/* | |
FreeRTOS V7.3.0 - Copyright (C) 2012 Real Time Engineers Ltd. | |
FEATURES AND PORTS ARE ADDED TO FREERTOS ALL THE TIME. PLEASE VISIT | |
http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. | |
*************************************************************************** | |
* * | |
* 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 versions, 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. | |
*/ | |
/*----------------------------------------------------------- | |
* Simple GPIO (parallel port) IO routines. | |
*-----------------------------------------------------------*/ | |
/* Kernel includes. */ | |
#include "FreeRTOS.h" | |
#include "task.h" | |
/* Standard demo include. */ | |
#include "partest.h" | |
/* Freescale includes. */ | |
#include "common.h" | |
/* Only the LEDs on one of the two seven segment displays are used. */ | |
#define partstMAX_LEDS 4 | |
/* The bits used to control the LEDs on the TWR-K60N512. */ | |
const unsigned long ulLEDs[ partstMAX_LEDS ] = { ( 1UL << 10UL ), ( 1UL << 29UL ), ( 1UL << 28UL ), ( 1UL << 11UL ) }; | |
/*-----------------------------------------------------------*/ | |
void vParTestInitialise( void ) | |
{ | |
/* Set PTA10, PTA11, PTA28, and PTA29 (connected to LED's) for GPIO | |
functionality. */ | |
PORTA_PCR10 = ( 0 | PORT_PCR_MUX( 1 ) ); | |
PORTA_PCR11 = ( 0 | PORT_PCR_MUX( 1 ) ); | |
PORTA_PCR28 = ( 0 | PORT_PCR_MUX( 1 ) ); | |
PORTA_PCR29 = ( 0 | PORT_PCR_MUX( 1 ) ); | |
/* Change PTA10, PTA11, PTA28, PTA29 to outputs. */ | |
GPIOA_PDDR=GPIO_PDDR_PDD( ulLEDs[ 0 ] | ulLEDs[ 1 ] | ulLEDs[ 2 ] | ulLEDs[ 3 ] ); | |
/* Start with LEDs off. */ | |
GPIOA_PTOR = ~0U; | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestSetLED( unsigned long ulLED, signed portBASE_TYPE xValue ) | |
{ | |
if( ulLED < partstMAX_LEDS ) | |
{ | |
if( xValue == pdTRUE ) | |
{ | |
GPIOA_PCOR = ulLEDs[ ulLED ]; | |
} | |
else | |
{ | |
GPIOA_PSOR = ulLEDs[ ulLED ]; | |
} | |
} | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestToggleLED( unsigned long ulLED ) | |
{ | |
if( ulLED < partstMAX_LEDS ) | |
{ | |
GPIOA_PTOR = ulLEDs[ ulLED ]; | |
} | |
} | |
/*-----------------------------------------------------------*/ | |
long lParTestGetLEDState( unsigned long ulLED ) | |
{ | |
long lReturn = pdFALSE; | |
if( ulLED < partstMAX_LEDS ) | |
{ | |
lReturn = GPIOA_PDOR & ulLEDs[ ulLED ]; | |
if( lReturn == 0 ) | |
{ | |
lReturn = pdTRUE; | |
} | |
else | |
{ | |
lReturn = pdFALSE; | |
} | |
} | |
return lReturn; | |
} |