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Subject: Re: [Bluez-users] bluetooth-alsa and Jabra BT800
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Date: Wed, 26 Jan 2005 15:45:03 -0700

did you put it in pairing mode (usually by holding down the power button 
until it beeps) just before running btsco?

Stefan Bellon wrote:
> Hi!
> 
> Today I got my Jabra BT800 and wanted to try it with bluetooth-alsa.
> The page lists the BT200 and BT250 as working, so I suspect it should
> be able to get the BT800 going as well.
> 
> However, I'm having trouble, and frankly, this is my first Bluetooth
> headset, so my experience is not that big.
> 
> I followed the instruction on the bluetooth-alsa page and include the
> output here. Hopefully somebody of you can shed some light on what I'm
> missing.
> 
> The Bluetooth adapter I'm using at the PC is a AVM BlueFritz USB 2.0
> 
> root@roma# hciconfig -a
> hci0:   Type: USB
>         BD Address: 00:04:0E:87:88:E9 ACL MTU: 120:20  SCO MTU: 64:0
>         UP RUNNING PSCAN ISCAN 
>         RX bytes:2502 acl:1 sco:0 events:120 errors:0
>         TX bytes:1029 acl:12 sco:0 commands:66 errors:0
>         Features: 0xff 0xff 0x05 0x00 0x00 0x00 0x00 0x00
>         Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3 
>         Link policy: RSWITCH HOLD SNIFF PARK 
>         Link mode: ACCEPT MASTER 
>         Name: 'roma-0'
>         Class: 0x000100
>         Service Classes: Unspecified
>         Device Class: Computer, Uncategorized
>         HCI Ver: 1.1 (0x1) HCI Rev: 0x2005 LMP Ver: 1.1 (0x1) LMP Subver: 0x1805
>         Manufacturer: AVM Berlin (31)
> 
> root@roma# hciconfig hci0 revision
> hci0:   Type: USB
>         BD Address: 00:04:0E:87:88:E9 ACL MTU: 120:20  SCO MTU: 64:0
>         Unknown type
> 
> root@roma# hcitool info 00:07:A4:21:1D:86
> Requesting information ...
>         BD Address:  00:07:A4:21:1D:86
>         Device Name: Jabra BT800
>         LMP Version: 1.2 (0x2) LMP Subversion: 0x68d
>         Manufacturer: Cambridge Silicon Radio (10)
>         Features: 0xfc 0xff 0x8b 0x78 0x08 0x08 0x00 0x80
>                 <encryption> <slot offset> <timing accuracy> <role switch> 
>                 <hold mode> <sniff mode> <park state> <RSSI> <channel quality> 
>                 <SCO link> <HV2 packets> <HV3 packets> <u-law log> <A-law log> 
>                 <CVSD> <paging scheme> <transparent SCO> <broadcast encrypt> 
>                 <enhanced iscan> <interlaced iscan> <interlaced pscan> 
>                 <inquiry with RSSI> <AFH cap. slave> <AFH cap. master> 
>                 <extended features> 
> 
> 
> sbellon@roma$ btsco 00:07:A4:21:1D:86
> Device is 1:0
> Failed to connect to SDP server: Connection timed out
> Assuming channel 2
> Voice setting: 0x0060
> Can't connect RFCOMM channel: Resource temporarily unavailable
> 
> The following is the hcidump for the btsco execution above:
> 
> root@roma# hcidump -X
> HCIDump - HCI packet analyzer ver 1.12
> device: hci0 snap_len: 1028 filter: 0xffffffff
> < HCI Command: Create Connection (0x01|0x0005) plen 13
>   0000: 86 1d 21 a4 07 00 18 cc  02 00 00 00 00           ..!..........
> 
>>HCI Event: Command Status (0x0f) plen 4
> 
>   0000: 00 01 05 04                                       ....
> 
>>HCI Event: Link Key Request (0x17) plen 6
> 
>   0000: 86 1d 21 a4 07 00                                 ..!...
> < HCI Command: Link Key Request Reply (0x01|0x000b) plen 22
>   0000: 86 1d 21 a4 07 00 91 19  02 dc fc bc 09 ee 46 a3  ..!...........F.
>   0010: 33 f2 01 d5 fc 1a                                 3.....
> 
>>HCI Event: Command Complete (0x0e) plen 10
> 
>   0000: 01 0b 04 00 86 1d 21 a4  07 00                    ......!...
> 
>>HCI Event: Connect Complete (0x03) plen 11
> 
>   0000: 00 05 00 86 1d 21 a4 07  00 01 01                 .....!.....
> < ACL data: handle 0x0005 flags 0x02 dlen 12
>     L2CAP(s): Connect req: psm 1 scid 0x0040
> < HCI Command: Write Link Policy Settings (0x02|0x000d) plen 4
>   0000: 05 00 0f 00                                       ....
> 
>>HCI Event: Connection Packet Type Changed (0x1d) plen 5
> 
>   0000: 00 05 00 18 cc                                    .....
> 
>>HCI Event: Command Complete (0x0e) plen 6
> 
>   0000: 01 0d 08 00 05 00                                 ......
> 
>>HCI Event: Number of Completed Packets (0x13) plen 5
> 
>   0000: 01 05 00 01 00                                    .....
> < HCI Command: Read Voice Setting (0x03|0x0025) plen 0
> 
>>HCI Event: Command Complete (0x0e) plen 6
