/* ----------------------------------------------------------------------------
 *         ATMEL Microcontroller Software Support 
 * ----------------------------------------------------------------------------
 * Copyright (c) 2008, Atmel Corporation
 *
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *
 * - Redistributions of source code must retain the above copyright notice,
 * this list of conditions and the disclaimer below.
 *
 * Atmel's name may not be used to endorse or promote products derived from
 * this software without specific prior written permission.
 *
 * DISCLAIMER: THIS SOFTWARE IS PROVIDED BY ATMEL "AS IS" AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT ARE
 * DISCLAIMED. IN NO EVENT SHALL ATMEL BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA,
 * OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 * ----------------------------------------------------------------------------
 */

/**
 * \file
 *
 * \section Purpose
 *
 *   Definitions and methods for USB composite device implement.
 * 
 * \section Usage
 * 
 * -# Initialize USB function specified driver ( for MSD currently )
 *  - MSDDFunctionDriver_Initialize()
 *
 * -# Initialize USB composite driver and USB driver
 *  - CDCHIDDDriver_Initialize()
 *
 * -# Handle and dispach USB requests
 *  - CDCHIDDDriver_RequestHandler()
 *
 * -# Try starting a remote wake-up sequence
 *  - CDCHIDDDriver_RemoteWakeUp()
 */

#ifndef CDCHIDDDRIVER_H
#define CDCHIDDDRIVER_H
/** \addtogroup usbd_cdc_hid
 *@{
 */

/*---------------------------------------------------------------------------
 *         Headers
 *---------------------------------------------------------------------------*/

#include <USBRequests.h>
#include <CDCDescriptors.h>
#include <HIDDescriptors.h>
#include <USBD.h>
#include <USBDDriver.h>

/*---------------------------------------------------------------------------
 *         Definitions
 *---------------------------------------------------------------------------*/

/** \addtogroup usbd_cdc_hid_desc USB CDC(Serial) + HID(Kbd) Descriptors define
 *      @{
 */
/** Number of interfaces of the device */
#define CDCHIDDDriverDescriptors_NUMINTERFACE       3
/** Number of the CDC interface. */
#define CDCHIDDDriverDescriptors_CDC_INTERFACE      0
/** Number of the HID interface. */
#define CDCHIDDDriverDescriptors_HID_INTERFACE      2
/**     @}*/

/*---------------------------------------------------------------------------
 *         Types
 *---------------------------------------------------------------------------*/

#ifdef __ICCARM__          /* IAR */
#pragma pack(1)            /* IAR */
#define __attribute__(...) /* IAR */
#endif                     /* IAR */

/**
 * \typedef CdcHidDriverConfigurationDescriptors
 * \brief Configuration descriptor list for a device implementing a
 *        composite driver.
 */
typedef struct _CdcHidDriverConfigurationDescriptors {

    /** Standard configuration descriptor. */
    USBConfigurationDescriptor configuration;

    /* --- CDC 0 */
    /** IAD 0 */
    USBInterfaceAssociationDescriptor cdcIAD0;
    /** Communication interface descriptor */
    USBInterfaceDescriptor cdcCommunication0;
    /** CDC header functional descriptor. */
    CDCHeaderDescriptor cdcHeader0;
    /** CDC call management functional descriptor. */
    CDCCallManagementDescriptor cdcCallManagement0;
    /** CDC abstract control management functional descriptor. */
    CDCAbstractControlManagementDescriptor cdcAbstractControlManagement0;
    /** CDC union functional descriptor (with one slave interface). */
    CDCUnionDescriptor cdcUnion0;
    /** Notification endpoint descriptor. */
    USBEndpointDescriptor cdcNotification0;
    /** Data interface descriptor. */
    USBInterfaceDescriptor cdcData0;
    /** Data OUT endpoint descriptor. */
    USBEndpointDescriptor cdcDataOut0;
    /** Data IN endpoint descriptor. */
    USBEndpointDescriptor cdcDataIn0;

    /* --- HID */
    USBInterfaceDescriptor hidInterface;
    HIDDescriptor1 hid;
    USBEndpointDescriptor hidInterruptIn;
    USBEndpointDescriptor hidInterruptOut;

} __attribute__ ((packed)) CdcHidDriverConfigurationDescriptors;

#ifdef __ICCARM__          /* IAR */
#pragma pack()             /* IAR */
#endif                     /* IAR */

/*---------------------------------------------------------------------------
 *         Exported functions
 *---------------------------------------------------------------------------*/

/* -CDCHID */
extern void CDCHIDDDriver_Initialize(
    const USBDDriverDescriptors * pDescriptors);

extern void CDCHIDDDriver_ConfigurationChangedHandler(uint8_t cfgnum);

extern void CDCHIDDDriver_RequestHandler(const USBGenericRequest *request);

extern void CDCHIDDDriver_RemoteWakeUp(void);

/**@}*/
#endif //#ifndef CDCHIDDDRIVER_H