text: /*
               LUFA Library
       Copyright (C) Dean Camera, 2019.
  
    dean [at] fourwalledcubicle [dot] com
             www.lufa-lib.org
  */
  
  /*
    Copyright 2019  Dean Camera (dean [at] fourwalledcubicle [dot] com)
  
    Permission to use, copy, modify, distribute, and sell this
    software and its documentation for any purpose is hereby granted
    without fee, 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 disclaims 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 Descriptors.c.
   */
  
  #ifndef _DESCRIPTORS_H_
  #define _DESCRIPTORS_H_
  
  	/* Includes: */
  		#include <avr/pgmspace.h>
  
  		#include <LUFA/Drivers/USB/USB.h>
  
  		#include "Config/AppConfig.h"
  
  	/* Macros: */
  		/** Endpoint address of the CDC device-to-host notification IN endpoint. */
  		#define CDC_NOTIFICATION_EPADDR        (ENDPOINT_DIR_IN  | 1)
  
  		/** Endpoint address of the CDC device-to-host data IN endpoint. */
  		#define CDC_TX_EPADDR                  (ENDPOINT_DIR_IN  | 2)
  
  		/** Endpoint address of the CDC host-to-device data OUT endpoint. */
  		#define CDC_RX_EPADDR                  (ENDPOINT_DIR_OUT | 3)
  
  		/** Size in bytes of the CDC device-to-host notification IN endpoint. */
  		#define CDC_NOTIFICATION_EPSIZE        8
  
  		/** Size in bytes of the CDC data IN and OUT endpoints. */
  		#define CDC_TXRX_EPSIZE                16
  
  		/** Endpoint address of the Mass Storage device-to-host data IN endpoint. */
  		#define MASS_STORAGE_IN_EPADDR         (ENDPOINT_DIR_IN  | 4)
  
  		/** Endpoint address of the Mass Storage host-to-device data OUT endpoint. */
  		#define MASS_STORAGE_OUT_EPADDR        (ENDPOINT_DIR_OUT | 5)
  
  		/** Size in bytes of the Mass Storage data endpoints. */
  		#define MASS_STORAGE_IO_EPSIZE         64
  
  	/* Type Defines: */
  		/** Type define for the device configuration descriptor structure. This must be defined in the
  		 *  application code, as the configuration descriptor contains several sub-descriptors which
  		 *  vary between devices, and which describe the device's usage to the host.
  		 */
  		typedef struct
  		{
  			USB_Descriptor_Configuration_Header_t    Config;
  
  			// CDC Control Interface
  			USB_Descriptor_Interface_Association_t   CDC_IAD;
  			USB_Descriptor_Interface_t               CDC_CCI_Interface;
  			USB_CDC_Descriptor_FunctionalHeader_t    CDC_Functional_Header;
  			USB_CDC_Descriptor_FunctionalACM_t       CDC_Functional_ACM;
  			USB_CDC_Descriptor_FunctionalUnion_t     CDC_Functional_Union;
  			USB_Descriptor_Endpoint_t                CDC_NotificationEndpoint;
  
  			// CDC Data Interface
  			USB_Descriptor_Interface_t               CDC_DCI_Interface;
  			USB_Descriptor_Endpoint_t                CDC_DataOutEndpoint;
  			USB_Descriptor_Endpoint_t                CDC_DataInEndpoint;
  
  			// Mass Storage Interface
  			USB_Descriptor_Interface_t               MS_Interface;
  			USB_Descriptor_Endpoint_t                MS_DataInEndpoint;
  			USB_Descriptor_Endpoint_t                MS_DataOutEndpoint;
  		} USB_Descriptor_Configuration_t;
  
  		/** Enum for the device interface descriptor IDs within the device. Each interface descriptor
  		 *  should have a unique ID index associated with it, which can be used to refer to the
  		 *  interface from other descriptors.
  		 */
  		enum InterfaceDescriptors_t
  		{
  			INTERFACE_ID_CDC_CCI     = 0, /**< CDC CCI interface descriptor ID */
  			INTERFACE_ID_CDC_DCI     = 1, /**< CDC DCI interface descriptor ID */
  			INTERFACE_ID_MassStorage = 2, /**< Mass storage interface descriptor ID */
  		};
  
  		/** Enum for the device string descriptor IDs within the device. Each string descriptor should
  		 *  have a unique ID index associated with it, which can be used to refer to the string from
  		 *  other descriptors.
  		 */
  		enum StringDescriptors_t
  		{
  			STRING_ID_Language     = 0, /**< Supported Languages string descriptor ID (must be zero) */
  			STRING_ID_Manufacturer = 1, /**< Manufacturer string ID */
  			STRING_ID_Product      = 2, /**< Product string ID */
  		};
  
  	/* Function Prototypes: */
  		uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
  		                                    const uint16_t wIndex,
  		                                    const void** const DescriptorAddress)
  		                                    ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);
  
  #endif
  
  