From: "Ing. Gabriele Oberhammer" <gabriele@naustech.com>
To: BlueZ users <bluez-users@lists.sourceforge.net>
Subject: Re: [Bluez-users] Headset half working using Bluez's ALSA plugin
Date: Fri, 25 Jan 2008 10:01:22 +0100 [thread overview]
Message-ID: <4799A562.1030906@naustech.com> (raw)
In-Reply-To: <d89ddf300801241520x440c0714lbe996ac3ac6aced9@mail.gmail.com>
hcidump of '$ arecord -D bluetooth -f S16_LE /tmp/test.wav' :
HCI sniffer - Bluetooth packet analyzer ver 1.39
device: hci0 snap_len: 1028 filter: 0xffffffff
< HCI Command: Create Connection (0x01|0x0005) plen 13
> HCI Event: Command Status (0x0f) plen 4
> HCI Event: Connect Complete (0x03) plen 11
< ACL data: handle 46 flags 0x02 dlen 12
L2CAP(s): Connect req: psm 1 scid 0x0040
< HCI Command: Read Remote Supported Features (0x01|0x001b) plen 2
> HCI Event: Number of Completed Packets (0x13) plen 5
> HCI Event: Page Scan Repetition Mode Change (0x20) plen 7
> HCI Event: Command Status (0x0f) plen 4
< HCI Command: Write Link Policy Settings (0x02|0x000d) plen 4
> ACL data: handle 46 flags 0x02 dlen 16
L2CAP(s): Connect rsp: dcid 0x004b scid 0x0040 result 1 status 2
Connection pending - Authorization pending
> ACL data: handle 46 flags 0x02 dlen 16
L2CAP(s): Connect rsp: dcid 0x004b scid 0x0040 result 0 status 0
Connection successful
< ACL data: handle 46 flags 0x02 dlen 12
L2CAP(s): Config req: dcid 0x004b flags 0x00 clen 0
> HCI Event: Number of Completed Packets (0x13) plen 5
> HCI Event: Command Complete (0x0e) plen 6
< HCI Command: Remote Name Request (0x01|0x0019) plen 10
> HCI Event: Command Status (0x0f) plen 4
> ACL data: handle 46 flags 0x02 dlen 14
L2CAP(s): Config rsp: scid 0x0040 flags 0x00 result 0 clen 0
Success
> HCI Event: Read Remote Supported Features (0x0b) plen 11
> ACL data: handle 46 flags 0x02 dlen 16
L2CAP(s): Config req: dcid 0x0040 flags 0x00 clen 4
MTU 48
< ACL data: handle 46 flags 0x02 dlen 18
L2CAP(s): Config rsp: scid 0x004b flags 0x00 result 0 clen 4
Success
MTU 48
< ACL data: handle 46 flags 0x02 dlen 17
L2CAP(d): cid 0x004b len 13 [psm 1]
SDP SS Req: tid 0x0 len 0x8
pat uuid-16 0x1108 (Headset)
max 64
cont 00
> HCI Event: Number of Completed Packets (0x13) plen 5
> HCI Event: Number of Completed Packets (0x13) plen 5
> ACL data: handle 46 flags 0x02 dlen 18
L2CAP(d): cid 0x0040 len 14 [psm 1]
SDP SS Rsp: tid 0x0 len 0x9
count 1
handle 0x10005
cont 00
< ACL data: handle 46 flags 0x02 dlen 23
L2CAP(d): cid 0x004b len 19 [psm 1]
SDP SA Req: tid 0x1 len 0xe
handle 0x10005
max 65535
aid(s) 0x0000 - 0xffff
cont 00
> HCI Event: Number of Completed Packets (0x13) plen 5
> HCI Event: Remote Name Req Complete (0x07) plen 255
> ACL data: handle 46 flags 0x02 dlen 27
> ACL data: handle 46 flags 0x01 dlen 25
L2CAP(d): cid 0x0040 len 48 [psm 1]
SDP SA Rsp: tid 0x1 len 0x2b
count 38
cont 02 00 2D
< ACL data: handle 46 flags 0x02 dlen 25
L2CAP(d): cid 0x004b len 21 [psm 1]
SDP SA Req: tid 0x2 len 0x10
handle 0x10005
max 65535
aid(s) 0x0000 - 0xffff
cont 02 00 2D
> HCI Event: Number of Completed Packets (0x13) plen 5
> ACL data: handle 46 flags 0x02 dlen 27
> ACL data: handle 46 flags 0x01 dlen 25
L2CAP(d): cid 0x0040 len 48 [psm 1]
SDP SA Rsp: tid 0x2 len 0x2b
count 38
cont 02 00 07
< ACL data: handle 46 flags 0x02 dlen 25
L2CAP(d): cid 0x004b len 21 [psm 1]
SDP SA Req: tid 0x3 len 0x10
handle 0x10005
max 65535
aid(s) 0x0000 - 0xffff
cont 02 00 07
