On Tuesday 17 April 2012 17:48:39 Matthias Apitz wrote:
> El día Tuesday, April 17, 2012 a las 05:36:56PM +0200, Hans Petter Selasky
escribió:
> > Could you check if the libusb handle gets closed after reset?
>
> The code part lookslike this:
>
> printf("Resetting USB...\n");
> ret =
> libusb_reset_device(_rt_dif.dev_handle); if (ret < 0 && ret !=
> 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);
>
> for reset it uses _rt_dif.dev_handle, and you made me add an operation
> with dif->dev_handle, is this correct?
>
> anyway:
>
> Resetting USB...
> doing libusb_set_configuration(dif->dev_handle, 1)
> dif->dev_handle 28449f00
> Opening USB Device...
> No such Alternate Setting: "rootfs"
>
You should use the same handle like for libusb_reset_device();
--HPS
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