/* FreeRTOS.org V4.1.1 - Copyright (C) 2003-2006 Richard Barry. This file is part of the FreeRTOS.org distribution. FreeRTOS.org is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version. FreeRTOS.org is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with FreeRTOS.org; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA A special exception to the GPL can be applied should you wish to distribute a combined work that includes FreeRTOS.org, without being obliged to provide the source code for any proprietary components. See the licensing section of http://www.FreeRTOS.org for full details of how and when the exception can be applied. *************************************************************************** See http://www.FreeRTOS.org for documentation, latest information, license and contact details. Please ensure to read the configuration and relevant port sections of the online documentation. *************************************************************************** */ /*----------------------------------------------------------- * Simple parallel port IO routines. *-----------------------------------------------------------*/ /* */ #include "FreeRTOS.h" #include "Task.h" #include "partest.h" #include "pdc.h" #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) #define partstALL_OUTPUTS_OFF ( ( unsigned portCHAR ) 0x00 ) #define partstMAX_OUTPUT_LED ( ( unsigned portCHAR ) 8 ) static volatile unsigned portCHAR ucOutputValue = partstALL_OUTPUTS_OFF; void vParTestInitialise( void ) { PDCInit(); PDCWrite( PDC_LED, ucOutputValue ); } /*-----------------------------------------------------------*/ void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue ) { unsigned portCHAR ucBit = ( unsigned portCHAR ) 1; vTaskSuspendAll(); { if( uxLED < partstMAX_OUTPUT_LED ) { ucBit = ( ( unsigned portCHAR ) 1 ) << uxLED; if( xValue == pdFALSE ) { ucBit ^= ( unsigned portCHAR ) 0xff; ucOutputValue &= ucBit; } else { ucOutputValue |= ucBit; } PDCWrite( PDC_LED, ucOutputValue ); } } xTaskResumeAll(); } /*-----------------------------------------------------------*/ void vParTestToggleLED( unsigned portBASE_TYPE uxLED ) { unsigned portCHAR ucBit; vTaskSuspendAll(); { if( uxLED < partstMAX_OUTPUT_LED ) { ucBit = ( ( unsigned portCHAR ) 1 ) << uxLED; if( ucOutputValue & ucBit ) { ucOutputValue &= ~ucBit; } else { ucOutputValue |= ucBit; } PDCWrite( PDC_LED, ucOutputValue ); } } xTaskResumeAll(); }