Version 2.0.5.2

Co-authored-by: Scott Lahteine <github@thinkyhead.com>

Marlin/Configuration.h

@@ -99,6 +99,7 @@
 /**
  * Select the serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
+ * Serial port -1 is the USB emulated serial port, if available.
  * Note: The first serial port (-1 or 0) will always be used by the Arduino bootloader.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
@@ -107,9 +108,6 @@
 
 /**
  * Select a secondary serial port on the board to use for communication with the host.
- * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if available.
- *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
 //#define SERIAL_PORT_2 -1
@@ -363,6 +361,7 @@
  *   331 : (3.3V scaled thermistor 1 table for MEGA)
  *   332 : (3.3V scaled thermistor 1 table for DUE)
  *     2 : 200k thermistor - ATC Semitec 204GT-2 (4.7k pullup)
+ *   202 : 200k thermistor - Copymaster 3D
  *     3 : Mendel-parts thermistor (4.7k pullup)
  *     4 : 10k thermistor !! do not use it for a hotend. It gives bad resolution at high temp. !!
  *     5 : 100K thermistor - ATC Semitec 104GT-2/104NT-4-R025H42G (Used in ParCan & J-Head) (4.7k pullup)
@@ -1446,6 +1445,7 @@
 //#define EEPROM_SETTINGS     // Persistent storage with M500 and M501
 //#define DISABLE_M503        // Saves ~2700 bytes of PROGMEM. Disable for release!
 #define EEPROM_CHITCHAT       // Give feedback on EEPROM commands. Disable to save PROGMEM.
+#define EEPROM_BOOT_SILENT    // Keep M503 quiet and only give errors during first load
 #if ENABLED(EEPROM_SETTINGS)
   //#define EEPROM_AUTO_INIT  // Init EEPROM automatically on any errors.
 #endif

Marlin/Configuration_adv.h

@@ -338,15 +338,22 @@
  * Controller Fan
  * To cool down the stepper drivers and MOSFETs.
  *
- * The fan will turn on automatically whenever any stepper is enabled
- * and turn off after a set period after all steppers are turned off.
+ * The fan turns on automatically whenever any driver is enabled and turns
+ * off (or reduces to idle speed) shortly after drivers are turned off.
+ *
  */
 //#define USE_CONTROLLER_FAN
 #if ENABLED(USE_CONTROLLER_FAN)
   //#define CONTROLLER_FAN_PIN -1        // Set a custom pin for the controller fan
-  #define CONTROLLERFAN_SECS 60             // Duration in seconds for the fan to run after all motors are disabled
-  #define CONTROLLERFAN_SPEED 255           // 255 == full speed
-  //#define CONTROLLERFAN_SPEED_Z_ONLY 127  // Reduce noise on machines that keep Z enabled
+  //#define CONTROLLER_FAN_USE_Z_ONLY    // With this option only the Z axis is considered
+  #define CONTROLLERFAN_SPEED_MIN      0 // (0-255) Minimum speed. (If set below this value the fan is turned off.)
+  #define CONTROLLERFAN_SPEED_ACTIVE 255 // (0-255) Active speed, used when any motor is enabled
+  #define CONTROLLERFAN_SPEED_IDLE     0 // (0-255) Idle speed, used when motors are disabled
+  #define CONTROLLERFAN_IDLE_TIME     60 // (seconds) Extra time to keep the fan running after disabling motors
+  //#define CONTROLLER_FAN_EDITABLE      // Enable M710 configurable settings
+  #if ENABLED(CONTROLLER_FAN_EDITABLE)
+    #define CONTROLLER_FAN_MENU          // Enable the Controller Fan submenu
+  #endif
 #endif
 
 // When first starting the main fan, run it at full speed for the
@@ -753,8 +760,12 @@
 // Minimum time that a segment needs to take if the buffer is emptied
 #define DEFAULT_MINSEGMENTTIME        20000   // (ms)
 
-// If defined the movements slow down when the look ahead buffer is only half full
+// Slow down the machine if the look ahead buffer is (by default) half full.
+// Increase the slowdown divisor for larger buffer sizes.
 #define SLOWDOWN
+#if ENABLED(SLOWDOWN)
+  #define SLOWDOWN_DIVISOR 2
+#endif
 
 // Frequency limit
 // See nophead's blog for more info
@@ -999,7 +1010,7 @@
   #define BOOTSCREEN_TIMEOUT 4000        // (ms) Total Duration to display the boot screen(s)
 #endif
 
-#if HAS_GRAPHICAL_LCD && HAS_PRINT_PROGRESS
+#if HAS_GRAPHICAL_LCD && EITHER(SDSUPPORT, LCD_SET_PROGRESS_MANUALLY)
   //#define PRINT_PROGRESS_SHOW_DECIMALS // Show progress with decimal digits
   //#define SHOW_REMAINING_TIME          // Display estimated time to completion
   #if ENABLED(SHOW_REMAINING_TIME)
@@ -1008,7 +1019,7 @@
   #endif
 #endif
 
-#if HAS_CHARACTER_LCD && HAS_PRINT_PROGRESS
+#if HAS_CHARACTER_LCD && EITHER(SDSUPPORT, LCD_SET_PROGRESS_MANUALLY)
   //#define LCD_PROGRESS_BAR              // Show a progress bar on HD44780 LCDs for SD printing
   #if ENABLED(LCD_PROGRESS_BAR)
     #define PROGRESS_BAR_BAR_TIME 2000    // (ms) Amount of time to show the bar

Marlin/Makefile

@@ -267,6 +267,8 @@ else ifeq ($(HARDWARE_MOTHERBOARD),1147)
 else ifeq ($(HARDWARE_MOTHERBOARD),1148)
 # MKS GEN L V2
 else ifeq ($(HARDWARE_MOTHERBOARD),1149)
+# Copymaster 3D
+else ifeq ($(HARDWARE_MOTHERBOARD),1150)
 
 #
 # RAMBo and derivatives

Marlin/Version.h

@@ -28,7 +28,7 @@
 /**
  * Marlin release version identifier
  */
-//#define SHORT_BUILD_VERSION "2.0.5"
+//#define SHORT_BUILD_VERSION "2.0.5.2"
 
 /**
  * Verbose version identifier which should contain a reference to the location

Marlin/src/HAL/DUE/HAL.h

@@ -39,7 +39,7 @@
 #include <stdint.h>
 
 // Define MYSERIAL0/1 before MarlinSerial includes!
-#if SERIAL_PORT == -1
+#if SERIAL_PORT == -1 || ENABLED(EMERGENCY_PARSER)
   #define MYSERIAL0 customizedSerial1
 #elif SERIAL_PORT == 0
   #define MYSERIAL0 Serial
@@ -56,7 +56,7 @@
 #ifdef SERIAL_PORT_2
   #if SERIAL_PORT_2 == SERIAL_PORT
     #error "SERIAL_PORT_2 must be different from SERIAL_PORT. Please update your configuration."
-  #elif SERIAL_PORT_2 == -1
+  #elif SERIAL_PORT_2 == -1 || ENABLED(EMERGENCY_PARSER)
     #define MYSERIAL1 customizedSerial2
   #elif SERIAL_PORT_2 == 0
     #define MYSERIAL1 Serial
@@ -94,7 +94,6 @@
   #endif
 #endif
 
-
 #include "MarlinSerial.h"
 #include "MarlinSerialUSB.h"
 

Marlin/src/HAL/DUE/MarlinSerial.cpp

@@ -629,23 +629,13 @@ void MarlinSerial<Cfg>::printFloat(double number, uint8_t digits) {
 
 // If not using the USB port as serial port
 #if SERIAL_PORT >= 0
-
-  // Preinstantiate
-  template class MarlinSerial<MarlinSerialCfg<SERIAL_PORT>>;
-
-  // Instantiate
-  MarlinSerial<MarlinSerialCfg<SERIAL_PORT>> customizedSerial1;
-
+  template class MarlinSerial<MarlinSerialCfg<SERIAL_PORT>>;      // Define
+  MarlinSerial<MarlinSerialCfg<SERIAL_PORT>> customizedSerial1;   // Instantiate
 #endif
 
-#ifdef SERIAL_PORT_2
-
-  // Preinstantiate
-  template class MarlinSerial<MarlinSerialCfg<SERIAL_PORT_2>>;
-
-  // Instantiate
-  MarlinSerial<MarlinSerialCfg<SERIAL_PORT_2>> customizedSerial2;
-
+#if defined(SERIAL_PORT_2) && SERIAL_PORT_2 >= 0
+  template class MarlinSerial<MarlinSerialCfg<SERIAL_PORT_2>>;    // Define
+  MarlinSerial<MarlinSerialCfg<SERIAL_PORT_2>> customizedSerial2; // Instantiate
 #endif
 
 #endif // ARDUINO_ARCH_SAM

Marlin/src/HAL/DUE/MarlinSerial.h

@@ -172,13 +172,9 @@ struct MarlinSerialCfg {
 };
 
 #if SERIAL_PORT >= 0
-
   extern MarlinSerial<MarlinSerialCfg<SERIAL_PORT>> customizedSerial1;
-
-#endif // SERIAL_PORT >= 0
-
-#ifdef SERIAL_PORT_2
-
-  extern MarlinSerial<MarlinSerialCfg<SERIAL_PORT_2>> customizedSerial2;
-
+#endif
+
+#if defined(SERIAL_PORT_2) && SERIAL_PORT_2 >= 0
+  extern MarlinSerial<MarlinSerialCfg<SERIAL_PORT_2>> customizedSerial2;
 #endif

Marlin/src/HAL/DUE/MarlinSerialUSB.cpp

@@ -29,7 +29,7 @@
 
 #include "../../inc/MarlinConfig.h"
 
-#if SERIAL_PORT == -1
+#if HAS_USB_SERIAL
 
 #include "MarlinSerialUSB.h"
 
@@ -283,8 +283,12 @@ void MarlinSerialUSB::printFloat(double number, uint8_t digits) {
 }
 
 // Preinstantiate
-MarlinSerialUSB customizedSerial1;
-
-#endif // SERIAL_PORT == -1
+#if SERIAL_PORT == -1
+  MarlinSerialUSB customizedSerial1;
+#endif
+#if SERIAL_PORT_2 == -1
+  MarlinSerialUSB customizedSerial2;
+#endif
 
+#endif // HAS_USB_SERIAL
 #endif // ARDUINO_ARCH_SAM

Marlin/src/HAL/DUE/MarlinSerialUSB.h

@@ -28,7 +28,7 @@
 
 #include "../../inc/MarlinConfig.h"
 
-#if SERIAL_PORT == -1
+#if HAS_USB_SERIAL
 
 #include <WString.h>
 
@@ -88,6 +88,12 @@ private:
   static void printFloat(double, uint8_t);
 };
 
-extern MarlinSerialUSB customizedSerial1;
+#if SERIAL_PORT == -1
+  extern MarlinSerialUSB customizedSerial1;
+#endif
 
-#endif // SERIAL_PORT == -1
+#if SERIAL_PORT_2 == -1
+  extern MarlinSerialUSB customizedSerial2;
+#endif
+
+#endif // HAS_USB_SERIAL

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

@@ -24,5 +24,5 @@
 #if USE_EMULATED_EEPROM
   #undef SRAM_EEPROM_EMULATION
   #undef SDCARD_EEPROM_EMULATION
-  #define FLASH_EEPROM_EMULATION 1
+  #define FLASH_EEPROM_EMULATION
 #endif

Marlin/src/HAL/ESP32/inc/Conditionals_post.h

@@ -20,3 +20,8 @@
  *
  */
 #pragma once
+
+// If no real EEPROM, Flash emulation, or SRAM emulation is available fall back to SD emulation
+#if ENABLED(EEPROM_SETTINGS) && NONE(USE_REAL_EEPROM, FLASH_EEPROM_EMULATION, SRAM_EEPROM_EMULATION)
+  #define SDCARD_EEPROM_EMULATION
+#endif

Marlin/src/HAL/LPC1768/HAL.cpp

@@ -67,9 +67,7 @@ int16_t PARSED_PIN_INDEX(const char code, const int16_t dval) {
   return ind > -1 ? ind : dval;
 }
 
-void flashFirmware(int16_t value) {
-  NVIC_SystemReset();
-}
+void flashFirmware(const int16_t) { NVIC_SystemReset(); }
 
 void HAL_clear_reset_source(void) {
   #if ENABLED(USE_WATCHDOG)

Marlin/src/HAL/LPC1768/HAL.h

@@ -195,7 +195,7 @@ int16_t PARSED_PIN_INDEX(const char code, const int16_t dval);
 void HAL_idletask();
 
 #define PLATFORM_M997_SUPPORT
-void flashFirmware(int16_t value);
+void flashFirmware(const int16_t);
 
 /**
  * set_pwm_frequency

Marlin/src/HAL/LPC1768/inc/Conditionals_post.h

@@ -21,10 +21,6 @@
  */
 #pragma once
 
-#if ENABLED(EEPROM_SETTINGS)
-  #undef USE_REAL_EEPROM
-  #define USE_EMULATED_EEPROM 1
-  #if DISABLED(FLASH_EEPROM_EMULATION)
-    #define SDCARD_EEPROM_EMULATION 1
-  #endif
+#if USE_EMULATED_EEPROM && NONE(SDCARD_EEPROM_EMULATION, SRAM_EEPROM_EMULATION)
+  #define FLASH_EEPROM_EMULATION
 #endif

Marlin/src/HAL/LPC1768/persistent_store_flash.cpp

@@ -36,12 +36,11 @@
  * 16Kb I/O buffers (intended to hold DMA USB and Ethernet data, but currently
  * unused).
  */
-#include "../../inc/MarlinConfigPre.h"
+#include "../../inc/MarlinConfig.h"
 
 #if ENABLED(FLASH_EEPROM_EMULATION)
 
 #include "persistent_store_api.h"
-#include "../../inc/MarlinConfig.h"
 
 extern "C" {
   #include <lpc17xx_iap.h>

Marlin/src/HAL/SAMD51/inc/Conditionals_post.h

@@ -24,5 +24,5 @@
 #if USE_EMULATED_EEPROM
   #undef SRAM_EEPROM_EMULATION
   #undef SDCARD_EEPROM_EMULATION
-  #define FLASH_EEPROM_EMULATION 1
+  #define FLASH_EEPROM_EMULATION
 #endif

Marlin/src/HAL/STM32/HAL.cpp

@@ -133,6 +133,6 @@ void HAL_adc_start_conversion(const uint8_t adc_pin) { HAL_adc_result = analogRe
 
 uint16_t HAL_adc_get_result() { return HAL_adc_result; }
 
-void flashFirmware(int16_t) { NVIC_SystemReset(); }
+void flashFirmware(const int16_t) { NVIC_SystemReset(); }
 
