From 4db0071f05b6e046a8adae51700102fec451c9ad Mon Sep 17 00:00:00 2001
From: Amir Gonnen <amirgonnen@gmail.com>
Date: Sat, 24 Jul 2021 17:27:16 +0300
Subject: [PATCH] feat(obj) add lv_is_initialized (#2402)

While it's possible to try initialize LVGL after it is already initialized, it warns 'lv_init: already inited' in such case. Therefore it is useful to be able to check on runtime whether LVGL was initialized or not before calling lv_init().
---
 src/core/lv_obj.c | 5 +++++
 src/core/lv_obj.h | 5 +++++
 2 files changed, 10 insertions(+)

diff --git a/src/core/lv_obj.c b/src/core/lv_obj.c
index 4268be651..63d1f0989 100644
--- a/src/core/lv_obj.c
+++ b/src/core/lv_obj.c
@@ -84,6 +84,11 @@ const lv_obj_class_t lv_obj_class = {
  *   GLOBAL FUNCTIONS
  **********************/
 
+bool lv_is_initialized(void)
+{
+    return lv_initialized;
+}
+
 void lv_init(void)
 {
     /*Do nothing if already initialized*/
diff --git a/src/core/lv_obj.h b/src/core/lv_obj.h
index 79d542236..9c8846610 100644
--- a/src/core/lv_obj.h
+++ b/src/core/lv_obj.h
@@ -204,6 +204,11 @@ void lv_deinit(void);
 
 #endif
 
+/**
+ * Returns whether the 'lv' library is currently initialized
+ */
+bool lv_is_initialized(void);
+
 /**
  * Create a base object (a rectangle)
  * @param parent    pointer to a parent object. If NULL then a screen will be created.