/*
	FreeRTOS.org V5.1.2 - 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 as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.

	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 can be applied should you wish 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 of how and when the exception
	can be applied.

    ***************************************************************************
    ***************************************************************************
    *                                                                         *
    * 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.                                                              *
    *                                                                         *
    ***************************************************************************
    ***************************************************************************

	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.
*/

/*-----------------------------------------------------------
 * Simple parallel port IO routines.
 *-----------------------------------------------------------*/

/* FreeRTOS includes. */
#include "FreeRTOS.h"
#include "task.h"

/* Demo includes. */
#include "partest.h"

#define partstTOTAL_NUM_LEDs		16
#define partstNUM_LEDs_PER_DISPLAY	8

volatile unsigned char *pucDisplayOutput[ 2 ] = { ( unsigned portCHAR * ) 3, ( unsigned portCHAR * ) 5 };

void vParTestInitialise( void )
{
	/* In this case all the initialisation is performed in prvSetupHardware()
	in main.c. */	
}
/*-----------------------------------------------------------*/

void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
unsigned portBASE_TYPE uxLEDMask = 0x01;

	if( uxLED < partstNUM_LEDs_PER_DISPLAY )
	{
		uxLEDMask <<= uxLED;
		
		taskENTER_CRITICAL();
		{
			if( xValue )
			{
				*pucDisplayOutput[ 0 ] &= ~uxLEDMask;
			}
			else
			{
				*pucDisplayOutput[ 0 ] |= uxLEDMask;				
			}
		}
		taskEXIT_CRITICAL();
	}
	else if( uxLED < partstTOTAL_NUM_LEDs )
	{
		uxLED -= partstNUM_LEDs_PER_DISPLAY;

		uxLEDMask <<= uxLED;
		
		taskENTER_CRITICAL();
		{
			if( xValue )
			{
				*pucDisplayOutput[ 1 ] &= ~uxLEDMask;
			}
			else
			{
				*pucDisplayOutput[ 1 ] |= uxLEDMask;				
			}
		}
		taskEXIT_CRITICAL();
	}
}
/*-----------------------------------------------------------*/

void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
unsigned portBASE_TYPE uxLEDMask = 0x01;

	if( uxLED < partstNUM_LEDs_PER_DISPLAY )
	{
		uxLEDMask <<= uxLED;
		
		taskENTER_CRITICAL();
		{
			if( *pucDisplayOutput[ 0 ] & uxLEDMask )
			{
				*pucDisplayOutput[ 0 ] &= ~uxLEDMask;
			}
			else
			{
				*pucDisplayOutput[ 0 ] |= uxLEDMask;
			}
		}
		taskEXIT_CRITICAL();
	}
	else if( uxLED < partstTOTAL_NUM_LEDs )
	{
		uxLED -= partstNUM_LEDs_PER_DISPLAY;

		uxLEDMask <<= uxLED;
		
		taskENTER_CRITICAL();
		{
			if( *pucDisplayOutput[ 1 ] & uxLEDMask )
			{
				*pucDisplayOutput[ 1 ] &= ~uxLEDMask;
			}
			else
			{
				*pucDisplayOutput[ 1 ] |= uxLEDMask;
			}
		}
		taskEXIT_CRITICAL();
	}
}