On Sat, Oct 06, 2001, Juergen Stuber <[EMAIL PROTECTED]> wrote:
> Johannes Erdfelt <[EMAIL PROTECTED]> writes:
> >
> > On Sat, Sep 29, 2001, Adam Goode <[EMAIL PROTECTED]> wrote:
> > > Yes! I would very much like an interrupt interface to libusb, as it would
> > > allow me to test the iFeel force feedback code I am writing. (The iFeel
> > > is HID+extra interrupt endpoint). All I need is OUT.
> > > 
> > > Any idea how to do this? Doesn't libusb use usbdevfs? And doesn't that lack
> > > support for interrupt transfers? I seem to remember problems with this
> > > before.
> > 
> > libusb does use usbdevfs, but there is a raw urb interface to usbdevfs
> > which would allow us to do interrupt in and out transfers.
> 
> Hmm, when I look in devio.c (browsing CVS via sourceforge)
> under USBDEVFS_SUBMITURB I don't see a case for interrupt URBs.
> Is it possible to use bulk urbs, or are interrupt transfers unsupported?
> 
> I also looked at jusb, but I just discovered it (in hindsight obviously)
> doesn't support interrupt transfers yet, it just has some dummy
> methods in place.

You're right, it's not there. I worked on adding it in, but I haven't
had a chance to test it yet.

> > Not as easy as the other code, but it's not too difficult either. I'll
> > send out an email if I can get something hacked together this weekend.
> 
> So how is it going?

Not as easy as it first looked unfortunately.

JE


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