added load/unload, added status screen

Marlin/Configuration.h

@@ -567,7 +567,7 @@
  *
  * *** IT IS HIGHLY RECOMMENDED TO LEAVE THIS OPTION ENABLED! ***
  */
-//#define PREVENT_COLD_EXTRUSION
+#define PREVENT_COLD_EXTRUSION
 #define EXTRUDE_MINTEMP 170
 
 /**
@@ -1526,16 +1526,16 @@
  *    P1  Raise the nozzle always to Z-park height.
  *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
  */
-//#define NOZZLE_PARK_FEATURE
+#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   // Specify a park position as { X, Y, Z_raise }
   #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
   //#define NOZZLE_PARK_X_ONLY          // X move only is required to park
   //#define NOZZLE_PARK_Y_ONLY          // Y move only is required to park
-  #define NOZZLE_PARK_Z_RAISE_MIN   2   // (mm) Always raise Z by at least this distance
+  #define NOZZLE_PARK_Z_RAISE_MIN   10   // (mm) Always raise Z by at least this distance
   #define NOZZLE_PARK_XY_FEEDRATE 100   // (mm/s) X and Y axes feedrate (also used for delta Z axis)
-  #define NOZZLE_PARK_Z_FEEDRATE    5   // (mm/s) Z axis feedrate (not used for delta printers)
+  #define NOZZLE_PARK_Z_FEEDRATE    10   // (mm/s) Z axis feedrate (not used for delta printers)
 #endif
 
 /**

Marlin/Configuration_adv.h

@@ -2092,7 +2092,7 @@
  * Requires NOZZLE_PARK_FEATURE.
  * This feature is required for the default FILAMENT_RUNOUT_SCRIPT.
  */
-//#define ADVANCED_PAUSE_FEATURE
+#define ADVANCED_PAUSE_FEATURE
 #if ENABLED(ADVANCED_PAUSE_FEATURE)
   #define PAUSE_PARK_RETRACT_FEEDRATE         60  // (mm/s) Initial retract feedrate.
   #define PAUSE_PARK_RETRACT_LENGTH            2  // (mm) Initial retract.
@@ -2133,7 +2133,7 @@
   //#define PARK_HEAD_ON_PAUSE                    // Park the nozzle during pause and filament change.
   //#define HOME_BEFORE_FILAMENT_CHANGE           // If needed, home before parking for filament change
 
-  //#define FILAMENT_LOAD_UNLOAD_GCODES           // Add M701/M702 Load/Unload G-codes, plus Load/Unload in the LCD Prepare menu.
+  #define FILAMENT_LOAD_UNLOAD_GCODES           // Add M701/M702 Load/Unload G-codes, plus Load/Unload in the LCD Prepare menu.
   //#define FILAMENT_UNLOAD_ALL_EXTRUDERS         // Allow M702 to unload all extruders above a minimum target temp (as set by M302)
 #endif
 

Marlin/_Statusscreen.h

@@ -0,0 +1,64 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#define CONFIG_EXAMPLES_DIR "Creality/Ender-3/CrealityV1"
+
+/**
+ * Custom Status Screen bitmap
+ *
+ * Place this file in the root with your configuration files
+ * and enable CUSTOM_STATUS_SCREEN_IMAGE in Configuration.h.
+ *
+ * Use the Marlin Bitmap Converter to make your own:
+ * https://marlinfw.org/tools/u8glib/converter.html
+ */
+
+//
+// Status Screen Logo bitmap
+//
+#define STATUS_LOGO_Y            8
+#define STATUS_LOGO_WIDTH       39
+
+const unsigned char status_logo_bmp[] PROGMEM = {
+  B11111000,B00000001,B10000000,B00000000,B00001100,
+  B01001000,B00000000,B10000000,B00000000,B00010010,
+  B01000011,B11000011,B10001100,B11010000,B00000010,
+  B01110001,B00100100,B10010010,B01100111,B11001100,
+  B01000001,B00100100,B10011110,B01000000,B00000010,
+  B01001001,B00100100,B10010000,B01000000,B00010010,
+  B11111011,B10110011,B11001110,B11100000,B00001100
+};
+
+//
+// Use default bitmaps
+//
+#define STATUS_HOTEND_ANIM
+#define STATUS_BED_ANIM
+#define STATUS_HEATERS_XSPACE   20
+#if HOTENDS < 2
+  #define STATUS_HEATERS_X      48
+  #define STATUS_BED_X          72
+#else
+  #define STATUS_HEATERS_X      40
+  #define STATUS_BED_X          80
+#endif