mem_manager.h

#ifndef __MEM_MANAGER_H__
#define __MEM_MANAGER_H__

#include "c_types.h"

/*------------------------±äÁ¿¶¨Òå------------------------*/

#define MPU_WRAPPERS_INCLUDED_FROM_API_FILE
#ifndef IOT_SIP_MODE
//#define configTOTAL_HEAP_SIZE         ( ( size_t ) ( 0x3fffc000 - (uint32)&_heap_start ) )//fix 16000 to 24000 on 14.2.26
#else
#define configTOTAL_HEAP_SIZE           ( ( size_t ) ( 8000 ) )
#endif
#define portBYTE_ALIGNMENT          8
#define pdFALSE 0
#define pdTRUE  1

#undef MPU_WRAPPERS_INCLUDED_FROM_API_FILE
#if portBYTE_ALIGNMENT == 8
    #define portBYTE_ALIGNMENT_MASK ( 0x0007 )
#endif

#if portBYTE_ALIGNMENT == 4
    #define portBYTE_ALIGNMENT_MASK ( 0x0003 )
#endif

#if portBYTE_ALIGNMENT == 2
    #define portBYTE_ALIGNMENT_MASK ( 0x0001 )
#endif

#if portBYTE_ALIGNMENT == 1
    #define portBYTE_ALIGNMENT_MASK ( 0x0000 )
#endif

#ifndef portBYTE_ALIGNMENT_MASK
    #error "Invalid portBYTE_ALIGNMENT definition"
#endif

#define configUSE_MALLOC_FAILED_HOOK    1
#define portPOINTER_SIZE_TYPE unsigned int

#define heapMINIMUM_BLOCK_SIZE  ( ( size_t ) ( heapSTRUCT_SIZE * 2 ) )

//#define configADJUSTED_HEAP_SIZE  ( configTOTAL_HEAP_SIZE - portBYTE_ALIGNMENT )

//static unsigned char ucHeap[ configTOTAL_HEAP_SIZE ];
//static unsigned char *ucHeap;

typedef struct A_BLOCK_LINK
{
    struct A_BLOCK_LINK *pxNextFreeBlock;   //The next free block in the list. 
    size_t xBlockSize;                      //The size of the free block. 
} xBlockLink;

static const unsigned short heapSTRUCT_SIZE = ( sizeof( xBlockLink ) + portBYTE_ALIGNMENT - ( sizeof( xBlockLink ) % portBYTE_ALIGNMENT ) );

//static const size_t xTotalHeapSize = ( ( size_t ) configADJUSTED_HEAP_SIZE ) & ( ( size_t ) ~portBYTE_ALIGNMENT_MASK );

//static xBlockLink xStart, *pxEnd = NULL;

//static size_t xFreeBytesRemaining = ( ( size_t ) configADJUSTED_HEAP_SIZE ) & ( ( size_t ) ~portBYTE_ALIGNMENT_MASK );


/*------------------------º¯ÊýÉùÃ÷-----------------------------------*/

//static void prvInsertBlockIntoFreeList( xBlockLink *pxBlockToInsert ) ;//ICACHE_FLASH_ATTR;

//static void prvHeapInit( void ) ;//ICACHE_FLASH_ATTR;

void vApplicationMallocFailedHook( void ) ;//ICACHE_FLASH_ATTR;

void *pvPortMalloc( size_t xWantedSize ) ;//ICACHE_FLASH_ATTR;

void vPortFree( void *pv ) ;//ICACHE_FLASH_ATTR;

size_t xPortGetFreeHeapSize( void ) ;//ICACHE_FLASH_ATTR;

void vPortInitialiseBlocks( void ) ;//ICACHE_FLASH_ATTR;
/*-----------------------------------------------------------*/

#endif