/* | |
FreeRTOS V7.0.0 - Copyright (C) 2011 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! | |
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 V3.0.0 | |
+ Added functionality to only call vTaskSwitchContext() once | |
when handling multiple interruptsources in a single interruptcall. | |
+ Included Filenames changed to a .c extension to allow stepping through | |
code using F7. | |
Changes from V3.0.1 | |
*/ | |
#include <pic.h> | |
/* Scheduler include files. */ | |
#include <FreeRTOS.h> | |
#include <task.h> | |
#include <queue.h> | |
static bit uxSwitchRequested; | |
/* | |
* Vector for the ISR. | |
*/ | |
void pointed Interrupt() | |
{ | |
/* | |
* Save the context of the current task. | |
*/ | |
portSAVE_CONTEXT( portINTERRUPTS_FORCED ); | |
/* | |
* No contextswitch requested yet | |
*/ | |
uxSwitchRequested = pdFALSE; | |
/* | |
* Was the interrupt the FreeRTOS SystemTick? | |
*/ | |
#include <libFreeRTOS/Drivers/Tick/isrTick.c> | |
/******************************************************************************* | |
** DO NOT MODIFY ANYTHING ABOVE THIS LINE | |
******************************************************************************** | |
** Enter the includes for the ISR-code of the FreeRTOS drivers below. | |
** | |
** You cannot use local variables. Alternatives are: | |
** - Use static variables (Global RAM usage increases) | |
** - Call a function (Additional cycles are needed) | |
** - Use unused SFR's (preferred, no additional overhead) | |
** See "../Serial/isrSerialTx.c" for an example of this last option | |
*******************************************************************************/ | |
/* | |
* Was the interrupt a byte being received? | |
*/ | |
#include "../Serial/isrSerialRx.c" | |
/* | |
* Was the interrupt the Tx register becoming empty? | |
*/ | |
#include "../Serial/isrSerialTx.c" | |
/******************************************************************************* | |
** DO NOT MODIFY ANYTHING BELOW THIS LINE | |
*******************************************************************************/ | |
/* | |
* Was a contextswitch requested by one of the | |
* interrupthandlers? | |
*/ | |
if ( uxSwitchRequested ) | |
{ | |
vTaskSwitchContext(); | |
} | |
/* | |
* Restore the context of the (possibly other) task. | |
*/ | |
portRESTORE_CONTEXT(); | |
#pragma asmline retfie 0 | |
} |