Merge remote-tracking branch 'upstream/bugfix-2.0.x' into 2.0.x

.editorconfig

+# editorconfig.org
+root = true
+
+[{*.patch,syntax_test_*}]
+trim_trailing_whitespace = false
+
+[{*.c,*.cpp,*.h}]
+charset = utf-8
+
+[{*.c,*.cpp,*.h,Makefile}]
+trim_trailing_whitespace = true
+insert_final_newline = true
+end_of_line = lf
+indent_style = space
+indent_size = 2
+
+[{*.py,*.conf,*.sublime-project}]
+indent_style = tab
+indent_size = 4

.github/workflows/test-builds.yml

         - megaatmega2560
         - teensy31
         - teensy35
+        - SAMD51_grandcentral_m4
 
         # Extended AVR Environments
 
         #- mks_robin_lite
         #- mks_robin_mini
         #- mks_robin_nano
-        #- SAMD51_grandcentral_m4
 
     steps:
 

.gitignore

 #
 # Marlin 3D Printer Firmware
-# Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+# Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
 #
 # Based on Sprinter and grbl.
 # Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
 Marlin/*/*/*/readme.txt
 Marlin/*/*/*/*/readme.txt
 
+# Secure Credentials
+Configuration_Secure.h
+
 #Visual Studio
 *.sln
 *.vcxproj

Marlin/Configuration.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
  * Advanced settings can be found in Configuration_adv.h
  *
  */
-#define CONFIGURATION_H_VERSION 020000
+#define CONFIGURATION_H_VERSION 020004
 
 //===========================================================================
 //============================= Getting Started =============================
 
 // @section homing
 
-//#define NO_MOTION_BEFORE_HOMING  // Inhibit movement until all axes have been homed
+//#define NO_MOTION_BEFORE_HOMING // Inhibit movement until all axes have been homed
 
-//#define UNKNOWN_Z_NO_RAISE // Don't raise Z (lower the bed) if Z is "unknown." For beds that fall when Z is powered off.
+//#define UNKNOWN_Z_NO_RAISE      // Don't raise Z (lower the bed) if Z is "unknown." For beds that fall when Z is powered off.
 
-//#define Z_HOMING_HEIGHT 4  // (mm) Minimal Z height before homing (G28) for Z clearance above the bed, clamps, ...
-                             // Be sure you have this distance over your Z_MAX_POS in case.
+//#define Z_HOMING_HEIGHT  4      // (mm) Minimal Z height before homing (G28) for Z clearance above the bed, clamps, ...
+                                  // Be sure to have this much clearance over your Z_MAX_POS to prevent grinding.
+
+//#define Z_AFTER_HOMING  10      // (mm) Height to move to after homing Z
 
 // Direction of endstops when homing; 1=MAX, -1=MIN
 // :[-1,1]
     #define MESH_TEST_HOTEND_TEMP  205    // (°C) Default nozzle temperature for the G26 Mesh Validation Tool.
     #define MESH_TEST_BED_TEMP      60    // (°C) Default bed temperature for the G26 Mesh Validation Tool.
     #define G26_XY_FEEDRATE         20    // (mm/s) Feedrate for XY Moves for the G26 Mesh Validation Tool.
+    #define G26_RETRACT_MULTIPLIER   1.0  // G26 Q (retraction) used by default between mesh test elements.
   #endif
 
 #endif
 //#define LEVEL_BED_CORNERS
 
 #if ENABLED(LEVEL_BED_CORNERS)
-  #define LEVEL_CORNERS_INSET 30    // (mm) An inset for corner leveling
-  #define LEVEL_CORNERS_Z_HOP  4.0  // (mm) Move nozzle up before moving between corners
-  #define LEVEL_CORNERS_HEIGHT 0.0  // (mm) Z height of nozzle at leveling points
-  //#define LEVEL_CENTER_TOO        // Move to the center after the last corner
+  #define LEVEL_CORNERS_INSET_LFRB { 30, 30, 30, 30 } // (mm) Left, Front, Right, Back insets
+  #define LEVEL_CORNERS_HEIGHT      0.0   // (mm) Z height of nozzle at leveling points
+  #define LEVEL_CORNERS_Z_HOP       4.0   // (mm) Z height of nozzle between leveling points
+  //#define LEVEL_CENTER_TOO              // Move to the center after the last corner
 #endif
 
 /**

Marlin/Configuration_adv.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
  * Basic settings can be found in Configuration.h
  *
  */
-#define CONFIGURATION_ADV_H_VERSION 020000
+#define CONFIGURATION_ADV_H_VERSION 020004
 
