RE: [bluetooth-dev] Interoperability..........

[Mats Fridén <matsf@xxxxxxx.com>]

Hi,

The default MTU is set to 127 bytes according to the specification. If you want a larger MTU you need to negotiate it, by sending a PN message. If you want a larger MTU you have to increase the MTU set in the PN message sent in rfcomm_connect_req.

Best Regards

Mats Fridén
AXIS Communications

> -----Original Message-----
> From: Frank Meyering [mailto:meyering@xxxxxxx.de]
> Sent: Tuesday, October 31, 2000 10:47 AM
> To: Mattias Ĺgren
> Cc: bluetooth-dev@xxxxxxx.com
> Subject: AW: [bluetooth-dev] Interoperability..........
> 
> 
> Hi
> 
> Here is a patch for the original Axis bluetooth_20000814.tgz 
> to support CSR
> Hardware. hci_reset and read_ericsson_rev_info are deleted in 
> this version
> and the values of write_pagescan_activity are "hard coded".
> Also I found out, that the maximum RFCOMM MTU is 240 for CSR. 
> Ericsson Kits
> are supporting even more then 240. Why is it set to 127? The 
> link becomes
> faster with 240.
> 
> best regards
> 
> Frank Meyering
> 
> 
> -----Ursprüngliche Nachricht-----
> Von: Mattias Ĺgren [mailto:mattias.agren@xxxxxxx.com]
> Gesendet: Freitag, 27. Oktober 2000 12:18
> An: 'Frank Meyering'
> Betreff: RE: [bluetooth-dev] Interoperability..........
> 
> 
> Hi,
> I'm pleased to hear that you have successfully been able to 
> use the stack on
> CSR hardware. We are about to release a new version of the 
> stack today (at
> the latest on monday) which is a bit more general when 
> setting the stack to
> use different hardware.
> Is it possible to get a diff on your code and see how much 
> that easily could
> be included. If the changes easily code be included we might 
> do this soon.
> However, since there has been quite a few changes since last release
> (unfortunately our own product development has consumed most 
> time which made
> the release-rate on external code suffer).
> The best would probably be for you to work on the new stack 
> if it is not too
> much trouble. Is that ok ? Anyway, a diff on what there is 
> now would be
> useful for us.
> 
> Our system department has promised us a open cvs server any 
> day now which
> hopefully will solve these issues.
> 
> brgds
> Mattias
> 
> -----Original Message-----
> From: Frank Meyering [mailto:meyering@xxxxxxx.de]
> Sent: den 27 oktober 2000 09:40
> To: Chervirala Srinivas
> Cc: bluetooth-dev@xxxxxxx.com
> Subject: AW: [bluetooth-dev] Interoperability..........
> 
> 
> Hi,
> 
> I have no problems connecting Ericsson Bluetooth Starter Kits 
> with CSR Kits
> (Firmware beta-7). But the connection is a little bit slower 
> (about 10%).
> I'm using version 20000814 with the usermode patch (is able 
> to run ppp with
> the usermode stack, you don't need a kernel module). But I 
> had to do some
> changes in the stack for the csr module. Don't hesitate to 
> contact me, if
> you have further questions or if you want to receive a copy 
> of my stack.
> 
> best regards
> 
> Frank
> 
> -----Ursprüngliche Nachricht-----
> Von: owner-bluetooth-dev@xxxxxxx.com
> [mailto:owner-bluetooth-dev@xxxxxxx.com]Im Auftrag von 
> Chervirala Srinivas
> Gesendet: Freitag, 27. Oktober 2000 03:55
> An: bluetooth-dev@xxxxxxx.com
> Betreff: [bluetooth-dev] Interoperability..........
> 
> 
> Hi,
> 
> I would like to know whether any body tested interoperability 
> of AXIS Stack.
> 
> When I tried to establish connection by using SPP with CSR 
> and Ericsson
> modules using AXIS Stack, I am getting 'connection failed' statement.
> 
> Expecting an early reply...
> 
> Thanks
> Srinivas Chervirala
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