🎨 Fix up MKS UI defines

Marlin/src/lcd/extui/mks_ui/draw_acceleration_settings.cpp

 
 void lv_draw_acceleration_settings() {
   scr = lv_screen_create(ACCELERATION_UI, machine_menu.AccelerationConfTitle);
+  lv_coord_t y = PARA_UI_POS_Y;
   if (!uiCfg.para_ui_page) {
     dtostrf(planner.settings.acceleration, 1, 1, public_buf_l);
-    lv_screen_menu_item_1_edit(scr, machine_menu.PrintAcceleration, PARA_UI_POS_X, PARA_UI_POS_Y, event_handler, ID_ACCE_PRINT, 0, public_buf_l);
+    lv_screen_menu_item_1_edit(scr, machine_menu.PrintAcceleration, PARA_UI_POS_X, y, event_handler, ID_ACCE_PRINT, 0, public_buf_l);
 
+    y += PARA_UI_POS_Y;
     dtostrf(planner.settings.retract_acceleration, 1, 1, public_buf_l);
-    lv_screen_menu_item_1_edit(scr, machine_menu.RetractAcceleration, PARA_UI_POS_X, PARA_UI_POS_Y * 2, event_handler, ID_ACCE_RETRA, 1, public_buf_l);
+    lv_screen_menu_item_1_edit(scr, machine_menu.RetractAcceleration, PARA_UI_POS_X, y, event_handler, ID_ACCE_RETRA, 1, public_buf_l);
 
+    y += PARA_UI_POS_Y;
     dtostrf(planner.settings.travel_acceleration, 1, 1, public_buf_l);
-    lv_screen_menu_item_1_edit(scr, machine_menu.TravelAcceleration, PARA_UI_POS_X, PARA_UI_POS_Y * 3, event_handler, ID_ACCE_TRAVEL, 2, public_buf_l);
+    lv_screen_menu_item_1_edit(scr, machine_menu.TravelAcceleration, PARA_UI_POS_X, y, event_handler, ID_ACCE_TRAVEL, 2, public_buf_l);
 
+    y += PARA_UI_POS_Y;
     itoa(planner.settings.max_acceleration_mm_per_s2[X_AXIS], public_buf_l, 10);
-    lv_screen_menu_item_1_edit(scr, machine_menu.X_Acceleration, PARA_UI_POS_X, PARA_UI_POS_Y * 4, event_handler, ID_ACCE_X, 3, public_buf_l);
+    lv_screen_menu_item_1_edit(scr, machine_menu.X_Acceleration, PARA_UI_POS_X, y, event_handler, ID_ACCE_X, 3, public_buf_l);
 
     lv_big_button_create(scr, "F:/bmp_back70x40.bin", machine_menu.next, PARA_UI_TURN_PAGE_POS_X, PARA_UI_TURN_PAGE_POS_Y, event_handler, ID_ACCE_DOWN, true);
   }
   else {
-    itoa(planner.settings.max_acceleration_mm_per_s2[Y_AXIS], public_buf_l, 10);
-    lv_screen_menu_item_1_edit(scr, machine_menu.Y_Acceleration, PARA_UI_POS_X, PARA_UI_POS_Y, event_handler, ID_ACCE_Y, 0, public_buf_l);
-
-    itoa(planner.settings.max_acceleration_mm_per_s2[Z_AXIS], public_buf_l, 10);
-    lv_screen_menu_item_1_edit(scr, machine_menu.Z_Acceleration, PARA_UI_POS_X, PARA_UI_POS_Y * 2, event_handler, ID_ACCE_Z, 1, public_buf_l);
-
-    itoa(planner.settings.max_acceleration_mm_per_s2[E_AXIS], public_buf_l, 10);
-    lv_screen_menu_item_1_edit(scr, machine_menu.E0_Acceleration, PARA_UI_POS_X, PARA_UI_POS_Y * 3, event_handler, ID_ACCE_E0, 2, public_buf_l);
-
-    itoa(planner.settings.max_acceleration_mm_per_s2[E_AXIS_N(1)], public_buf_l, 10);
-    lv_screen_menu_item_1_edit(scr, machine_menu.E1_Acceleration, PARA_UI_POS_X, PARA_UI_POS_Y * 4, event_handler, ID_ACCE_E1, 3, public_buf_l);
+    #if HAS_Y_AXIS
+      itoa(planner.settings.max_acceleration_mm_per_s2[Y_AXIS], public_buf_l, 10);
+      lv_screen_menu_item_1_edit(scr, machine_menu.Y_Acceleration, PARA_UI_POS_X, y, event_handler, ID_ACCE_Y, 0, public_buf_l);
+    #endif
+
+    #if HAS_Z_AXIS
+      y += PARA_UI_POS_Y;
+      itoa(planner.settings.max_acceleration_mm_per_s2[Z_AXIS], public_buf_l, 10);
+      lv_screen_menu_item_1_edit(scr, machine_menu.Z_Acceleration, PARA_UI_POS_X, y, event_handler, ID_ACCE_Z, 1, public_buf_l);
+    #endif
+
+    #if HAS_HOTEND
+      y += PARA_UI_POS_Y;
+      itoa(planner.settings.max_acceleration_mm_per_s2[E_AXIS], public_buf_l, 10);
+      lv_screen_menu_item_1_edit(scr, machine_menu.E0_Acceleration, PARA_UI_POS_X, y, event_handler, ID_ACCE_E0, 2, public_buf_l);
+    #endif
+
+    #if ENABLED(DISTINCT_E_FACTORS)
+      y += PARA_UI_POS_Y;
+      itoa(planner.settings.max_acceleration_mm_per_s2[E_AXIS_N(1)], public_buf_l, 10);
+      lv_screen_menu_item_1_edit(scr, machine_menu.E1_Acceleration, PARA_UI_POS_X, y, event_handler, ID_ACCE_E1, 3, public_buf_l);
+    #endif
 
     lv_big_button_create(scr, "F:/bmp_back70x40.bin", machine_menu.previous, PARA_UI_TURN_PAGE_POS_X, PARA_UI_TURN_PAGE_POS_Y, event_handler, ID_ACCE_UP, true);
   }
 
