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119 lines
3.5 KiB
C
119 lines
3.5 KiB
C
/*
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FreeRTOS V5.4.2 - Copyright (C) 2009 Real Time Engineers Ltd.
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation and modified by the FreeRTOS exception.
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**NOTE** The exception to the GPL is included to allow you to distribute a
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combined work that includes FreeRTOS without being obliged to provide the
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source code for proprietary components outside of the FreeRTOS kernel.
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Alternative commercial license and support terms are also available upon
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request. See the licensing section of http://www.FreeRTOS.org for full
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license details.
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT
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ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details.
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You should have received a copy of the GNU General Public License along
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with FreeRTOS; if not, write to the Free Software Foundation, Inc., 59
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Temple Place, Suite 330, Boston, MA 02111-1307 USA.
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***************************************************************************
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* *
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* Looking for a quick start? Then check out the FreeRTOS eBook! *
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* See http://www.FreeRTOS.org/Documentation for details *
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* *
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***************************************************************************
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1 tab == 4 spaces!
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Please ensure to read the configuration and relevant port sections of the
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online documentation.
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http://www.FreeRTOS.org - Documentation, latest information, license and
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contact details.
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http://www.SafeRTOS.com - A version that is certified for use in safety
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critical systems.
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http://www.OpenRTOS.com - Commercial support, development, porting,
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licensing and training services.
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*/
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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/* Demo app includes. */
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#include "partest.h"
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#define ptOUTPUT 0
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#define ptALL_OFF 0
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/*-----------------------------------------------------------
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* Simple parallel port IO routines.
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*-----------------------------------------------------------*/
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void vParTestInitialise( void )
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{
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/* The explorer 16 board has LED's on port A. All bits are set as output
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so PORTA is read-modified-written directly. */
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TRISA = ptOUTPUT;
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PORTA = ptALL_OFF;
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}
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/*-----------------------------------------------------------*/
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void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
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{
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unsigned portBASE_TYPE uxLEDBit;
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/* Which port A bit is being modified? */
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uxLEDBit = 1 << uxLED;
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if( xValue )
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{
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/* Turn the LED on. */
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portENTER_CRITICAL();
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{
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PORTA |= uxLEDBit;
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}
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portEXIT_CRITICAL();
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}
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else
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{
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/* Turn the LED off. */
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portENTER_CRITICAL();
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{
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PORTA &= ~uxLEDBit;
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}
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portEXIT_CRITICAL();
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}
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}
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/*-----------------------------------------------------------*/
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void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
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{
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unsigned portBASE_TYPE uxLEDBit;
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uxLEDBit = 1 << uxLED;
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portENTER_CRITICAL();
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{
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/* If the LED is already on - turn it off. If the LED is already
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off, turn it on. */
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if( PORTA & uxLEDBit )
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{
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PORTA &= ~uxLEDBit;
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}
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else
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{
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PORTA |= uxLEDBit;
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}
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}
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portEXIT_CRITICAL();
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}
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