time0.lst

主要用于在单片机中可以随时变更的延时操作,采用单片机的定时器实现

C51 COMPILER V7.50   TIME0                                                                 10/25/2007 18:05:02 PAGE 1   


C51 COMPILER V7.50, COMPILATION OF MODULE TIME0
OBJECT MODULE PLACED IN time0.OBJ
COMPILER INVOKED BY: F:\Program Files\keil\C51\BIN\C51.EXE time0.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          //1s delay ,中断方式 CLK=6MHZ,100ms外部增加10倍,共1s
   2          #include<reg51.h>
   3          #define uchar unsigned char
   4          #define uint unsigned char
   5          sbit p10=P1^0;
   6          uchar n;
   7          uchar delaytime;
   8          
   9          time0() interrupt 1 using 1
  10          {
  11   1        n--;
  12   1        if(n==0)
  13   1        {
  14   2         p10=!p10;
  15   2         n=delaytime;
  16   2        }
  17   1      }
  18          
  19          void main()
  20          {
  21   1        delaytime=20;
  22   1        n=delaytime;
  23   1        TMOD=0x01;
  24   1        TL0=0x3c;
  25   1        TH0=0xb0;
  26   1        EA=1;
  27   1        ET0=1;
  28   1        TR0=1;
  29   1        while(1)
  30   1        {
  31   2        }
  32   1      }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     32    ----
   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)