FreeRTOS-Kernel/Demo/MB96350_Softune_Dice_Kit/ParTest/ParTest.c

/*
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    This file is part of the FreeRTOS distribution.

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    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 exception to the GPL is included to allow you to distribute a
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    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
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    with FreeRTOS; if not, write to the Free Software Foundation, Inc., 59
    Temple Place, Suite 330, Boston, MA  02111-1307  USA.


    ***************************************************************************
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    Please ensure to read the configuration and relevant port sections of the
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*/

/*-----------------------------------------------------------
 * 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();
	}
}