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Subversion Repositories openrisc_2011-10-31
[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [PIC24_MPLAB/] [ParTest/] [ParTest.c] - Rev 621
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/* FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd. *************************************************************************** * * * If you are: * * * * + New to FreeRTOS, * * + Wanting to learn FreeRTOS or multitasking in general quickly * * + Looking for basic training, * * + Wanting to improve your FreeRTOS skills and productivity * * * * then take a look at the FreeRTOS books - available as PDF or paperback * * * * "Using the FreeRTOS Real Time Kernel - a Practical Guide" * * http://www.FreeRTOS.org/Documentation * * * * A pdf reference manual is also available. Both are usually delivered * * to your inbox within 20 minutes to two hours when purchased between 8am * * and 8pm GMT (although please allow up to 24 hours in case of * * exceptional circumstances). 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 exception 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! http://www.FreeRTOS.org - Documentation, latest information, license and contact details. http://www.SafeRTOS.com - A version that is certified for use in safety critical systems. http://www.OpenRTOS.com - Commercial support, development, porting, licensing and training services. */ /* Scheduler includes. */ #include "FreeRTOS.h" /* Demo app includes. */ #include "partest.h" #define ptOUTPUT 0 #define ptALL_OFF 0 /*----------------------------------------------------------- * Simple parallel port IO routines. *-----------------------------------------------------------*/ void vParTestInitialise( void ) { /* The explorer 16 board has LED's on port A. All bits are set as output so PORTA is read-modified-written directly. */ TRISA = ptOUTPUT; PORTA = ptALL_OFF; } /*-----------------------------------------------------------*/ void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue ) { unsigned portBASE_TYPE uxLEDBit; /* Which port A bit is being modified? */ uxLEDBit = 1 << uxLED; if( xValue ) { /* Turn the LED on. */ portENTER_CRITICAL(); { PORTA |= uxLEDBit; } portEXIT_CRITICAL(); } else { /* Turn the LED off. */ portENTER_CRITICAL(); { PORTA &= ~uxLEDBit; } portEXIT_CRITICAL(); } } /*-----------------------------------------------------------*/ void vParTestToggleLED( unsigned portBASE_TYPE uxLED ) { unsigned portBASE_TYPE uxLEDBit; uxLEDBit = 1 << uxLED; portENTER_CRITICAL(); { /* If the LED is already on - turn it off. If the LED is already off, turn it on. */ if( PORTA & uxLEDBit ) { PORTA &= ~uxLEDBit; } else { PORTA |= uxLEDBit; } } portEXIT_CRITICAL(); }
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