FreeRTOS-Kernel/FreeRTOS/Demo/ColdFire_MCF51CN128_CodeWarrior/Sources/ParTest/ParTest.c

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    ***************************************************************************
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    ***************************************************************************

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*/


#include "FreeRTOS.h"
#include "task.h"
#include "partest.h"

#define partstNUM_LEDs	4

/*-----------------------------------------------------------
 * Simple LED IO routines for the tower LEDs LED1 to LED4.
 *-----------------------------------------------------------*/

void vParTestInitialise( void )
{
	/* Enable pull and output drive. */
	PTHPE_PTHPE3 = 1;
	PTHDD_PTHDD3 = 1;

	PTEPE_PTEPE5 = 1;
	PTEDD_PTEDD5 = 1;

	PTGPE_PTGPE5 = 1;
	PTGDD_PTGDD5 = 1;

	PTEPE_PTEPE3 = 1;
	PTEDD_PTEDD3 = 1;
	
	/* Enable clock to ports. */
	SCGC3_PTE = 1;
	SCGC3_PTF = 1;
	SCGC3_PTG = 1;

	/* Ensure the LEDs are off. */
	vParTestSetLED( 0, 0 );
	vParTestSetLED( 1, 0 );
	vParTestSetLED( 2, 0 );
	vParTestSetLED( 3, 0 );
}
/*-----------------------------------------------------------*/

void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
	switch( uxLED )
	{
		case 0:	PTHD_PTHD3 = xValue;
				break;
		case 1:	PTED_PTED5 = xValue;
				break;
		case 2:	PTGD_PTGD5 = xValue;
				break;
		case 3:	PTED_PTED3 = xValue;
				break;
		default : /* There are no other LEDs. */
				break;
	}
}
/*-----------------------------------------------------------*/

void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
	portENTER_CRITICAL();
	{
		switch( uxLED )
		{
			case 0:	PTHD_PTHD3 = !PTHD_PTHD3;
					break;
			case 1:	PTED_PTED5 = !PTED_PTED5;
					break;
			case 2:	PTGD_PTGD5 = !PTGD_PTGD5;
					break;
			case 3:	PTED_PTED3 = !!PTED_PTED3;
					break;
			default : /* There are no other LEDs. */
					break;
		}
	}
	portEXIT_CRITICAL();
}
/*-----------------------------------------------------------*/

unsigned portBASE_TYPE uxParTestGetLED( unsigned portBASE_TYPE uxLED )
{
	/* We ignore the parameter as in this simple example we simply return the
	state of LED3. */
	( void ) uxLED;
	
	return PTED_PTED3;
}