-  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACL_POS_X, PARA_UI_BACL_POS_Y, event_handler, ID_ACCE_RETURN, true);
+  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACK_POS_X, PARA_UI_BACK_POS_Y, event_handler, ID_ACCE_RETURN, true);
 }
 
 void lv_clear_acceleration_settings() {

Marlin/src/lcd/extui/mks_ui/draw_advance_settings.cpp

     index++;
   #endif
 
-  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACL_POS_X + 10, PARA_UI_BACL_POS_Y, event_handler, ID_ADVANCE_RETURN, true);
+  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACK_POS_X + 10, PARA_UI_BACK_POS_Y, event_handler, ID_ADVANCE_RETURN, true);
 }
 
 void lv_clear_advance_settings() {

Marlin/src/lcd/extui/mks_ui/draw_auto_level_offset_settings.cpp

   dtostrf(TERN0(HAS_PROBE_XY_OFFSET, probe.offset.z), 1, 1, public_buf_l);
   lv_screen_menu_item_1_edit(scr, machine_menu.Zoffset, PARA_UI_POS_X, PARA_UI_POS_Y * 3, event_handler, ID_OFFSET_Z, 2, public_buf_l);
 
-  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACL_POS_X, PARA_UI_BACL_POS_Y, event_handler, ID_OFFSET_RETURN, true);
+  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACK_POS_X, PARA_UI_BACK_POS_Y, event_handler, ID_OFFSET_RETURN, true);
 }
 
 void lv_clear_auto_level_offset_settings() {

Marlin/src/lcd/extui/mks_ui/draw_baby_stepping.cpp

 static lv_obj_t *labelV, *buttonV, *zOffsetText;
 
 enum {
-  ID_BABY_STEP_X_P = 1,
-  ID_BABY_STEP_X_N,
-  ID_BABY_STEP_Y_P,
-  ID_BABY_STEP_Y_N,
-  ID_BABY_STEP_Z_P,
-  ID_BABY_STEP_Z_N,
-  ID_BABY_STEP_DIST,
-  ID_BABY_STEP_RETURN
+  ID_BABYSTEP_X_P = 1,
+  ID_BABYSTEP_X_N,
+  ID_BABYSTEP_Y_P,
+  ID_BABYSTEP_Y_N,
+  ID_BABYSTEP_Z_P,
+  ID_BABYSTEP_Z_N,
+  ID_BABYSTEP_DIST,
+  ID_BABYSTEP_RETURN
 };
 
 static float babystep_dist  = 0.01;
   char baby_buf[30] = { 0 };
   char str_1[16];
   switch (obj->mks_obj_id) {
-    case ID_BABY_STEP_X_P:
+    case ID_BABYSTEP_X_P:
       sprintf_P(baby_buf, PSTR("M290 X%s"), dtostrf(babystep_dist, 1, 3, str_1));
       gcode.process_subcommands_now(F(baby_buf));
       has_adjust_z = 1;
       break;
-    case ID_BABY_STEP_X_N:
+    case ID_BABYSTEP_X_N:
       sprintf_P(baby_buf, PSTR("M290 X%s"), dtostrf(-babystep_dist, 1, 3, str_1));
       gcode.process_subcommands_now(F(baby_buf));
       has_adjust_z = 1;
       break;
-    case ID_BABY_STEP_Y_P:
+    case ID_BABYSTEP_Y_P:
       sprintf_P(baby_buf, PSTR("M290 Y%s"), dtostrf(babystep_dist, 1, 3, str_1));
       gcode.process_subcommands_now(F(baby_buf));
       has_adjust_z = 1;
       break;
-    case ID_BABY_STEP_Y_N:
+    case ID_BABYSTEP_Y_N:
       sprintf_P(baby_buf, PSTR("M290 Y%s"), dtostrf(-babystep_dist, 1, 3, str_1));
       gcode.process_subcommands_now(F(baby_buf));
       has_adjust_z = 1;
       break;
-    case ID_BABY_STEP_Z_P:
+    case ID_BABYSTEP_Z_P:
       sprintf_P(baby_buf, PSTR("M290 Z%s"), dtostrf(babystep_dist, 1, 3, str_1));
       gcode.process_subcommands_now(F(baby_buf));
       has_adjust_z = 1;
       break;
-    case ID_BABY_STEP_Z_N:
+    case ID_BABYSTEP_Z_N:
       sprintf_P(baby_buf, PSTR("M290 Z%s"), dtostrf(-babystep_dist, 1, 3, str_1));
       gcode.process_subcommands_now(F(baby_buf));
       has_adjust_z = 1;
       break;
-    case ID_BABY_STEP_DIST:
+    case ID_BABYSTEP_DIST:
       if (ABS((int)(100 * babystep_dist)) == 1)
         babystep_dist = 0.05;
       else if (ABS((int)(100 * babystep_dist)) == 5)
         babystep_dist = 0.01;
       disp_baby_step_dist();
       break;
-    case ID_BABY_STEP_RETURN:
+    case ID_BABYSTEP_RETURN:
       if (has_adjust_z == 1) {
         TERN_(EEPROM_SETTINGS, (void)settings.save());
         has_adjust_z = 0;
 }
 
