/* | |
FreeRTOS.org V5.3.0 - 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 (version 2) as published | |
by the Free Software Foundation and modified by the FreeRTOS exception. | |
**NOTE** The exception to the GPL is included to allow you to distribute a | |
combined work that includes FreeRTOS.org without being obliged to provide | |
the source code for any proprietary components. Alternative commercial | |
license and support terms are also available upon request. See the | |
licensing section of http://www.FreeRTOS.org for full details. | |
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. | |
*************************************************************************** | |
* * | |
* 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. * | |
* * | |
*************************************************************************** | |
1 tab == 4 spaces! | |
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(); | |
} | |