 #endif // ARDUINO_ARCH_STM32 && !STM32GENERIC

Marlin/src/HAL/STM32/HAL.h

@@ -223,4 +223,4 @@ uint16_t HAL_adc_get_result();
 #define PARSED_PIN_INDEX(code, dval) parser.intval(code, dval)
 
 #define PLATFORM_M997_SUPPORT
-void flashFirmware(int16_t value);
+void flashFirmware(const int16_t);

Marlin/src/HAL/STM32/inc/Conditionals_post.h

@@ -20,3 +20,8 @@
  *
  */
 #pragma once
+
+// If no real EEPROM, Flash emulation, or SRAM emulation is available fall back to SD emulation
+#if ENABLED(EEPROM_SETTINGS) && NONE(USE_REAL_EEPROM, FLASH_EEPROM_EMULATION, SRAM_EEPROM_EMULATION)
+  #define SDCARD_EEPROM_EMULATION
+#endif

Marlin/src/HAL/STM32F1/HAL.cpp

@@ -388,6 +388,6 @@ void analogWrite(pin_t pin, int pwm_val8) {
     analogWrite(uint8_t(pin), pwm_val8);
 }
 
-void flashFirmware(int16_t value) { nvic_sys_reset(); }
+void flashFirmware(const int16_t) { nvic_sys_reset(); }
 
 #endif // __STM32F1__

Marlin/src/HAL/STM32F1/HAL.h

@@ -160,6 +160,7 @@ void HAL_idletask();
 
 #ifndef digitalPinHasPWM
   #define digitalPinHasPWM(P) (PIN_MAP[P].timer_device != nullptr)
+  #define NO_COMPILE_TIME_PWM
 #endif
 
 #define CRITICAL_SECTION_START()  uint32_t primask = __get_primask(); (void)__iCliRetVal()
@@ -287,4 +288,4 @@ void analogWrite(pin_t pin, int pwm_val8); // PWM only! mul by 257 in maple!?
 #define JTAGSWD_DISABLE() afio_cfg_debug_ports(AFIO_DEBUG_NONE)
 
 #define PLATFORM_M997_SUPPORT
-void flashFirmware(int16_t value);
+void flashFirmware(const int16_t);

Marlin/src/HAL/STM32_F4_F7/inc/Conditionals_post.h

@@ -23,8 +23,7 @@
 
 #if ENABLED(EEPROM_SETTINGS) && defined(STM32F7)
   #undef USE_REAL_EEPROM
-  #define USE_EMULATED_EEPROM 1
   #undef SRAM_EEPROM_EMULATION
   #undef SDCARD_EEPROM_EMULATION
-  #define FLASH_EEPROM_EMULATION 1
+  #define FLASH_EEPROM_EMULATION
 #endif

Marlin/src/HAL/TEENSY31_32/inc/Conditionals_post.h

@@ -20,3 +20,8 @@
  *
  */
 #pragma once
+
+// If no real EEPROM, Flash emulation, or SRAM emulation is available fall back to SD emulation
+#if ENABLED(EEPROM_SETTINGS) && NONE(USE_REAL_EEPROM, FLASH_EEPROM_EMULATION, SRAM_EEPROM_EMULATION)
+  #define SDCARD_EEPROM_EMULATION
+#endif

Marlin/src/MarlinCore.cpp

@@ -202,7 +202,7 @@ const char NUL_STR[] PROGMEM = "",
            SP_Z_LBL[] PROGMEM = " Z:",
            SP_E_LBL[] PROGMEM = " E:";
 
-bool Running = true;
+MarlinState marlin_state = MF_INITIALIZING;
 
 // For M109 and M190, this flag may be cleared (by M108) to exit the wait loop
 bool wait_for_heatup = true;
@@ -567,7 +567,7 @@ inline void manage_inactivity(const bool ignore_stepper_queue=false) {
   #endif
 
   #if ENABLED(USE_CONTROLLER_FAN)
-    controllerfan_update(); // Check if fan should be turned on to cool stepper drivers down
+    controllerFan.update(); // Check if fan should be turned on to cool stepper drivers down
   #endif
 
   #if ENABLED(AUTO_POWER_CONTROL)
@@ -839,7 +839,7 @@ void stop() {
     SERIAL_ERROR_MSG(STR_ERR_STOPPED);
     LCD_MESSAGEPGM(MSG_STOPPED);
     safe_delay(350);       // allow enough time for messages to get out before stopping
-    Running = false;
+    marlin_state = MF_STOPPED;
   }
 }
 
@@ -984,6 +984,10 @@ void setup() {
     SETUP_RUN(leds.setup());
   #endif
 
+  #if ENABLED(USE_CONTROLLER_FAN)     // Set up fan controller to initialize also the default configurations.
+    SETUP_RUN(controllerFan.setup());
+  #endif
+
   SETUP_RUN(ui.init());
   SETUP_RUN(ui.reset_status());       // Load welcome message early. (Retained if no errors exist.)
 
@@ -991,8 +995,8 @@ void setup() {
     SETUP_RUN(ui.show_bootscreen());
   #endif
 
-  #if ENABLED(SDSUPPORT)
-    SETUP_RUN(card.mount());          // Mount the SD card before settings.first_load
+  #if ENABLED(SDSUPPORT) && defined(SDCARD_CONNECTION) && !SD_CONNECTION_IS(LCD)
+    SETUP_RUN(card.mount());          // Mount onboard / custom SD card before settings.first_load
   #endif
 
   SETUP_RUN(settings.first_load());   // Load data from EEPROM if available (or use defaults)
@@ -1047,10 +1051,6 @@ void setup() {
     SETUP_RUN(endstops.enable_z_probe(false));
   #endif
 
-  #if ENABLED(USE_CONTROLLER_FAN)
-    SET_OUTPUT(CONTROLLER_FAN_PIN);
-  #endif
-
   #if HAS_STEPPER_RESET
     SETUP_RUN(enableStepperDrivers());
   #endif
@@ -1183,6 +1183,8 @@ void setup() {
     SETUP_RUN(max7219.init());
   #endif
 
+  marlin_state = MF_RUNNING;
+
   SETUP_LOG("setup() completed.");
 }
 

Marlin/src/MarlinCore.h

@@ -76,9 +76,19 @@ void minkill(const bool steppers_off=false);
 
 void quickstop_stepper();
 
-extern bool Running;
-inline bool IsRunning() { return  Running; }
-inline bool IsStopped() { return !Running; }
+// Global State of the firmware
+enum MarlinState : uint8_t {
+  MF_INITIALIZING =  0,
+  MF_RUNNING      = _BV(0),
+  MF_PAUSED       = _BV(1),
+  MF_WAITING      = _BV(2),
+  MF_STOPPED      = _BV(3),
+  MF_KILLED       = _BV(7)
+};
+
+extern MarlinState marlin_state;
+inline bool IsRunning() { return marlin_state == MF_RUNNING; }
+inline bool IsStopped() { return marlin_state != MF_RUNNING; }
 
 bool printingIsActive();
 bool printingIsPaused();

Marlin/src/core/boards.h

@@ -103,6 +103,7 @@
 #define BOARD_HJC2560C_REV2           1147  // ADIMLab Gantry v2
 #define BOARD_TANGO                   1148  // BIQU Tango V1
 #define BOARD_MKS_GEN_L_V2            1149  // MKS GEN L V2
+#define BOARD_COPYMASTER_3D           1150  // Copymaster 3D
 
 //
 // RAMBo and derivatives

Marlin/src/core/macros.h

@@ -21,6 +21,10 @@
  */
 #pragma once
 
+#if !defined(__has_include)
+  #define __has_include(...) 1
+#endif
+
 #define ABCE 4
 #define XYZE 4
 #define ABC  3

Marlin/src/core/utility.cpp

@@ -67,7 +67,6 @@ void safe_delay(millis_t ms) {
       TERN(PROBE_MANUALLY, "PROBE_MANUALLY", "")
       TERN(NOZZLE_AS_PROBE, "NOZZLE_AS_PROBE", "")
       TERN(FIX_MOUNTED_PROBE, "FIX_MOUNTED_PROBE", "")
-      TERN(BLTOUCH, "BLTOUCH", "")
       TERN(HAS_Z_SERVO_PROBE, TERN(BLTOUCH, "BLTOUCH", "SERVO PROBE"), "")
       TERN(TOUCH_MI_PROBE, "TOUCH_MI_PROBE", "")
       TERN(Z_PROBE_SLED, "Z_PROBE_SLED", "")

Marlin/src/feature/bedlevel/ubl/ubl_G29.cpp

@@ -1611,7 +1611,7 @@
          * numbers for those locations should be 0.
          */
         #ifdef VALIDATE_MESH_TILT
-          auto d_from = []() { DEBUG_ECHOPGM("D from "); };
+          auto d_from = []{ DEBUG_ECHOPGM("D from "); };
           auto normed = [&](const xy_pos_t &pos, const float &zadd) {
             return normal.x * pos.x + normal.y * pos.y + zadd;
           };

Marlin/src/feature/controllerfan.cpp

@@ -24,60 +24,80 @@
 
 #if ENABLED(USE_CONTROLLER_FAN)
 
+#include "controllerfan.h"
 #include "../module/stepper/indirection.h"
 #include "../module/temperature.h"
 
-uint8_t controllerfan_speed;
+ControllerFan controllerFan;
 
-void controllerfan_update() {
+uint8_t ControllerFan::speed;
+
+#if ENABLED(CONTROLLER_FAN_EDITABLE)
+  controllerFan_settings_t ControllerFan::settings; // {0}
+#endif
+
+void ControllerFan::setup() {
+  SET_OUTPUT(CONTROLLER_FAN_PIN);
+  init();
+}
+
+void ControllerFan::set_fan_speed(const uint8_t s) {
+  speed = s < (CONTROLLERFAN_SPEED_MIN) ? 0 : s; // Fan OFF below minimum
+}
+
+void ControllerFan::update() {
   static millis_t lastMotorOn = 0,    // Last time a motor was turned on
                   nextMotorCheck = 0; // Last time the state was checked
   const millis_t ms = millis();
   if (ELAPSED(ms, nextMotorCheck)) {
     nextMotorCheck = ms + 2500UL; // Not a time critical function, so only check every 2.5s
 
-    const bool xory = X_ENABLE_READ() == bool(X_ENABLE_ON) || Y_ENABLE_READ() == bool(Y_ENABLE_ON);
+    #define MOTOR_IS_ON(A,B) (A##_ENABLE_READ() == bool(B##_ENABLE_ON))
+    #define _OR_ENABLED_E(N) || MOTOR_IS_ON(E##N,E)
 
-    // If any of the drivers or the bed are enabled...
-    if (xory || Z_ENABLE_READ() == bool(Z_ENABLE_ON)
+    const bool motor_on = MOTOR_IS_ON(Z,Z)
+      #if HAS_Z2_ENABLE
+        || MOTOR_IS_ON(Z2,Z)
+      #endif
+      #if HAS_Z3_ENABLE
+        || MOTOR_IS_ON(Z3,Z)
+      #endif
+      #if HAS_Z4_ENABLE
+        || MOTOR_IS_ON(Z4,Z)
+      #endif
+      || (DISABLED(CONTROLLER_FAN_USE_Z_ONLY) && (
+          MOTOR_IS_ON(X,X) || MOTOR_IS_ON(Y,Y)
+          #if HAS_X2_ENABLE
+            || MOTOR_IS_ON(X2,X)
+          #endif
+          #if HAS_Y2_ENABLE
+            || MOTOR_IS_ON(Y2,Y)
+          #endif
+          #if E_STEPPERS
+            REPEAT(E_STEPPERS, _OR_ENABLED_E)
+          #endif
+        )
+      )
+    ;
+
+    // If any of the drivers or the heated bed are enabled...
+    if (motor_on
       #if HAS_HEATED_BED
         || thermalManager.temp_bed.soft_pwm_amount > 0
       #endif
-      #if HAS_X2_ENABLE
-        || X2_ENABLE_READ() == bool(X_ENABLE_ON)
-      #endif
-      #if HAS_Y2_ENABLE
-        || Y2_ENABLE_READ() == bool(Y_ENABLE_ON)
-      #endif
-      #if HAS_Z2_ENABLE
-        || Z2_ENABLE_READ() == bool(Z_ENABLE_ON)
-      #endif
-      #if HAS_Z3_ENABLE
-        || Z3_ENABLE_READ() == bool(Z_ENABLE_ON)
-      #endif
-      #if HAS_Z4_ENABLE
-        || Z4_ENABLE_READ() == bool(Z_ENABLE_ON)
-      #endif
-      #if E_STEPPERS
-        #define _OR_ENABLED_E(N) || E##N##_ENABLE_READ() == bool(E_ENABLE_ON)
-        REPEAT(E_STEPPERS, _OR_ENABLED_E)
-      #endif
-    ) {
-      lastMotorOn = ms; //... set time to NOW so the fan will turn on
-    }
+    ) lastMotorOn = ms; //... set time to NOW so the fan will turn on
 
-    // Fan off if no steppers have been enabled for CONTROLLERFAN_SECS seconds
-    controllerfan_speed = (!lastMotorOn || ELAPSED(ms, lastMotorOn + (CONTROLLERFAN_SECS) * 1000UL)) ? 0 : (
-      #ifdef CONTROLLERFAN_SPEED_Z_ONLY
-        xory ? CONTROLLERFAN_SPEED : CONTROLLERFAN_SPEED_Z_ONLY
-      #else
-        CONTROLLERFAN_SPEED
-      #endif
+    // Fan Settings. Set fan > 0:
+    //  - If AutoMode is on and steppers have been enabled for CONTROLLERFAN_IDLE_TIME seconds.
+    //  - If System is on idle and idle fan speed settings is activated.
+    set_fan_speed(
+      settings.auto_mode && lastMotorOn && PENDING(ms, lastMotorOn + settings.duration * 1000UL)
+      ? settings.active_speed : settings.idle_speed
     );
 
     // Allow digital or PWM fan output (see M42 handling)
-    WRITE(CONTROLLER_FAN_PIN, controllerfan_speed);
-    analogWrite(pin_t(CONTROLLER_FAN_PIN), controllerfan_speed);
+    WRITE(CONTROLLER_FAN_PIN, speed);
+    analogWrite(pin_t(CONTROLLER_FAN_PIN), speed);
   }
 }
 

