From: Brad Midgley <bmidgley@xmission.com>
To: BlueZ development <bluez-devel@lists.sourceforge.net>
Subject: Re: [Bluez-devel] Gumstix / speed setting in Infineon PBA31308
Date: Mon, 20 Nov 2006 12:14:33 -0700 [thread overview]
Message-ID: <4561FE99.1030201@xmission.com> (raw)
In-Reply-To: <4561F690.3040608@gmail.com>
Brian
first off: the slower speed should be ok for sco since the audio stream
goes direct to the cpu, not through the hci connection. gumstix needs a
kernel driver that works with the pcm connection from bluetooth and
translates that into a kernel audio device. pcm is connected to
gumstix's NSSP i/o (PCM-clock goes to NSSP-clock, PCM-frame goes to
NSSP-frame, and PCM-in/out map to the NSSPTXD/TXD)
(it's not relevant, but fyi: rfcomm works at a different level. For
higher speeds what we need is for hciattach to negotiate 921k properly.
Nobody has worked it out as far as I know. I asked on this list in May
and Goetz Issel said he was working on this same chip in an embedded
device but I never heard if he got it working.)
Brad
> Hi folks.
> Does anybody know if rfcomm can now set the baud rate on the new
> gumstix Infineon PBA31308 module to the 921,600bps needed for SCO audio
> to work to/from it?
>
> Thanks,
> Brian.
>
>
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next prev parent reply other threads:[~2006-11-20 19:14 UTC|newest]
Thread overview: 9+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-11-18 20:37 [Bluez-devel] Hiddev support Olivier Crête
2006-11-18 21:18 ` Douglas Ward
2006-11-20 8:30 ` Marcel Holtmann
2006-11-20 18:40 ` [Bluez-devel] Gumstix / speed setting in Infineon PBA31308 Brian Smith
2006-11-20 19:14 ` Brad Midgley [this message]
2006-11-20 21:43 ` Brian Smith
2006-11-20 23:13 ` Brad Midgley
2006-11-20 23:39 ` Brian Smith
2006-11-20 14:58 ` [Bluez-devel] Hiddev support Olivier Crête
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