Merge pull request #1912 from mkbel/use_enum_class_2

Use enum classes to save FLASH, unify naming convention

Firmware/Marlin.h

@@ -392,7 +392,7 @@ extern bool wizard_active; //autoload temporarily disabled during wizard
 extern LongTimer safetyTimer;
 
 #define PRINT_PERCENT_DONE_INIT   0xff
-#define PRINTER_ACTIVE (IS_SD_PRINTING || is_usb_printing || isPrintPaused || (custom_message_type == CUSTOM_MSG_TYPE_TEMCAL) || saved_printing || (lcd_commands_type == LCD_COMMAND_V2_CAL) || card.paused || mmu_print_saved)
+#define PRINTER_ACTIVE (IS_SD_PRINTING || is_usb_printing || isPrintPaused || (custom_message_type == CustomMsg::TempCal) || saved_printing || (lcd_commands_type == LcdCommands::Layer1Cal) || card.paused || mmu_print_saved)
 //! Beware - mcode_in_progress is set as soon as the command gets really processed,
 //! which is not the same as posting the M600 command into the command queue
 //! There can be a considerable lag between posting M600 and its real processing which might result

Firmware/Marlin_main.cpp

@@ -3159,7 +3159,7 @@ static void gcode_M600(bool automatic, float x_position, float y_position, float
 #endif //IR_SENSOR
 
     lcd_setstatuspgm(_T(WELCOME_MSG));
-    custom_message_type = CUSTOM_MSG_TYPE_STATUS;
+    custom_message_type = CustomMsg::Status;
 }
 
 //! @brief Rise Z if too low to avoid blob/jam before filament loading
@@ -3183,7 +3183,7 @@ void gcode_M701()
 	else
 	{
 		enable_z();
-		custom_message_type = CUSTOM_MSG_TYPE_F_LOAD;
+		custom_message_type = CustomMsg::FilamentLoading;
 
 #ifdef FSENSOR_QUALITY
 		fsensor_oq_meassure_start(40);
@@ -3213,7 +3213,7 @@ void gcode_M701()
 		lcd_setstatuspgm(_T(WELCOME_MSG));
 		disable_z();
 		loading_flag = false;
-		custom_message_type = CUSTOM_MSG_TYPE_STATUS;
+		custom_message_type = CustomMsg::Status;
 
 #ifdef FSENSOR_QUALITY
         fsensor_oq_meassure_stop();
@@ -4228,7 +4228,7 @@ if((eSoundMode==e_SOUND_MODE_LOUD)||(eSoundMode==e_SOUND_MODE_ONCE))
 //			setTargetHotend(200, 0);
 			setTargetBed(70 + (start_temp - 30));
 
-			custom_message_type = CUSTOM_MSG_TYPE_TEMCAL;
+			custom_message_type = CustomMsg::TempCal;
 			custom_message_state = 1;
 			lcd_setstatuspgm(_T(MSG_TEMP_CALIBRATION));
 			current_position[Z_AXIS] = MESH_HOME_Z_SEARCH;
@@ -4330,7 +4330,7 @@ if((eSoundMode==e_SOUND_MODE_LOUD)||(eSoundMode==e_SOUND_MODE_ONCE))
 			break;
 		}
 		puts_P(_N("PINDA probe calibration start"));
-		custom_message_type = CUSTOM_MSG_TYPE_TEMCAL;
+		custom_message_type = CustomMsg::TempCal;
 		custom_message_state = 1;
 		lcd_setstatuspgm(_T(MSG_TEMP_CALIBRATION));
 		current_position[X_AXIS] = PINDA_PREHEAT_X;
@@ -4398,7 +4398,7 @@ if((eSoundMode==e_SOUND_MODE_LOUD)||(eSoundMode==e_SOUND_MODE_ONCE))
 			
 		
 		}
-		custom_message_type = CUSTOM_MSG_TYPE_STATUS;
+		custom_message_type = CustomMsg::Status;
 
 		eeprom_update_byte((uint8_t*)EEPROM_CALIBRATION_STATUS_PINDA, 1);
 		puts_P(_N("Temperature calibration done."));
@@ -4458,7 +4458,7 @@ if((eSoundMode==e_SOUND_MODE_LOUD)||(eSoundMode==e_SOUND_MODE_ONCE))
 			// We don't know where we are! HOME!
 			// Push the commands to the front of the message queue in the reverse order!
 			// There shall be always enough space reserved for these commands.
-			if (lcd_commands_type != LCD_COMMAND_STOP_PRINT) {
+			if (lcd_commands_type != LcdCommands::StopPrint) {
 				repeatcommand_front(); // repeat G80 with all its parameters
 				enquecommand_front_P((PSTR("G28 W0")));
 			}
@@ -4498,7 +4498,7 @@ if((eSoundMode==e_SOUND_MODE_LOUD)||(eSoundMode==e_SOUND_MODE_ONCE))
 
 		if (temp_comp_start)
 		if (run == false && temp_cal_active == true && calibration_status_pinda() == true && target_temperature_bed >= 50) {
-			if (lcd_commands_type != LCD_COMMAND_STOP_PRINT) {
+			if (lcd_commands_type != LcdCommands::StopPrint) {
 				temp_compensation_start();
 				run = true;
 				repeatcommand_front(); // repeat G80 with all its parameters
@@ -4510,14 +4510,14 @@ if((eSoundMode==e_SOUND_MODE_LOUD)||(eSoundMode==e_SOUND_MODE_ONCE))
 			break;
 		}
 		run = false;
-		if (lcd_commands_type == LCD_COMMAND_STOP_PRINT) {
+		if (lcd_commands_type == LcdCommands::StopPrint) {
 			mesh_bed_leveling_flag = false;
 			break;
 		}
 		// Save custom message state, set a new custom message state to display: Calibrating point 9.
-		unsigned int custom_message_type_old = custom_message_type;
+		CustomMsg custom_message_type_old = custom_message_type;
 		unsigned int custom_message_state_old = custom_message_state;
-		custom_message_type = CUSTOM_MSG_TYPE_MESHBL;
+		custom_message_type = CustomMsg::MeshBedLeveling;
 		custom_message_state = (nMeasPoints * nMeasPoints) + 10;
 		lcd_update(1);
 
@@ -4717,7 +4717,7 @@ if((eSoundMode==e_SOUND_MODE_LOUD)||(eSoundMode==e_SOUND_MODE_ONCE))
                     enable_z_endstop(bState);
                     } while (st_get_position_mm(Z_AXIS) > MESH_HOME_Z_SEARCH); // i.e. Z-leveling not o.k.
 //               plan_set_z_position(MESH_HOME_Z_SEARCH); // is not necessary ('do-while' loop always ends at the expected Z-position)
-               custom_message_type=CUSTOM_MSG_TYPE_STATUS; // display / status-line recovery
+               custom_message_type=CustomMsg::Status; // display / status-line recovery
                lcd_update_enable(true);           // display / status-line recovery
                gcode_G28(true, true, true);       // X & Y & Z-homing (must be after individual Z-homing (problem with spool-holder)!)
                repeatcommand_front();             // re-run (i.e. of "G80")
@@ -7729,9 +7729,9 @@ bool bInhibitFlag;
 #ifdef IR_SENSOR
           bInhibitFlag=(menu_menu==lcd_menu_show_sensors_state); // Support::SensorInfo menu active
 #endif // IR_SENSOR
-          if ((mcode_in_progress != 600) && (eFilamentAction != e_FILAMENT_ACTION_autoLoad) && (!bInhibitFlag)) //M600 not in progress, preHeat @ autoLoad menu not active, Support::ExtruderInfo/SensorInfo menu not active
+          if ((mcode_in_progress != 600) && (eFilamentAction != FilamentAction::AutoLoad) && (!bInhibitFlag)) //M600 not in progress, preHeat @ autoLoad menu not active, Support::ExtruderInfo/SensorInfo menu not active
 		{
-			if (!moves_planned() && !IS_SD_PRINTING && !is_usb_printing && (lcd_commands_type != LCD_COMMAND_V2_CAL) && !wizard_active)
+			if (!moves_planned() && !IS_SD_PRINTING && !is_usb_printing && (lcd_commands_type != LcdCommands::Layer1Cal) && !wizard_active)
 			{
 				if (fsensor_check_autoload())
 				{
@@ -7755,7 +7755,7 @@ if(0)
 						show_preheat_nozzle_warning();
 						lcd_update_enable(true);
 */
-                              eFilamentAction=e_FILAMENT_ACTION_autoLoad;
+                              eFilamentAction=FilamentAction::AutoLoad;
                               bFilamentFirstRun=false;
                               if(target_temperature[0]>=EXTRUDE_MINTEMP)
                               {
@@ -8246,7 +8246,7 @@ void bed_check(float x_dimension, float y_dimension, int x_points_num, int y_poi
 
 	unsigned int custom_message_type_old = custom_message_type;
 	unsigned int custom_message_state_old = custom_message_state;
-	custom_message_type = CUSTOM_MSG_TYPE_MESHBL;
+	custom_message_type = CustomMsg::MeshBedLeveling;
 	custom_message_state = (x_points_num * y_points_num) + 10;
 	lcd_update(1);
 
@@ -8444,7 +8444,7 @@ void bed_analysis(float x_dimension, float y_dimension, int x_points_num, int y_
 	}
 	unsigned int custom_message_type_old = custom_message_type;
 	unsigned int custom_message_state_old = custom_message_state;
-	custom_message_type = CUSTOM_MSG_TYPE_MESHBL;
+	custom_message_type = CustomMsg::MeshBedLeveling;
 	custom_message_state = (x_points_num * y_points_num) + 10;
 	lcd_update(1);
 
@@ -8594,7 +8594,7 @@ void bed_analysis(float x_dimension, float y_dimension, int x_points_num, int y_
 
 void temp_compensation_start() {
 	
-	custom_message_type = CUSTOM_MSG_TYPE_TEMPRE;
+	custom_message_type = CustomMsg::TempCompPreheat;
 	custom_message_state = PINDA_HEAT_T + 1;
 	lcd_update(2);
 	if (degHotend(active_extruder) > EXTRUDE_MINTEMP) {
@@ -8615,7 +8615,7 @@ void temp_compensation_start() {
 		if (custom_message_state == 99 || custom_message_state == 9) lcd_update(2); //force whole display redraw if number of digits changed
 		else lcd_update(1);
 	}	
-	custom_message_type = CUSTOM_MSG_TYPE_STATUS;
+	custom_message_type = CustomMsg::Status;
 	custom_message_state = 0;
 }
 

Firmware/cmdqueue.cpp

@@ -598,7 +598,7 @@ void get_command()
         if (farm_mode)
         {
             prusa_statistics(6);
-            lcd_commands_type = LCD_COMMAND_FARM_MODE_CONFIRM;
+            lcd_commands_type = LcdCommands::FarmModeConfirm;
         }
 
