[Bluez-users] New bluetooth device. Now what?

[Bluez-users] New bluetooth device. Now what?

[Tom Watson]

OK, I've got the kernel stuff working to my USB dongle.  It is a D-Link
DBT-120, and up to that point it all is OK.

Now I want to connect to a device.  It is an Earthmate Blue Logger GPS (quite a
nice little yellow box!).  My assumption is that eventually I want the
equivalent of a "serial" type connection that a program similar to "minicom"
can talk to.

I've entered a few commands, and I'm a little frustrated.  How do I get
something like this to work?

Some commands that DO work are:
[bluetooth]$ hcitool inq
Inquiring ...
        00:90:4B:2A:9D:9D       clock offset: 0x219e    class: 0x001f00
[bluetooth]$ hcitool scan
Scanning ...
        00:90:4B:2A:9D:9D       Earthmate Blue Logger GPS

Some that DON'T are:
[bluetooth]$ rfcomm show rfcomm0
Get info failed: No such device
[bluetooth]$ rfcomm bind rfcomm0
Can't create device: Operation not permitted

I think I have the configuration file OK, but I'm not exactly sure.

Do I need to have some configuration file setup?  The documentation isn't very
clear here (as I can see).  Do I access this with RFCOMM??  How do I connect to
the device with 'minicom'??  Do I need to setup some device files??

I have half working, but not a full connection.  It is almost there, but not
quite.

Help.....

=====
-- 
Tom Watson
tsw@johana.com


		
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Re: [Bluez-users] New bluetooth device. Now what?

[Michal Semler]

edit /etc/bluetooth/rfcomm.conf

and then rfcomm bind all and start communicate

M.

Dne ne 3. =F8=EDjna 2004 12:01 Tom Watson napsal(a):
> OK, I've got the kernel stuff working to my USB dongle.  It is a D-Link
> DBT-120, and up to that point it all is OK.
>
> Now I want to connect to a device.  It is an Earthmate Blue Logger GPS
> (quite a nice little yellow box!).  My assumption is that eventually I wa=
nt
> the equivalent of a "serial" type connection that a program similar to
> "minicom" can talk to.
>
> I've entered a few commands, and I'm a little frustrated.  How do I get
> something like this to work?
>
> Some commands that DO work are:
> [bluetooth]$ hcitool inq
> Inquiring ...
>         00:90:4B:2A:9D:9D       clock offset: 0x219e    class: 0x001f00
> [bluetooth]$ hcitool scan
> Scanning ...
>         00:90:4B:2A:9D:9D       Earthmate Blue Logger GPS
>
> Some that DON'T are:
> [bluetooth]$ rfcomm show rfcomm0
> Get info failed: No such device
> [bluetooth]$ rfcomm bind rfcomm0
> Can't create device: Operation not permitted
>
> I think I have the configuration file OK, but I'm not exactly sure.
>
> Do I need to have some configuration file setup?  The documentation isn't
> very clear here (as I can see).  Do I access this with RFCOMM??  How do I
> connect to the device with 'minicom'??  Do I need to setup some device
> files??
>
> I have half working, but not a full connection.  It is almost there, but
> not quite.
>
> Help.....
>
> =3D=3D=3D=3D=3D


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Re: [Bluez-users] New bluetooth device. Now what?

[Marcel Holtmann]

Hi Tom,

> OK, I've got the kernel stuff working to my USB dongle.  It is a D-Link
> DBT-120, and up to that point it all is OK.
> 
> Now I want to connect to a device.  It is an Earthmate Blue Logger GPS (quite a
> nice little yellow box!).  My assumption is that eventually I want the
> equivalent of a "serial" type connection that a program similar to "minicom"
> can talk to.
> 
> I've entered a few commands, and I'm a little frustrated.  How do I get
> something like this to work?
> 
> Some commands that DO work are:
> [bluetooth]$ hcitool inq
> Inquiring ...
>         00:90:4B:2A:9D:9D       clock offset: 0x219e    class: 0x001f00
> [bluetooth]$ hcitool scan
> Scanning ...
>         00:90:4B:2A:9D:9D       Earthmate Blue Logger GPS
> 
> Some that DON'T are:
> [bluetooth]$ rfcomm show rfcomm0
> Get info failed: No such device
> [bluetooth]$ rfcomm bind rfcomm0
> Can't create device: Operation not permitted
> 
> I think I have the configuration file OK, but I'm not exactly sure.
> 
> Do I need to have some configuration file setup?  The documentation isn't very
> clear here (as I can see).  Do I access this with RFCOMM??  How do I connect to
> the device with 'minicom'??  Do I need to setup some device files??

I think the documentation is clear enough. Do you looked at the manual
pages? You must do binding of RFCOMM devices as root, because normal
users don't have the right permissions and the command lookes like this:

	rfcomm bind 0 00:90:4B:2A:9D:9D 1

And after that, you bound the /dev/rfcomm0 device node to device
00:90:4B:2A:9D:9D on RFCOMM channel 1. Now use /dev/rfcomm0 like any
other terminal device.

Regards

Marcel




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