FreeRTOS/Demo/CORTEX_LPC1768_GCC_RedSuite/src/ParTest.c

/*
 * FreeRTOS Kernel V10.1.0
 * Copyright (C) 2017 Amazon.com, Inc. or its affiliates.  All Rights Reserved.
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy of
 * this software and associated documentation files (the "Software"), to deal in
 * the Software without restriction, including without limitation the rights to
 * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
 * the Software, and to permit persons to whom the Software is furnished to do so,
 * subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in all
 * copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
 * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
 * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
 *
 * http://www.FreeRTOS.org
 * http://aws.amazon.com/freertos
 *
 * 1 tab == 4 spaces!
 */

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

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

#define LED_2 ( 1UL << 24UL )
#define LED_3 ( 1UL << 25UL )
#define LED_4 ( 1UL << 28UL )
#define LED_5 ( 1UL << 29UL )

#define partstFIO1_BITS			( LED_2 | LED_3 | LED_4 | LED_5 )
#define partstNUM_LEDS			( 4 )

static unsigned long ulLEDs[] = { LED_3, LED_2, LED_5, LED_4 };

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

void vParTestInitialise( void )
{
	/* LEDs on port 1. */
	LPC_GPIO1->FIODIR  = partstFIO1_BITS;
	
	/* Start will all LEDs off. */
	LPC_GPIO1->FIOCLR = partstFIO1_BITS;
}
/*-----------------------------------------------------------*/

void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
	if( uxLED < partstNUM_LEDS )
	{
		/* Set of clear the output. */
		if( xValue )
		{
			LPC_GPIO1->FIOCLR = ulLEDs[ uxLED ];
		}
		else
		{
			LPC_GPIO1->FIOSET = ulLEDs[ uxLED ];
		}
	}
}
/*-----------------------------------------------------------*/

void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
	if( uxLED < partstNUM_LEDS )
	{
		if( LPC_GPIO1->FIOPIN & ulLEDs[ uxLED ] )
		{
			LPC_GPIO1->FIOCLR = ulLEDs[ uxLED ];
		}
		else
		{
			LPC_GPIO1->FIOSET = ulLEDs[ uxLED ];
		}
	}
}
/*-----------------------------------------------------------*/

unsigned portBASE_TYPE uxParTextGetLED( unsigned portBASE_TYPE uxLED )
{
	if( uxLED < partstNUM_LEDS )
	{
		return ( LPC_GPIO1->FIOPIN & ulLEDs[ uxLED ] );
	}
	else
	{
		return 0;
	}
}
/*-----------------------------------------------------------*/