Marlin/src/feature/controllerfan.h

@@ -21,4 +21,56 @@
  */
 #pragma once
 
-void controllerfan_update();
+#include "../inc/MarlinConfigPre.h"
+
+typedef struct {
+  uint8_t   active_speed,    // 0-255 (fullspeed); Speed with enabled stepper motors
+            idle_speed;      // 0-255 (fullspeed); Speed after idle period with all motors are disabled
+  uint16_t  duration;        // Duration in seconds for the fan to run after all motors are disabled
+  bool      auto_mode;       // Default true
+} controllerFan_settings_t;
+
+#ifndef CONTROLLERFAN_SPEED_ACTIVE
+  #define CONTROLLERFAN_SPEED_ACTIVE 255
+#endif
+#ifndef CONTROLLERFAN_SPEED_IDLE
+  #define CONTROLLERFAN_SPEED_IDLE     0
+#endif
+#ifndef CONTROLLERFAN_IDLE_TIME
+  #define CONTROLLERFAN_IDLE_TIME     60
+#endif
+
+static constexpr controllerFan_settings_t controllerFan_defaults = {
+  CONTROLLERFAN_SPEED_ACTIVE,
+  CONTROLLERFAN_SPEED_IDLE,
+  CONTROLLERFAN_IDLE_TIME,
+  true
+};
+
+#if ENABLED(USE_CONTROLLER_FAN)
+
+class ControllerFan {
+  private:
+    static uint8_t speed;
+    static void set_fan_speed(const uint8_t s);
+
+  public:
+    #if ENABLED(CONTROLLER_FAN_EDITABLE)
+      static controllerFan_settings_t settings;
+    #else
+      static const controllerFan_settings_t constexpr &settings = controllerFan_defaults;
+    #endif
+    static inline bool state() { return speed > 0; }
+    static inline void init() { reset(); }
+    static inline void reset() {
+      #if ENABLED(CONTROLLER_FAN_EDITABLE)
+        settings = controllerFan_defaults;
+      #endif
+    }
+    static void setup();
+    static void update();
+};
+
+extern ControllerFan controllerFan;
+
+#endif

Marlin/src/feature/power.cpp

@@ -46,8 +46,8 @@ bool Power::is_power_needed() {
     HOTEND_LOOP() if (thermalManager.autofan_speed[e]) return true;
   #endif
 
-  #if ENABLED(AUTO_POWER_CONTROLLERFAN, USE_CONTROLLER_FAN) && HAS_CONTROLLER_FAN
-    if (controllerfan_speed) return true;
+  #if BOTH(USE_CONTROLLER_FAN, AUTO_POWER_CONTROLLERFAN)
+    if (controllerFan.state()) return true;
   #endif
 
   #if ENABLED(AUTO_POWER_CHAMBER_FAN)

Marlin/src/gcode/bedlevel/abl/G29.cpp

@@ -934,7 +934,12 @@ G29_TYPE GcodeSuite::G29() {
 
         // Unapply the offset because it is going to be immediately applied
         // and cause compensation movement in Z
-        current_position.z -= bilinear_z_offset(current_position);
+        #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
+          const float fade_scaling_factor = planner.fade_scaling_factor_for_z(current_position.z);
+        #else
+          constexpr float fade_scaling_factor = 1.0f;
+        #endif
+        current_position.z -= fade_scaling_factor * bilinear_z_offset(current_position);
 
         if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPAIR(" corrected Z:", current_position.z);
       }

Marlin/src/gcode/calibrate/G34_M422.cpp

@@ -203,7 +203,7 @@ void GcodeSuite::G34() {
         const uint8_t iprobe = (iteration & 1) ? NUM_Z_STEPPER_DRIVERS - 1 - i : i;
 
         // Safe clearance even on an incline
-        if (iteration == 0 || i > 0) do_blocking_move_to_z(z_probe);
+        if ((iteration == 0 || i > 0) && z_probe > current_position.z) do_blocking_move_to_z(z_probe);
 
         if (DEBUGGING(LEVELING))
           DEBUG_ECHOLNPAIR_P(PSTR("Probing X"), z_stepper_align.xy[iprobe].x, SP_Y_STR, z_stepper_align.xy[iprobe].y);

Marlin/src/gcode/config/M43.cpp

@@ -67,6 +67,7 @@ inline void toggle_pins() {
     else {
       watchdog_refresh();
       report_pin_state_extended(pin, ignore_protection, true, PSTR("Pulsing   "));
+      const bool prior_mode = GET_PINMODE(pin);
       #if AVR_AT90USB1286_FAMILY // Teensy IDEs don't know about these pins so must use FASTIO
         if (pin == TEENSY_E2) {
           SET_OUTPUT(TEENSY_E2);
@@ -95,6 +96,7 @@ inline void toggle_pins() {
           watchdog_refresh();
         }
       }
+      pinMode(pin, prior_mode);
     }
     SERIAL_EOL();
   }

Marlin/src/gcode/control/M42.cpp

@@ -37,16 +37,33 @@
  *
  *  S<byte> Pin status from 0 - 255
  *  I       Flag to ignore Marlin's pin protection
+ *
+ *  M<mode> Pin mode: 0=INPUT  1=OUTPUT  2=INPUT_PULLUP  3=INPUT_PULLDOWN
  */
 void GcodeSuite::M42() {
-  if (!parser.seenval('S')) return;
-  const byte pin_status = parser.value_byte();
-
   const int pin_index = PARSED_PIN_INDEX('P', GET_PIN_MAP_INDEX(LED_PIN));
   if (pin_index < 0) return;
 
   const pin_t pin = GET_PIN_MAP_PIN(pin_index);
 
+  if (!parser.boolval('I') && pin_is_protected(pin)) return protected_pin_err();
+
+  if (parser.seenval('M')) {
+    switch (parser.value_byte()) {
+      case 0: pinMode(pin, INPUT); break;
+      case 1: pinMode(pin, OUTPUT); break;
+      case 2: pinMode(pin, INPUT_PULLUP); break;
+      #ifdef INPUT_PULLDOWN
+        case 3: pinMode(pin, INPUT_PULLDOWN); break;
+      #endif
+      default: SERIAL_ECHOLNPGM("Invalid Pin Mode");
+    }
+    return;
+  }
+
+  if (!parser.seenval('S')) return;
+  const byte pin_status = parser.value_byte();
+
   #if FAN_COUNT > 0
     switch (pin) {
       #if HAS_FAN0
@@ -76,8 +93,6 @@ void GcodeSuite::M42() {
     }
   #endif
 
-  if (!parser.boolval('I') && pin_is_protected(pin)) return protected_pin_err();
-
   pinMode(pin, OUTPUT);
   extDigitalWrite(pin, pin_status);
   analogWrite(pin, pin_status);

Marlin/src/gcode/control/M999.cpp

@@ -23,7 +23,7 @@
 #include "../gcode.h"
 
 #include "../../lcd/ultralcd.h" // for lcd_reset_alert_level
-#include "../../MarlinCore.h"   // for Running
+#include "../../MarlinCore.h"   // for marlin_state
 #include "../queue.h"           // for flush_and_request_resend
 
 /**
@@ -37,7 +37,7 @@
  *
  */
 void GcodeSuite::M999() {
-  Running = true;
+  marlin_state = MF_RUNNING;
   ui.reset_alert_level();
 
   if (parser.boolval('S')) return;

Marlin/src/gcode/feature/advance/M900.cpp

@@ -42,7 +42,7 @@
  */
 void GcodeSuite::M900() {
 
-  auto echo_value_oor = [] (const char ltr, const bool ten=true) {
+  auto echo_value_oor = [](const char ltr, const bool ten=true) {
     SERIAL_CHAR('?'); SERIAL_CHAR(ltr);
     SERIAL_ECHOPGM(" value out of range");
     if (ten) SERIAL_ECHOPGM(" (0-10)");

Marlin/src/gcode/feature/controllerfan/M710.cpp

@@ -0,0 +1,81 @@
+/**
+ * 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/>.
+ *
+ */
+
+#include "../../../inc/MarlinConfigPre.h"
+
+#if ENABLED(CONTROLLER_FAN_EDITABLE)
+
+#include "../../gcode.h"
+#include "../../../feature/controllerfan.h"
+
+void M710_report(const bool forReplay) {
+  if (!forReplay) { SERIAL_ECHOLNPGM("; Controller Fan"); SERIAL_ECHO_START(); }
+  SERIAL_ECHOLNPAIR("M710 "
+    "S", int(controllerFan.settings.active_speed),
+    "I", int(controllerFan.settings.idle_speed),
+    "A", int(controllerFan.settings.auto_mode),
+    "D", controllerFan.settings.duration,
+    " ; (", (int(controllerFan.settings.active_speed) * 100) / 255, "%"
+    " ", (int(controllerFan.settings.idle_speed) * 100) / 255, "%)"
+  );
+}
+
+/**
+ * M710: Set controller fan settings
+ *
+ *  R         : Reset to defaults
+ *  S[0-255]  : Fan speed when motors are active
+ *  I[0-255]  : Fan speed when motors are idle
+ *  A[0|1]    : Turn auto mode on or off
+ *  D         : Set auto mode idle duration
+ *
+ * Examples:
+ *   M710                   ; Report current Settings
+ *   M710 R                 ; Reset SIAD to defaults
+ *   M710 I64               ; Set controller fan Idle Speed to 25%
+ *   M710 S255              ; Set controller fan Active Speed to 100%
+ *   M710 S0                ; Set controller fan Active Speed to OFF
+ *   M710 I255 A0           ; Set controller fan Idle Speed to 100% with Auto Mode OFF
+ *   M710 I127 A1 S255 D160 ; Set controller fan idle speed 50%, AutoMode On, Fan speed 100%, duration to 160 Secs
+ */
+void GcodeSuite::M710() {
+
+  const bool seenR = parser.seen('R');
+  if (seenR) controllerFan.reset();
+
+  const bool seenS = parser.seenval('S');
+  if (seenS) controllerFan.settings.active_speed = parser.value_byte();
+
+  const bool seenI = parser.seenval('I');
+  if (seenI) controllerFan.settings.idle_speed = parser.value_byte();
+
+  const bool seenA = parser.seenval('A');
+  if (seenA) controllerFan.settings.auto_mode = parser.value_bool();
+
+  const bool seenD = parser.seenval('D');
+  if (seenD) controllerFan.settings.duration = parser.value_ushort();
+
+  if (!(seenR || seenS || seenI || seenA || seenD))
+    M710_report(false);
+}
+
+#endif // CONTROLLER_FAN_EDITABLE

Marlin/src/gcode/gcode.cpp

@@ -752,6 +752,10 @@ void GcodeSuite::process_parsed_command(const bool no_ok/*=false*/) {
         case 702: M702(); break;                                  // M702: Unload Filament
       #endif
 
+      #if ENABLED(CONTROLLER_FAN_EDITABLE)
+        case 710: M710(); break;                                  // M710: Set Controller Fan settings
+      #endif
+
       #if ENABLED(GCODE_MACROS)
         case 810: case 811: case 812: case 813: case 814:
         case 815: case 816: case 817: case 818: case 819:

Marlin/src/gcode/gcode.h

@@ -972,6 +972,10 @@ private:
     static void M7219();
   #endif
 
+  #if ENABLED(CONTROLLER_FAN_EDITABLE)
+    static void M710();
+  #endif
+
   static void T(const uint8_t tool_index);
 
 };

Marlin/src/inc/Conditionals_LCD.h

@@ -683,6 +683,10 @@
   #define SPI_SPEED SPI_FULL_SPEED
 #endif
 
+#if SERIAL_PORT == -1 || SERIAL_PORT_2 == -1
+  #define HAS_USB_SERIAL 1
+#endif
+
 /**
  * This setting is also used by M109 when trying to calculate
  * a ballpark safe margin to prevent wait-forever situation.

Marlin/src/inc/Conditionals_post.h

@@ -35,15 +35,13 @@
   #define HAS_LINEAR_E_JERK 1
 #endif
 
+// If no real EEPROM, Flash emulation, or SRAM emulation is available fall back to SD emulation
 #if ENABLED(EEPROM_SETTINGS)
   #if NONE(FLASH_EEPROM_EMULATION, SRAM_EEPROM_EMULATION, SDCARD_EEPROM_EMULATION) && EITHER(I2C_EEPROM, SPI_EEPROM)
     #define USE_REAL_EEPROM 1
   #else
     #define USE_EMULATED_EEPROM 1
   #endif
-  #if NONE(USE_REAL_EEPROM, FLASH_EEPROM_EMULATION, SRAM_EEPROM_EMULATION)
-    #define SDCARD_EEPROM_EMULATION 1
-  #endif
 #else
   #undef I2C_EEPROM
   #undef SPI_EEPROM

Marlin/src/inc/MarlinConfigPre.h

@@ -37,12 +37,8 @@
 #include "../../Configuration.h"
 
 #ifdef CUSTOM_VERSION_FILE
-  #if defined(__has_include)
-    #if __has_include(XSTR(../../CUSTOM_VERSION_FILE))
-      #include XSTR(../../CUSTOM_VERSION_FILE)
-    #endif
-  #else
-    #include XSTR(../../CUSTOM_VERSION_FILE)
+  #if __has_include(STRINGIFY(../../CUSTOM_VERSION_FILE))
+    #include STRINGIFY(../../CUSTOM_VERSION_FILE)
   #endif
 #endif
 

Marlin/src/inc/SanityCheck.h

@@ -270,6 +270,10 @@
   #error "Replace SLED_PIN with SOL1_PIN (applies to both Z_PROBE_SLED and SOLENOID_PROBE)."
 #elif defined(CONTROLLERFAN_PIN)
   #error "CONTROLLERFAN_PIN is now CONTROLLER_FAN_PIN, enabled with USE_CONTROLLER_FAN. Please update your Configuration_adv.h."
+#elif defined(CONTROLLERFAN_SPEED)
+  #error "CONTROLLERFAN_SPEED is now CONTROLLERFAN_SPEED_ACTIVE. Please update your Configuration_adv.h."
+#elif defined(CONTROLLERFAN_SECS)
+  #error "CONTROLLERFAN_SECS is now CONTROLLERFAN_IDLE_TIME. Please update your Configuration_adv.h."
 #elif defined(MIN_RETRACT)
   #error "MIN_RETRACT is now MIN_AUTORETRACT and MAX_AUTORETRACT. Please update your Configuration_adv.h."
 #elif defined(ADVANCE)
@@ -1983,7 +1987,7 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
 /**
  * Auto Fan check for PWM pins
  */
-#if HAS_AUTO_FAN && EXTRUDER_AUTO_FAN_SPEED != 255
+#if HAS_AUTO_FAN && EXTRUDER_AUTO_FAN_SPEED != 255 && DISABLED(NO_COMPILE_TIME_PWM)
   #define AF_ERR_SUFF "_AUTO_FAN_PIN is not a PWM pin. Set EXTRUDER_AUTO_FAN_SPEED to 255."
   #if HAS_AUTO_FAN_0
     static_assert(PWM_PIN(E0_AUTO_FAN_PIN), "E0" AF_ERR_SUFF);
@@ -1993,9 +1997,24 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
     static_assert(PWM_PIN(E2_AUTO_FAN_PIN), "E2" AF_ERR_SUFF);
   #elif HAS_AUTO_FAN_3
     static_assert(PWM_PIN(E3_AUTO_FAN_PIN), "E3" AF_ERR_SUFF);
+  #elif HAS_AUTO_FAN_4
+    static_assert(PWM_PIN(E4_AUTO_FAN_PIN), "E4" AF_ERR_SUFF);
+  #elif HAS_AUTO_FAN_5
+    static_assert(PWM_PIN(E5_AUTO_FAN_PIN), "E5" AF_ERR_SUFF);
+  #elif HAS_AUTO_FAN_6
+    static_assert(PWM_PIN(E6_AUTO_FAN_PIN), "E6" AF_ERR_SUFF);
+  #elif HAS_AUTO_FAN_7
+    static_assert(PWM_PIN(E7_AUTO_FAN_PIN), "E7" AF_ERR_SUFF);
   #endif
 #endif
 
