From: Steven Singer <steven.singer@csr.com>
To: bluez-devel@lists.sourceforge.net
Subject: Re: [Bluez-devel] How can I set CSR module as PCM master?
Date: Tue, 26 Jul 2005 12:34:08 +0100 [thread overview]
Message-ID: <42E61FB0.1090902@csr.com> (raw)
In-Reply-To: <Pine.LNX.4.33.0507261224230.7555-100000@redbean.intranet.gw-instruments.de>
Peter Wippich wrote:
> you have to set PSKEY PCM_CONFIG32. It is described in the CSR data
> sheets.
And the default is PCM master.
In fact, the default PS key settings are for a Motorola MC145483 codec -
precisely the code you're using - as that's what we use on the Casira
motherboards. You shouldn't need to change any of the detailed settings.
> On Tue, 26 Jul 2005, 宁 宁 wrote:
>> $ pskey -i hci0 mapsco 0
>> $ hciconfig hci0 revision
>> hci0: Type: UART
>> BD Address: 4A:49:4E:00:15:2F ACL MTU: 384:4
>> SCO MTU: 64:8
>> Build 705
>> Chip version: BlueCore02-External
>> Max key size: 56 bit
>> SCO mapping: HCI
Surely you want SCO mapping: PCM. I'm guessing that means using pskey
to set mapsco 1 (strictly, you want to set PSKEY_HOSTIO_MAP_SCO_PCM to
1) and rebooting (PS key changes take effect only at reboot).
These sorts of detailed technical questions about CSR products
specifically might be best asked on our technical newsgroups at
news.csr.com. See http://www.csr.com/forum.htm for details.
- Steven
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prev parent reply other threads:[~2005-07-26 11:34 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-07-26 8:30 [Bluez-devel] How can I set CSR module as PCM master? 宁 宁
2005-07-26 10:26 ` Peter Wippich
2005-07-26 11:34 ` Steven Singer [this message]
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