USB_INTERFACE_DESCRIPTOR Struct Reference

A structure representing the standard USB interface descriptor. More...

#include <libusbk.h>

Data Fields
UCHAR	bLength
	Size of this descriptor (in bytes)
UCHAR	bDescriptorType
	Descriptor type.
UCHAR	bInterfaceNumber
	Number of this interface.
UCHAR	bAlternateSetting
	Value used to select this alternate setting for this interface.
UCHAR	bNumEndpoints
	Number of endpoints used by this interface (excluding the control endpoint)
UCHAR	bInterfaceClass
	USB-IF class code for this interface.
UCHAR	bInterfaceSubClass
	USB-IF subclass code for this interface.
UCHAR	bInterfaceProtocol
	USB-IF protocol code for this interface.
UCHAR	iInterface
	Index of string descriptor describing this interface.

Detailed Description

A structure representing the standard USB interface descriptor.

This descriptor is documented in section 9.6.5 of the USB 2.0 specification. All multiple-byte fields are represented in host-endian format.

Examples:

config-interface.c, xfer-iso-asap.c, and xfer-iso.c.

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The documentation for this struct was generated from the following file:

• libusbk.h