Add svn:eol-style property to source files, so that the line endings are correctly...
[pub/USBasp.git] / LUFA / Drivers / USB / HighLevel / StdDescriptors.h
index 5f54561..9764b45 100644 (file)
-/*\r
-             LUFA Library\r
-     Copyright (C) Dean Camera, 2010.\r
-              \r
-  dean [at] fourwalledcubicle [dot] com\r
-      www.fourwalledcubicle.com\r
-*/\r
-\r
-/*\r
-  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)\r
-\r
-  Permission to use, copy, modify, distribute, and sell this \r
-  software and its documentation for any purpose is hereby granted\r
-  without fee, provided that the above copyright notice appear in \r
-  all copies and that both that the copyright notice and this\r
-  permission notice and warranty disclaimer appear in supporting \r
-  documentation, and that the name of the author not be used in \r
-  advertising or publicity pertaining to distribution of the \r
-  software without specific, written prior permission.\r
-\r
-  The author disclaim all warranties with regard to this\r
-  software, including all implied warranties of merchantability\r
-  and fitness.  In no event shall the author be liable for any\r
-  special, indirect or consequential damages or any damages\r
-  whatsoever resulting from loss of use, data or profits, whether\r
-  in an action of contract, negligence or other tortious action,\r
-  arising out of or in connection with the use or performance of\r
-  this software.\r
-*/\r
-\r
-/** \file\r
- *  \brief USB standard descriptor definitions.\r
- *\r
- *  This file contains structures and macros for the easy creation of standard USB descriptors in USB device projects.\r
- *\r
- *  \note This file should not be included directly. It is automatically included as needed by the USB driver\r
- *        dispatch header located in LUFA/Drivers/USB/USB.h.\r
- */\r
-\r
-/** \ingroup Group_USB\r
- *  @defgroup Group_Descriptors USB Descriptors\r
- *\r
- *  Standard USB device descriptor defines and retrieval routines, for USB devices. This module contains\r
- *  structures and macros for the easy creation of standard USB descriptors in USB device projects.\r
- *\r
- *  @{\r
- */\r
\r
-#ifndef __USBDESCRIPTORS_H__\r
-#define __USBDESCRIPTORS_H__\r
-\r
-       /* Includes: */\r
-               #include <avr/pgmspace.h>\r
-               #include <stdbool.h>\r
-               #include <stddef.h>\r
-\r
-               #include "../../../Common/Common.h"\r
-               #include "USBMode.h"\r
-               #include "Events.h"\r
-               \r
-               #if defined(USB_CAN_BE_DEVICE)\r
-                       #include "../LowLevel/Device.h"\r
-               #endif\r
-\r
-       /* Enable C linkage for C++ Compilers: */\r
-               #if defined(__cplusplus)\r
-                       extern "C" {\r
-               #endif\r
-\r
-       /* Preprocessor Checks: */\r
-               #if !defined(__INCLUDE_FROM_USB_DRIVER)\r
-                       #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.\r
-               #endif\r
-               \r
-       /* Public Interface - May be used in end-application: */\r
-               /* Macros: */\r
-                       /** Indicates that a given descriptor does not exist in the device. This can be used inside descriptors\r
-                        *  for string descriptor indexes, or may be use as a return value for GetDescriptor when the specified\r
-                        *  descriptor does not exist.\r
-                        */\r
-                       #define NO_DESCRIPTOR                     0\r
-\r
-                       #if (!defined(NO_INTERNAL_SERIAL) && (defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR))) || defined(__DOXYGEN__)\r
-                               /** String descriptor index for the device's unique serial number string descriptor within the device.\r
-                                *  This unique serial number is used by the host to associate resources to the device (such as drivers or COM port\r
-                                *  number allocations) to a device regardless of the port it is plugged in to on the host. Some USB AVRs contain\r
-                                *  a unique serial number internally, and setting the device descriptors serial number string index to this value\r
-                                *  will cause it to use the internal serial number.\r
-                                *\r
-                                *  On unsupported devices, this will evaluate to NO_DESCRIPTOR and so will force the host to create a pseudo-serial\r
-                                *  number for the device.\r
-                                */\r
-                               #define USE_INTERNAL_SERIAL           0xDC\r
-                       #else\r
-                               #define USE_INTERNAL_SERIAL           NO_DESCRIPTOR\r
-                       #endif\r
-                       \r
-                       /** Macro to calculate the power value for the configuration descriptor, from a given number of milliamps. */\r
-                       #define USB_CONFIG_POWER_MA(mA)           ((mA) >> 1)\r
-\r
-                       /** Macro to calculate the Unicode length of a string with a given number of Unicode characters.\r
-                        *  Should be used in string descriptor's headers for giving the string descriptor's byte length.\r
-                        */\r
-                       #define USB_STRING_LEN(str)               (sizeof(USB_Descriptor_Header_t) + ((str) << 1))\r
-                       \r
-                       /** Macro to encode a given four digit floating point version number (e.g. 01.23) into Binary Coded\r
-                        *  Decimal format for descriptor fields requiring BCD encoding, such as the USB version number in the\r
-                        *  standard device descriptor.\r
-                        */\r
-                       #define VERSION_BCD(x)                    ((((VERSION_TENS(x) << 4) | VERSION_ONES(x)) << 8) | \\r
-                                                                 ((VERSION_TENTHS(x) << 4) | VERSION_HUNDREDTHS(x)))\r
-\r
-                       /** String language ID for the English language. Should be used in \ref USB_Descriptor_String_t descriptors\r
-                        *  to indicate that the English language is supported by the device in its string descriptors.\r
-                        */\r
-                       #define LANGUAGE_ID_ENG                   0x0409\r
-\r
-                       /** Can be masked with an endpoint address for a \ref USB_Descriptor_Endpoint_t endpoint descriptor's\r
-                        *  EndpointAddress value to indicate to the host that the endpoint is of the IN direction (i.e, from\r
-                        *  device to host).\r
-                        */\r
-                       #define ENDPOINT_DESCRIPTOR_DIR_IN        0x80\r
-\r
-                       /** Can be masked with an endpoint address for a \ref USB_Descriptor_Endpoint_t endpoint descriptor's\r
-                        *  EndpointAddress value to indicate to the host that the endpoint is of the OUT direction (i.e, from\r
-                        *  host to device).\r
-                        */\r
-                       #define ENDPOINT_DESCRIPTOR_DIR_OUT       0x00          \r
-\r
-                       /** Can be masked with other configuration descriptor attributes for a \ref USB_Descriptor_Configuration_Header_t\r
-                        *  descriptor's ConfigAttributes value to indicate that the specified configuration can draw its power\r
-                        *  from the host's VBUS line.\r
-                        */\r
-                       #define USB_CONFIG_ATTR_BUSPOWERED        0x80\r
-\r
-                       /** Can be masked with other configuration descriptor attributes for a \ref USB_Descriptor_Configuration_Header_t\r
-                        *  descriptor's ConfigAttributes value to indicate that the specified configuration can draw its power\r
-                        *  from the device's own power source.\r
-                        */\r
-                       #define USB_CONFIG_ATTR_SELFPOWERED       0x40\r
-\r
-                       /** Can be masked with other configuration descriptor attributes for a \ref USB_Descriptor_Configuration_Header_t\r
-                        *  descriptor's ConfigAttributes value to indicate that the specified configuration supports the\r
-                        *  remote wakeup feature of the USB standard, allowing a suspended USB device to wake up the host upon\r
-                        *  request.\r
-                        */\r
-                       #define USB_CONFIG_ATTR_REMOTEWAKEUP      0x20\r
-\r
-                       /** Can be masked with other endpoint descriptor attributes for a \ref USB_Descriptor_Endpoint_t descriptor's\r
-                        *  Attributes value to indicate that the specified endpoint is not synchronized.\r
-                        *\r
-                        *  \see The USB specification for more details on the possible Endpoint attributes.\r
-                        */\r
-                       #define ENDPOINT_ATTR_NO_SYNC             (0 << 2)\r
-\r
-                       /** Can be masked with other endpoint descriptor attributes for a \ref USB_Descriptor_Endpoint_t descriptor's\r
-                        *  Attributes value to indicate that the specified endpoint is asynchronous.\r
-                        *\r
-                        *  \see The USB specification for more details on the possible Endpoint attributes.\r
-                        */\r
-                       #define ENDPOINT_ATTR_ASYNC               (1 << 2)\r
-\r
-                       /** Can be masked with other endpoint descriptor attributes for a \ref USB_Descriptor_Endpoint_t descriptor's\r
-                        *  Attributes value to indicate that the specified endpoint is adaptive.\r
-                        *\r
-                        *  \see The USB specification for more details on the possible Endpoint attributes.\r
-                        */\r
-                       #define ENDPOINT_ATTR_ADAPTIVE            (2 << 2)\r
-\r
-                       /** Can be masked with other endpoint descriptor attributes for a \ref USB_Descriptor_Endpoint_t descriptor's\r
-                        *  Attributes value to indicate that the specified endpoint is synchronized.\r
-                        *\r
-                        *  \see The USB specification for more details on the possible Endpoint attributes.\r
-                        */\r
-                       #define ENDPOINT_ATTR_SYNC                (3 << 2)\r
-                       \r
-                       /** Can be masked with other endpoint descriptor attributes for a \ref USB_Descriptor_Endpoint_t descriptor's\r
-                        *  Attributes value to indicate that the specified endpoint is used for data transfers.\r
-                        *\r
-                        *  \see The USB specification for more details on the possible Endpoint usage attributes.\r
-                        */\r
-                       #define ENDPOINT_USAGE_DATA               (0 << 4)\r
-\r
-                       /** Can be masked with other endpoint descriptor attributes for a \ref USB_Descriptor_Endpoint_t descriptor's\r
-                        *  Attributes value to indicate that the specified endpoint is used for feedback.\r
-                        *\r
-                        *  \see The USB specification for more details on the possible Endpoint usage attributes.\r
-                        */\r
-                       #define ENDPOINT_USAGE_FEEDBACK           (1 << 4)\r
-\r
-                       /** Can be masked with other endpoint descriptor attributes for a \ref USB_Descriptor_Endpoint_t descriptor's\r
-                        *  Attributes value to indicate that the specified endpoint is used for implicit feedback.\r
-                        *\r
-                        *  \see The USB specification for more details on the possible Endpoint usage attributes.\r
-                        */\r
-                       #define ENDPOINT_USAGE_IMPLICIT_FEEDBACK  (2 << 4)\r
-\r
