How to program for watch dog timer

[bagavathi]

Hi friends,

any body please give some example program for watchdog timer. i enable watchdog timer in control register but i dont know how to program for reset :roll:

 

[tyassin]

Hi

I think it would us all if we first knew which controller you talk about ;-)

Regards

 

[bagavathi]

I used avr microcontroller atmega8 .

 

[tyassin]

Hi
I guessed you have found the WDTCR-register. Here you setup the time before a reset. Of cause you have to 'clap' the watchdog to avoid this reset.
Otherwise check this link
http://www.embedds.com/using-watchdog-timer-in-your-projects

Regards