/*
    FreeRTOS V7.2.0 - Copyright (C) 2012 Real Time Engineers Ltd.
	

    ***************************************************************************
     *                                                                       *
     *    FreeRTOS tutorial books are available in pdf and paperback.        *
     *    Complete, revised, and edited pdf reference manuals are also       *
     *    available.                                                         *
     *                                                                       *
     *    Purchasing FreeRTOS documentation will not only help you, by       *
     *    ensuring you get running as quickly as possible and with an        *
     *    in-depth knowledge of how to use FreeRTOS, it will also help       *
     *    the FreeRTOS project to continue with its mission of providing     *
     *    professional grade, cross platform, de facto standard solutions    *
     *    for microcontrollers - completely free of charge!                  *
     *                                                                       *
     *    >>> See http://www.FreeRTOS.org/Documentation for details. <<<     *
     *                                                                       *
     *    Thank you for using FreeRTOS, and thank you for your support!      *
     *                                                                       *
    ***************************************************************************


    This file is part of the FreeRTOS distribution.

    FreeRTOS is free software; you can redistribute it and/or modify it under
    the terms of the GNU General Public License (version 2) as published by the
    Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
    >>>NOTE<<< The modification to the GPL is included to allow you to
    distribute a combined work that includes FreeRTOS without being obliged to
    provide the source code for proprietary components outside of the FreeRTOS
    kernel.  FreeRTOS is distributed in the hope that it will be useful, but
    WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
    or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
    more details. You should have received a copy of the GNU General Public
    License and the FreeRTOS license exception along with FreeRTOS; if not it
    can be viewed here: http://www.freertos.org/a00114.html and also obtained
    by writing to Richard Barry, contact details for whom are available on the
    FreeRTOS WEB site.

    1 tab == 4 spaces!
    
    ***************************************************************************
     *                                                                       *
     *    Having a problem?  Start by reading the FAQ "My application does   *
     *    not run, what could be wrong?                                      *
     *                                                                       *
     *    http://www.FreeRTOS.org/FAQHelp.html                               *
     *                                                                       *
    ***************************************************************************

    
    http://www.FreeRTOS.org - Documentation, training, latest information, 
    license and contact details.
    
    http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
    including FreeRTOS+Trace - an indispensable productivity tool.

    Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell 
    the code with commercial support, indemnification, and middleware, under 
    the OpenRTOS brand: http://www.OpenRTOS.com.  High Integrity Systems also
    provide a safety engineered and independently SIL3 certified version under 
    the SafeRTOS brand: http://www.SafeRTOS.com.
*/

#ifndef USB_CDC_H
#define USB_CDC_H

#include "usb.h"

#define USB_CDC_QUEUE_SIZE    200

/* Structure used to take a snapshot of the USB status from within the ISR. */
typedef struct X_ISR_STATUS
{
	unsigned long ulISR;
	unsigned long ulCSR0;
	unsigned char ucFifoData[ 8 ];
} xISRStatus;

/* Structure used to hold the received requests. */
typedef struct 
{
	unsigned char ucReqType;
	unsigned char ucRequest;
	unsigned short usValue;
	unsigned short usIndex;
	unsigned short usLength;
} xUSB_REQUEST;

typedef enum
{
	eNOTHING,
	eJUST_RESET,
	eJUST_GOT_CONFIG,
	eJUST_GOT_ADDRESS,
	eSENDING_EVEN_DESCRIPTOR,
	eREADY_TO_SEND
} eDRIVER_STATE;

/* Structure used to control the data being sent to the host. */
typedef struct
{
	unsigned char ucBuffer[ usbMAX_CONTROL_MESSAGE_SIZE ];
	unsigned long ulNextCharIndex;
	unsigned long ulTotalDataLength;
} xCONTROL_MESSAGE;

/*-----------------------------------------------------------*/
void vUSBCDCTask( void *pvParameters );

/* Send cByte down the USB port.  Characters are simply buffered and not
sent unless the port is connected. */
void vUSBSendByte( char cByte );


#endif