       }

Firmware/mmu.cpp

@@ -1076,7 +1076,7 @@ if(0)
      extr_unload();
      }
 else	{
-     eFilamentAction=e_FILAMENT_ACTION_mmuUnLoad;
+     eFilamentAction=FilamentAction::MmuUnLoad;
      bFilamentFirstRun=false;
      if(target_temperature[0]>=EXTRUDE_MINTEMP)
           {
@@ -1372,13 +1372,13 @@ void lcd_mmu_load_to_nozzle(uint8_t filament_nr)
         mmu_load_to_nozzle();
         load_filament_final_feed();
         st_synchronize();
-        custom_message_type = CUSTOM_MSG_TYPE_F_LOAD;
+        custom_message_type = CustomMsg::FilamentLoading;
         lcd_setstatuspgm(_T(MSG_LOADING_FILAMENT));
         lcd_return_to_status();
         lcd_update_enable(true);
         lcd_load_filament_color_check();
         lcd_setstatuspgm(_T(WELCOME_MSG));
-        custom_message_type = CUSTOM_MSG_TYPE_STATUS;
+        custom_message_type = CustomMsg::Status;
     }
     else
     {
@@ -1511,20 +1511,20 @@ void mmu_continue_loading(bool blocking)
 
     enum class Ls : uint_least8_t
     {
-        enter,
-        retry,
-        unload,
+        Enter,
+        Retry,
+        Unload,
     };
-    Ls state = Ls::enter;
+    Ls state = Ls::Enter;
 
     while (PIN_GET(IR_SENSOR_PIN) != 0)
     {
         switch (state)
         {
-        case Ls::enter:
+        case Ls::Enter:
             increment_load_fail();
             // no break
-        case Ls::retry:
+        case Ls::Retry:
 #ifdef MMU_HAS_CUTTER
             if (1 == eeprom_read_byte((uint8_t*)EEPROM_MMU_CUTTER_ENABLED))
             {
@@ -1535,9 +1535,9 @@ void mmu_continue_loading(bool blocking)
             mmu_command(MmuCmd::T0 + tmp_extruder);
             manage_response(true, true, MMU_TCODE_MOVE);
             load_more();
-            state = Ls::unload;
+            state = Ls::Unload;
             break;
-        case Ls::unload:
+        case Ls::Unload:
             stop_and_save_print_to_ram(0, 0);
 
             //lift z
@@ -1562,7 +1562,7 @@ void mmu_continue_loading(bool blocking)
             {
                 marlin_wait_for_click();
                 restore_print_from_ram_and_continue(0);
-                state = Ls::retry;
+                state = Ls::Retry;
             }
             else
             {

Firmware/temperature.cpp

@@ -2053,8 +2053,8 @@ void check_max_temp()
 struct alert_automaton_mintemp {
 private:
 	enum { ALERT_AUTOMATON_SPEED_DIV = 5 };
-	enum class States : uint8_t { INIT = 0, TEMP_ABOVE_MINTEMP, SHOW_PLEASE_RESTART, SHOW_MINTEMP };
-	States state = States::INIT;
+	enum class States : uint8_t { Init = 0, TempAboveMintemp, ShowPleaseRestart, ShowMintemp };
+	States state = States::Init;
 	uint8_t repeat = ALERT_AUTOMATON_SPEED_DIV;
 
 	void substep(States next_state){
@@ -2073,26 +2073,26 @@ public:
 		static const char m2[] PROGMEM = "MINTEMP fixed";
 		static const char m1[] PROGMEM = "Please restart";
 		switch(state){
-		case States::INIT: // initial state - check hysteresis
+		case States::Init: // initial state - check hysteresis
 			if( current_temp > mintemp ){
-				state = States::TEMP_ABOVE_MINTEMP;
+				state = States::TempAboveMintemp;
 			}
 			// otherwise keep the Err MINTEMP alert message on the display,
 			// i.e. do not transfer to state 1
 			break;
-		case States::TEMP_ABOVE_MINTEMP: // the temperature has risen above the hysteresis check
+		case States::TempAboveMintemp: // the temperature has risen above the hysteresis check
 			lcd_setalertstatuspgm(m2);
-			substep(States::SHOW_MINTEMP);
+			substep(States::ShowMintemp);
 			last_alert_sent_to_lcd = LCDALERT_MINTEMPFIXED;
 			break;
-		case States::SHOW_PLEASE_RESTART: // displaying "Please restart"
+		case States::ShowPleaseRestart: // displaying "Please restart"
 			lcd_updatestatuspgm(m1);
-			substep(States::SHOW_MINTEMP);
+			substep(States::ShowMintemp);
 			last_alert_sent_to_lcd = LCDALERT_PLEASERESTART;
 			break;
-		case States::SHOW_MINTEMP: // displaying "MINTEMP fixed"
+		case States::ShowMintemp: // displaying "MINTEMP fixed"
 			lcd_updatestatuspgm(m2);
-			substep(States::SHOW_PLEASE_RESTART);
+			substep(States::ShowPleaseRestart);
 			last_alert_sent_to_lcd = LCDALERT_MINTEMPFIXED;
 			break;
 		}

Firmware/ultralcd.cpp

@@ -74,10 +74,10 @@ extern void crashdet_disable();
 bool presort_flag = false;
 #endif
 
-uint8_t lcd_commands_type = LCD_COMMAND_IDLE;
+LcdCommands lcd_commands_type = LcdCommands::Idle;
 static uint8_t lcd_commands_step = 0;
 
-unsigned int custom_message_type = CUSTOM_MSG_TYPE_STATUS;
+CustomMsg custom_message_type = CustomMsg::Status;
 unsigned int custom_message_state = 0;
 
 
@@ -85,7 +85,7 @@ bool isPrintPaused = false;
 uint8_t farm_mode = 0;
 int farm_no = 0;
 int farm_timer = 8;
-int farm_status = 0;
+uint8_t farm_status = 0;
 bool printer_connected = true;
 
 unsigned long display_time; //just timer for showing pid finished message on lcd;
@@ -167,42 +167,42 @@ static bool lcd_selfcheck_pulleys(int axis);
 #endif //TMC2130
 
 static bool lcd_selfcheck_check_heater(bool _isbed);
-enum class testScreen : uint_least8_t
-{
-    extruderFan,
-    printFan,
-    fansOk,
-    endStops,
-    axisX,
-    axisY,
-    axisZ,
-    bed,
-    hotend,
-    hotendOk,
-    fsensor,
-    fsensorOk,
-    allCorrect,
-    failed,
-    home,
+enum class TestScreen : uint_least8_t
+{
+    ExtruderFan,
+    PrintFan,
+    FansOk,
+    EndStops,
+    AxisX,
+    AxisY,
+    AxisZ,
+    Bed,
+    Hotend,
+    HotendOk,
+    Fsensor,
+    FsensorOk,
+    AllCorrect,
+    Failed,
+    Home,
 };
 
 enum class TestError : uint_least8_t
 {
-    heater,
-    bed,
-    endstops,
-    motor,
-    endstop,
-    printFan,
-    extruderFan,
-    pulley,
-    axis,
-    swappedFan,
-    wiringFsensor,
-    triggeringFsensor,
+    Heater,
+    Bed,
+    Endstops,
+    Motor,
+    Endstop,
+    PrintFan,
+    ExtruderFan,
+    Pulley,
+    Axis,
+    SwappedFan,
+    WiringFsensor,
+    TriggeringFsensor,
 };
 
-static int  lcd_selftest_screen(testScreen screen, int _progress, int _progress_scale, bool _clear, int _delay);
+static int  lcd_selftest_screen(TestScreen screen, int _progress, int _progress_scale, bool _clear, int _delay);
 static void lcd_selftest_screen_step(int _row, int _col, int _state, const char *_name, const char *_indicator);
 static bool lcd_selftest_manual_fan_check(int _fan, bool check_opposite,
 	bool _default=false);
@@ -211,10 +211,10 @@ static bool lcd_selftest_manual_fan_check(int _fan, bool check_opposite,
 /** Enumerate for lcd_selftest_fan_auto function.
  */
 enum class FanCheck : uint_least8_t {
-    success,
-    printFan = TestError::printFan,
-    extruderFan = TestError::extruderFan,
-    swappedFan = TestError::swappedFan,
+    Success,
+    PrintFan,
+    ExtruderFan,
+    SwappedFan,
 };
 
 /**
@@ -566,7 +566,7 @@ void lcdui_print_temp(char type, int val_current, int val_target)
 // Print Z-coordinate (8 chars total)
 void lcdui_print_Z_coord(void)
 {
-    if (custom_message_type == CUSTOM_MSG_TYPE_MESHBL)
+    if (custom_message_type == CustomMsg::MeshBedLeveling)
         lcd_puts_P(_N("Z   --- "));
     else
 		lcd_printf_P(_N("Z%6.2f "), current_position[Z_AXIS]);
@@ -761,7 +761,7 @@ void lcdui_print_status_line(void)
 			break;
 		}
 	}
-	else if ((IS_SD_PRINTING) && (custom_message_type == CUSTOM_MSG_TYPE_STATUS))
+	else if ((IS_SD_PRINTING) && (custom_message_type == CustomMsg::Status))
 	{ // If printing from SD, show what we are printing
 		if(strlen(card.longFilename) > LCD_WIDTH)
 		{
@@ -795,10 +795,10 @@ void lcdui_print_status_line(void)
 	{ // Otherwise check for other special events
    		switch (custom_message_type)
 		{
-		case CUSTOM_MSG_TYPE_STATUS: // Nothing special, print status message normally
+		case CustomMsg::Status: // Nothing special, print status message normally
 			lcd_print(lcd_status_message);
 			break;
-		case CUSTOM_MSG_TYPE_MESHBL: // If mesh bed leveling in progress, show the status
+		case CustomMsg::MeshBedLeveling: // If mesh bed leveling in progress, show the status
 			if (custom_message_state > 10)
 			{
 				lcd_set_cursor(0, 3);
@@ -814,7 +814,7 @@ void lcdui_print_status_line(void)
 				{
 					lcd_puts_P(_T(WELCOME_MSG));
 					lcd_setstatuspgm(_T(WELCOME_MSG));
-					custom_message_type = CUSTOM_MSG_TYPE_STATUS;
+					custom_message_type = CustomMsg::Status;
 				}
 				if (custom_message_state > 3 && custom_message_state <= 10 )
 				{
@@ -826,10 +826,10 @@ void lcdui_print_status_line(void)
 				}
 			}
 			break;
-		case CUSTOM_MSG_TYPE_F_LOAD: // If loading filament, print status
+		case CustomMsg::FilamentLoading: // If loading filament, print status
 			lcd_print(lcd_status_message);
 			break;
-		case CUSTOM_MSG_TYPE_PIDCAL: // PID tuning in progress
+		case CustomMsg::PidCal: // PID tuning in progress
 			lcd_print(lcd_status_message);
 			if (pid_cycle <= pid_number_of_cycles && custom_message_state > 0)
 			{
@@ -839,7 +839,7 @@ void lcdui_print_status_line(void)
 				lcd_print(itostr3left(pid_number_of_cycles));
 			}
 			break;
-		case CUSTOM_MSG_TYPE_TEMCAL: // PINDA temp calibration in progress
+		case CustomMsg::TempCal: // PINDA temp calibration in progress
 			{
 				char progress[4];
 				lcd_set_cursor(0, 3);
@@ -849,7 +849,7 @@ void lcdui_print_status_line(void)
 				lcd_print(progress);
 			}
 			break;
-		case CUSTOM_MSG_TYPE_TEMPRE: // temp compensation preheat
+		case CustomMsg::TempCompPreheat: // temp compensation preheat
 			lcd_set_cursor(0, 3);
 			lcd_puts_P(_i("PINDA Heating"));////MSG_PINDA_PREHEAT c=20 r=1
 			if (custom_message_state <= PINDA_HEAT_T)
@@ -997,7 +997,7 @@ static void lcd_status_screen()
 		} // end of farm_mode
 
 		lcd_status_update_delay = 10;   /* redraw the main screen every second. This is easier then trying keep track of all things that change on the screen */
-		if (lcd_commands_type != LCD_COMMAND_IDLE)
+		if (lcd_commands_type != LcdCommands::Idle)
 			lcd_commands();
 	} // end of lcd_draw_update
 
