波形发生器.lst

用C51单片机设计多波形发生器

C51 COMPILER V8.05a   波形发蒧芲                                                           09/09/2008 00:02:51 PAGE 1   


C51 COMPILER V8.05a, COMPILATION OF MODULE 波形发蒧芲
OBJECT MODULE PLACED IN 波形发生器.OBJ
COMPILER INVOKED BY: D:\Keil c51\C51\BIN\C51.EXE 波形发生器.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          #include<reg51.h>
   2          #include<absacc.h>
   3          #define DAC0832 XBYTE[0xfffe]
   4          #define DAC0832R XBYTE[0xfffd]
   5          #define uchar unsigned char
   6          #define uint unsigned int
   7          sbit P10=P1^0;
   8          sbit P11=P1^1;
   9          sbit P12=P1^2;
  10          sbit P13=P1^3;
  11          sbit P14=P1^4;
  12          sbit P15=P1^5;
  13          sbit P16=P1^6;
  14          sbit P17=P1^7;
  15          sbit P33=P3^3;
  16          uchar regi,freq=1;
  17          uchar code tab1[128]={
  18          64,67,70,73,76,79,82,85,88,91,94,96,99,102,104,106,
  19          109,111,113,115,117,118,120,121,123,124,125,126,126,
  20          127,127,127,127,127,127,127,126,126,125,124,123,121,
  21          120,118,117,115,113,111,109,106,104,102,99,96,94,91,
  22          88,85,82,79,76,73,70,67,64,60,57,54,51,48,45,42,39,
  23          36,33,31,28,25,23,21,18,16,14,12,10,9,7,6,4,3,2,1,
  24          1,0,0,0,0,0,0,0,1,1,2,3,4,6,7,9,10,12,14,16,18,21,23,
  25          25,28,31,33,36,39,42,45,48,51,54,57,60};
  26          
  27          uchar code tab3[2]={0,1};
  28          
  29          void delay2()      /* 延时2us函数 */
  30          {           
  31   1          TF1=0;
  32   1          TMOD=0x10;
  33   1          TH1=0xff;
  34   1          TL1=0xfe;
  35   1          TR1=1;
  36   1          while(TF1==0){}
  37   1          TF1=0; 
  38   1      }
  39          
  40          void delay(uchar t)      /*延迟函数*/
  41          {while(t--);}
  42          
  43          void square()          /* 方波发生函数 */
  44          {
  45   1        uint i,j;
  46   1        while(1)
  47   1         {
  48   2         for(i=0;i<=63;i++)
  49   2         { DAC0832=0x00;
  50   3           for(j=freq;j>0;j--)delay2();
  51   3              }
  52   2         for(i=0;i<=63;i++)
  53   2         { DAC0832=0xff;
  54   3           for(j=freq;j>0;j--)delay2();
  55   3          }
C51 COMPILER V8.05a   波形发蒧芲                                                           09/09/2008 00:02:51 PAGE 2   

  56   2         if(P12==0){while(P12==0);break;}     
  57   2         }
  58   1      }
  59          
  60          void saw()                 /* 锯齿波发生函数 */
  61          {
  62   1        while(1)
  63   1        { uchar i,j;
  64   2          for (i=0;i<=128;i++)
  65   2          { DAC0832=i; for(j=freq;j>0;j--)delay2();}
  66   2              if(P11==0){while(P11==0);break;}
  67   2         }
  68   1      }
  69          
  70          void sin( )    /*正弦波*/
  71          {
  72   1        unsigned int  i,j;
  73   1         while(1)
  74   1        {     
  75   2         if(i==128)i=0;
  76   2         DAC0832=tab1[i++];
  77   2         for(j=freq;j>0;j--)delay2();
  78   2         if(P10==0){while(P10==0);break;}
  79   2         }  
  80   1      }
  81          
  82          void tran(void)  /*三角波*/
  83          {
  84   1       uchar i,j;
  85   1       while(1)
  86   1       {
  87   2        for(i=0;i<=63;i++)
  88   2        { for(j=freq;j>0;j--)delay2();DAC0832=i;}
  89   2        for(i=63;i>=0;i--)
  90   2        { for(j=freq;j>0;j--)delay2();DAC0832=i;}
  91   2        if(P13==0){while(P13==0);break;}
  92   2        }
  93   1      }
  94          
  95          
  96          void main()       /*主函数*/
  97          { 
  98   1        EA=1;EX0=1;EX1=1;     regi=102;
  99   1        while(1)
 100   1              {  DAC0832R=regi;
 101   2                 if(P10==0){delay(3);while(P10==0);sin();}
 102   2                 if(P11==0){delay(3);while(P11==0);saw();}
 103   2                 if(P12==0){delay(3);while(P12==0);square();}
 104   2                 if(P13==0){delay(3);while(P13==0);tran();}
 105   2                 if(P14==0){delay(3);while(P14==0);regi=regi+25.5;}
 106   2                 if(P15==0){delay(3);while(P15==0);regi=regi-25.5;}
 107   2                 if(P16==0){delay(3);while(P16==0);freq=freq+1;}
 108   2                 if(P17==0){delay(3);while(P17==0);freq=freq-1;}
 109   2          }
 110   1       }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    447    ----
   CONSTANT SIZE    =    130    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
C51 COMPILER V8.05a   波形发蒧芲                                                           09/09/2008 00:02:51 PAGE 3   

   DATA SIZE        =      2       2
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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