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From: karl AT aspodata DOT se
To: geda-user AT delorie DOT com
Subject: Re: [geda-user] [OT] Open Source Data Logger
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Comments: In-reply-to "Edward Hennessy (ehennes+oss AT fastmail DOT com) [via geda-user AT delorie DOT com]" <geda-user AT delorie DOT com>
   message dated "Tue, 12 Jun 2018 19:16:07 -0700."
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Date: Wed, 13 Jun 2018 15:14:44 +0200 (CEST)
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Edward:
> I would like to gauge interest in the community for a instrument
> recording and data logging application. If interest exists, I'd like to
> get the application ready for more general use. Would anybody find the
> chart recording functionality useful? Would anyone find the data logging
> to a file functionality useful? The following link is the project in
> GitHub. I've also attached a screenshot.
> https://github.com/ehennes775/ginstlog

My take on this matter is to always log to file, then possible present
it and/or process it. You get nowhere without raw data. From that log
file you can get the latest with tail, -s 0.1 => update every 0.1s
instead of every second.

tail -s 0.1 -F log | presenting_program

That also gives you a way to test your program, just feed it to your
stdin.

///

For hw I have e.g. this:
 http://aspodata.se/git/openhw/boards_arm_aspo/regulator/
For presentation I use Tk/Gauge.pm as in show_temp.pl in
 http://aspodata.se/aspo/tmp/pid_reg/

Regards,
/Karl Hammar

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