-               /* Enums: */\r
-                       /** Enum for the possible standard descriptor types, as given in each descriptor's header. */\r
-                       enum USB_DescriptorTypes_t\r
-                       {\r
-                               DTYPE_Device               = 0x01, /**< Indicates that the descriptor is a device descriptor. */\r
-                               DTYPE_Configuration        = 0x02, /**< Indicates that the descriptor is a configuration descriptor. */\r
-                               DTYPE_String               = 0x03, /**< Indicates that the descriptor is a string descriptor. */\r
-                               DTYPE_Interface            = 0x04, /**< Indicates that the descriptor is an interface descriptor. */\r
-                               DTYPE_Endpoint             = 0x05, /**< Indicates that the descriptor is an endpoint descriptor. */\r
-                               DTYPE_DeviceQualifier      = 0x06, /**< Indicates that the descriptor is a device qualifier descriptor. */\r
-                               DTYPE_Other                = 0x07, /**< Indicates that the descriptor is of other type. */\r
-                               DTYPE_InterfacePower       = 0x08, /**< Indicates that the descriptor is an interface power descriptor. */\r
-                               DTYPE_InterfaceAssociation = 0x0B, /**< Indicates that the descriptor is an interface association descriptor. */\r
-                       };\r
-\r
-               /* Type Defines: */\r
-                       /** \brief Standard USB Descriptor Header (LUFA naming conventions).\r
-                        *\r
-             *  Type define for all descriptors' standard header, indicating the descriptor's length and type. This structure\r
-                        *  uses LUFA-specific element names to make each element's purpose clearer.\r
-                        *\r
-                        *  \see \ref USB_StdDescriptor_Header_t for the version of this define with standard element names\r
-                        */\r
-                       typedef struct\r
-                       {\r
-                               uint8_t     Size; /**< Size of the descriptor, in bytes. */\r
-                               uint8_t     Type; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value\r
-                                                  *   given by the specific class.\r
-                                                  */\r
-                       } USB_Descriptor_Header_t;\r
-                       \r
-                       /** \brief Standard USB Descriptor Header (USB-IF naming conventions).\r
-                        *\r
-                        *  Type define for all descriptors' standard header, indicating the descriptor's length and type. This structure\r
-                        *  uses the relevant standard's given element names to ensure compatibility with the standard.\r
-                        *\r
-                        *  \see \ref USB_Descriptor_Header_t for the version of this define with non-standard LUFA specific element names\r
-                        */\r
-                       typedef struct\r
-                       {\r
-                               uint8_t     bLength; /**< Size of the descriptor, in bytes. */\r
-                               uint8_t     bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value\r
-                                                             *   given by the specific class.\r
-                                                             */\r
-                       } USB_StdDescriptor_Header_t;\r
-                       \r
-                       /** \brief Standard USB Device Descriptor (LUFA naming conventions).\r
-                        *\r
-                        *  Type define for a standard Device Descriptor. This structure uses LUFA-specific element names to make each\r
-                        *  element's purpose clearer.\r
-                        *\r
-                        *  \see \ref USB_StdDescriptor_Device_t for the version of this define with standard element names\r
-                        */\r
-                       typedef struct\r
-                       {\r
-                               USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */\r
-\r
-                               uint16_t    USBSpecification; /**< BCD of the supported USB specification. */\r
-                               uint8_t     Class; /**< USB device class. */\r
-                               uint8_t     SubClass; /**< USB device subclass. */\r
-                               uint8_t     Protocol; /**< USB device protocol. */\r
-                               \r
-                               uint8_t     Endpoint0Size; /**< Size of the control (address 0) endpoint's bank in bytes. */\r
-                               \r
-                               uint16_t    VendorID; /**< Vendor ID for the USB product. */\r
-                               uint16_t    ProductID; /**< Unique product ID for the USB product. */\r
-                               uint16_t    ReleaseNumber; /**< Product release (version) number. */\r
-                               \r
-                               uint8_t     ManufacturerStrIndex; /**< String index for the manufacturer's name. The\r
-                                                                  *   host will request this string via a separate\r
-                                                                  *   control request for the string descriptor.\r
-                                                                  *\r
-                                                                  *   \note If no string supplied, use \ref NO_DESCRIPTOR.\r
-                                                                  */\r
-                               uint8_t     ProductStrIndex; /**< String index for the product name/details.\r
-                                                             *\r
-                                                             *  \see ManufacturerStrIndex structure entry.\r
-                                                             */\r
-                               uint8_t     SerialNumStrIndex; /**< String index for the product's globally unique hexadecimal\r
-                                                               *   serial number, in uppercase Unicode ASCII.\r
-                                                               *\r
-                                                               *  \note On some AVR models, there is an embedded serial number\r
-                                                               *        in the chip which can be used for the device serial number.\r
-                                                               *        To use this serial number, set this to USE_INTERNAL_SERIAL.\r
-                                                               *        On unsupported devices, this will evaluate to 0 and will cause\r
-                                                               *        the host to generate a pseudo-unique value for the device upon\r
-                                                               *        insertion.\r
-                                                               *\r
-                                                               *  \see ManufacturerStrIndex structure entry.\r
-                                                               */\r
-                               uint8_t     NumberOfConfigurations; /**< Total number of configurations supported by\r
-                                                                    *   the device.\r
-                                                                    */\r
-                       } USB_Descriptor_Device_t;\r
-\r
-                       /** \brief Standard USB Device Descriptor (USB-IF naming conventions).\r
-                        *\r
-                        *  Type define for a standard Device Descriptor. This structure uses the relevant standard's given element names\r
-                        *  to ensure compatibility with the standard.\r
-                        *\r
-                        *  \see \ref USB_Descriptor_Device_t for the version of this define with non-standard LUFA specific element names\r
-                        */\r
-                       typedef struct\r
-                       {\r
-                               uint8_t     bLength; /**< Size of the descriptor, in bytes. */\r
-                               uint8_t     bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value\r
-                                                             *   given by the specific class.\r
-                                                             */\r
-                               uint16_t    bcdUSB; /**< BCD of the supported USB specification. */\r
-                               uint8_t     bDeviceClass; /**< USB device class. */\r
-                               uint8_t     bDeviceSubClass; /**< USB device subclass. */\r
-                               uint8_t     bDeviceProtocol; /**< USB device protocol. */\r
-                               uint8_t     bMaxPacketSize0; /**< Size of the control (address 0) endpoint's bank in bytes. */\r
-                               uint16_t    idVendor; /**< Vendor ID for the USB product. */\r
-                               uint16_t    idProduct; /**< Unique product ID for the USB product. */\r
-                               uint16_t    bcdDevice; /**< Product release (version) number. */\r
-                               uint8_t     iManufacturer; /**< String index for the manufacturer's name. The\r
-                                                           *   host will request this string via a separate\r
-                                                           *   control request for the string descriptor.\r
-                                                           *\r
-                                                           *   \note If no string supplied, use \ref NO_DESCRIPTOR.\r
-                                                           */\r
-                               uint8_t     iProduct; /**< String index for the product name/details.\r
-                                                      *\r
-                                                      *  \see ManufacturerStrIndex structure entry.\r
-                                                      */\r
-                               uint8_t     iSerialNumber; /**< String index for the product's globally unique hexadecimal\r
-                                                           *   serial number, in uppercase Unicode ASCII.\r
-                                                           *\r
-                                                           *  \note On some AVR models, there is an embedded serial number\r
-                                                           *        in the chip which can be used for the device serial number.\r
-                                                           *        To use this serial number, set this to USE_INTERNAL_SERIAL.\r
-                                                           *        On unsupported devices, this will evaluate to 0 and will cause\r
-                                                           *        the host to generate a pseudo-unique value for the device upon\r
-                                                           *        insertion.\r
-                                                           *\r
-                                                           *  \see ManufacturerStrIndex structure entry.\r
-                                                            */\r
-                               uint8_t     bNumConfigurations; /**< Total number of configurations supported by\r
-                                                                *   the device.\r
-                                                                */\r
-                       } USB_StdDescriptor_Device_t;\r
-\r
-                       /** \brief Standard USB Configuration Descriptor (LUFA naming conventions).\r
-                        *\r
