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/*
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             LUFA Library
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     Copyright (C) Dean Camera, 2010.
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  dean [at] fourwalledcubicle [dot] com
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      www.fourwalledcubicle.com
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*/
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/*
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  Copyright 2010  Dean Camera (dean [at] fourwalledcubicle [dot] com)
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  Permission to use, copy, modify, distribute, and sell this 
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  software and its documentation for any purpose is hereby granted
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  without fee, provided that the above copyright notice appear in 
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  all copies and that both that the copyright notice and this
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  permission notice and warranty disclaimer appear in supporting 
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  documentation, and that the name of the author not be used in 
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  advertising or publicity pertaining to distribution of the 
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  software without specific, written prior permission.
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  The author disclaim all warranties with regard to this
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  software, including all implied warranties of merchantability
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  and fitness.  In no event shall the author be liable for any
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  special, indirect or consequential damages or any damages
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  whatsoever resulting from loss of use, data or profits, whether
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  in an action of contract, negligence or other tortious action,
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  arising out of or in connection with the use or performance of
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  this software.
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*/
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/** \file
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 *
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 *  Header file for Descriptors.c.
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 */
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#ifndef _DESCRIPTORS_H_
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#define _DESCRIPTORS_H_
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        /* Includes: */
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                #include <avr/pgmspace.h>
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                #include <LUFA/Drivers/USB/USB.h>
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                #include <LUFA/Drivers/USB/Class/CDC.h>
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        /* Product-specific definitions: */
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                #define ARDUINO_UNO_PID                                0x0001
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                #define ARDUINO_MEGA2560_PID                0x0010
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        /* Macros: */
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                /** Endpoint number of the CDC device-to-host notification IN endpoint. */
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                #define CDC_NOTIFICATION_EPNUM         2
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                /** Endpoint number of the CDC device-to-host data IN endpoint. */
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                #define CDC_TX_EPNUM                   3        
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                /** Endpoint number of the CDC host-to-device data OUT endpoint. */
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                #define CDC_RX_EPNUM                   4        
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                /** Size in bytes of the CDC device-to-host notification IN endpoint. */
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                #define CDC_NOTIFICATION_EPSIZE        8
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                /** Size in bytes of the CDC data IN and OUT endpoints. */
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                #define CDC_TXRX_EPSIZE                64        
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        /* Type Defines: */
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                /** Type define for the device configuration descriptor structure. This must be defined in the
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                 *  application code, as the configuration descriptor contains several sub-descriptors which
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                 *  vary between devices, and which describe the device's usage to the host.
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                 */
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                typedef struct
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                {
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                        USB_Descriptor_Configuration_Header_t    Config;
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                        USB_Descriptor_Interface_t               CDC_CCI_Interface;
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                        CDC_FUNCTIONAL_DESCRIPTOR(2)             CDC_Functional_IntHeader;
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                        CDC_FUNCTIONAL_DESCRIPTOR(1)             CDC_Functional_AbstractControlManagement;
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                        CDC_FUNCTIONAL_DESCRIPTOR(2)             CDC_Functional_Union;
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                        USB_Descriptor_Endpoint_t                CDC_NotificationEndpoint;
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                        USB_Descriptor_Interface_t               CDC_DCI_Interface;
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                        USB_Descriptor_Endpoint_t                CDC_DataOutEndpoint;
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                        USB_Descriptor_Endpoint_t                CDC_DataInEndpoint;
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                } USB_Descriptor_Configuration_t;
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        /* Function Prototypes: */
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                uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
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                                                    const uint8_t wIndex,
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                                                    void** const DescriptorAddress) ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);
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#endif