From: Mauro Carvalho Chehab <mchehab@redhat.com>
To: Jon Smirl <jonsmirl@gmail.com>
Cc: Dmitry Torokhov <dmitry.torokhov@gmail.com>,
Devin Heitmueller <dheitmueller@kernellabs.com>,
Maxim Levitsky <maximlevitsky@gmail.com>,
awalls@radix.net, j@jannau.net, jarod@redhat.com,
jarod@wilsonet.com, khc@pm.waw.pl, linux-input@vger.kernel.org,
linux-kernel@vger.kernel.org, linux-media@vger.kernel.org,
lirc-list@lists.sourceforge.net, superm1@ubuntu.com,
Christoph Bartelmus <lirc@bartelmus.de>
Subject: Re: [RFC v2] Another approach to IR
Date: Wed, 02 Dec 2009 18:47:42 -0200 [thread overview]
Message-ID: <4B16D26E.9010200@redhat.com> (raw)
In-Reply-To: <9e4733910912021150k33446d3aybf0634fa0007ca1d@mail.gmail.com>
Jon Smirl wrote:
> IR devices transmit vendor/device/command triplets. They are easy to
> tell apart and create an evdev device corresponding to each
> vendor/device pair or something else along those lines.
What they transmit depend on the used protocol. With NEC and RC5 (currently, the
most common protocols), they transmit only address (TV, VCR, SAT) and command.
If you have two IR's that not fully follow RC5 standard, they may use distinct
addresses. So, if you're lucky enough, you'll be able to guess the IR vendor,
based on the 8 bit address code.
I think that you can get the vendor only with RC6 IR's on some modes.
In the case of RC6, as pointed by Andy, there are some patents envolved,
meaning that we probably will need to decode it on userspace, except if
someone can get the proper patent rights for its used on Linux.
Cheers,
Mauro.
next prev parent reply other threads:[~2009-12-02 20:48 UTC|newest]
Thread overview: 72+ messages / expand[flat|nested] mbox.gz Atom feed top
2009-12-01 15:08 [RFC v2] Another approach to IR Jon Smirl
2009-12-01 15:47 ` Maxim Levitsky
2009-12-01 16:16 ` Jon Smirl
2009-12-01 17:03 ` Mauro Carvalho Chehab
2009-12-01 17:09 ` Devin Heitmueller
2009-12-01 17:29 ` Mauro Carvalho Chehab
2009-12-01 17:54 ` Dmitry Torokhov
2009-12-01 19:00 ` Mauro Carvalho Chehab
2009-12-01 19:27 ` Jon Smirl
2009-12-01 20:11 ` Dmitry Torokhov
2009-12-01 21:05 ` Mauro Carvalho Chehab
2009-12-02 9:38 ` Dmitry Torokhov
2009-12-02 12:44 ` Mauro Carvalho Chehab
2009-12-02 17:10 ` Dmitry Torokhov
2009-12-02 17:30 ` Jon Smirl
2009-12-02 18:23 ` Dmitry Torokhov
2009-12-02 18:57 ` Jon Smirl
2009-12-02 20:54 ` Mauro Carvalho Chehab
2009-12-02 19:22 ` Jarod Wilson
2009-12-02 19:56 ` Dmitry Torokhov
2009-12-02 20:04 ` Jarod Wilson
2009-12-02 20:14 ` Dmitry Torokhov
2009-12-02 20:23 ` Mauro Carvalho Chehab
2009-12-02 20:53 ` Dmitry Torokhov
2009-12-02 21:13 ` Mauro Carvalho Chehab
2009-12-03 16:03 ` Ferenc Wagner
2009-12-03 16:33 ` Mauro Carvalho Chehab
2009-12-03 16:50 ` Jon Smirl
2009-12-03 17:19 ` Mauro Carvalho Chehab
2009-12-03 17:31 ` Dmitry Torokhov
2009-12-04 16:11 ` Ferenc Wagner
2009-12-02 20:42 ` Jarod Wilson
2009-12-02 20:48 ` Dmitry Torokhov
2009-12-02 20:57 ` Jarod Wilson
2009-12-02 21:12 ` Trent Piepho
2009-12-02 21:28 ` Jarod Wilson
2009-12-02 21:40 ` Mauro Carvalho Chehab
2009-12-03 18:06 ` Krzysztof Halasa
2009-12-03 1:19 ` Andy Walls
2009-12-03 2:27 ` hermann pitton
2009-12-03 0:20 ` Jon Smirl
2009-12-03 2:22 ` Mauro Carvalho Chehab
2009-12-03 5:08 ` Jon Smirl
2009-12-03 11:09 ` Mauro Carvalho Chehab
2009-12-03 18:18 ` Krzysztof Halasa
2009-12-03 20:54 ` Mauro Carvalho Chehab
2009-12-03 2:48 ` Trent Piepho
2009-12-03 4:13 ` Jarod Wilson
2009-12-03 5:18 ` Jon Smirl
2009-12-03 11:20 ` Mauro Carvalho Chehab
2009-12-03 19:48 ` alhaz
2009-12-02 19:33 ` Mauro Carvalho Chehab
2009-12-02 19:50 ` Jon Smirl
2009-12-02 19:58 ` Jon Smirl
2009-12-02 20:47 ` Mauro Carvalho Chehab [this message]
2009-12-02 19:55 ` Jarod Wilson
2009-12-03 1:02 ` Andy Walls
2009-12-03 10:00 ` Mauro Carvalho Chehab
2009-12-03 12:02 ` Andy Walls
2009-12-03 11:09 ` Mauro Carvalho Chehab
2009-12-02 20:01 ` Dmitry Torokhov
2009-12-02 15:37 ` Jon Smirl
2009-12-02 17:00 ` Dmitry Torokhov
2009-12-02 11:26 ` Gerd Hoffmann
2009-12-02 12:45 ` Mauro Carvalho Chehab
2009-12-01 17:35 ` Patrick Boettcher
2009-12-01 17:41 ` Mauro Carvalho Chehab
2009-12-01 18:19 ` Jon Smirl
2009-12-01 17:37 ` Mauro Carvalho Chehab
-- strict thread matches above, loose matches on Subject: below --
2009-12-03 19:47 Guus Sliepen
2009-12-03 21:53 ` Jarod Wilson
2009-12-05 11:23 ` Guus Sliepen
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