Hello,
I try to play a short wav file, it works. But after on of the next tries the
connection dies somehow with "Protocol error"
hcidump attached.
Thanks,
Frank
btsco v0.4a
Device is 1:0
Voice setting: 0x0060
RFCOMM channel 6 connected
recieved AT+VGS=9
Sending up speaker change 9
driver is in use
connected SCO channel
Done setting sco fd
speaker volume: 9 mic volume: 14
driver is not in use
disconnected SCO channel
speaker volume: 9 mic volume: 14
driver is in use
Can't connect SCO audio channel
: Protocol error
driver is in use
Can't connect SCO audio channel
: Connection timed out
config data:
Dell TrueMobile 350 in Latitude X1
Head set BT201 (noname)
Gentoo Kernel 2.6.11-gentoo-r9
btsco 0.4a (gentoo ebuild)
bluetooth-alsa 1.6-r2
bluez-libs 2.16-r1
bluez-utils 2.16-r1
lati btsco-0.4a # hciconfig -a
hci0: Type: USB
BD Address: 00:10:C6:XX:XX:XX ACL MTU: 384:8 SCO MTU: 64:8
UP RUNNING PSCAN ISCAN
RX bytes:146748 acl:19 sco:2845 events:89 errors:0
TX bytes:145295 acl:19 sco:2829 commands:46 errors:0
Features: 0xff 0xff 0x9f 0xfe 0x9b 0xf9 0x00 0x80
Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
Link policy: RSWITCH HOLD SNIFF PARK
Link mode: SLAVE ACCEPT
Name: 'BlueZ (0)'
Class: 0x3e0100
Service Classes: Networking, Rendering, Capturing
Device Class: Computer, Uncategorized
HCI Ver: 1.2 (0x2) HCI Rev: 0x679 LMP Ver: 1.2 (0x2) LMP Subver: 0x679
Manufacturer: Cambridge Silicon Radio (10)
lati btsco-0.4a # hciconfig hci0 revision
hci0: Type: USB
BD Address: 00:10:C6:XX:XX:XX ACL MTU: 384:8 SCO MTU: 64:8
Build 1657
Chip version: BlueCore4-External
Max key size: 128 bit
SCO mapping: HCI
Panic code: 0x22
lati btsco-0.4a # hcitool info 00:0E:DA:XX:XX:XX
Requesting information ...
BD Address: 00:0E:DA:XX:XX:XX
Device Name: BT201
LMP Version: 1.1 (0x1) LMP Subversion: 0xc70
Manufacturer: Transilica, Inc. (24)
Features: 0xbf 0xf8 0x31 0x00 0x00 0x00 0x00 0x00
<3-slot packets> <5-slot packets> <encryption> <slot offset>
<timing accuracy> <role switch> <sniff mode> <SCO link>
<HV2 packets> <HV3 packets> <u-law log> <A-law log> <CVSD>
lati btsco-0.4a # sdptool search --bdaddr 00:0E:DA:XX:XX:XX 0x1108
Class 0x1108
Searching for 0x1108 on 00:0E:DA:XX:XX:XX ...
Service Name: Headset
Service RecHandle: 0x20000
Service Class ID List:
"Headset" (0x1108)
"Generic Audio" (0x1203)
Protocol Descriptor List:
"L2CAP" (0x0100)
"RFCOMM" (0x0003)
Channel: 6
Language Base Attr List:
code_ISO639: 0x656e
encoding: 0x6a
base_offset: 0x100
Profile Descriptor List:
"Headset" (0x1108)
Version: 0x0100
On Saturday 04 June 2005 15:19, Frank Pieczynski wrote:
> I try to play a short wav file, it works. But after on of the next tries
> the connection dies somehow with "Protocol error"
some addtitional info (I discovered the -V of hcidump):
< HCI Command: Add SCO Connection (0x01|0x0007) plen 4
handle 47 ptype 0x00e0
Packet type: HV1 HV2 HV3
> HCI Event: Command Status (0x0f) plen 4
Add SCO Connection (0x01|0x0007) status 0x00 ncmd 1
> HCI Event: Max Slots Change (0x1b) plen 3
handle 47 slots 1
> HCI Event: Connect Complete (0x03) plen 11
status 0x24 handle 47 bdaddr 00:0E:DA:XX:XX:XX type SCO encrypt 0x00
Error: LMP PDU Not Allowed
> HCI Event: Max Slots Change (0x1b) plen 3
handle 47 slots 5
What is wrong here?
Frank
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