ppm.lst

频率发生器

C51 COMPILER V8.02   PPM                                                                   08/01/2008 20:13:53 PAGE 1   


C51 COMPILER V8.02, COMPILATION OF MODULE PPM
OBJECT MODULE PLACED IN .\ppm.obj
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE ..\频率发生器\ppm.c BROWSE DEBUG OBJECTEXTEND PRINT(.\ppm.lst) OBJECT(.\ppm
                    -.obj)

line level    source

   1          #include<reg52.h>
   2          #define uint unsigned int
   3          #define uchar unsigned char
   4          sbit p32=P3^2;
   5          sbit p33=P3^3;
   6          sbit ppmout=P1^1;
   7          uint d;
   8          void delay_50us(uint t)
   9          {   uchar i;
  10   1              for(;t>0;t--)
  11   1              for(i=19;i>0;i--);
  12   1      }
  13          
  14          
  15          void time0(void) interrupt 1 using 1
  16          {       if(d==0)
  17   1          {   TH0=0Xff;
  18   2              TL0=0Xf5;
  19   2               }
  20   1      
  21   1               if(d==1)
  22   1               {
  23   2                 TH0=0Xff;
  24   2             TL0=0Xf0;
  25   2               }
  26   1      
  27   1               if(d==2)
  28   1               {
  29   2                 TH0=0Xff;
  30   2             TL0=0Xe0;
  31   2               }
  32   1               if(d==3)
  33   1               {
  34   2                 TH0=0Xff;
  35   2             TL0=0Xd0;
  36   2               }
  37   1              ppmout=~ppmout; 
  38   1      }
  39          
  40          void  int0(void) interrupt 0
  41          {
  42   1        
  43   1         EA=0;
  44   1         d++;
  45   1         TMOD=0x01;
  46   1         while(!p32); 
  47   1         EA=1; 
  48   1      }
  49          
  50          
  51          void int1(void) interrupt 2
  52          {
  53   1         EA=0;
  54   1         TMOD=0x01;
C51 COMPILER V8.02   PPM                                                                   08/01/2008 20:13:53 PAGE 2   

  55   1         if(d>0)
  56   1         d--;                   
  57   1         while(!p33); 
  58   1         EA=1;  
  59   1      }
  60          
  61          void main(void)
  62          {   d=0;
  63   1          
  64   1              IT1=1;
  65   1              EX1=1;   
  66   1              IT0=1;
  67   1              EX0=1;
  68   1         TMOD=0x01;
  69   1         TH0=0Xff;
  70   1         TL0=0Xf5;
  71   1         ET0=1;
  72   1         TR0=1;
  73   1         EA=1;
  74   1      
  75   1              while(1)
  76   1              {
  77   2               delay_50us(4);
  78   2              }
  79   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    180    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      2    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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