 void lv_draw_baby_stepping() {
-  scr = lv_screen_create(BABY_STEP_UI);
-  lv_big_button_create(scr, "F:/bmp_xAdd.bin", move_menu.x_add, INTERVAL_V, titleHeight, event_handler, ID_BABY_STEP_X_P);
-  lv_big_button_create(scr, "F:/bmp_xDec.bin", move_menu.x_dec, INTERVAL_V, BTN_Y_PIXEL + INTERVAL_H + titleHeight, event_handler, ID_BABY_STEP_X_N);
-  lv_big_button_create(scr, "F:/bmp_yAdd.bin", move_menu.y_add, BTN_X_PIXEL + INTERVAL_V * 2, titleHeight, event_handler, ID_BABY_STEP_Y_P);
-  lv_big_button_create(scr, "F:/bmp_yDec.bin", move_menu.y_dec, BTN_X_PIXEL + INTERVAL_V * 2, BTN_Y_PIXEL + INTERVAL_H + titleHeight, event_handler, ID_BABY_STEP_Y_N);
-  lv_big_button_create(scr, "F:/bmp_zAdd.bin", move_menu.z_add, BTN_X_PIXEL * 2 + INTERVAL_V * 3, titleHeight, event_handler, ID_BABY_STEP_Z_P);
-  lv_big_button_create(scr, "F:/bmp_zDec.bin", move_menu.z_dec, BTN_X_PIXEL * 2 + INTERVAL_V * 3, BTN_Y_PIXEL + INTERVAL_H + titleHeight, event_handler, ID_BABY_STEP_Z_N);
-  buttonV = lv_imgbtn_create(scr, nullptr, BTN_X_PIXEL * 3 + INTERVAL_V * 4, titleHeight, event_handler, ID_BABY_STEP_DIST);
+  scr = lv_screen_create(BABYSTEP_UI);
+  lv_big_button_create(scr, "F:/bmp_xAdd.bin", move_menu.x_add, INTERVAL_V, titleHeight, event_handler, ID_BABYSTEP_X_P);
+  lv_big_button_create(scr, "F:/bmp_xDec.bin", move_menu.x_dec, INTERVAL_V, BTN_Y_PIXEL + INTERVAL_H + titleHeight, event_handler, ID_BABYSTEP_X_N);
+  lv_big_button_create(scr, "F:/bmp_yAdd.bin", move_menu.y_add, BTN_X_PIXEL + INTERVAL_V * 2, titleHeight, event_handler, ID_BABYSTEP_Y_P);
+  lv_big_button_create(scr, "F:/bmp_yDec.bin", move_menu.y_dec, BTN_X_PIXEL + INTERVAL_V * 2, BTN_Y_PIXEL + INTERVAL_H + titleHeight, event_handler, ID_BABYSTEP_Y_N);
+  lv_big_button_create(scr, "F:/bmp_zAdd.bin", move_menu.z_add, BTN_X_PIXEL * 2 + INTERVAL_V * 3, titleHeight, event_handler, ID_BABYSTEP_Z_P);
+  lv_big_button_create(scr, "F:/bmp_zDec.bin", move_menu.z_dec, BTN_X_PIXEL * 2 + INTERVAL_V * 3, BTN_Y_PIXEL + INTERVAL_H + titleHeight, event_handler, ID_BABYSTEP_Z_N);
+  buttonV = lv_imgbtn_create(scr, nullptr, BTN_X_PIXEL * 3 + INTERVAL_V * 4, titleHeight, event_handler, ID_BABYSTEP_DIST);
   labelV = lv_label_create_empty(buttonV);
   #if HAS_ROTARY_ENCODER
     if (gCfgItems.encoder_enable)
       lv_group_add_obj(g, buttonV);
   #endif
 
-  lv_big_button_create(scr, "F:/bmp_return.bin", common_menu.text_back, BTN_X_PIXEL * 3 + INTERVAL_V * 4, BTN_Y_PIXEL + INTERVAL_H + titleHeight, event_handler, ID_BABY_STEP_RETURN);
+  lv_big_button_create(scr, "F:/bmp_return.bin", common_menu.text_back, BTN_X_PIXEL * 3 + INTERVAL_V * 4, BTN_Y_PIXEL + INTERVAL_H + titleHeight, event_handler, ID_BABYSTEP_RETURN);
 
   disp_baby_step_dist();
 

Marlin/src/lcd/extui/mks_ui/draw_eeprom_settings.cpp

   scr = lv_screen_create(EEPROM_SETTINGS_UI);
   lv_screen_menu_item(scr, eeprom_menu.revert, PARA_UI_POS_X, PARA_UI_POS_Y, event_handler, ID_EEPROM_REVERT, 0);
   lv_screen_menu_item(scr, eeprom_menu.store, PARA_UI_POS_X, PARA_UI_POS_Y * 2, event_handler, ID_EEPROM_STORE, 1);
-  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACL_POS_X, PARA_UI_BACL_POS_Y, event_handler, ID_EEPROM_RETURN, true);
+  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACK_POS_X, PARA_UI_BACK_POS_Y, event_handler, ID_EEPROM_RETURN, true);
 }
 
 void lv_clear_eeprom_settings() {

Marlin/src/lcd/extui/mks_ui/draw_encoder_settings.cpp

 void lv_draw_encoder_settings() {
   scr = lv_screen_create(ENCODER_SETTINGS_UI, machine_menu.EncoderConfTitle);
   buttonEncoderState = lv_screen_menu_item_onoff(scr, machine_menu.EncoderConfText, PARA_UI_POS_X, PARA_UI_POS_Y, event_handler, ID_ENCODER_STATE, 0, gCfgItems.encoder_enable);
-  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACL_POS_X, PARA_UI_BACL_POS_Y, event_handler, ID_ENCODER_RETURN, true);
+  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACK_POS_X, PARA_UI_BACK_POS_Y, event_handler, ID_ENCODER_RETURN, true);
 }
 
 void lv_clear_encoder_settings() {

Marlin/src/lcd/extui/mks_ui/draw_filament_settings.cpp

     lv_big_button_create(scr, "F:/bmp_back70x40.bin", machine_menu.previous, PARA_UI_TURN_PAGE_POS_X, PARA_UI_TURN_PAGE_POS_Y, event_handler, ID_FILAMENT_SET_UP, true);
   }
 
