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From: Hans Petter Selasky <hselasky@c2i.net>
To: Robert Nilsson <robert@nilssonstudios.com>
Date: Sun, 23 Jul 2006 09:36:40 +0200
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Cc: freebsd-usb@freebsd.org
Subject: Re: libusb/ugen interrupt read question
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On Saturday 22 July 2006 17:31, Robert Nilsson wrote:
> USBD_SHORT_XFER_OK is being set by libusb.  The problem is that input
> data is queuing up in the background (from what I can tell).  I have
> a buffer full of status messages.  What I need is a way to stop the
> polling in the background from queuing the messages.

With the existing USB stack it is not possible to stop interrupt transfers. 
Then you need to install my USB driver. It will do this.

I recommend that you fetch from SVN. The SVN port is 
at /usr/ports/devel/subversion :

svn --username anonsvn --password anonsvn checkout svn://svn.turbocat.net/i4b

cd i4b/trunk/i4b/FreeBSD.usb

make S=../src package
make install

Follow the "make help" instructions.

--HPS