 // @section temperature
 
  */
 //#define Z_STEPPER_AUTO_ALIGN
 #if ENABLED(Z_STEPPER_AUTO_ALIGN)
-  // Define probe X and Y positions for Z1, Z2 [, Z3]
-  #define Z_STEPPER_ALIGN_XY { {  10, 190 }, { 100,  10 }, { 190, 190 } }
+  // Define probe X and Y positions for Z1, Z2 [, Z3 [, Z4]]
+  // If not defined, probe limits will be used.
+  // Override with 'M422 S<index> X<pos> Y<pos>'
+  //#define Z_STEPPER_ALIGN_XY { {  10, 190 }, { 100,  10 }, { 190, 190 } }
+
+  /**
+   * Orientation for the automatically-calculated probe positions.
+   * Override Z stepper align points with 'M422 S<index> X<pos> Y<pos>'
+   *
+   * 2 Steppers:  (0)     (1)
+   *               |       |   2   |
+   *               | 1   2 |       |
+   *               |       |   1   |
+   *
+   * 3 Steppers:  (0)     (1)     (2)     (3)
+   *               |   3   | 1     | 2   1 |     2 |
+   *               |       |     3 |       | 3     |
+   *               | 1   2 | 2     |   3   |     1 |
+   *
+   * 4 Steppers:  (0)     (1)     (2)     (3)
+   *               | 4   3 | 1   4 | 2   1 | 3   2 |
+   *               |       |       |       |       |
+   *               | 1   2 | 2   3 | 3   4 | 4   1 |
+   *
+   */
+  #ifndef Z_STEPPER_ALIGN_XY
+    //#define Z_STEPPERS_ORIENTATION 0
+  #endif
 
   // Provide Z stepper positions for more rapid convergence in bed alignment.
-  // Currently requires triple stepper drivers.
+  // Requires triple stepper drivers (i.e., set NUM_Z_STEPPER_DRIVERS to 3)
   //#define Z_STEPPER_ALIGN_KNOWN_STEPPER_POSITIONS
   #if ENABLED(Z_STEPPER_ALIGN_KNOWN_STEPPER_POSITIONS)
     // Define Stepper XY positions for Z1, Z2, Z3 corresponding to
     // Define one position per Z stepper in stepper driver order.
     #define Z_STEPPER_ALIGN_STEPPER_XY { { 210.7, 102.5 }, { 152.6, 220.0 }, { 94.5, 102.5 } }
   #else
-    // Amplification factor. Used to scale the correction step up or down.
-    // In case the stepper (spindle) position is further out than the test point.
-    // Use a value > 1. NOTE: This may cause instability
-    #define Z_STEPPER_ALIGN_AMP 1.0
+    // Amplification factor. Used to scale the correction step up or down in case
+    // the stepper (spindle) position is farther out than the test point.
+    #define Z_STEPPER_ALIGN_AMP 1.0       // Use a value > 1.0 NOTE: This may cause instability!
   #endif
 
-  // Set number of iterations to align
-  #define Z_STEPPER_ALIGN_ITERATIONS 3
-
-  // Enable to restore leveling setup after operation
-  #define RESTORE_LEVELING_AFTER_G34
-
   // On a 300mm bed a 5% grade would give a misalignment of ~1.5cm
-  #define G34_MAX_GRADE  5  // (%) Maximum incline G34 will handle
-
-  // Stop criterion. If the accuracy is better than this stop iterating early
-  #define Z_STEPPER_ALIGN_ACC 0.02
+  #define G34_MAX_GRADE              5    // (%) Maximum incline that G34 will handle
+  #define Z_STEPPER_ALIGN_ITERATIONS 5    // Number of iterations to apply during alignment
+  #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this
+  #define RESTORE_LEVELING_AFTER_G34      // Restore leveling after G34 is done?
 #endif
 
 // @section motion
 
   // Define the pin to read during calibration
   #ifndef CALIBRATION_PIN
-    #define CALIBRATION_PIN -1 // Override in pins.h or set to -1 to use your Z endstop
-    #define CALIBRATION_PIN_INVERTING false // Set to true to invert the pin
+    //#define CALIBRATION_PIN -1            // Define here to override the default pin
+    #define CALIBRATION_PIN_INVERTING false // Set to true to invert the custom pin
     //#define CALIBRATION_PIN_PULLDOWN
     #define CALIBRATION_PIN_PULLUP
   #endif
   //#define AO_EXP1_PINMAP    // AlephObjects CLCD UI EXP1 mapping
   //#define AO_EXP2_PINMAP    // AlephObjects CLCD UI EXP2 mapping
   //#define CR10_TFT_PINMAP   // Rudolph Riedel's CR10 pin mapping
+  //#define S6_TFT_PINMAP     // FYSETC S6 pin mapping
+
   //#define OTHER_PIN_LAYOUT  // Define pins manually below
   #if ENABLED(OTHER_PIN_LAYOUT)
-    // The pins for CS and MOD_RESET (PD) must be chosen.
+    // Pins for CS and MOD_RESET (PD) must be chosen
     #define CLCD_MOD_RESET  9
     #define CLCD_SPI_CS    10
 
