FreeRTOS-Kernel/Demo/ColdFire_MCF5282_Eclipse/RTOSDemo/ParTest/ParTest.c

/*
    FreeRTOS V7.0.2 - Copyright (C) 2011 Real Time Engineers Ltd.
	

    ***************************************************************************
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     *    for microcontrollers - completely free of charge!                  *
     *                                                                       *
     *    >>> See http://www.FreeRTOS.org/Documentation for details. <<<     *
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     *    Thank you for using FreeRTOS, and thank you for your support!      *
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    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
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    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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    License and the FreeRTOS license exception along with FreeRTOS; if not it
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    FreeRTOS WEB site.

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*/

/*
	Changes from V2.5.2

	+ All LED's are turned off to start.
*/


#include "FreeRTOS.h"
#include "task.h"
#include "partest.h"

#define partstNUM_LEDs	4

#define LED0_POS		0x01
#define LED1_POS		0x04
#define LED2_POS		0x01
#define LED3_POS		0x04

static const unsigned portCHAR ucLEDDefinitions[ partstNUM_LEDs ] = { LED0_POS, LED1_POS, LED2_POS, LED3_POS };

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

void vParTestInitialise( void )
{
	/* Set the LEDs to outputs. */
	MCF_GPIO_DDRTD |= ( LED0_POS | LED1_POS );
	MCF_GPIO_DDRTC |= ( LED2_POS | LED3_POS );

	/* Turn LEDs off. */
	MCF_GPIO_SETTC |= ( LED0_POS | LED1_POS );
	MCF_GPIO_SETTD |= ( LED2_POS | LED3_POS );
}
/*-----------------------------------------------------------*/

void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
	if( uxLED < 2 )
	{
		if( xValue != 0 )
		{
			taskENTER_CRITICAL();
				MCF_GPIO_PORTTD |= ucLEDDefinitions[ uxLED ];
			taskEXIT_CRITICAL();
		}
		else
		{
			taskENTER_CRITICAL();
				MCF_GPIO_PORTTD &= ~ucLEDDefinitions[ uxLED ];
			taskEXIT_CRITICAL();
		}
	}
	else if( uxLED < 4 )
	{
		if( xValue != 0 )
		{
			taskENTER_CRITICAL();
				MCF_GPIO_PORTTC |= ucLEDDefinitions[ uxLED ];
			taskEXIT_CRITICAL();
		}
		else
		{
			taskENTER_CRITICAL();
				MCF_GPIO_PORTTC &= ~ucLEDDefinitions[ uxLED ];
			taskEXIT_CRITICAL();
		}
	}
}
/*-----------------------------------------------------------*/

void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
	if( uxLED < 2 )
	{
		taskENTER_CRITICAL();
		{
			if( ( MCF_GPIO_PORTTD & ucLEDDefinitions[ uxLED ] ) == ( unsigned portCHAR ) 0 )
			{
				MCF_GPIO_PORTTD |= ucLEDDefinitions[ uxLED ];
			}
			else
			{
				MCF_GPIO_PORTTD &= ~ucLEDDefinitions[ uxLED ];
			}
		}
		taskEXIT_CRITICAL();
	}
	else if( uxLED < 4 )
	{
		taskENTER_CRITICAL();
		{
			if( ( MCF_GPIO_PORTTC & ucLEDDefinitions[ uxLED ] ) == ( unsigned portCHAR ) 0 )
			{
				MCF_GPIO_PORTTC |= ucLEDDefinitions[ uxLED ];
			}
			else
			{
				MCF_GPIO_PORTTC &= ~ucLEDDefinitions[ uxLED ];
			}
		}
		taskEXIT_CRITICAL();
	}
}