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102 lines
3.5 KiB
C
102 lines
3.5 KiB
C
17 years ago
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/*
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FreeRTOS.org V4.6.1 - Copyright (C) 2003-2007 Richard Barry.
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This file is part of the FreeRTOS.org distribution.
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FreeRTOS.org is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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FreeRTOS.org is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with FreeRTOS.org; if not, write to the Free Software
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Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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A special exception to the GPL can be applied should you wish to distribute
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a combined work that includes FreeRTOS.org, without being obliged to provide
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the source code for any proprietary components. See the licensing section
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of http://www.FreeRTOS.org for full details of how and when the exception
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can be applied.
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***************************************************************************
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See http://www.FreeRTOS.org for documentation, latest information, license
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and contact details. Please ensure to read the configuration and relevant
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port sections of the online documentation.
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Also see http://www.SafeRTOS.com a version that has been certified for use
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in safety critical systems, plus commercial licensing, development and
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support options.
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***************************************************************************
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*/
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/* Scheduler includes. */
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#include "FreeRTOS.h"
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/* Demo application includes. */
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#include "partest.h"
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/*-----------------------------------------------------------
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* Simple parallel port IO routines for the LED's. LED's can be set, cleared
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* or toggled.
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*-----------------------------------------------------------*/
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#define partstNUM_LEDS ( 4 )
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#define partstALL_LEDS ( ulLED_Mask[ 0 ] | ulLED_Mask[ 1 ] | ulLED_Mask[ 2 ] | ulLED_Mask[ 3 ] )
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const unsigned portLONG ulLED_Mask[ partstNUM_LEDS ]= { (1<<19), (1<<20), (1<<21), (1<<22) };
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void vParTestInitialise( void )
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{
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/* Configure the PIO Lines corresponding to LED1 to LED4 to be outputs. */
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AT91C_BASE_PIOB->PIO_PER = partstALL_LEDS;
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AT91C_BASE_PIOB->PIO_OER = partstALL_LEDS;
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/* Start with all LED's off. */
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AT91C_BASE_PIOB->PIO_SODR = partstALL_LEDS;
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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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if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
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{
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if( xValue )
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{
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AT91C_BASE_PIOB->PIO_SODR = ulLED_Mask[ uxLED ];
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}
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else
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{
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AT91C_BASE_PIOB->PIO_CODR = ulLED_Mask[ uxLED ];
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}
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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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if( uxLED < ( portBASE_TYPE ) partstNUM_LEDS )
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{
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if( AT91C_BASE_PIOB->PIO_PDSR & ulLED_Mask[ uxLED ] )
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{
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AT91C_BASE_PIOB->PIO_CODR = ulLED_Mask[ uxLED ];
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}
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else
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{
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AT91C_BASE_PIOB->PIO_SODR = ulLED_Mask[ uxLED ];
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}
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}
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}
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/*-----------------------------------------------------------*/
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unsigned portBASE_TYPE uxParTestGetLED( void )
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{
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/* Return the value of LED DS4 for use by the WEB server. */
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return !( AT91C_BASE_PIOB->PIO_PDSR & ulLED_Mask[ partstNUM_LEDS - 1 ] );
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}
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