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Update to MIT licensed FreeRTOS V10.0.0 - see https://www.freertos.org/History.txt
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1862 changed files with 68735 additions and 205558 deletions
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@ -1,71 +1,30 @@
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/*
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FreeRTOS V9.0.1 - Copyright (C) 2017 Real Time Engineers Ltd.
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All rights reserved
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VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION.
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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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***************************************************************************
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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 !<<
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>>! obliged to provide the source code for proprietary components !<<
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>>! outside of the FreeRTOS kernel. !<<
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***************************************************************************
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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 on the following
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link: http://www.freertos.org/a00114.html
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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 is more than just the market leader, it *
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* is the industry's de facto standard. *
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* *
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* Help yourself get started quickly while simultaneously helping *
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* to support the FreeRTOS project by purchasing a FreeRTOS *
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* tutorial book, reference manual, or both: *
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* http://www.FreeRTOS.org/Documentation *
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* *
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***************************************************************************
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http://www.FreeRTOS.org/FAQHelp.html - Having a problem? Start by reading
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the FAQ page "My application does not run, what could be wrong?". Have you
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defined configASSERT()?
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http://www.FreeRTOS.org/support - In return for receiving this top quality
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embedded software for free we request you assist our global community by
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participating in the support forum.
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http://www.FreeRTOS.org/training - Investing in training allows your team to
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be as productive as possible as early as possible. Now you can receive
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FreeRTOS training directly from Richard Barry, CEO of Real Time Engineers
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Ltd, and the world's leading authority on the world's leading RTOS.
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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.FreeRTOS.org/labs - Where new FreeRTOS products go to incubate.
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Come and try FreeRTOS+TCP, our new open source TCP/IP stack for FreeRTOS.
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http://www.OpenRTOS.com - Real Time Engineers ltd. license FreeRTOS to High
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Integrity Systems ltd. to sell under the OpenRTOS brand. Low cost OpenRTOS
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licenses offer ticketed support, indemnification and commercial 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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* FreeRTOS Kernel V10.0.0
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* Copyright (C) 2017 Amazon.com, Inc. or its affiliates. All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy of
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* this software and associated documentation files (the "Software"), to deal in
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* the Software without restriction, including without limitation the rights to
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* use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
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* the Software, and to permit persons to whom the Software is furnished to do so,
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* subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in all
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* copies or substantial portions of the Software. If you wish to use our Amazon
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* FreeRTOS name, please do so in a fair use way that does not cause confusion.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
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* FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
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* COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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* IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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* http://www.FreeRTOS.org
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* http://aws.amazon.com/freertos
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*
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* 1 tab == 4 spaces!
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*/
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/******************************************************************************
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* This project provides two demo applications. A simple blinky style project,
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@ -79,19 +38,16 @@
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* hardware setup and FreeRTOS hook functions.
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*
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*******************************************************************************
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* -NOTE- The Win32 port is a simulation (or is that emulation?) only! Do not
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* expect to get real time behaviour from the Win32 port or this demo
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* application. It is provided as a convenient development and demonstration
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* test bed only. This was tested using Windows XP on a dual core laptop.
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*
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* Windows will not be running the FreeRTOS simulator threads continuously, so
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* the timing information in the FreeRTOS+Trace logs have no meaningful units.
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* See the documentation page for the Windows simulator for an explanation of
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* the slow timing:
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* NOTE: Windows will not be running the FreeRTOS demo threads continuously, so
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* do not expect to get real time behaviour from the FreeRTOS Windows port, or
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* this demo application. Also, the timing information in the FreeRTOS+Trace
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* logs have no meaningful units. See the documentation page for the Windows
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* port for further information:
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* http://www.freertos.org/FreeRTOS-Windows-Simulator-Emulator-for-Visual-Studio-and-Eclipse-MingW.html
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* - READ THE WEB DOCUMENTATION FOR THIS PORT FOR MORE INFORMATION ON USING IT -
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*******************************************************************************
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*
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*
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*******************************************************************************
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*/
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/* Standard includes. */
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#include "FreeRTOS.h"
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#include "task.h"
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/* This project provides two demo applications. A simple blinky style project,
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and a more comprehensive test and demo application. The
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/* This project provides two demo applications. A simple blinky style demo
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application, and a more comprehensive test and demo application. The
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mainCREATE_SIMPLE_BLINKY_DEMO_ONLY setting is used to select between the two.
