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Added Max Used propriety to lv_mem_monitor_t struct

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artur.vieira
2020-06-08 20:22:06 +01:00
parent 4effebb3ea
commit 0ebcf7e266
2 changed files with 17 additions and 3 deletions
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19
src/lv_misc/lv_mem.c
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@@ -85,7 +85,7 @@ typedef struct {
#endif
static uint32_t zero_mem; /*Give the address of this variable if 0 byte should be allocated*/
static uint32_t mem_max_size; /*Tracks the maximum total size of memory allocated from the internal heap*/
static uint8_t mem_buf1_32[MEM_BUF_SMALL_SIZE];
static uint8_t mem_buf2_32[MEM_BUF_SMALL_SIZE];
@@ -118,10 +118,11 @@ void _lv_mem_init(void)
/*Allocate a large array to store the dynamically allocated data*/
static LV_MEM_ATTR MEM_UNIT work_mem_int[LV_MEM_SIZE / sizeof(MEM_UNIT)];
work_mem = (uint8_t *)work_mem_int;
mem_max_size = 0;
#else
work_mem = (uint8_t *)LV_MEM_ADR;
#endif
lv_mem_ent_t * full = (lv_mem_ent_t *)work_mem;
full->header.s.used = 0;
/*The total mem size id reduced by the first header and the close patterns */
@@ -200,7 +201,18 @@ void * lv_mem_alloc(size_t size)
if(alloc != NULL) _lv_memset(alloc, 0xaa, size);
#endif
if(alloc == NULL) LV_LOG_WARN("Couldn't allocate memory");
if(alloc == NULL) {
LV_LOG_WARN("Couldn't allocate memory");
}else{
#if LV_MEM_CUSTOM == 0
/* just a safety check, should always be true */
if ((uint32_t) alloc > (uint32_t) work_mem) {
if ((((uint32_t) alloc - (uint32_t) work_mem) + size) > mem_max_size) {
mem_max_size = ((uint32_t) alloc - (uint32_t) work_mem) + size;
}
}
#endif
}
return alloc;
}
@@ -424,6 +436,7 @@ void lv_mem_monitor(lv_mem_monitor_t * mon_p)
e = ent_get_next(e);
}
mon_p->total_size = LV_MEM_SIZE;
mon_p->max_used = mem_max_size;
mon_p->used_pct = 100 - (100U * mon_p->free_size) / mon_p->total_size;
if(mon_p->free_size > 0) {
mon_p->frag_pct = (uint32_t)mon_p->free_biggest_size * 100U / mon_p->free_size;

1
src/lv_misc/lv_mem.h
View File

@@ -41,6 +41,7 @@ typedef struct {
uint32_t free_size; /**< Size of available memory */
uint32_t free_biggest_size;
uint32_t used_cnt;
uint32_t max_used; /**< Max size of Heap memory used */
uint8_t used_pct; /**< Percentage used */
uint8_t frag_pct; /**< Amount of fragmentation */
} lv_mem_monitor_t;