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Prevent crash when lv_init is called more than once. After the first call, it will do nothing.

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This commit is contained in:
Amir Gonnen 2019-02-08 00:03:16 +02:00
parent b0b1174564
commit e72589c6d4
1 changed files with 5 additions and 0 deletions
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5
lv_core/lv_obj.c
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@ -49,6 +49,8 @@ static lv_res_t lv_obj_signal(lv_obj_t * obj, lv_signal_t sign, void * param);
* STATIC VARIABLES * STATIC VARIABLES
**********************/ **********************/
static bool _lv_initialized = false;
/********************** /**********************
* MACROS * MACROS
**********************/ **********************/
@ -62,6 +64,9 @@ static lv_res_t lv_obj_signal(lv_obj_t * obj, lv_signal_t sign, void * param);
*/ */
void lv_init(void) void lv_init(void)
{ {
if (_lv_initialized) return;
_lv_initialized = true;
LV_GC_ROOT(_lv_def_scr) = NULL; LV_GC_ROOT(_lv_def_scr) = NULL;
LV_GC_ROOT(_lv_act_scr) = NULL; LV_GC_ROOT(_lv_act_scr) = NULL;
LV_GC_ROOT(_lv_top_layer) = NULL; LV_GC_ROOT(_lv_top_layer) = NULL;