-  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACL_POS_X, PARA_UI_BACL_POS_Y, event_handler, ID_FILAMENT_SET_RETURN, true);
+  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACK_POS_X, PARA_UI_BACK_POS_Y, event_handler, ID_FILAMENT_SET_RETURN, true);
 }
 
 void lv_clear_filament_settings() {

Marlin/src/lcd/extui/mks_ui/draw_gcode.cpp

   outL = lv_label_create(scr, PARA_UI_POS_X, PARA_UI_POS_Y * 2, "Result:");
   outV = lv_label_create(scr, PARA_UI_POS_X, PARA_UI_POS_Y * 3, (const char*)public_buf);
 
-  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACL_POS_X + 10, PARA_UI_BACL_POS_Y, event_handler, ID_GCODE_RETURN, true);
+  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACK_POS_X + 10, PARA_UI_BACK_POS_Y, event_handler, ID_GCODE_RETURN, true);
 }
 
 void lv_clear_gcode() {

Marlin/src/lcd/extui/mks_ui/draw_homing_sensitivity_settings.cpp

     lv_screen_menu_item_1_edit(scr, machine_menu.Z2_Sensitivity, PARA_UI_POS_X, PARA_UI_POS_Y * 4, event_handler, ID_SENSITIVITY_Z2, 3, public_buf_l);
   #endif
 
-  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACL_POS_X, PARA_UI_BACL_POS_Y, event_handler, ID_SENSITIVITY_RETURN, true);
+  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACK_POS_X, PARA_UI_BACK_POS_Y, event_handler, ID_SENSITIVITY_RETURN, true);
 }
 
 void lv_clear_homing_sensitivity_settings() {

Marlin/src/lcd/extui/mks_ui/draw_jerk_settings.cpp

   dtostrf(planner.max_jerk[E_AXIS], 1, 1, public_buf_l);
   lv_screen_menu_item_1_edit(scr, machine_menu.E_Jerk, PARA_UI_POS_X, PARA_UI_POS_Y * 4, event_handler, ID_JERK_E, 3, public_buf_l);
 
-  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACL_POS_X, PARA_UI_BACL_POS_Y, event_handler, ID_JERK_RETURN, true);
+  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACK_POS_X, PARA_UI_BACK_POS_Y, event_handler, ID_JERK_RETURN, true);
 }
 
 void lv_clear_jerk_settings() {

Marlin/src/lcd/extui/mks_ui/draw_keyboard.cpp

   if (!txt) return;
 
   // Do the corresponding action according to the text of the button
-  if (strcmp(txt, "abc") == 0) {
+  if (strcmp_P(txt, PSTR("abc")) == 0) {
     lv_btnm_set_map(kb, kb_map_lc);
     lv_btnm_set_ctrl_map(kb, kb_ctrl_lc_map);
     return;
   }
-  else if (strcmp(txt, "ABC") == 0) {
+  else if (strcmp_P(txt, PSTR("ABC")) == 0) {
     lv_btnm_set_map(kb, kb_map_uc);
     lv_btnm_set_ctrl_map(kb, kb_ctrl_uc_map);
     return;
   }
-  else if (strcmp(txt, "1#") == 0) {
+  else if (strcmp_P(txt, PSTR("1#")) == 0) {
     lv_btnm_set_map(kb, kb_map_spec);
     lv_btnm_set_ctrl_map(kb, kb_ctrl_spec_map);
     return;
   }
-  else if (strcmp(txt, LV_SYMBOL_CLOSE) == 0) {
+  else if (strcmp_P(txt, PSTR(LV_SYMBOL_CLOSE)) == 0) {
     if (kb->event_cb != lv_kb_def_event_cb) {
       lv_clear_keyboard();
       draw_return_ui();
     }
     return;
   }
-  else if (strcmp(txt, LV_SYMBOL_OK) == 0) {
+  else if (strcmp_P(txt, PSTR(LV_SYMBOL_OK)) == 0) {
     if (kb->event_cb != lv_kb_def_event_cb) {
       const char * ret_ta_txt = lv_ta_get_text(ext->ta);
       switch (keyboard_value) {
   // Add the characters to the text area if set
   if (!ext->ta) return;
 
-  if (strcmp(txt, "Enter") == 0 || strcmp(txt, LV_SYMBOL_NEW_LINE) == 0)
+  if (strcmp_P(txt, PSTR("Enter")) == 0 || strcmp_P(txt, PSTR(LV_SYMBOL_NEW_LINE)) == 0)
     lv_ta_add_char(ext->ta, '\n');
-  else if (strcmp(txt, LV_SYMBOL_LEFT) == 0)
+  else if (strcmp_P(txt, PSTR(LV_SYMBOL_LEFT)) == 0)
     lv_ta_cursor_left(ext->ta);
-  else if (strcmp(txt, LV_SYMBOL_RIGHT) == 0)
+  else if (strcmp_P(txt, PSTR(LV_SYMBOL_RIGHT)) == 0)
     lv_ta_cursor_right(ext->ta);
-  else if (strcmp(txt, LV_SYMBOL_BACKSPACE) == 0)
+  else if (strcmp_P(txt, PSTR(LV_SYMBOL_BACKSPACE)) == 0)
     lv_ta_del_char(ext->ta);
-  else if (strcmp(txt, "+/-") == 0) {
+  else if (strcmp_P(txt, PSTR("+/-")) == 0) {
     uint16_t cur = lv_ta_get_cursor_pos(ext->ta);
     const char * ta_txt = lv_ta_get_text(ext->ta);
     if (ta_txt[0] == '-') {