@@ -1021,7 +1021,7 @@ static void lcd_status_screen()
 	}
 
 	if (current_click
-		&& (lcd_commands_type != LCD_COMMAND_STOP_PRINT) //click is aborted unless stop print finishes
+		&& (lcd_commands_type != LcdCommands::StopPrint) //click is aborted unless stop print finishes
 		&& ( menu_block_entering_on_serious_errors == SERIOUS_ERR_NONE ) // or a serious error blocks entering the menu
 	)
 	{
@@ -1063,15 +1063,15 @@ static void lcd_status_screen()
 
 void lcd_commands()
 {	
-	if (lcd_commands_type == LCD_COMMAND_LONG_PAUSE)
+	if (lcd_commands_type == LcdCommands::LongPause)
 	{
 		if (!blocks_queued() && !homing_flag)
 		{
 			lcd_setstatuspgm(_i("Print paused"));////MSG_PRINT_PAUSED c=20 r=1
 			long_pause();
-               if (lcd_commands_type == LCD_COMMAND_LONG_PAUSE) // !!! because "lcd_commands_type" can be changed during/inside "long_pause()"
+               if (lcd_commands_type == LcdCommands::LongPause) // !!! because "lcd_commands_type" can be changed during/inside "long_pause()"
                {
-                    lcd_commands_type = 0;
+                    lcd_commands_type = LcdCommands::Idle;
                     lcd_commands_step = 0;
                }
 		}
@@ -1079,7 +1079,7 @@ void lcd_commands()
 
 
 #ifdef SNMM
-	if (lcd_commands_type == LCD_COMMAND_V2_CAL)
+	if (lcd_commands_type == LcdCommands::Layer1Cal)
 	{
 		char cmd1[30];
 		float width = 0.4;
@@ -1344,7 +1344,7 @@ void lcd_commands()
 
 #else //if not SNMM
 
-	if (lcd_commands_type == LCD_COMMAND_V2_CAL)
+	if (lcd_commands_type == LcdCommands::Layer1Cal)
 	{
 		char cmd1[30];
 		static uint8_t filament = 0;
@@ -1440,7 +1440,7 @@ void lcd_commands()
             case 1:
                 lcd_setstatuspgm(_T(WELCOME_MSG));
                 lcd_commands_step = 0;
-                lcd_commands_type = 0;
+                lcd_commands_type = LcdCommands::Idle;
                 if (eeprom_read_byte((uint8_t*)EEPROM_WIZARD_ACTIVE) == 1)
                 {
                     lcd_wizard(WizState::RepeatLay1Cal);
@@ -1452,7 +1452,7 @@ void lcd_commands()
 
 #endif // not SNMM
 
-	if (lcd_commands_type == LCD_COMMAND_STOP_PRINT)   /// stop print
+	if (lcd_commands_type == LcdCommands::StopPrint)   /// stop print
 	{
 		
 
@@ -1464,9 +1464,9 @@ void lcd_commands()
 		if (lcd_commands_step == 1 && !blocks_queued())
 		{
 			lcd_commands_step = 0;
-			lcd_commands_type = 0;
+			lcd_commands_type = LcdCommands::Idle;
 			lcd_setstatuspgm(_T(WELCOME_MSG));
-			custom_message_type = CUSTOM_MSG_TYPE_STATUS;
+			custom_message_type = CustomMsg::Status;
 			isPrintPaused = false;
 		}
 		if (lcd_commands_step == 2 && !blocks_queued())
@@ -1522,7 +1522,7 @@ void lcd_commands()
 			if (mmu_enabled)
 				setAllTargetHotends(0);
 			manage_heater();
-			custom_message_type = CUSTOM_MSG_TYPE_F_LOAD;
+			custom_message_type = CustomMsg::FilamentLoading;
 			lcd_commands_step = 5;
 		}
 		if (lcd_commands_step == 7 && !blocks_queued())
@@ -1544,12 +1544,7 @@ void lcd_commands()
 		}
 	}
 
-	if (lcd_commands_type == 3)
-	{
-		lcd_commands_type = 0;
-	}
-
-	if (lcd_commands_type == LCD_COMMAND_FARM_MODE_CONFIRM)   /// farm mode confirm
+	if (lcd_commands_type == LcdCommands::FarmModeConfirm)   /// farm mode confirm
 	{
 
 		if (lcd_commands_step == 0) { lcd_commands_step = 6; }
@@ -1558,7 +1553,7 @@ void lcd_commands()
 		{
 			lcd_confirm_print();
 			lcd_commands_step = 0;
-			lcd_commands_type = 0;
+			lcd_commands_type = LcdCommands::Idle;
 		}
 		if (lcd_commands_step == 2 && !blocks_queued())
 		{
@@ -1591,11 +1586,11 @@ void lcd_commands()
 		}
 
 	}
-	if (lcd_commands_type == LCD_COMMAND_PID_EXTRUDER) {
+	if (lcd_commands_type == LcdCommands::PidExtruder) {
 		char cmd1[30];
 		
 		if (lcd_commands_step == 0) {
-			custom_message_type = CUSTOM_MSG_TYPE_PIDCAL;
+			custom_message_type = CustomMsg::PidCal;
 			custom_message_state = 1;
 			lcd_draw_update = 3;
 			lcd_commands_step = 3;
@@ -1631,10 +1626,10 @@ void lcd_commands()
 		}
 		if ((lcd_commands_step == 1) && ((_millis()- display_time)>2000)) { //calibration finished message
 			lcd_setstatuspgm(_T(WELCOME_MSG));
-			custom_message_type = CUSTOM_MSG_TYPE_STATUS;
+			custom_message_type = CustomMsg::Status;
 			pid_temp = DEFAULT_PID_TEMP;
 			lcd_commands_step = 0;
-			lcd_commands_type = 0;
+			lcd_commands_type = LcdCommands::Idle;
 		}
 	}
 
@@ -1646,7 +1641,7 @@ void lcd_return_to_status()
 	lcd_refresh(); // to maybe revive the LCD if static electricity killed it.
 	menu_goto(lcd_status_screen, 0, false, true);
 	menu_depth = 0;
-     eFilamentAction=e_FILAMENT_ACTION_none; // i.e. non-autoLoad
+     eFilamentAction=FilamentAction::None; // i.e. non-autoLoad
 }
 
 //! @brief Pause print, disable nozzle heater, move to park position
@@ -1656,9 +1651,9 @@ void lcd_pause_print()
     stop_and_save_print_to_ram(0.0,0.0);
     setAllTargetHotends(0);
     isPrintPaused = true;
-    if (LCD_COMMAND_IDLE == lcd_commands_type)
+    if (LcdCommands::Idle == lcd_commands_type)
     {
-        lcd_commands_type = LCD_COMMAND_LONG_PAUSE;
+        lcd_commands_type = LcdCommands::LongPause;
     }
 }
 
@@ -1799,7 +1794,7 @@ void lcd_menu_extruder_info()                     // NOT static due to using ins
 			lcd_puts_P(_N("Filament sensor\n" "is disabled."));
 		else
 		{
-			if (!moves_planned() && !IS_SD_PRINTING && !is_usb_printing && (lcd_commands_type != LCD_COMMAND_V2_CAL))
+			if (!moves_planned() && !IS_SD_PRINTING && !is_usb_printing && (lcd_commands_type != LcdCommands::Layer1Cal))
 				pat9125_update();
 			lcd_printf_P(_N(
 				"Fil. Xd:%3d Yd:%3d\n"
@@ -2184,7 +2179,7 @@ void lcd_set_filament_oq_meass()
 }
 