  */
 //#define BABYSTEPPING
 #if ENABLED(BABYSTEPPING)
+  //#define INTEGRATED_BABYSTEPPING         // EXPERIMENTAL integration of babystepping into the Stepper ISR
   //#define BABYSTEP_WITHOUT_HOMING
   //#define BABYSTEP_XY                     // Also enable X/Y Babystepping. Not supported on DELTA!
   #define BABYSTEP_INVERT_Z false           // Change if Z babysteps should go the other way
 
   // Add additional compensation depending on hotend temperature
   // Note: this values cannot be calibrated and have to be set manually
-  #ifdef PROBE_TEMP_COMPENSATION
+  #if ENABLED(PROBE_TEMP_COMPENSATION)
     // Max temperature that can be reached by heated bed.
     // This is required only for the calibration process.
     #define PTC_MAX_BED_TEMP 110
  */
 #define FASTER_GCODE_PARSER
 
+#if ENABLED(FASTER_GCODE_PARSER)
+  //#define GCODE_QUOTED_STRINGS  // Support for quoted string parameters
+#endif
+
 /**
  * CNC G-code options
  * Support CNC-style G-code dialects used by laser cutters, drawing machine cams, etc.
 //#define ESP3D_WIFISUPPORT   // ESP3D Library WiFi management (https://github.com/luc-github/ESP3DLib)
 
 #if EITHER(WIFISUPPORT, ESP3D_WIFISUPPORT)
-  #define WIFI_SSID "Wifi SSID"
-  #define WIFI_PWD  "Wifi Password"
   //#define WEBSUPPORT          // Start a webserver (which may include auto-discovery)
   //#define OTASUPPORT          // Support over-the-air firmware updates
   //#define WIFI_CUSTOM_COMMAND // Accept feature config commands (e.g., WiFi ESP3D) from the host
+
+  /**
+   * To set a default WiFi SSID / Password, create a file called Configuration_Secure.h with
+   * the following defines, customized for your network. This specific file is excluded via
+   * .gitignore to prevent it from accidentally leaking to the public.
+   *
+   *   #define WIFI_SSID "WiFi SSID"
+   *   #define WIFI_PWD  "WiFi Password"
+   */
+  //#include "Configuration_Secure.h" // External file with WiFi SSID / Password
 #endif
 
 /**

Marlin/Makefile

 else ifeq ($(HARDWARE_MOTHERBOARD),1106)
 # MKS v1.5 with Allegro A4982 stepper drivers
 else ifeq ($(HARDWARE_MOTHERBOARD),1107)
-# MKS BASE 1.0 with Heroic HR4982 stepper drivers
+# MKS v1.6 with Allegro A4982 stepper drivers
 else ifeq ($(HARDWARE_MOTHERBOARD),1108)
-# MKS GEN v1.3 or 1.4
+
+# MKS BASE 1.0 with Heroic HR4982 stepper drivers
 else ifeq ($(HARDWARE_MOTHERBOARD),1109)
-# MKS GEN L
+# MKS GEN v1.3 or 1.4
 else ifeq ($(HARDWARE_MOTHERBOARD),1110)
-# zrib V2.0 control board (Chinese knock off RAMPS replica)
+# MKS GEN L
 else ifeq ($(HARDWARE_MOTHERBOARD),1111)
-# BigTreeTech or BIQU KFB2.0
+# zrib V2.0 control board (Chinese knock off RAMPS replica)
 else ifeq ($(HARDWARE_MOTHERBOARD),1112)
-# Felix 2.0+ Electronics Board (RAMPS like)
+# BigTreeTech or BIQU KFB2.0
 else ifeq ($(HARDWARE_MOTHERBOARD),1113)
-# Invent-A-Part RigidBoard
+# Felix 2.0+ Electronics Board (RAMPS like)
 else ifeq ($(HARDWARE_MOTHERBOARD),1114)
-# Invent-A-Part RigidBoard V2
+# Invent-A-Part RigidBoard
 else ifeq ($(HARDWARE_MOTHERBOARD),1115)
-# Sainsmart 2-in-1 board
+# Invent-A-Part RigidBoard V2
 else ifeq ($(HARDWARE_MOTHERBOARD),1116)
-# Ultimaker
+# Sainsmart 2-in-1 board
 else ifeq ($(HARDWARE_MOTHERBOARD),1117)
-# Ultimaker (Older electronics. Pre 1.5.4. This is rare)
+# Ultimaker
 else ifeq ($(HARDWARE_MOTHERBOARD),1118)
+# Ultimaker (Older electronics. Pre 1.5.4. This is rare)
+else ifeq ($(HARDWARE_MOTHERBOARD),1119)
   MCU ?= atmega1280
 
