Roman Black 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.

Mike.

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