/* FreeRTOS V7.2.0 - Copyright (C) 2012 Real Time Engineers Ltd. *************************************************************************** * * * FreeRTOS tutorial books are available in pdf and paperback. * * Complete, revised, and edited pdf reference manuals are also * * available. * * * * Purchasing FreeRTOS documentation will not only help you, by * * ensuring you get running as quickly as possible and with an * * in-depth knowledge of how to use FreeRTOS, it will also help * * the FreeRTOS project to continue with its mission of providing * * professional grade, cross platform, de facto standard solutions * * for microcontrollers - completely free of charge! * * * * >>> See http://www.FreeRTOS.org/Documentation for details. <<< * * * * Thank you for using FreeRTOS, and thank you for your support! * * * *************************************************************************** This file is part of the FreeRTOS distribution. FreeRTOS is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License (version 2) as published by the Free Software Foundation AND MODIFIED BY the FreeRTOS exception. >>>NOTE<<< The modification to the GPL is included to allow you to distribute a combined work that includes FreeRTOS without being obliged to provide the source code for proprietary components outside of the FreeRTOS kernel. FreeRTOS 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 and the FreeRTOS license exception along with FreeRTOS; if not it can be viewed here: http://www.freertos.org/a00114.html and also obtained by writing to Richard Barry, contact details for whom are available on the FreeRTOS WEB site. 1 tab == 4 spaces! *************************************************************************** * * * Having a problem? Start by reading the FAQ "My application does * * not run, what could be wrong? * * * * http://www.FreeRTOS.org/FAQHelp.html * * * *************************************************************************** http://www.FreeRTOS.org - Documentation, training, latest information, license and contact details. http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, including FreeRTOS+Trace - an indispensable productivity tool. Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell the code with commercial support, indemnification, and middleware, under the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also provide a safety engineered and independently SIL3 certified version under the SafeRTOS brand: http://www.SafeRTOS.com. */ #include #include "FreeRTOS.h" #include "task.h" #include "partest.h" #define partstPUSH_PULL ( ( unsigned char ) 0xff ) #define partstALL_OUTPUTS_OFF ( ( unsigned char ) 0xff ) /* LED to output is dependent on how the LED's are wired. */ #define partstOUTPUT_0 ( ( unsigned char ) 0x02 ) #define partstOUTPUT_1 ( ( unsigned char ) 0x08 ) #define partstOUTPUT_2 ( ( unsigned char ) 0x20 ) #define partstOUTPUT_3 ( ( unsigned char ) 0x01 ) #define partstOUTPUT_4 ( ( unsigned char ) 0x04 ) #define partstOUTPUT_5 ( ( unsigned char ) 0x10 ) #define partstOUTPUT_6 ( ( unsigned char ) 0x40 ) #define partstOUTPUT_7 ( ( unsigned char ) 0x80 ) /*----------------------------------------------------------- * Simple parallel port IO routines. *-----------------------------------------------------------*/ void vParTestInitialise( void ) { unsigned char ucOriginalSFRPage; /* Remember the SFR page before it is changed so it can get set back before the function exits. */ ucOriginalSFRPage = SFRPAGE; /* Setup the SFR page to access the config SFR's. */ SFRPAGE = CONFIG_PAGE; /* Set the on board LED to push pull. */ P3MDOUT |= partstPUSH_PULL; /* Return the SFR page. */ SFRPAGE = ucOriginalSFRPage; P3 = partstALL_OUTPUTS_OFF; } /*-----------------------------------------------------------*/ void vParTestSetLED( unsigned portBASE_TYPE uxLED, portBASE_TYPE xValue ) { portBASE_TYPE xError = pdFALSE; vTaskSuspendAll(); { if( xValue == pdFALSE ) { switch( uxLED ) { case 0 : P3 |= partstOUTPUT_0; break; case 1 : P3 |= partstOUTPUT_1; break; case 2 : P3 |= partstOUTPUT_2; break; case 3 : P3 |= partstOUTPUT_3; break; case 4 : P3 |= partstOUTPUT_4; break; case 5 : P3 |= partstOUTPUT_5; break; case 6 : P3 |= partstOUTPUT_6; break; case 7 : P3 |= partstOUTPUT_7; break; default : /* There are no other LED's wired in. */ xError = pdTRUE; break; } } else { switch( uxLED ) { case 0 : P3 &= ~partstOUTPUT_0; break; case 1 : P3 &= ~partstOUTPUT_1; break; case 2 : P3 &= ~partstOUTPUT_2; break; case 3 : P3 &= ~partstOUTPUT_3; break; case 4 : P3 &= ~partstOUTPUT_4; break; case 5 : P3 &= ~partstOUTPUT_5; break; case 6 : P3 &= ~partstOUTPUT_6; break; case 7 : P3 &= ~partstOUTPUT_7; break; default : /* There are no other LED's wired in. */ break; } } } xTaskResumeAll(); } /*-----------------------------------------------------------*/ void vParTestToggleLED( unsigned portBASE_TYPE uxLED ) { unsigned char ucBit; portBASE_TYPE xError = pdFALSE; vTaskSuspendAll(); { switch( uxLED ) { case 0 : ucBit = partstOUTPUT_0; break; case 1 : ucBit = partstOUTPUT_1; break; case 2 : ucBit = partstOUTPUT_2; break; case 3 : ucBit = partstOUTPUT_3; break; case 4 : ucBit = partstOUTPUT_4; break; case 5 : ucBit = partstOUTPUT_5; break; case 6 : ucBit = partstOUTPUT_6; break; case 7 : ucBit = partstOUTPUT_7; break; default : /* There are no other LED's wired in. */ xError = pdTRUE; break; } if( xError != pdTRUE ) { if( P3 & ucBit ) { P3 &= ~ucBit; } else { P3 |= ucBit; } } } xTaskResumeAll(); }