-                        *  Type define for a standard Configuration Descriptor header. This structure uses LUFA-specific element names\r
-                        *  to make each element's purpose clearer.\r
-                        *\r
-                        *  \see \ref USB_StdDescriptor_Configuration_Header_t for the version of this define with standard element names\r
-                        */\r
-                       typedef struct\r
-                       {\r
-                               USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */\r
-                       \r
-                               uint16_t    TotalConfigurationSize; /**< Size of the configuration descriptor header,\r
-                                                                    *   and all sub descriptors inside the configuration.\r
-                                                                    */\r
-                               uint8_t     TotalInterfaces; /**< Total number of interfaces in the configuration. */\r
-\r
-                               uint8_t     ConfigurationNumber; /**< Configuration index of the current configuration. */\r
-                               uint8_t     ConfigurationStrIndex; /**< Index of a string descriptor describing the configuration. */\r
-                               \r
-                               uint8_t     ConfigAttributes; /**< Configuration attributes, comprised of a mask of zero or\r
-                                                              *   more USB_CONFIG_ATTR_* masks.\r
-                                                              */\r
-                               \r
-                               uint8_t     MaxPowerConsumption; /**< Maximum power consumption of the device while in the\r
-                                                                 *   current configuration, calculated by the \ref USB_CONFIG_POWER_MA()\r
-                                                                 *   macro.\r
-                                                                 */\r
-                       } USB_Descriptor_Configuration_Header_t;\r
-                       \r
-                       /** \brief Standard USB Configuration Descriptor (USB-IF naming conventions).\r
-                        *\r
-                        *  Type define for a standard Configuration Descriptor header. This structure uses the relevant standard's given element names\r
-                        *  to ensure compatibility with the standard.\r
-                        *\r
-                        *  \see \ref USB_Descriptor_Device_t for the version of this define with non-standard LUFA specific element names\r
-                        */\r
-                       typedef struct\r
-                       {\r
-                               uint8_t     bLength; /**< Size of the descriptor, in bytes. */\r
-                               uint8_t     bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value\r
-                                                             *   given by the specific class.\r
-                                                             */\r
-                               uint16_t    wTotalLength; /**< Size of the configuration descriptor header,\r
-                                                          *   and all sub descriptors inside the configuration.\r
-                                                          */\r
-                               uint8_t     bNumInterfaces; /**< Total number of interfaces in the configuration. */\r
-                               uint8_t     bConfigurationValue; /**< Configuration index of the current configuration. */\r
-                               uint8_t     iConfiguration; /**< Index of a string descriptor describing the configuration. */\r
-                               uint8_t     bmAttributes; /**< Configuration attributes, comprised of a mask of zero or\r
-                                                          *   more USB_CONFIG_ATTR_* masks.\r
-                                                          */\r
-                               uint8_t     bMaxPower; /**< Maximum power consumption of the device while in the\r
-                                                       *   current configuration, calculated by the \ref USB_CONFIG_POWER_MA()\r
-                                                       *   macro.\r
-                                                       */\r
-                       } USB_StdDescriptor_Configuration_Header_t;\r
-\r
-                       /** \brief Standard USB Interface Descriptor (LUFA naming conventions).\r
-                        *\r
-                        *  Type define for a standard Interface Descriptor. This structure uses LUFA-specific element names\r
-                        *  to make each element's purpose clearer.\r
-                        *\r
-                        *  \see \ref USB_StdDescriptor_Interface_t for the version of this define with standard element names\r
-                        */\r
-                       typedef struct\r
-                       {\r
-                               USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */\r
-\r
-                               uint8_t     InterfaceNumber; /**< Index of the interface in the current configuration. */\r
-                               uint8_t     AlternateSetting; /**< Alternate setting for the interface number. The same\r
-                                                              *   interface number can have multiple alternate settings\r
-                                                              *   with different endpoint configurations, which can be\r
-                                                              *   selected by the host.\r
-                                                              */\r
-                               uint8_t     TotalEndpoints; /**< Total number of endpoints in the interface. */\r
-                               \r
-                               uint8_t     Class; /**< Interface class ID. */\r
-                               uint8_t     SubClass; /**< Interface subclass ID. */\r
-                               uint8_t     Protocol; /**< Interface protocol ID. */\r
-\r
-                               uint8_t     InterfaceStrIndex; /**< Index of the string descriptor describing the\r
-                                                               *   interface.\r
-                                                               */\r
-                       } USB_Descriptor_Interface_t;\r
-                       \r
-                       /** \brief Standard USB Interface Descriptor (USB-IF naming conventions).\r
-                        *\r
-                        *  Type define for a standard Interface Descriptor. This structure uses the relevant standard's given element names\r
-                        *  to ensure compatibility with the standard.\r
-                        *\r
-                        *  \see \ref USB_Descriptor_Interface_t for the version of this define with non-standard LUFA specific element names\r
-                        */\r
-                       typedef struct\r
-                       {\r
-                               uint8_t     bLength; /**< Size of the descriptor, in bytes. */\r
-                               uint8_t     bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value\r
-                                                             *   given by the specific class.\r
-                                                             */\r
-                               uint8_t     bInterfaceNumber; /**< Index of the interface in the current configuration. */\r
-                               uint8_t     bAlternateSetting; /**< Alternate setting for the interface number. The same\r
-                                                               *   interface number can have multiple alternate settings\r
-                                                               *   with different endpoint configurations, which can be\r
-                                                               *   selected by the host.\r
-                                                               */\r
-                               uint8_t     bNumEndpoints; /**< Total number of endpoints in the interface. */\r
-                               uint8_t     bInterfaceClass; /**< Interface class ID. */\r
-                               uint8_t     bInterfaceSubClass; /**< Interface subclass ID. */\r
-                               uint8_t     bInterfaceProtocol; /**< Interface protocol ID. */\r
-                               uint8_t     iInterface; /**< Index of the string descriptor describing the\r
-                                                        *   interface.\r
-                                                        */\r
-                       } USB_StdDescriptor_Interface_t;\r
-\r
-                       /** \brief Standard USB Interface Association Descriptor (LUFA naming conventions).\r
-                        *\r
-                        *  Type define for a standard Interface Association Descriptor. This structure uses LUFA-specific element names\r
-                        *  to make each element's purpose clearer.\r
-                        *\r
-                        *  This descriptor has been added as a supplement to the USB2.0 standard, in the ECN located at\r
-                        *  <a>http://www.usb.org/developers/docs/InterfaceAssociationDescriptor_ecn.pdf</a>. It allows compound\r
-                        *  devices with multiple interfaces related to the same function to have the multiple interfaces bound\r
-                        *  together at the point of enumeration, loading one generic driver for all the interfaces in the single\r
-                        *  function. Read the ECN for more information.\r
-                        *\r
-                        *  \see \ref USB_StdDescriptor_Interface_Association_t for the version of this define with standard element names\r
-                        */\r
-                       typedef struct\r
-                       {\r
-                               USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */\r
-                               \r
-                               uint8_t     FirstInterfaceIndex; /**< Index of the first associated interface. */\r
-                               uint8_t     TotalInterfaces; /** Total number of associated interfaces. */\r
-\r
-                               uint8_t     Class; /**< Interface class ID. */\r
-                               uint8_t     SubClass; /**< Interface subclass ID. */\r
-                               uint8_t     Protocol; /**< Interface protocol ID. */\r
-\r
-                               uint8_t     IADStrIndex; /**< Index of the string descriptor describing the\r
-                                                         *   interface association.\r
-                                                         */\r
-                       } USB_Descriptor_Interface_Association_t;\r
-                               \r
-                       /** \brief Standard USB Interface Association Descriptor (USB-IF naming conventions).\r
-                        *\r
-                        *  Type define for a standard Interface Association Descriptor. This structure uses the relevant standard's given\r
-                        *  element names to ensure compatibility with the standard.\r
-                        *\r
-                        *  This descriptor has been added as a supplement to the USB2.0 standard, in the ECN located at\r
-                        *  <a>http://www.usb.org/developers/docs/InterfaceAssociationDescriptor_ecn.pdf</a>. It allows compound\r
-                        *  devices with multiple interfaces related to the same function to have the multiple interfaces bound\r
-                        *  together at the point of enumeration, loading one generic driver for all the interfaces in the single\r
-                        *  function. Read the ECN for more information.\r
-                        *\r
-                        *  \see \ref USB_Descriptor_Interface_Association_t for the version of this define with non-standard LUFA specific\r
