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Richard Barry 2008-02-13 10:36:35 +00:00
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commit e20f132f48
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20080212/Demo/ARM7_LPC2106_GCC/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.
***************************************************************************
Please ensure to read the configuration and relevant port sections of the
online documentation.
+++ http://www.FreeRTOS.org +++
Documentation, latest information, license and contact details.
+++ http://www.SafeRTOS.com +++
A version that is certified for use in safety critical systems.
+++ http://www.OpenRTOS.com +++
Commercial support, development, porting, licensing and training services.
***************************************************************************
*/
/*
Changes from V2.5.2
+ All LED's are turned off to start.
*/
#include "FreeRTOS.h"
#include "partest.h"
#define partstFIRST_IO ( ( unsigned portLONG ) 0x400 )
#define partstNUM_LEDS ( 4 )
#define partstALL_OUTPUTS_OFF ( ( unsigned portLONG ) 0xffffffff )
/*-----------------------------------------------------------
* Simple parallel port IO routines.
*-----------------------------------------------------------*/
void vParTestInitialise( void )
{
/* This is performed from main() as the io bits are shared with other setup
functions. */
/* Turn all outputs off. */
GPIO_IOSET = 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 0. Only P10 to P13 have an LED
attached. */
ulLED <<= ( unsigned portLONG ) uxLED;
/* Set of clear the output. */
if( xValue )
{
GPIO_IOCLR = ulLED;
}
else
{
GPIO_IOSET = 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 = GPIO0_IOPIN;
if( ulCurrentState & ulLED )
{
GPIO_IOCLR = ulLED;
}
else
{
GPIO_IOSET = ulLED;
}
}
}