Return-Path: Message-ID: <6af20b8d0701022000j32baae52m5a563f4f3ca3e324@mail.gmail.com> Date: Wed, 3 Jan 2007 12:00:07 +0800 From: "Tianlei Zhao" To: "BlueZ users" In-Reply-To: <459AED37.20008@glidos.net> MIME-Version: 1.0 References: <57c68ddc0701012354u4137d1d3s93b28cafaa53f849@mail.gmail.com> <57c68ddc0701020229w6ddfaab3yf989a8e3999cbd1@mail.gmail.com> <20070102094414.f7b9cef1.ml133@netpole.com.br> <57c68ddc0701020446y3a7e70edh74f6ea5e0b05d07f@mail.gmail.com> <1167743069.30886.54.camel@violet> <459A60A1.80906@glidos.net> <1167745840.30886.77.camel@violet> <459AC8B4.7090407@glidos.net> <1167772692.30886.117.camel@violet> <459AED37.20008@glidos.net> Subject: Re: [Bluez-users] problem in making multiple connections using single bluetooth adapter using bluez Reply-To: BlueZ users List-Id: BlueZ users List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Content-Type: multipart/mixed; boundary="===============1076222994==" Sender: bluez-users-bounces@lists.sourceforge.net Errors-To: bluez-users-bounces@lists.sourceforge.net --===============1076222994== Content-Type: multipart/alternative; boundary="----=_Part_126899_30378081.1167796807448" ------=_Part_126899_30378081.1167796807448 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Content-Disposition: inline On 1/3/07, Paul Gardiner wrote: > > ACL data: handle 42 flags 0x02 dlen 8 > L2CAP(d): cid 0x0041 len 4 [psm 3] > RFCOMM(s): SABM: cr 1 dlci 0 pf 1 ilen 0 fcs 0x1c > < ACL data: handle 42 flags 0x02 dlen 8 > L2CAP(d): cid 0x0203 len 4 [psm 3] > RFCOMM(s): UA: cr 1 dlci 0 pf 1 ilen 0 fcs 0xd7 here we have established the RFCOMM session(control channel). > HCI Event: Number of Completed Packets (0x13) plen 5 > handle 42 packets 1 > > ACL data: handle 42 flags 0x02 dlen 17 > > ACL data: handle 42 flags 0x01 dlen 1 > L2CAP(d): cid 0x0041 len 14 [psm 3] > RFCOMM(s): PN CMD: cr 1 dlci 0 pf 0 ilen 10 fcs 0x70 mcc_len 8 > dlci 4 frame_type 0 credit_flow 15 pri 32 ack_timer 0 > frame_size 1024 max_retrans 0 credits 7 > < ACL data: handle 42 flags 0x02 dlen 8 > L2CAP(d): cid 0x0203 len 4 [psm 3] > RFCOMM(s): DM: cr 1 dlci 4 pf 1 ilen 0 fcs 0xbc And why a DM for channel 4 is sent as a response of a PN CMD for dlci 0 ? Should this not happen ? There must be some problem of the command that was received. Maybe we've got a corrupted command for dlci 4 and that hcidump didn't show it up. > HCI Event: Number of Completed Packets (0x13) plen 5 > handle 42 packets 1 > > ACL data: handle 42 flags 0x02 dlen 12 > L2CAP(s): Disconn req: dcid 0x0041 scid 0x0203 > < ACL data: handle 42 flags 0x02 dlen 12 > L2CAP(s): Disconn rsp: dcid 0x0041 scid 0x0203 > > HCI Event: Number of Completed Packets (0x13) plen 5 > handle 42 packets 1 This is really strange. ------=_Part_126899_30378081.1167796807448 Content-Type: text/html; charset=UTF-8 Content-Transfer-Encoding: 7bit Content-Disposition: inline

On 1/3/07, Paul Gardiner <osronline@glidos.net> wrote:

> ACL data: handle 42 flags 0x02 dlen 8
L2CAP(d): cid 0x0041 len 4 [psm 3]
RFCOMM(s): SABM: cr 1 dlci 0 pf 1 ilen 0 fcs 0x1c
< ACL data: handle 42 flags 0x02 dlen 8
L2CAP(d): cid 0x0203 len 4 [psm 3]
RFCOMM(s): UA: cr 1 dlci 0 pf 1 ilen 0 fcs 0xd7

here we have established the RFCOMM session(control channel).

> HCI Event: Number of Completed Packets (0x13) plen 5
handle 42 packets 1
> ACL data: handle 42 flags 0x02 dlen 17
> ACL data: handle 42 flags 0x01 dlen 1
L2CAP(d): cid 0x0041 len 14 [psm 3]
RFCOMM(s): PN CMD: cr 1 dlci 0 pf 0 ilen 10 fcs 0x70 mcc_len 8
dlci 4 frame_type 0 credit_flow 15 pri 32 ack_timer 0
frame_size 1024 max_retrans 0 credits 7
< ACL data: handle 42 flags 0x02 dlen 8
L2CAP(d): cid 0x0203 len 4 [psm 3]
RFCOMM(s): DM: cr 1 dlci 4 pf 1 ilen 0 fcs 0xbc

And why a DM for channel 4 is sent as a response of a PN CMD for dlci 0 ?
Should this not happen ? There must be some problem of the command that
was received. Maybe we've got a corrupted command for dlci 4 and that hcidump
didn't show it up.

> HCI Event: Number of Completed Packets (0x13) plen 5
handle 42 packets 1
> ACL data: handle 42 flags 0x02 dlen 12
L2CAP(s): Disconn req: dcid 0x0041 scid 0x0203
< ACL data: handle 42 flags 0x02 dlen 12
L2CAP(s): Disconn rsp: dcid 0x0041 scid 0x0203
> HCI Event: Number of Completed Packets (0x13) plen 5
handle 42 packets 1

This is really strange.

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