/*
    FreeRTOS V7.5.3 - Copyright (C) 2013 Real Time Engineers Ltd. 
    All rights reserved

    VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.

    ***************************************************************************
     *                                                                       *
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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 provide
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    >>! kernel.

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    link: http://www.freertos.org/a00114.html

    1 tab == 4 spaces!

    ***************************************************************************
     *                                                                       *
     *    Having a problem?  Start by reading the FAQ "My application does   *
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    ***************************************************************************

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    1 tab == 4 spaces!
*/

/*-----------------------------------------------------------
 * Simple GPIO (parallel port) IO routines.
 *-----------------------------------------------------------*/

/* Kernel includes. */
#include "FreeRTOS.h"
#include "task.h"

/* Standard demo include. */
#include "partest.h"

/* Freescale includes. */
#include "common.h"

/* Only the LEDs on one of the two seven segment displays are used. */
#define partstMAX_LEDS		4

/* The bits used to control the LEDs on the TWR-K60N512. */
const unsigned long ulLEDs[ partstMAX_LEDS ] = { ( 1UL << 10UL ), ( 1UL << 29UL ), ( 1UL << 28UL ), ( 1UL << 11UL ) };

/*-----------------------------------------------------------*/

void vParTestInitialise( void )
{
	/* Set PTA10, PTA11, PTA28, and PTA29 (connected to LED's) for GPIO
	functionality. */
	PORTA_PCR10 = ( 0 | PORT_PCR_MUX( 1 ) );
	PORTA_PCR11 = ( 0 | PORT_PCR_MUX( 1 ) );
	PORTA_PCR28 = ( 0 | PORT_PCR_MUX( 1 ) );
	PORTA_PCR29 = ( 0 | PORT_PCR_MUX( 1 ) );
	
	/* Change PTA10, PTA11, PTA28, PTA29 to outputs. */
	GPIOA_PDDR=GPIO_PDDR_PDD( ulLEDs[ 0 ] | ulLEDs[ 1 ] | ulLEDs[ 2 ] | ulLEDs[ 3 ] );	

	/* Start with LEDs off. */
	GPIOA_PTOR = ~0U;	
}
/*-----------------------------------------------------------*/

void vParTestSetLED( unsigned long ulLED, signed portBASE_TYPE xValue )
{
	if( ulLED < partstMAX_LEDS )
	{
		if( xValue == pdTRUE )
		{
			GPIOA_PCOR = ulLEDs[ ulLED ];
		}
		else
		{
			GPIOA_PSOR = ulLEDs[ ulLED ];
		}
	}
}
/*-----------------------------------------------------------*/

void vParTestToggleLED( unsigned long ulLED )
{
	if( ulLED < partstMAX_LEDS )
	{
		GPIOA_PTOR = ulLEDs[ ulLED ];
	}
}
/*-----------------------------------------------------------*/

long lParTestGetLEDState( unsigned long ulLED )
{
long lReturn = pdFALSE;

	if( ulLED < partstMAX_LEDS )
	{
		lReturn = GPIOA_PDOR & ulLEDs[ ulLED ];
		
		if( lReturn == 0 )
		{
			lReturn = pdTRUE;
		}
		else
		{
			lReturn = pdFALSE;
		}
	}

	return lReturn;
}