-                        *       element names\r
-                        */\r
-                       typedef struct\r
-                       {\r
-                               uint8_t     bLength; /**< Size of the descriptor, in bytes. */\r
-                               uint8_t     bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value\r
-                                                             *   given by the specific class.\r
-                                                             */\r
-                               uint8_t     bFirstInterface; /**< Index of the first associated interface. */\r
-                               uint8_t     bInterfaceCount; /** Total number of associated interfaces. */\r
-                               uint8_t     bFunctionClass; /**< Interface class ID. */\r
-                               uint8_t     bFunctionSubClass; /**< Interface subclass ID. */\r
-                               uint8_t     bFunctionProtocol; /**< Interface protocol ID. */\r
-                               uint8_t     iFunction; /**< Index of the string descriptor describing the\r
-                                                       *   interface association.\r
-                                                       */\r
-                       } USB_StdDescriptor_Interface_Association_t;\r
-\r
-                       /** \brief Standard USB Endpoint Descriptor (LUFA naming conventions).\r
-                        *\r
-                        *  Type define for a standard Endpoint Descriptor. This structure uses LUFA-specific element names\r
-                        *  to make each element's purpose clearer.\r
-                        *\r
-                        *  \see \ref USB_StdDescriptor_Endpoint_t for the version of this define with standard element names\r
-                        */\r
-                       typedef struct\r
-                       {\r
-                               USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */\r
-\r
-                               uint8_t     EndpointAddress; /**< Logical address of the endpoint within the device\r
-                                                             *   for the current configuration, including direction\r
-                                                             *   mask.\r
-                                                             */\r
-                               uint8_t     Attributes; /**< Endpoint attributes, comprised of a mask of the\r
-                                                        *   endpoint type (EP_TYPE_*) and attributes (ENDPOINT_ATTR_*)\r
-                                                        *   masks.\r
-                                                        */\r
-                               uint16_t    EndpointSize; /**< Size of the endpoint bank, in bytes. This indicates the\r
-                                                          *   maximum packet size that the endpoint can receive at a time.\r
-                                                          */\r
-                               \r
-                               uint8_t     PollingIntervalMS; /**< Polling interval in milliseconds for the endpoint\r
-                                                               *   if it is an INTERRUPT or ISOCHRONOUS type.\r
-                                                               */\r
-                       } USB_Descriptor_Endpoint_t;\r
-                               \r
-                       /** \brief Standard USB Endpoint Descriptor (USB-IF naming conventions).\r
-                        *\r
-                        *  Type define for a standard Endpoint Descriptor. This structure uses the relevant standard's given\r
-                        *  element names to ensure compatibility with the standard.\r
-                        *\r
-                        *  \see \ref USB_Descriptor_Endpoint_t for the version of this define with non-standard LUFA specific\r
-                        *       element names\r
-                        */\r
-                       typedef struct\r
-                       {\r
-                               uint8_t     bLength; /**< Size of the descriptor, in bytes. */\r
-                               uint8_t     bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value\r
-                                                             *   given by the specific class.\r
-                                                             */\r
-                               uint8_t     bEndpointAddress; /**< Logical address of the endpoint within the device\r
-                                                              *   for the current configuration, including direction\r
-                                                              *   mask.\r
-                                                              */\r
-                               uint8_t     bmAttributes; /**< Endpoint attributes, comprised of a mask of the\r
-                                                          *   endpoint type (EP_TYPE_*) and attributes (ENDPOINT_ATTR_*)\r
-                                                          *   masks.\r
-                                                          */\r
-                               uint16_t    wMaxPacketSize; /**< Size of the endpoint bank, in bytes. This indicates the\r
-                                                            *   maximum packet size that the endpoint can receive at a time.\r
-                                                            */\r
-                               uint8_t     bInterval; /**< Polling interval in milliseconds for the endpoint\r
-                                                       *   if it is an INTERRUPT or ISOCHRONOUS type.\r
-                                                       */\r
-                       } USB_StdDescriptor_Endpoint_t;\r
-\r
-                       /** \brief Standard USB String Descriptor (LUFA naming conventions).\r
-                        *\r
-                        *  Type define for a standard string descriptor. Unlike other standard descriptors, the length\r
-                        *  of the descriptor for placement in the descriptor header must be determined by the \ref USB_STRING_LEN()\r
-                        *  macro rather than by the size of the descriptor structure, as the length is not fixed.\r
-                        *\r
-                        *  This structure should also be used for string index 0, which contains the supported language IDs for\r
-                        *  the device as an array.\r
-                        *\r
-                        *  This structure uses LUFA-specific element names to make each element's purpose clearer.\r
-                        *\r
-                        *  \see \ref USB_StdDescriptor_String_t for the version of this define with standard element names\r
-                        */\r
-                       typedef struct\r
-                       {\r
-                               USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */\r
-                               \r
-                               wchar_t UnicodeString[];  /**< String data, as unicode characters (alternatively,\r
-                                                          *   string language IDs). If normal ASCII characters are\r
-                                                          *   to be used, they must be added as an array of characters\r
-                                                          *   rather than a normal C string so that they are widened to\r
-                                                          *   Unicode size.\r
-                                                          *\r
-                                                          *   Under GCC, strings prefixed with the "L" character (before\r
-                                                          *   the opening string quotation mark) are considered to be\r
-                                                          *   Unicode strings, and may be used instead of an explicit\r
-                                                          *   array of ASCII characters.\r
-                                                          */\r
-                       } USB_Descriptor_String_t;\r
-\r
-                       /** \brief Standard USB String Descriptor (USB-IF naming conventions).\r
-                        *\r
-                        *  Type define for a standard string descriptor. Unlike other standard descriptors, the length\r
-                        *  of the descriptor for placement in the descriptor header must be determined by the \ref USB_STRING_LEN()\r
-                        *  macro rather than by the size of the descriptor structure, as the length is not fixed.\r
-                        *\r
-                        *  This structure should also be used for string index 0, which contains the supported language IDs for\r
-                        *  the device as an array.\r
-                        *\r
-                        *  This structure uses the relevant standard's given element names to ensure compatibility with the standard.\r
-                        *\r
-                        *  \see \ref USB_Descriptor_String_t for the version of this define with with non-standard LUFA specific\r
-                        *       element names\r
-                        */\r
-                       typedef struct\r
-                       {\r
-                                       uint8_t                 bLength; /**< Size of the descriptor, in bytes. */\r
-                                       uint8_t                 bDescriptorType; /**< Type of the descriptor, either a value in\r
-                                                                                 *   \ref USB_DescriptorTypes_t or a value\r
-                                                                             *   given by the specific class.\r
-                                                                             */\r
-                                       int16_t                 bString[]; /**< String data, as unicode characters (alternatively,\r
-                                                                       *   string language IDs). If normal ASCII characters are\r
-                                                                       *   to be used, they must be added as an array of characters\r
-                                                                       *   rather than a normal C string so that they are widened to\r
-                                                                       *   Unicode size.\r
-                                                                       *\r
-                                                                       *   Under GCC, strings prefixed with the "L" character (before\r
-                                                                       *   the opening string quotation mark) are considered to be\r
-                                                                       *   Unicode strings, and may be used instead of an explicit\r
-                                                                       *   array of ASCII characters.\r
-                                                                       */\r
-                       } USB_StdDescriptor_String_t;\r
-\r
-       /* Private Interface - For use in library only: */\r
-       #if !defined(__DOXYGEN__)\r
-               /* Macros: */\r
-                       #define VERSION_TENS(x)                   (int)((x) / 10)\r
-                       #define VERSION_ONES(x)                   (int)((x) - (10 * VERSION_TENS(x)))\r
-                       #define VERSION_TENTHS(x)                 (int)(((x) - (int)(x)) * 10)\r
-                       #define VERSION_HUNDREDTHS(x)             (int)((((x) - (int)(x)) * 100) - (10 * VERSION_TENTHS(x)))\r
-       #endif\r
-       \r
-       /* Disable C linkage for C++ Compilers: */\r
-               #if defined(__cplusplus)\r
-                       }\r
-               #endif\r
-       \r
-#endif\r
-\r
-/** @} */\r
+/*
+             LUFA Library
+     Copyright (C) Dean Camera, 2010.
