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151 lines
5.6 KiB
C
151 lines
5.6 KiB
C
/*
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FreeRTOS V7.5.0 - Copyright (C) 2013 Real Time Engineers Ltd.
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VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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***************************************************************************
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* *
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* FreeRTOS provides completely free yet professionally developed, *
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* robust, strictly quality controlled, supported, and cross *
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* platform software that has become a de facto standard. *
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* *
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* Help yourself get started quickly and support the FreeRTOS *
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* project by purchasing a FreeRTOS tutorial book, reference *
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* manual, or both from: http://www.FreeRTOS.org/Documentation *
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* *
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* Thank you! *
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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 distribute
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>>! a combined work that includes FreeRTOS without being obliged to provide
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>>! the source code for proprietary components outside of the FreeRTOS
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>>! kernel.
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FreeRTOS is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. Full license text is available from the following
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link: http://www.freertos.org/a00114.html
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1 tab == 4 spaces!
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***************************************************************************
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* *
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* Having a problem? Start by reading the FAQ "My application does *
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* not run, what could be wrong?" *
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* *
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* http://www.FreeRTOS.org/FAQHelp.html *
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* *
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***************************************************************************
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http://www.FreeRTOS.org - Documentation, books, training, latest versions,
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license and Real Time Engineers Ltd. contact details.
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http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products,
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including FreeRTOS+Trace - an indispensable productivity tool, a DOS
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compatible FAT file system, and our tiny thread aware UDP/IP stack.
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http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High
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Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS
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licenses offer ticketed support, indemnification and middleware.
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http://www.SafeRTOS.com - High Integrity Systems also provide a safety
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engineered and independently SIL3 certified version for use in safety and
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mission critical applications that require provable dependability.
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1 tab == 4 spaces!
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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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