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Watchdog configuration

 
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magestik



Joined: 16 Oct 2008
Posts: 59

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Watchdog configuration
PostPosted: Mon Jul 27, 2009 1:45 am     Reply with quote
Hello, I have seen on some topic of the forum the two ways of setting up the watchdog :
Code:

Enable by setup_wdt() call:
Code:
#fuses WDT128
main()
{
  setup_wdt(WDT_ON);

  while (TRUE)
  {
    restart_wdt();

    perform_activity();
  }
}


Enable by fuses:
Code:
#fuses WDT, WDT128
main()
{
  while (TRUE)
  {
    restart_wdt();

    perform_activity();
  }
}


I kinda mixed it up, like :
Code:
Code:
#fuses WDT512
main()
{
    restart_wdt();

    perform_activity();
  }
}

But I wonder if that really works ? or should I only use one of the above solution ?
Any idea ?

Thank you Smile.
Ttelmah
Guest
PostPosted: Mon Jul 27, 2009 8:18 am     Reply with quote
Key thing.
What chip?....
Some _only_ support control by the fuses. Some _require_ enabling using setup_wdt. Some support both.

Best Wishes
magestik



Joined: 16 Oct 2008
Posts: 59

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PostPosted: Mon Jul 27, 2009 8:26 am     Reply with quote
Oh forgot that point Rolling Eyes
Its a 18F4550.
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