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Date: Fri, 20 Jul 2012 11:13:56 +0200
From: Matthias Apitz <guru@unixarea.de>
To: Erich Dollansky <erichfreebsdlist@ovitrap.com>
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Cc: freebsd-current@freebsd.org, Lars Engels <lars.engels@0x20.net>
Subject: Re: Script to monitor battery status on X220
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El día Friday, July 20, 2012 a las 03:45:23PM +0700, Erich Dollansky escribió:

> > ... 
> > Is it necessary to poll? Usually devd generates an event when the
> > battery status and/or percentage changes. Just read the events from
> > /var/run/devd.pipe.
> > 
> this is a good idea. I did not like this solution either but did not get a better idea when I did it.

I wrote and used something similar for my netbook EeePC 900; it turned
out that the battery is not showing the remaining capacity in a linear
way; the last 5% are 'consumed' in a few seconds, i.e. below 20% I
polled every 2 seconds;

	matthias
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Matthias Apitz
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