/*
    FreeRTOS V8.2.1 - Copyright (C) 2015 Real Time Engineers Ltd.
    All rights reserved

    VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.

    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 the source code for proprietary components     !<<
    >>!   outside of the FreeRTOS kernel.                                   !<<
    ***************************************************************************

    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.  Full license text is available on the following
    link: http://www.freertos.org/a00114.html

    ***************************************************************************
     *                                                                       *
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    ***************************************************************************

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    1 tab == 4 spaces!
*/

/*-----------------------------------------------------------
 * Simple IO routines to control the LEDs.
 *-----------------------------------------------------------*/

/* Scheduler includes. */
#include "FreeRTOS.h"
#include "task.h"

/* Demo includes. */
#include "partest.h"

/* Library includes. */
#include <board.h>
#include <gpio.h>

/* The number of LEDs available to the user on the evaluation kit. */
#define partestNUM_LEDS			( 3UL )

/* Definitions not included in sam4s_ek.h. */
#define LED2_GPIO 				( PIO_PC20_IDX )

/* One of the LEDs is wired in the inverse to the others as it is also used as
the power LED. */
#define partstsINVERTED_LED		( 0UL )

/* The index of the pins to which the LEDs are connected.  The ordering of the
LEDs in this array is intentional and matches the order they appear on the 
hardware. */
static const uint32_t ulLED[] = { LED2_GPIO, LED0_GPIO, LED1_GPIO };

/*-----------------------------------------------------------*/

void vParTestInitialise( void )
{
unsigned long ul;

	for( ul = 0; ul < partestNUM_LEDS; ul++ )
	{
		/* Configure the LED, before ensuring it starts in the off state. */
		gpio_configure_pin( ulLED[ ul ],  ( PIO_OUTPUT_1 | PIO_DEFAULT ) );
		vParTestSetLED( ul, pdFALSE );
	}
}
/*-----------------------------------------------------------*/

void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{	
	if( uxLED < partestNUM_LEDS )
	{
		if( uxLED == partstsINVERTED_LED )
		{
			xValue = !xValue;					
		}
		
		if( xValue != pdFALSE )
		{
			/* Turn the LED on. */
			taskENTER_CRITICAL();
			{
				gpio_set_pin_low( ulLED[ uxLED ]);
			}
			taskEXIT_CRITICAL();
		}
		else
		{
			/* Turn the LED off. */
			taskENTER_CRITICAL();
			{
				gpio_set_pin_high( ulLED[ uxLED ]);
			}
			taskEXIT_CRITICAL();
		}
	}
}
/*-----------------------------------------------------------*/

void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
	if( uxLED < partestNUM_LEDS )
	{
		taskENTER_CRITICAL();
		{			
			gpio_toggle_pin( ulLED[ uxLED ] );
		}
		taskEXIT_CRITICAL();		
	}
}