Re: SDP couldn't discovery any device or service (stlc2500)

Hi,

your hciconfig output shows, that there is only one BT device with an 
UART interface. If both, UART and headset, are connected, your hciconfig 
shows only one device, missing the headset.

You are using a BT dev with UART, but did you compile bluez kernel 
module for UART?

 > I wonder only from the output of 'hciconfig -a ',could i make sure 
that the BT Module i used has really got up?

The first "UP" in the third line of hciconfig output means, that the 
device is running.

Kind regards

David


Benson Dong schrieb:
> The environment i used is BT Module (STLC2500) with bluez 3.26 running on Montavista kernel 2.6.18.
> 
> Here is hciconfig output:
> # hciconfig -a
> hci0: Type: UART
> BD Address: 00:80:E1:00:AB:BA ACL MTU: 1021:7 SCO MTU: 0:0
> UP RUNNING PSCAN ISCAN
> RX bytes:718 acl:0 sco:0 events:23 errors:0
> TX bytes:369 acl:0 sco:0 commands:23 errors:0
> Features: 0xff 0xeb 0x8d 0xfe 0x9b 0xe9 0x00 0x00
> Packet type: DM1 DM3 DM5 DH1 DH3 DH5 HV1 HV2 HV3
> Link policy: RSWITCH HOLD SNIFF PARK
> Link mode: ACCEPT MASTER
> Name: 'BlueZ (0)'
> Class: 0x080100
> Service Classes: Capturing
> Device Class: Computer, Uncategorized
> HCI Ver: 2.0 (0x3) HCI Rev: 0x402 LMP Ver: 2.0 (0x3) LMP Subver: 0x520
> Manufacturer: ST Microelectronics (48)
> 
> I wonder only from the output of 'hciconfig -a ',could i make sure that the BT Module i used has really got up?
> 
> The following is the output from 'hcidump -x -V &' when trying 'sdptool browse' and 'hcitool scan':
> # hcidump -x -V &
> # HCI sniffer - Bluetooth packet analyzer ver 1.41
> device: hci0 snap_len: 1028 filter: 0xffffffff
> # sdptool browse
> Inquiring ...
> < HCI Command: Inquiry (0x01|0x0001) plen 5
> lap 0x9e8b33 len 10 num 20
>> HCI Event: Command Status (0x0f) plen 4
> Inquiry (0x01|0x0001) status 0x00 ncmd 1
>> HCI Event: Inquiry Complete (0x01) plen 1
> status 0x00
>> HCI Event: Command Status (0x0f) plen 4
> Unknown (0x00|0x0000) status 0x00 ncmd 2
> # hcitool scan
> Scanning ...
> < HCI Command: Inquiry (0x01|0x0001) plen 5
> lap 0x9e8b33 len 8 num 0
>> HCI Event: Command Status (0x0f) plen 4
> Inquiry (0x01|0x0001) status 0x00 ncmd 1
>> HCI Event: Inquiry Complete (0x01) plen 1
> status 0x00
>> HCI Event: Command Status (0x0f) plen 4
> Unknown (0x00|0x0000) status 0x00 ncmd 2
> 
> It couldn't discovery any services with 'sdptool browse' or 'hcitool scan' ,although there's a bt headset openned.
> It seems that it has a right 'hciconfig -a' output ,but still could not work.Is it a hardware problem or software problem?
> 
> Could someone give me some hints?
> Any help would be much appreciated!
> 
> Best Regards
> Benson
> 
> 
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