softreset.lst

这是本人写的一个C51单片机的软件重启的工程示例

C51 COMPILER V7.08   SOFTRESET                                                             04/14/2006 10:09:05 PAGE 1   


C51 COMPILER V7.08, COMPILATION OF MODULE SOFTRESET
OBJECT MODULE PLACED IN SoftReset.OBJ
COMPILER INVOKED BY: C:\Program Files\Keil\C51\BIN\C51.EXE SoftReset.c BROWSE DEBUG OBJECTEXTEND

line level    source

   1          /************************************************************/
   2          /*********         SoftReset test C51           *************/
   3          /**********  Written by WangBiao---20060414  ****************/
   4          /************************************************************/
   5          #include <AT89X51.H>
   6          #include "lcd1602.h"
   7          
   8          sbit LED=P3^4;
   9          
  10          bit Int_flag;
  11          
  12          extern void reset(void);//---must declare!!!!!!
  13          //*********************************************//
  14          //       delay nearly n*0.05s ;;n=20->1s      //
  15          //********************************************//
  16          void delay(unsigned int n)
  17          {       unsigned int i;
  18   1              for(;n>0;n--)
  19   1              {       for(i=0;i<10000;) i++;  }
  20   1      }
  21          //-----------test LED-----------------------
  22          void blink(unsigned char t,unsigned char n)
  23          {       unsigned char i;
  24   1              for(i=0;i<n;i++)
  25   1              {       LED=0;delay(t);LED=1;delay(t);  }
  26   1      }
  27          //----------------------------------------------
  28          void Int_fun(void)
  29          {       Int_flag=0;
  30   1              dispstr(0,0,"Now interrupt");
  31   1              blink(5,3);
  32   1              reset();//---here softreset
  33   1      }
  34          //----------------------------------------------
  35          void main(void)
  36          {       IT0=0;//level triger!!!
  37   1              EA=1;
  38   1              EX0=1;
  39   1              Init_Lcd();
  40   1              dispstr(0,0,"Hello,welcome!!");
  41   1              blink(1,5);
  42   1              for(;;)
  43   1              {       dispstr(0,1,"the SoftReset!!");
  44   2                      if(Int_flag) Int_fun();
  45   2              }
  46   1      }
  47          //--------------------------------------
  48          void press(void) interrupt 0 using 1
  49          {       unsigned char i;
  50   1              EA=0;
  51   1              Int_flag=1;//---here set INT flag
  52   1              for(i=0;i<3;i++)
  53   1              {       LED=0;delay(3);LED=1;delay(3);  }
  54   1              //---here must be one singal function!
  55   1              EA=1;
C51 COMPILER V7.08   SOFTRESET                                                             04/14/2006 10:09:05 PAGE 2   

  56   1      }
  57          //--------------------------------------


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =    701    ----
   CONSTANT SIZE    =     57    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----      25
   IDATA SIZE       =   ----    ----
   BIT SIZE         =      1    ----
END OF MODULE INFORMATION.


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