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usbd_select_interface()

Select the interface for a USB device

Synopsis:

#include <sys/usbdi.h>

int usbd_select_interface( struct usbd_device *device, 
                           _uint8 ifc,
                           _uint8 alt );

Arguments:

device: An opaque handle used to identify the USB device.
ifc: Interface identifier (bInterfaceNumber).
alt: Alternate identifier (bAlternateSetting).

Library:

libusbdi

Description:

You use the usbd_select_interface() function to select the interface for a USB device.

Returns:

EOK: Success.
ENOMEM: No memory for URB.
ENODEV: Device was removed.

Classification:

QNX Neutrino, QNX 4

Safety:
Cancellation point	Yes
Interrupt handler	No
Signal handler	No
Thread	Yes