Show "Calibrating nth point" on the display when running G80

if initiated from SD card. Don't show Z height during the calibration.

Update status of the Toshiba FlashAir on sd card insert / removal.

Firmware/Marlin_main.cpp

@@ -2328,14 +2328,6 @@ void process_commands()
     case 80:
     case_G80:
         {
-			if (!IS_SD_PRINTING)
-			{
-				custom_message = true;
-				custom_message_type = 1;
-				custom_message_state = (MESH_MEAS_NUM_X_POINTS * MESH_MEAS_NUM_Y_POINTS) + 10;
-			}
-			
-
             // Firstly check if we know where we are
             if ( !( axis_known_position[X_AXIS] && axis_known_position[Y_AXIS] && axis_known_position[Z_AXIS] ) ){
                 // We don't know where we are! HOME!
@@ -2346,6 +2338,15 @@ void process_commands()
                 break;
             }
 
+            // Save custom message state, set a new custom message state to display: Calibrating point 9.
+            bool custom_message_old = custom_message;
+            unsigned int custom_message_type_old = custom_message_type;
+            unsigned int custom_message_state_old = custom_message_state;
+            custom_message = true;
+            custom_message_type = 1;
+            custom_message_state = (MESH_MEAS_NUM_X_POINTS * MESH_MEAS_NUM_Y_POINTS) + 10;
+            lcd_update(1);
+            
             mbl.reset();
 
             // Reset baby stepping to zero, if the babystepping has already been loaded before. The babystepsTodo value will be
@@ -2429,12 +2430,9 @@ void process_commands()
 
                 mbl.set_z(ix, iy, current_position[Z_AXIS]);
 
-        				if (!IS_SD_PRINTING)
+        				custom_message_state--;
-        				{
-        					custom_message_state--;
-        				}
                 mesh_point++;
-                
+                lcd_update(1);
             }
             current_position[Z_AXIS] = MESH_HOME_Z_SEARCH;
             plan_buffer_line(current_position[X_AXIS], current_position[Y_AXIS],current_position[Z_AXIS] , current_position[E_AXIS], Z_LIFT_FEEDRATE, active_extruder);
@@ -2526,6 +2524,12 @@ void process_commands()
             world2machine_clamp(current_position[X_AXIS], current_position[Y_AXIS]);
             plan_buffer_line(current_position[X_AXIS], current_position[X_AXIS], current_position[Z_AXIS], current_position[E_AXIS], XY_AXIS_FEEDRATE, active_extruder);
             st_synchronize();
+
+            // Restore custom message state
+            custom_message       = custom_message_old;
+            custom_message_type  = custom_message_type_old;
+            custom_message_state = custom_message_state_old;
+            lcd_update(1);
         }
         break;
 

Firmware/ultralcd.cpp

@@ -397,7 +397,7 @@ static void lcd_status_screen()
 			}
 			break;
 		}
-	}
+	} // end of farm_mode
 
 
 
@@ -410,7 +410,7 @@ static void lcd_status_screen()
 	}
 	
 
-  }
+  } // end of lcdDrawUpdate
 #ifdef ULTIPANEL
 
   bool current_click = LCD_CLICKED;
@@ -755,8 +755,8 @@ static void lcd_preheat_menu()
 
 static void lcd_support_menu()
 {
-    if (menuData.supportMenu.status == 0) {
+    if (menuData.supportMenu.status == 0 || lcdDrawUpdate == 2) {
-        // Menu was entered.
+        // Menu was entered or SD card status has changed (plugged in or removed).
         // Initialize its status.
         menuData.supportMenu.status = 1;
         menuData.supportMenu.is_flash_air = card.ToshibaFlashAir_GetIP(menuData.supportMenu.ip);
@@ -1224,7 +1224,7 @@ static void _lcd_babystep(int axis, const char *msg)
         menuData.babyStep.babystepMemMM[0] = menuData.babyStep.babystepMem[0]/axis_steps_per_unit[X_AXIS];
         menuData.babyStep.babystepMemMM[1] = menuData.babyStep.babystepMem[1]/axis_steps_per_unit[Y_AXIS];
         menuData.babyStep.babystepMemMM[2] = menuData.babyStep.babystepMem[2]/axis_steps_per_unit[Z_AXIS];
-        lcdDrawUpdate = true;
+        lcdDrawUpdate = 1;
     }
 
   if (encoderPosition != 0) 
@@ -1236,7 +1236,7 @@ static void _lcd_babystep(int axis, const char *msg)
     menuData.babyStep.babystepMemMM[axis] = menuData.babyStep.babystepMem[axis]/axis_steps_per_unit[Z_AXIS];
 	  delay(50);
 	  encoderPosition = 0;
-    lcdDrawUpdate = true;
+    lcdDrawUpdate = 1;
   }
   if (lcdDrawUpdate)
     lcd_implementation_drawedit_2(msg, ftostr13ns(menuData.babyStep.babystepMemMM[axis]));
@@ -1300,7 +1300,7 @@ static void lcd_adjust_bed()
             menuData.adjustBed.front2 = 0;
             menuData.adjustBed.rear2  = 0;
         }
-        lcdDrawUpdate = true;
+        lcdDrawUpdate = 1;
         eeprom_update_byte((unsigned char*)EEPROM_BED_CORRECTION_VALID, 1);
     }
 
