Subject:
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Re: Linux and USB Tower
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Newsgroups:
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lugnet.robotics
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Date:
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Wed, 10 Oct 2001 19:40:16 GMT
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Viewed:
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782 times
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Hi,
lego-robotics@crynwr.com (Frank Geusch) writes:
>
> does anyone know of a possibility to talk to an RIS 2.0 USB Tower
> from linux? According to http://www.qbik.ch/usb/devices/
> the USB Tower is still unsupported. Anyone working on it?
yes, you want to join us? See http://legousb.sourceforge.net/ .
> Any helpful hints regarding specs or the like?
In principle it looks rather easy, but currently the
interface between the Linux kernel and user programs (usbdevfs)
doesn't support interrupt transfers, which is what the tower
uses (it has to, because it is a slow 1.5MB device).
It is unclear when that will be available, it seems to be
difficult according to one of the core USB developers
(see the linux-usb-devel mailing list).
Other kernel drivers that use interrupt transfer are typically
input devices, so there's no easy example driver to get a head
start from. So it is also difficult to come up with a kernel
driver, but maybe I'll make another try on the next weekend anyway.
Jürgen
--
Jürgen Stuber <stuber@loria.fr>
http://www.loria.fr/~stuber/
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Message has 1 Reply:
 | | Re: Linux and USB Tower
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| (...) I just posted a kernel patch containing my first attempt at a driver to the linux-usb-devel mailing list. It's not yet working, so I invite people to hack on it. Jürgen (23 years ago, 19-Oct-01, to lugnet.robotics)
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Message is in Reply To:
| | Linux and USB Tower
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| Hallo there, does anyone know of a possibility to talk to an RIS 2.0 USB Tower from linux? According to (URL) USB Tower is still unsupported. Anyone working on it? Any helpful hints regarding specs or the like? (Just wanted to check legOs and I (...) (23 years ago, 10-Oct-01, to lugnet.robotics)
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