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/*
FreeRTOS.org V5.2.0 - 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.
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 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. See the licensing section
of http://www.FreeRTOS.org for full details.
***************************************************************************
* *
* 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 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
}
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