87 lines
2.5 KiB
C
87 lines
2.5 KiB
C
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/**
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****************************************************************************************
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*
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* @file ke_mem.h
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*
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* @brief API for the heap management module.
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*
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* Copyright (C) RivieraWaves 2009-2015
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*
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*
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****************************************************************************************
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*/
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#ifndef _BTDM_MEM_H_
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#define _BTDM_MEM_H_
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#include <stdint.h> // standard integer
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#include <stdbool.h> // standard includes
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/**
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****************************************************************************************
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* @defgroup MEM Memory
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* @ingroup KERNEL
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* @brief Heap management module.
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*
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* This module implements heap management functions that allow initializing heap,
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* allocating and freeing memory.
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*
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* @{
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****************************************************************************************
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*/
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/**
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****************************************************************************************
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* @brief Allocation of a block of memory.
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*
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* Allocates a memory block whose size is size; if no memory is available return NULL
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*
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* @param[in] size Size of the memory area that need to be allocated.
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* @param[in] type Type of memory block
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*
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* @return A pointer to the allocated memory area.
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*
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****************************************************************************************
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*/
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void *btdm_malloc(uint32_t size);
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/**
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****************************************************************************************
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* @brief Freeing of a block of memory.
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*
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* Free the memory area pointed by mem_ptr : mark the block as free and insert it in
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* the pool of free block.
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*
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* @param[in] mem_ptr Pointer to the memory area that need to be freed.
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*
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****************************************************************************************
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*/
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void btdm_free(void *mem_ptr);
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/**
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****************************************************************************************
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* @brief Retrieve memory usage of selected heap.
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*
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* @param[in] type Type of memory heap block
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*
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* @return current memory usage of current heap.
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****************************************************************************************
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*/
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uint16_t btdm_get_mem_usage(uint8_t type);
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/**
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****************************************************************************************
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* @brief Retrieve max memory usage of all heap.
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* This command also resets max measured value.
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*
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* @return max memory usage of all heap.
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****************************************************************************************
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*/
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uint32_t btdm_get_max_mem_usage(void);
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///@} MEM
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#endif // _btdm_MEM_H_
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