blob: f91e657e469fdb5ca6929a26645be277584562a3 [file] [log] [blame]
/*
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!
*/
/* FreeRTOS.org includes. */
#include "FreeRTOS.h"
/* Demo application includes. */
#include "partest.h"
#define partstFIRST_IO ( ( unsigned long ) 0x04 )
#define partstFIO2_BITS ( ( unsigned long ) 0x0000007C )
#define partstFIO1_BITS ( ( unsigned long ) 0xB0000000 )
#define partstNUM_LEDS ( 5 )
#define partstALL_OUTPUTS_OFF ( ( unsigned long ) 0xff )
/*-----------------------------------------------------------
* Simple parallel port IO routines.
*-----------------------------------------------------------*/
void vParTestInitialise( void )
{
/* LEDs on ports 1 and 2 to output. */
GPIO2->FIODIR = partstFIO2_BITS;
GPIO1->FIODIR = partstFIO1_BITS;
/* Start will all LEDs off. */
GPIO2->FIOCLR = partstFIO2_BITS;
GPIO1->FIOCLR = partstFIO1_BITS;
}
/*-----------------------------------------------------------*/
void vParTestSetLED( unsigned long ulLEDIn, signed long xValue )
{
unsigned long ulLED = partstFIRST_IO;
/* Used to set and clear LEDs on FIO2. */
if( ulLEDIn < partstNUM_LEDS )
{
/* Rotate to the wanted bit of port */
ulLED <<= ( unsigned long ) ulLEDIn;
/* Set of clear the output. */
if( xValue )
{
GPIO2->FIOCLR = ulLED;
}
else
{
GPIO2->FIOSET = ulLED;
}
}
}
/*-----------------------------------------------------------*/
void vParTestToggleLED( unsigned long ulLEDIn )
{
unsigned long ulLED = partstFIRST_IO, ulCurrentState;
/* Used to toggle LEDs on FIO2. */
if( ulLEDIn < partstNUM_LEDS )
{
/* Rotate to the wanted bit of port 0. Only P10 to P13 have an LED
attached. */
ulLED <<= ( unsigned long ) ulLEDIn;
/* If this bit is already set, clear it, and vice versa. */
ulCurrentState = GPIO2->FIOPIN;
if( ulCurrentState & ulLED )
{
GPIO2->FIOCLR = ulLED;
}
else
{
GPIO2->FIOSET = ulLED;
}
}
}
/*-----------------------------------------------------------*/
long lParTestGetLEDState( void )
{
/* Returns the state of the LEDs on FIO1. */
if( ( GPIO1->FIOPIN & partstFIO1_BITS ) != 0 )
{
return pdFALSE;
}
else
{
return pdTRUE;
}
}
/*-----------------------------------------------------------*/
void vParTestSetLEDState( long lState )
{
/* Used to set and clear the LEDs on FIO1. */
if( lState != pdFALSE )
{
GPIO1->FIOSET = partstFIO1_BITS;
}
else
{
GPIO1->FIOCLR = partstFIO1_BITS;
}
}
/*-----------------------------------------------------------*/