heap_2.c File Reference

Data Structures
struct	BlockLink_t

Macros
#define	MPU_WRAPPERS_INCLUDED_FROM_API_FILE
#define	configADJUSTED_HEAP_SIZE
#define	heapMINIMUM_BLOCK_SIZE
#define	prvInsertBlockIntoFreeList(pxBlockToInsert)

Functions
static void	prvHeapInit (void)
void *	pvPortMalloc (size_t xWantedSize)
void	vPortFree (void *pv)
size_t	xPortGetFreeHeapSize (void)
void	vPortInitialiseBlocks (void)

Variables
static uint8_t	ucHeap [configTOTAL_HEAP_SIZE]
static const uint16_t	heapSTRUCT_SIZE
static BlockLink_t	xStart
static BlockLink_t	xEnd
static size_t	xFreeBytesRemaining

Macro Definition Documentation

#define configADJUSTED_HEAP_SIZE

Referenced by prvHeapInit(), and pvPortMalloc().

#define heapMINIMUM_BLOCK_SIZE

Referenced by pvPortMalloc().

#define MPU_WRAPPERS_INCLUDED_FROM_API_FILE

#define prvInsertBlockIntoFreeList

(

pxBlockToInsert

)

Referenced by pvPortMalloc(), and vPortFree().

Function Documentation

static void prvHeapInit ( void  )

static

References configADJUSTED_HEAP_SIZE, portBYTE_ALIGNMENT, portPOINTER_SIZE_TYPE, BlockLink_t::pxNextFreeBlock, ucHeap, BlockLink_t::xBlockSize, and xEnd.

Referenced by pvPortMalloc().

void* pvPortMalloc

(

size_t

xWantedSize

)

References configADJUSTED_HEAP_SIZE, heapMINIMUM_BLOCK_SIZE, heapSTRUCT_SIZE, pdFALSE, pdTRUE, portBYTE_ALIGNMENT, prvHeapInit(), prvInsertBlockIntoFreeList, BlockLink_t::pxNextFreeBlock, traceMALLOC, vTaskSuspendAll(), BlockLink_t::xBlockSize, xStart, and xTaskResumeAll().

void vPortFree

(

void *

pv

)

References heapSTRUCT_SIZE, prvInsertBlockIntoFreeList, traceFREE, vTaskSuspendAll(), BlockLink_t::xBlockSize, and xTaskResumeAll().

void vPortInitialiseBlocks

(

void

)

size_t xPortGetFreeHeapSize

(

void

)

References xFreeBytesRemaining.

Variable Documentation

const uint16_t heapSTRUCT_SIZE

static

Referenced by pvPortMalloc(), and vPortFree().

uint8_t ucHeap[configTOTAL_HEAP_SIZE]

static

Referenced by prvHeapInit().

BlockLink_t xEnd

static

Referenced by prvHeapInit().

size_t xFreeBytesRemaining

static

Referenced by xPortGetFreeHeapSize().

BlockLink_t xStart

static

Referenced by pvPortMalloc().