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Date:      Thu, 25 Jun 2009 23:47:47 +0200
From:      Nick Hibma <nick@van-laarhoven.org>
To:        Hans Petter Selasky <hselasky@c2i.net>
Cc:        freebsd-usb@freebsd.org
Subject:   Re: Device reset
Message-ID:  <200906252347.47365.nick@van-laarhoven.org>
In-Reply-To: <200906251557.17973.hselasky@c2i.net>
References:  <200906251524.04072.nick@van-laarhoven.org> <200906251557.17973.hselasky@c2i.net>

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Hm, ik DEVICEENUMERATE wasn't in my search. Thanks.

Nick

> On Thursday 25 June 2009 15:24:02 Nick Hibma wrote:
> > HPS,
> >
> > In FBSD7 I committed  an ioctl on the ugen.c (some time ago) that
> > allowed for resetting the device. Not a port on the device, but the
> > device itself. This was a function that was unimplemented in libusb1 up
> > to then. For example some Atmel devices need a reset after you uploaded
> > the firmware.
> >
> > I cannot seem to find this functionality in usb_ioctl.h in teh FBSD8
> > USB stack.
> >
> > Another use for this feature is to be able to reset a device into a
> > known state, like the 3G dongles that freeze. Power-cycling them is the
> > short way out of the situation.
> >
> > Cheers,
>
> Hi Nick,
>
> It's still there:
>
> See "USB_DEVICEENUMERATE()". Supported by by libusb and libsub20.
>
> Also see:
>
> usbconfig -u X -a Y reset
>
> --HPS





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