Added extra keyboard mode to enable caps-lock defined as

LV_KB_MODE_TEXT_UC

src/lv_objx/lv_kb.c

@@ -205,6 +205,9 @@ void lv_kb_set_mode(lv_obj_t * kb, lv_kb_mode_t mode)
     } else if(mode == LV_KB_MODE_NUM) {
         lv_btnm_set_map(kb, kb_map_num);
         lv_btnm_set_ctrl_map(kb, kb_ctrl_num_map);
+    } else if(mode == LV_KB_MODE_TEXT_UC) {
+        lv_btnm_set_map(kb, kb_map_uc);
+        lv_btnm_set_ctrl_map(kb, kb_ctrl_uc_map);
     }
 }
 

src/lv_objx/lv_kb.h

@@ -45,6 +45,7 @@ extern "C" {
 enum {
     LV_KB_MODE_TEXT,
     LV_KB_MODE_NUM,
+    LV_KB_MODE_TEXT_UC,
 };
 typedef uint8_t lv_kb_mode_t;