[LinuxBIOS] #57: libusb host program for PLX NET20DC debug device

Peter Stuge stuge-linuxbios at cdy.org
Sun Dec 3 18:00:46 CET 2006

On Fri, Dec 01, 2006 at 04:02:03PM -0700, Eric W. Biederman wrote:
> >> Sure, I will send it out shortly.  I currently have a working
> >> user space libusb thing (easy, but useful for my debug)
> >
> > Hm - for driving which end?
> Either.  The specific device we are talking about doesn't care.

Which device do you have?

> > The debug port isn't really supposed to be used with anything but
> > a debug device - which can't be enumerated normally anyway.
> It depends.  If you have a debug cable with magic ends and a
> hardcoded address of 127 the normal enumeration doesn't work.  I
> don't think anyone actually makes one of those.

Only one of the ports on Stefan's PLX NET20DC that I had a look at
during the LinuxBIOS symposium enumerated for me.

> Debug devices are also allowed to be normal devices that just
> support the debug descriptor.  Which is what I'm working with.

Aye. I would be happy if we could get something out, as you have
done! :) Looking forward to trying it, I hope I get my device soon.


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