+/**
+ * Make sure only one EEPROM type is enabled
+ */
+#if ENABLED(EEPROM_SETTINGS) && 1 < ENABLED(SDCARD_EEPROM_EMULATION) + ENABLED(FLASH_EEPROM_EMULATION) + ENABLED(SRAM_EEPROM_EMULATION)
+  #error "Please select only one of SDCARD, FLASH, or SRAM_EEPROM_EMULATION."
+#endif
+
 /**
  * Make sure only one display is enabled
  */
@@ -2634,14 +2653,14 @@ static_assert(   _ARR_TEST(3,0) && _ARR_TEST(3,1) && _ARR_TEST(3,2)
 #endif
 
 #if ENABLED(BACKLASH_COMPENSATION)
-  #if IS_CORE
-    #error "BACKLASH_COMPENSATION is incompatible with CORE kinematics."
-  #endif
   #ifndef BACKLASH_DISTANCE_MM
     #error "BACKLASH_COMPENSATION requires BACKLASH_DISTANCE_MM"
-  #endif
-  #ifndef BACKLASH_CORRECTION
+  #elif !defined(BACKLASH_CORRECTION)
     #error "BACKLASH_COMPENSATION requires BACKLASH_CORRECTION"
+  #elif IS_CORE
+    constexpr float backlash_arr[] = BACKLASH_DISTANCE_MM;
+    static_assert(!backlash_arr[CORE_AXIS_1] && !backlash_arr[CORE_AXIS_2],
+                  "BACKLASH_COMPENSATION can only apply to " STRINGIFY(NORMAL_AXIS) " with your CORE system.");
   #endif
 #endif
 

Marlin/src/inc/Version.h

@@ -25,7 +25,7 @@
  * Release version. Leave the Marlin version or apply a custom scheme.
  */
 #ifndef SHORT_BUILD_VERSION
-  #define SHORT_BUILD_VERSION "2.0.5"
+  #define SHORT_BUILD_VERSION "2.0.5.2"
 #endif
 
 /**
@@ -42,7 +42,7 @@
  * version was tagged.
  */
 #ifndef STRING_DISTRIBUTION_DATE
-  #define STRING_DISTRIBUTION_DATE "2020-03-14"
+  #define STRING_DISTRIBUTION_DATE "2020-03-24"
 #endif
 
 /**

Marlin/src/lcd/dogm/status_screen_DOGM.cpp

@@ -448,10 +448,10 @@ void MarlinUI::draw_status_screen() {
         #endif
       }
 
+      constexpr bool can_show_days = DISABLED(DOGM_SD_PERCENT) || ENABLED(ROTATE_PROGRESS_DISPLAY);
       if (ev != lastElapsed) {
         lastElapsed = ev;
-        const bool has_days = (elapsed.value >= 60*60*24L);
-        const uint8_t len = elapsed.toDigital(elapsed_string, has_days);
+        const uint8_t len = elapsed.toDigital(elapsed_string, can_show_days && elapsed.value >= 60*60*24L);
         elapsed_x_pos = _SD_INFO_X(len);
 
         #if ENABLED(SHOW_REMAINING_TIME)
@@ -468,8 +468,7 @@ void MarlinUI::draw_status_screen() {
             }
             else {
               duration_t estimation = timeval;
-              const bool has_days = (estimation.value >= 60*60*24L);
-              const uint8_t len = estimation.toDigital(estimation_string, has_days);
+              const uint8_t len = estimation.toDigital(estimation_string, can_show_days && estimation.value >= 60*60*24L);
               estimation_x_pos = _SD_INFO_X(len
                 #if !BOTH(DOGM_SD_PERCENT, ROTATE_PROGRESS_DISPLAY)
                   + 1

Marlin/src/lcd/dogm/u8g_dev_uc1701_mini12864_HAL.cpp

@@ -118,7 +118,7 @@ static const uint8_t u8g_dev_uc1701_mini12864_HAL_init_seq[] PROGMEM = {
 static const uint8_t u8g_dev_uc1701_mini12864_HAL_data_start[] PROGMEM = {
   U8G_ESC_ADR(0),             // instruction mode
   U8G_ESC_CS(1),              // enable chip
-  #if EITHER(MKS_MINI_12864, ENDER2_STOCKDISPLAY)
+  #if ANY(MKS_MINI_12864, ENDER2_STOCKDISPLAY, FYSETC_MINI_12864)
     UC1701_START_LINE(0),     // set display start line to 0
     UC1701_ADC_REVERSE(0),    // ADC set to reverse
     UC1701_OUT_MODE(1),       // common output mode

Marlin/src/lcd/extui/lib/dgus/DGUSDisplay.cpp

@@ -30,10 +30,6 @@
   #error "More than 2 hotends not implemented on the Display UI design."
 #endif
 
-#include "DGUSDisplay.h"
-#include "DGUSVPVariable.h"
-#include "DGUSDisplayDef.h"
-
 #include "../../ui_api.h"
 
 #include "../../../../MarlinCore.h"
@@ -48,6 +44,10 @@
   #include "../../../../feature/powerloss.h"
 #endif
 
+#include "DGUSDisplay.h"
+#include "DGUSVPVariable.h"
+#include "DGUSDisplayDef.h"
+
 // Preamble... 2 Bytes, usually 0x5A 0xA5, but configurable
 constexpr uint8_t DGUS_HEADER1 = 0x5A;
 constexpr uint8_t DGUS_HEADER2 = 0xA5;
@@ -855,7 +855,7 @@ void DGUSScreenVariableHandler::HandleStepPerMMExtruderChanged(DGUS_VP_Variable
 void DGUSScreenVariableHandler::HandleProbeOffsetZChanged(DGUS_VP_Variable &var, void *val_ptr) {
   DEBUG_ECHOLNPGM("HandleProbeOffsetZChanged");
 
-  const float offset = float(swap16(*(uint16_t*)val_ptr)) / 100.0f;
+  const float offset = float(int16_t(swap16(*(uint16_t*)val_ptr))) / 100.0f;
   ExtUI::setZOffset_mm(offset);
   ScreenHandler.skipVP = var.VP; // don't overwrite value the next update time as the display might autoincrement in parallel
   return;

Marlin/src/lcd/extui/lib/dgus/hiprecy/DGUSDisplayDef.cpp

@@ -283,6 +283,13 @@ const uint16_t VPList_FLCPrinting[] PROGMEM = {
   0x0000
 };
 
+const uint16_t VPList_Z_Offset[] PROGMEM = {
+  #if HOTENDS >= 1
+    VP_SD_Print_ProbeOffsetZ,
+  #endif
+  0x0000
+};
+
 const struct VPMapping VPMap[] PROGMEM = {
   { DGUSLCD_SCREEN_BOOT, VPList_Boot },
   { DGUSLCD_SCREEN_MAIN, VPList_Main },
@@ -291,6 +298,7 @@ const struct VPMapping VPMap[] PROGMEM = {
   { DGUSLCD_SCREEN_STATUS2, VPList_Status2 },
   { DGUSLCD_SCREEN_PREHEAT, VPList_Preheat },
   { DGUSLCD_SCREEN_MANUALMOVE, VPList_ManualMove },
+  { DGUSLCD_SCREEN_Z_OFFSET, VPList_Z_Offset },
   { DGUSLCD_SCREEN_MANUALEXTRUDE, VPList_ManualExtrude },
   { DGUSLCD_SCREEN_FILAMENT_HEATING, VPList_Filament_heating },
   { DGUSLCD_SCREEN_FILAMENT_LOADING, VPList_Filament_load_unload },
@@ -361,7 +369,7 @@ const struct DGUS_VP_Variable ListOfVP[] PROGMEM = {
   #if HOTENDS >= 1
     VPHELPER(VP_T_E0_Is, &thermalManager.temp_hotend[0].celsius, nullptr, DGUSScreenVariableHandler::DGUSLCD_SendFloatAsLongValueToDisplay<0>),
     VPHELPER(VP_T_E0_Set, &thermalManager.temp_hotend[0].target, DGUSScreenVariableHandler::HandleTemperatureChanged, &DGUSScreenVariableHandler::DGUSLCD_SendWordValueToDisplay),
-    VPHELPER(VP_Flowrate_E0, nullptr, DGUSScreenVariableHandler::HandleFlowRateChanged, &DGUSScreenVariableHandler::DGUSLCD_SendWordValueToDisplay),
+    VPHELPER(VP_Flowrate_E0, &planner.flow_percentage[ExtUI::extruder_t::E0], DGUSScreenVariableHandler::HandleFlowRateChanged, &DGUSScreenVariableHandler::DGUSLCD_SendWordValueToDisplay),
     VPHELPER(VP_EPos, &destination.e, nullptr, DGUSScreenVariableHandler::DGUSLCD_SendFloatAsLongValueToDisplay<2>),
     VPHELPER(VP_MOVE_E0, nullptr, &DGUSScreenVariableHandler::HandleManualExtrude, nullptr),
     VPHELPER(VP_E0_CONTROL, &thermalManager.temp_hotend[0].target, &DGUSScreenVariableHandler::HandleHeaterControl, nullptr),

Marlin/src/lcd/extui/lib/dgus/hiprecy/DGUSDisplayDef.h

@@ -35,6 +35,7 @@ enum DGUSLCD_Screens : uint8_t {
   DGUSLCD_SCREEN_FILAMENT_LOADING     =  76,
   DGUSLCD_SCREEN_FILAMENT_UNLOADING   =  82,
   DGUSLCD_SCREEN_MANUALEXTRUDE        =  84,
+  DGUSLCD_SCREEN_Z_OFFSET             =  88,
   DGUSLCD_SCREEN_SDFILELIST           =   3,
   DGUSLCD_SCREEN_SDPRINTMANIPULATION  =   7,
   DGUSLCD_SCREEN_SDPRINTTUNE          =   9,

Marlin/src/lcd/language/language_de.h

@@ -236,6 +236,11 @@ namespace Language_de {
   PROGMEM Language_Str MSG_FAN_SPEED_N                     = _UxGT("Lüfter ~");
   PROGMEM Language_Str MSG_EXTRA_FAN_SPEED                 = _UxGT("Geschw. Extralüfter");
   PROGMEM Language_Str MSG_EXTRA_FAN_SPEED_N               = _UxGT("Geschw. Extralüfter ~");
+  PROGMEM Language_Str MSG_CONTROLLER_FAN                  = _UxGT("Lüfter Kontroller");
+  PROGMEM Language_Str MSG_CONTROLLER_FAN_IDLE_SPEED       = _UxGT("Lüfter Leerlauf");
+  PROGMEM Language_Str MSG_CONTROLLER_FAN_AUTO_ON          = _UxGT("Motorlast Modus");
+  PROGMEM Language_Str MSG_CONTROLLER_FAN_SPEED            = _UxGT("Lüfter Motorlast");
+  PROGMEM Language_Str MSG_CONTROLLER_FAN_DURATION         = _UxGT("Ausschalt Delay");
   PROGMEM Language_Str MSG_FLOW                            = _UxGT("Flussrate");
   PROGMEM Language_Str MSG_FLOW_N                          = _UxGT("Flussrate ~");
   PROGMEM Language_Str MSG_CONTROL                         = _UxGT("Einstellungen");

Marlin/src/lcd/language/language_en.h

@@ -247,6 +247,11 @@ namespace Language_en {
   PROGMEM Language_Str MSG_STORED_FAN_N                    = _UxGT("Stored Fan ~");
   PROGMEM Language_Str MSG_EXTRA_FAN_SPEED                 = _UxGT("Extra Fan Speed");
   PROGMEM Language_Str MSG_EXTRA_FAN_SPEED_N               = _UxGT("Extra Fan Speed ~");
+  PROGMEM Language_Str MSG_CONTROLLER_FAN                  = _UxGT("Controller Fan");
+  PROGMEM Language_Str MSG_CONTROLLER_FAN_IDLE_SPEED       = _UxGT("Idle Speed");
+  PROGMEM Language_Str MSG_CONTROLLER_FAN_AUTO_ON          = _UxGT("Auto Mode");
+  PROGMEM Language_Str MSG_CONTROLLER_FAN_SPEED            = _UxGT("Active Speed");
+  PROGMEM Language_Str MSG_CONTROLLER_FAN_DURATION         = _UxGT("Idle Period");
   PROGMEM Language_Str MSG_FLOW                            = _UxGT("Flow");
   PROGMEM Language_Str MSG_FLOW_N                          = _UxGT("Flow ~");
   PROGMEM Language_Str MSG_CONTROL                         = _UxGT("Control");

Marlin/src/lcd/language/language_tr.h

@@ -606,4 +606,3 @@ namespace Language_tr {
   #define MSG_FIRST_FAN_SPEED       MSG_FAN_SPEED_N
   #define MSG_FIRST_EXTRA_FAN_SPEED MSG_EXTRA_FAN_SPEED_N
 #endif
- 

Marlin/src/lcd/menu/menu.cpp

@@ -193,7 +193,7 @@ DEFINE_MENU_EDIT_ITEM(uint16_3);    // 123        right-justified
 DEFINE_MENU_EDIT_ITEM(uint16_4);    // 1234       right-justified
 DEFINE_MENU_EDIT_ITEM(uint16_5);    // 12345      right-justified
 DEFINE_MENU_EDIT_ITEM(float3);      // 123        right-justified
-DEFINE_MENU_EDIT_ITEM(float52);     // _2.34, 12.34, -2.34 or 123.45, -23.45
+DEFINE_MENU_EDIT_ITEM(float42_52);  // _2.34, 12.34, -2.34 or 123.45, -23.45
 DEFINE_MENU_EDIT_ITEM(float43);     // 1.234
 DEFINE_MENU_EDIT_ITEM(float5);      // 12345      right-justified
 DEFINE_MENU_EDIT_ITEM(float5_25);   // 12345      right-justified (25 increment)
@@ -428,7 +428,7 @@ void scroll_screen(const uint8_t limit, const bool is_menu) {
           MenuEditItemBase::draw_edit_screen(GET_TEXT(MSG_HOTEND_OFFSET_Z), ftostr54sign(hotend_offset[active_extruder].z));
       #endif
       if (do_probe) {
-        MenuEditItemBase::draw_edit_screen(GET_TEXT(MSG_ZPROBE_ZOFFSET), ftostr52sign(probe.offset.z));
+        MenuEditItemBase::draw_edit_screen(GET_TEXT(MSG_ZPROBE_ZOFFSET), BABYSTEP_TO_STR(probe.offset.z));
         #if ENABLED(BABYSTEP_ZPROBE_GFX_OVERLAY)
           _lcd_zoffset_overlay_gfx(probe.offset.z);
         #endif

