Agreed.

Mike.

michael brown wrote:
> >> What about detecting the / edge with the capture int,
> >> but don't bother time check/subtract etc.
> >> When you capture a / edge, simply load one of the timers
> >> to 50uS (between your 2 pulse widths) and when that timer
> >> int occurs all you need to do is check the input, which
> >> will give 0 for 25uS pulse and 1 for a 75uS pulse.
> >> You don't need to do any period measurement and it's
> >> very low in cycles. ;o)
> >
> > Noise sensitive, I suspect.
>
> I'm not saying that it isn't, but how would this method be any
> more noise sensitive than using the capture/compare module?
> It seems to me, that with oversampling, this would be far less
> susceptable to noise than using the capture feature.

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