heap_4.c File Reference

#include <stdlib.h>
#include "FreeRTOS.h"
#include "task.h"

Include dependency graph for heap_4.c:

Go to the source code of this file.

Classes
struct	A_BLOCK_LINK

Macros
#define	heapBITS_PER_BYTE   ( ( size_t ) 8 )
#define	heapMINIMUM_BLOCK_SIZE   ( ( size_t ) ( xHeapStructSize << 1 ) )
#define	MPU_WRAPPERS_INCLUDED_FROM_API_FILE

Typedefs
typedef struct A_BLOCK_LINK	BlockLink_t

Functions
static void	prvHeapInit (void)
static void	prvInsertBlockIntoFreeList (BlockLink_t *pxBlockToInsert)
void *	pvPortMalloc (size_t xWantedSize)
void	vPortFree (void *pv)
void	vPortInitialiseBlocks (void)
size_t	xPortGetFreeHeapSize (void)
size_t	xPortGetMinimumEverFreeHeapSize (void)

Variables
static BlockLink_t *	pxEnd = NULL
static uint8_t	ucHeap [configTOTAL_HEAP_SIZE]
static size_t	xBlockAllocatedBit = 0
static size_t	xFreeBytesRemaining = 0U
static const size_t	xHeapStructSize = ( sizeof( BlockLink_t ) + ( ( size_t ) ( portBYTE_ALIGNMENT - 1 ) ) ) & ~( ( size_t ) portBYTE_ALIGNMENT_MASK )
static size_t	xMinimumEverFreeBytesRemaining = 0U
static BlockLink_t	xStart

Macro Definition Documentation

heapBITS_PER_BYTE

#define heapBITS_PER_BYTE   ( ( size_t ) 8 )

Definition at line 98 of file heap_4.c.

heapMINIMUM_BLOCK_SIZE

#define heapMINIMUM_BLOCK_SIZE   ( ( size_t ) ( xHeapStructSize << 1 ) )

Definition at line 95 of file heap_4.c.

MPU_WRAPPERS_INCLUDED_FROM_API_FILE

#define MPU_WRAPPERS_INCLUDED_FROM_API_FILE

Definition at line 83 of file heap_4.c.

Typedef Documentation

BlockLink_t

typedef struct A_BLOCK_LINK BlockLink_t

Function Documentation

prvHeapInit()

static void prvHeapInit ( void  )

static

Definition at line 377 of file heap_4.c.

prvInsertBlockIntoFreeList()

static void prvInsertBlockIntoFreeList ( BlockLink_t *  pxBlockToInsert )

static

Definition at line 425 of file heap_4.c.

pvPortMalloc()

void* pvPortMalloc

(

size_t

xWantedSize

)

Definition at line 155 of file heap_4.c.

vPortFree()

void vPortFree

(

void *

pv

)

Definition at line 311 of file heap_4.c.

vPortInitialiseBlocks()

void vPortInitialiseBlocks

(

void

)

Definition at line 371 of file heap_4.c.

xPortGetFreeHeapSize()

size_t xPortGetFreeHeapSize

(

void

)

Definition at line 359 of file heap_4.c.

xPortGetMinimumEverFreeHeapSize()

size_t xPortGetMinimumEverFreeHeapSize

(

void

)

Definition at line 365 of file heap_4.c.

Variable Documentation

pxEnd

BlockLink_t * pxEnd = NULL

static

Definition at line 140 of file heap_4.c.

ucHeap

uint8_t ucHeap[configTOTAL_HEAP_SIZE]

static

Definition at line 106 of file heap_4.c.

xBlockAllocatedBit

size_t xBlockAllocatedBit = 0

static

Definition at line 151 of file heap_4.c.

xFreeBytesRemaining

size_t xFreeBytesRemaining = 0U

static

Definition at line 144 of file heap_4.c.

xHeapStructSize

const size_t xHeapStructSize = ( sizeof( BlockLink_t ) + ( ( size_t ) ( portBYTE_ALIGNMENT - 1 ) ) ) & ~( ( size_t ) portBYTE_ALIGNMENT_MASK )

static

Definition at line 137 of file heap_4.c.

xMinimumEverFreeBytesRemaining

size_t xMinimumEverFreeBytesRemaining = 0U

static

Definition at line 145 of file heap_4.c.

xStart

BlockLink_t xStart

static

Definition at line 140 of file heap_4.c.