Marlin/src/lcd/menu/menu.h

@@ -47,14 +47,18 @@ typedef void (*selectFunc_t)();
   void _lcd_zoffset_overlay_gfx(const float zvalue);
 #endif
 
-#if Z_PROBE_OFFSET_RANGE_MIN >= -9 && Z_PROBE_OFFSET_RANGE_MAX <= 9
-  // Only values from -9.999 to 9.999
-  #define LCD_Z_OFFSET_FUNC(N) ftostr54sign(N)
-  #define LCD_Z_OFFSET_TYPE float43
-#else
-  // Values from -99.99 to 99.99
-  #define LCD_Z_OFFSET_FUNC(N) ftostr52sign(N)
-  #define LCD_Z_OFFSET_TYPE float52
+#if HAS_BED_PROBE
+  #if Z_PROBE_OFFSET_RANGE_MIN >= -9 && Z_PROBE_OFFSET_RANGE_MAX <= 9
+    #define LCD_Z_OFFSET_TYPE float43    // Values from -9.000 to +9.000
+  #else
+    #define LCD_Z_OFFSET_TYPE float42_52 // Values from -99.99 to 99.99
+  #endif
+#endif
+
+#if ENABLED(BABYSTEP_ZPROBE_OFFSET) && Z_PROBE_OFFSET_RANGE_MIN >= -9 && Z_PROBE_OFFSET_RANGE_MAX <= 9
+  #define BABYSTEP_TO_STR(N) ftostr43sign(N)
+#elif ENABLED(BABYSTEPPING)
+  #define BABYSTEP_TO_STR(N) ftostr53sign(N)
 #endif
 
 ////////////////////////////////////////////
@@ -289,7 +293,7 @@ DEFINE_MENU_EDIT_ITEM_TYPE(uint16_3    ,uint16_t ,ui16tostr3rj    ,   1     );
 DEFINE_MENU_EDIT_ITEM_TYPE(uint16_4    ,uint16_t ,ui16tostr4rj    ,   0.1f  );   // 1234       right-justified
 DEFINE_MENU_EDIT_ITEM_TYPE(uint16_5    ,uint16_t ,ui16tostr5rj    ,   0.01f );   // 12345      right-justified
 DEFINE_MENU_EDIT_ITEM_TYPE(float3      ,float    ,ftostr3         ,   1     );   // 123        right-justified
-DEFINE_MENU_EDIT_ITEM_TYPE(float52     ,float    ,ftostr42_52     , 100     );   // _2.34, 12.34, -2.34 or 123.45, -23.45
+DEFINE_MENU_EDIT_ITEM_TYPE(float42_52  ,float    ,ftostr42_52     , 100     );   // _2.34, 12.34, -2.34 or 123.45, -23.45
 DEFINE_MENU_EDIT_ITEM_TYPE(float43     ,float    ,ftostr43sign    ,1000     );   // -1.234, _1.234, +1.234
 DEFINE_MENU_EDIT_ITEM_TYPE(float5      ,float    ,ftostr5rj       ,   1     );   // 12345      right-justified
 DEFINE_MENU_EDIT_ITEM_TYPE(float5_25   ,float    ,ftostr5rj       ,   0.04f );   // 12345      right-justified (25 increment)

Marlin/src/lcd/menu/menu_advanced.cpp

@@ -112,10 +112,10 @@ void menu_cancelobject();
 
     #if ENABLED(LIN_ADVANCE)
       #if EXTRUDERS == 1
-        EDIT_ITEM(float52, MSG_ADVANCE_K, &planner.extruder_advance_K[0], 0, 999);
+        EDIT_ITEM(float42_52, MSG_ADVANCE_K, &planner.extruder_advance_K[0], 0, 999);
       #elif EXTRUDERS > 1
         LOOP_L_N(n, EXTRUDERS)
-          EDIT_ITEM_N(float52, n, MSG_ADVANCE_K_E, &planner.extruder_advance_K[n], 0, 999);
+          EDIT_ITEM_N(float42_52, n, MSG_ADVANCE_K_E, &planner.extruder_advance_K[n], 0, 999);
       #endif
     #endif
 
@@ -257,7 +257,7 @@ void menu_cancelobject();
       EDIT_ITEM(bool, MSG_AUTOTEMP, &planner.autotemp_enabled);
       EDIT_ITEM(float3, MSG_MIN, &planner.autotemp_min, 0, float(HEATER_0_MAXTEMP) - 15);
       EDIT_ITEM(float3, MSG_MAX, &planner.autotemp_max, 0, float(HEATER_0_MAXTEMP) - 15);
-      EDIT_ITEM(float52, MSG_FACTOR, &planner.autotemp_factor, 0, 10);
+      EDIT_ITEM(float42_52, MSG_FACTOR, &planner.autotemp_factor, 0, 10);
     #endif
 
     //
@@ -376,12 +376,12 @@ void menu_cancelobject();
     START_MENU();
     BACK_ITEM(MSG_ADVANCED_SETTINGS);
 
-    static float max_accel = _MAX(planner.settings.max_acceleration_mm_per_s2[A_AXIS], planner.settings.max_acceleration_mm_per_s2[B_AXIS], planner.settings.max_acceleration_mm_per_s2[C_AXIS]);
+    const float max_accel = _MAX(planner.settings.max_acceleration_mm_per_s2[A_AXIS], planner.settings.max_acceleration_mm_per_s2[B_AXIS], planner.settings.max_acceleration_mm_per_s2[C_AXIS]);
     // M204 P Acceleration
     EDIT_ITEM_FAST(float5_25, MSG_ACC, &planner.settings.acceleration, 25, max_accel);
 
     // M204 R Retract Acceleration
-    EDIT_ITEM_FAST(float5, MSG_A_RETRACT, &planner.settings.retract_acceleration, 100, max_accel);
+    EDIT_ITEM_FAST(float5, MSG_A_RETRACT, &planner.settings.retract_acceleration, 100, planner.settings.max_acceleration_mm_per_s2[E_AXIS_N(active_extruder)]);
 
     // M204 T Travel Acceleration
     EDIT_ITEM_FAST(float5_25, MSG_A_TRAVEL, &planner.settings.travel_acceleration, 25, max_accel);
@@ -556,10 +556,10 @@ void menu_advanced_settings() {
     SUBMENU(MSG_FILAMENT, menu_advanced_filament);
   #elif ENABLED(LIN_ADVANCE)
     #if EXTRUDERS == 1
-      EDIT_ITEM(float52, MSG_ADVANCE_K, &planner.extruder_advance_K[0], 0, 999);
+      EDIT_ITEM(float42_52, MSG_ADVANCE_K, &planner.extruder_advance_K[0], 0, 999);
     #elif EXTRUDERS > 1
       LOOP_L_N(n, E_STEPPERS)
-        EDIT_ITEM_N(float52, n, MSG_ADVANCE_K_E, &planner.extruder_advance_K[n], 0, 999);
+        EDIT_ITEM_N(float42_52, n, MSG_ADVANCE_K_E, &planner.extruder_advance_K[n], 0, 999);
     #endif
   #endif
 

Marlin/src/lcd/menu/menu_configuration.cpp

@@ -138,12 +138,12 @@ void menu_advanced_settings();
     START_MENU();
     BACK_ITEM(MSG_CONFIGURATION);
     #if ENABLED(DUAL_X_CARRIAGE)
-      EDIT_ITEM_FAST(float51, MSG_HOTEND_OFFSET_X, &hotend_offset[1].x, float(X2_HOME_POS - 25), float(X2_HOME_POS + 25), _recalc_offsets);
+      EDIT_ITEM_FAST(float42_52, MSG_HOTEND_OFFSET_X, &hotend_offset[1].x, float(X2_HOME_POS - 25), float(X2_HOME_POS + 25), _recalc_offsets);
     #else
-      EDIT_ITEM_FAST(float41sign, MSG_HOTEND_OFFSET_X, &hotend_offset[1].x, -99.0, 99.0, _recalc_offsets);
+      EDIT_ITEM_FAST(float42_52, MSG_HOTEND_OFFSET_X, &hotend_offset[1].x, -99.0, 99.0, _recalc_offsets);
     #endif
-    EDIT_ITEM_FAST(float41sign, MSG_HOTEND_OFFSET_Y, &hotend_offset[1].y, -99.0, 99.0, _recalc_offsets);
-    EDIT_ITEM_FAST(float41sign, MSG_HOTEND_OFFSET_Z, &hotend_offset[1].z, Z_PROBE_LOW_POINT, 10.0, _recalc_offsets);
+    EDIT_ITEM_FAST(float42_52, MSG_HOTEND_OFFSET_Y, &hotend_offset[1].y, -99.0, 99.0, _recalc_offsets);
+    EDIT_ITEM_FAST(float42_52, MSG_HOTEND_OFFSET_Z, &hotend_offset[1].z, Z_PROBE_LOW_POINT, 10.0, _recalc_offsets);
     #if ENABLED(EEPROM_SETTINGS)
       ACTION_ITEM(MSG_STORE_EEPROM, lcd_store_settings);
     #endif
@@ -227,6 +227,24 @@ void menu_advanced_settings();
   }
 #endif
 
+#if ENABLED(CONTROLLER_FAN_MENU)
+
+  #include "../../feature/controllerfan.h"
+
+  void menu_controller_fan() {
+    START_MENU();
+    BACK_ITEM(MSG_CONFIGURATION);
+    EDIT_ITEM_FAST(percent, MSG_CONTROLLER_FAN_IDLE_SPEED, &controllerFan.settings.idle_speed, _MAX(1, CONTROLLERFAN_SPEED_MIN) - 1, 255);
+    EDIT_ITEM(bool, MSG_CONTROLLER_FAN_AUTO_ON, &controllerFan.settings.auto_mode);
+    if (controllerFan.settings.auto_mode) {
+      EDIT_ITEM_FAST(percent, MSG_CONTROLLER_FAN_SPEED, &controllerFan.settings.active_speed, _MAX(1, CONTROLLERFAN_SPEED_MIN) - 1, 255);
+      EDIT_ITEM(uint16_4, MSG_CONTROLLER_FAN_DURATION, &controllerFan.settings.duration, 0, 4800);
+    }
+    END_MENU();
+  }
+
+#endif
+
 #if ENABLED(CASE_LIGHT_MENU)
 
   #include "../../feature/caselight.h"
@@ -320,6 +338,13 @@ void menu_configuration() {
     EDIT_ITEM(LCD_Z_OFFSET_TYPE, MSG_ZPROBE_ZOFFSET, &probe.offset.z, Z_PROBE_OFFSET_RANGE_MIN, Z_PROBE_OFFSET_RANGE_MAX);
   #endif
 
+  //
+  // Set Fan Controller speed
+  //
+  #if ENABLED(CONTROLLER_FAN_MENU)
+    SUBMENU(MSG_CONTROLLER_FAN, menu_controller_fan);
+  #endif
+
   const bool busy = printer_busy();
   if (!busy) {
     #if EITHER(DELTA_CALIBRATION_MENU, DELTA_AUTO_CALIBRATION)

Marlin/src/lcd/menu/menu_delta_calibrate.cpp

@@ -103,7 +103,7 @@ void _man_probe_pt(const xy_pos_t &xy) {
 #endif
 
 void lcd_delta_settings() {
-  auto _recalc_delta_settings = []() {
+  auto _recalc_delta_settings = []{
     #if HAS_LEVELING
       reset_bed_level(); // After changing kinematics bed-level data is no longer valid
     #endif

Marlin/src/lcd/menu/menu_mixer.cpp

@@ -182,7 +182,7 @@ void lcd_mixer_mix_edit() {
     #if CHANNEL_MIX_EDITING
 
       LOOP_S_LE_N(n, 1, MIXING_STEPPERS)
-        EDIT_ITEM_FAST_N(float52, n, MSG_MIX_COMPONENT_N, &mixer.collector[n-1], 0, 10);
+        EDIT_ITEM_FAST_N(float42_52, n, MSG_MIX_COMPONENT_N, &mixer.collector[n-1], 0, 10);
 
       ACTION_ITEM(MSG_CYCLE_MIX, _lcd_mixer_cycle_mix);
       ACTION_ITEM(MSG_COMMIT_VTOOL, _lcd_mixer_commit_vtool);

Marlin/src/lcd/menu/menu_tune.cpp

@@ -65,7 +65,7 @@
     }
     if (ui.should_draw()) {
       const float spm = planner.steps_to_mm[axis];
-      MenuEditItemBase::draw_edit_screen(msg, LCD_Z_OFFSET_FUNC(spm * babystep.accum));
+      MenuEditItemBase::draw_edit_screen(msg, BABYSTEP_TO_STR(spm * babystep.accum));
       #if ENABLED(BABYSTEP_DISPLAY_TOTAL)
         const bool in_view = (true
           #if HAS_GRAPHICAL_LCD
@@ -81,7 +81,7 @@
           #endif
           lcd_put_u8str_P(GET_TEXT(MSG_BABYSTEP_TOTAL));
           lcd_put_wchar(':');
-          lcd_put_u8str(LCD_Z_OFFSET_FUNC(spm * babystep.axis_total[BS_TOTAL_IND(axis)]));
+          lcd_put_u8str(BABYSTEP_TO_STR(spm * babystep.axis_total[BS_TOTAL_IND(axis)]));
         }
       #endif
     }
@@ -232,10 +232,10 @@ void menu_tune() {
   //
   #if ENABLED(LIN_ADVANCE) && DISABLED(SLIM_LCD_MENUS)
     #if EXTRUDERS == 1
-      EDIT_ITEM(float52, MSG_ADVANCE_K, &planner.extruder_advance_K[0], 0, 999);
+      EDIT_ITEM(float42_52, MSG_ADVANCE_K, &planner.extruder_advance_K[0], 0, 999);
     #elif EXTRUDERS > 1
       LOOP_L_N(n, EXTRUDERS)
-        EDIT_ITEM_N(float52, n, MSG_ADVANCE_K_E, &planner.extruder_advance_K[n], 0, 999);
+        EDIT_ITEM_N(float42_52, n, MSG_ADVANCE_K_E, &planner.extruder_advance_K[n], 0, 999);
     #endif
   #endif
 

Marlin/src/lcd/ultralcd.cpp

@@ -227,7 +227,7 @@ millis_t MarlinUI::next_button_update_ms; // = 0
     SETCURSOR(col, row);
     if (!string) return;
 