 
-eFILAMENT_ACTION eFilamentAction=e_FILAMENT_ACTION_none; // must be initialized as 'non-autoLoad'
+FilamentAction eFilamentAction=FilamentAction::None; // must be initialized as 'non-autoLoad'
 bool bFilamentFirstRun;
 bool bFilamentPreheatState;
 bool bFilamentAction=false;
@@ -2201,18 +2196,18 @@ lcd_puts_P(_i("Press the knob"));                 ////MSG_ c=20 r=1
 lcd_set_cursor(0,3);
 switch(eFilamentAction)
      {
-     case e_FILAMENT_ACTION_Load:
-     case e_FILAMENT_ACTION_autoLoad:
-     case e_FILAMENT_ACTION_mmuLoad:
+     case FilamentAction::Load:
+     case FilamentAction::AutoLoad:
+     case FilamentAction::MmuLoad:
           lcd_puts_P(_i("to load filament"));     ////MSG_ c=20 r=1
           break;
-     case e_FILAMENT_ACTION_unLoad:
-     case e_FILAMENT_ACTION_mmuUnLoad:
+     case FilamentAction::UnLoad:
+     case FilamentAction::MmuUnLoad:
           lcd_puts_P(_i("to unload filament"));   ////MSG_ c=20 r=1
           break;
-     case e_FILAMENT_ACTION_mmuEject:
-     case e_FILAMENT_ACTION_mmuCut:
-     case e_FILAMENT_ACTION_none:
+     case FilamentAction::MmuEject:
+     case FilamentAction::MmuCut:
+     case FilamentAction::None:
           break;
      }
 if(lcd_clicked())
@@ -2226,21 +2221,21 @@ if(lcd_clicked())
      menu_back(nLevel);
      switch(eFilamentAction)
           {
-          case e_FILAMENT_ACTION_autoLoad:
-               eFilamentAction=e_FILAMENT_ACTION_none; // i.e. non-autoLoad
+          case FilamentAction::AutoLoad:
+               eFilamentAction=FilamentAction::None; // i.e. non-autoLoad
                // no break
-          case e_FILAMENT_ACTION_Load:
+          case FilamentAction::Load:
                loading_flag=true;
                enquecommand_P(PSTR("M701"));      // load filament
                break;
-          case e_FILAMENT_ACTION_unLoad:
+          case FilamentAction::UnLoad:
                enquecommand_P(PSTR("M702"));      // unload filament
                break;
-          case e_FILAMENT_ACTION_mmuLoad:
-          case e_FILAMENT_ACTION_mmuUnLoad:
-          case e_FILAMENT_ACTION_mmuEject:
-          case e_FILAMENT_ACTION_mmuCut:
-          case e_FILAMENT_ACTION_none:
+          case FilamentAction::MmuLoad:
+          case FilamentAction::MmuUnLoad:
+          case FilamentAction::MmuEject:
+          case FilamentAction::MmuCut:
+          case FilamentAction::None:
                break;
           }
      }
@@ -2264,19 +2259,19 @@ lcdui_print_temp(LCD_STR_THERMOMETER[0],(int)degHotend(0),(int)degTargetHotend(0
 lcd_set_cursor(0,1);
 switch(eFilamentAction)
      {
-     case e_FILAMENT_ACTION_Load:
-     case e_FILAMENT_ACTION_autoLoad:
-     case e_FILAMENT_ACTION_mmuLoad:
+     case eFILAMENT_ACTION::load:
+     case eFILAMENT_ACTION::autoLoad:
+     case eFILAMENT_ACTION::mmuLoad:
           lcd_puts_P(_i("Preheating to load"));   ////MSG_ c=20 r=1
           break;
-     case e_FILAMENT_ACTION_unLoad:
-     case e_FILAMENT_ACTION_mmuUnLoad:
+     case eFILAMENT_ACTION::unLoad:
+     case eFILAMENT_ACTION::mmuUnLoad:
           lcd_puts_P(_i("Preheating to unload")); ////MSG_ c=20 r=1
           break;
-     case e_FILAMENT_ACTION_mmuEject:
+     case eFILAMENT_ACTION::mmuEject:
           lcd_puts_P(_i("Preheating to eject"));  ////MSG_ c=20 r=1
           break;
-     case e_FILAMENT_ACTION_mmuCut:
+     case eFILAMENT_ACTION::mmuCut:
           lcd_puts_P(_i("Preheating to cut"));  ////MSG_ c=20 r=1
           break;
      }
@@ -2295,20 +2290,20 @@ if(lcd_clicked())
           setTargetBed((float)nTargetBedOld);
           }
      menu_back();
-     if(eFilamentAction==e_FILAMENT_ACTION_autoLoad)
-          eFilamentAction=e_FILAMENT_ACTION_none; // i.e. non-autoLoad
+     if(eFilamentAction==eFILAMENT_ACTION::autoLoad)
+          eFilamentAction=eFILAMENT_ACTION::none; // i.e. non-autoLoad
      }
 else {
      if(current_temperature[0]>(target_temperature[0]*0.95))
           {
           switch(eFilamentAction)
                {
-               case e_FILAMENT_ACTION_Load:
-               case e_FILAMENT_ACTION_autoLoad:
-               case e_FILAMENT_ACTION_unLoad:
+               case eFILAMENT_ACTION::load:
+               case eFILAMENT_ACTION::autoLoad:
+               case eFILAMENT_ACTION::unLoad:
                     menu_submenu(mFilamentPrompt);
                     break;
-               case e_FILAMENT_ACTION_mmuLoad:
+               case eFILAMENT_ACTION::mmuLoad:
                     nLevel=1;
                     if(!bFilamentPreheatState)
                          nLevel++;
@@ -2316,7 +2311,7 @@ else {
                     menu_back(nLevel);
                     menu_submenu(mmu_load_to_nozzle_menu);
                     break;
-               case e_FILAMENT_ACTION_mmuUnLoad:
+               case eFILAMENT_ACTION::mmuUnLoad:
                     nLevel=1;
                     if(!bFilamentPreheatState)
                          nLevel++;
@@ -2324,7 +2319,7 @@ else {
                     menu_back(nLevel);
                     extr_unload();
                     break;
-               case e_FILAMENT_ACTION_mmuEject:
+               case eFILAMENT_ACTION::mmuEject:
                     nLevel=1;
                     if(!bFilamentPreheatState)
                          nLevel++;
@@ -2332,7 +2327,7 @@ else {
                     menu_back(nLevel);
                     menu_submenu(mmu_fil_eject_menu);
                     break;
-               case e_FILAMENT_ACTION_mmuCut:
+               case eFILAMENT_ACTION::mmuCut:
                     nLevel=1;
                     if(!bFilamentPreheatState)
                          nLevel++;
@@ -2365,44 +2360,44 @@ if(current_temperature[0]>(target_temperature[0]*0.95))
      {
      switch(eFilamentAction)
           {
-          case e_FILAMENT_ACTION_Load:
-          case e_FILAMENT_ACTION_autoLoad:
-          case e_FILAMENT_ACTION_unLoad:
+          case FilamentAction::Load:
+          case FilamentAction::AutoLoad:
+          case FilamentAction::UnLoad:
                if(bFilamentWaitingFlag)
                     menu_submenu(mFilamentPrompt);
                else {
                     nLevel=bFilamentPreheatState?1:2;
                     menu_back(nLevel);
-                    if((eFilamentAction==e_FILAMENT_ACTION_Load)||(eFilamentAction==e_FILAMENT_ACTION_autoLoad))
+                    if((eFilamentAction==FilamentAction::Load)||(eFilamentAction==FilamentAction::AutoLoad))
                          {
                          loading_flag=true;
                          enquecommand_P(PSTR("M701")); // load filament
-                         if(eFilamentAction==e_FILAMENT_ACTION_autoLoad)
-                              eFilamentAction=e_FILAMENT_ACTION_none; // i.e. non-autoLoad
+                         if(eFilamentAction==FilamentAction::AutoLoad)
+                              eFilamentAction=FilamentAction::None; // i.e. non-autoLoad
                          }
-                    if(eFilamentAction==e_FILAMENT_ACTION_unLoad)
+                    if(eFilamentAction==FilamentAction::UnLoad)
                          enquecommand_P(PSTR("M702")); // unload filament
                     }
                break;
-          case e_FILAMENT_ACTION_mmuLoad:
+          case FilamentAction::MmuLoad:
                nLevel=bFilamentPreheatState?1:2;
                bFilamentAction=true;
                menu_back(nLevel);
                menu_submenu(mmu_load_to_nozzle_menu);
                break;
-          case e_FILAMENT_ACTION_mmuUnLoad:
+          case FilamentAction::MmuUnLoad:
                nLevel=bFilamentPreheatState?1:2;
                bFilamentAction=true;
                menu_back(nLevel);
                extr_unload();
                break;
-          case e_FILAMENT_ACTION_mmuEject:
+          case FilamentAction::MmuEject:
                nLevel=bFilamentPreheatState?1:2;
                bFilamentAction=true;
                menu_back(nLevel);
                menu_submenu(mmu_fil_eject_menu);
                break;
-          case e_FILAMENT_ACTION_mmuCut:
+          case FilamentAction::MmuCut:
 #ifdef MMU_HAS_CUTTER
                nLevel=bFilamentPreheatState?1:2;
                bFilamentAction=true;
@@ -2410,7 +2405,7 @@ if(current_temperature[0]>(target_temperature[0]*0.95))
                menu_submenu(mmu_cut_filament_menu);
 #endif //MMU_HAS_CUTTER
                break;
-          case e_FILAMENT_ACTION_none:
+          case FilamentAction::None:
                break;
           }
      if(bFilamentWaitingFlag)
@@ -2424,22 +2419,22 @@ else {
      lcd_set_cursor(0,1);
      switch(eFilamentAction)
           {
-          case e_FILAMENT_ACTION_Load:
-          case e_FILAMENT_ACTION_autoLoad:
-          case e_FILAMENT_ACTION_mmuLoad:
+          case FilamentAction::Load:
+          case FilamentAction::AutoLoad:
+          case FilamentAction::MmuLoad:
                lcd_puts_P(_i("Preheating to load")); ////MSG_ c=20 r=1
                break;
-          case e_FILAMENT_ACTION_unLoad:
-          case e_FILAMENT_ACTION_mmuUnLoad:
+          case FilamentAction::UnLoad:
+          case FilamentAction::MmuUnLoad:
                lcd_puts_P(_i("Preheating to unload")); ////MSG_ c=20 r=1
                break;
-          case e_FILAMENT_ACTION_mmuEject:
+          case FilamentAction::MmuEject:
                lcd_puts_P(_i("Preheating to eject")); ////MSG_ c=20 r=1
                break;
-          case e_FILAMENT_ACTION_mmuCut:
+          case FilamentAction::MmuCut:
                lcd_puts_P(_i("Preheating to cut")); ////MSG_ c=20 r=1
                break;
-          case e_FILAMENT_ACTION_none:
+          case FilamentAction::None:
                break;
           }
      lcd_set_cursor(0,3);
@@ -2458,8 +2453,8 @@ else {
                setTargetBed((float)nTargetBedOld);
                }
           menu_back();
-          if(eFilamentAction==e_FILAMENT_ACTION_autoLoad)
-               eFilamentAction=e_FILAMENT_ACTION_none; // i.e. non-autoLoad
+          if(eFilamentAction==FilamentAction::AutoLoad)
+               eFilamentAction=FilamentAction::None; // i.e. non-autoLoad
           }
      }
 }
@@ -2504,8 +2499,8 @@ mFilamentItem(FLEX_PREHEAT_HOTEND_TEMP,FLEX_PREHEAT_HPB_TEMP);
 void mFilamentBack()
 {
 menu_back();
-if(eFilamentAction==e_FILAMENT_ACTION_autoLoad)
-     eFilamentAction=e_FILAMENT_ACTION_none; // i.e. non-autoLoad
+if(eFilamentAction==FilamentAction::AutoLoad)
+     eFilamentAction=FilamentAction::None; // i.e. non-autoLoad
 }
 
 void mFilamentMenu()
@@ -2536,7 +2531,7 @@ if(0)
      enquecommand_P(PSTR("M702"));                // unload filament
      }
 else {
-     eFilamentAction=e_FILAMENT_ACTION_unLoad;
+     eFilamentAction=FilamentAction::UnLoad;
      bFilamentFirstRun=false;
      if(target_temperature[0]>=EXTRUDE_MINTEMP)
           {
@@ -2763,7 +2758,7 @@ static void lcd_LoadFilament()
 if(0)
   {
 //      menu_back();                                // not necessary (see "lcd_return_to_status()" below)
-      custom_message_type = CUSTOM_MSG_TYPE_F_LOAD;
+      custom_message_type = CustomMsg::FilamentLoading;
       loading_flag = true;
       enquecommand_P(PSTR("M701")); //load filament
       SERIAL_ECHOLN("Loading filament");
@@ -2771,7 +2766,7 @@ if(0)
   }
   else
   {
-     eFilamentAction=e_FILAMENT_ACTION_Load;
+     eFilamentAction=FilamentAction::Load;
      bFilamentFirstRun=false;
      if(target_temperature[0]>=EXTRUDE_MINTEMP)
           {
@@ -3220,7 +3215,7 @@ void pid_extruder()
 	lcd_set_cursor(1, 2);
 	lcd_print(ftostr3(pid_temp));
 	if (lcd_clicked()) {
-		lcd_commands_type = LCD_COMMAND_PID_EXTRUDER;
+		lcd_commands_type = LcdCommands::PidExtruder;
 		lcd_return_to_status();
 		lcd_update(2);
 	}
@@ -3822,7 +3817,7 @@ void lcd_bed_calibration_show_result(BedSkewOffsetDetectionResultType result, ui
 
 void lcd_temp_cal_show_result(bool result) {
 	
-	custom_message_type = CUSTOM_MSG_TYPE_STATUS;
+	custom_message_type = CustomMsg::Status;
 	disable_x();
 	disable_y();
 	disable_z();
@@ -4451,7 +4446,7 @@ static void lcd_crash_mode_set()
     }else{
         crashdet_enable();
     }
-	if (IS_SD_PRINTING || is_usb_printing || (lcd_commands_type == LCD_COMMAND_V2_CAL)) menu_goto(lcd_tune_menu, 9, true, true);
+	if (IS_SD_PRINTING || is_usb_printing || (lcd_commands_type == LcdCommands::Layer1Cal)) menu_goto(lcd_tune_menu, 9, true, true);
 	else menu_goto(lcd_settings_menu, 9, true, true);
     