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The simply blinky demo is implemented and described in main_blinky.c. The more
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comprehensive test and demo application is implemented and described in
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main_full.c. */
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#define mainCREATE_SIMPLE_BLINKY_DEMO_ONLY 1
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If mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is 1 then the blinky demo will be built.
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The blinky demo is implemented and described in main_blinky.c.
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If mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is not 1 then the comprehensive test and
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demo application will be built. The comprehensive test and demo application is
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implemented and described in main_full.c. */
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#define mainCREATE_SIMPLE_BLINKY_DEMO_ONLY 0
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/* This demo uses heap_5.c, and these constants define the sizes of the regions
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that make up the total heap. This is only done to provide an example of heap_5
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being used as this demo could easily create one large heap region instead of
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multiple smaller heap regions - in which case heap_4.c would be the more
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appropriate choice. */
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#define mainREGION_1_SIZE 7001
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#define mainREGION_2_SIZE 18105
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#define mainREGION_3_SIZE 2807
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that make up the total heap. heap_5 is only used for test and example purposes
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as this demo could easily create one large heap region instead of multiple
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smaller heap regions - in which case heap_4.c would be the more appropriate
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choice. See http://www.freertos.org/a00111.html for an explanation. */
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#define mainREGION_1_SIZE 7201
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#define mainREGION_2_SIZE 29905
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#define mainREGION_3_SIZE 6407
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/*-----------------------------------------------------------*/
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/*
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* main_blinky() is used when mainCREATE_SIMPLE_BLINKY_DEMO_ONLY is set to 1.
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extern void main_full( void );
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/*
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* Some of the RTOS hook (callback) functions only need special processing when
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* the full demo is being used. The simply blinky demo has no special
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* requirements, so these functions are called from the hook functions defined
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* in this file, but are defined in main_full.c.
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* Only the comprehensive demo uses application hook (callback) functions. See
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* http://www.freertos.org/a00016.html for more information.
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*/
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void vFullDemoTickHookFunction( void );
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void vFullDemoIdleFunction( void );
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/*
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* This demo uses heap_5.c, so start by defining some heap regions. This is
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* only done to provide an example as this demo could easily create one large
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* heap region instead of multiple smaller heap regions - in which case heap_4.c
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* would be the more appropriate choice. No initialisation is required when
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* heap_4.c is used.
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* This demo uses heap_5.c, so start by defining some heap regions. It is not
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* necessary for this demo to use heap_5, as it could define one large heap
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* region. Heap_5 is only used for test and example purposes. See
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* http://www.freertos.org/a00111.html for an explanation.
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*/
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static void prvInitialiseHeap( void );
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/*
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* Prototypes for the standard FreeRTOS callback/hook functions implemented
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* within this file.
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* Prototypes for the standard FreeRTOS application hook (callback) functions
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* implemented within this file. See http://www.freertos.org/a00016.html .
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*/
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void vApplicationMallocFailedHook( void );
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void vApplicationIdleHook( void );
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int main( void )
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{
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/* This demo uses heap_5.c, so start by defining some heap regions. This
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is only done to provide an example as this demo could easily create one
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large heap region instead of multiple smaller heap regions - in which case
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heap_4.c would be the more appropriate choice. No initialisation is
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required when heap_4.c is used. */
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/* This demo uses heap_5.c, so start by defining some heap regions. heap_5
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is only used for test and example reasons. Heap_4 is more appropriate. See
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http://www.freertos.org/a00111.html for an explanation. */
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prvInitialiseHeap();
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/* Initialise the trace recorder. Use of the trace recorder is optional.
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function that will get called if a call to pvPortMalloc() fails.
