FreeRTOS-Kernel/Demo/CORTEX_LPC1768_IAR/ParTest.c

/*
    FreeRTOS V7.0.1 - Copyright (C) 2011 Real Time Engineers Ltd.
	

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*/

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

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

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

#define partstLED1_OUTPUT		( 1 << 25 )
#define partstLED2_OUTPUT		( 1 << 4 )

void vParTestInitialise( void )
{
	/* Set LEDs to output. */
    GPIO1->FIODIR = partstLED1_OUTPUT;
	GPIO0->FIODIR = partstLED2_OUTPUT;

	/* Start with LED off. */
    GPIO1->FIOSET = partstLED1_OUTPUT;
	GPIO0->FIOSET = partstLED2_OUTPUT;
}
/*-----------------------------------------------------------*/

void vParTestSetLED( unsigned long ulLEDIn, signed long xValue )
{
	/* Used to set and clear LEDs on FIO2. */

	if( ulLEDIn == 0 )
	{
		/* Set of clear the output. */
		if( xValue )
		{
			GPIO1->FIOCLR = partstLED1_OUTPUT;
		}
		else
		{
			GPIO1->FIOSET = partstLED1_OUTPUT;
		}
	}
	else if( ulLEDIn == 1 )
	{
		/* Set of clear the output. */
		if( xValue )
		{
			GPIO0->FIOCLR = partstLED2_OUTPUT;
		}
		else
		{
			GPIO0->FIOSET = partstLED2_OUTPUT;
		}
	}	
}
/*-----------------------------------------------------------*/

void vParTestToggleLED( unsigned long ulLEDIn )
{
unsigned long ulCurrentState;

	/* Used to toggle LEDs on FIO2. */

	if( ulLEDIn == 0 )
	{
		/* If this bit is already set, clear it, and visa versa. */
		ulCurrentState = GPIO1->FIOPIN;
		if( ulCurrentState & partstLED1_OUTPUT )
		{
			GPIO1->FIOCLR = partstLED1_OUTPUT;
		}
		else
		{
			GPIO1->FIOSET = partstLED1_OUTPUT;
		}
	}
	else if( ulLEDIn == 1 )
	{
		/* If this bit is already set, clear it, and visa versa. */
		ulCurrentState = GPIO1->FIOPIN;
		if( ulCurrentState & partstLED1_OUTPUT )
		{
			GPIO0->FIOCLR = partstLED2_OUTPUT;
		}
		else
		{
			GPIO0->FIOSET = partstLED2_OUTPUT;
		}
	}	
}
/*-----------------------------------------------------------*/

long lParTestGetLEDState( void )
{
	if( ( GPIO0->FIOPIN & partstLED2_OUTPUT ) == 0 )
	{
		return pdFALSE;
	}
	else
	{
		return pdTRUE;
	}
}
/*-----------------------------------------------------------*/

void vParTestSetLEDState( long lState )
{
	/* Used to set and clear the LEDs on FIO1. */
	if( lState != pdFALSE )
	{
		GPIO0->FIOCLR = partstLED2_OUTPUT;
	}
	else
	{
		GPIO0->FIOSET = partstLED2_OUTPUT;
	}
}
/*-----------------------------------------------------------*/