 }
@@ -4688,14 +4683,14 @@ void lcd_v2_calibration()
 	    if (filament < 5)
 	    {
 	        lcd_commands_step = 20 + filament;
-	        lcd_commands_type = LCD_COMMAND_V2_CAL;
+	        lcd_commands_type = LcdCommands::Layer1Cal;
 	    }
 	}
 	else
 	{
 		bool loaded = lcd_show_fullscreen_message_yes_no_and_wait_P(_i("Is PLA filament loaded?"), false, true);////MSG_PLA_FILAMENT_LOADED c=20 r=2
 		if (loaded) {
-			lcd_commands_type = LCD_COMMAND_V2_CAL;
+			lcd_commands_type = LcdCommands::Layer1Cal;
 		}
 		else {
 			lcd_display_message_fullscreen_P(_i("Please load PLA filament first."));////MSG_PLEASE_LOAD_PLA c=20 r=4
@@ -4955,7 +4950,7 @@ void lcd_wizard(WizState state)
 		case S::Lay1Cal:
 			lcd_show_fullscreen_message_and_wait_P(_i("Now I will calibrate distance between tip of the nozzle and heatbed surface."));////MSG_WIZARD_V2_CAL c=20 r=8
 			lcd_show_fullscreen_message_and_wait_P(_i("I will start to print line and you will gradually lower the nozzle by rotating the knob, until you reach optimal height. Check the pictures in our handbook in chapter Calibration."));////MSG_WIZARD_V2_CAL_2 c=20 r=12
-			lcd_commands_type = LCD_COMMAND_V2_CAL;
+			lcd_commands_type = LcdCommands::Layer1Cal;
 			lcd_return_to_status();
 			end = true;
 			break;
@@ -5906,7 +5901,7 @@ static void mmu_load_to_nozzle_menu()
     }
     else
     {
-        eFilamentAction = e_FILAMENT_ACTION_mmuLoad;
+        eFilamentAction = FilamentAction::MmuLoad;
         bFilamentFirstRun = false;
         if (target_temperature[0] >= EXTRUDE_MINTEMP)
         {
@@ -5938,7 +5933,7 @@ static void mmu_fil_eject_menu()
     }
     else
     {
-        eFilamentAction = e_FILAMENT_ACTION_mmuEject;
+        eFilamentAction = FilamentAction::MmuEject;
         bFilamentFirstRun = false;
         if (target_temperature[0] >= EXTRUDE_MINTEMP)
         {
@@ -5966,7 +5961,7 @@ static void mmu_cut_filament_menu()
     }
     else
     {
-        eFilamentAction=e_FILAMENT_ACTION_mmuCut;
+        eFilamentAction=FilamentAction::MmuCut;
         bFilamentFirstRun=false;
         if(target_temperature[0]>=EXTRUDE_MINTEMP)
         {
@@ -6011,7 +6006,7 @@ static void change_extr_menu(){
 //unload filament for single material printer (used in M702 gcode)
 void unload_filament()
 {
-	custom_message_type = CUSTOM_MSG_TYPE_F_LOAD;
+	custom_message_type = CustomMsg::FilamentLoading;
 	lcd_setstatuspgm(_T(MSG_UNLOADING_FILAMENT));
 
 	//		extr_unload2();
@@ -6046,7 +6041,7 @@ void unload_filament()
 	lcd_update_enable(true);
 
 	lcd_setstatuspgm(_T(WELCOME_MSG));
-	custom_message_type = CUSTOM_MSG_TYPE_STATUS;
+	custom_message_type = CustomMsg::Status;
 
 }
 
@@ -6374,13 +6369,13 @@ static void lcd_main_menu()
         
     }*/
  
-  if ( ( IS_SD_PRINTING || is_usb_printing || (lcd_commands_type == LCD_COMMAND_V2_CAL)) && (current_position[Z_AXIS] < Z_HEIGHT_HIDE_LIVE_ADJUST_MENU) && !homing_flag && !mesh_bed_leveling_flag)
+  if ( ( IS_SD_PRINTING || is_usb_printing || (lcd_commands_type == LcdCommands::Layer1Cal)) && (current_position[Z_AXIS] < Z_HEIGHT_HIDE_LIVE_ADJUST_MENU) && !homing_flag && !mesh_bed_leveling_flag)
   {
 	MENU_ITEM_SUBMENU_P(_T(MSG_BABYSTEP_Z), lcd_babystep_z);//8
   }
 
 
-  if ( moves_planned() || IS_SD_PRINTING || is_usb_printing || (lcd_commands_type == LCD_COMMAND_V2_CAL))
+  if ( moves_planned() || IS_SD_PRINTING || is_usb_printing || (lcd_commands_type == LcdCommands::Layer1Cal))
   {
     MENU_ITEM_SUBMENU_P(_i("Tune"), lcd_tune_menu);////MSG_TUNE
   } else 
@@ -6389,7 +6384,7 @@ static void lcd_main_menu()
   }
 
 #ifdef SDSUPPORT
-  if (card.cardOK || lcd_commands_type == LCD_COMMAND_V2_CAL)
+  if (card.cardOK || lcd_commands_type == LcdCommands::Layer1Cal)
   {
     if (card.isFileOpen())
     {
@@ -6405,12 +6400,12 @@ static void lcd_main_menu()
 			MENU_ITEM_SUBMENU_P(_T(MSG_STOP_PRINT), lcd_sdcard_stop);
 		}
 	}
-	else if (lcd_commands_type == LCD_COMMAND_V2_CAL && mesh_bed_leveling_flag == false && homing_flag == false) {
+	else if (lcd_commands_type == LcdCommands::Layer1Cal && mesh_bed_leveling_flag == false && homing_flag == false) {
 		//MENU_ITEM_SUBMENU_P(_T(MSG_STOP_PRINT), lcd_sdcard_stop);
 	}
 	else
 	{
-		if (!is_usb_printing && (lcd_commands_type != LCD_COMMAND_V2_CAL))
+		if (!is_usb_printing && (lcd_commands_type != LcdCommands::Layer1Cal))
 		{
 			//if (farm_mode) MENU_ITEM_SUBMENU_P(MSG_FARM_CARD_MENU, lcd_farm_sdcard_menu);
 			/*else*/ {
@@ -6434,7 +6429,7 @@ static void lcd_main_menu()
 #endif
 
 
-  if (IS_SD_PRINTING || is_usb_printing || (lcd_commands_type == LCD_COMMAND_V2_CAL))
+  if (IS_SD_PRINTING || is_usb_printing || (lcd_commands_type == LcdCommands::Layer1Cal))
   {
 	  if (farm_mode)
 	  {
@@ -6478,7 +6473,7 @@ static void lcd_main_menu()
 
   }
 
-  if (!is_usb_printing && (lcd_commands_type != LCD_COMMAND_V2_CAL))
+  if (!is_usb_printing && (lcd_commands_type != LcdCommands::Layer1Cal))
   {
 	  MENU_ITEM_SUBMENU_P(_i("Statistics  "), lcd_menu_statistics);////MSG_STATISTICS
   }
@@ -6534,7 +6529,7 @@ static void lcd_colorprint_change() {
 	
 	enquecommand_P(PSTR("M600"));
 	
-	custom_message_type = CUSTOM_MSG_TYPE_F_LOAD; //just print status message
+	custom_message_type = CustomMsg::FilamentLoading; //just print status message
 	lcd_setstatuspgm(_T(MSG_FINISHING_MOVEMENTS));
 	lcd_return_to_status();
 	lcd_draw_update = 3;
@@ -6777,7 +6772,7 @@ void lcd_print_stop()
 	lcd_return_to_status();
 	lcd_ignore_click(true);
 	lcd_commands_step = 0;
-	lcd_commands_type = LCD_COMMAND_STOP_PRINT;
+	lcd_commands_type = LcdCommands::StopPrint;
 	// Turn off the print fan
 	SET_OUTPUT(FAN_PIN);
 	WRITE(FAN_PIN, 0);
@@ -6890,13 +6885,13 @@ bool lcd_selftest()
 	_delay(2000);
 	KEEPALIVE_STATE(IN_HANDLER);
 
-	_progress = lcd_selftest_screen(testScreen::extruderFan, _progress, 3, true, 2000);
+	_progress = lcd_selftest_screen(TestScreen::ExtruderFan, _progress, 3, true, 2000);
 #if (defined(FANCHECK) && defined(TACH_0))
 	switch (lcd_selftest_fan_auto(0)){		// check extruder Fan
-		case FanCheck::extruderFan:
+		case FanCheck::ExtruderFan:
 			_result = false;
 			break;
-		case FanCheck::swappedFan:
+		case FanCheck::SwappedFan:
 			_swapped_fan = true;
 			// no break
 		default:
@@ -6908,18 +6903,18 @@ bool lcd_selftest()
 #endif //defined(TACH_0)
 	if (!_result)
 	{
-		lcd_selftest_error(TestError::extruderFan, "", "");
+		lcd_selftest_error(TestError::ExtruderFan, "", "");
 	}
 
 	if (_result)
 	{
-		_progress = lcd_selftest_screen(testScreen::printFan, _progress, 3, true, 2000);
+		_progress = lcd_selftest_screen(TestScreen::PrintFan, _progress, 3, true, 2000);
 #if (defined(FANCHECK) && defined(TACH_1))
 	switch (lcd_selftest_fan_auto(1)){		// check print fan
-		case FanCheck::printFan:
+		case FanCheck::PrintFan:
 			_result = false;
 			break;
-		case FanCheck::swappedFan:
+		case FanCheck::SwappedFan:
 			_swapped_fan = true;
 			// no break
 		default:
@@ -6931,7 +6926,7 @@ bool lcd_selftest()
 #endif //defined(TACH_1)
 		if (!_result)
 		{
-			lcd_selftest_error(TestError::printFan, "", ""); //print fan not spinning
+			lcd_selftest_error(TestError::PrintFan, "", ""); //print fan not spinning
 		}
 	}
 
