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Date:      Wed, 14 Jun 2006 08:00:43 +0200
From:      Hans Petter Selasky <hselasky@c2i.net>
To:        Ulrich Spoerlein <uspoerlein@gmail.com>
Cc:        freebsd-usb@freebsd.org
Subject:   Re: uplcom.c
Message-ID:  <200606140800.44893.hselasky@c2i.net>
In-Reply-To: <20060613160633.GA1056@roadrunner.aventurien.local>
References:  <200606111120.52386.hselasky@c2i.net> <200606122315.20197.hselasky@c2i.net> <20060613160633.GA1056@roadrunner.aventurien.local>

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On Tuesday 13 June 2006 18:06, Ulrich Spoerlein wrote:
> Hans Petter Selasky wrote:
> > On Monday 12 June 2006 21:39, Ulrich Spoerlein wrote:
> > > Hans Petter Selasky wrote:
> > > > UPLCOM_INTR_INTERVAL
> > >
> > > I have such a device and am using it. The question is, what is that
> > > option supposed to do?
> >
> > It sets how often the USB host controller should query the USB device for
> > an interrupt packet.
>
> I might be making a fool out of myself, but how come you have to query
> for an interrupt? Shouldn't and interrupt fire itself? Besides, since
> this is used for serial devices (<=115200 bit/s) where's the point in
> tuning?

That is what I thought too. The USB descriptors provided with the device 
already give the default interrupt interval, so there should not be any need 
for tuning.

> > Could you have done some testing of the new driver? Maybe not right now,
> > but in one or two weeks. I will provide you with a nice tarball, that you
> > can install on FreeBSD 6/7.
>
> Sure thing, just post patches to the usual mailing lists or email me
> directly.
>
> Btw, do you know if the NetBSD folks are interested in your USB stack? I
> think it's a shame if we get three (four) BSDs with three different USB
> stacks. There are already too few people working on it ...

I don't know. We'll see when my work is finished.

--HPS



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