+              
+  dean [at] fourwalledcubicle [dot] com
+      www.fourwalledcubicle.com
+*/
+
+/*
+  Copyright 2010  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 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
+ *  \brief USB standard descriptor definitions.
+ *
+ *  This file contains structures and macros for the easy creation of standard USB descriptors in USB device projects.
+ *
+ *  \note This file should not be included directly. It is automatically included as needed by the USB driver
+ *        dispatch header located in LUFA/Drivers/USB/USB.h.
+ */
+
+/** \ingroup Group_USB
+ *  @defgroup Group_Descriptors USB Descriptors
+ *
+ *  Standard USB device descriptor defines and retrieval routines, for USB devices. This module contains
+ *  structures and macros for the easy creation of standard USB descriptors in USB device projects.
+ *
+ *  @{
+ */
+#ifndef __USBDESCRIPTORS_H__
+#define __USBDESCRIPTORS_H__
+
+       /* Includes: */
+               #include <avr/pgmspace.h>
+               #include <stdbool.h>
+               #include <stddef.h>
+
+               #include "../../../Common/Common.h"
+               #include "USBMode.h"
+               #include "Events.h"
+               
+               #if defined(USB_CAN_BE_DEVICE)
+                       #include "../LowLevel/Device.h"
+               #endif
+
+       /* Enable C linkage for C++ Compilers: */
+               #if defined(__cplusplus)
+                       extern "C" {
+               #endif
+
+       /* Preprocessor Checks: */
+               #if !defined(__INCLUDE_FROM_USB_DRIVER)
+                       #error Do not include this file directly. Include LUFA/Drivers/USB/USB.h instead.
+               #endif
+               
+       /* Public Interface - May be used in end-application: */
+               /* Macros: */
+                       /** Indicates that a given descriptor does not exist in the device. This can be used inside descriptors
+                        *  for string descriptor indexes, or may be use as a return value for GetDescriptor when the specified
+                        *  descriptor does not exist.
+                        */
+                       #define NO_DESCRIPTOR                     0
+
+                       #if (!defined(NO_INTERNAL_SERIAL) && (defined(USB_SERIES_6_AVR) || defined(USB_SERIES_7_AVR))) || defined(__DOXYGEN__)
+                               /** String descriptor index for the device's unique serial number string descriptor within the device.
+                                *  This unique serial number is used by the host to associate resources to the device (such as drivers or COM port
+                                *  number allocations) to a device regardless of the port it is plugged in to on the host. Some USB AVRs contain
+                                *  a unique serial number internally, and setting the device descriptors serial number string index to this value
+                                *  will cause it to use the internal serial number.
+                                *
+                                *  On unsupported devices, this will evaluate to NO_DESCRIPTOR and so will force the host to create a pseudo-serial
+                                *  number for the device.
+                                */
+                               #define USE_INTERNAL_SERIAL           0xDC
+                       #else
+                               #define USE_INTERNAL_SERIAL           NO_DESCRIPTOR
+                       #endif
+                       
+                       /** Macro to calculate the power value for the configuration descriptor, from a given number of milliamps. */
+                       #define USB_CONFIG_POWER_MA(mA)           ((mA) >> 1)
+
+                       /** Macro to calculate the Unicode length of a string with a given number of Unicode characters.
+                        *  Should be used in string descriptor's headers for giving the string descriptor's byte length.
+                        */
+                       #define USB_STRING_LEN(str)               (sizeof(USB_Descriptor_Header_t) + ((str) << 1))
+                       
+                       /** Macro to encode a given four digit floating point version number (e.g. 01.23) into Binary Coded
+                        *  Decimal format for descriptor fields requiring BCD encoding, such as the USB version number in the
+                        *  standard device descriptor.
+                        */
+                       #define VERSION_BCD(x)                    ((((VERSION_TENS(x) << 4) | VERSION_ONES(x)) << 8) | \
+                                                                 ((VERSION_TENTHS(x) << 4) | VERSION_HUNDREDTHS(x)))
+
+                       /** String language ID for the English language. Should be used in \ref USB_Descriptor_String_t descriptors
+                        *  to indicate that the English language is supported by the device in its string descriptors.
+                        */
+                       #define LANGUAGE_ID_ENG                   0x0409
+
+                       /** Can be masked with an endpoint address for a \ref USB_Descriptor_Endpoint_t endpoint descriptor's
+                        *  EndpointAddress value to indicate to the host that the endpoint is of the IN direction (i.e, from
+                        *  device to host).
+                        */
+                       #define ENDPOINT_DESCRIPTOR_DIR_IN        0x80
+
+                       /** Can be masked with an endpoint address for a \ref USB_Descriptor_Endpoint_t endpoint descriptor's
+                        *  EndpointAddress value to indicate to the host that the endpoint is of the OUT direction (i.e, from
+                        *  host to device).
+                        */
+                       #define ENDPOINT_DESCRIPTOR_DIR_OUT       0x00          
+
+                       /** Can be masked with other configuration descriptor attributes for a \ref USB_Descriptor_Configuration_Header_t
+                        *  descriptor's ConfigAttributes value to indicate that the specified configuration can draw its power
+                        *  from the host's VBUS line.
+                        */
+                       #define USB_CONFIG_ATTR_BUSPOWERED        0x80
+
+                       /** Can be masked with other configuration descriptor attributes for a \ref USB_Descriptor_Configuration_Header_t
+                        *  descriptor's ConfigAttributes value to indicate that the specified configuration can draw its power
+                        *  from the device's own power source.
+                        */
+                       #define USB_CONFIG_ATTR_SELFPOWERED       0x40
+
+                       /** Can be masked with other configuration descriptor attributes for a \ref USB_Descriptor_Configuration_Header_t
+                        *  descriptor's ConfigAttributes value to indicate that the specified configuration supports the
+                        *  remote wakeup feature of the USB standard, allowing a suspended USB device to wake up the host upon
+                        *  request.
+                        */
+                       #define USB_CONFIG_ATTR_REMOTEWAKEUP      0x20
+
+                       /** Can be masked with other endpoint descriptor attributes for a \ref USB_Descriptor_Endpoint_t descriptor's
+                        *  Attributes value to indicate that the specified endpoint is not synchronized.
+                        *
+                        *  \see The USB specification for more details on the possible Endpoint attributes.
