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/**
* @file lv_mem.h
*
*/
#ifndef LV_MEM_H
#define LV_MEM_H
#ifdef __cplusplus
extern "C" {
#endif
/*********************
* INCLUDES
*********************/
#ifdef LV_CONF_INCLUDE_SIMPLE
#include "lv_conf.h"
#else
#include "../../../lv_conf.h"
#endif
#include <stdint.h>
#include <stddef.h>
#include "lv_log.h"
#include "lv_types.h"
/*********************
* DEFINES
*********************/
/**********************
* TYPEDEFS
**********************/
/**
* Heap information structure.
*/
typedef struct
{
uint32_t total_size; /**< Total heap size */
uint32_t free_cnt;
uint32_t free_size; /**< Size of available memory */
uint32_t free_biggest_size;
uint32_t used_cnt;
uint8_t used_pct; /**< Percentage used */
uint8_t frag_pct; /**< Amount of fragmentation */
} lv_mem_monitor_t;
/**********************
* GLOBAL PROTOTYPES
**********************/
/**
* Initiaize the dyn_mem module (work memory and other variables)
*/
void lv_mem_init(void);
/**
* Allocate a memory dynamically
* @param size size of the memory to allocate in bytes
* @return pointer to the allocated memory
*/
void * lv_mem_alloc(size_t size);
/**
* Free an allocated data
* @param data pointer to an allocated memory
*/
void lv_mem_free(const void * data);
/**
* Reallocate a memory with a new size. The old content will be kept.
* @param data pointer to an allocated memory.
* Its content will be copied to the new memory block and freed
* @param new_size the desired new size in byte
* @return pointer to the new memory
*/
void * lv_mem_realloc(void * data_p, size_t new_size);
/**
* Join the adjacent free memory blocks
*/
void lv_mem_defrag(void);
/**
* Give information about the work memory of dynamic allocation
* @param mon_p pointer to a dm_mon_p variable,
* the result of the analysis will be stored here
*/
void lv_mem_monitor(lv_mem_monitor_t * mon_p);
/**
* Give the size of an allocated memory
* @param data pointer to an allocated memory
* @return the size of data memory in bytes
*/
uint32_t lv_mem_get_size(const void * data);
/**********************
* MACROS
**********************/
#ifdef __cplusplus
} /* extern "C" */
#endif
#endif /*LV_MEM_H*/
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