Wouldn't once per second be enough?
You can also partition the problem -- set up a separate 1-wire bus just for
the polling -- wouldn't be interfering with your sensors. Also these days,
just have a Raspberry Pi or something like that do the polling and 1-wire
work and use your main CPU for data collection and work.
Paul
On Sun, Feb 15, 2015 at 3:16 PM, Daniel MacKay <dan...@bonmot.ca> wrote:
> Paul:
>
> > Periodic polling is the best way.
>
> So are you saying that if I have an iButton base on my network, I have to
> be constantly running through a 1-Wire directory search and looking for the
> button?
>
> So if I wanted to use this to open a door, and wanted reasonable response
> time I’d have to be doing a 1-W directory search multiple times per
> second? It sounds unreasonably CPU intensive.
>
>
>
>
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