pwm.lst

用keil C编写的PWM程序,并用ISIS进行仿真

C51 COMPILER V6.12  PWM                                                                    08/06/2008 16:07:18 PAGE 1   


C51 COMPILER V6.12, COMPILATION OF MODULE PWM
OBJECT MODULE PLACED IN PWM.OBJ
COMPILER INVOKED BY: C:\Keil\C51\BIN\C51.EXE PWM.C BROWSE DEBUG OBJECTEXTEND

stmt level    source

   1          #include "reg51.h"
   2          unsigned int cd,dd;
   3          unsigned char cc,ee;
   4          
   5          
   6          sbit LED=P2^0;
   7          void led_int() interrupt 1 using 0
   8          {
   9   1      	TH0=0xf1;
  10   1      	TL0=0xf1;
  11   1      	TR0=1;
  12   1      	dd++;
  13   1      	if(dd==11)
  14   1      	{
  15   2      		if((cc==0x50)&&(ee==0)){cd=0;}
  16   2      		if((cc==0)&&(ee==0x50)){cd=1;}
  17   2      		if(cd){cc++;ee--;}
  18   2      		else {cc--;ee++;}
  19   2      		dd=0;
  20   2      	}
  21   1      }
  22          void delay(unsigned int i)
  23          {
  24   1      	unsigned int j;
  25   1      	while(i--)
  26   1      	{
  27   2      		for(j=0;j<0x20;j++);
  28   2      	}
  29   1      }
  30          
  31          void main()
  32          {
  33   1      	cc=0;
  34   1      	ee=0x50;
  35   1      	TMOD=0x01;
  36   1      	TH0=0xf0;
  37   1      	TL0=0xf0 ;
  38   1      	EA=1;
  39   1      	ET0=1;
  40   1      	TR0=1;
  41   1      	while(1)
  42   1      	{
  43   2      		LED=0;
  44   2      		delay(ee);
  45   2      		LED=1;
  46   2      		delay(cc);
  47   2      	}
  48   1      }
  49          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    152    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
C51 COMPILER V6.12  PWM                                                                    08/06/2008 16:07:18 PAGE 2   

   PDATA SIZE       =   ----    ----
   DATA SIZE        =      6    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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