/* | |
FreeRTOS V7.1.1 - Copyright (C) 2012 Real Time Engineers Ltd. | |
*************************************************************************** | |
* * | |
* FreeRTOS tutorial books are available in pdf and paperback. * | |
* Complete, revised, and edited pdf reference manuals are also * | |
* available. * | |
* * | |
* Purchasing FreeRTOS documentation will not only help you, by * | |
* ensuring you get running as quickly as possible and with an * | |
* in-depth knowledge of how to use FreeRTOS, it will also help * | |
* the FreeRTOS project to continue with its mission of providing * | |
* professional grade, cross platform, de facto standard solutions * | |
* for microcontrollers - completely free of charge! * | |
* * | |
* >>> See http://www.FreeRTOS.org/Documentation for details. <<< * | |
* * | |
* Thank you for using FreeRTOS, and thank you for your support! * | |
* * | |
*************************************************************************** | |
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 (version 2) as published by the | |
Free Software Foundation AND MODIFIED BY the FreeRTOS exception. | |
>>>NOTE<<< The modification to the GPL is included to allow you to | |
distribute a combined work that includes FreeRTOS without being obliged to | |
provide the source code for proprietary components outside of the FreeRTOS | |
kernel. 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 and the FreeRTOS license exception along with FreeRTOS; if not it | |
can be viewed here: http://www.freertos.org/a00114.html and also obtained | |
by writing to Richard Barry, contact details for whom are available on the | |
FreeRTOS WEB site. | |
1 tab == 4 spaces! | |
*************************************************************************** | |
* * | |
* Having a problem? Start by reading the FAQ "My application does * | |
* not run, what could be wrong? * | |
* * | |
* http://www.FreeRTOS.org/FAQHelp.html * | |
* * | |
*************************************************************************** | |
http://www.FreeRTOS.org - Documentation, training, latest information, | |
license and contact details. | |
http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, | |
including FreeRTOS+Trace - an indispensable productivity tool. | |
Real Time Engineers ltd license FreeRTOS to High Integrity Systems, who sell | |
the code with commercial support, indemnification, and middleware, under | |
the OpenRTOS brand: http://www.OpenRTOS.com. High Integrity Systems also | |
provide a safety engineered and independently SIL3 certified version under | |
the SafeRTOS brand: http://www.SafeRTOS.com. | |
*/ | |
/* | |
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 short ) 0 ) | |
#define partstSET_OUTPUT ( ( unsigned short ) 1 ) | |
#define partstCLEAR_OUTPUT ( ( unsigned short ) 0 ) | |
#define partstENABLE_GENERAL_IO ( ( unsigned char ) 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 = ( short ) xValue; | |
break; | |
case 2 : PORTDbits.RD6 = ( short ) xValue; | |
break; | |
case 1 : PORTDbits.RD5 = ( short ) xValue; | |
break; | |
case 0 : PORTDbits.RD4 = ( short ) 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(); | |
} | |