From: Marcel Holtmann <marcel@holtmann.org>
To: Oli Ellis <oliver.ellis@ntlworld.com>
Cc: BlueZ Mailing List <bluez-users@lists.sourceforge.net>
Subject: Re: [Bluez-users] dinovo multimedia keys
Date: Tue, 23 Mar 2004 21:55:09 +0100 [thread overview]
Message-ID: <1080075308.2515.41.camel@pegasus> (raw)
In-Reply-To: <40605F5C.30902@ntlworld.com>
Hi Oli,
> It does not seem to be an error with the parser - I checked the USB HID
> usage tables, and they tally up with the parser code. However, the
> consumer buttons on the dinovo all seem to be out by one. For example:
>
> Key label keyboard reports (hex) Should be (hex)
> -------------------------------------------------------
> My Pictures 1b7 1b6
> My Music 1b8 1b7
> Volume+ ea e9
> Volume- eb ea
> Mute e3 e2
> &c
>
> Now the question is whether this is a problem in hardware (and if so how
> widespread it is), or the kernel bluetooth bit, or the parser. I can't see
> anything wrong with parser.c, and am inclined towards a bodge job by
> Logitech (and I was so pleased with my new keyboard...) However the
> DiNovo is widespread, so if it is a HID implementation error, any ideas on
> how it can be elegantly worked around?
acutally it can be the parser. Check how the report descriptors of the
Logitech diNovo and the Microsoft keyboard differs. I think our parser
is wrong and shifts a bit with the Logitech descriptor. All information
can be found here
http://www.holtmann.org/linux/bluetooth/hid.html
Regards
Marcel
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prev parent reply other threads:[~2004-03-23 20:55 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-03-23 9:39 [Bluez-users] dinovo multimedia keys Oli Ellis
2004-03-23 14:20 ` Marcel Holtmann
2004-03-23 16:01 ` Oli Ellis
2004-03-23 20:55 ` Marcel Holtmann [this message]
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