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

#include <libusbk.h>

Data Fields
UCHAR	bLength
	Size of this descriptor (in bytes)

UCHAR	bDescriptorType
	Descriptor type.

USHORT	bcdUSB
	USB specification release number in binary-coded decimal. More...

UCHAR	bDeviceClass
	USB-IF class code for the device.

UCHAR	bDeviceSubClass
	USB-IF subclass code for the device.

UCHAR	bDeviceProtocol
	USB-IF protocol code for the device.

UCHAR	bMaxPacketSize0
	Maximum packet size for control endpoint 0.

USHORT	idVendor
	USB-IF vendor ID.

USHORT	idProduct
	USB-IF product ID.

USHORT	bcdDevice
	Device release number in binary-coded decimal.

UCHAR	iManufacturer
	Index of string descriptor describing manufacturer.

UCHAR	iProduct
	Index of string descriptor describing product.

UCHAR	iSerialNumber
	Index of string descriptor containing device serial number.

UCHAR	bNumConfigurations
	Number of possible configurations.

Detailed Description

A structure representing the standard USB device descriptor.

This descriptor is documented in section 9.6.1 of the USB 2.0 specification. All multiple-byte fields are represented in host-endian format.

Field Documentation

USHORT bcdUSB

USB specification release number in binary-coded decimal.

A value of 0x0200 indicates USB 2.0, 0x0110 indicates USB 1.1, etc.

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