Marlin/src/lcd/extui/mks_ui/draw_level_settings.cpp

   #if HAS_BED_PROBE
     lv_screen_menu_item(scr, machine_menu.LevelingAutoZoffsetConf, PARA_UI_POS_X, PARA_UI_POS_Y * 3, event_handler, ID_LEVEL_ZOFFSET, 2);
   #endif
-  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACL_POS_X + 10, PARA_UI_BACL_POS_Y, event_handler, ID_LEVEL_RETURN, true);
+  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACK_POS_X + 10, PARA_UI_BACK_POS_Y, event_handler, ID_LEVEL_RETURN, true);
 }
 
 void lv_clear_level_settings() {

Marlin/src/lcd/extui/mks_ui/draw_machine_para.cpp

   lv_screen_menu_item(scr, MachinePara_menu.MotorSetting, PARA_UI_POS_X, PARA_UI_POS_Y * 2, event_handler, ID_PARA_MOTOR, 1);
   lv_screen_menu_item(scr, MachinePara_menu.leveling, PARA_UI_POS_X, PARA_UI_POS_Y * 3, event_handler, ID_PARA_LEVEL, 2);
   lv_screen_menu_item(scr, MachinePara_menu.AdvanceSetting, PARA_UI_POS_X, PARA_UI_POS_Y * 4, event_handler, ID_PARA_ADVANCE, 3);
-  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACL_POS_X + 10, PARA_UI_BACL_POS_Y, event_handler, ID_PARA_RETURN, true);
+  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACK_POS_X + 10, PARA_UI_BACK_POS_Y, event_handler, ID_PARA_RETURN, true);
 }
 
 void lv_clear_machine_para() {

Marlin/src/lcd/extui/mks_ui/draw_machine_settings.cpp

 
 static void event_handler(lv_obj_t *obj, lv_event_t event) {
   if (event != LV_EVENT_RELEASED) return;
+  clear_cur_ui();
   switch (obj->mks_obj_id) {
-    case ID_MACHINE_RETURN:
-      lv_clear_machine_settings();
-      draw_return_ui();
-      break;
-    case ID_MACHINE_ACCELERATION:
-      lv_clear_machine_settings();
-      lv_draw_acceleration_settings();
-      break;
-    case ID_MACHINE_FEEDRATE:
-      lv_clear_machine_settings();
-      lv_draw_max_feedrate_settings();
-      break;
+    case ID_MACHINE_RETURN:       draw_return_ui(); break;
+    case ID_MACHINE_ACCELERATION: lv_draw_acceleration_settings(); break;
+    case ID_MACHINE_FEEDRATE:     lv_draw_max_feedrate_settings(); break;
     #if HAS_CLASSIC_JERK
-      case ID_MACHINE_JERK:
-        lv_clear_machine_settings();
-        lv_draw_jerk_settings();
-        break;
+      case ID_MACHINE_JERK:       lv_draw_jerk_settings(); break;
     #endif
   }
 }
 
 void lv_draw_machine_settings() {
   scr = lv_screen_create(MACHINE_SETTINGS_UI, machine_menu.MachineConfigTitle);
-  lv_screen_menu_item(scr, machine_menu.AccelerationConf, PARA_UI_POS_X, PARA_UI_POS_Y, event_handler, ID_MACHINE_ACCELERATION, 0);
-  lv_screen_menu_item(scr, machine_menu.MaxFeedRateConf, PARA_UI_POS_X, PARA_UI_POS_Y * 2, event_handler, ID_MACHINE_FEEDRATE, 1);
+  lv_coord_t y = PARA_UI_POS_Y;
+  lv_screen_menu_item(scr, machine_menu.AccelerationConf, PARA_UI_POS_X, y, event_handler, ID_MACHINE_ACCELERATION, 0);
+  y += PARA_UI_POS_Y;
+  lv_screen_menu_item(scr, machine_menu.MaxFeedRateConf, PARA_UI_POS_X, y, event_handler, ID_MACHINE_FEEDRATE, 1);
   #if HAS_CLASSIC_JERK
-    lv_screen_menu_item(scr, machine_menu.JerkConf, PARA_UI_POS_X, PARA_UI_POS_Y * 3, event_handler, ID_MACHINE_JERK, 2);
+    y += PARA_UI_POS_Y;
+    lv_screen_menu_item(scr, machine_menu.JerkConf, PARA_UI_POS_X, y, event_handler, ID_MACHINE_JERK, 2);
   #endif
-  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACL_POS_X + 10, PARA_UI_BACL_POS_Y, event_handler, ID_MACHINE_RETURN, true);
+  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACK_POS_X + 10, PARA_UI_BACK_POS_Y, event_handler, ID_MACHINE_RETURN, true);
 }
 
 void lv_clear_machine_settings() {

Marlin/src/lcd/extui/mks_ui/draw_max_feedrate_settings.cpp

     lv_big_button_create(scr, "F:/bmp_back70x40.bin", machine_menu.previous, PARA_UI_TURN_PAGE_POS_X, PARA_UI_TURN_PAGE_POS_Y, event_handler, ID_FEED_UP, true);
   }
 
