  46          //AD转换程序（采用中断）
  47          void  intt0()interrupt 0
  48          {
  49   1      ADdat=AD_ADD;
  50   1      EX0=1;IT0=1;EA=1;
  51   1      }
  52          //主程序
  53          main()
  54          {
  55   1      Init_LCD();
C51 COMPILER V7.06   LESSON7C                                                              05/03/2008 15:54:52 PAGE 2   

  56   1      EX0=1;IT0=1; 
  57   1      EA=1;
  58   1      while(1)
  59   1      {
  60   2        uint  i=0;
  61   2      
  62   2        uint  j=0;
  63   2        AD_ADD=0X00;
  64   2        //delay();
  65   2        Voltrel=ADdat*1.0*500/255;
  66   2        num[0]=Voltrel/1000;
  67   2        num[1]=Voltrel%1000/100;
  68   2        num[2]=Voltrel%1000%100/10;
  69   2        num[3]=Voltrel%1000%100%10;
  70   2        WRCOM(0x80);
  71   2        while(i!=3)
  72   2        {
  73   3         WRDAT(dat1[i]);
  74   3         i++;
  75   3        }
  76   2        while(j!=2)
  77   2        {
  78   3         WRDAT(dat[num[j]]);
  79   3         j++;
  80   3        }
  81   2         WRDAT('.');
  82   2        while(j!=4)
  83   2        {
  84   3         WRDAT(dat[num[j]]);
  85   3         j++;
  86   3        }
  87   2        WRDAT('v');
  88   2       } 
  89   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    306    ----
   CONSTANT SIZE    =     21    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      6       4
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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