From: Pavel Machek <pavel@ucw.cz>
To: Joe Xue <lgxue@hotmail.com>
Cc: "cooloney@gmail.com" <cooloney@gmail.com>,
"rpurdie@rpsys.net" <rpurdie@rpsys.net>,
"rob@landley.net" <rob@landley.net>,
"milo.kim@ti.com" <milo.kim@ti.com>,
"linux-leds@vger.kernel.org" <linux-leds@vger.kernel.org>,
"linux-kernel@vger.kernel.org" <linux-kernel@vger.kernel.org>,
"linux-doc@vger.kernel.org" <linux-doc@vger.kernel.org>
Subject: Re: [PATCH] Add the LED burst trigger
Date: Sat, 28 Dec 2013 20:26:30 +0100 [thread overview]
Message-ID: <20131228192630.GA28026@amd.pavel.ucw.cz> (raw)
In-Reply-To: <BLU172-W7ED2FA23CAA436EA47FCBACCC0@phx.gbl>
Hi!
> > And while " " for pause and "#" for light would work. Maybe we chould
> > do "\0" for pause and "\177" for light... and interpret everything
> > between as an intensity. That will make it useful for LEDs with
> > variable intensites, too...
>
> "\0" is not easy to give if application is a script.
> intensity is a good idea, but makes it more complex, and user need to convert the "\num" to a ASCII code.
>
OTOH it is easier for C programs _and_ we can support different
brightness levels.
It is not that bad from script:
echo -ne '\0\051\0377' > foo...
Pavel
--
(english) http://www.livejournal.com/~pavelmachek
(cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
next prev parent reply other threads:[~2013-12-28 19:26 UTC|newest]
Thread overview: 38+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-12-24 14:30 [PATCH] Add the LED burst trigger lgxue
2013-12-25 23:09 ` Pavel Machek
2013-12-26 1:02 ` Joe Xue
2013-12-26 14:26 ` Pavel Machek
2013-12-26 15:02 ` Joe Xue
2013-12-26 16:58 ` Joe Xue
2013-12-27 12:39 ` Rob Landley
2013-12-27 13:05 ` Pavel Machek
2013-12-27 0:31 ` Joe Xue
2013-12-27 9:57 ` Pavel Machek
2013-12-28 2:08 ` Joe Xue
2013-12-28 10:16 ` Pavel Machek
2013-12-28 13:39 ` Joe Xue
2013-12-28 19:26 ` Pavel Machek [this message]
2013-12-29 0:23 ` Joe Xue
2013-12-29 10:58 ` Pavel Machek
2013-12-28 18:51 ` Geert Uytterhoeven
2013-12-28 19:29 ` how to represent sequence of brightnesses in /sys (was Re: [PATCH] Add the LED burst trigger) Pavel Machek
2013-12-28 19:34 ` Geert Uytterhoeven
2013-12-28 21:25 ` Pavel Machek
2013-12-28 21:50 ` Greg KH
2013-12-28 23:50 ` Pavel Machek
2013-12-29 1:43 ` Greg KH
2013-12-29 11:21 ` Pavel Machek
2014-01-03 0:16 ` Bryan Wu
2014-01-06 0:37 ` Pavel Machek
2013-12-27 12:33 ` [PATCH] Add the LED burst trigger Geert Uytterhoeven
2013-12-27 11:57 ` One Thousand Gnomes
2013-12-27 12:57 ` Pavel Machek
2013-12-27 14:18 ` One Thousand Gnomes
2013-12-27 15:23 ` Pavel Machek
2013-12-27 18:13 ` One Thousand Gnomes
2013-12-27 18:34 ` Geert Uytterhoeven
2013-12-27 19:37 ` Pavel Machek
2013-12-27 22:45 ` Richard Purdie
2013-12-26 11:18 ` Geert Uytterhoeven
2013-12-30 0:15 ` Joe Xue
-- strict thread matches above, loose matches on Subject: below --
2013-12-26 16:01 lgxue
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