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From: Hans Petter Selasky <hselasky@c2i.net>
To: Matthias Apitz <guru@unixarea.de>
Date: Tue, 17 Apr 2012 19:59:02 +0200
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Cc: Bruce Cran <bruce@cran.org.uk>, freebsd-usb@freebsd.org
Subject: Re: dfu-util 0.5
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On Tuesday 17 April 2012 17:48:39 Matthias Apitz wrote:
> El d=EDa Tuesday, April 17, 2012 a las 05:36:56PM +0200, Hans Petter Sela=
sky=20
escribi=F3:
> > Could you check if the libusb handle gets closed after reset?
>=20
> The code part lookslike this:
>=20
>                                 printf("Resetting USB...\n");
>                                 ret =3D
> libusb_reset_device(_rt_dif.dev_handle); if (ret < 0 && ret !=3D
> LIBUSB_ERROR_NOT_FOUND) fprintf(stderr, "error resetting "
>                                                 "after detach\n");
>                                 fprintf(stderr, "doing
> libusb_set_configuration(dif->dev_handle, 1)\n");
>                                 libusb_set_configuration(dif->dev_handle,
> 1);
>                                 sleep(2);
>                                 fprintf(stderr, "dif->dev_handle %08x\n",
> dif->dev_handle);
>=20
> for reset it uses _rt_dif.dev_handle, and you made me add an operation
> with dif->dev_handle, is this correct?
>=20
> anyway:
>=20
> Resetting USB...
> doing libusb_set_configuration(dif->dev_handle, 1)
> dif->dev_handle 28449f00
> Opening USB Device...
> No such Alternate Setting: "rootfs"
>=20

You should use the same handle like for libusb_reset_device();

=2D-HPS