/* | |
FreeRTOS.org V5.1.2 - Copyright (C) 2003-2009 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. | |
*************************************************************************** | |
*************************************************************************** | |
* * | |
* Get the FreeRTOS eBook! See http://www.FreeRTOS.org/Documentation * | |
* * | |
* This is a concise, step by step, 'hands on' guide that describes both * | |
* general multitasking concepts and FreeRTOS specifics. It presents and * | |
* explains numerous examples that are written using the FreeRTOS API. * | |
* Full source code for all the examples is provided in an accompanying * | |
* .zip file. * | |
* * | |
*************************************************************************** | |
*************************************************************************** | |
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. | |
*/ | |
/*----------------------------------------------------------- | |
* Simple parallel port IO routines. | |
*-----------------------------------------------------------*/ | |
/* FreeRTOS includes. */ | |
#include "FreeRTOS.h" | |
#include "task.h" | |
/* Demo includes. */ | |
#include "partest.h" | |
#define partstTOTAL_NUM_LEDs 16 | |
#define partstNUM_LEDs_PER_DISPLAY 8 | |
volatile unsigned char *pucDisplayOutput[ 2 ] = { ( unsigned portCHAR * ) 3, ( unsigned portCHAR * ) 5 }; | |
void vParTestInitialise( void ) | |
{ | |
/* In this case all the initialisation is performed in prvSetupHardware() | |
in main.c. */ | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestSetLED( unsigned portBASE_TYPE uxLED, signed portBASE_TYPE xValue ) | |
{ | |
unsigned portBASE_TYPE uxLEDMask = 0x01; | |
if( uxLED < partstNUM_LEDs_PER_DISPLAY ) | |
{ | |
uxLEDMask <<= uxLED; | |
taskENTER_CRITICAL(); | |
{ | |
if( xValue ) | |
{ | |
*pucDisplayOutput[ 0 ] &= ~uxLEDMask; | |
} | |
else | |
{ | |
*pucDisplayOutput[ 0 ] |= uxLEDMask; | |
} | |
} | |
taskEXIT_CRITICAL(); | |
} | |
else if( uxLED < partstTOTAL_NUM_LEDs ) | |
{ | |
uxLED -= partstNUM_LEDs_PER_DISPLAY; | |
uxLEDMask <<= uxLED; | |
taskENTER_CRITICAL(); | |
{ | |
if( xValue ) | |
{ | |
*pucDisplayOutput[ 1 ] &= ~uxLEDMask; | |
} | |
else | |
{ | |
*pucDisplayOutput[ 1 ] |= uxLEDMask; | |
} | |
} | |
taskEXIT_CRITICAL(); | |
} | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestToggleLED( unsigned portBASE_TYPE uxLED ) | |
{ | |
unsigned portBASE_TYPE uxLEDMask = 0x01; | |
if( uxLED < partstNUM_LEDs_PER_DISPLAY ) | |
{ | |
uxLEDMask <<= uxLED; | |
taskENTER_CRITICAL(); | |
{ | |
if( *pucDisplayOutput[ 0 ] & uxLEDMask ) | |
{ | |
*pucDisplayOutput[ 0 ] &= ~uxLEDMask; | |
} | |
else | |
{ | |
*pucDisplayOutput[ 0 ] |= uxLEDMask; | |
} | |
} | |
taskEXIT_CRITICAL(); | |
} | |
else if( uxLED < partstTOTAL_NUM_LEDs ) | |
{ | |
uxLED -= partstNUM_LEDs_PER_DISPLAY; | |
uxLEDMask <<= uxLED; | |
taskENTER_CRITICAL(); | |
{ | |
if( *pucDisplayOutput[ 1 ] & uxLEDMask ) | |
{ | |
*pucDisplayOutput[ 1 ] &= ~uxLEDMask; | |
} | |
else | |
{ | |
*pucDisplayOutput[ 1 ] |= uxLEDMask; | |
} | |
} | |
taskEXIT_CRITICAL(); | |
} | |
} | |