@@ -3230,8 +3230,11 @@ void lcd_update_enable(bool enabled)
     lcd_update_enabled = enabled;
 }
 
-void lcd_update()
+void lcd_update(uint8_t lcdDrawUpdateOverride)
 {
+  if (lcdDrawUpdate < lcdDrawUpdateOverride)
+    lcdDrawUpdate = lcdDrawUpdateOverride;
+
 	static unsigned long timeoutToStatus = 0;
 
   if (! lcd_update_enabled)

Firmware/ultralcd.h

@@ -6,7 +6,7 @@
 
 #ifdef ULTRA_LCD
 
-  void lcd_update();
+  void lcd_update(uint8_t lcdDrawUpdateOverride = 0);
   // Call with a false parameter to suppress the LCD update from various places like the planner or the temp control.
   void lcd_update_enable(bool enable);
   void lcd_init();

Firmware/ultralcd_implementation_hitachi_HD44780.h

@@ -655,16 +655,18 @@ static void lcd_implementation_status_screen()
     lcd.print('/');
     lcd.print(itostr3left(tTarget));
     lcd_printPGM(PSTR(LCD_STR_DEGREE " "));
-    lcd.print("  ");
+    lcd_printPGM(PSTR("  "));
 
     //Print the Z coordinates
-    // if (custom_message_type != 1) {
-        // Not in a bed calibration mode.
     lcd.setCursor(LCD_WIDTH - 8-2, 0);
-    lcd.print("  Z");
+    lcd_printPGM(PSTR("  Z"));
-    lcd.print(ftostr32sp(current_position[Z_AXIS] + 0.00001));
+    if (custom_message_type == 1) {
-    lcd.print(' ');
+        // In a bed calibration mode.
-    //}
+        lcd_printPGM(PSTR("   --- "));
+    } else {
+        lcd.print(ftostr32sp(current_position[Z_AXIS] + 0.00001));
+        lcd.print(' ');
+    }
 
     //Print the Bedtemperature
     lcd.setCursor(0, 1);
@@ -675,15 +677,15 @@ static void lcd_implementation_status_screen()
     lcd.print('/');
     lcd.print(itostr3left(tTarget));
     lcd_printPGM(PSTR(LCD_STR_DEGREE " "));
-    lcd.print("  ");
+    lcd_printPGM(PSTR("  "));
 
     //Print Feedrate
     lcd.setCursor(LCD_WIDTH - 8-2, 1);
-    lcd.print("  ");
+    lcd_printPGM(PSTR("  "));
     lcd.print(LCD_STR_FEEDRATE[0]);
     lcd.print(itostr3(feedmultiply));
     lcd.print('%');
-    lcd.print("     ");
+    lcd_printPGM(PSTR("     "));
 
 
 	
@@ -716,14 +718,14 @@ static void lcd_implementation_status_screen()
 	}
 	if (farm_mode)
 	{
-		lcd.print(" F");
+		lcd_printPGM(PSTR(" F"));
 		lcd.print(farm_no);
-		lcd.print("  ");
+		lcd_printPGM(PSTR("  "));
 	}
 
     //Print time elapsed
     lcd.setCursor(LCD_WIDTH - 8 -2, 2);
-    lcd.print("  ");
+    lcd_printPGM(PSTR("  "));
     lcd.print(LCD_STR_CLOCK[0]);
     if(starttime != 0)
     {
@@ -734,7 +736,7 @@ static void lcd_implementation_status_screen()
     }else{
         lcd_printPGM(PSTR("--:--"));
     }
-    lcd.print("  ");
+    lcd_printPGM(PSTR("  "));
 
 
     //Print status line
@@ -748,7 +750,7 @@ static void lcd_implementation_status_screen()
       if(strcmp(longFilenameOLD, card.longFilename) != 0)
 	  {
         memset(longFilenameOLD,'\0',strlen(longFilenameOLD));
-        sprintf(longFilenameOLD, "%s", card.longFilename);
+        sprintf_P(longFilenameOLD, PSTR("%s"), card.longFilename);
         scrollstuff = 0;
       }
 
@@ -803,7 +805,7 @@ static void lcd_implementation_status_screen()
 				for (int dots = 0; dots < heating_status_counter; dots++)
 				{
 					lcd.setCursor(7 + dots, 3);
-					lcd_printPGM(PSTR("."));
+					lcd.print('.');
 				}
 
 				switch (heating_status)
@@ -840,10 +842,10 @@ static void lcd_implementation_status_screen()
 				if (custom_message_state > 10)
 				{
 					lcd.setCursor(0, 3);
-					lcd.print("                    ");
+					lcd_printPGM(PSTR("                    "));
 					lcd.setCursor(0, 3);
 					lcd_printPGM(MSG_HOMEYZ_PROGRESS);
-					lcd.print(" : ");
+					lcd_printPGM(PSTR(" : "));
 					lcd.print(custom_message_state-10);
 				}
 				else
@@ -858,7 +860,7 @@ static void lcd_implementation_status_screen()
 					if (custom_message_state > 3 && custom_message_state < 10 )
 					{
 						lcd.setCursor(0, 3);
-						lcd.print("                   ");
+						lcd_printPGM(PSTR("                   "));
 						lcd.setCursor(0, 3);
 						lcd_printPGM(MSG_HOMEYZ_DONE);
 						custom_message_state--;