-    auto _newline = [&col, &row]() {
+    auto _newline = [&col, &row]{
       col = 0; row++;                 // Move col to string len (plus space)
       SETCURSOR(0, row);              // Simulate carriage return
     };

Marlin/src/libs/numtostr.cpp

@@ -174,9 +174,9 @@ const char* ftostr12ns(const float &f) {
   return &conv[3];
 }
 
-// Convert signed float to fixed-length string with 12.34 / -2.34 or 023.45 / -23.45 format
+// Convert signed float to fixed-length string with 12.34 / _2.34 / -2.34 or -23.45 / 123.45 format
 const char* ftostr42_52(const float &f) {
-  if (f <= -10 || f >= 100) return ftostr52(f); // need more digits
+  if (f <= -10 || f >= 100) return ftostr52(f); // -23.45 / 123.45
   long i = (f * 1000 + (f < 0 ? -5: 5)) / 10;
   conv[2] = (f >= 0 && f < 10) ? ' ' : MINUSOR(i, DIGIMOD(i, 1000));
   conv[3] = DIGIMOD(i, 100);
@@ -198,9 +198,9 @@ const char* ftostr52(const float &f) {
   return &conv[1];
 }
 
-// Convert signed float to fixed-length string with 12.345 / -2.345 or 023.456 / -23.456 format
-const char* ftostr43_53(const float &f) {
-  if (f <= -10 || f >= 100) return ftostr53(f); // need more digits
+// Convert signed float to fixed-length string with 12.345 / _2.345 / -2.345 or -23.45 / 123.45 format
+const char* ftostr53_63(const float &f) {
+  if (f <= -10 || f >= 100) return ftostr63(f); // -23.456 / 123.456
   long i = (f * 10000 + (f < 0 ? -5: 5)) / 10;
   conv[1] = (f >= 0 && f < 10) ? ' ' : MINUSOR(i, DIGIMOD(i, 10000));
   conv[2] = DIGIMOD(i, 1000);
@@ -212,7 +212,7 @@ const char* ftostr43_53(const float &f) {
 }
 
 // Convert signed float to fixed-length string with 023.456 / -23.456 format
-const char* ftostr53(const float &f) {
+const char* ftostr63(const float &f) {
   long i = (f * 10000 + (f < 0 ? -5: 5)) / 10;
   conv[0] = MINUSOR(i, DIGIMOD(i, 100000));
   conv[1] = DIGIMOD(i, 10000);
@@ -310,6 +310,19 @@ const char* ftostr52sign(const float &f) {
   return conv;
 }
 
+// Convert signed float to string with +12.345 format
+const char* ftostr53sign(const float &f) {
+  long i = (f * 1000 + (f < 0 ? -5: 5)) / 10;
+  conv[0] = MINUSOR(i, '+');
+  conv[1] = DIGIMOD(i, 10000);
+  conv[2] = DIGIMOD(i, 1000);
+  conv[3] = '.';
+  conv[4] = DIGIMOD(i, 100);
+  conv[5] = DIGIMOD(i, 10);
+  conv[6] = DIGIMOD(i, 1);
+  return conv;
+}
+
 // Convert unsigned float to string with ____4.5, __34.5, _234.5, 1234.5 format
 const char* ftostr51rj(const float &f) {
   const long i = ((f < 0 ? -f : f) * 100 + 5) / 10;

Marlin/src/libs/numtostr.h

@@ -58,17 +58,17 @@ const char* i16tostr4signrj(const int16_t x);
 // Convert unsigned float to string with 1.23 format
 const char* ftostr12ns(const float &x);
 
-// Convert signed float to fixed-length string with 12.34 / -2.34 or 023.45 / -23.45 format
+// Convert signed float to fixed-length string with 12.34 / _2.34 / -2.34 or -23.45 / 123.45 format
 const char* ftostr42_52(const float &x);
 
 // Convert signed float to fixed-length string with 023.45 / -23.45 format
 const char* ftostr52(const float &x);
 
 // Convert signed float to fixed-length string with 12.345 / -2.345 or 023.456 / -23.456 format
-const char* ftostr43_53(const float &x);
+const char* ftostr53_63(const float &x);
 
 // Convert signed float to fixed-length string with 023.456 / -23.456 format
-const char* ftostr53(const float &x);
+const char* ftostr63(const float &x);
 
 // Convert float to fixed-length string with +123.4 / -123.4 format
 const char* ftostr41sign(const float &x);
@@ -91,6 +91,9 @@ const char* ftostr52sp(const float &x);
 // Convert signed float to string with +123.45 format
 const char* ftostr52sign(const float &x);
 
+// Convert signed float to string with +12.345 format
+const char* ftostr53sign(const float &f);
+
 // Convert unsigned float to string with 1234.5 format omitting trailing zeros
 const char* ftostr51rj(const float &x);
 

Marlin/src/module/configuration_store.cpp

@@ -122,6 +122,11 @@
   #include "../feature/probe_temp_comp.h"
 #endif
 
+#include "../feature/controllerfan.h"
+#if ENABLED(CONTROLLER_FAN_EDITABLE)
+  void M710_report(const bool forReplay);
+#endif
+
 #pragma pack(push, 1) // No padding between variables
 
 typedef struct { uint16_t X, Y, Z, X2, Y2, Z2, Z3, Z4, E0, E1, E2, E3, E4, E5; } tmc_stepper_current_t;
@@ -292,6 +297,11 @@ typedef struct SettingsDataStruct {
   //
   int16_t lcd_contrast;                                 // M250 C
 
+  //
+  // Controller fan settings
+  //
+  controllerFan_settings_t controllerFan_settings;      // M710
+
   //
   // POWER_LOSS_RECOVERY
   //
@@ -880,6 +890,19 @@ void MarlinSettings::postprocess() {
       EEPROM_WRITE(lcd_contrast);
     }
 
+    //
+    // Controller Fan
+    //
+    {
+      _FIELD_TEST(controllerFan_settings);
+      #if ENABLED(USE_CONTROLLER_FAN)
+        const controllerFan_settings_t &cfs = controllerFan.settings;
+      #else
+        controllerFan_settings_t cfs = controllerFan_defaults;
+      #endif
+      EEPROM_WRITE(cfs);
+    }
+
     //
     // Power-Loss Recovery
     //
@@ -1531,10 +1554,10 @@ void MarlinSettings::postprocess() {
         _FIELD_TEST(planner_leveling_active);
         #if ENABLED(AUTO_BED_LEVELING_UBL)
           const bool &planner_leveling_active = planner.leveling_active;
-          const uint8_t &ubl_storage_slot = ubl.storage_slot;
+          const int8_t &ubl_storage_slot = ubl.storage_slot;
         #else
           bool planner_leveling_active;
-          uint8_t ubl_storage_slot;
+          int8_t ubl_storage_slot;
         #endif
         EEPROM_READ(planner_leveling_active);
         EEPROM_READ(ubl_storage_slot);
@@ -1719,6 +1742,19 @@ void MarlinSettings::postprocess() {
         #endif
       }
 
+      //
+      // Controller Fan
+      //
+      {
+        _FIELD_TEST(controllerFan_settings);
+        #if ENABLED(CONTROLLER_FAN_EDITABLE)
+          const controllerFan_settings_t &cfs = controllerFan.settings;
+        #else
+          controllerFan_settings_t cfs = { 0 };
+        #endif
+        EEPROM_READ(cfs);
+      }
+
       //
       // Power-Loss Recovery
       //
@@ -2185,8 +2221,10 @@ void MarlinSettings::postprocess() {
     }
 
     #if ENABLED(EEPROM_CHITCHAT) && DISABLED(DISABLE_M503)
-      if (!validating) report();
+      // Report the EEPROM settings
+      if (!validating && (DISABLED(EEPROM_BOOT_SILENT) || IsRunning())) report();
     #endif
+
     EEPROM_FINISH();
 
     return !eeprom_error;
@@ -2588,6 +2626,13 @@ void MarlinSettings::reset() {
     ui.set_contrast(DEFAULT_LCD_CONTRAST);
   #endif
 
+  //
+  // Controller Fan
+  //
+  #if ENABLED(USE_CONTROLLER_FAN)
+    controllerFan.reset();
+  #endif
+
   //
   // Power-Loss Recovery
   //
@@ -3152,6 +3197,10 @@ void MarlinSettings::reset() {
       SERIAL_ECHOLNPAIR("  M250 C", ui.contrast);
     #endif
 
+    #if ENABLED(CONTROLLER_FAN_EDITABLE)
+      M710_report(forReplay);
+    #endif
+
     #if ENABLED(POWER_LOSS_RECOVERY)
       CONFIG_ECHO_HEADING("Power-Loss Recovery:");
       CONFIG_ECHO_START();

Marlin/src/module/motion.cpp

@@ -218,7 +218,6 @@ inline void report_more_positions() {
 inline void report_logical_position(const xyze_pos_t &rpos) {
   const xyze_pos_t lpos = rpos.asLogical();
   SERIAL_ECHOPAIR_P(X_LBL, lpos.x, SP_Y_LBL, lpos.y, SP_Z_LBL, lpos.z, SP_E_LBL, lpos.e);
-  report_more_positions();
 }
 
 // Report the real current position according to the steppers.
@@ -237,10 +236,14 @@ void report_real_position() {
   #endif
 
   report_logical_position(npos);
+  report_more_positions();
 }
 
 // Report the logical current position according to the most recent G-code command
-void report_current_position() { report_logical_position(current_position); }
+void report_current_position() {
+  report_logical_position(current_position);
+  report_more_positions();
+}
 
 /**
  * Report the logical current position according to the most recent G-code command.
@@ -1776,6 +1779,13 @@ void homeaxis(const AxisEnum axis) {
         #endif
         homing_feedrate(axis)
       );
+
+      #if ENABLED(SENSORLESS_HOMING)
+        planner.synchronize();
+        #if IS_CORE
+          if (axis != NORMAL_AXIS) safe_delay(200);  // Short delay to allow belts to spring back
+        #endif
+      #endif
     }
   #endif
 

Marlin/src/module/planner.cpp

@@ -2041,7 +2041,10 @@ bool Planner::_populate_block(block_t * const block, bool split_move,
   #endif
 
   #if ENABLED(SLOWDOWN)
-    if (WITHIN(moves_queued, 2, (BLOCK_BUFFER_SIZE) / 2 - 1)) {
+    #ifndef SLOWDOWN_DIVISOR
+      #define SLOWDOWN_DIVISOR 2
+    #endif
+    if (WITHIN(moves_queued, 2, (BLOCK_BUFFER_SIZE) / (SLOWDOWN_DIVISOR) - 1)) {
       if (segment_time_us < settings.min_segment_time_us) {
         // buffer is draining, add extra time.  The amount of time added increases if the buffer is still emptied more.
         const uint32_t nst = segment_time_us + LROUND(2 * (settings.min_segment_time_us - segment_time_us) / moves_queued);

Marlin/src/module/temperature.cpp

@@ -765,7 +765,7 @@ int16_t Temperature::getHeaterPower(const heater_ind_t heater_id) {
 //
 
 inline void loud_kill(PGM_P const lcd_msg, const heater_ind_t heater) {
-  Running = false;
+  marlin_state = MF_KILLED;
   #if USE_BEEPER
     for (uint8_t i = 20; i--;) {
       WRITE(BEEPER_PIN, HIGH); delay(25);
@@ -2003,7 +2003,7 @@ void Temperature::init() {
 
     /**
       SERIAL_ECHO_START();
-      SERIAL_ECHOPGM("Thermal Thermal Runaway Running. Heater ID: ");
+      SERIAL_ECHOPGM("Thermal Runaway Running. Heater ID: ");
       if (heater_id == H_CHAMBER) SERIAL_ECHOPGM("chamber");
       if (heater_id < 0) SERIAL_ECHOPGM("bed"); else SERIAL_ECHO(heater_id);
       SERIAL_ECHOPAIR(" ;  State:", sm.state, " ;  Timer:", sm.timer, " ;  Temperature:", current, " ;  Target Temp:", target);

Marlin/src/module/thermistor/thermistor_202.h

@@ -0,0 +1,69 @@
+//
+// Unknown 200K thermistor on a Copymaster 3D hotend
+// Temptable sent from dealer technologyoutlet.co.uk
+//
+
+const short temptable_202[][2] PROGMEM = {
+  { OV(   1), 864 },
+  { OV(  35), 300 },
+  { OV(  38), 295 },
+  { OV(  41), 290 },
+  { OV(  44), 285 },
+  { OV(  47), 280 },
+  { OV(  51), 275 },
+  { OV(  55), 270 },
+  { OV(  60), 265 },
+  { OV(  65), 260 },
+  { OV(  70), 255 },
+  { OV(  76), 250 },
+  { OV(  83), 245 },
+  { OV(  90), 240 },
+  { OV(  98), 235 },
+  { OV( 107), 230 },
+  { OV( 116), 225 },
+  { OV( 127), 220 },
+  { OV( 138), 215 },
+  { OV( 151), 210 },
+  { OV( 164), 205 },
+  { OV( 179), 200 },
+  { OV( 195), 195 },
+  { OV( 213), 190 },
+  { OV( 232), 185 },
+  { OV( 253), 180 },
+  { OV( 275), 175 },
+  { OV( 299), 170 },
+  { OV( 325), 165 },
+  { OV( 352), 160 },
+  { OV( 381), 155 },
+  { OV( 411), 150 },
+  { OV( 443), 145 },
+  { OV( 476), 140 },
+  { OV( 511), 135 },
+  { OV( 546), 130 },
+  { OV( 581), 125 },
+  { OV( 617), 120 },
+  { OV( 652), 115 },
+  { OV( 687), 110 },
+  { OV( 720), 105 },
+  { OV( 753), 100 },
+  { OV( 783),  95 },
+  { OV( 812),  90 },
+  { OV( 839),  85 },
+  { OV( 864),  80 },
+  { OV( 886),  75 },
+  { OV( 906),  70 },
+  { OV( 924),  65 },
+  { OV( 940),  60 },
+  { OV( 954),  55 },
+  { OV( 966),  50 },
+  { OV( 976),  45 },
+  { OV( 985),  40 },
+  { OV( 992),  35 },
+  { OV( 998),  30 },
+  { OV(1003),  25 },
+  { OV(1007),  20 },
+  { OV(1011),  15 },
+  { OV(1014),  10 },
+  { OV(1016),   5 },
+  { OV(1018),   0 }
+};

Marlin/src/module/thermistor/thermistors.h

@@ -151,6 +151,9 @@
 #if ANY_THERMISTOR_IS(201) // Pt100 with LMV324 Overlord
   #include "thermistor_201.h"
 #endif
+#if ANY_THERMISTOR_IS(202) // 200K thermistor in Copymaker3D hotend
+  #include "thermistor_202.h"
+#endif
 #if ANY_THERMISTOR_IS(331) // Like table 1, but with 3V3 as input voltage for MEGA
   #include "thermistor_331.h"
 #endif