@@ -6942,18 +6937,18 @@ bool lcd_selftest()
 			//print fan is stil turned on; check that it is spinning
 			_result = lcd_selftest_manual_fan_check(1, false, true);
 			if (!_result){
-				lcd_selftest_error(TestError::printFan, "", "");
+				lcd_selftest_error(TestError::PrintFan, "", "");
 			}
 		}
 		else {
 			// fans are swapped
-			lcd_selftest_error(TestError::swappedFan, "", "");
+			lcd_selftest_error(TestError::SwappedFan, "", "");
 		}
 	}
 
 	if (_result)
 	{
-		_progress = lcd_selftest_screen(testScreen::fansOk, _progress, 3, true, 2000);
+		_progress = lcd_selftest_screen(TestScreen::FansOk, _progress, 3, true, 2000);
 #ifndef TMC2130
 		_result = lcd_selfcheck_endstops();
 #else
@@ -6964,7 +6959,7 @@ bool lcd_selftest()
 	if (_result)
 	{
 		//current_position[Z_AXIS] += 15;									//move Z axis higher to avoid false triggering of Z end stop in case that we are very low - just above heatbed
-		_progress = lcd_selftest_screen(testScreen::axisX, _progress, 3, true, 2000);
+		_progress = lcd_selftest_screen(TestScreen::AxisX, _progress, 3, true, 2000);
 #ifdef TMC2130
         _result = lcd_selfcheck_axis_sg(X_AXIS);
 #else
@@ -6977,7 +6972,7 @@ bool lcd_selftest()
 
 	if (_result)
 	{
-		_progress = lcd_selftest_screen(testScreen::axisX, _progress, 3, true, 0);
+		_progress = lcd_selftest_screen(TestScreen::AxisX, _progress, 3, true, 0);
 
 #ifndef TMC2130
 		_result = lcd_selfcheck_pulleys(X_AXIS);
@@ -6987,7 +6982,7 @@ bool lcd_selftest()
 
 	if (_result)
 	{
-		_progress = lcd_selftest_screen(testScreen::axisY, _progress, 3, true, 1500);
+		_progress = lcd_selftest_screen(TestScreen::AxisY, _progress, 3, true, 1500);
 #ifdef TMC2130
 		_result = lcd_selfcheck_axis_sg(Y_AXIS);
 #else
@@ -6997,7 +6992,7 @@ bool lcd_selftest()
 
 	if (_result)
 	{
-		_progress = lcd_selftest_screen(testScreen::axisZ, _progress, 3, true, 0);
+		_progress = lcd_selftest_screen(TestScreen::AxisZ, _progress, 3, true, 0);
 #ifndef TMC2130
 		_result = lcd_selfcheck_pulleys(Y_AXIS);
 #endif // TMC2130
@@ -7018,7 +7013,7 @@ bool lcd_selftest()
 		current_position[Z_AXIS] = current_position[Z_AXIS] + 10;
 		plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[3], manual_feedrate[0] / 60, active_extruder);
 		st_synchronize();
-		_progress = lcd_selftest_screen(testScreen::axisZ, _progress, 3, true, 1500);
+		_progress = lcd_selftest_screen(TestScreen::AxisZ, _progress, 3, true, 1500);
 		_result = lcd_selfcheck_axis(2, Z_MAX_POS);
 		if (eeprom_read_byte((uint8_t*)EEPROM_WIZARD_ACTIVE) != 1) {
 			enquecommand_P(PSTR("G28 W"));
@@ -7032,11 +7027,11 @@ bool lcd_selftest()
 		current_position[Z_AXIS] = current_position[Z_AXIS] + 10;
 		plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[3], manual_feedrate[0] / 60, active_extruder);
 		st_synchronize();
-		_progress = lcd_selftest_screen(testScreen::home, 0, 2, true, 0);
+		_progress = lcd_selftest_screen(TestScreen::Home, 0, 2, true, 0);
 		bool bres = tmc2130_home_calibrate(X_AXIS);
-		_progress = lcd_selftest_screen(testScreen::home, 1, 2, true, 0);
+		_progress = lcd_selftest_screen(TestScreen::Home, 1, 2, true, 0);
 		bres &= tmc2130_home_calibrate(Y_AXIS);
-		_progress = lcd_selftest_screen(testScreen::home, 2, 2, true, 0);
+		_progress = lcd_selftest_screen(TestScreen::Home, 2, 2, true, 0);
 		if (bres)
 			eeprom_update_byte((uint8_t*)EEPROM_TMC2130_HOME_ENABLED, 1);
 		_result = bres;
@@ -7045,18 +7040,18 @@ bool lcd_selftest()
 
 	if (_result)
 	{
-		_progress = lcd_selftest_screen(testScreen::bed, _progress, 3, true, 2000);
+		_progress = lcd_selftest_screen(TestScreen::Bed, _progress, 3, true, 2000);
 		_result = lcd_selfcheck_check_heater(true);
 	}
 
     if (_result)
     {
-        _progress = lcd_selftest_screen(testScreen::hotend, _progress, 3, true, 1000);
+        _progress = lcd_selftest_screen(TestScreen::Hotend, _progress, 3, true, 1000);
         _result = lcd_selfcheck_check_heater(false);
     }
 	if (_result)
 	{
-		_progress = lcd_selftest_screen(testScreen::hotendOk, _progress, 3, true, 2000); //nozzle ok
+		_progress = lcd_selftest_screen(TestScreen::HotendOk, _progress, 3, true, 2000); //nozzle ok
 	}
 #ifdef FILAMENT_SENSOR
     if (_result)
@@ -7064,20 +7059,20 @@ bool lcd_selftest()
 
         if (mmu_enabled)
         {        
-			_progress = lcd_selftest_screen(testScreen::fsensor, _progress, 3, true, 2000); //check filaments sensor
+			_progress = lcd_selftest_screen(TestScreen::Fsensor, _progress, 3, true, 2000); //check filaments sensor
             _result = selftest_irsensor();
 		    if (_result)
 			{
-				_progress = lcd_selftest_screen(testScreen::fsensorOk, _progress, 3, true, 2000); //fil sensor OK
+				_progress = lcd_selftest_screen(TestScreen::FsensorOk, _progress, 3, true, 2000); //fil sensor OK
 			}
         } else
         {
 #ifdef PAT9125
-			_progress = lcd_selftest_screen(testScreen::fsensor, _progress, 3, true, 2000); //check filaments sensor
+			_progress = lcd_selftest_screen(TestScreen::Fsensor, _progress, 3, true, 2000); //check filaments sensor
             _result = lcd_selftest_fsensor();
 			if (_result)
 			{
-				_progress = lcd_selftest_screen(testScreen::fsensorOk, _progress, 3, true, 2000); //fil sensor OK
+				_progress = lcd_selftest_screen(TestScreen::FsensorOk, _progress, 3, true, 2000); //fil sensor OK
 			}
 #endif //PAT9125
         }
@@ -7085,11 +7080,11 @@ bool lcd_selftest()
 #endif //FILAMENT_SENSOR
 	if (_result)
 	{
-		_progress = lcd_selftest_screen(testScreen::allCorrect, _progress, 3, true, 5000); //all correct
+		_progress = lcd_selftest_screen(TestScreen::AllCorrect, _progress, 3, true, 5000); //all correct
 	}
 	else
 	{
-		_progress = lcd_selftest_screen(testScreen::failed, _progress, 3, true, 5000);
+		_progress = lcd_selftest_screen(TestScreen::Failed, _progress, 3, true, 5000);
 	}
 	lcd_reset_alert_level();
 	enquecommand_P(PSTR("M84"));
@@ -7203,7 +7198,7 @@ static bool lcd_selfcheck_axis_sg(unsigned char axis) {
 			if (axis == Y_AXIS) _error_1 = "Y";
 			if (axis == Z_AXIS) _error_1 = "Z";
 
-			lcd_selftest_error(TestError::axis, _error_1, "");
+			lcd_selftest_error(TestError::Axis, _error_1, "");
 			current_position[axis] = 0;
 			plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
 			reset_crash_det(axis);
@@ -7221,7 +7216,7 @@ static bool lcd_selfcheck_axis_sg(unsigned char axis) {
 			if (axis == Y_AXIS) _error_1 = "Y";
 			if (axis == Z_AXIS) _error_1 = "Z";
 
-			lcd_selftest_error(TestError::pulley, _error_1, "");
+			lcd_selftest_error(TestError::Pulley, _error_1, "");
 			current_position[axis] = 0;
 			plan_set_position(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[E_AXIS]);
 			reset_crash_det(axis);
@@ -7296,7 +7291,7 @@ static bool lcd_selfcheck_axis(int _axis, int _travel)
 		}
 		else
 		{
-			_progress = lcd_selftest_screen(static_cast<testScreen>(static_cast<int>(testScreen::axisX) + _axis), _progress, 3, false, 0);
+			_progress = lcd_selftest_screen(static_cast<TestScreen>(static_cast<int>(TestScreen::AxisX) + _axis), _progress, 3, false, 0);
 			_lcd_refresh = 0;
 		}
 
@@ -7328,11 +7323,11 @@ static bool lcd_selfcheck_axis(int _axis, int _travel)
 
 		if (_travel_done >= _travel)
 		{
-			lcd_selftest_error(TestError::endstop, _error_1, _error_2);
+			lcd_selftest_error(TestError::Endstop, _error_1, _error_2);
 		}
 		else
 		{
-			lcd_selftest_error(TestError::motor, _error_1, _error_2);
+			lcd_selftest_error(TestError::Motor, _error_1, _error_2);
 		}
 	}
 
