AVR-Chat

I kick the dog in the main loop, not the SPI loop, so that works fine when there are no problems.
I WANT to get a reset if SPI doesn't work, so I DON'T want it to time out and exit.

> To: AVR-Chat@yahoogroups.com
> From: bob.paddock@gmail.com
> Date: Sun, 14 Mar 2010 09:59:04 -0400
> Subject: Re: [AVR-Chat] Code stuck waiting for SPI transmission but only after 	power-up. (ATMega644P)
> 
> On Sun, Mar 14, 2010 at 9:47 AM, erikc <firewevr@airmail.net> wrote:
> 
> >
> >
> >
> > My understanding is that you have to feed the watchdog from time to
> > time in various parts of the programme, and that would include
> > software timer or stall loops as well.
> >
> 
> http://www.ganssle.com/watchdogs.htm
> 
> >You could feed the watchdog from inside the counter loop. Then, you'd
> >still get the timeout.
> 
> Bad idea to feed watchdog from inside of loops.  Better to set a time out
> that is long enough for the loop to complete,
> then refresh the watchdog before entering the loop and right after exiting
> the loop.  Look at the link above for better ideas.
>
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> 

 		 	   		  

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