 # Azteeg X3
-else ifeq ($(HARDWARE_MOTHERBOARD),1119)
-# Azteeg X3 Pro
 else ifeq ($(HARDWARE_MOTHERBOARD),1120)
-# Ultimainboard 2.x (Uses TEMP_SENSOR 20)
+# Azteeg X3 Pro
 else ifeq ($(HARDWARE_MOTHERBOARD),1121)
-# Rumba
+# Ultimainboard 2.x (Uses TEMP_SENSOR 20)
 else ifeq ($(HARDWARE_MOTHERBOARD),1122)
-# Raise3D Rumba
+# Rumba
 else ifeq ($(HARDWARE_MOTHERBOARD),1123)
-# Rapide Lite RL200 Rumba
+# Raise3D Rumba
 else ifeq ($(HARDWARE_MOTHERBOARD),1124)
-# Formbot T-Rex 2 Plus
+# Rapide Lite RL200 Rumba
 else ifeq ($(HARDWARE_MOTHERBOARD),1125)
-# Formbot T-Rex 3
+# Formbot T-Rex 2 Plus
 else ifeq ($(HARDWARE_MOTHERBOARD),1126)
-# Formbot Raptor
+# Formbot T-Rex 3
 else ifeq ($(HARDWARE_MOTHERBOARD),1127)
-# Formbot Raptor 2
+# Formbot Raptor
 else ifeq ($(HARDWARE_MOTHERBOARD),1128)
-# bq ZUM Mega 3D
+# Formbot Raptor 2
 else ifeq ($(HARDWARE_MOTHERBOARD),1129)
-# MakeBoard Mini v2.1.2 is a control board sold by MicroMake
+# bq ZUM Mega 3D
 else ifeq ($(HARDWARE_MOTHERBOARD),1130)
-# TriGorilla Anycubic version 1.3 based on RAMPS EFB
+# MakeBoard Mini v2.1.2 is a control board sold by MicroMake
 else ifeq ($(HARDWARE_MOTHERBOARD),1131)
-# TriGorilla Anycubic version 1.4 based on RAMPS EFB
+# TriGorilla Anycubic version 1.3 based on RAMPS EFB
 else ifeq ($(HARDWARE_MOTHERBOARD),1132)
-# TriGorilla Anycubic version 1.4 Rev 1.1
+# TriGorilla Anycubic version 1.4 based on RAMPS EFB
 else ifeq ($(HARDWARE_MOTHERBOARD),1133)
-# Creality: Ender-4, CR-8
+# TriGorilla Anycubic version 1.4 Rev 1.1
 else ifeq ($(HARDWARE_MOTHERBOARD),1134)
-# Creality: CR10S, CR20, CR-X
+# Creality: Ender-4, CR-8
 else ifeq ($(HARDWARE_MOTHERBOARD),1135)
-# Dagoma F5
+# Creality: CR10S, CR20, CR-X
 else ifeq ($(HARDWARE_MOTHERBOARD),1136)
-# FYSETC F6
+# Dagoma F5
 else ifeq ($(HARDWARE_MOTHERBOARD),1137)
-# Duplicator i3 Plus
+# FYSETC F6 1.3
 else ifeq ($(HARDWARE_MOTHERBOARD),1138)
-# VORON
+# FYSETC F6 1.5
 else ifeq ($(HARDWARE_MOTHERBOARD),1139)
-# TRONXY V3 1.0
+# Duplicator i3 Plus
 else ifeq ($(HARDWARE_MOTHERBOARD),1140)
-# Z-Bolt X Series
+# VORON
 else ifeq ($(HARDWARE_MOTHERBOARD),1141)
-# TT OSCAR
+# TRONXY V3 1.0
 else ifeq ($(HARDWARE_MOTHERBOARD),1142)
-# Overlord/Overlord Pro
+# Z-Bolt X Series
 else ifeq ($(HARDWARE_MOTHERBOARD),1143)
-# ADIMLab Gantry v1
+# TT OSCAR
 else ifeq ($(HARDWARE_MOTHERBOARD),1144)
-# ADIMLab Gantry v2
+# Overlord/Overlord Pro
 else ifeq ($(HARDWARE_MOTHERBOARD),1145)
-# BIQU Tango V1
+# ADIMLab Gantry v1
 else ifeq ($(HARDWARE_MOTHERBOARD),1146)
-# MKS GEN L V2
+# ADIMLab Gantry v2
 else ifeq ($(HARDWARE_MOTHERBOARD),1147)
+# BIQU Tango V1
+else ifeq ($(HARDWARE_MOTHERBOARD),1148)
+# MKS GEN L V2
+else ifeq ($(HARDWARE_MOTHERBOARD),1149)
 
