/*
    FreeRTOS V7.4.0 - Copyright (C) 2013 Real Time Engineers Ltd.

    FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME.  PLEASE VISIT
    http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.

    ***************************************************************************
     *                                                                       *
     *    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 itcan be
    viewed here: http://www.freertos.org/a00114.html and also obtained by
    writing to Real Time Engineers Ltd., 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, books, training, latest versions, 
    license and Real Time Engineers Ltd. contact details.

    http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
    including FreeRTOS+Trace - an indispensable productivity tool, and our new
    fully thread aware and reentrant UDP/IP stack.

    http://www.OpenRTOS.com - 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.SafeRTOS.com - High Integrity Systems also provide a safety 
    engineered and independently SIL3 certified version for use in safety and 
    mission critical applications that require provable dependability.
*/

/* Descriptor type definitions. */
#define usbDESCRIPTOR_TYPE_DEVICE			( 0x01 )
#define usbDESCRIPTOR_TYPE_CONFIGURATION	( 0x02 )
#define usbDESCRIPTOR_TYPE_STRING			( 0x03 )

/* USB request type definitions. */
#define usbGET_REPORT_REQUEST				( 0x01 )
#define usbGET_IDLE_REQUEST					( 0x02 )
#define usbGET_PROTOCOL_REQUEST				( 0x03 )
#define usbSET_REPORT_REQUEST				( 0x09 )
#define usbSET_IDLE_REQUEST					( 0x0A )
#define usbSET_PROTOCOL_REQUEST				( 0x0B )
#define usbGET_CONFIGURATION_REQUEST		( 0x08 )
#define usbGET_STATUS_REQUEST				( 0x00 )
#define usbCLEAR_FEATURE_REQUEST			( 0x01 )
#define usbSET_FEATURE_REQUEST				( 0x03 )
#define usbSET_ADDRESS_REQUEST				( 0x05 )
#define usbGET_DESCRIPTOR_REQUEST			( 0x06 )
#define usbSET_CONFIGURATION_REQUEST		( 0x09 )
#define usbGET_INTERFACE_REQUEST			( 0x0A )
#define usbSET_INTERFACE_REQUEST			( 0x0B )

/* ACM Requests */
#define usbSEND_ENCAPSULATED_COMMAND		( 0x00 )
#define usbGET_ENCAPSULATED_RESPONSE		( 0x01 )
#define usbSET_LINE_CODING					( 0x20 )
#define usbGET_LINE_CODING					( 0x21 )
#define usbSET_CONTROL_LINE_STATE			( 0x22 )

/* Misc USB definitions. */
#define usbDEVICE_CLASS_VENDOR_SPECIFIC		( 0xFF )
#define usbBUS_POWERED						( 0x80 )
#define usbHID_REPORT_DESCRIPTOR			( 0x22 )
#define AT91C_UDP_TRANSCEIVER_ENABLE		( *( ( unsigned long * ) 0xfffb0074 ) )

/* Index to the various string. */
#define usbLANGUAGE_STRING					( 0 )
#define usbMANUFACTURER_STRING				( 1 )
#define usbPRODUCT_STRING					( 2 )
#define usbCONFIGURATION_STRING				( 3 )
#define usbINTERFACE_STRING					( 4 )

/* Defines fields of standard SETUP request.  Now in normal order. */
#define usbREQUEST_TYPE_INDEX				( 0 )
#define usbREQUEST_INDEX					( 1 )
#define usbVALUE_HIGH_BYTE					( 3 )
#define usbVALUE_LOW_BYTE					( 2 )
#define usbINDEX_HIGH_BYTE					( 5 )
#define usbINDEX_LOW_BYTE					( 4 )
#define usbLENGTH_HIGH_BYTE					( 7 )
#define usbLENGTH_LOW_BYTE					( 6 )

/* Misc application definitions. */
#define usbINTERRUPT_PRIORITY				( 3 )
#define usbQUEUE_LENGTH						( 0x3 )	/* Must have all bits set! */
#define usbFIFO_LENGTH						( ( unsigned long ) 8 )
#define usbEND_POINT_0						( 0 )
#define usbEND_POINT_1						( 1 )
#define usbEND_POINT_2						( 2 )
#define usbEND_POINT_3						( 3 )
#define usbMAX_CONTROL_MESSAGE_SIZE			( 128 )
#define usbRX_COUNT_MASK					( ( unsigned long ) 0x7ff )
#define AT91C_UDP_STALLSENT					AT91C_UDP_ISOERROR
#define usbSHORTEST_DELAY					( ( portTickType ) 1 )
#define usbINIT_DELAY						( ( portTickType ) 1000 / portTICK_RATE_MS )
#define usbSHORT_DELAY						( ( portTickType ) 50 / portTICK_RATE_MS )
#define usbEND_POINT_RESET_MASK				( ( unsigned long ) 0x0f )
#define usbDATA_INC							( ( char ) 5 )
#define usbEXPECTED_NUMBER_OF_BYTES			( ( unsigned long ) 8 )

/* Control request types. */
#define usbSTANDARD_DEVICE_REQUEST			( 0 )
#define usbSTANDARD_INTERFACE_REQUEST		( 1 )
#define usbSTANDARD_END_POINT_REQUEST		( 2 )
#define usbCLASS_INTERFACE_REQUEST			( 5 )


/* Macros to manipulate the control and status registers.  These registers 
cannot be accessed using a direct read modify write operation outside of the 
ISR as some bits are left unchanged by writing with a 0, and some are left 
unchanged by writing with a 1. */


#define usbCSR_SET_BIT( pulValueNow, ulBit )											\
{																						\
	/* Set TXCOMP, RX_DATA_BK0, RXSETUP, */												\
	/* STALLSENT and RX_DATA_BK1 to 1 so the */											\
	/* write has no effect. */															\
	( * ( ( unsigned long * ) pulValueNow ) ) |= ( unsigned long ) 0x4f;		\
																						\
	/* Clear the FORCE_STALL and TXPKTRDY bits */										\
	/* so the write has no effect. */													\
	( * ( ( unsigned long * ) pulValueNow ) ) &= ( unsigned long ) 0xffffffcf;	\
																						\
	/* Set whichever bit we want set. */												\
	( * ( ( unsigned long * ) pulValueNow ) ) |= ( ulBit );							\
}

#define usbCSR_CLEAR_BIT( pulValueNow, ulBit )											\
{																						\
	/* Set TXCOMP, RX_DATA_BK0, RXSETUP, */												\
	/* STALLSENT and RX_DATA_BK1 to 1 so the */											\
	/* write has no effect. */															\
	( * ( ( unsigned long * ) pulValueNow ) ) |= ( unsigned long ) 0x4f;		\
																						\
	/* Clear the FORCE_STALL and TXPKTRDY bits */										\
	/* so the write has no effect. */													\
	( * ( ( unsigned long * ) pulValueNow ) ) &= ( unsigned long ) 0xffffffcf;	\
																						\
	/* Clear whichever bit we want clear. */											\
	( * ( ( unsigned long * ) pulValueNow ) ) &= ( ~ulBit );						\
}