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/*
FreeRTOS.org V5.1.2 - 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 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.
***************************************************************************
***************************************************************************
* *
* 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. *
* *
***************************************************************************
***************************************************************************
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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