> HCI Event: Number of Completed Packets (0x13) plen 5
> ACL data: handle 46 flags 0x02 dlen 19
L2CAP(d): cid 0x0040 len 15 [psm 1]
SDP SA Rsp: tid 0x3 len 0xa
count 7
aid 0x0000 (SrvRecHndl)
uint 0x10005
aid 0x0001 (SrvClassIDList)
< uuid-16 0x1108 (Headset) uuid-16 0x1203 (Audio) >
aid 0x0004 (ProtocolDescList)
< < uuid-16 0x0100 (L2CAP) > <
uuid-16 0x0003 (RFCOMM) uint 0x2 > >
aid 0x0006 (LangBaseAttrIDList)
< uint 0x656e uint 0x6a uint 0x100 >
aid 0x0009 (BTProfileDescList)
< < uuid-16 0x1108 (Headset) uint 0x100 > >
aid 0x0100 (SrvName)
str "Headset"
aid 0x0302 (unknown)
bool 0x1
cont 00
< ACL data: handle 46 flags 0x02 dlen 12
L2CAP(s): Connect req: psm 3 scid 0x0041
< ACL data: handle 46 flags 0x02 dlen 12
L2CAP(s): Disconn req: dcid 0x004b scid 0x0040
> HCI Event: Number of Completed Packets (0x13) plen 5
> HCI Event: Number of Completed Packets (0x13) plen 5
> ACL data: handle 46 flags 0x02 dlen 16
L2CAP(s): Connect rsp: dcid 0x004c scid 0x0041 result 1 status 2
Connection pending - Authorization pending
> ACL data: handle 46 flags 0x02 dlen 12
L2CAP(s): Disconn rsp: dcid 0x004b scid 0x0040
> HCI Event: Link Key Request (0x17) plen 6
< HCI Command: Link Key Request Reply (0x01|0x000b) plen 22
> HCI Event: Command Complete (0x0e) plen 10
> ACL data: handle 46 flags 0x02 dlen 16
L2CAP(s): Connect rsp: dcid 0x004c scid 0x0041 result 0 status 0
Connection successful
< ACL data: handle 46 flags 0x02 dlen 16
L2CAP(s): Config req: dcid 0x004c flags 0x00 clen 4
MTU 1013
> HCI Event: Number of Completed Packets (0x13) plen 5
> ACL data: handle 46 flags 0x02 dlen 14
L2CAP(s): Config rsp: scid 0x0041 flags 0x00 result 0 clen 0
Success
> ACL data: handle 46 flags 0x02 dlen 16
L2CAP(s): Config req: dcid 0x0041 flags 0x00 clen 4
MTU 1013
< ACL data: handle 46 flags 0x02 dlen 18
L2CAP(s): Config rsp: scid 0x004c flags 0x00 result 0 clen 4
Success
MTU 1013
< ACL data: handle 46 flags 0x02 dlen 8
L2CAP(d): cid 0x004c len 4 [psm 3]
RFCOMM(s): SABM: cr 1 dlci 0 pf 1 ilen 0 fcs 0x1c
> HCI Event: Number of Completed Packets (0x13) plen 5
> HCI Event: Number of Completed Packets (0x13) plen 5
> ACL data: handle 46 flags 0x02 dlen 8
L2CAP(d): cid 0x0041 len 4 [psm 3]
RFCOMM(s): UA: cr 1 dlci 0 pf 1 ilen 0 fcs 0xd7
< ACL data: handle 46 flags 0x02 dlen 18
L2CAP(d): cid 0x004c 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 7 ack_timer 0
frame_size 1008 max_retrans 0 credits 7
> HCI Event: Number of Completed Packets (0x13) plen 5
> ACL data: handle 46 flags 0x02 dlen 18
L2CAP(d): cid 0x0041 len 14 [psm 3]
RFCOMM(s): PN RSP: cr 0 dlci 0 pf 0 ilen 10 fcs 0xaa mcc_len 8
dlci 4 frame_type 0 credit_flow 14 pri 7 ack_timer 0
frame_size 127 max_retrans 0 credits 0
< ACL data: handle 46 flags 0x02 dlen 8
L2CAP(d): cid 0x004c len 4 [psm 3]
RFCOMM(s): SABM: cr 1 dlci 4 pf 1 ilen 0 fcs 0x96
> HCI Event: Number of Completed Packets (0x13) plen 5
> ACL data: handle 46 flags 0x02 dlen 8
L2CAP(d): cid 0x0041 len 4 [psm 3]
RFCOMM(s): UA: cr 1 dlci 4 pf 1 ilen 0 fcs 0x5d
< ACL data: handle 46 flags 0x02 dlen 12
L2CAP(d): cid 0x004c len 8 [psm 3]
RFCOMM(s): MSC CMD: cr 1 dlci 0 pf 0 ilen 4 fcs 0x70 mcc_len 2
dlci 4 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 0 b2 0 b3 0 len 0
< HCI Command: Add SCO Connection (0x01|0x0007) plen 4
> ACL data: handle 46 flags 0x02 dlen 12
L2CAP(d): cid 0x0041 len 8 [psm 3]
RFCOMM(s): MSC CMD: cr 0 dlci 0 pf 0 ilen 4 fcs 0xaa mcc_len 2
