usb_descriptors.h

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/*
             LUFA Library
     Copyright (C) Dean Camera, 2012.

  dean [at] fourwalledcubicle [dot] com
           www.lufa-lib.org
*/

/*
  Copyright 2012  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.
*/


#ifndef _DESCRIPTORS_H_
#define _DESCRIPTORS_H_

    /* Includes: */
        #include <avr/pgmspace.h>

        #include "lufa/LUFA/Drivers/USB/USB.h"

    /* Macros: */
        #define CDC_NOTIFICATION_EPNUM         2

        #define CDC_TX_EPNUM                   3

        #define CDC_RX_EPNUM                   4

        #define CDC_NOTIFICATION_EPSIZE        8

        #define CDC_TXRX_EPSIZE                16

    /* Type Defines: */
        typedef struct
        {
            USB_Descriptor_Configuration_Header_t    Config;

            // CDC Control Interface
            USB_Descriptor_Interface_t               CDC_CCI_Interface;
            USB_CDC_Descriptor_FunctionalHeader_t    CDC_Functional_Header;
            USB_CDC_Descriptor_FunctionalACM_t       CDC_Functional_ACM;
            USB_CDC_Descriptor_FunctionalUnion_t     CDC_Functional_Union;
            USB_Descriptor_Endpoint_t                CDC_NotificationEndpoint;

            // CDC Data Interface
            USB_Descriptor_Interface_t               CDC_DCI_Interface;
            USB_Descriptor_Endpoint_t                CDC_DataOutEndpoint;
            USB_Descriptor_Endpoint_t                CDC_DataInEndpoint;
        } USB_Descriptor_Configuration_t;

    /* Function Prototypes: */
        uint16_t CALLBACK_USB_GetDescriptor(const uint16_t wValue,
                                            const uint16_t wIndex,
                                            const void** const DescriptorAddress)
                                            ATTR_WARN_UNUSED_RESULT ATTR_NON_NULL_PTR_ARG(3);

#endif