/* | |
FreeRTOS V8.0.1 - Copyright (C) 2014 Real Time Engineers Ltd. | |
All rights reserved | |
VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. | |
*************************************************************************** | |
* * | |
* FreeRTOS provides completely free yet professionally developed, * | |
* robust, strictly quality controlled, supported, and cross * | |
* platform software that has become a de facto standard. * | |
* * | |
* Help yourself get started quickly and support the FreeRTOS * | |
* project by purchasing a FreeRTOS tutorial book, reference * | |
* manual, or both from: http://www.FreeRTOS.org/Documentation * | |
* * | |
* Thank you! * | |
* * | |
*************************************************************************** | |
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. Full license text is available from the following | |
link: http://www.freertos.org/a00114.html | |
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, books, training, latest versions, | |
license and Real Time Engineers Ltd. contact details. | |
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, | |
including FreeRTOS+Trace - an indispensable productivity tool, a DOS | |
compatible FAT file system, and our tiny thread aware UDP/IP stack. | |
http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High | |
Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS | |
licenses offer ticketed support, indemnification and middleware. | |
http://www.SafeRTOS.com - High Integrity Systems also provide a safety | |
engineered and independently SIL3 certified version for use in safety and | |
mission critical applications that require provable dependability. | |
1 tab == 4 spaces! | |
*/ | |
/* 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(); | |
} | |