Marlin/src/pins/linux/pins_RAMPS_LINUX.h

@@ -271,7 +271,7 @@
   #endif
 #endif
 
-#if HAS_TMC220x
+#if HAS_TMC_UART
   /**
    * TMC2208/TMC2209 stepper drivers
    *

Marlin/src/pins/lpc1768/pins_AZSMZ_MINI.h

@@ -31,6 +31,12 @@
 
 #define BOARD_INFO_NAME "AZSMZ MINI"
 
+//
+// EEPROM
+//
+#define FLASH_EEPROM_EMULATION
+//#define SDCARD_EEPROM_EMULATION
+
 //
 // Servos
 //

Marlin/src/pins/lpc1768/pins_BIQU_B300_V1.0.h

@@ -38,6 +38,12 @@
   #define BOARD_INFO_NAME "BIQU Thunder B300 V1.0"
 #endif
 
+//
+// EEPROM
+//
+#define FLASH_EEPROM_EMULATION
+//#define SDCARD_EEPROM_EMULATION
+
 //
 // Limit Switches
 //

Marlin/src/pins/lpc1768/pins_BIQU_BQ111_A4.h

@@ -36,6 +36,12 @@
 
 #define BOARD_INFO_NAME "BIQU BQ111-A4"
 
+//
+// EEPROM
+//
+#define FLASH_EEPROM_EMULATION
+//#define SDCARD_EEPROM_EMULATION
+
 //
 // Limit Switches
 //
@@ -46,7 +52,6 @@
 #define Z_MIN_PIN                          P1_28  // 10k pullup to 3.3V, 1K series
 #define Z_MAX_PIN                          P1_29  // 10k pullup to 3.3V, 1K series
 
-
 //
 // Steppers
 //
@@ -66,7 +71,6 @@
 #define E0_DIR_PIN                         P0_22
 #define E0_ENABLE_PIN                      P0_21
 
-
 //
 // Temperature Sensors
 //  3.3V max when defined as an analog input
@@ -74,7 +78,6 @@
 #define TEMP_0_PIN                      P0_23_A0  // A0 (T0)
 #define TEMP_BED_PIN                    P0_24_A1  // A1 (T1)
 
-
 //
 // Heaters / Fans
 //
@@ -123,7 +126,6 @@
 
 #endif // HAS_SPI_LCD
 
-
 /**
  * SD Card Reader
  *
@@ -140,7 +142,6 @@
 
 #endif // SDSUPPORT
 
-
 /**
  *  PWMS
  *

Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_1.h

@@ -23,6 +23,12 @@
 
 #define BOARD_INFO_NAME "BIGTREE SKR 1.1"
 
+//
+// EEPROM
+//
+#define FLASH_EEPROM_EMULATION
+//#define SDCARD_EEPROM_EMULATION
+
 //
 // Limit Switches
 //
@@ -166,7 +172,6 @@
       #define E0_ENABLE_PIN                -1
     #endif
 
-
     #if AXIS_DRIVER_TYPE_E1(TMC2130)
       #define E1_CS_PIN                    P0_10
       #undef E1_ENABLE_PIN

Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_3.h

@@ -23,6 +23,12 @@
 
 #define BOARD_INFO_NAME "BIGTREE SKR 1.3"
 
+//
+// EEPROM
+//
+#define FLASH_EEPROM_EMULATION
+//#define SDCARD_EEPROM_EMULATION
+
 /**
  * Trinamic Stallguard pins
  */
@@ -144,7 +150,7 @@
   #endif
 #endif
 
-#if HAS_TMC220x
+#if HAS_TMC_UART
   /**
    * TMC2208/TMC2209 stepper drivers
    *

Marlin/src/pins/lpc1768/pins_BTT_SKR_V1_4.h

@@ -25,6 +25,14 @@
   #define BOARD_INFO_NAME "BIGTREE SKR 1.4"
 #endif
 
+//
+// EEPROM
+//
+#if NONE(FLASH_EEPROM_EMULATION, SDCARD_EEPROM_EMULATION)
+  #define FLASH_EEPROM_EMULATION
+  //#define SDCARD_EEPROM_EMULATION
+#endif
+
 //
 // SD Connection
 //
@@ -88,11 +96,7 @@
 // Z Probe (when not Z_MIN_PIN)
 //
 #ifndef Z_MIN_PROBE_PIN
-  #if Z_STOP_PIN != P1_27
-    #define Z_MIN_PROBE_PIN P1_27
-  #else
   #define Z_MIN_PROBE_PIN                  P0_10
-  #endif
 #endif
 
 //
@@ -171,7 +175,7 @@
   #endif
 #endif
 
-#if HAS_TMC220x
+#if HAS_TMC_UART
   /**
    * TMC2208/TMC2209 stepper drivers
    *

Marlin/src/pins/lpc1768/pins_BTT_SKR_common.h

@@ -32,6 +32,10 @@
 // Ignore temp readings during development.
 //#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
 
+#if DISABLED(SDCARD_EEPROM_EMULATION)
+  #define FLASH_EEPROM_EMULATION
+#endif
+
 //
 // Steppers
 //

Marlin/src/pins/lpc1768/pins_GMARSH_X6_REV1.h

@@ -30,6 +30,12 @@
 // Ignore temp readings during develpment.
 //#define BOGUS_TEMPERATURE_GRACE_PERIOD 2000
 
+//
+// EEPROM
+//
+#define FLASH_EEPROM_EMULATION
+//#define SDCARD_EEPROM_EMULATION
+
 //
 // Enable 12MHz clock output on P1.27 pin to sync TMC2208 chip clocks
 //

Marlin/src/pins/lpc1768/pins_MKS_SBASE.h

@@ -38,6 +38,14 @@
   #define BOARD_WEBSITE_URL "github.com/makerbase-mks/MKS-SBASE"
 #endif
 
+//
+// EEPROM
+//
+#if NONE(FLASH_EEPROM_EMULATION, SDCARD_EEPROM_EMULATION)
+  #define FLASH_EEPROM_EMULATION
+  //#define SDCARD_EEPROM_EMULATION
+#endif
+
 #define LED_PIN                            P1_18  // Used as a status indicator
 #define LED2_PIN                           P1_19
 #define LED3_PIN                           P1_20
@@ -305,7 +313,7 @@
  #endif
 #endif
 
-#if MB(MKS_SBASE) && HAS_TMC220x
+#if MB(MKS_SBASE) && HAS_TMC_UART
 
   /**
    * TMC2208/TMC2209 stepper drivers

Marlin/src/pins/lpc1768/pins_MKS_SGEN_L.h

@@ -32,6 +32,12 @@
 #define BOARD_INFO_NAME   "MKS SGen-L"
 #define BOARD_WEBSITE_URL "github.com/makerbase-mks/MKS-SGEN_L"
 
+//
+// EEPROM
+//
+#define FLASH_EEPROM_EMULATION
+//#define SDCARD_EEPROM_EMULATION
+
 //
 // Servos
 //
@@ -146,7 +152,7 @@
   #endif
 #endif
 
-#if HAS_TMC220x
+#if HAS_TMC_UART
   /**
    * TMC2208/TMC2209 stepper drivers
    *

Marlin/src/pins/lpc1768/pins_RAMPS_RE_ARM.h

@@ -42,6 +42,12 @@
 
 #define BOARD_INFO_NAME "Re-ARM RAMPS 1.4"
 
+//
+// EEPROM
+//
+#define FLASH_EEPROM_EMULATION
+//#define SDCARD_EEPROM_EMULATION
+
 //
 // Servos
 //
@@ -114,7 +120,7 @@
   #endif
 #endif
 
-#if HAS_TMC220x
+#if HAS_TMC_UART
   /**
    * TMC2208/TMC2209 stepper drivers
    *

Marlin/src/pins/lpc1768/pins_SELENA_COMPACT.h

@@ -32,6 +32,12 @@
 #define BOARD_INFO_NAME   "Selena Compact"
 #define BOARD_WEBSITE_URL "github.com/Ales2-k/Selena"
 
+//
+// EEPROM
+//
+#define FLASH_EEPROM_EMULATION
+//#define SDCARD_EEPROM_EMULATION
+
 //
 // Servos
 //
@@ -79,7 +85,6 @@
 #define TEMP_0_PIN                      P0_24_A1  // A1 (TH2)
 #define TEMP_1_PIN                      P0_25_A2  // A2 (TH3)
 
-
 //
 // Heaters / Fans
 //

Marlin/src/pins/lpc1769/pins_AZTEEG_X5_GT.h

@@ -32,6 +32,12 @@
 #define BOARD_INFO_NAME   "Azteeg X5 GT"
 #define BOARD_WEBSITE_URL "tinyurl.com/yx8tdqa3"
 
+//
+// EEPROM
+//
+#define FLASH_EEPROM_EMULATION
+//#define SDCARD_EEPROM_EMULATION
+
 //
 // Servos
 //
@@ -47,7 +53,6 @@
 #define Z_MIN_PIN                          P1_26
 #define Z_MAX_PIN                          P1_29
 
-
 //
 // Steppers
 //
@@ -94,7 +99,6 @@
 #define TEMP_0_PIN                      P0_24_A1  // A1 (TH2)
 #define TEMP_1_PIN                      P0_25_A2  // A2 (TH3)
 
-
 //
 // Heaters / Fans
 //

Marlin/src/pins/lpc1769/pins_AZTEEG_X5_MINI.h

@@ -187,6 +187,14 @@
 
 #endif // HAS_SPI_LCD
 
+//
+// EEPROM
+//
+#if NONE(FLASH_EEPROM_EMULATION, SDCARD_EEPROM_EMULATION)
+  #define FLASH_EEPROM_EMULATION
+  //#define SDCARD_EEPROM_EMULATION
+#endif
+
 //
 // SD Support
 //

Marlin/src/pins/lpc1769/pins_AZTEEG_X5_MINI_WIFI.h

@@ -31,6 +31,12 @@
 
 #define BOARD_INFO_NAME "Azteeg X5 MINI WIFI"
 
+//
+// EEPROM
+//
+#define FLASH_EEPROM_EMULATION
+//#define SDCARD_EEPROM_EMULATION
+
 //
 // DIGIPOT slave addresses
 //

Marlin/src/pins/lpc1769/pins_BTT_SKR_V1_4_TURBO.h

@@ -24,6 +24,12 @@
 #define BOARD_INFO_NAME "BIGTREE SKR 1.4 TURBO"
 #define SKR_HAS_LPC1769
 
+//
+// EEPROM
+//
+#define FLASH_EEPROM_EMULATION
+//#define SDCARD_EEPROM_EMULATION
+
 //
 // Include SKR 1.4 pins
 //

Marlin/src/pins/lpc1769/pins_COHESION3D_MINI.h

@@ -31,6 +31,12 @@
 
 #define BOARD_INFO_NAME "Cohesion3D Mini"
 
+//
+// EEPROM
+//
+#define FLASH_EEPROM_EMULATION
+//#define SDCARD_EEPROM_EMULATION
+
 //
 // Servos
 //

Marlin/src/pins/lpc1769/pins_COHESION3D_REMIX.h

@@ -31,6 +31,12 @@
 
 #define BOARD_INFO_NAME "Cohesion3D ReMix"
 
+//
+// EEPROM
+//
+#define FLASH_EEPROM_EMULATION
+//#define SDCARD_EEPROM_EMULATION
+
 //
 // Servos
 //

Marlin/src/pins/lpc1769/pins_MKS_SGEN.h

@@ -31,8 +31,14 @@
 
 #define BOARD_INFO_NAME   "MKS SGen"
 #define BOARD_WEBSITE_URL "github.com/makerbase-mks/MKS-SGEN"
-#define MKS_HAS_LPC1769
 
+//
+// EEPROM
+//
+#define FLASH_EEPROM_EMULATION
+//#define SDCARD_EEPROM_EMULATION
+
+#define MKS_HAS_LPC1769
 #include "../lpc1768/pins_MKS_SBASE.h"
 
 #undef E1_STEP_PIN
@@ -44,7 +50,7 @@
 //#define BTN_EN1                          P1_23  // EXP2.5
 //#define BTN_EN2                          P1_22  // EXP2.3
 
-#if HAS_TMC220x
+#if HAS_TMC_UART
   /**
    * TMC2208/TMC2209 stepper drivers
    *

Marlin/src/pins/lpc1769/pins_SMOOTHIEBOARD.h

@@ -32,6 +32,12 @@
 #define BOARD_INFO_NAME   "Smoothieboard"
 #define BOARD_WEBSITE_URL "smoothieware.org/smoothieboard"
 
+//
+// EEPROM
+//
+#define FLASH_EEPROM_EMULATION
+//#define SDCARD_EEPROM_EMULATION
+
 //
 // Servos
 //

Marlin/src/pins/lpc1769/pins_TH3D_EZBOARD.h

@@ -32,6 +32,12 @@
 #define BOARD_INFO_NAME   "TH3D EZBoard"
 #define BOARD_WEBSITE_URL "th3dstudio.com"
 
+//
+// EEPROM
+//
+#define FLASH_EEPROM_EMULATION
+//#define SDCARD_EEPROM_EMULATION
+
 //
 // Servos
 //

Marlin/src/pins/pins.h

@@ -188,6 +188,8 @@
   #include "ramps/pins_TANGO.h"                 // ATmega2560                             env:mega2560
 #elif MB(MKS_GEN_L_V2)
   #include "ramps/pins_MKS_GEN_L_V2.h"          // ATmega2560                             env:mega2560
+#elif MB(COPYMASTER_3D)
+  #include "ramps/pins_COPYMASTER_3D.h"         // ATmega2560                             env:mega2560
 
