main.lst

一款八位的模数转换程序和仿真电路

C51 COMPILER V8.02   MAIN                                                                  11/08/2007 17:32:50 PAGE 1   


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

line level    source

   1          #include <reg51.h>
   2          #define uchar unsigned char
   3          #define uint unsigned int
   4          
   5          sbit pData = P1^0;
   6          sbit pClk  = P1^1;
   7          sbit pCs   = P1^2;
   8          sbit pNP   = P1^3;
   9          
  10          void dly_us(uchar t)
  11          {
  12   1        uchar i;
  13   1        for(i=0;i<t;i++);
  14   1      }
  15          
  16          uchar tlc1549_R(void)
  17          {
  18   1        uchar cAD;
  19   1        uchar i;
  20   1        cAD=0;
  21   1        pCs=0;
  22   1        for(i=0;i<9;i++)
  23   1        {
  24   2          pClk=1;
  25   2              dly_us(2);
  26   2              pClk=0;
  27   2      
  28   2              cAD<<=1;
  29   2              cAD|=pData;
  30   2        }
  31   1        pCs=1;
  32   1        dly_us(25);
  33   1       return cAD;
  34   1      }
  35          
  36          void dly_ms(uint k)
  37          {
  38   1        uint i;
  39   1        TMOD=0x10;
  40   1        TF1=0;
  41   1        TR1=1;
  42   1        for(i=0;i<k;i++)
  43   1        {
  44   2          TH1=(65536-1000)/256;
  45   2          TL1=(65536-1000)%256;
  46   2          while(!TF1);
  47   2              TF1=0;
  48   2        }
  49   1        TR1=0;
  50   1      }
  51          
  52          void main(void)
  53          {
  54   1       // uchar cIn;
  55   1        uchar P1Temp;
C51 COMPILER V8.02   MAIN                                                                  11/08/2007 17:32:50 PAGE 2   

  56   1        uchar cAD=0;
  57   1        while(1)
  58   1        {
  59   2         //cIn=P1&0x3c;
  60   2         //cIn>>=2;
  61   2         cAD=tlc1549_R();
  62   2         if(cAD>25-2 && cAD<25+2)
  63   2          {
  64   3               P1Temp=P1;
  65   3               P1Temp&=0x0f;
  66   3               P1=0x10|P1Temp;
  67   3              }
  68   2         else if(cAD>51-2 && cAD<51+2)
  69   2          {
  70   3               P1Temp=P1;
  71   3               P1Temp&=0x0f;
  72   3               P1=0x20|P1Temp;
  73   3              }
  74   2         else if(cAD>77-2 && cAD<77+2)
  75   2          {
  76   3               P1Temp=P1;
  77   3               P1Temp&=0x0f;
  78   3               P1=0x30|P1Temp;
  79   3              }
  80   2         else if(cAD>102-2 && cAD<102+2)
  81   2          {
  82   3               P1Temp=P1;
  83   3               P1Temp&=0x0f;
  84   3               P1=0x40|P1Temp;
  85   3              }
  86   2         else if(cAD>128-2 && cAD<128+2)
  87   2          {
  88   3               P1Temp=P1;
  89   3               P1Temp&=0x0f;
  90   3               P1=0x50|P1Temp;
  91   3              }
  92   2         else if(cAD>154-2 && cAD<154+2)
  93   2          {
  94   3               P1Temp=P1;
  95   3               P1Temp&=0x0f;
  96   3               P1=0x60|P1Temp;
  97   3              }
  98   2         else if(cAD>179-2 && cAD<179+2)
  99   2          {
 100   3               P1Temp=P1;
 101   3               P1Temp&=0x0f;
 102   3               P1=0x70|P1Temp;
 103   3              }
 104   2         else if(cAD>205-2 && cAD<205+2)
 105   2          {
 106   3               P1Temp=P1;
 107   3               P1Temp&=0x0f;
 108   3               P1=0x80|P1Temp;
 109   3              }
 110   2         else if(cAD>230-2 && cAD<230+2)
 111   2          {
 112   3               P1Temp=P1;
 113   3               P1Temp&=0x0f;
 114   3               P1=0x90|P1Temp;
 115   3              }
 116   2         else if(cAD>256-2 && cAD<256+2)
 117   2          {
C51 COMPILER V8.02   MAIN                                                                  11/08/2007 17:32:50 PAGE 3   

 118   3               P1Temp=P1;
 119   3               P1Temp&=0x0f;
 120   3               P1=0xA0|P1Temp;
 121   3              }
 122   2      
 123   2         P3=cAD;
 124   2         dly_ms(100);
 125   2        }
 126   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    342    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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