73 lines
3.2 KiB
C
73 lines
3.2 KiB
C
#ifndef MMFRT4_H
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#define MMFRT4_H
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#include "memManager.h"
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#include <stddef.h>
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#include <stdint.h>
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#include "lib.h"
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#define MPU_WRAPPERS_INCLUDED_FROM_API_FILE
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#define portCHAR char
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#define portFLOAT float
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#define portDOUBLE double
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#define portLONG long
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#define portSHORT short
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#define portSTACK_TYPE uint32_t
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#define portBASE_TYPE long
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#define configSUPPORT_STATIC_ALLOCATION 1
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#define configSUPPORT_DYNAMIC_ALLOCATION 1
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#define configTOTAL_HEAP_SIZE 1024 * 1024 * 512
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#define configAPPLICATION_ALLOCATED_HEAP 0
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#define portBYTE_ALIGNMENT 8
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#define portBYTE_ALIGNMENT_MASK ( 0x0007 )
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#define pdFALSE ( ( BaseType_t ) 0 )
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#define pdTRUE ( ( BaseType_t ) 1 )
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#define portPOINTER_SIZE_TYPE uint32_t
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/* A few bytes might be lost to byte aligning the heap start address. */
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#define configADJUSTED_HEAP_SIZE ( configTOTAL_HEAP_SIZE - portBYTE_ALIGNMENT )
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#define heapBITS_PER_BYTE ( ( size_t ) 8 )
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#define heapMINIMUM_BLOCK_SIZE ( ( size_t ) ( xHeapStructSize << 1 ) )
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typedef portSTACK_TYPE StackType_t;
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typedef long BaseType_t;
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typedef unsigned long UBaseType_t;
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/* Define the linked list structure. This is used to link free blocks in order
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of their memory address. */
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typedef struct A_BLOCK_LINK {
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struct A_BLOCK_LINK *pxNextFreeBlock; /*<< The next free block in the list. */
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size_t xBlockSize; /*<< The size of the free block. */
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} BlockLink_t;
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/* Definition of the Heap_stats_t structure. */
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typedef struct xHeapStats {
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size_t xAvailableHeapSpaceInBytes; /* The total heap size currently available - this is the sum of all the free blocks, not the largest block that can be allocated. */
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size_t xSizeOfLargestFreeBlockInBytes; /* The maximum size, in bytes, of all the free blocks within the heap at the time vPortGetHeapStats() is called. */
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size_t xSizeOfSmallestFreeBlockInBytes; /* The minimum size, in bytes, of all the free blocks within the heap at the time vPortGetHeapStats() is called. */
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size_t xNumberOfFreeBlocks; /* The number of free memory blocks within the heap at the time vPortGetHeapStats() is called. */
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size_t xMinimumEverFreeBytesRemaining; /* The minimum amount of total free memory (sum of all free blocks) there has been in the heap since the system booted. */
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size_t xNumberOfSuccessfulAllocations; /* The number of calls to pvPortMalloc() that have returned a valid memory block. */
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size_t xNumberOfSuccessfulFrees; /* The number of calls to vPortFree() that has successfully freed a block of memory. */
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} HeapStats_t;
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/* Prototype of the vPortGetHeapStats() function. */
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void vPortGetHeapStats(HeapStats_t *xHeapStats);
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/*
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* Inserts a block of memory that is being freed into the correct position in
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* the list of free memory blocks. The block being freed will be merged with
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* the block in front it and/or the block behind it if the memory blocks are
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* adjacent to each other.
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*/
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static void prvInsertBlockIntoFreeList(BlockLink_t *pxBlockToInsert);
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/*
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* Called automatically to setup the required heap structures the first time
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* pvPortMalloc() is called.
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*/
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static void prvHeapInit(void);
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#endif |