 //
 // RAMBo and derivatives
@@ -465,53 +467,53 @@
 //
 
 #elif MB(STM32F103RE)
-  #include "stm32/pins_STM32F1R.h"              // STM32F1                                env:STM32F103RE
+  #include "stm32f1/pins_STM32F1R.h"            // STM32F1                                env:STM32F103RE
 #elif MB(MALYAN_M200)
-  #include "stm32/pins_MALYAN_M200.h"           // STM32F1                                env:STM32F103CB_malyan
+  #include "stm32f1/pins_MALYAN_M200.h"         // STM32F1                                env:STM32F103CB_malyan
 #elif MB(STM3R_MINI)
-  #include "stm32/pins_STM3R_MINI.h"            // STM32F1                                env:STM32F103RE
+  #include "stm32f1/pins_STM3R_MINI.h"          // STM32F1                                env:STM32F103RE
 #elif MB(GTM32_PRO_VB)
-  #include "stm32/pins_GTM32_PRO_VB.h"          // STM32F1                                env:STM32F103RE
+  #include "stm32f1/pins_GTM32_PRO_VB.h"        // STM32F1                                env:STM32F103RE
 #elif MB(GTM32_MINI_A30)
-  #include "stm32/pins_GTM32_MINI_A30.h"        // STM32F1                                env:STM32F103RE
+  #include "stm32f1/pins_GTM32_MINI_A30.h"      // STM32F1                                env:STM32F103RE
 #elif MB(GTM32_MINI)
-  #include "stm32/pins_GTM32_MINI.h"            // STM32F1                                env:STM32F103RE
+  #include "stm32f1/pins_GTM32_MINI.h"          // STM32F1                                env:STM32F103RE
 #elif MB(GTM32_REV_B)
-  #include "stm32/pins_GTM32_REV_B.h"           // STM32F1                                env:STM32F103RE
+  #include "stm32f1/pins_GTM32_REV_B.h"         // STM32F1                                env:STM32F103RE
 #elif MB(MORPHEUS)
-  #include "stm32/pins_MORPHEUS.h"              // STM32F1                                env:STM32F103RE
+  #include "stm32f1/pins_MORPHEUS.h"            // STM32F1                                env:STM32F103RE
 #elif MB(CHITU3D)
-  #include "stm32/pins_CHITU3D.h"               // STM32F1                                env:STM32F103RE
+  #include "stm32f1/pins_CHITU3D.h"             // STM32F1                                env:STM32F103RE
 #elif MB(MKS_ROBIN)
-  #include "stm32/pins_MKS_ROBIN.h"             // STM32F1                                env:mks_robin
+  #include "stm32f1/pins_MKS_ROBIN.h"           // STM32F1                                env:mks_robin
 #elif MB(MKS_ROBIN_MINI)
-  #include "stm32/pins_MKS_ROBIN_MINI.h"        // STM32F1                                env:mks_robin_mini
+  #include "stm32f1/pins_MKS_ROBIN_MINI.h"      // STM32F1                                env:mks_robin_mini
 #elif MB(MKS_ROBIN_NANO)
-  #include "stm32/pins_MKS_ROBIN_NANO.h"        // STM32F1                                env:mks_robin_nano
+  #include "stm32f1/pins_MKS_ROBIN_NANO.h"      // STM32F1                                env:mks_robin_nano
 #elif MB(MKS_ROBIN_LITE)
-  #include "stm32/pins_MKS_ROBIN_LITE.h"        // STM32F1                                env:mks_robin_lite
+  #include "stm32f1/pins_MKS_ROBIN_LITE.h"      // STM32F1                                env:mks_robin_lite
 #elif MB(BTT_SKR_MINI_V1_1)
-  #include "stm32/pins_BTT_SKR_MINI_V1_1.h"     // STM32F1                                env:STM32F103RC_btt env:STM32F103RC_btt_512K env:STM32F103RC_btt_USB env:STM32F103RC_btt_512K_USB
+  #include "stm32f1/pins_BTT_SKR_MINI_V1_1.h"   // STM32F1                                env:STM32F103RC_btt env:STM32F103RC_btt_512K env:STM32F103RC_btt_USB env:STM32F103RC_btt_512K_USB
 #elif MB(BTT_SKR_MINI_E3_V1_0)
-  #include "stm32/pins_BTT_SKR_MINI_E3_V1_0.h"  // STM32F1                                env:STM32F103RC_btt env:STM32F103RC_btt_512K env:STM32F103RC_btt_USB env:STM32F103RC_btt_512K_USB
+  #include "stm32f1/pins_BTT_SKR_MINI_E3_V1_0.h"  // STM32F1                              env:STM32F103RC_btt env:STM32F103RC_btt_512K env:STM32F103RC_btt_USB env:STM32F103RC_btt_512K_USB
 #elif MB(BTT_SKR_MINI_E3_V1_2)
-  #include "stm32/pins_BTT_SKR_MINI_E3_V1_2.h"  // STM32F1                                env:STM32F103RC_btt env:STM32F103RC_btt_512K env:STM32F103RC_btt_USB env:STM32F103RC_btt_512K_USB
+  #include "stm32f1/pins_BTT_SKR_MINI_E3_V1_2.h"  // STM32F1                              env:STM32F103RC_btt env:STM32F103RC_btt_512K env:STM32F103RC_btt_USB env:STM32F103RC_btt_512K_USB
 #elif MB(BTT_SKR_E3_DIP)
-  #include "stm32/pins_BTT_SKR_E3_DIP.h"        // STM32F1                                env:STM32F103RE_btt env:STM32F103RE_btt_USB env:STM32F103RC_btt env:STM32F103RC_btt_512K env:STM32F103RC_btt_USB env:STM32F103RC_btt_512K_USB
+  #include "stm32f1/pins_BTT_SKR_E3_DIP.h"      // STM32F1                                env:STM32F103RE_btt env:STM32F103RE_btt_USB env:STM32F103RC_btt env:STM32F103RC_btt_512K env:STM32F103RC_btt_USB env:STM32F103RC_btt_512K_USB
 #elif MB(JGAURORA_A5S_A1)
-  #include "stm32/pins_JGAURORA_A5S_A1.h"       // STM32F1                                env:jgaurora_a5s_a1
+  #include "stm32f1/pins_JGAURORA_A5S_A1.h"     // STM32F1                                env:jgaurora_a5s_a1
 #elif MB(FYSETC_AIO_II)
-  #include "stm32/pins_FYSETC_AIO_II.h"         // STM32F1                                env:STM32F103RC_fysetc
+  #include "stm32f1/pins_FYSETC_AIO_II.h"       // STM32F1                                env:STM32F103RC_fysetc
 #elif MB(FYSETC_CHEETAH)
-  #include "stm32/pins_FYSETC_CHEETAH.h"        // STM32F1                                env:STM32F103RC_fysetc
+  #include "stm32f1/pins_FYSETC_CHEETAH.h"      // STM32F1                                env:STM32F103RC_fysetc
 #elif MB(FYSETC_CHEETAH_V12)
-  #include "stm32/pins_FYSETC_CHEETAH_V12.h"    // STM32F1                                env:STM32F103RC_fysetc
+  #include "stm32f1/pins_FYSETC_CHEETAH_V12.h"  // STM32F1                                env:STM32F103RC_fysetc
 #elif MB(LONGER3D_LK)
-  #include "stm32/pins_LONGER3D_LK.h"           // STM32F1                                env:STM32F103VE_longer
+  #include "stm32f1/pins_LONGER3D_LK.h"         // STM32F1                                env:STM32F103VE_longer
 #elif MB(MKS_ROBIN_LITE3)
-  #include "stm32/pins_MKS_ROBIN_LITE3.h"       // STM32F1                                env:mks_robin_lite3
+  #include "stm32f1/pins_MKS_ROBIN_LITE3.h"     // STM32F1                                env:mks_robin_lite3
 #elif MB(MKS_ROBIN_PRO)
-  #include "stm32/pins_MKS_ROBIN_PRO.h"         // STM32F1                                env:mks_robin_pro
+  #include "stm32f1/pins_MKS_ROBIN_PRO.h"       // STM32F1                                env:mks_robin_pro
 
 //
 // ARM Cortex-M4F
@@ -527,46 +529,46 @@
 //
 
 #elif MB(BEAST)
-  #include "stm32/pins_BEAST.h"                 // STM32F4                                env:STM32F4
+  #include "stm32f4/pins_BEAST.h"               // STM32F4                                env:STM32F4
 #elif MB(GENERIC_STM32F4)
-  #include "stm32/pins_GENERIC_STM32F4.h"       // STM32F4                                env:STM32F4
+  #include "stm32f4/pins_GENERIC_STM32F4.h"     // STM32F4                                env:STM32F4
 #elif MB(ARMED)
-  #include "stm32/pins_ARMED.h"                 // STM32F4                                env:ARMED
+  #include "stm32f4/pins_ARMED.h"               // STM32F4                                env:ARMED
 #elif MB(RUMBA32_AUS3D)
-  #include "stm32/pins_RUMBA32_AUS3D.h"         // STM32F4                                env:rumba32_f446ve
+  #include "stm32f4/pins_RUMBA32_AUS3D.h"       // STM32F4                                env:rumba32_f446ve
 #elif MB(RUMBA32_MKS)
-  #include "stm32/pins_RUMBA32_MKS.h"           // STM32F4                                env:rumba32_mks
+  #include "stm32f4/pins_RUMBA32_MKS.h"         // STM32F4                                env:rumba32_mks
 #elif MB(BLACK_STM32F407VE)
-  #include "stm32/pins_BLACK_STM32F407VE.h"     // STM32F4                                env:STM32F407VE_black
+  #include "stm32f4/pins_BLACK_STM32F407VE.h"   // STM32F4                                env:STM32F407VE_black
 #elif MB(STEVAL_3DP001V1)
-  #include "stm32/pins_STEVAL_3DP001V1.h"       // STM32F4                                env:STM32F401VE_STEVAL
+  #include "stm32f4/pins_STEVAL_3DP001V1.h"     // STM32F4                                env:STM32F401VE_STEVAL
 #elif MB(BTT_SKR_PRO_V1_1)
-  #include "stm32/pins_BTT_SKR_PRO_V1_1.h"      // STM32F4                                env:BIGTREE_SKR_PRO
+  #include "stm32f4/pins_BTT_SKR_PRO_V1_1.h"    // STM32F4                                env:BIGTREE_SKR_PRO
 #elif MB(BTT_GTR_V1_0)
-  #include "stm32/pins_BTT_GTR_V1_0.h"          // STM32F4                                env:BIGTREE_GTR_V1_0
+  #include "stm32f4/pins_BTT_GTR_V1_0.h"        // STM32F4                                env:BIGTREE_GTR_V1_0
 #elif MB(BTT_BTT002_V1_0)
-  #include "stm32/pins_BTT_BTT002_V1_0.h"       // STM32F4                                env:BIGTREE_BTT002
+  #include "stm32f4/pins_BTT_BTT002_V1_0.h"     // STM32F4                                env:BIGTREE_BTT002
 #elif MB(LERDGE_K)
-  #include "stm32/pins_LERDGE_K.h"              // STM32F4                                env:STM32F4
+  #include "stm32f4/pins_LERDGE_K.h"            // STM32F4                                env:STM32F4
 #elif MB(LERDGE_X)
-  #include "stm32/pins_LERDGE_X.h"              // STM32F4                                env:STM32F4
+  #include "stm32f4/pins_LERDGE_X.h"            // STM32F4                                env:STM32F4
 #elif MB(VAKE403D)
-  #include "stm32/pins_VAKE403D.h"              // STM32F4                                env:STM32F4
+  #include "stm32f4/pins_VAKE403D.h"            // STM32F4                                env:STM32F4
 #elif MB(FYSETC_S6)
-  #include "stm32/pins_FYSETC_S6.h"             // STM32F4                                env:FYSETC_S6
+  #include "stm32f4/pins_FYSETC_S6.h"           // STM32F4                                env:FYSETC_S6
 #elif MB(FLYF407ZG)
-  #include "stm32/pins_FLYF407ZG.h"             // STM32F4                                env:FLYF407ZG
+  #include "stm32f4/pins_FLYF407ZG.h"           // STM32F4                                env:FLYF407ZG
 #elif MB(MKS_ROBIN2)
-  #include "pins_MKS_ROBIN2.h"                  // STM32F4                                env:MKS_ROBIN2
+  #include "stm32f4/pins_MKS_ROBIN2.h"          // STM32F4                                env:MKS_ROBIN2
 
 //
 // ARM Cortex M7
 //
 
 #elif MB(THE_BORG)
-  #include "stm32/pins_THE_BORG.h"              // STM32F7                                env:STM32F7
+  #include "stm32f7/pins_THE_BORG.h"            // STM32F7                                env:STM32F7
 #elif MB(REMRAM_V1)
-  #include "stm32/pins_REMRAM_V1.h"             // STM32F7                                env:STM32F7
+  #include "stm32f7/pins_REMRAM_V1.h"           // STM32F7                                env:STM32F7
 
 //
 // Espressif ESP32

Marlin/src/pins/ramps/pins_BQ_ZUM_MEGA_3D.h

@@ -96,7 +96,6 @@
 
 #define CASE_LIGHT_PIN                        44  // Hardware PWM
 
-
 // This board has headers for Z-min, Z-max and IND_S_5V *but* as the bq team
 // decided to ship the printer only with the probe and no additional Z-min
 // endstop and the instruction manual advises the user to connect the probe to

Marlin/src/pins/ramps/pins_COPYMASTER_3D.h

@@ -0,0 +1,34 @@
+/**
+ * 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/>.
+ *
+ */
+#pragma once
+
+#define BOARD_INFO_NAME "Copymaster 3D RAMPS"
+
+#define Z_STEP_PIN        47
+#define Y_MAX_PIN         14
+#define FIL_RUNOUT_PIN    15
+#define SD_DETECT_PIN     66
+
+//
+// Import RAMPS 1.4 pins
+//
+#include "pins_RAMPS.h"

Marlin/src/pins/ramps/pins_FORMBOT_TREX3.h

@@ -117,8 +117,6 @@
   #define MAX6675_SS_PIN                      66  // Don't use 49 (SD_DETECT_PIN)
 #endif
 
-
-
 //
 // Heaters / Fans
 //

Marlin/src/pins/ramps/pins_FYSETC_F6_13.h

@@ -117,7 +117,7 @@
 // the jumper next to the limit switch socket when using sensorless homing.
 //
 
-#if HAS_TMC220x
+#if HAS_TMC_UART
   /**
    * TMC2208/TMC2209 stepper drivers
    *

Marlin/src/pins/ramps/pins_FYSETC_F6_14.h

@@ -29,7 +29,7 @@
 
 #define Z_MAX_PIN                              2
 
-#if HAS_TMC220x
+#if HAS_TMC_UART
   /**
    * TMC2208/TMC2209 stepper drivers
    */

Marlin/src/pins/ramps/pins_MKS_BASE_common.h

@@ -29,7 +29,7 @@
   #define BOARD_INFO_NAME "MKS BASE"
 #endif
 
-#if MKS_BASE_VERSION == 14 || MKS_BASE_VERSION == 15
+#if MKS_BASE_VERSION >= 14
   //
   // Heaters / Fans
   //

Marlin/src/pins/ramps/pins_RAMPS.h

@@ -133,7 +133,9 @@
   #define Y_CS_PIN                            49
 #endif
 
-#define Z_STEP_PIN         46
+#ifndef Z_STEP_PIN
+  #define Z_STEP_PIN                          46
+#endif
 #define Z_DIR_PIN                             48
 #define Z_ENABLE_PIN                          62
 #ifndef Z_CS_PIN
@@ -298,7 +300,7 @@
   #endif
 #endif
 
-#if HAS_TMC220x
+#if HAS_TMC_UART
   /**
    * TMC2208/TMC2209 stepper drivers
    *