+                        */
+                       #define ENDPOINT_ATTR_NO_SYNC             (0 << 2)
+
+                       /** Can be masked with other endpoint descriptor attributes for a \ref USB_Descriptor_Endpoint_t descriptor's
+                        *  Attributes value to indicate that the specified endpoint is asynchronous.
+                        *
+                        *  \see The USB specification for more details on the possible Endpoint attributes.
+                        */
+                       #define ENDPOINT_ATTR_ASYNC               (1 << 2)
+
+                       /** Can be masked with other endpoint descriptor attributes for a \ref USB_Descriptor_Endpoint_t descriptor's
+                        *  Attributes value to indicate that the specified endpoint is adaptive.
+                        *
+                        *  \see The USB specification for more details on the possible Endpoint attributes.
+                        */
+                       #define ENDPOINT_ATTR_ADAPTIVE            (2 << 2)
+
+                       /** Can be masked with other endpoint descriptor attributes for a \ref USB_Descriptor_Endpoint_t descriptor's
+                        *  Attributes value to indicate that the specified endpoint is synchronized.
+                        *
+                        *  \see The USB specification for more details on the possible Endpoint attributes.
+                        */
+                       #define ENDPOINT_ATTR_SYNC                (3 << 2)
+                       
+                       /** Can be masked with other endpoint descriptor attributes for a \ref USB_Descriptor_Endpoint_t descriptor's
+                        *  Attributes value to indicate that the specified endpoint is used for data transfers.
+                        *
+                        *  \see The USB specification for more details on the possible Endpoint usage attributes.
+                        */
+                       #define ENDPOINT_USAGE_DATA               (0 << 4)
+
+                       /** Can be masked with other endpoint descriptor attributes for a \ref USB_Descriptor_Endpoint_t descriptor's
+                        *  Attributes value to indicate that the specified endpoint is used for feedback.
+                        *
+                        *  \see The USB specification for more details on the possible Endpoint usage attributes.
+                        */
+                       #define ENDPOINT_USAGE_FEEDBACK           (1 << 4)
+
+                       /** Can be masked with other endpoint descriptor attributes for a \ref USB_Descriptor_Endpoint_t descriptor's
+                        *  Attributes value to indicate that the specified endpoint is used for implicit feedback.
+                        *
+                        *  \see The USB specification for more details on the possible Endpoint usage attributes.
+                        */
+                       #define ENDPOINT_USAGE_IMPLICIT_FEEDBACK  (2 << 4)
+
+               /* Enums: */
+                       /** Enum for the possible standard descriptor types, as given in each descriptor's header. */
+                       enum USB_DescriptorTypes_t
+                       {
+                               DTYPE_Device               = 0x01, /**< Indicates that the descriptor is a device descriptor. */
+                               DTYPE_Configuration        = 0x02, /**< Indicates that the descriptor is a configuration descriptor. */
+                               DTYPE_String               = 0x03, /**< Indicates that the descriptor is a string descriptor. */
+                               DTYPE_Interface            = 0x04, /**< Indicates that the descriptor is an interface descriptor. */
+                               DTYPE_Endpoint             = 0x05, /**< Indicates that the descriptor is an endpoint descriptor. */
+                               DTYPE_DeviceQualifier      = 0x06, /**< Indicates that the descriptor is a device qualifier descriptor. */
+                               DTYPE_Other                = 0x07, /**< Indicates that the descriptor is of other type. */
+                               DTYPE_InterfacePower       = 0x08, /**< Indicates that the descriptor is an interface power descriptor. */
+                               DTYPE_InterfaceAssociation = 0x0B, /**< Indicates that the descriptor is an interface association descriptor. */
+                       };
+
+               /* Type Defines: */
+                       /** \brief Standard USB Descriptor Header (LUFA naming conventions).
+                        *
+             *  Type define for all descriptors' standard header, indicating the descriptor's length and type. This structure
+                        *  uses LUFA-specific element names to make each element's purpose clearer.
+                        *
+                        *  \see \ref USB_StdDescriptor_Header_t for the version of this define with standard element names
+                        */
+                       typedef struct
+                       {
+                               uint8_t     Size; /**< Size of the descriptor, in bytes. */
+                               uint8_t     Type; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value
+                                                  *   given by the specific class.
+                                                  */
+                       } USB_Descriptor_Header_t;
+                       
+                       /** \brief Standard USB Descriptor Header (USB-IF naming conventions).
+                        *
+                        *  Type define for all descriptors' standard header, indicating the descriptor's length and type. This structure
+                        *  uses the relevant standard's given element names to ensure compatibility with the standard.
+                        *
+                        *  \see \ref USB_Descriptor_Header_t for the version of this define with non-standard LUFA specific element names
+                        */
+                       typedef struct
+                       {
+                               uint8_t     bLength; /**< Size of the descriptor, in bytes. */
+                               uint8_t     bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value
+                                                             *   given by the specific class.
+                                                             */
+                       } USB_StdDescriptor_Header_t;
+                       
+                       /** \brief Standard USB Device Descriptor (LUFA naming conventions).
+                        *
+                        *  Type define for a standard Device Descriptor. This structure uses LUFA-specific element names to make each
+                        *  element's purpose clearer.
+                        *
+                        *  \see \ref USB_StdDescriptor_Device_t for the version of this define with standard element names
+                        */
+                       typedef struct
+                       {
+                               USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */
+
+                               uint16_t    USBSpecification; /**< BCD of the supported USB specification. */
+                               uint8_t     Class; /**< USB device class. */
+                               uint8_t     SubClass; /**< USB device subclass. */
+                               uint8_t     Protocol; /**< USB device protocol. */
+                               
+                               uint8_t     Endpoint0Size; /**< Size of the control (address 0) endpoint's bank in bytes. */
+                               
+                               uint16_t    VendorID; /**< Vendor ID for the USB product. */
+                               uint16_t    ProductID; /**< Unique product ID for the USB product. */
+                               uint16_t    ReleaseNumber; /**< Product release (version) number. */
+                               
+                               uint8_t     ManufacturerStrIndex; /**< String index for the manufacturer's name. The
+                                                                  *   host will request this string via a separate
+                                                                  *   control request for the string descriptor.
+                                                                  *
+                                                                  *   \note If no string supplied, use \ref NO_DESCRIPTOR.
+                                                                  */
+                               uint8_t     ProductStrIndex; /**< String index for the product name/details.
+                                                             *
+                                                             *  \see ManufacturerStrIndex structure entry.
+                                                             */
+                               uint8_t     SerialNumStrIndex; /**< String index for the product's globally unique hexadecimal
+                                                               *   serial number, in uppercase Unicode ASCII.
+                                                               *
+                                                               *  \note On some AVR models, there is an embedded serial number
+                                                               *        in the chip which can be used for the device serial number.
+                                                               *        To use this serial number, set this to USE_INTERNAL_SERIAL.
+                                                               *        On unsupported devices, this will evaluate to 0 and will cause
+                                                               *        the host to generate a pseudo-unique value for the device upon
+                                                               *        insertion.
+                                                               *
+                                                               *  \see ManufacturerStrIndex structure entry.
+                                                               */
+                               uint8_t     NumberOfConfigurations; /**< Total number of configurations supported by
+                                                                    *   the device.
+                                                                    */
+                       } USB_Descriptor_Device_t;
+
+                       /** \brief Standard USB Device Descriptor (USB-IF naming conventions).
+                        *
+                        *  Type define for a standard Device Descriptor. This structure uses the relevant standard's given element names
+                        *  to ensure compatibility with the standard.
+                        *
+                        *  \see \ref USB_Descriptor_Device_t for the version of this define with non-standard LUFA specific element names
+                        */
+                       typedef struct
+                       {
+                               uint8_t     bLength; /**< Size of the descriptor, in bytes. */
+                               uint8_t     bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value
+                                                             *   given by the specific class.
+                                                             */
+                               uint16_t    bcdUSB; /**< BCD of the supported USB specification. */
+                               uint8_t     bDeviceClass; /**< USB device class. */
+                               uint8_t     bDeviceSubClass; /**< USB device subclass. */
+                               uint8_t     bDeviceProtocol; /**< USB device protocol. */
+                               uint8_t     bMaxPacketSize0; /**< Size of the control (address 0) endpoint's bank in bytes. */
+                               uint16_t    idVendor; /**< Vendor ID for the USB product. */
+                               uint16_t    idProduct; /**< Unique product ID for the USB product. */
+                               uint16_t    bcdDevice; /**< Product release (version) number. */
+                               uint8_t     iManufacturer; /**< String index for the manufacturer's name. The
+                                                           *   host will request this string via a separate
+                                                           *   control request for the string descriptor.