> 
>   0000: 01 25 0c 00 60 00                                 .%..`.
> < ACL data: handle 0x0005 flags 0x02 dlen 12
>     L2CAP(s): Connect req: psm 3 scid 0x0040
> 
>>HCI Event: Number of Completed Packets (0x13) plen 5
> 
>   0000: 01 05 00 01 00                                    .....
> < HCI Command: Disconnect (0x01|0x0006) plen 3
>   0000: 05 00 13                                          ...
> 
>>HCI Event: Command Status (0x0f) plen 4
> 
>   0000: 00 01 06 04                                       ....
> 
>>HCI Event: Disconn Complete (0x05) plen 4
> 
>   0000: 00 05 00 16                                       ....
> 
> 
> sbellon@roma$ aplay -D plughw:Headset some.wav
> Playing WAVE 'some.wav' : Unsigned 8 bit, Rate 11025 Hz, Mono
> Aborted by signal Interrupt...
> 
> The following is the hcidump for the aplay execution above:
> 
> root@roma# hcidump -X
> HCIDump - HCI packet analyzer ver 1.12
> device: hci0 snap_len: 1028 filter: 0xffffffff
> 
>>HCI Event: Connect Request (0x04) plen 10
> 
>   0000: 86 1d 21 a4 07 00 0c 04  20 01                    ..!..... .
> < HCI Command: Accept Connection Request (0x01|0x0009) plen 7
>   0000: 86 1d 21 a4 07 00 00                              ..!....
> 
>>HCI Event: Command Status (0x0f) plen 4
> 
>   0000: 00 01 09 04                                       ....
> 
>>HCI Event: Role Change (0x12) plen 8
> 
>   0000: 00 86 1d 21 a4 07 00 00                           ...!....
> 
>>HCI Event: Link Key Request (0x17) plen 6
> 
>   0000: 86 1d 21 a4 07 00                                 ..!...
> < HCI Command: Link Key Request Reply (0x01|0x000b) plen 22
>   0000: 86 1d 21 a4 07 00 91 19  02 dc fc bc 09 ee 46 a3  ..!...........F.
>   0010: 33 f2 01 d5 fc 1a                                 3.....
> 
>>HCI Event: Command Complete (0x0e) plen 10
> 
>   0000: 01 0b 04 00 86 1d 21 a4  07 00                    ......!...
> 
>>HCI Event: Connect Complete (0x03) plen 11
> 
>   0000: 00 06 00 86 1d 21 a4 07  00 01 01                 .....!.....
> < HCI Command: Write Link Policy Settings (0x02|0x000d) plen 4
>   0000: 06 00 0f 00                                       ....
> 
>>HCI Event: Connection Packet Type Changed (0x1d) plen 5
> 
>   0000: 00 06 00 18 cc                                    .....
> 
>>HCI Event: Command Complete (0x0e) plen 6
> 
>   0000: 01 0d 08 00 06 00                                 ......
> < HCI Command: Change Connection Packet Type (0x01|0x000f) plen 4
>   0000: 06 00 18 cc                                       ....
> 
>>HCI Event: Command Status (0x0f) plen 4
> 
>   0000: 00 01 0f 04                                       ....
> 
>>HCI Event: Connection Packet Type Changed (0x1d) plen 5
> 
>   0000: 00 06 00 18 cc                                    .....
> 
> As you can see from the dmesg output, the snd-bt-sco module itself is
> loaded:
> 
> snd-bt-sco revision 1.4 $
> snd-bt-sco: snd-bt-scod thread starting
> snd-bt-sco: playback_open
> snd-bt-sco: prepare ok bps: 16000 size: 32768 count: 8192
> snd-bt-sco: playback_open
> snd-bt-sco: capture_open
> snd-bt-sco: prepare ok bps: 16000 size: 32768 count: 512
> snd-bt-sco: capture_prepare
> snd-bt-sco: prepare ok bps: 16000 size: 32768 count: 512
> snd-bt-sco: playback_open
> snd-bt-sco: capture_open
> snd-bt-sco: prepare ok bps: 16000 size: 32768 count: 512
> snd-bt-sco: capture_prepare
> snd-bt-sco: prepare ok bps: 16000 size: 32768 count: 512
> snd-bt-sco: playback_open
> snd-bt-sco: capture_open
> snd-bt-sco: prepare ok bps: 16000 size: 23808 count: 11904
> snd-bt-sco: playback_trigger 1
> snd-bt-sco: setting playback to bspcm
> snd-bt-sco: playback_trigger 0
> snd-bt-sco: setting playback to NULL
> snd-bt-sco: playback_open
> snd-bt-sco: prepare ok bps: 16000 size: 8002 count: 2000
> snd-bt-sco: playback_trigger 1
> snd-bt-sco: setting playback to bspcm
> snd-bt-sco: playback_trigger 0
> snd-bt-sco: setting playback to NULL
> snd-bt-sco: playback_open
> snd-bt-sco: prepare ok bps: 16000 size: 8002 count: 2000
> snd-bt-sco: playback_trigger 1
> snd-bt-sco: setting playback to bspcm
> snd-bt-sco: playback_trigger 0
> snd-bt-sco: setting playback to NULL
> snd-bt-sco: playback_open
> snd-bt-sco: prepare ok bps: 16000 size: 8002 count: 2000
> snd-bt-sco: playback_trigger 1
> snd-bt-sco: setting playback to bspcm
> snd-bt-sco: playback_trigger 0
> snd-bt-sco: setting playback to NULL
> 
> Thanks in advance for any help.
> 
> Greetings,
> Stefan.
> 


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