-  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACL_POS_X, PARA_UI_BACL_POS_Y, event_handler, ID_FEED_RETURN, true);
+  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACK_POS_X, PARA_UI_BACK_POS_Y, event_handler, ID_FEED_RETURN, true);
 }
 
 void lv_clear_max_feedrate_settings() {

Marlin/src/lcd/extui/mks_ui/draw_motor_settings.cpp

       index++;
     #endif
   #endif
-  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACL_POS_X + 10, PARA_UI_BACL_POS_Y, event_handler, ID_MOTOR_RETURN, true);
+  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACK_POS_X + 10, PARA_UI_BACK_POS_Y, event_handler, ID_MOTOR_RETURN, true);
 }
 
 void lv_clear_motor_settings() {

Marlin/src/lcd/extui/mks_ui/draw_pause_position.cpp

   dtostrf(gCfgItems.pausePosZ, 1, 1, public_buf_l);
   lv_screen_menu_item_1_edit(scr, machine_menu.zPos, PARA_UI_POS_X, PARA_UI_POS_Y * 3, event_handler, ID_PAUSE_Z, 2, public_buf_l);
 
-  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACL_POS_X, PARA_UI_BACL_POS_Y, event_handler, ID_PAUSE_RETURN, true);
+  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACK_POS_X, PARA_UI_BACK_POS_Y, event_handler, ID_PAUSE_RETURN, true);
 }
 
 void lv_clear_pause_position() {

Marlin/src/lcd/extui/mks_ui/draw_preHeat.cpp

 }
 
 void lv_draw_preHeat() {
-  scr = lv_screen_create(PRE_HEAT_UI);
+  scr = lv_screen_create(PREHEAT_UI);
 
   // Create image buttons
   disp_add_dec();

Marlin/src/lcd/extui/mks_ui/draw_step_settings.cpp

     lv_big_button_create(scr, "F:/bmp_back70x40.bin", machine_menu.previous, PARA_UI_TURN_PAGE_POS_X, PARA_UI_TURN_PAGE_POS_Y, event_handler, ID_STEP_UP, true);
   }
 
-  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACL_POS_X, PARA_UI_BACL_POS_Y, event_handler, ID_STEP_RETURN, true);
+  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACK_POS_X, PARA_UI_BACK_POS_Y, event_handler, ID_STEP_RETURN, true);
 }
 
 void lv_clear_step_settings() {

Marlin/src/lcd/extui/mks_ui/draw_tmc_current_settings.cpp

       draw_return_ui();
       return;
     #if AXIS_IS_TMC(X)
-      case ID_TMC_CURRENT_X:
-        value = Xcurrent;
-        break;
+      case ID_TMC_CURRENT_X:  value = Xcurrent;  break;
     #endif
     #if AXIS_IS_TMC(Y)
-      case ID_TMC_CURRENT_Y:
-        value = Ycurrent;
-        break;
+      case ID_TMC_CURRENT_Y:  value = Ycurrent;  break;
     #endif
     #if AXIS_IS_TMC(Z)
-      case ID_TMC_CURRENT_Z:
-        value = Zcurrent;
-        break;
+      case ID_TMC_CURRENT_Z:  value = Zcurrent;  break;
     #endif
     #if AXIS_IS_TMC(E0)
-      case ID_TMC_CURRENT_E0:
-        value = E0current;
-        break;
+      case ID_TMC_CURRENT_E0: value = E0current; break;
     #endif
     #if AXIS_IS_TMC(E1)
-      case ID_TMC_CURRENT_E1:
-        value = E1current;
-        break;
+      case ID_TMC_CURRENT_E1: value = E1current; break;
     #endif
 
     case ID_TMC_CURRENT_UP:
     lv_big_button_create(scr, "F:/bmp_back70x40.bin", machine_menu.previous, PARA_UI_TURN_PAGE_POS_X, PARA_UI_TURN_PAGE_POS_Y, event_handler, ID_TMC_CURRENT_UP, true);
   }
 
-  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACL_POS_X, PARA_UI_BACL_POS_Y, event_handler, ID_TMC_CURRENT_RETURN, true);
+  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACK_POS_X, PARA_UI_BACK_POS_Y, event_handler, ID_TMC_CURRENT_RETURN, true);
 }
 
 void lv_clear_tmc_current_settings() {

Marlin/src/lcd/extui/mks_ui/draw_tmc_step_mode_settings.cpp

     lv_big_button_create(scr, "F:/bmp_back70x40.bin", machine_menu.previous, PARA_UI_TURN_PAGE_POS_X, PARA_UI_TURN_PAGE_POS_Y, event_handler, ID_TMC_MODE_UP, true);
   }
 
-  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACL_POS_X, PARA_UI_BACL_POS_Y, event_handler, ID_TMC_MODE_RETURN, true);
+  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACK_POS_X, PARA_UI_BACK_POS_Y, event_handler, ID_TMC_MODE_RETURN, true);
 }
 
 void lv_clear_tmc_step_mode_settings() {

Marlin/src/lcd/extui/mks_ui/draw_tramming_pos_settings.cpp

 void lv_draw_tramming_pos_settings() {
   char buf2[50];
 
-  scr = lv_screen_create(MANUAL_LEVELING_POSIGION_UI, machine_menu.LevelingParaConfTitle);
+  scr = lv_screen_create(MANUAL_LEVELING_POSITION_UI, machine_menu.LevelingParaConfTitle);
 
   if (!uiCfg.para_ui_page) {
     itoa(gCfgItems.trammingPos[0].x, public_buf_l, 10);
     lv_big_button_create(scr, "F:/bmp_back70x40.bin", machine_menu.previous, PARA_UI_TURN_PAGE_POS_X, PARA_UI_TURN_PAGE_POS_Y, event_handler, ID_MANUAL_POS_UP, true);
   }
 
