From: Marcel Holtmann <marcel@holtmann.org>
To: "Jay W. Summet" <summetj@cc.gatech.edu>
Cc: bluez-users@lists.sourceforge.net
Subject: Re: [Bluez-users] Socket CF adaptor, limited to 2-3KB/sec RFCOMM PPP connection?
Date: Thu, 14 Oct 2004 13:22:49 +0200 [thread overview]
Message-ID: <1097752969.4640.40.camel@notepaq> (raw)
In-Reply-To: <Pine.GSO.4.58.0410121425040.24690@gaia3.cc.gatech.edu>
Hi Jay,
> I am using a Socket Compact Flash Bluetooth adaptor, (dtl1_cs module),
> Revision F (8510-00159 F) and am able to successfully connect to my
> Sony Ericsson T610 GSM phone over a RFCOMM interface with PPPD.
>
> I'm running a generic Kernel.org 2.6.7 kernel on a Mandrake 10.0
> distribution. All of my user space tools came with the Mandrake 10.0
> distro, hcitool reports version 2.11, hcidump reports version 1.11.
>
> However, when I connect to my GPRS data provider, I only get 2.1 to 2.5
> KBytes/second of transfer. If I use IrDA instead of bluetooth, I can
> obtain the typical 5.1 to 5.6 KBytes/second transfer that I am expecting
> from GPRS.
>
> My ppp "peers" configuration script is setting the /dev/rfcomm0 tty to
> 115200, and a friend is using the same scripts, configuration, and phone
> with a USB bluetooth adaptor and getting the 5.1 to 5.6 KBytes/second
> transfer.
>
> I believe the problem is either with the phone (unlikely) or the Socket CF
> card and/or software link to it.
get a Bluetooth USB dongle and test it, but I think it is a problem of
the RFCOMM implementation with credit based flow control of your phone.
We already saw in the past that this not working as good as it should
work.
Regards
Marcel
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next prev parent reply other threads:[~2004-10-14 11:22 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-12 18:37 [Bluez-users] Socket CF adaptor, limited to 2-3KB/sec RFCOMM PPP connection? Jay W. Summet
2004-10-12 21:08 ` Mikko Rapeli
2004-10-14 11:22 ` Marcel Holtmann [this message]
2004-10-14 15:30 ` Jay W. Summet
2004-10-16 12:21 ` Marcel Holtmann
2004-10-20 15:35 ` Jay W. Summet
2004-10-20 15:46 ` Marcel Holtmann
2004-10-20 15:49 ` Jay W. Summet
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