blob: b5d065c76402f1093b867c52c10f816b96d373ab [file] [log] [blame]
/*
FreeRTOS V8.1.1 - 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!
*/
#include "FreeRTOS.h"
#include "task.h"
#include "partest.h"
#define partstNUM_LEDs 4
/*-----------------------------------------------------------
* Simple parallel port IO routines.
*-----------------------------------------------------------*/
void vParTestInitialise( void )
{
/* Ensure LED outputs are set to GPIO */
MCF_GPIO_PTCPAR = MCF_GPIO_PTCPAR_DTIN3_GPIO | MCF_GPIO_PTCPAR_DTIN2_GPIO | MCF_GPIO_PTCPAR_DTIN1_GPIO | MCF_GPIO_PTCPAR_DTIN0_GPIO;
/* Set GPIO to outputs. */
MCF_GPIO_DDRTC = MCF_GPIO_DDRTC_DDRTC3 | MCF_GPIO_DDRTC_DDRTC2 | MCF_GPIO_DDRTC_DDRTC1 | MCF_GPIO_DDRTC_DDRTC0;
/* Start with all LEDs off. */
MCF_GPIO_PORTTC = 0x00;
}
/*-----------------------------------------------------------*/
void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
if( uxLED < partstNUM_LEDs )
{
if( xValue != 0 )
{
taskENTER_CRITICAL();
MCF_GPIO_PORTTC |= ( 1 << uxLED );
taskEXIT_CRITICAL();
}
else
{
taskENTER_CRITICAL();
MCF_GPIO_PORTTC &= ~( 1 << uxLED );
taskEXIT_CRITICAL();
}
}
}
/*-----------------------------------------------------------*/
void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
if( uxLED < partstNUM_LEDs )
{
taskENTER_CRITICAL();
{
if( ( MCF_GPIO_PORTTC & ( 1 << uxLED ) ) == ( unsigned char ) 0 )
{
MCF_GPIO_PORTTC |= ( 1 << uxLED );
}
else
{
MCF_GPIO_PORTTC &= ~( 1 << uxLED );
}
}
taskEXIT_CRITICAL();
}
}
/*-----------------------------------------------------------*/
unsigned portBASE_TYPE uxParTestGetLED( unsigned portBASE_TYPE uxLED )
{
unsigned portBASE_TYPE uxReturn = pdFALSE;
if( uxLED < partstNUM_LEDs )
{
if( ( MCF_GPIO_PORTTC & ( 1 << uxLED ) ) != 0 )
{
uxReturn = pdTRUE;
}
}
return uxReturn;
}