Subject:
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Re: Does Vision Command Camera contain USB Hub ?
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Newsgroups:
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lugnet.robotics
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Date:
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Fri, 23 Nov 2001 21:23:45 GMT
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Viewed:
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799 times
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In lugnet.robotics, Marco Correia writes:
> er... doesn't the Windoze System Properties gives you this info also ?
>
> mc.
Yes, what i wrote here : http://news.lugnet.com/robotics/?n=16569
is what my windoze ;-) system properties tell me.
But things are much clearer now. Thanks to Carsten Mueller !!
The LEGO Camera contains !NO! hub.
The Lego Cam is one device !
To each device belongs one device descriptor.
To each device descriptor belongs at least one configuration descriptor,
which describes the possible configurations of the device.
To each configuration descriptor belongs at least on Interface.
This Interfaces are a kind of subdevice.
So the LEGO Cam has one configuration descriptor and two interfaces (i.e.
the camera and the microphone).
Thank you Carsten, you turned on light in my head. :-)
Rainer
P.S.: For those who want to dig deeper, Carsten send me a great link :
http://www.linux-usb.org/USB-guide/book1.html
>
> > -----Original Message-----
> > From: news-gateway@lugnet.com
> > [mailto:news-gateway@lugnet.com]On Behalf
> > Of Rainer Balzerowski
> > Sent: Friday, November 23, 2001 3:31 PM
> > To: lego-robotics@crynwr.com
> > Subject: Re: Does Vision Command Camera contain USB Hub ?
> >
> >
> > It's me again,
> >
> > damned, the linux box i've got access to has no USB port. :-(
> >
> > Can any of you do me the favour and find out what linux says about the
> > camera and email me the result ?!?
> >
> > Thanks in advance,
> >
> > Rainer
> >
> > In lugnet.robotics, Rainer Balzerowski writes:
> > > Hi Jürgen,
> > >
> > > In lugnet.robotics, Juergen Stuber writes:
> > > > "Rainer Balzerowski" <balze2@gmx.net> writes:
> > > > >
> > > > > In fact i own a VC Camera myself. I don't want to attach • it using a USB Hub,
> > > > > but want to know if the camera allready "contains" a Hub.
> > > >
> > > > Why? It shouldn't matter.
> > >
> > > I need a proper description of the camera for my thesis.
> > >
> > > > If you have access to a Linux box with usbdevfs support you
> > > > can plug it in and look at /proc/usb/devices to know for sure.
> > >
> > > Good idea, i'll try that.
> > >
> > > Thanks,
> > >
> > > Rainer
> >
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