 #
 # RAMBo and derivatives
 # Do not try to reset an Arduino if it's not one
 upload: $(BUILD_DIR)/$(TARGET).hex
 ifeq (${AVRDUDE_PROGRAMMER}, arduino)
-	stty hup < $(UPLOAD_PORT); true
+  stty hup < $(UPLOAD_PORT); true
 endif
-	$(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH)
+  $(AVRDUDE) $(AVRDUDE_FLAGS) $(AVRDUDE_WRITE_FLASH)
 ifeq (${AVRDUDE_PROGRAMMER}, arduino)
-	stty -hup < $(UPLOAD_PORT); true
+  stty -hup < $(UPLOAD_PORT); true
 endif
 
 # Display size of file.
 ELFSIZE = $(SIZE)  $(SIZE_FLAGS) $(BUILD_DIR)/$(TARGET).elf; \
           $(SIZE)  $(BUILD_DIR)/$(TARGET).elf
 sizebefore:
-	$P if [ -f $(BUILD_DIR)/$(TARGET).elf ]; then echo; echo $(MSG_SIZE_BEFORE); $(HEXSIZE); echo; fi
+  $P if [ -f $(BUILD_DIR)/$(TARGET).elf ]; then echo; echo $(MSG_SIZE_BEFORE); $(HEXSIZE); echo; fi
 
 sizeafter: build
-	$P if [ -f $(BUILD_DIR)/$(TARGET).elf ]; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); echo; fi
+  $P if [ -f $(BUILD_DIR)/$(TARGET).elf ]; then echo; echo $(MSG_SIZE_AFTER); $(ELFSIZE); echo; fi
 
 
 # Convert ELF to COFF for use in debugging / simulating in AVR Studio or VMLAB.
 
 
 coff: $(BUILD_DIR)/$(TARGET).elf
-	$(COFFCONVERT) -O coff-avr $(BUILD_DIR)/$(TARGET).elf $(TARGET).cof
+  $(COFFCONVERT) -O coff-avr $(BUILD_DIR)/$(TARGET).elf $(TARGET).cof
 
 
 extcoff: $(TARGET).elf
-	$(COFFCONVERT) -O coff-ext-avr $(BUILD_DIR)/$(TARGET).elf $(TARGET).cof
+  $(COFFCONVERT) -O coff-ext-avr $(BUILD_DIR)/$(TARGET).elf $(TARGET).cof
 
 
 .SUFFIXES: .elf .hex .eep .lss .sym .bin
 .PRECIOUS: .o
 
 .elf.hex:
-	$(Pecho) "  COPY  $@"
-	$P $(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
+  $(Pecho) "  COPY  $@"
+  $P $(OBJCOPY) -O $(FORMAT) -R .eeprom $< $@
 
 .elf.bin:
-	$(Pecho) "  COPY  $@"
-	$P $(OBJCOPY) -O binary -R .eeprom $< $@
+  $(Pecho) "  COPY  $@"
+  $P $(OBJCOPY) -O binary -R .eeprom $< $@
 
 .elf.eep:
-	-$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
+  -$(OBJCOPY) -j .eeprom --set-section-flags=.eeprom="alloc,load" \
     --change-section-lma .eeprom=0 -O $(FORMAT) $< $@
 
 # Create extended listing file from ELF output file.
 .elf.lss:
-	$(OBJDUMP) -h -S $< > $@
+  $(OBJDUMP) -h -S $< > $@
 
 # Create a symbol table from ELF output file.
 .elf.sym:
-	$(NM) -n $< > $@
+  $(NM) -n $< > $@
 
 # Link: create ELF output file from library.
 
 $(BUILD_DIR)/$(TARGET).elf: $(OBJ) Configuration.h
-	$(Pecho) "  CXX   $@"
-	$P $(CC) $(LD_PREFIX) $(ALL_CXXFLAGS) -o $@ -L. $(OBJ) $(LDFLAGS) $(LD_SUFFIX)
+  $(Pecho) "  CXX   $@"
+  $P $(CC) $(LD_PREFIX) $(ALL_CXXFLAGS) -o $@ -L. $(OBJ) $(LDFLAGS) $(LD_SUFFIX)
 
 # Object files that were found in "src" will be stored in $(BUILD_DIR)
 # in directories that mirror the structure of "src"
 
