From a6163888f3c56123b1db313743c6147ba498732c Mon Sep 17 00:00:00 2001 From: Yuval Adam Date: Fri, 8 Aug 2014 14:42:07 +0300 Subject: Add third_party libs --- .../Demo/CORTEX_LM3S811_KEIL/heap/heap_1.c | 137 +++++++++++++++++++++ 1 file changed, 137 insertions(+) create mode 100644 third_party/FreeRTOS/Demo/CORTEX_LM3S811_KEIL/heap/heap_1.c (limited to 'third_party/FreeRTOS/Demo/CORTEX_LM3S811_KEIL/heap') diff --git a/third_party/FreeRTOS/Demo/CORTEX_LM3S811_KEIL/heap/heap_1.c b/third_party/FreeRTOS/Demo/CORTEX_LM3S811_KEIL/heap/heap_1.c new file mode 100644 index 0000000..8224dde --- /dev/null +++ b/third_party/FreeRTOS/Demo/CORTEX_LM3S811_KEIL/heap/heap_1.c @@ -0,0 +1,137 @@ +/* + FreeRTOS V7.6.0 - Copyright (C) 2013 Real Time Engineers Ltd. + All rights reserved + + VISIT http://www.FreeRTOS.org TO ENSURE YOU ARE USING THE LATEST VERSION. + + *************************************************************************** + * * + * FreeRTOS provides completely free yet professionally developed, * + * robust, strictly quality controlled, supported, and cross * + * platform software that has become a de facto standard. * + * * + * Help yourself get started quickly and support the FreeRTOS * + * project by purchasing a FreeRTOS tutorial book, reference * + * manual, or both from: http://www.FreeRTOS.org/Documentation * + * * + * Thank you! * + * * + *************************************************************************** + + This file is part of the FreeRTOS distribution. + + FreeRTOS 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. + + >>! NOTE: The modification to the GPL is included to allow you to distribute + >>! a combined work that includes FreeRTOS without being obliged to provide + >>! the source code for proprietary components outside of the FreeRTOS + >>! kernel. + + FreeRTOS 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. Full license text is available from the following + link: http://www.freertos.org/a00114.html + + 1 tab == 4 spaces! + + *************************************************************************** + * * + * Having a problem? Start by reading the FAQ "My application does * + * not run, what could be wrong?" * + * * + * http://www.FreeRTOS.org/FAQHelp.html * + * * + *************************************************************************** + + http://www.FreeRTOS.org - Documentation, books, training, latest versions, + license and Real Time Engineers Ltd. contact details. + + http://www.FreeRTOS.org/plus - A selection of FreeRTOS ecosystem products, + including FreeRTOS+Trace - an indispensable productivity tool, a DOS + compatible FAT file system, and our tiny thread aware UDP/IP stack. + + http://www.OpenRTOS.com - Real Time Engineers ltd license FreeRTOS to High + Integrity Systems to sell under the OpenRTOS brand. Low cost OpenRTOS + licenses offer ticketed support, indemnification and middleware. + + http://www.SafeRTOS.com - High Integrity Systems also provide a safety + engineered and independently SIL3 certified version for use in safety and + mission critical applications that require provable dependability. + + 1 tab == 4 spaces! +*/ + + + +/* + * The simplest possible implementation of pvPortMalloc(). Note that this + * implementation does NOT allow allocated memory to be freed again. + * + * See heap_2.c and heap_3.c for alternative implementations, and the memory + * management pages of http://www.FreeRTOS.org for more information. + */ +#include +#include "FreeRTOS.h" +#include "task.h" + + +/* Allocate the memory for the heap. The struct is used to force byte +alignment without using any non-portable code. */ +extern struct xRTOS_HEAP +{ + unsigned long ulDummy; + unsigned char ucHeap[ configTOTAL_HEAP_SIZE ]; +} xHeap; + +static size_t xNextFreeByte = ( size_t ) 0; +/*-----------------------------------------------------------*/ + +void *pvPortMalloc( size_t xWantedSize ) +{ +void *pvReturn = NULL; + + /* Ensure that blocks are always aligned to the required number of bytes. */ + #if portBYTE_ALIGNMENT != 1 + if( xWantedSize & portBYTE_ALIGNMENT_MASK ) + { + /* Byte alignment required. */ + xWantedSize += ( portBYTE_ALIGNMENT - ( xWantedSize & portBYTE_ALIGNMENT_MASK ) ); + } + #endif + + vTaskSuspendAll(); + { + /* Check there is enough room left for the allocation. */ + if( ( ( xNextFreeByte + xWantedSize ) < configTOTAL_HEAP_SIZE ) && + ( ( xNextFreeByte + xWantedSize ) > xNextFreeByte ) )/* Check for overflow. */ + { + /* Return the next free byte then increment the index past this + block. */ + pvReturn = &( xHeap.ucHeap[ xNextFreeByte ] ); + xNextFreeByte += xWantedSize; + } + } + xTaskResumeAll(); + + return pvReturn; +} +/*-----------------------------------------------------------*/ + +void vPortFree( void *pv ) +{ + /* Memory cannot be freed using this scheme. See heap_2.c and heap_3.c + for alternative implementations, and the memory management pages of + http://www.FreeRTOS.org for more information. */ + ( void ) pv; +} +/*-----------------------------------------------------------*/ + +void vPortInitialiseBlocks( void ) +{ + /* Only required when static memory is not cleared. */ + xNextFreeByte = ( size_t ) 0; +} + + -- cgit v1.3.1