-  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACL_POS_X + 10, PARA_UI_BACL_POS_Y, event_handler, ID_MANUAL_POS_RETURN, true);
+  lv_big_button_create(scr, "F:/bmp_back70x40.bin", common_menu.text_back, PARA_UI_BACK_POS_X + 10, PARA_UI_BACK_POS_Y, event_handler, ID_MANUAL_POS_RETURN, true);
 }
 
 void lv_clear_tramming_pos_settings() {

Marlin/src/lcd/extui/mks_ui/draw_ui.cpp

     case EXTRUSION_UI:        strcpy(public_buf_l, extrude_menu.title); break;
     case CHANGE_SPEED_UI:     strcpy(public_buf_l, speed_menu.title); break;
     case FAN_UI:              strcpy(public_buf_l, fan_menu.title); break;
-    case PRE_HEAT_UI:
+    case PREHEAT_UI:
       switch (disp_state_stack._disp_state[disp_state_stack._disp_index]) {
         case OPERATE_UI:      strcpy(public_buf_l, preheat_menu.adjust_title);
         default:              strcpy(public_buf_l, preheat_menu.title); break;
     case TOOL_UI:             strcpy(public_buf_l, tool_menu.title); break;
     case WIFI_LIST_UI:        TERN_(MKS_WIFI_MODULE, strcpy(public_buf_l, list_menu.title)); break;
     case MACHINE_PARA_UI:     strcpy(public_buf_l, MachinePara_menu.title); break;
-    case BABY_STEP_UI:        strcpy(public_buf_l, operation_menu.babystep); break;
+    case BABYSTEP_UI:         strcpy(public_buf_l, operation_menu.babystep); break;
     case EEPROM_SETTINGS_UI:  strcpy(public_buf_l, eeprom_menu.title); break;
     case MEDIA_SELECT_UI:     strcpy(public_buf_l, media_select_menu.title); break;
     default: break;
         disp_hotend_temp();
       }
       break;
-    case PRE_HEAT_UI:
+    case PREHEAT_UI:
       if (temps_update_flag) {
         temps_update_flag = false;
         disp_desire_temp();
       case WIFI_TIPS_UI:
         switch (wifi_tips_type) {
           case TIPS_TYPE_JOINING:
-            if (wifi_link_state == WIFI_CONNECTED && strcmp((const char *)wifi_list.wifiConnectedName,(const char *)wifi_list.wifiName[wifi_list.nameIndex]) == 0) {
+            if (wifi_link_state == WIFI_CONNECTED && strcmp((const char *)wifi_list.wifiConnectedName, (const char *)wifi_list.wifiName[wifi_list.nameIndex]) == 0) {
               tips_disp.timer = TIPS_TIMER_STOP;
               tips_disp.timer_count = 0;
 
         break;
     #endif
 
-    case BABY_STEP_UI:
+    case BABYSTEP_UI:
       if (temps_update_flag) {
         temps_update_flag = false;
         disp_z_offset_value();
     case OPERATE_UI:                  lv_clear_operation(); break;
     case PAUSE_UI:                    break;
     case EXTRUSION_UI:                lv_clear_extrusion(); break;
-    case PRE_HEAT_UI:                 lv_clear_preHeat(); break;
+    case PREHEAT_UI:                  lv_clear_preHeat(); break;
     case CHANGE_SPEED_UI:             lv_clear_change_speed(); break;
     case FAN_UI:                      lv_clear_fan(); break;
     case SET_UI:                      lv_clear_set(); break;
     case MACHINE_SETTINGS_UI:         lv_clear_machine_settings(); break;
     case TEMPERATURE_SETTINGS_UI:     break;
     case MOTOR_SETTINGS_UI:           lv_clear_motor_settings(); break;
-    case MACHINETYPE_UI:              break;
+    case MACHINE_TYPE_UI:             break;
     case STROKE_UI:                   break;
     case HOME_DIR_UI:                 break;
     case ENDSTOP_TYPE_UI:             break;
     case FILAMENT_SETTINGS_UI:        break;
-    case LEVELING_SETTIGNS_UI:        break;
     case LEVELING_PARA_UI:            lv_clear_level_settings(); break;
     case DELTA_LEVELING_PARA_UI:      break;
-    case MANUAL_LEVELING_POSIGION_UI: lv_clear_tramming_pos_settings(); break;
+    case MANUAL_LEVELING_POSITION_UI: lv_clear_tramming_pos_settings(); break;
     case MAXFEEDRATE_UI:              lv_clear_max_feedrate_settings(); break;
     case STEPS_UI:                    lv_clear_step_settings(); break;
     case ACCELERATION_UI:             lv_clear_acceleration_settings(); break;
     case DOUBLE_Z_UI:                 break;
     case ENABLE_INVERT_UI:            break;
     case NUMBER_KEY_UI:               lv_clear_number_key(); break;
-    case BABY_STEP_UI:                lv_clear_baby_stepping(); break;
+    case BABYSTEP_UI:                 lv_clear_baby_stepping(); break;
     case PAUSE_POS_UI:                lv_clear_pause_position(); break;
     #if HAS_TRINAMIC_CONFIG
       case TMC_CURRENT_UI:            lv_clear_tmc_current_settings(); break;
       case OPERATE_UI:                  lv_draw_operation(); break;
       case PAUSE_UI:                    break;
       case EXTRUSION_UI:                lv_draw_extrusion(); break;
-      case PRE_HEAT_UI:                 lv_draw_preHeat(); break;
+      case PREHEAT_UI:                  lv_draw_preHeat(); break;
       case CHANGE_SPEED_UI:             lv_draw_change_speed(); break;
       case FAN_UI:                      lv_draw_fan(); break;
       case SET_UI:                      lv_draw_set(); break;
       case MACHINE_SETTINGS_UI:         lv_draw_machine_settings(); break;
       case TEMPERATURE_SETTINGS_UI:     break;
       case MOTOR_SETTINGS_UI:           lv_draw_motor_settings(); break;
-      case MACHINETYPE_UI:              break;
+      case MACHINE_TYPE_UI:             break;
       case STROKE_UI:                   break;
       case HOME_DIR_UI:                 break;
       case ENDSTOP_TYPE_UI:             break;
       case FILAMENT_SETTINGS_UI:        lv_draw_filament_settings(); break;
-      case LEVELING_SETTIGNS_UI:        break;
       case LEVELING_PARA_UI:            lv_draw_level_settings(); break;
       case DELTA_LEVELING_PARA_UI:      break;
-      case MANUAL_LEVELING_POSIGION_UI: lv_draw_tramming_pos_settings(); break;
+      case MANUAL_LEVELING_POSITION_UI: lv_draw_tramming_pos_settings(); break;
       case MAXFEEDRATE_UI:              lv_draw_max_feedrate_settings(); break;
       case STEPS_UI:                    lv_draw_step_settings(); break;
       case ACCELERATION_UI:             lv_draw_acceleration_settings(); break;
       case ENABLE_INVERT_UI:            break;
       case NUMBER_KEY_UI:               lv_draw_number_key(); break;
       case DIALOG_UI:                   break;
-      case BABY_STEP_UI:                lv_draw_baby_stepping(); break;
+      case BABYSTEP_UI:                 lv_draw_baby_stepping(); break;
       case PAUSE_POS_UI:                lv_draw_pause_position(); break;
       #if HAS_TRINAMIC_CONFIG
         case TMC_CURRENT_UI:            lv_draw_tmc_current_settings(); break;

