/*
	FreeRTOS.org V5.2.0 - Copyright (C) 2003-2009 Richard Barry.

	This file is part of the FreeRTOS.org distribution.

	FreeRTOS.org 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.

	FreeRTOS.org 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 along 
	with FreeRTOS.org; if not, write to the Free Software Foundation, Inc., 59 
	Temple Place, Suite 330, Boston, MA  02111-1307  USA.

	A special exception to the GPL is included to allow you to distribute a 
	combined work that includes FreeRTOS.org without being obliged to provide
	the source code for any proprietary components.  See the licensing section
	of http://www.FreeRTOS.org for full details.


	***************************************************************************
	*                                                                         *
	* Get the FreeRTOS eBook!  See http://www.FreeRTOS.org/Documentation      *
	*                                                                         *
	* This is a concise, step by step, 'hands on' guide that describes both   *
	* general multitasking concepts and FreeRTOS specifics. It presents and   *
	* explains numerous examples that are written using the FreeRTOS API.     *
	* Full source code for all the examples is provided in an accompanying    *
	* .zip file.                                                              *
	*                                                                         *
	***************************************************************************

	1 tab == 4 spaces!

	Please ensure to read the configuration and relevant port sections of the
	online documentation.

	http://www.FreeRTOS.org - Documentation, latest information, license and
	contact details.

	http://www.SafeRTOS.com - A version that is certified for use in safety
	critical systems.

	http://www.OpenRTOS.com - Commercial support, development, porting,
	licensing and training services.
*/

/* 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 portLONG ) 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 portLONG ) 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 portLONG ) 0x0f )
#define usbDATA_INC							( ( portCHAR ) 5 )
#define usbEXPECTED_NUMBER_OF_BYTES			( ( unsigned portLONG ) 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 portLONG * ) pulValueNow ) ) |= ( unsigned portLONG ) 0x4f;		\
																						\
	/* Clear the FORCE_STALL and TXPKTRDY bits */										\
	/* so the write has no effect. */													\
	( * ( ( unsigned portLONG * ) pulValueNow ) ) &= ( unsigned portLONG ) 0xffffffcf;	\
																						\
	/* Set whichever bit we want set. */												\
	( * ( ( unsigned portLONG * ) 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 portLONG * ) pulValueNow ) ) |= ( unsigned portLONG ) 0x4f;		\
																						\
	/* Clear the FORCE_STALL and TXPKTRDY bits */										\
	/* so the write has no effect. */													\
	( * ( ( unsigned portLONG * ) pulValueNow ) ) &= ( unsigned portLONG ) 0xffffffcf;	\
																						\
	/* Clear whichever bit we want clear. */											\
	( * ( ( unsigned portLONG * ) pulValueNow ) ) &= ( ~ulBit );						\
}