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140 lines
5.0 KiB
C
140 lines
5.0 KiB
C
/*
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FreeRTOS V7.0.2 - Copyright (C) 2011 Real Time Engineers Ltd.
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***************************************************************************
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* *
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* FreeRTOS tutorial books are available in pdf and paperback. *
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* Complete, revised, and edited pdf reference manuals are also *
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* available. *
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* *
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* Purchasing FreeRTOS documentation will not only help you, by *
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* ensuring you get running as quickly as possible and with an *
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* in-depth knowledge of how to use FreeRTOS, it will also help *
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* the FreeRTOS project to continue with its mission of providing *
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* professional grade, cross platform, de facto standard solutions *
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* for microcontrollers - completely free of charge! *
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* *
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* >>> See http://www.FreeRTOS.org/Documentation for details. <<< *
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* *
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* Thank you for using FreeRTOS, and thank you for your support! *
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* *
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***************************************************************************
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This file is part of the FreeRTOS distribution.
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FreeRTOS is free software; you can redistribute it and/or modify it under
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the terms of the GNU General Public License (version 2) as published by the
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Free Software Foundation AND MODIFIED BY the FreeRTOS exception.
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>>>NOTE<<< The modification to the GPL is included to allow you to
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distribute a combined work that includes FreeRTOS without being obliged to
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provide the source code for proprietary components outside of the FreeRTOS
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kernel. FreeRTOS is distributed in the hope that it will be useful, but
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WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
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or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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more details. You should have received a copy of the GNU General Public
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License and the FreeRTOS license exception along with FreeRTOS; if not it
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can be viewed here: http://www.freertos.org/a00114.html and also obtained
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by writing to Richard Barry, contact details for whom are available on the
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FreeRTOS WEB site.
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1 tab == 4 spaces!
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http://www.FreeRTOS.org - Documentation, latest information, license and
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contact details.
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http://www.SafeRTOS.com - A version that is certified for use in safety
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critical systems.
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http://www.OpenRTOS.com - Commercial support, development, porting,
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licensing and training services.
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*/
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/*
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Changes from V3.0.0
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+ Added functionality to only call vTaskSwitchContext() once
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when handling multiple interruptsources in a single interruptcall.
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+ Included Filenames changed to a .c extension to allow stepping through
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code using F7.
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Changes from V3.0.1
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*/
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#include <pic.h>
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/* Scheduler include files. */
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#include <FreeRTOS.h>
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#include <task.h>
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#include <queue.h>
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static bit uxSwitchRequested;
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/*
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* Vector for the ISR.
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*/
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void pointed Interrupt()
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{
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/*
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* Save the context of the current task.
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*/
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portSAVE_CONTEXT( portINTERRUPTS_FORCED );
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/*
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* No contextswitch requested yet
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*/
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uxSwitchRequested = pdFALSE;
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/*
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* Was the interrupt the FreeRTOS SystemTick?
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*/
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#include <libFreeRTOS/Drivers/Tick/isrTick.c>
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/*******************************************************************************
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** DO NOT MODIFY ANYTHING ABOVE THIS LINE
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********************************************************************************
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** Enter the includes for the ISR-code of the FreeRTOS drivers below.
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**
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** You cannot use local variables. Alternatives are:
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** - Use static variables (Global RAM usage increases)
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** - Call a function (Additional cycles are needed)
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** - Use unused SFR's (preferred, no additional overhead)
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** See "../Serial/isrSerialTx.c" for an example of this last option
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*******************************************************************************/
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/*
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* Was the interrupt a byte being received?
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*/
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#include "../Serial/isrSerialRx.c"
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/*
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* Was the interrupt the Tx register becoming empty?
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*/
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#include "../Serial/isrSerialTx.c"
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/*******************************************************************************
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** DO NOT MODIFY ANYTHING BELOW THIS LINE
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*******************************************************************************/
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/*
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* Was a contextswitch requested by one of the
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* interrupthandlers?
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*/
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if ( uxSwitchRequested )
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{
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vTaskSwitchContext();
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}
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/*
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* Restore the context of the (possibly other) task.
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*/
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portRESTORE_CONTEXT();
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#pragma asmline retfie 0
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}
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