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First version under SVN is V4.0.1

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Richard Barry 2006-05-02 09:39:15 +00:00
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Demo/ARM7_STR71x_IAR/ParTest/ParTest.c Normal file
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/*
FreeRTOS V4.0.1 - Copyright (C) 2003-2006 Richard Barry.
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 as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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
along with FreeRTOS; 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, 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.
***************************************************************************
*/
/* Library includes. */
#include "GPIO.h"
/* Scheduler includes. */
#include "FreeRTOS.h"
/* Demo application includes. */
#include "partest.h"
/*-----------------------------------------------------------
* Simple parallel port IO routines for the LED's - which are
* connected to the second nibble of GPIO port 1.
*-----------------------------------------------------------*/
#define partstLED_3 0x0080
#define partstLED_2 0x0040
#define partstLED_1 0x0020
#define partstLED_0 0x0010
#define partstON_BOARD 0x0100 /* The LED built onto the KickStart board. */
#define partstALL_LEDs ( partstLED_0 | partstLED_1 | partstLED_2 | partstLED_3 | partstON_BOARD )
#define partstFIRST_LED_BIT 4
/* This demo application uses files that are common to all port demo
applications. These files assume 6 LED's are available, whereas I have
only 5 (including the LED built onto the development board). To prevent
two tasks trying to use the same LED a bit of remapping is performed.
The ComTest tasks will try and use LED's 6 and 7. LED 6 is ignored and
has no effect, LED 7 is mapped to LED3. The LED usage is described in
the port documentation available from the FreeRTOS.org WEB site. */
#define partstCOM_TEST_LED 7
#define partstRX_CHAR_LED 3
/*-----------------------------------------------------------*/
void vParTestInitialise( void )
{
/* Configure the bits used to flash LED's on port 1 as output. */
GPIO_Config(GPIO1, partstALL_LEDs, GPIO_OUT_OD);
}
/*-----------------------------------------------------------*/
void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue )
{
if( uxLED == partstCOM_TEST_LED )
{
/* Remap as described above. */
uxLED = partstRX_CHAR_LED;
}
/* Adjust the LED value to map to the port pins actually being used,
then write the required value to the port. */
uxLED += partstFIRST_LED_BIT;
GPIO_BitWrite( GPIO1, uxLED, !xValue );
}
/*-----------------------------------------------------------*/
void vParTestToggleLED( unsigned portBASE_TYPE uxLED )
{
if( uxLED == partstCOM_TEST_LED )
{
/* Remap as described above. */
uxLED = partstRX_CHAR_LED;
}
/* Adjust the LED value to map to the port pins actually being used,
then write the opposite value to the current state to the port pin. */
uxLED += partstFIRST_LED_BIT;
GPIO_BitWrite(GPIO1, uxLED, ~GPIO_BitRead( GPIO1, uxLED ) );
}