timer.lst

S51单片机的watchdog看门狗演示程序

C51 COMPILER V7.20   TIMER                                                                 04/01/2007 16:44:17 PAGE 1   


C51 COMPILER V7.20, COMPILATION OF MODULE TIMER
OBJECT MODULE PLACED IN timer.OBJ
COMPILER INVOKED BY: C:\Program Files\Keil\C51\BIN\C51.EXE timer.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          // Header:
   2          // File Name: 定时器仿真
   3          // Author:
   4          // Date:          2007-4-1
   5          
   6          #include "stdio.h"
   7          #include "reg52.h"
   8          
   9          static unsigned long overflow_count=0;
  10          void timer1(void) interrupt 3
  11                  {
  12   1               overflow_count++;
  13   1              }
  14          
  15          void main(void)
  16                  {
  17   1               TMOD=(TMOD&0x0F)|0x20; //定时器1为模式2，计数到255
  18   1               TH1=256-100;                   //设定模式
  19   1               TL1=TH1;                               //初值
  20   1               ET1=1;                                 //开定时器1的中断
  21   1               TR1=1;                                 //开定时器1
  22   1               EA=1;                                  //开所有中断
  23   1      
  24   1               while(1);
  25   1              }


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     52    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =      4    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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