----- Original Message -----
From: <llile@SALTONUSA.COM>

> 12.  Use a lot of sanity checks in your code.   Test key registers and
> variables, if they have changed since you wrote them, your PIC is insane
> and should be sentenced to die of a watchdog timeout.  Check sanity on
> startup by writing numbers to a list if registers, then checking to see if
> the numbers are still there.  If not, then die-you-dog until the PIC is
> proved sane.

>
> -- Lawrence Lile

Could Mr. Lile or anyone else please explain the above technique in a bit
more detail. What are  the actions after the PIC is proved  "Insane" and the
logic behind.

Thanks in advance -- Biswanath Dutta

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