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diff --git a/at91lib/usb/common/core/USBDeviceDescriptor.h b/at91lib/usb/common/core/USBDeviceDescriptor.h
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+/* ----------------------------------------------------------------------------
+ *         ATMEL Microcontroller Software Support 
+ * ----------------------------------------------------------------------------
+ * Copyright (c) 2008, Atmel Corporation
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the disclaimer below.
+ *
+ * Atmel's name may not be used to endorse or promote products derived from
+ * this software without specific prior written permission.
+ *
+ * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
+ * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
+ * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
+ * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+ * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
+ * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ * ----------------------------------------------------------------------------
+ */
+
+/**
+ \unit
+ !!!Purpose
+
+    Class for manipulating USB device descriptors.
+
+ !!!Usage
+
+    - Declare a USBDeviceDescriptor instance as the device descriptor of a
+      USB device.
+*/
+
+#ifndef USBDEVICEDESCRIPTOR_H
+#define USBDEVICEDESCRIPTOR_H
+
+//------------------------------------------------------------------------------
+//         Definitions
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+/// \page "USB release numbers"
+///
+/// This page lists the codes of USB release numbers.
+///
+/// !Code
+/// - USBDeviceDescriptor_USB2_00
+
+/// The device supports USB 2.00.
+#define USBDeviceDescriptor_USB2_00         0x0200
+//------------------------------------------------------------------------------
+
+//------------------------------------------------------------------------------
+//         Types
+//------------------------------------------------------------------------------
+
+#ifdef __ICCARM__          // IAR
+#pragma pack(1)            // IAR
+#define __attribute__(...) // IAR
+#endif                     // IAR
+
+//------------------------------------------------------------------------------
+/// USB standard device descriptor structure.
+//------------------------------------------------------------------------------
+typedef struct {
+
+   /// Size of this descriptor in bytes.
+   unsigned char bLength;
+   /// Descriptor type (USBGenericDescriptor_DEVICE).
+   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 (in bytes).
+   unsigned char bMaxPacketSize0;
+   /// Vendor ID.
+   unsigned short idVendor;
+   /// Product ID.
+   unsigned short idProduct;
+   /// Device release number in BCD format.
+   unsigned short bcdDevice;
+   /// Index of the manufacturer string descriptor.
+   unsigned char iManufacturer;
+   /// Index of the product string descriptor.
+   unsigned char iProduct;
+   /// Index of the serial number string descriptor.
+   unsigned char iSerialNumber;
+   /// Number of possible configurations for the device.
+   unsigned char bNumConfigurations;
+
+} __attribute__ ((packed)) USBDeviceDescriptor; // GCC
+
+#ifdef __ICCARM__          // IAR
+#pragma pack()             // IAR
+#endif                     // IAR
+
+#endif //#ifndef USBDEVICEDESCRIPTOR_H
+