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From: "lucky Dimas" <lucky_d80@hotmail.com>
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Subject: [Bluez-users] Packet Order \ L2CAP Connection
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Date: Tue, 30 Mar 2004 22:13:32 +0300

Hello,
First I have to apologize if this message is not directly BlueZ related. I 
am using my own stack on an embedded platform, but the BlueZ stack was one 
of its models.
Anyway, I am trying to connect to my Nokia 6310i over my Embedded platform 
and so far I have managed to make an inquiry, and find my cell 
phone(Allthough I had to use the max Page timeout!! Is there something wrong 
with the Nokia Bluetooth implementation, or is it what I fear: EM problems 
with my PCB?!)
Now I am trying to create a RFCOMM connection which needs an L2CAP Channel 
to run over it. Well here is where the troubles starts. Following a log of 
the packets after the BB_Connection:

Baseband Connection Table:
nr, handle, numOfChan, state, bd_addr
0, 0x  28,         0,     4, [00:60:57:23:3b:e0].OPEN
Sending Connect Request:
***T:2
** T: 28 **
** T: 20 **
** T: c **
** T: 0 **
** T: 8 **
** T: 0 **
** T: 1 **
** T: 0 **
** T: 2 **
** T: 2 **
** T: 4 **
** T: 0 **
** T: 3 **
** T: 0 **
** T: 40 **
** T: 0 **max chang

** R: 4[1]**
** R: 13
** R: 5
** R: 1
** R: 28
** R: 0
** R: 1
** R: 0
# compl.

** R: 4[1]**
** R: d
** R: 15
** R: 0
** R: 28
** R: 0
** R: 0
** R: 1
** R: 0
** R: 0
** R: 0
** R: 0
** R: 0
** R: 0
** R: 0
** R: 0
** R: ff
** R: ff
** R: ff
** R: ff
** R: ff
** R: ff
** R: ff
** R: ff

** R: 2
** R: 28
** R: 20
** R: 10
** R: 0
** R: c
** R: 0
** R: 1
** R: 0
** R: 3
** R: 2
** R: 8
** R: 0
** R: 40
** R: 0
** R: 40
** R: 0
** R: 0
** R: 0
** R: 0
** R: 0
QOS Compl.
W4_ACL_HDR


While I Do realize that my UART (Duart to be exact)implementation might 
contain bugs, I am not quite sure how to interpret this packet order, or 
what to await. Has someone a Packet sequence for a succesfull RFCOMM 
connection available? What is my stack supposed to sent after the QOS Setup, 
is there some kind of diagram available? I checked the specs, looked in 
"Connect without Cables", and "Das Bluetooth handbuch", but I couldn't find 
anything...
Any help, hint is appreciated.

Regards
Lucky(Well that’s actually my name..:))

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