126 lines
3.7 KiB
C
126 lines
3.7 KiB
C
/*
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FreeRTOS.org V4.1.0 - Copyright (C) 2003-2006 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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***************************************************************************
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*/
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/*
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Changes from V3.0.0
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Changes from V3.0.1
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*/
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/* Scheduler include files. */
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#include "FreeRTOS.h"
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#include <task.h>
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#include "partest.h"
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/*-----------------------------------------------------------
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* Simple parallel port IO routines for the FED 40pin demo board.
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* The four LED's are connected to D4 to D7.
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*-----------------------------------------------------------*/
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#define partstBIT_AS_OUTPUT ( ( unsigned portSHORT ) 0 )
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#define partstSET_OUTPUT ( ( unsigned portSHORT ) 1 )
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#define partstCLEAR_OUTPUT ( ( unsigned portSHORT ) 0 )
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#define partstENABLE_GENERAL_IO ( ( unsigned portCHAR ) 7 )
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/*-----------------------------------------------------------*/
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void vParTestInitialise( void )
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{
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/* Set the top four bits of port D to output. */
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bTRD7 = partstBIT_AS_OUTPUT;
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bTRD6 = partstBIT_AS_OUTPUT;
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bTRD5 = partstBIT_AS_OUTPUT;
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bTRD4 = partstBIT_AS_OUTPUT;
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/* Start with all bits off. */
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bRD7 = partstCLEAR_OUTPUT;
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bRD6 = partstCLEAR_OUTPUT;
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bRD5 = partstCLEAR_OUTPUT;
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bRD4 = partstCLEAR_OUTPUT;
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/* Enable the driver. */
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ADCON1 = partstENABLE_GENERAL_IO;
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bTRE2 = partstBIT_AS_OUTPUT;
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bRE2 = partstSET_OUTPUT;
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}
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/*-----------------------------------------------------------*/
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void vParTestSetLED( unsigned portCHAR ucLED, portCHAR cValue )
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{
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/* We are only using the top nibble, so LED 0 corresponds to bit 4. */
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vTaskSuspendAll();
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{
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switch( ucLED )
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{
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case 3 : bRD7 = ( portSHORT ) cValue;
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break;
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case 2 : bRD6 = ( portSHORT ) cValue;
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break;
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case 1 : bRD5 = ( portSHORT ) cValue;
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break;
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case 0 : bRD4 = ( portSHORT ) cValue;
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break;
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default : /* There are only 4 LED's. */
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break;
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}
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}
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xTaskResumeAll();
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}
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/*-----------------------------------------------------------*/
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void vParTestToggleLED( unsigned portCHAR ucLED )
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{
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/* We are only using the top nibble, so LED 0 corresponds to bit 4. */
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vTaskSuspendAll();
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{
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switch( ucLED )
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{
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case 3 : bRD7 = !bRD7;
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break;
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case 2 : bRD6 = !bRD6;
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break;
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case 1 : bRD5 = !bRD5;
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break;
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case 0 : bRD4 = !bRD4 );
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break;
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default : /* There are only 4 LED's. */
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break;
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}
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}
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xTaskResumeAll();
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}
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