 $(BUILD_DIR)/%.o: %.c Configuration.h Configuration_adv.h $(MAKEFILE)
-	$(Pecho) "  CC    $<"
-	$P $(CC) -MMD -c $(ALL_CFLAGS) $(CWARN) $< -o $@
+  $(Pecho) "  CC    $<"
+  $P $(CC) -MMD -c $(ALL_CFLAGS) $(CWARN) $< -o $@
 
 $(BUILD_DIR)/%.o: %.cpp Configuration.h Configuration_adv.h $(MAKEFILE)
-	$(Pecho) "  CXX   $<"
-	$P $(CXX) -MMD -c $(ALL_CXXFLAGS) $(CXXWARN) $< -o $@
+  $(Pecho) "  CXX   $<"
+  $P $(CXX) -MMD -c $(ALL_CXXFLAGS) $(CXXWARN) $< -o $@
 
 # Object files for Arduino libs will be created in $(BUILD_DIR)/arduino
 
 $(BUILD_DIR)/arduino/%.o: %.c Configuration.h Configuration_adv.h $(MAKEFILE)
-	$(Pecho) "  CC    $<"
-	$P $(CC) -MMD -c $(ALL_CFLAGS) $(LIBWARN) $< -o $@
+  $(Pecho) "  CC    $<"
+  $P $(CC) -MMD -c $(ALL_CFLAGS) $(LIBWARN) $< -o $@
 
 $(BUILD_DIR)/arduino/%.o: %.cpp Configuration.h Configuration_adv.h $(MAKEFILE)
-	$(Pecho) "  CXX   $<"
-	$P $(CXX) -MMD -c $(ALL_CXXFLAGS)  $(LIBWARN) $< -o $@
+  $(Pecho) "  CXX   $<"
+  $P $(CXX) -MMD -c $(ALL_CXXFLAGS)  $(LIBWARN) $< -o $@
 
 $(BUILD_DIR)/arduino/%.o: %.S $(MAKEFILE)
-	$(Pecho) "  CXX   $<"
-	$P $(CXX) -MMD -c $(ALL_ASFLAGS) $< -o $@
+  $(Pecho) "  CXX   $<"
+  $P $(CXX) -MMD -c $(ALL_ASFLAGS) $< -o $@
 
 # Target: clean project.
 clean:
-	$(Pecho) "  RMDIR $(BUILD_DIR)/"
-	$P rm -rf $(BUILD_DIR)
+  $(Pecho) "  RMDIR $(BUILD_DIR)/"
+  $P rm -rf $(BUILD_DIR)
 
 
 .PHONY: all build elf hex eep lss sym program coff extcoff clean depend sizebefore sizeafter

Marlin/Version.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/HAL.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/HAL.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  * Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
  *
  * This program is free software: you can redistribute it and/or modify
 //#define analogInputToDigitalPin(IO) IO
 
 #ifndef CRITICAL_SECTION_START
-  #define CRITICAL_SECTION_START  unsigned char _sreg = SREG; cli()
-  #define CRITICAL_SECTION_END    SREG = _sreg
+  #define CRITICAL_SECTION_START()  unsigned char _sreg = SREG; cli()
+  #define CRITICAL_SECTION_END()    SREG = _sreg
 #endif
 #define ISRS_ENABLED() TEST(SREG, SREG_I)
 #define ENABLE_ISRS()  sei()

Marlin/src/HAL/HAL_AVR/HAL_SPI.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/MarlinSerial.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/MarlinSerial.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/Servo.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/ServoTimers.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/endstop_interrupts.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/fast_pwm.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/fastio.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/fastio.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/fastio/fastio_1280.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/fastio/fastio_1281.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/fastio/fastio_168.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/fastio/fastio_644.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/fastio/fastio_AT90USB.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/inc/Conditionals_LCD.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/inc/Conditionals_adv.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/inc/Conditionals_post.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/inc/SanityCheck.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
   #error "TMCStepper includes SoftwareSerial.h which is incompatible with ENDSTOP_INTERRUPTS_FEATURE. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
 #endif
 
-#if TMC_HAS_SW_SERIAL && ENABLED(MONITOR_DRIVER_STATUS)
+#if HAS_TMC_SW_SERIAL && ENABLED(MONITOR_DRIVER_STATUS)
   #error "MONITOR_DRIVER_STATUS causes performance issues when used with SoftwareSerial-connected drivers. Disable MONITOR_DRIVER_STATUS or use hardware serial to continue."
 #endif

Marlin/src/HAL/HAL_AVR/math.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/persistent_store_eeprom.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/pinsDebug.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * 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

