George R. Kasica wrote:
> On Mon, 29 Dec 2008 12:30:39 +0000, David Woolley
> <da...@ex.djwhome.demon.co.uk.invalid> wrote:

>> You are probably detecting the wrong edge (wrong polarity) of the second 
>> pulse.
> So how in the world do I fix this? 

I suspect Unruh may be right in this case, but you fix a wrong edge 
problem either by inserting an inverter into the hardware chain, or by 
setting the right fudge parameter (which, I think, has just been given 
in one of the other current threads).
> 
> Prior to having both NEMA and PPS running at the same time all was
> working well with just PPS and the shm driver.

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