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132 lines
4.1 KiB
C
132 lines
4.1 KiB
C
/*
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FreeRTOS.org V5.3.1 - Copyright (C) 2003-2009 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 it
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under the terms of the GNU General Public License (version 2) as published
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by the 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.org without being obliged to provide
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the source code for any proprietary components. Alternative commercial
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license and support terms are also available upon request. See the
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licensing section of http://www.FreeRTOS.org for full details.
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FreeRTOS.org 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.org; 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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* Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation *
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* *
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* This is a concise, step by step, 'hands on' guide that describes both *
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* general multitasking concepts and FreeRTOS specifics. It presents and *
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* explains numerous examples that are written using the FreeRTOS API. *
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* Full source code for all the examples is provided in an accompanying *
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* .zip file. *
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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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/*-----------------------------------------------------------
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* Simple parallel port IO routines.
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*-----------------------------------------------------------*/
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/*
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*/
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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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#include "pdc.h"
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#define partstPINS (GPIO_PIN_0 | GPIO_PIN_1 | GPIO_PIN_2 | GPIO_PIN_3 Z | GPIO_PIN_4 | GPIO_PIN_5 | GPIO_PIN_6 | GPIO_PIN_7)
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#define partstALL_OUTPUTS_OFF ( ( unsigned portCHAR ) 0x00 )
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#define partstMAX_OUTPUT_LED ( ( unsigned portCHAR ) 8 )
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static volatile unsigned portCHAR ucOutputValue = partstALL_OUTPUTS_OFF;
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void vParTestInitialise( void )
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{
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PDCInit();
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PDCWrite( PDC_LED, ucOutputValue );
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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 portCHAR ucBit = ( unsigned portCHAR ) 1;
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vTaskSuspendAll();
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{
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if( uxLED < partstMAX_OUTPUT_LED )
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{
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ucBit = ( ( unsigned portCHAR ) 1 ) << uxLED;
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if( xValue == pdFALSE )
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{
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ucBit ^= ( unsigned portCHAR ) 0xff;
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ucOutputValue &= ucBit;
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}
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else
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{
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ucOutputValue |= ucBit;
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}
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PDCWrite( PDC_LED, ucOutputValue );
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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 portBASE_TYPE uxLED )
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{
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unsigned portCHAR ucBit;
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vTaskSuspendAll();
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{
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if( uxLED < partstMAX_OUTPUT_LED )
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{
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ucBit = ( ( unsigned portCHAR ) 1 ) << uxLED;
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if( ucOutputValue & ucBit )
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{
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ucOutputValue &= ~ucBit;
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}
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else
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{
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ucOutputValue |= ucBit;
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}
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PDCWrite( PDC_LED, ucOutputValue );
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}
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}
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xTaskResumeAll();
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}
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