Marlin/src/HAL/HAL_AVR/pinsDebug_Teensyduino.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * 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

Marlin/src/HAL/HAL_AVR/pinsDebug_plus_70.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * 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

Marlin/src/HAL/HAL_AVR/spi_pins.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/u8g_com_HAL_AVR_sw_spi.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/watchdog.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_AVR/watchdog.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/DebugMonitor.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/EepromEmulation.cpp

+/**
+ * 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 <http://www.gnu.org/licenses/>.
+ *
+ */
 
 /* EEPROM emulation over flash with reduced wear
  *

Marlin/src/HAL/HAL_DUE/HAL.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  * Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
  *
  * This program is free software: you can redistribute it and/or modify

Marlin/src/HAL/HAL_DUE/HAL.h

 /**
  * Marlin 3D Printer Firmware
  *
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  * Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
  * Copyright (c) 2015-2016 Nico Tonnhofer wurstnase.reprap@gmail.com
  *
 //
 // Interrupts
 //
-#define CRITICAL_SECTION_START  uint32_t primask = __get_PRIMASK(); __disable_irq()
-#define CRITICAL_SECTION_END    if (!primask) __enable_irq()
+#define CRITICAL_SECTION_START()  uint32_t primask = __get_PRIMASK(); __disable_irq()
+#define CRITICAL_SECTION_END()    if (!primask) __enable_irq()
 #define ISRS_ENABLED() (!__get_PRIMASK())
 #define ENABLE_ISRS()  __enable_irq()
 #define DISABLE_ISRS() __disable_irq()

Marlin/src/HAL/HAL_DUE/HAL_SPI.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/InterruptVectors.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
   memcpy(&ram_tab, romtab, sizeof(ram_tab));
 
   // Disable global interrupts
-  CRITICAL_SECTION_START;
+  CRITICAL_SECTION_START();
 
   // Set the vector table base address to the SRAM copy
   SCB->VTOR = (uint32_t)(&ram_tab);
 
   // Reenable interrupts
-  CRITICAL_SECTION_END;
+  CRITICAL_SECTION_END();
 
   // Return the address of the table
   return (pfnISR_Handler*)(&ram_tab);
   pfnISR_Handler *isrtab = get_relocated_table_addr();
 
   // Disable global interrupts
-  CRITICAL_SECTION_START;
+  CRITICAL_SECTION_START();
 
   // Get the original handler
   pfnISR_Handler oldHandler = isrtab[irq + 16];
   isrtab[irq + 16] = newHandler;
 
   // Reenable interrupts
-  CRITICAL_SECTION_END;
+  CRITICAL_SECTION_END();
 
   // Return the original one
   return oldHandler;

Marlin/src/HAL/HAL_DUE/InterruptVectors.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/MarlinSerial.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/MarlinSerial.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/MarlinSerialUSB.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/MarlinSerialUSB.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/Servo.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/Tone.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/dogm/u8g_com_HAL_DUE_shared_hw_spi.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/dogm/u8g_com_HAL_DUE_st7920_sw_spi.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/dogm/u8g_com_HAL_DUE_sw_spi.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/dogm/u8g_com_HAL_DUE_sw_spi_shared.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/dogm/u8g_com_HAL_DUE_sw_spi_shared.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/endstop_interrupts.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/fastio.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/fastio/G2_PWM.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/fastio/G2_PWM.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/fastio/G2_pins.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/inc/Conditionals_LCD.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/inc/Conditionals_adv.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/inc/Conditionals_post.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/inc/SanityCheck.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
   #error "FAST_PWM_FAN is not yet implemented for this platform."
 #endif
 
-#if TMC_HAS_SW_SERIAL
+#if HAS_TMC_SW_SERIAL
   #error "TMC220x Software Serial is not supported on this platform."
 #endif

Marlin/src/HAL/HAL_DUE/persistent_store_eeprom.cpp

 /**
  * Marlin 3D Printer Firmware
  *
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  * Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
  * Copyright (c) 2015-2016 Nico Tonnhofer wurstnase.reprap@gmail.com
  * Copyright (c) 2016 Victor Perez victor_pv@hotmail.com

Marlin/src/HAL/HAL_DUE/pinsDebug.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * 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

Marlin/src/HAL/HAL_DUE/spi_pins.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/timers.cpp

 /**
  * Marlin 3D Printer Firmware
  *
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  * Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
  * Copyright (c) 2015-2016 Nico Tonnhofer wurstnase.reprap@gmail.com
  *

Marlin/src/HAL/HAL_DUE/timers.h

 /**
  * Marlin 3D Printer Firmware
  *
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  * Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
  *
  * This program is free software: you can redistribute it and/or modify