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pvPortMalloc() is called internally by the kernel whenever a task, queue,
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timer or semaphore is created. It is also called by various parts of the
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demo application. If heap_1.c or heap_2.c are used, then the size of the
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heap available to pvPortMalloc() is defined by configTOTAL_HEAP_SIZE in
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FreeRTOSConfig.h, and the xPortGetFreeHeapSize() API function can be used
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to query the size of free heap space that remains (although it does not
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provide information on how the remaining heap might be fragmented). */
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demo application. If heap_1.c, heap_2.c or heap_4.c is being used, then the
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size of the heap available to pvPortMalloc() is defined by
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configTOTAL_HEAP_SIZE in FreeRTOSConfig.h, and the xPortGetFreeHeapSize()
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API function can be used to query the size of free heap space that remains
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(although it does not provide information on how the remaining heap might be
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fragmented). See http://www.freertos.org/a00111.html for more
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information. */
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vAssertCalled( __LINE__, __FILE__ );
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}
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/*-----------------------------------------------------------*/
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to 1 in FreeRTOSConfig.h. It will be called on each iteration of the idle
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task. It is essential that code added to this hook function never attempts
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to block in any way (for example, call xQueueReceive() with a block time
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specified, or call vTaskDelay()). If the application makes use of the
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vTaskDelete() API function (as this demo application does) then it is also
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important that vApplicationIdleHook() is permitted to return to its calling
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function, because it is the responsibility of the idle task to clean up
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memory allocated by the kernel to any task that has since been deleted. */
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specified, or call vTaskDelay()). If application tasks make use of the
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vTaskDelete() API function to delete themselves then it is also important
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that vApplicationIdleHook() is permitted to return to its calling function,
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because it is the responsibility of the idle task to clean up memory
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allocated by the kernel to any task that has since deleted itself. */
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/* Uncomment the following code to allow the trace to be stopped with any
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/* Uncomment the following code to allow the trace to be stopped with any
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key press. The code is commented out by default as the kbhit() function
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interferes with the run time behaviour. */
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/*
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/* Run time stack overflow checking is performed if
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configCHECK_FOR_STACK_OVERFLOW is defined to 1 or 2. This hook
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function is called if a stack overflow is detected. */
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function is called if a stack overflow is detected. This function is
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provided as an example only as stack overflow checking does not function
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when running the FreeRTOS Windows port. */
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vAssertCalled( __LINE__, __FILE__ );
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}
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/*-----------------------------------------------------------*/
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}
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/*-----------------------------------------------------------*/
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void vApplicationDaemonTaskStartupHook( void )
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{
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/* This function will be called once only, when the daemon task starts to
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execute (sometimes called the timer task). This is useful if the
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application includes initialisation code that would benefit from executing
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after the scheduler has been started. */
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}
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/*-----------------------------------------------------------*/
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void vAssertCalled( unsigned long ulLine, const char * const pcFileName )
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{
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static BaseType_t xPrinted = pdFALSE;
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volatile uint32_t ulSetToNonZeroInDebuggerToContinue = 0;
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/* Called if an assertion passed to configASSERT() fails. See
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http://www.freertos.org/a00110.html#configASSERT for more information. */
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/* Parameters are not used. */
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( void ) ulLine;
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( void ) pcFileName;
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taskENTER_CRITICAL();
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{
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/* Stop the trace recording. */
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static void prvInitialiseHeap( void )
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{
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/* This demo uses heap_5.c, so start by defining some heap regions. This is
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only done to provide an example as this demo could easily create one large heap
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region instead of multiple smaller heap regions - in which case heap_4.c would
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be the more appropriate choice. No initialisation is required when heap_4.c is
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used. The xHeapRegions structure requires the regions to be defined in order,
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so this just creates one big array, then populates the structure with offsets
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into the array - with gaps in between and messy alignment just for test
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/* The Windows demo could create one large heap region, in which case it would
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be appropriate to use heap_4. However, purely for demonstration purposes,
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heap_5 is used instead, so start by defining some heap regions. No
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initialisation is required when any other heap implementation is used. See
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http://www.freertos.org/a00111.html for more information.
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The xHeapRegions structure requires the regions to be defined in start address
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order, so this just creates one big array, then populates the structure with
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offsets into the array - with gaps in between and messy alignment just for test
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purposes. */
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static uint8_t ucHeap[ configTOTAL_HEAP_SIZE ];
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volatile uint32_t ulAdditionalOffset = 19; /* Just to prevent 'condition is always true' warnings in configASSERT(). */
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array. */
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configASSERT( ( ulAdditionalOffset + mainREGION_1_SIZE + mainREGION_2_SIZE + mainREGION_3_SIZE ) < configTOTAL_HEAP_SIZE );
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/* Prevent compiler warnings when configASSERT() is not defined. */
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( void ) ulAdditionalOffset;
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vPortDefineHeapRegions( xHeapRegions );
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}
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/*-----------------------------------------------------------*/
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