增加背光设置等级存储功能

source/Application/APP/Key/Key_user.c

@@ -1097,6 +1097,7 @@ void Key_Operation_Enter(Key_Event_en_t enKeyEvent)
                 /*背光调节*/
                 else if ((bCurMenuIDX == _MN_DSP_LEVEL3_7_MENU_1) || (bCurMenuIDX == _MN_DSP_LEVEL3_7_MENU_2))
                 {
+                    MenuFlag.Menu_Return = 1u;
                     NextMenu(MenuOptTab[bCurMenuIDX].VK_IDX_ENTER);
                 }
                 /*轮胎匹配界面*/
@@ -1250,7 +1251,7 @@ void Key_Operation_Return(Key_Event_en_t enKeyEvent)
                 {
                     if (
                         (bCurMenuIDX == _MN_DSP_LEVEL3_4_MENU_3) ||                                              /*语言设定*/
-                        (bCurMenuIDX == _MN_DSP_LEVEL3_7_MENU_1) ||                                              /*亮度调节*/
+                        (bCurMenuIDX == _MN_DSP_LEVEL3_7_MENU_1) || (bCurMenuIDX == _MN_DSP_LEVEL3_7_MENU_2) ||  /*亮度调节*/
                         ((bCurMenuIDX >= _MN_DSP_LEVEL3_4_MENU_41) && (bCurMenuIDX <= _MN_DSP_LEVEL3_4_MENU_47)) /*省油设定子菜单*/
                     )
                     {

source/Application/Graphic/Menu/Menu_user.c

@@ -1565,24 +1565,50 @@ void Level3_4Menu_5Exit(void)
 /*----三级菜单----TPMS轮胎设定----系列子菜单*/
 /*亮度调节设定*/
 void Level3_4Menu_7Enter_1(void)
-{}
+{
+}
 void Level3_4Menu_7Do_1(void)
 {
     GUI_OftenShow_Display();
     GUI_BG_User_Light1_Display(GUI_DISP_MODE_NORMAL);
 }
 void Level3_4Menu_7Exit_1(void)
-{}
+{
+    if (MenuFlag.Menu_Return == 1u)
+    {
+        MenuFlag.Menu_Return = 0u;
+        K_Line_Set.User_Light1 = User_set_Num.User_Light1;
+        User_App.User_Light1   = User_set_Num.User_Light1;
+        Common_Set_DTCstatusCHGFFK_Flag(1);
+    }
+    else
+    {
+        User_set_Num.User_Light1 = User_App.User_Light1;
+    }
+}
 
 void Level3_4Menu_7Enter_2(void)
-{}
+{
+}
 void Level3_4Menu_7Do_2(void)
 {
     GUI_OftenShow_Display();
     GUI_BG_User_Light2_Display(GUI_DISP_MODE_NORMAL);
 }
 void Level3_4Menu_7Exit_2(void)
-{}
+{
+    if (MenuFlag.Menu_Return == 1u)
+    {
+        MenuFlag.Menu_Return = 0u;
+        K_Line_Set.User_Light2 = User_set_Num.User_Light2;
+        User_App.User_Light2   = User_set_Num.User_Light2;
+        Common_Set_DTCstatusCHGFFK_Flag(1);
+    }
+    else
+    {
+        User_set_Num.User_Light2 = User_App.User_Light2;
+    }
+}
 
 /*----三级菜单----系统演示----系列子菜单*/
 /*LDWS 警报演示*/