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147 lines
5.1 KiB
C
147 lines
5.1 KiB
C
/*
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FreeRTOS V7.0.1 - Copyright (C) 2011 Real Time Engineers Ltd.
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***************************************************************************
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* *
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* FreeRTOS tutorial books are available in pdf and paperback. *
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* Complete, revised, and edited pdf reference manuals are also *
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* available. *
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* *
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* Purchasing FreeRTOS documentation will not only help you, by *
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* ensuring you get running as quickly as possible and with an *
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* in-depth knowledge of how to use FreeRTOS, it will also help *
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* the FreeRTOS project to continue with its mission of providing *
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* professional grade, cross platform, de facto standard solutions *
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* for microcontrollers - completely free of charge! *
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* *
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* >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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* *
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* Thank you for using FreeRTOS, and thank you for your support! *
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* *
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***************************************************************************
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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 modification to the GPL is included to allow you to
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distribute a combined work that includes FreeRTOS without being obliged to
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provide the source code for proprietary components outside of the FreeRTOS
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kernel. FreeRTOS is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details. You should have received a copy of the GNU General Public
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License and the FreeRTOS license exception along with FreeRTOS; if not it
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can be viewed here: http://www.freertos.org/a00114.html and also obtained
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by writing to Richard Barry, contact details for whom are available on the
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FreeRTOS WEB site.
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1 tab == 4 spaces!
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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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/*
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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 short ) 0 )
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#define partstSET_OUTPUT ( ( unsigned short ) 1 )
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#define partstCLEAR_OUTPUT ( ( unsigned short ) 0 )
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#define partstENABLE_GENERAL_IO ( ( unsigned char ) 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 char ucLED, char 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 = ( short ) cValue;
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break;
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case 2 : bRD6 = ( short ) cValue;
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break;
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case 1 : bRD5 = ( short ) cValue;
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break;
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case 0 : bRD4 = ( short ) 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 char 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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