/* | |
FreeRTOS.org V5.0.4 - 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. | |
*/ | |
/* | |
Changes from V2.0.0 | |
+ Use scheduler suspends in place of critical sections. | |
*/ | |
#include "FreeRTOS.h" | |
#include "task.h" | |
#include "partest.h" | |
/*----------------------------------------------------------- | |
* Simple parallel port IO routines for the FED 40pin demo board. | |
* The four LED's are connected to D4 to D7. | |
*-----------------------------------------------------------*/ | |
#define partstBIT_AS_OUTPUT ( ( unsigned portSHORT ) 0 ) | |
#define partstSET_OUTPUT ( ( unsigned portSHORT ) 1 ) | |
#define partstCLEAR_OUTPUT ( ( unsigned portSHORT ) 0 ) | |
#define partstENABLE_GENERAL_IO ( ( unsigned portCHAR ) 7 ) | |
/*-----------------------------------------------------------*/ | |
void vParTestInitialise( void ) | |
{ | |
/* Set the top four bits of port D to output. */ | |
TRISDbits.TRISD7 = partstBIT_AS_OUTPUT; | |
TRISDbits.TRISD6 = partstBIT_AS_OUTPUT; | |
TRISDbits.TRISD5 = partstBIT_AS_OUTPUT; | |
TRISDbits.TRISD4 = partstBIT_AS_OUTPUT; | |
/* Start with all bits off. */ | |
PORTDbits.RD7 = partstCLEAR_OUTPUT; | |
PORTDbits.RD6 = partstCLEAR_OUTPUT; | |
PORTDbits.RD5 = partstCLEAR_OUTPUT; | |
PORTDbits.RD4 = partstCLEAR_OUTPUT; | |
/* Enable the driver. */ | |
ADCON1 = partstENABLE_GENERAL_IO; | |
TRISEbits.TRISE2 = partstBIT_AS_OUTPUT; | |
PORTEbits.RE2 = partstSET_OUTPUT; | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestSetLED( unsigned portBASE_TYPE uxLED, portBASE_TYPE xValue ) | |
{ | |
/* We are only using the top nibble, so LED 0 corresponds to bit 4. */ | |
vTaskSuspendAll(); | |
{ | |
switch( uxLED ) | |
{ | |
case 3 : PORTDbits.RD7 = ( portSHORT ) xValue; | |
break; | |
case 2 : PORTDbits.RD6 = ( portSHORT ) xValue; | |
break; | |
case 1 : PORTDbits.RD5 = ( portSHORT ) xValue; | |
break; | |
case 0 : PORTDbits.RD4 = ( portSHORT ) xValue; | |
break; | |
default : /* There are only 4 LED's. */ | |
break; | |
} | |
} | |
xTaskResumeAll(); | |
} | |
/*-----------------------------------------------------------*/ | |
void vParTestToggleLED( unsigned portBASE_TYPE uxLED ) | |
{ | |
/* We are only using the top nibble, so LED 0 corresponds to bit 4. */ | |
vTaskSuspendAll(); | |
{ | |
switch( uxLED ) | |
{ | |
case 3 : PORTDbits.RD7 = !( PORTDbits.RD7 ); | |
break; | |
case 2 : PORTDbits.RD6 = !( PORTDbits.RD6 ); | |
break; | |
case 1 : PORTDbits.RD5 = !( PORTDbits.RD5 ); | |
break; | |
case 0 : PORTDbits.RD4 = !( PORTDbits.RD4 ); | |
break; | |
default : /* There are only 4 LED's. */ | |
break; | |
} | |
} | |
xTaskResumeAll(); | |
} | |