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List:       owfs-developers
Subject:    Re: [Owfs-developers] Activation for Simultaneous read of temperature at each reding
From:       Jan Kandziora <jjj () gmx ! de>
Date:       2015-05-27 22:38:52
Message-ID: 5566477C.1040606 () gmx ! de
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Am 27.05.2015 um 07:26 schrieb - -:
> 
> That is the main Point. Activation for the simultaneous convert only at the
> Startup from the whole System and having it the whole time active.
> 
No. "Simultaneous/temperature" isn't a setting but a bus command which
skips the chip addressing step, then immediately issues the "Convert T"
command. As all chips are still listening at that moment, they *all*
follow the "Convert T" command, given they support it.


If you want a continous readout e.g. via owhttpd and simultaneous
temperature conversion, you need to use owserver for concurrent access
and a script like this:


#!/bin/sh
while :
do
	echo 1 >/mnt/owfs/simultaneous/temperature
	sleep 1
done


which continously triggers the simultaneous conversion.

Kind regards

	Jan




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