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diff --git a/Demos/MassStorageHost/ConfigDescriptor.h b/Demos/MassStorageHost/ConfigDescriptor.h
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+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2009.
+              
+  dean [at] fourwalledcubicle [dot] com
+      www.fourwalledcubicle.com
+*/
+
+/*
+  Copyright 2009  Dean Camera (dean [at] fourwalledcubicle [dot] com)
+
+  Permission to use, copy, modify, and distribute this software
+  and its documentation for any purpose and without fee is hereby
+  granted, provided that the above copyright notice appear in all
+  copies and that both that the copyright notice and this
+  permission notice and warranty disclaimer appear in supporting
+  documentation, and that the name of the author not be used in
+  advertising or publicity pertaining to distribution of the
+  software without specific, written prior permission.
+
+  The author disclaim all warranties with regard to this
+  software, including all implied warranties of merchantability
+  and fitness.  In no event shall the author be liable for any
+  special, indirect or consequential damages or any damages
+  whatsoever resulting from loss of use, data or profits, whether
+  in an action of contract, negligence or other tortious action,
+  arising out of or in connection with the use or performance of
+  this software.
+*/
+
+/** \file
+ *
+ *  Header file for ConfigDescriptor.c.
+ */
+
+#ifndef _CONFIGDESCRIPTOR_H_
+#define _CONFIGDESCRIPTOR_H_
+
+	/* Includes: */
+		#include <LUFA/Drivers/USB/USB.h>                        // USB Functionality
+		#include <LUFA/Drivers/USB/Class/ConfigDescriptor.h>     // Configuration Descriptor Parser
+		
+		#include "MassStorageHost.h"
+		
+	/* Macros: */
+		/** Interface Class value for the Mass Storage Device class */
+		#define MASS_STORE_CLASS               0x08
+
+		/** Interface Class value for the Mass Storage Device subclass */
+		#define MASS_STORE_SUBCLASS            0x06
+
+		/** Interface Protocol value for the Bulk Only transport protocol */
+		#define MASS_STORE_PROTOCOL            0x50
+		
+		/** Maximum size of a device configuration descriptor which can be processed by the host, in bytes */
+		#define MAX_CONFIG_DESCRIPTOR_SIZE     512
+
+	/* Enums: */
+		/** Enum for the possible return codes of the ProcessConfigurationDescriptor() function. */
+		enum MassStorageHost_GetConfigDescriptorDataCodes_t
+		{
+			SuccessfulConfigRead            = 0, /**< Configuration Descriptor was processed successfully */
+			ControlError                    = 1, /**< A control request to the device failed to complete successfully */
+			DescriptorTooLarge              = 2, /**< The device's Configuration Descriptor is too large to process */
+			InvalidConfigDataReturned       = 3, /**< The device returned an invalid Configuration Descriptor */
+			NoInterfaceFound                = 4, /**< A compatible MSD interface was not found in the device's Configuration Descriptor */
+			NoEndpointFound                 = 5, /**< The correct MSD endpoint descriptors were not found in the device's MSD interface */
+		};
+
+	/* Configuration Descriptor Comparison Functions: */
+		DESCRIPTOR_COMPARATOR(NextMassStorageInterface);
+		DESCRIPTOR_COMPARATOR(NextInterfaceBulkDataEndpoint);
+
+	/* Function Prototypes: */
+		uint8_t ProcessConfigurationDescriptor(void);	
+
+#endif