Demo/ARM7_LPC2129_Keil/ParTest/ParTest.c

/*
	FreeRTOS.org V4.6.1 - Copyright (C) 2003-2007 Richard Barry.

	This file is part of the FreeRTOS.org distribution.

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	it under the terms of the GNU General Public License as published by
	the Free Software Foundation; either version 2 of the License, or
	(at your option) any later version.

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	but WITHOUT ANY WARRANTY; without even the implied warranty of
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	GNU General Public License for more details.

	You should have received a copy of the GNU General Public License
	along with FreeRTOS.org; if not, write to the Free Software
	Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

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	***************************************************************************
	See http://www.FreeRTOS.org for documentation, latest information, license 
	and contact details.  Please ensure to read the configuration and relevant 
	port sections of the online documentation.

	Also see http://www.SafeRTOS.com a version that has been certified for use
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	***************************************************************************
*/


#include "FreeRTOS.h"
#include "portable.h"
#include "partest.h"

#define partstFIRST_IO		( ( unsigned portLONG ) 0x10000 )
#define partstNUM_LEDS		( 8 )

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

void vParTestInitialise( void )
{
	/* This is performed from main() as the io bits are shared with other setup
	functions. */
}
/*-----------------------------------------------------------*/

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 0.  Only P16 to P23 have an LED
		attached. */
		ulLED <<= ( unsigned portLONG ) uxLED;

		/* Set or clear the output. */
		if( xValue )
		{
			IOSET1 = ulLED;
		}
		else
		{
			IOCLR1 = 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 = IOPIN1;
		if( ulCurrentState & ulLED )
		{
			IOCLR1 = ulLED;
		}
		else
		{
			IOSET1 = ulLED;			
		}
	}	
}