shiyan2.lst

51的PWM

C51 COMPILER V6.12  SHIYAN2                                                                05/08/2008 16:54:31 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE SHIYAN2
OBJECT MODULE PLACED IN .\shiyan2.OBJ
COMPILER INVOKED BY: D:\keil\C51\BIN\C51.EXE .\shiyan2.c DEBUG OBJECTEXTEND

stmt level    source

   1          #include<at89x51.h>
   2          sbit P10=P1^0;//脉冲信号
   3          sbit P11=P1^1;
   4          sbit P32=P3^2;//表示快且正转
   5          sbit P33=P3^3;//表示快且反转
   6          sbit P34=P3^4;//表示慢且正转
   7          sbit P35=P3^5;//表示慢且反转
   8          unsigned char c;
   9          void delay()
  10          {
  11   1      unsigned char i,j;
  12   1      for(i=0;i<2;i++)
  13   1      for(j=0;j<248;j++);
  14   1      }
  15            main()
  16          {
  17   1        while(1)
  18   1      {
  19   2        TMOD=0x01;
  20   2        EA=1;ET0=1;
  21   2         if(P32==0)
  22   2        {
  23   3          delay();
  24   3         if(P32==0)
  25   3         { 
  26   4           c=0;
  27   4           TH0=0xff;
  28   4           TL0=0xc8;
  29   4           TR0=1;
  30   4           P10=0; //脉冲信号
  31   4           P11=0;//一直为低,表示正且快转
  32   4         }
  33   3        }
  34   2           if(P33==0)
  35   2          {
  36   3           delay();
  37   3            if(P33==0)
  38   3            {
  39   4             c=0;
  40   4             TH0=0xff;
  41   4             TL0=0x32;
  42   4             TR0=1;
  43   4             P10=1;//脉冲信号
  44   4             P11=0;//一直为低,表示正且慢转
  45   4            }
  46   3          }
  47   2             if(P34==0)
  48   2             {
  49   3              delay();
  50   3               if(P34==0)
  51   3              {
  52   4               c=0;
  53   4               TH0=0xff;
  54   4               TL0=0x32;
  55   4               TR0=1;
C51 COMPILER V6.12  SHIYAN2                                                                05/08/2008 16:54:31 PAGE 2   

  56   4               P10=1;//脉冲信号
  57   4               P11=1;//一直为高，表示反且快转
  58   4              }
  59   3             }
  60   2                if(P35==0)
  61   2                 {
  62   3                  delay();
  63   3                    if(P35==0)
  64   3                   {
  65   4                    c=0;
  66   4                    TH0=0xff;
  67   4                    TL0=0xc8;
  68   4                    TR0=1;
  69   4                    P10=0;//脉冲信号
  70   4                    P11=1;//一直为高，表示反且慢转
  71   4                   }
  72   3                  }
  73   2      
  74   2      }
  75   1      }
  76          void timer0() interrupt 1
  77          {
  78   1        P10=~P10;
  79   1        if(c==0)
  80   1      {
  81   2       TH0=0xff;
  82   2       TL0=0x32;
  83   2       c=1;
  84   2      }
  85   1        if(c==1)
  86   1      {
  87   2       TH0=0xff;
  88   2       TL0=0xc8;
  89   2       c=0;
  90   2      }
  91   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    156    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      1    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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