Hi,
libusb_open_device_with_vid_pid() opens the composite device and returns
you a device handle. This process does not claim any interface.
Performing any device functions (e.g. claim/release interface, get/set
configuration, read/write, etc.) requires a device handle, so you can use
what you get back from libusb_open_device_with_vid_pid() for these purposes.
Regards,
Chris
On Tue, Jul 9, 2013 at 10:50 PM, igx deepak <igx...@gmail.com> wrote:
> Hi All,
>
> If the function libusb_open_device_with_vid_pid() is used for a Composite
> device exposing multiple interfaces, will it open the composite device or a
> particular interface??
>
> Thanks
>
>
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