Marlin/src/HAL/HAL_DUE/watchdog.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_DUE/watchdog.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_ESP32/FlushableHardwareSerial.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_ESP32/FlushableHardwareSerial.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_ESP32/HAL.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
   #if HAS_TEMP_ADC_5
     adc1_set_attenuation(get_channel(TEMP_5_PIN), ADC_ATTEN_11db);
   #endif
+  #if HAS_TEMP_ADC_6
+    adc2_set_attenuation(get_channel(TEMP_6_PIN), ADC_ATTEN_11db);
+  #endif
+  #if HAS_TEMP_ADC_7
+    adc3_set_attenuation(get_channel(TEMP_7_PIN), ADC_ATTEN_11db);
+  #endif
   #if HAS_HEATED_BED
     adc1_set_attenuation(get_channel(TEMP_BED_PIN), ADC_ATTEN_11db);
   #endif

Marlin/src/HAL/HAL_ESP32/HAL.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  * Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
  *
  * This program is free software: you can redistribute it and/or modify
   #define NUM_SERIAL 1
 #endif
 
-#define CRITICAL_SECTION_START portENTER_CRITICAL(&spinlock)
-#define CRITICAL_SECTION_END   portEXIT_CRITICAL(&spinlock)
+#define CRITICAL_SECTION_START() portENTER_CRITICAL(&spinlock)
+#define CRITICAL_SECTION_END()   portEXIT_CRITICAL(&spinlock)
 #define ISRS_ENABLED() (spinlock.owner == portMUX_FREE_VAL)
 #define ENABLE_ISRS()  if (spinlock.owner != portMUX_FREE_VAL) portEXIT_CRITICAL(&spinlock)
 #define DISABLE_ISRS() portENTER_CRITICAL(&spinlock)

Marlin/src/HAL/HAL_ESP32/HAL_SPI.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_ESP32/Servo.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_ESP32/Servo.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_ESP32/WebSocketSerial.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_ESP32/WebSocketSerial.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_ESP32/endstop_interrupts.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_ESP32/fastio.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_ESP32/i2s.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
         remaining--;
       }
       else {
-        Stepper::stepper_pulse_phase_isr();
-        remaining = Stepper::stepper_block_phase_isr();
+        Stepper::pulse_phase_isr();
+        remaining = Stepper::block_phase_isr();
       }
     }
   }
   esp_intr_enable(i2s_isr_handle);
 
   // Create the task that will feed the buffer
-  xTaskCreate(stepperTask, "StepperTask", 10000, nullptr, 1, nullptr);
+  xTaskCreatePinnedToCore(stepperTask, "StepperTask", 10000, nullptr, 1, nullptr, CONFIG_ARDUINO_RUNNING_CORE); // run I2S stepper task on same core as rest of Marlin
 
   // Route the i2s pins to the appropriate GPIO
   gpio_matrix_out_check(I2S_DATA, I2S0O_DATA_OUT23_IDX, 0, 0);

Marlin/src/HAL/HAL_ESP32/i2s.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_ESP32/inc/Conditionals_LCD.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_ESP32/inc/Conditionals_adv.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_ESP32/inc/Conditionals_post.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_ESP32/inc/SanityCheck.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
   #error "FAST_PWM_FAN is not yet implemented for this platform."
 #endif
 
-#if TMC_HAS_SW_SERIAL
+#if HAS_TMC_SW_SERIAL
   #error "TMC220x Software Serial is not supported on this platform."
 #endif
 

Marlin/src/HAL/HAL_ESP32/ota.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  * Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
  *
  * This program is free software: you can redistribute it and/or modify

Marlin/src/HAL/HAL_ESP32/ota.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  * Copyright (c) 2016 Bob Cousins bobcousins42@googlemail.com
  *
  * This program is free software: you can redistribute it and/or modify

Marlin/src/HAL/HAL_ESP32/persistent_store_impl.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_ESP32/servotimers.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_ESP32/spi_pins.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * 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

Marlin/src/HAL/HAL_ESP32/spiffs.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_ESP32/spiffs.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_ESP32/timers.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
 
   timer_enable_intr(timer.group, timer.idx);
 
-  timer_isr_register(timer.group, timer.idx, timer_isr, (void*)timer_num, 0, nullptr);
+  timer_isr_register(timer.group, timer.idx, timer_isr, (void*)(uint32_t)timer_num, 0, nullptr);
 
   timer_start(timer.group, timer.idx);
 }

Marlin/src/HAL/HAL_ESP32/timers.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_ESP32/watchdog.cpp

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm

Marlin/src/HAL/HAL_ESP32/watchdog.h

 /**
  * Marlin 3D Printer Firmware
- * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
  *
  * Based on Sprinter and grbl.
  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm