Re: [Bluez-users] Re: Connection issue with headset

[administrator tootai <admin@tootai.net>]

Sebastian Roth a =E9crit :

> Hi Daniel,

Hi Sebastian

>> Did not help. I made following:
>>
>> - modprobe snd-bt-sco
>
> are the other things build into the kernel or loaded? (bluetooth,
> hci_usb, l2cap, rfcomm, sco)

all in modules

> [...]
> =20
> Maybe it's working when switching it on half the way but IMO that's no
> good idea.

As the other way it wasn't working, I tried like this ;-)

>
> - load all necessary modules
> - start hcid
> - check if all is up (hciconfig)
> - switch on your headset (normal mode)
> - make sure you have the correct address!!
> - btsco <hwaddr>
> - wait for "RFCOMM channel X connected"
> - press the headset button
> - you should see some more messages now (have a look at my output below=
)
>
> btsco <hwaddr>
> Device is 1:0
> Voice setting: 0x0060
> RFCOMM channel 1 connected    # press headset button

Till here is ok. What is below I haven't :-(

>
> recieved AT+CKPD=3D200
> opened hwdep
> connected SCO channel
> Setting sco fd
> Done setting sco fd
> recieved AT+VGS=3D01
> Sending up speaker change 1    # now you should hear a static noise
> recieved AT+CKPD=3D200        # press button to stop it
> disconnected SCO channel
> recieved AT+VGS=3D01        # canceled btsco with ^C
> Sending up speaker change 1
>
>
> When I've pressed the button to start the sound I can see a lot of SCO
> data in the output of hcidump. You too?

Nothing

>
>
> If you followed this and it does not work I have two ideas.
> 1. Is it possible that your headset does not send any AT commands
> over the connected RFCOMM channel? As far as I know btsco will never
> try to establish an SCO connection without having recived the cmd
> from your headset.

 From what I check nowhere I saw any AT command. That exactly what I'm=20
looking for!

> 2. The headset is sending "other" commands when pressing the headset
> button. Same effect as 1.
>
> Please have a look at hcidump -x to see if your headset is sending such
> a command when pressing the button!

No information shown by hcidump after pressing the button. It stays at=20
the same point that btsco command. Nothing more. So this mean that my=20
headset is "specific" (brend is HAMA BT-1000 Bluetooth 2,4 Gh v1.1) and=20
don't work with the bluez-utils?

Many thanks for your help
--=20
Daniel


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