From: Marcel Holtmann <marcel@holtmann.org>
To: BlueZ Mailing List <bluez-devel@lists.sourceforge.net>
Subject: Re: [Bluez-devel] [PATCH] Fix too-many-keys-pressed error in hidp/core.c
Date: Thu, 20 Jan 2005 02:01:13 +0100 [thread overview]
Message-ID: <1106182874.8190.166.camel@pegasus> (raw)
In-Reply-To: <20050120003408.GA8619@salvia.homeip.net>
Hi Juha,
> > can you point me to the part of the HID specification that defines this
> > behaviour? And show me an extract from hcidump when this happens.
>
> I don't know if this is in the spec, or if it is just a quirk of some
> Logitech keyboards. However, it shouldn't cause any trouble to check
> for it as a special case, since that kind of data packet is clearly
> invalid, no?
>
> Here's the dump of me pressing 'qwert', and then releasing 't':
>
> 1106180982.868085 > ACL data: handle 0x0029 flags 0x02 dlen 14
> L2CAP(d): cid 0x0041 len 10 [psm 0]
> A1 01 00 00 14 00 00 00 00 00
> 1106180982.927077 > ACL data: handle 0x0029 flags 0x02 dlen 14
> L2CAP(d): cid 0x0041 len 10 [psm 0]
> A1 01 00 00 14 1A 00 00 00 00
> 1106180982.967071 > ACL data: handle 0x0029 flags 0x02 dlen 14
> L2CAP(d): cid 0x0041 len 10 [psm 0]
> A1 01 00 00 14 1A 08 00 00 00
> 1106180983.027061 > ACL data: handle 0x0029 flags 0x02 dlen 14
> L2CAP(d): cid 0x0041 len 10 [psm 0]
> A1 01 00 00 14 1A 08 15 00 00
> 1106180983.047059 > ACL data: handle 0x0029 flags 0x02 dlen 14
> L2CAP(d): cid 0x0041 len 10 [psm 0]
> A1 01 00 00 01 01 01 01 01 01
> 1106180983.267020 > ACL data: handle 0x0029 flags 0x02 dlen 14
> L2CAP(d): cid 0x0041 len 10 [psm 0]
> A1 01 00 00 14 1A 08 15 00 00
this looks weird and even the 't' is still missing in that dump. Is this
a general behaviour? Do we see the same on other keyboard?
Regards
Marcel
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next prev parent reply other threads:[~2005-01-20 1:01 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-01-19 22:44 [Bluez-devel] [PATCH] Fix too-many-keys-pressed error in hidp/core.c Juha Yrjölä
2005-01-20 0:19 ` Marcel Holtmann
2005-01-20 0:34 ` Juha Yrjölä
2005-01-20 1:01 ` Marcel Holtmann [this message]
2005-01-20 9:03 ` Juha Yrjölä
2005-01-23 8:46 ` Marcel Holtmann
2005-01-23 11:39 ` Juha Yrjölä
2005-01-23 12:01 ` Marcel Holtmann
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