/* ----------------------------------------------------------------------------
 *         ATMEL Microcontroller Software Support
 * ----------------------------------------------------------------------------
 * Copyright (c) 2008, Atmel Corporation
 *
 * All rights reserved.
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 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
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 * this list of conditions and the disclaimer below.
 *
 * Atmel's name may not be used to endorse or promote products derived from
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/*
 * $Id: USBDeviceQualifierDescriptor.h 23837 2010-10-13 13:45:05Z mahendran.p $
 */

/**
 * \file
 *
 * \section Purpose
 *
 *   Class for manipulating USB device qualifier descriptors.
 *
 * \section Usage
 *
 *   - Declare a USBDeviceQualifierDescriptor instance as the device qualifier
 *     descriptor of a USB device.
 */

#ifndef USBDEVICEQUALIFIERDESCRIPTOR_H
#define USBDEVICEQUALIFIERDESCRIPTOR_H

/** \addtogroup usb_descriptor USB Descriptors
 *@{
 */

/*------------------------------------------------------------------------------
 *         Types
 *------------------------------------------------------------------------------*/

#ifdef __ICCARM__          /* IAR */
#pragma pack(1)            /* IAR */
#define __attribute__(...) /* IAR */
#endif                     /* IAR */

/**
 * \typedef USBDeviceQualifierDescriptor
 * \brief Alternate device descriptor indicating the capabilities of the device
 *        in full-speed, if currently in high-speed; or in high-speed, if it is
 *        currently in full-speed. Only relevant for devices supporting the
 *        high-speed mode.
 */
typedef struct _USBDeviceQualifierDescriptor {

   /** Size of the descriptor in bytes. */
   unsigned char bLength;
   /** Descriptor type (USBDESC_DEVICE_QUALIFIER or "USB device types"). */
   unsigned char bDescriptorType;
   /** USB specification release number (in BCD format). */
   unsigned short bcdUSB;
   /** Device class code. */
   unsigned char bDeviceClass;
   /** Device subclass code. */
   unsigned char bDeviceSubClass;
   /** Device protocol code. */
   unsigned char bDeviceProtocol;
   /** Maximum packet size of endpoint 0. */
   unsigned char bMaxPacketSize0;
   /** Number of possible configurations for the device. */
   unsigned char bNumConfigurations;
   /** Reserved. */
   unsigned char bReserved;

} __attribute__ ((packed)) USBDeviceQualifierDescriptor; /* GCC */

#ifdef __ICCARM__          /* IAR */
#pragma pack()             /* IAR */
#endif                     /* IAR */

/**@}*/

#endif /*#ifndef USBDEVICEQUALIFIERDESCRIPTOR_H */

