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ConfigDescriptor.h

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  • ConfigDescriptor.h 3.04 KiB
    /*
                 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 "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 */
    		};
    		
    	/* Function Prototypes: */
    		uint8_t ProcessConfigurationDescriptor(void);	
    
    		uint8_t DComp_NextMSInterface(void* CurrentDescriptor);
    		uint8_t DComp_NextMSInterfaceBulkDataEndpoint(void* CurrentDescriptor);
    		
    #endif