Demo/ARM7_LPC2368_Rowley/ParTest/ParTest.c

/*
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*/

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

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

#define partstFIRST_IO			( ( unsigned portLONG ) 0x01 )
#define partstNUM_LEDS			( 8 )
#define partstALL_OUTPUTS_OFF	( ( unsigned portLONG ) 0xff )

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

void vParTestInitialise( void )
{
	PINSEL10 = 0;
	FIO2DIR  = 0x000000FF;
	FIO2MASK = 0x00000000;
	FIO2CLR  = 0xFF;
	SCS |= (1<<0); //fast mode for port 0 and 1

    FIO2CLR = partstALL_OUTPUTS_OFF;
}
/*-----------------------------------------------------------*/

void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
unsigned portLONG ulLED = partstFIRST_IO;

	if( uxLED < partstNUM_LEDS )
	{
		/* Rotate to the wanted bit of port */
		ulLED <<= ( unsigned portLONG ) uxLED;

		/* Set of clear the output. */
		if( xValue )
		{
			FIO2CLR = ulLED;
		}
		else
		{
			FIO2SET = ulLED;
		}
	}
}
/*-----------------------------------------------------------*/

void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
unsigned portLONG ulLED = partstFIRST_IO, ulCurrentState;

	if( uxLED < partstNUM_LEDS )
	{
		/* Rotate to the wanted bit of port 0.  Only P10 to P13 have an LED
		attached. */
		ulLED <<= ( unsigned portLONG ) uxLED;

		/* If this bit is already set, clear it, and visa versa. */
		ulCurrentState = FIO2PIN;
		if( ulCurrentState & ulLED )
		{
			FIO2CLR = ulLED;
		}
		else
		{
			FIO2SET = ulLED;			
		}
	}	
}

/*-----------------------------------------------------------*/
unsigned portBASE_TYPE uxParTextGetLED( unsigned portBASE_TYPE uxLED )
{
unsigned portLONG ulLED = partstFIRST_IO;
    
    ulLED <<= ( unsigned portLONG ) uxLED;

    return ( FIO2PIN & ulLED );
}