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Richard Barry 2008-02-13 10:36:35 +00:00
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20080212/Demo/ARM7_LPC2368_Eclipse/RTOSDemo/ParTest/ParTest.c Normal file
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/*
FreeRTOS.org V4.7.1 - Copyright (C) 2003-2008 Richard Barry.
This file is part of the FreeRTOS.org distribution.
FreeRTOS.org is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
FreeRTOS.org 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
along with FreeRTOS.org; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
A special exception to the GPL can be applied should you wish to distribute
a combined work that includes FreeRTOS.org, without being obliged to provide
the source code for any proprietary components. See the licensing section
of http://www.FreeRTOS.org for full details of how and when the exception
can be applied.
***************************************************************************
See http://www.FreeRTOS.org for documentation, latest information, license
and contact details. Please ensure to read the configuration and relevant
port sections of the online documentation.
***************************************************************************
*/
/* FreeRTOS.org includes. */
#include "FreeRTOS.h"
/* Demo application includes. */
#include "partest.h"
#define partstFIRST_IO ( ( unsigned portLONG ) 0x01 )
#define partstNUM_LEDS ( 8 )
#define partstALL_OUTPUTS_OFF ( ( unsigned portLONG ) 0xff )
/*-----------------------------------------------------------
* Simple parallel port IO routines.
*-----------------------------------------------------------*/
void vParTestInitialise( void )
{
PINSEL10 = 0;
FIO2DIR = 0x000000FF;
FIO2MASK = 0x00000000;
FIO2CLR = 0xFF;
SCS |= (1<<0); //fast mode for port 0 and 1
FIO2CLR = partstALL_OUTPUTS_OFF;
}
/*-----------------------------------------------------------*/
void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
unsigned portLONG ulLED = partstFIRST_IO;
if( uxLED < partstNUM_LEDS )
{
/* Rotate to the wanted bit of port */
ulLED <<= ( unsigned portLONG ) uxLED;
/* Set of clear the output. */
if( xValue )
{
FIO2CLR = ulLED;
}
else
{
FIO2SET = ulLED;
}
}
}
/*-----------------------------------------------------------*/
void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
unsigned portLONG ulLED = partstFIRST_IO, ulCurrentState;
if( uxLED < partstNUM_LEDS )
{
/* Rotate to the wanted bit of port 0. Only P10 to P13 have an LED
attached. */
ulLED <<= ( unsigned portLONG ) uxLED;
/* If this bit is already set, clear it, and visa versa. */
ulCurrentState = FIO2PIN;
if( ulCurrentState & ulLED )
{
FIO2CLR = ulLED;
}
else
{
FIO2SET = ulLED;
}
}
}
/*-----------------------------------------------------------*/
unsigned portBASE_TYPE uxParTextGetLED( unsigned portBASE_TYPE uxLED )
{
unsigned portLONG ulLED = partstFIRST_IO;
ulLED <<= ( unsigned portLONG ) uxLED;
return ( FIO2PIN & ulLED );
}