Re: [Bluez-users] rfcomm device names

[Marcel Holtmann <marcel@holtmann.org>]

Hi Robert,

> > > Hello all, I'm currently trying to make bluez work with a Maxell
> > > Digital Pen (the DP-201 for interested parties)...
> > >
> > > The question to make this happen is if it is possible to have generic
> > > rfcomm device names? I.e. can rfcomm be configured to use any device
> > > name that I can choose? (These pens only supply data via bluetooth to
> > > a specifically named port so for them to work with linux I need to be
> > > able to set this device/port name somehow)
> > >
> > > Specifically the pen works ok out of the box with the obex transfer
> > > protocol but I'm trying to enable the pens streaming protocol with
> > > connects using the serial interface and expects to find a commport
> > > with a specific name. (I'm aware that this is quite bad programming in
> > > the pens but I cannot change that)
> > >
> > > I'd appreciate any hints/ideas that would take me in the right
> > > direction. Sadly I failed to find any information in the archives for
> > > this issue.
> >
> > I am not sure if I understand you correct, but you simply have to write
> > your own RFCOMM server that registers a SDP record with the correct
> > service name in it.
> 
> I think this is correct, however, for a little bit more feedback:
> So far I have others that have used this pen in Windows and they got
> it working by renaming the virtual serial port to the expected name
> (using the widcom stack). If the serial ports are exported as services
> then you're definately spot on (I guess I have some reading to do on
> the SDP for bluetooth).

I am still not sure what renaming means.

> Please forgive me for being confusing, I have had very little
> information to begin with. As for implementing a RFCOMM server and
> exporting it do I build it on top of existing bluez source code or can
> I hook the utility programs rfcomm together with the sdptool somehow?

You can't really hook these to up and I prefer if you write your own
application to make it work properly.

Regards

Marcel



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