Marlin/src/lcd/extui/mks_ui/draw_ui.h

 
   #define PARA_UI_ARROW_V          12
 
-  #define PARA_UI_BACL_POS_X        400
-  #define PARA_UI_BACL_POS_Y        270
+  #define PARA_UI_BACK_POS_X        400
+  #define PARA_UI_BACK_POS_Y        270
 
   #define PARA_UI_TURN_PAGE_POS_X   320
   #define PARA_UI_TURN_PAGE_POS_Y   270
   PAUSE_UI,
   EXTRUSION_UI,
   FAN_UI,
-  PRE_HEAT_UI,
+  PREHEAT_UI,
   CHANGE_SPEED_UI,
   TEMP_UI,
   SET_UI,
   MACHINE_SETTINGS_UI,
   TEMPERATURE_SETTINGS_UI,
   MOTOR_SETTINGS_UI,
-  MACHINETYPE_UI,
+  MACHINE_TYPE_UI,
   STROKE_UI,
   HOME_DIR_UI,
   ENDSTOP_TYPE_UI,
   FILAMENT_SETTINGS_UI,
-  LEVELING_SETTIGNS_UI,
   LEVELING_PARA_UI,
   DELTA_LEVELING_PARA_UI,
-  MANUAL_LEVELING_POSIGION_UI,
+  MANUAL_LEVELING_POSITION_UI,
   MAXFEEDRATE_UI,
   STEPS_UI,
   ACCELERATION_UI,
   DOUBLE_Z_UI,
   ENABLE_INVERT_UI,
   NUMBER_KEY_UI,
-  BABY_STEP_UI,
+  BABYSTEP_UI,
   ERROR_MESSAGE_UI,
   PAUSE_POS_UI,
   TMC_CURRENT_UI,
   ENCODER_SETTINGS_UI,
   TOUCH_CALIBRATION_UI,
   GCODE_UI,
-  MEDIA_SELECT_UI,
+  MEDIA_SELECT_UI
 } DISP_STATE;
 
 typedef struct {

Marlin/src/lcd/extui/mks_ui/draw_wifi_settings.cpp

   lv_obj_t *buttonConfig = lv_imgbtn_create(scr, "F:/bmp_back70x40.bin", PARA_UI_TURN_PAGE_POS_X, PARA_UI_TURN_PAGE_POS_Y, event_handler, ID_WIFI_CONFIG);
   lv_obj_t *labelConfig = lv_label_create_empty(buttonConfig);
 
-  lv_obj_t *buttonBack = lv_imgbtn_create(scr, "F:/bmp_back70x40.bin", PARA_UI_BACL_POS_X, PARA_UI_BACL_POS_Y, event_handler, ID_WIFI_RETURN);
+  lv_obj_t *buttonBack = lv_imgbtn_create(scr, "F:/bmp_back70x40.bin", PARA_UI_BACK_POS_X, PARA_UI_BACK_POS_Y, event_handler, ID_WIFI_RETURN);
   lv_obj_t *label_Back = lv_label_create_empty(buttonBack);
 
   if (gCfgItems.multiple_language) {

Marlin/src/lcd/extui/mks_ui/wifi_module.cpp

 
         #if DISABLED(EMERGENCY_PARSER)
           // Process critical commands early
-          if (strcmp(command, "M108") == 0) {
+          if (strcmp_P(command, PSTR("M108")) == 0) {
             wait_for_heatup = false;
             TERN_(HAS_LCD_MENU, wait_for_user = false);
           }
-          if (strcmp(command, "M112") == 0) kill(FPSTR(M112_KILL_STR), nullptr, true);
-          if (strcmp(command, "M410") == 0) quickstop_stepper();
+          if (strcmp_P(command, PSTR("M112")) == 0) kill(FPSTR(M112_KILL_STR), nullptr, true);
+          if (strcmp_P(command, PSTR("M410")) == 0) quickstop_stepper();
         #endif
 
         // Add the command to the queue