watchdog.lst

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C51 COMPILER V7.10   WATCHDOG                                                              06/08/2004 13:56:49 PAGE 1   


C51 COMPILER V7.10, COMPILATION OF MODULE WATCHDOG
OBJECT MODULE PLACED IN Watchdog.OBJ
COMPILER INVOKED BY: C:\KEIL\C51\BIN\C51.EXE Watchdog.c BROWSE DEBUG OBJECTEXTEND TABS(3)

line level    source

   1          /**
   2           * @file $RCSfile: TWI.c,v $
   3           *
   4           * Copyright (c) 2004 Atmel.
   5           *
   6           * Please read file license.txt for copyright notice.
   7           *
   8           * @brief This file is an example to use Watchdog.
   9           *
  10           * This file can be parsed by Doxygen for automatic documentation
  11           * generation.
  12           * Put here the functional description of this file within the software
  13           * architecture of your program.
  14           *
  15           * @version $Revision: 1.0 $ $Name:  $
  16           */
  17          
  18          /* @section  I N C L U D E S */
  19          #include "reg_C51.h"
  20          
  21          /**
  22           * FUNCTION_PURPOSE:this function setup Watchdog.
  23           * FUNCTION_INPUTS:void
  24           * FUNCTION_OUTPUTS:void
  25           */
  26          void main(void)
  27          {
  28   1      
  29   1      /*
  30   1      Selected Time-out
  31   1      
  32   1      mode X1 12 clock periods per peripheral clock cycle.
  33   1      mode X2  6 clock periods per peripheral clock cycle.
  34   1      
  35   1      WDTPRG|=0x00   (2^14 - 1) machine cycles, 16. 3 ms @ FOSCA =12 MHz
  36   1      WDTPRG|=0x01   (2^15 - 1) machine cycles, 32.7 ms @ FOSCA=12 MHz
  37   1      WDTPRG|=0x02   (2^16 - 1) machine cycles, 65. 5 ms @ FOSCA=12 MHz
  38   1      WDTPRG|=0x03   (2^17 - 1) machine cycles, 131 ms @ FOSCA=12 MHz
  39   1      WDTPRG|=0x04   (2^18 - 1) machine cycles, 262 ms @ FOSCA=12 MHz
  40   1      WDTPRG|=0x05   (2^19 - 1) machine cycles, 542 ms @ FOSCA=12 MHz
  41   1      WDTPRG|=0x06   (2^20 - 1) machine cycles, 1.05 s @ FOSCA=12 MHz
  42   1      WDTPRG|=0x07   (2^21 - 1) machine cycles, 2.09 s @ FOSCA=12 MHz
  43   1      
  44   1      */
  45   1      
  46   1      WDTPRG|=0x07;/*2.275s @ FOSCA=11.059200 MHz */
  47   1      
  48   1      /* watchdog start sequence */
  49   1      WDTRST=0x1E;
  50   1      WDTRST=0xE1;
  51   1      
  52   1      while(1)                         /* end less */
  53   1      {
  54   2      /***********************************************
  55   2      *                 PROGRAM                      *
C51 COMPILER V7.10   WATCHDOG                                                              06/08/2004 13:56:49 PAGE 2   

  56   2      ************************************************/
  57   2      
  58   2         /* watchdog reset sequence */
  59   2         WDTRST=0x1E;
  60   2         WDTRST=0xE1;
  61   2      }
  62   1      
  63   1      }
  64          


MODULE INFORMATION:   STATIC OVERLAYABLE
   CODE SIZE        =     17    ----
   CONSTANT SIZE    =   ----    ----
   XDATA SIZE       =   ----    ----
   PDATA SIZE       =   ----    ----
   DATA SIZE        =   ----    ----
   IDATA SIZE       =   ----    ----
   BIT SIZE         =   ----    ----
END OF MODULE INFORMATION.


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