+                                                           *
+                                                           *   \note If no string supplied, use \ref NO_DESCRIPTOR.
+                                                           */
+                               uint8_t     iProduct; /**< String index for the product name/details.
+                                                      *
+                                                      *  \see ManufacturerStrIndex structure entry.
+                                                      */
+                               uint8_t     iSerialNumber; /**< String index for the product's globally unique hexadecimal
+                                                           *   serial number, in uppercase Unicode ASCII.
+                                                           *
+                                                           *  \note On some AVR models, there is an embedded serial number
+                                                           *        in the chip which can be used for the device serial number.
+                                                           *        To use this serial number, set this to USE_INTERNAL_SERIAL.
+                                                           *        On unsupported devices, this will evaluate to 0 and will cause
+                                                           *        the host to generate a pseudo-unique value for the device upon
+                                                           *        insertion.
+                                                           *
+                                                           *  \see ManufacturerStrIndex structure entry.
+                                                            */
+                               uint8_t     bNumConfigurations; /**< Total number of configurations supported by
+                                                                *   the device.
+                                                                */
+                       } USB_StdDescriptor_Device_t;
+
+                       /** \brief Standard USB Configuration Descriptor (LUFA naming conventions).
+                        *
+                        *  Type define for a standard Configuration Descriptor header. This structure uses LUFA-specific element names
+                        *  to make each element's purpose clearer.
+                        *
+                        *  \see \ref USB_StdDescriptor_Configuration_Header_t for the version of this define with standard element names
+                        */
+                       typedef struct
+                       {
+                               USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */
+                       
+                               uint16_t    TotalConfigurationSize; /**< Size of the configuration descriptor header,
+                                                                    *   and all sub descriptors inside the configuration.
+                                                                    */
+                               uint8_t     TotalInterfaces; /**< Total number of interfaces in the configuration. */
+
+                               uint8_t     ConfigurationNumber; /**< Configuration index of the current configuration. */
+                               uint8_t     ConfigurationStrIndex; /**< Index of a string descriptor describing the configuration. */
+                               
+                               uint8_t     ConfigAttributes; /**< Configuration attributes, comprised of a mask of zero or
+                                                              *   more USB_CONFIG_ATTR_* masks.
+                                                              */
+                               
+                               uint8_t     MaxPowerConsumption; /**< Maximum power consumption of the device while in the
+                                                                 *   current configuration, calculated by the \ref USB_CONFIG_POWER_MA()
+                                                                 *   macro.
+                                                                 */
+                       } USB_Descriptor_Configuration_Header_t;
+                       
+                       /** \brief Standard USB Configuration Descriptor (USB-IF naming conventions).
+                        *
+                        *  Type define for a standard Configuration Descriptor header. This structure uses the relevant standard's given element names
+                        *  to ensure compatibility with the standard.
+                        *
+                        *  \see \ref USB_Descriptor_Device_t for the version of this define with non-standard LUFA specific element names
+                        */
+                       typedef struct
+                       {
+                               uint8_t     bLength; /**< Size of the descriptor, in bytes. */
+                               uint8_t     bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value
+                                                             *   given by the specific class.
+                                                             */
+                               uint16_t    wTotalLength; /**< Size of the configuration descriptor header,
+                                                          *   and all sub descriptors inside the configuration.
+                                                          */
+                               uint8_t     bNumInterfaces; /**< Total number of interfaces in the configuration. */
+                               uint8_t     bConfigurationValue; /**< Configuration index of the current configuration. */
+                               uint8_t     iConfiguration; /**< Index of a string descriptor describing the configuration. */
+                               uint8_t     bmAttributes; /**< Configuration attributes, comprised of a mask of zero or
+                                                          *   more USB_CONFIG_ATTR_* masks.
+                                                          */
+                               uint8_t     bMaxPower; /**< Maximum power consumption of the device while in the
+                                                       *   current configuration, calculated by the \ref USB_CONFIG_POWER_MA()
+                                                       *   macro.
+                                                       */
+                       } USB_StdDescriptor_Configuration_Header_t;
+
+                       /** \brief Standard USB Interface Descriptor (LUFA naming conventions).
+                        *
+                        *  Type define for a standard Interface Descriptor. This structure uses LUFA-specific element names
+                        *  to make each element's purpose clearer.
+                        *
+                        *  \see \ref USB_StdDescriptor_Interface_t for the version of this define with standard element names
+                        */
+                       typedef struct
+                       {
+                               USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */
+
+                               uint8_t     InterfaceNumber; /**< Index of the interface in the current configuration. */
+                               uint8_t     AlternateSetting; /**< Alternate setting for the interface number. The same
+                                                              *   interface number can have multiple alternate settings
+                                                              *   with different endpoint configurations, which can be
+                                                              *   selected by the host.
+                                                              */
+                               uint8_t     TotalEndpoints; /**< Total number of endpoints in the interface. */
+                               
+                               uint8_t     Class; /**< Interface class ID. */
+                               uint8_t     SubClass; /**< Interface subclass ID. */
+                               uint8_t     Protocol; /**< Interface protocol ID. */
+
+                               uint8_t     InterfaceStrIndex; /**< Index of the string descriptor describing the
+                                                               *   interface.
+                                                               */
+                       } USB_Descriptor_Interface_t;
+                       
+                       /** \brief Standard USB Interface Descriptor (USB-IF naming conventions).
+                        *
+                        *  Type define for a standard Interface Descriptor. This structure uses the relevant standard's given element names
+                        *  to ensure compatibility with the standard.
+                        *
+                        *  \see \ref USB_Descriptor_Interface_t for the version of this define with non-standard LUFA specific element names
+                        */
+                       typedef struct
+                       {
+                               uint8_t     bLength; /**< Size of the descriptor, in bytes. */
+                               uint8_t     bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value
+                                                             *   given by the specific class.
+                                                             */
+                               uint8_t     bInterfaceNumber; /**< Index of the interface in the current configuration. */
+                               uint8_t     bAlternateSetting; /**< Alternate setting for the interface number. The same
+                                                               *   interface number can have multiple alternate settings
+                                                               *   with different endpoint configurations, which can be
+                                                               *   selected by the host.
+                                                               */
+                               uint8_t     bNumEndpoints; /**< Total number of endpoints in the interface. */
+                               uint8_t     bInterfaceClass; /**< Interface class ID. */
+                               uint8_t     bInterfaceSubClass; /**< Interface subclass ID. */
+                               uint8_t     bInterfaceProtocol; /**< Interface protocol ID. */
+                               uint8_t     iInterface; /**< Index of the string descriptor describing the
+                                                        *   interface.
+                                                        */
+                       } USB_StdDescriptor_Interface_t;
+
+                       /** \brief Standard USB Interface Association Descriptor (LUFA naming conventions).
+                        *
+                        *  Type define for a standard Interface Association Descriptor. This structure uses LUFA-specific element names
+                        *  to make each element's purpose clearer.
+                        *
+                        *  This descriptor has been added as a supplement to the USB2.0 standard, in the ECN located at
+                        *  <a>http://www.usb.org/developers/docs/InterfaceAssociationDescriptor_ecn.pdf</a>. It allows compound
+                        *  devices with multiple interfaces related to the same function to have the multiple interfaces bound
+                        *  together at the point of enumeration, loading one generic driver for all the interfaces in the single
+                        *  function. Read the ECN for more information.
+                        *
+                        *  \see \ref USB_StdDescriptor_Interface_Association_t for the version of this define with standard element names
+                        */
+                       typedef struct
+                       {
+                               USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */
+                               
+                               uint8_t     FirstInterfaceIndex; /**< Index of the first associated interface. */
+                               uint8_t     TotalInterfaces; /** Total number of associated interfaces. */
+
+                               uint8_t     Class; /**< Interface class ID. */
+                               uint8_t     SubClass; /**< Interface subclass ID. */
+                               uint8_t     Protocol; /**< Interface protocol ID. */
+
+                               uint8_t     IADStrIndex; /**< Index of the string descriptor describing the
+                                                         *   interface association.
