/* | |
FreeRTOS.org V5.1.0 - 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. | |
*************************************************************************** | |
*************************************************************************** | |
* * | |
* SAVE TIME AND MONEY! We can port FreeRTOS.org to your own hardware, * | |
* and even write all or part of your application on your behalf. * | |
* See http://www.OpenRTOS.com for details of the services we provide to * | |
* expedite your project. * | |
* * | |
*************************************************************************** | |
*************************************************************************** | |
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. | |
*/ | |
/* Scheduler include files. */ | |
#include "FreeRTOS.h" | |
#include "portable.h" | |
/* Demo application include files. */ | |
#include "partest.h" | |
/*----------------------------------------------------------- | |
* Simple parallel port IO routines. | |
* | |
* This is for the demo application which uses port 2 for LED outputs. | |
*-----------------------------------------------------------*/ | |
/* Value for the LED to be off. */ | |
#define partstLED_OUTPUTS ( ( unsigned portCHAR ) 0xff ) | |
/* P2.0 is not used as an output so there are only 7 LEDs on port 2. */ | |
#define partstMAX_LEDs ( 7 ) | |
#define partstALL_OUTPUTS_OFF ( ( unsigned portCHAR ) 0 ) | |
/* Maps the LED outputs used by the standard demo application files to | |
convenient outputs for the EDK2329. Mainly this insures that the LED | |
used by the Check task is one of the on board LEDs so the demo can be | |
executed on an EDK without any modification. */ | |
static inline unsigned portCHAR prvMapLED( unsigned portBASE_TYPE uxLED ); | |
/*-----------------------------------------------------------*/ | |
void vParTestInitialise( void ) | |
{ | |
/* LED's are connected to port 2. P2.1 and P2.2 are built onto the EDK. | |
P2.3 to P2.7 are soldered onto the expansion port. */ | |
P2DDR = partstLED_OUTPUTS; | |
P2DR = partstALL_OUTPUTS_OFF; | |
} | |
/*-----------------------------------------------------------*/ | |
/* | |
* Described at the top of the file. | |
*/ | |
static inline unsigned portCHAR prvMapLED( unsigned portBASE_TYPE uxLED ) | |
{ | |
switch( uxLED ) | |
{ | |
case 0 : return ( unsigned portCHAR ) 2; | |
case 1 : return ( unsigned portCHAR ) 3; | |
case 2 : return ( unsigned portCHAR ) 4; | |
case 3 : return ( unsigned portCHAR ) 5; | |
case 4 : return ( unsigned portCHAR ) 6; | |
case 5 : return ( unsigned portCHAR ) 0; | |
case 6 : return ( unsigned portCHAR ) 1; | |
default : return 0; | |
} | |
} | |
/*-----------------------------------------------------------*/ | |
/* | |
* Turn an LED on or off. | |
*/ | |
void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue ) | |
{ | |
unsigned portCHAR ucLED; | |
if( uxLED < partstMAX_LEDs ) | |
{ | |
ucLED = prvMapLED( uxLED ); | |
/* Set a bit in the required LED position. LED 0 is bit 1. */ | |
ucLED = ( unsigned portCHAR ) 1 << ( ucLED + 1 ); | |
if( xValue ) | |
{ | |
portENTER_CRITICAL(); | |
P2DR |= ucLED; | |
portEXIT_CRITICAL(); | |
} | |
else | |
{ | |
portENTER_CRITICAL(); | |
P2DR &= ~ucLED; | |
portEXIT_CRITICAL(); | |
} | |
} | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestToggleLED( unsigned portBASE_TYPE uxLED ) | |
{ | |
unsigned portCHAR ucLED; | |
if( uxLED < partstMAX_LEDs ) | |
{ | |
ucLED = prvMapLED( uxLED ); | |
/* Set a bit in the required LED position. LED 0 is bit 1. */ | |
ucLED = ( unsigned portCHAR ) 1 << ( ucLED + 1 ); | |
portENTER_CRITICAL(); | |
{ | |
if( P2DR & ucLED ) | |
{ | |
P2DR &= ~ucLED; | |
} | |
else | |
{ | |
P2DR |= ucLED; | |
} | |
} | |
portEXIT_CRITICAL(); | |
} | |
} | |