dlci 4 fc 0 rtc 1 rtr 1 ic 0 dv 0 b1 0 b2 0 b3 0 len 0
< ACL data: handle 46 flags 0x02 dlen 12
L2CAP(d): cid 0x004c len 8 [psm 3]
RFCOMM(s): MSC RSP: cr 1 dlci 0 pf 0 ilen 4 fcs 0x70 mcc_len 2
dlci 4 fc 0 rtc 1 rtr 1 ic 0 dv 0 b1 0 b2 0 b3 0 len 0
> HCI Event: Number of Completed Packets (0x13) plen 5
> HCI Event: Number of Completed Packets (0x13) plen 5
> HCI Event: Command Status (0x0f) plen 4
> ACL data: handle 46 flags 0x02 dlen 12
L2CAP(d): cid 0x0041 len 8 [psm 3]
RFCOMM(s): MSC RSP: cr 0 dlci 0 pf 0 ilen 4 fcs 0xaa mcc_len 2
dlci 4 fc 0 rtc 1 rtr 1 ic 0 dv 1 b1 0 b2 0 b3 0 len 0
< ACL data: handle 46 flags 0x02 dlen 9
L2CAP(d): cid 0x004c len 5 [psm 3]
RFCOMM(d): UIH: cr 1 dlci 4 pf 1 ilen 0 fcs 0x79 credits 33
> ACL data: handle 46 flags 0x02 dlen 9
L2CAP(d): cid 0x0041 len 5 [psm 3]
RFCOMM(d): UIH: cr 0 dlci 4 pf 1 ilen 0 fcs 0xa3 credits 15
> HCI Event: Encrypt Change (0x08) plen 4
> HCI Event: Number of Completed Packets (0x13) plen 5
> HCI Event: Connect Complete (0x03) plen 11
> HCI Event: Mode Change (0x14) plen 6
Here I hear a beep and some noise in the headset, so I guess it has
entered capture mode correctly.
But from now no more packets are dumped till I interrupt arecord with
ctrl-c. After stopping arecord I get the diconnect sequence:
< ACL data: handle 46 flags 0x02 dlen 8
L2CAP(d): cid 0x004c len 4 [psm 3]
RFCOMM(s): DISC: cr 1 dlci 4 pf 1 ilen 0 fcs 0x77
< HCI Command: Disconnect (0x01|0x0006) plen 3
> HCI Event: Command Status (0x0f) plen 4
> HCI Event: Number of Completed Packets (0x13) plen 5
> ACL data: handle 46 flags 0x02 dlen 8
L2CAP(d): cid 0x0041 len 4 [psm 3]
RFCOMM(s): UA: cr 1 dlci 4 pf 1 ilen 0 fcs 0x5d
< ACL data: handle 46 flags 0x02 dlen 8
L2CAP(d): cid 0x004c len 4 [psm 3]
RFCOMM(s): DISC: cr 1 dlci 0 pf 1 ilen 0 fcs 0xfd
< ACL data: handle 46 flags 0x02 dlen 12
L2CAP(s): Disconn req: dcid 0x004c scid 0x0041
> HCI Event: Number of Completed Packets (0x13) plen 5
> HCI Event: Number of Completed Packets (0x13) plen 5
> HCI Event: Disconn Complete (0x05) plen 4
> ACL data: handle 46 flags 0x02 dlen 8
L2CAP(d): cid 0x0041 len 4 [psm 3]
RFCOMM(s): UA: cr 1 dlci 0 pf 1 ilen 0 fcs 0xd7
> ACL data: handle 46 flags 0x02 dlen 12
L2CAP(s): Disconn rsp: dcid 0x004c scid 0x0041
< HCI Command: Disconnect (0x01|0x0006) plen 3
> HCI Event: Command Status (0x0f) plen 4
> HCI Event: Disconn Complete (0x05) plen 4
Is this useful?
I'm not much into bluez source code, but I'm a C programmer so if you
give me some hints about what to look for in the sources I could try to
solve the problem myself.
Best regards, Gabriele
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next prev parent reply other threads:[~2008-01-25 9:01 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-01-22 11:43 [Bluez-users] Headset half working using Bluez's ALSA plugin Ing. Gabriele Oberhammer
2008-01-22 16:14 ` Guillaume Bedot
2008-01-24 10:07 ` Ing. Gabriele Oberhammer
2008-01-24 15:17 ` Brad Midgley
2008-01-24 22:30 ` Ing. Gabriele Oberhammer
2008-01-24 23:20 ` Brad Midgley
2008-01-25 8:33 ` Ing. Gabriele Oberhammer
2008-01-25 9:01 ` Ing. Gabriele Oberhammer [this message]
2008-01-27 11:04 ` jayjwa
2008-01-27 11:26 ` Gabriele Oberhammer
-- strict thread matches above, loose matches on Subject: below --
2008-01-24 13:42 pramod gurav
2008-01-24 13:54 ` Ing. Gabriele Oberhammer
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