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Re: [f-cpu] Smooth Register backup issues...
Michael Riepe wrote:
Well, the remaining problem is that interrupt service routines must be
reentrant if there is a chance that the same interrupt (or exception)
occurs again before the ISR returns. Statically pre-allocated CMBs won't
be sufficient in that case.
That is I/O hardware , not software problems.
umm
interupt_xxx()
{
while(is_data()) do_stuff();
}
Too bad you don't have hardware to re-schedule
run-able threads after a IRQ data start/stop or time out
quickly.
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