Re: [Libusb-win32-devel] usb_set_configuration error

[Andrew X. <and...@gm...>]

I don't see the set_configuration 0x0900 come in on the device.
I see all the get_descriptor messages, and also, 0x880 to get the
configuration, but NOT the 0x0900.

I wonder why?

-Andrew




----- Original Message ----- 
From: "Dan Ellis" <Dan...@ne...>
To: <lib...@li...>
Sent: Thursday, May 04, 2006 4:44 AM
Subject: RE: [Libusb-win32-devel] usb_set_configuration error


> Andrew Xiang wrote:
> > How come there is not control message going to the USB device when
> > doing usb_set_configuration???
>
> There is a control message going to the USB device, but windows doesn't
> allow it to be sent directly, since changing the configuration of a
> device is something which must be administered by the stack, so is done
> differently than normal control messsages.
>
> The DeviceIOControl call tells the driver to tell the USB stack to
> change the configuration.
>
> Dan.
>
>
> -------------------------------------------------------
> Using Tomcat but need to do more? Need to support web services, security?
> Get stuff done quickly with pre-integrated technology to make your job
easier
> Download IBM WebSphere Application Server v.1.0.1 based on Apache Geronimo
>
http://sel.as-us.falkag.net/sel?cmd_______________________________________________
> Libusb-win32-devel mailing list
> Lib...@li...
> https://lists.sourceforge.net/lists/listinfo/libusb-win32-devel
>