@@ -7372,7 +7367,7 @@ static bool lcd_selfcheck_pulleys(int axis)
 		st_synchronize();
 		if (((READ(X_MIN_PIN) ^ X_MIN_ENDSTOP_INVERTING) == 1) ||
 			((READ(Y_MIN_PIN) ^ Y_MIN_ENDSTOP_INVERTING) == 1)) {
-			lcd_selftest_error(TestError::pulley, (axis == 0) ? "X" : "Y", "");
+			lcd_selftest_error(TestError::Pulley, (axis == 0) ? "X" : "Y", "");
 			return(false);
 		}
 	}
@@ -7390,7 +7385,7 @@ static bool lcd_selfcheck_pulleys(int axis)
 				return(true);
 			}
 			else {
-				lcd_selftest_error(TestError::pulley, (axis == 0) ? "X" : "Y", "");
+				lcd_selftest_error(TestError::Pulley, (axis == 0) ? "X" : "Y", "");
 				return(false);
 			}
 		}
@@ -7399,7 +7394,7 @@ static bool lcd_selfcheck_pulleys(int axis)
 			plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS], current_position[Z_AXIS], current_position[3], manual_feedrate[0] / 60, active_extruder);
 			st_synchronize();
 			if (_millis() > timeout_counter) {
-				lcd_selftest_error(TestError::pulley, (axis == 0) ? "X" : "Y", "");
+				lcd_selftest_error(TestError::Pulley, (axis == 0) ? "X" : "Y", "");
 				return(false);
 			}
 		}
@@ -7432,7 +7427,7 @@ static bool lcd_selfcheck_endstops()
 		if ((READ(X_MIN_PIN) ^ X_MIN_ENDSTOP_INVERTING) == 1) strcat(_error, "X");
 		if ((READ(Y_MIN_PIN) ^ Y_MIN_ENDSTOP_INVERTING) == 1) strcat(_error, "Y");
 		if ((READ(Z_MIN_PIN) ^ Z_MIN_ENDSTOP_INVERTING) == 1) strcat(_error, "Z");
-		lcd_selftest_error(TestError::endstops, _error, "");
+		lcd_selftest_error(TestError::Endstops, _error, "");
 	}
 	manage_heater();
 	manage_inactivity(true);
@@ -7463,7 +7458,7 @@ static bool lcd_selfcheck_check_heater(bool _isbed)
 
 		manage_heater();
 		manage_inactivity(true);
-		_progress = (_isbed) ? lcd_selftest_screen(testScreen::bed, _progress, 2, false, 400) : lcd_selftest_screen(testScreen::hotend, _progress, 2, false, 400);
+		_progress = (_isbed) ? lcd_selftest_screen(TestScreen::Bed, _progress, 2, false, 400) : lcd_selftest_screen(TestScreen::Hotend, _progress, 2, false, 400);
 		/*if (_isbed) {
 			MYSERIAL.print("Bed temp:");
 			MYSERIAL.println(degBed());
@@ -7498,12 +7493,12 @@ static bool lcd_selfcheck_check_heater(bool _isbed)
 		}
 		else
 		{
-			lcd_selftest_error(TestError::heater, "", "");
+			lcd_selftest_error(TestError::Heater, "", "");
 		}
 	}
 	else
 	{
-		lcd_selftest_error(TestError::bed, "", "");
+		lcd_selftest_error(TestError::Bed, "", "");
 	}
 
 	manage_heater();
@@ -7530,19 +7525,19 @@ static void lcd_selftest_error(TestError testError, const char *_error_1, const
 
 	switch (testError)
 	{
-	case TestError::heater:
+	case TestError::Heater:
 		lcd_set_cursor(0, 2);
 		lcd_puts_P(_i("Heater/Thermistor"));////MSG_SELFTEST_HEATERTHERMISTOR
 		lcd_set_cursor(0, 3);
 		lcd_puts_P(_i("Not connected"));////MSG_SELFTEST_NOTCONNECTED
 		break;
-	case TestError::bed:
+	case TestError::Bed:
 		lcd_set_cursor(0, 2);
 		lcd_puts_P(_i("Bed / Heater"));////MSG_SELFTEST_BEDHEATER
 		lcd_set_cursor(0, 3);
 		lcd_puts_P(_T(MSG_SELFTEST_WIRINGERROR));
 		break;
-	case TestError::endstops:
+	case TestError::Endstops:
 		lcd_set_cursor(0, 2);
 		lcd_puts_P(_i("Endstops"));////MSG_SELFTEST_ENDSTOPS
 		lcd_set_cursor(0, 3);
@@ -7550,7 +7545,7 @@ static void lcd_selftest_error(TestError testError, const char *_error_1, const
 		lcd_set_cursor(17, 3);
 		lcd_print(_error_1);
 		break;
-	case TestError::motor:
+	case TestError::Motor:
 		lcd_set_cursor(0, 2);
 		lcd_puts_P(_T(MSG_SELFTEST_MOTOR));
 		lcd_set_cursor(18, 2);
@@ -7560,7 +7555,7 @@ static void lcd_selftest_error(TestError testError, const char *_error_1, const
 		lcd_set_cursor(18, 3);
 		lcd_print(_error_2);
 		break;
-	case TestError::endstop:
+	case TestError::Endstop:
 		lcd_set_cursor(0, 2);
 		lcd_puts_P(_i("Endstop not hit"));////MSG_SELFTEST_ENDSTOP_NOTHIT c=20 r=1
 		lcd_set_cursor(0, 3);
@@ -7568,7 +7563,7 @@ static void lcd_selftest_error(TestError testError, const char *_error_1, const
 		lcd_set_cursor(18, 3);
 		lcd_print(_error_1);
 		break;
-	case TestError::printFan:
+	case TestError::PrintFan:
 		lcd_set_cursor(0, 2);
 		lcd_puts_P(_T(MSG_SELFTEST_COOLING_FAN));
 		lcd_set_cursor(0, 3);
@@ -7576,7 +7571,7 @@ static void lcd_selftest_error(TestError testError, const char *_error_1, const
 		lcd_set_cursor(18, 3);
 		lcd_print(_error_1);
 		break;
-	case TestError::extruderFan:
+	case TestError::ExtruderFan:
 		lcd_set_cursor(0, 2);
 		lcd_puts_P(_T(MSG_SELFTEST_EXTRUDER_FAN));
 		lcd_set_cursor(0, 3);
@@ -7584,7 +7579,7 @@ static void lcd_selftest_error(TestError testError, const char *_error_1, const
 		lcd_set_cursor(18, 3);
 		lcd_print(_error_1);
 		break;
-	case TestError::pulley:
+	case TestError::Pulley:
 		lcd_set_cursor(0, 2);
 		lcd_puts_P(_i("Loose pulley"));////MSG_LOOSE_PULLEY c=20 r=1
 		lcd_set_cursor(0, 3);
@@ -7592,7 +7587,7 @@ static void lcd_selftest_error(TestError testError, const char *_error_1, const
 		lcd_set_cursor(18, 3);
 		lcd_print(_error_1);
 		break;
-	case TestError::axis:
+	case TestError::Axis:
 		lcd_set_cursor(0, 2);
 		lcd_puts_P(_i("Axis length"));////MSG_SELFTEST_AXIS_LENGTH
 		lcd_set_cursor(0, 3);
@@ -7600,7 +7595,7 @@ static void lcd_selftest_error(TestError testError, const char *_error_1, const
 		lcd_set_cursor(18, 3);
 		lcd_print(_error_1);
 		break;
-	case TestError::swappedFan:
+	case TestError::SwappedFan:
 		lcd_set_cursor(0, 2);
 		lcd_puts_P(_i("Front/left fans"));////MSG_SELFTEST_FANS
 		lcd_set_cursor(0, 3);
@@ -7608,13 +7603,13 @@ static void lcd_selftest_error(TestError testError, const char *_error_1, const
 		lcd_set_cursor(18, 3);
 		lcd_print(_error_1);
 		break;
-	case TestError::wiringFsensor:
+	case TestError::WiringFsensor:
 		lcd_set_cursor(0, 2);
 		lcd_puts_P(_T(MSG_SELFTEST_FILAMENT_SENSOR));
 		lcd_set_cursor(0, 3);
 		lcd_puts_P(_T(MSG_SELFTEST_WIRINGERROR));
 		break;
-	case TestError::triggeringFsensor:
+	case TestError::TriggeringFsensor:
 	    lcd_set_cursor(0, 2);
         lcd_puts_P(_T(MSG_SELFTEST_FILAMENT_SENSOR));
         lcd_set_cursor(0, 3);
@@ -7643,7 +7638,7 @@ static bool lcd_selftest_fsensor(void)
 	fsensor_init();
 	if (fsensor_not_responding)
 	{
-		lcd_selftest_error(TestError::wiringFsensor, "", "");
+		lcd_selftest_error(TestError::WiringFsensor, "", "");
 	}
 	return (!fsensor_not_responding);
 }
@@ -7681,23 +7676,23 @@ static bool selftest_irsensor()
         TempBackup tempBackup;
         setTargetHotend(ABS_PREHEAT_HOTEND_TEMP,active_extruder);
         mmu_wait_for_heater_blocking();
-        progress = lcd_selftest_screen(testScreen::fsensor, 0, 1, true, 0);
+        progress = lcd_selftest_screen(TestScreen::Fsensor, 0, 1, true, 0);
         mmu_filament_ramming();
     }
-    progress = lcd_selftest_screen(testScreen::fsensor, progress, 1, true, 0);
+    progress = lcd_selftest_screen(TestScreen::Fsensor, progress, 1, true, 0);
     mmu_command(MmuCmd::U0);
     manage_response(false, false);
 
     for(uint_least8_t i = 0; i < 200; ++i)
     {
-        if (0 == (i % 32)) progress = lcd_selftest_screen(testScreen::fsensor, progress, 1, true, 0);
+        if (0 == (i % 32)) progress = lcd_selftest_screen(TestScreen::Fsensor, progress, 1, true, 0);
 
         mmu_load_step(false);
         while (blocks_queued())
         {
             if (PIN_GET(IR_SENSOR_PIN) == 0)
             {
-                lcd_selftest_error(TestError::triggeringFsensor, "", "");
+                lcd_selftest_error(TestError::TriggeringFsensor, "", "");
                 return false;
             }
 #ifdef TMC2130
@@ -7842,11 +7837,11 @@ static FanCheck lcd_selftest_fan_auto(int _fan)
 		printf_P(PSTR("Extr fan speed: %d \n"), fan_speed[0]);
 
 		if (!fan_speed[0]) {
-			return FanCheck::extruderFan;
+			return FanCheck::ExtruderFan;
 		}
 #ifdef FAN_SOFT_PWM
 		else if (fan_speed[0] > 50 ) { // printerFan is faster
-			return FanCheck::swappedFan;
+			return FanCheck::SwappedFan;
 		}
 		break;
 #endif
@@ -7881,7 +7876,7 @@ static FanCheck lcd_selftest_fan_auto(int _fan)
 		printf_P(PSTR("Print fan speed: %d \n"), fan_speed[1]);
 		printf_P(PSTR("Extr fan speed: %d \n"), fan_speed[0]);
 		if (!fan_speed[1]) {
-			return FanCheck::printFan;
+			return FanCheck::PrintFan;
 		}
 
 #ifdef FAN_SOFT_PWM
@@ -7900,23 +7895,23 @@ static FanCheck lcd_selftest_fan_auto(int _fan)
 
 		// noctua speed is between 17 and 24, turbine more then 30
 		if (fan_speed[1] < 30) {
-			return FanCheck::swappedFan;
+			return FanCheck::SwappedFan;
 		}
 #else
 		// fan is spinning, but measured RPM are too low for print fan, it must
 		// be left extruder fan
 		else if (fan_speed[1] < 34) {
-			return FanCheck::swappedFan;
+			return FanCheck::SwappedFan;
 		}
 #endif //FAN_SOFT_PWM
 		break;
 	}
-	return FanCheck::success;
+	return FanCheck::Success;
 }
 
 #endif //FANCHECK
 
-static int lcd_selftest_screen(testScreen screen, int _progress, int _progress_scale, bool _clear, int _delay)
+static int lcd_selftest_screen(TestScreen screen, int _progress, int _progress_scale, bool _clear, int _delay)
 {
 
     lcd_update_enable(false);
@@ -7928,58 +7923,58 @@ static int lcd_selftest_screen(testScreen screen, int _progress, int _progress_s
 
 	lcd_set_cursor(0, 0);
 