+                                                         */
+                       } USB_Descriptor_Interface_Association_t;
+                               
+                       /** \brief Standard USB Interface Association Descriptor (USB-IF naming conventions).
+                        *
+                        *  Type define for a standard Interface Association Descriptor. This structure uses the relevant standard's given
+                        *  element names to ensure compatibility with the standard.
+                        *
+                        *  This descriptor has been added as a supplement to the USB2.0 standard, in the ECN located at
+                        *  <a>http://www.usb.org/developers/docs/InterfaceAssociationDescriptor_ecn.pdf</a>. It allows compound
+                        *  devices with multiple interfaces related to the same function to have the multiple interfaces bound
+                        *  together at the point of enumeration, loading one generic driver for all the interfaces in the single
+                        *  function. Read the ECN for more information.
+                        *
+                        *  \see \ref USB_Descriptor_Interface_Association_t for the version of this define with non-standard LUFA specific
+                        *       element names
+                        */
+                       typedef struct
+                       {
+                               uint8_t     bLength; /**< Size of the descriptor, in bytes. */
+                               uint8_t     bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value
+                                                             *   given by the specific class.
+                                                             */
+                               uint8_t     bFirstInterface; /**< Index of the first associated interface. */
+                               uint8_t     bInterfaceCount; /** Total number of associated interfaces. */
+                               uint8_t     bFunctionClass; /**< Interface class ID. */
+                               uint8_t     bFunctionSubClass; /**< Interface subclass ID. */
+                               uint8_t     bFunctionProtocol; /**< Interface protocol ID. */
+                               uint8_t     iFunction; /**< Index of the string descriptor describing the
+                                                       *   interface association.
+                                                       */
+                       } USB_StdDescriptor_Interface_Association_t;
+
+                       /** \brief Standard USB Endpoint Descriptor (LUFA naming conventions).
+                        *
+                        *  Type define for a standard Endpoint Descriptor. This structure uses LUFA-specific element names
+                        *  to make each element's purpose clearer.
+                        *
+                        *  \see \ref USB_StdDescriptor_Endpoint_t for the version of this define with standard element names
+                        */
+                       typedef struct
+                       {
+                               USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */
+
+                               uint8_t     EndpointAddress; /**< Logical address of the endpoint within the device
+                                                             *   for the current configuration, including direction
+                                                             *   mask.
+                                                             */
+                               uint8_t     Attributes; /**< Endpoint attributes, comprised of a mask of the
+                                                        *   endpoint type (EP_TYPE_*) and attributes (ENDPOINT_ATTR_*)
+                                                        *   masks.
+                                                        */
+                               uint16_t    EndpointSize; /**< Size of the endpoint bank, in bytes. This indicates the
+                                                          *   maximum packet size that the endpoint can receive at a time.
+                                                          */
+                               
+                               uint8_t     PollingIntervalMS; /**< Polling interval in milliseconds for the endpoint
+                                                               *   if it is an INTERRUPT or ISOCHRONOUS type.
+                                                               */
+                       } USB_Descriptor_Endpoint_t;
+                               
+                       /** \brief Standard USB Endpoint Descriptor (USB-IF naming conventions).
+                        *
+                        *  Type define for a standard Endpoint Descriptor. This structure uses the relevant standard's given
+                        *  element names to ensure compatibility with the standard.
+                        *
+                        *  \see \ref USB_Descriptor_Endpoint_t for the version of this define with non-standard LUFA specific
+                        *       element names
+                        */
+                       typedef struct
+                       {
+                               uint8_t     bLength; /**< Size of the descriptor, in bytes. */
+                               uint8_t     bDescriptorType; /**< Type of the descriptor, either a value in \ref USB_DescriptorTypes_t or a value
+                                                             *   given by the specific class.
+                                                             */
+                               uint8_t     bEndpointAddress; /**< Logical address of the endpoint within the device
+                                                              *   for the current configuration, including direction
+                                                              *   mask.
+                                                              */
+                               uint8_t     bmAttributes; /**< Endpoint attributes, comprised of a mask of the
+                                                          *   endpoint type (EP_TYPE_*) and attributes (ENDPOINT_ATTR_*)
+                                                          *   masks.
+                                                          */
+                               uint16_t    wMaxPacketSize; /**< Size of the endpoint bank, in bytes. This indicates the
+                                                            *   maximum packet size that the endpoint can receive at a time.
+                                                            */
+                               uint8_t     bInterval; /**< Polling interval in milliseconds for the endpoint
+                                                       *   if it is an INTERRUPT or ISOCHRONOUS type.
+                                                       */
+                       } USB_StdDescriptor_Endpoint_t;
+
+                       /** \brief Standard USB String Descriptor (LUFA naming conventions).
+                        *
+                        *  Type define for a standard string descriptor. Unlike other standard descriptors, the length
+                        *  of the descriptor for placement in the descriptor header must be determined by the \ref USB_STRING_LEN()
+                        *  macro rather than by the size of the descriptor structure, as the length is not fixed.
+                        *
+                        *  This structure should also be used for string index 0, which contains the supported language IDs for
+                        *  the device as an array.
+                        *
+                        *  This structure uses LUFA-specific element names to make each element's purpose clearer.
+                        *
+                        *  \see \ref USB_StdDescriptor_String_t for the version of this define with standard element names
+                        */
+                       typedef struct
+                       {
+                               USB_Descriptor_Header_t Header; /**< Descriptor header, including type and size. */
+                               
+                               wchar_t UnicodeString[];  /**< String data, as unicode characters (alternatively,
+                                                          *   string language IDs). If normal ASCII characters are
+                                                          *   to be used, they must be added as an array of characters
+                                                          *   rather than a normal C string so that they are widened to
+                                                          *   Unicode size.
+                                                          *
+                                                          *   Under GCC, strings prefixed with the "L" character (before
+                                                          *   the opening string quotation mark) are considered to be
+                                                          *   Unicode strings, and may be used instead of an explicit
+                                                          *   array of ASCII characters.
+                                                          */
+                       } USB_Descriptor_String_t;
+
+                       /** \brief Standard USB String Descriptor (USB-IF naming conventions).
+                        *
+                        *  Type define for a standard string descriptor. Unlike other standard descriptors, the length
+                        *  of the descriptor for placement in the descriptor header must be determined by the \ref USB_STRING_LEN()
+                        *  macro rather than by the size of the descriptor structure, as the length is not fixed.
+                        *
+                        *  This structure should also be used for string index 0, which contains the supported language IDs for
+                        *  the device as an array.
+                        *
+                        *  This structure uses the relevant standard's given element names to ensure compatibility with the standard.
+                        *
+                        *  \see \ref USB_Descriptor_String_t for the version of this define with with non-standard LUFA specific
+                        *       element names
+                        */
+                       typedef struct
+                       {
+                                       uint8_t                 bLength; /**< Size of the descriptor, in bytes. */
+                                       uint8_t                 bDescriptorType; /**< Type of the descriptor, either a value in
+                                                                                 *   \ref USB_DescriptorTypes_t or a value
+                                                                             *   given by the specific class.
+                                                                             */
+                                       int16_t                 bString[]; /**< String data, as unicode characters (alternatively,
+                                                                       *   string language IDs). If normal ASCII characters are
+                                                                       *   to be used, they must be added as an array of characters
+                                                                       *   rather than a normal C string so that they are widened to
+                                                                       *   Unicode size.
+                                                                       *
+                                                                       *   Under GCC, strings prefixed with the "L" character (before
+                                                                       *   the opening string quotation mark) are considered to be
+                                                                       *   Unicode strings, and may be used instead of an explicit
+                                                                       *   array of ASCII characters.
+                                                                       */
+                       } USB_StdDescriptor_String_t;
+
+       /* Private Interface - For use in library only: */
+       #if !defined(__DOXYGEN__)
+               /* Macros: */
+                       #define VERSION_TENS(x)                   (int)((x) / 10)
+                       #define VERSION_ONES(x)                   (int)((x) - (10 * VERSION_TENS(x)))
+                       #define VERSION_TENTHS(x)                 (int)(((x) - (int)(x)) * 10)
+                       #define VERSION_HUNDREDTHS(x)             (int)((((x) - (int)(x)) * 100) - (10 * VERSION_TENTHS(x)))
+       #endif
+       
+       /* Disable C linkage for C++ Compilers: */
+               #if defined(__cplusplus)
+                       }
+               #endif
+       
+#endif
+
+/** @} */