On Wed, Jan 14, 2009 at 10:02:48AM -0700, Stu Bell wrote:
> >
> > Don't quite understand the push/popped reference, but if a variable
> > is accessed in both interrupt space and "user" space it needs to be
> > protected so that its uses "atomically".
>
> Which is why there is the <util/atomic.h> macros. Check out:
>
> ATOMIC_BLOCK( ATOMIC_RESTORESTATE )
> {
> ... Mangle pointers
> }
Interesting. Don't recall those being there 3 or 4 years ago back in the
days of avr-gcc 3.3 and 3.4.
--
David Kelly N4HHE, [email protected]
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Whom computers would destroy, they must first drive mad.
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