-	if (screen == testScreen::extruderFan) lcd_puts_P(_T(MSG_SELFTEST_FAN));
-	if (screen == testScreen::printFan) lcd_puts_P(_T(MSG_SELFTEST_FAN));
-	if (screen == testScreen::fansOk) lcd_puts_P(_T(MSG_SELFTEST_FAN));
-	if (screen == testScreen::endStops) lcd_puts_P(_i("Checking endstops"));////MSG_SELFTEST_CHECK_ENDSTOPS c=20
-	if (screen == testScreen::axisX) lcd_puts_P(_i("Checking X axis  "));////MSG_SELFTEST_CHECK_X c=20
-	if (screen == testScreen::axisY) lcd_puts_P(_i("Checking Y axis  "));////MSG_SELFTEST_CHECK_Y c=20
-	if (screen == testScreen::axisZ) lcd_puts_P(_i("Checking Z axis  "));////MSG_SELFTEST_CHECK_Z c=20
-	if (screen == testScreen::bed) lcd_puts_P(_T(MSG_SELFTEST_CHECK_BED));
-	if (screen == testScreen::hotend
-	    || screen == testScreen::hotendOk) lcd_puts_P(_i("Checking hotend  "));////MSG_SELFTEST_CHECK_HOTEND c=20
-	if (screen == testScreen::fsensor) lcd_puts_P(_T(MSG_SELFTEST_CHECK_FSENSOR));
-	if (screen == testScreen::fsensorOk) lcd_puts_P(_T(MSG_SELFTEST_CHECK_FSENSOR));
-	if (screen == testScreen::allCorrect) lcd_puts_P(_i("All correct      "));////MSG_SELFTEST_CHECK_ALLCORRECT c=20
-	if (screen == testScreen::failed) lcd_puts_P(_T(MSG_SELFTEST_FAILED));
-	if (screen == testScreen::home) lcd_puts_P(_i("Calibrating home"));////c=20 r=1
+	if (screen == TestScreen::ExtruderFan) lcd_puts_P(_T(MSG_SELFTEST_FAN));
+	if (screen == TestScreen::PrintFan) lcd_puts_P(_T(MSG_SELFTEST_FAN));
+	if (screen == TestScreen::FansOk) lcd_puts_P(_T(MSG_SELFTEST_FAN));
+	if (screen == TestScreen::EndStops) lcd_puts_P(_i("Checking endstops"));////MSG_SELFTEST_CHECK_ENDSTOPS c=20
+	if (screen == TestScreen::AxisX) lcd_puts_P(_i("Checking X axis  "));////MSG_SELFTEST_CHECK_X c=20
+	if (screen == TestScreen::AxisY) lcd_puts_P(_i("Checking Y axis  "));////MSG_SELFTEST_CHECK_Y c=20
+	if (screen == TestScreen::AxisZ) lcd_puts_P(_i("Checking Z axis  "));////MSG_SELFTEST_CHECK_Z c=20
+	if (screen == TestScreen::Bed) lcd_puts_P(_T(MSG_SELFTEST_CHECK_BED));
+	if (screen == TestScreen::Hotend
+	    || screen == TestScreen::HotendOk) lcd_puts_P(_i("Checking hotend  "));////MSG_SELFTEST_CHECK_HOTEND c=20
+	if (screen == TestScreen::Fsensor) lcd_puts_P(_T(MSG_SELFTEST_CHECK_FSENSOR));
+	if (screen == TestScreen::FsensorOk) lcd_puts_P(_T(MSG_SELFTEST_CHECK_FSENSOR));
+	if (screen == TestScreen::AllCorrect) lcd_puts_P(_i("All correct      "));////MSG_SELFTEST_CHECK_ALLCORRECT c=20
+	if (screen == TestScreen::Failed) lcd_puts_P(_T(MSG_SELFTEST_FAILED));
+	if (screen == TestScreen::Home) lcd_puts_P(_i("Calibrating home"));////c=20 r=1
 
 	lcd_set_cursor(0, 1);
 	lcd_puts_P(separator);
-	if ((screen >= testScreen::extruderFan) && (screen <= testScreen::fansOk))
+	if ((screen >= TestScreen::ExtruderFan) && (screen <= TestScreen::FansOk))
 	{
 		//SERIAL_ECHOLNPGM("Fan test");
 		lcd_puts_at_P(0, 2, _i("Extruder fan:"));////MSG_SELFTEST_EXTRUDER_FAN_SPEED c=18
 		lcd_set_cursor(18, 2);
-		(screen < testScreen::printFan) ? lcd_print(_indicator) : lcd_print("OK");
+		(screen < TestScreen::PrintFan) ? lcd_print(_indicator) : lcd_print("OK");
 		lcd_puts_at_P(0, 3, _i("Print fan:"));////MSG_SELFTEST_PRINT_FAN_SPEED c=18
 		lcd_set_cursor(18, 3);
-		(screen < testScreen::fansOk) ? lcd_print(_indicator) : lcd_print("OK");
+		(screen < TestScreen::FansOk) ? lcd_print(_indicator) : lcd_print("OK");
 	}
-	else if (screen >= testScreen::fsensor && screen <= testScreen::fsensorOk)
+	else if (screen >= TestScreen::Fsensor && screen <= TestScreen::FsensorOk)
 	{
 		lcd_puts_at_P(0, 2, _T(MSG_SELFTEST_FILAMENT_SENSOR));
 		lcd_putc(':');
 		lcd_set_cursor(18, 2);
-		(screen == testScreen::fsensor) ? lcd_print(_indicator) : lcd_print("OK");
+		(screen == TestScreen::Fsensor) ? lcd_print(_indicator) : lcd_print("OK");
 	}
-	else if (screen < testScreen::fsensor)
+	else if (screen < TestScreen::Fsensor)
 	{
 		//SERIAL_ECHOLNPGM("Other tests");
 
-	    testScreen _step_block = testScreen::axisX;
+	    TestScreen _step_block = TestScreen::AxisX;
 		lcd_selftest_screen_step(2, 2, ((screen == _step_block) ? 1 : (screen < _step_block) ? 0 : 2), "X", _indicator);
 
-		_step_block = testScreen::axisY;
+		_step_block = TestScreen::AxisY;
 		lcd_selftest_screen_step(2, 8, ((screen == _step_block) ? 1 : (screen < _step_block) ? 0 : 2), "Y", _indicator);
 
-		_step_block = testScreen::axisZ;
+		_step_block = TestScreen::AxisZ;
 		lcd_selftest_screen_step(2, 14, ((screen == _step_block) ? 1 : (screen < _step_block) ? 0 : 2), "Z", _indicator);
 
-		_step_block = testScreen::bed;
+		_step_block = TestScreen::Bed;
 		lcd_selftest_screen_step(3, 0, ((screen == _step_block) ? 1 : (screen < _step_block) ? 0 : 2), "Bed", _indicator);
 
-        _step_block = testScreen::hotend;
+        _step_block = TestScreen::Hotend;
         lcd_selftest_screen_step(3, 9, ((screen == _step_block) ? 1 : (screen < _step_block) ? 0 : 2), "Hotend", _indicator);
 	}
 
@@ -8350,5 +8345,5 @@ void menu_lcd_lcdupdate_func(void)
 	if (!SdFatUtil::test_stack_integrity()) stack_error();
 	lcd_ping(); //check that we have received ping command if we are in farm mode
 	lcd_send_status();
-	if (lcd_commands_type == LCD_COMMAND_V2_CAL) lcd_commands();
+	if (lcd_commands_type == LcdCommands::Layer1Cal) lcd_commands();
 }

Firmware/ultralcd.h

@@ -89,31 +89,37 @@ extern void lcd_diag_show_end_stops();
 
 
 // To be used in lcd_commands_type.
-#define LCD_COMMAND_IDLE 0
-#define LCD_COMMAND_LOAD_FILAMENT 1
-#define LCD_COMMAND_STOP_PRINT 2
-#define LCD_COMMAND_FARM_MODE_CONFIRM 4
-#define LCD_COMMAND_LONG_PAUSE 5
-#define LCD_COMMAND_PID_EXTRUDER 7 
-#define LCD_COMMAND_V2_CAL 8
-
-extern uint8_t lcd_commands_type;
+enum class LcdCommands : uint_least8_t
+{
+	Idle,
+	LoadFilament,
+	StopPrint,
+	FarmModeConfirm,
+	LongPause,
+	PidExtruder,
+	Layer1Cal,
+};
+
+extern LcdCommands lcd_commands_type;
 extern int8_t FSensorStateMenu;
 
-#define CUSTOM_MSG_TYPE_STATUS 0 // status message from lcd_status_message variable
-#define CUSTOM_MSG_TYPE_MESHBL 1 // Mesh bed leveling in progress
-#define CUSTOM_MSG_TYPE_F_LOAD 2 // Loading filament in progress
-#define CUSTOM_MSG_TYPE_PIDCAL 3 // PID tuning in progress
-#define CUSTOM_MSG_TYPE_TEMCAL 4 // PINDA temp calibration
-#define CUSTOM_MSG_TYPE_TEMPRE 5 // Temp compensation preheat
+enum class CustomMsg : uint_least8_t
+{
+	Status,          //!< status message from lcd_status_message variable
+	MeshBedLeveling, //!< Mesh bed leveling in progress
+	FilamentLoading, //!< Loading filament in progress
+	PidCal,          //!< PID tuning in progress
+	TempCal,         //!< PINDA temperature calibration
+	TempCompPreheat, //!< Temperature compensation preheat
+};
 
-extern unsigned int custom_message_type;
+extern CustomMsg custom_message_type;
 extern unsigned int custom_message_state;
 
 extern uint8_t farm_mode;
 extern int farm_no;
 extern int farm_timer;
-extern int farm_status;
+extern uint8_t farm_status;
 
 #ifdef TMC2130
 #define SILENT_MODE_NORMAL 0
@@ -145,18 +151,19 @@ void extr_unload_used();
 #endif //SNMM
 void extr_unload();
 
-typedef enum
+enum class FilamentAction : uint_least8_t
 {
-    e_FILAMENT_ACTION_none,                       //!< 'none' state is used as flag for (filament) autoLoad (i.e. opposite for 'autoLoad' state)
-    e_FILAMENT_ACTION_Load,
-    e_FILAMENT_ACTION_autoLoad,
-    e_FILAMENT_ACTION_unLoad,
-    e_FILAMENT_ACTION_mmuLoad,
-    e_FILAMENT_ACTION_mmuUnLoad,
-    e_FILAMENT_ACTION_mmuEject,
-    e_FILAMENT_ACTION_mmuCut
-} eFILAMENT_ACTION;
-extern eFILAMENT_ACTION eFilamentAction;
+    None, //!< 'none' state is used as flag for (filament) autoLoad (i.e. opposite for 'autoLoad' state)
+    Load,
+    AutoLoad,
+    UnLoad,
+    MmuLoad,
+    MmuUnLoad,
+    MmuEject,
+    MmuCut,
+};
+
+extern FilamentAction eFilamentAction;
 extern bool bFilamentFirstRun;
 extern bool bFilamentPreheatState;
 extern bool bFilamentAction;