config tweaks

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

.github/workflows/ci-build-tests.yml

@@ -37,6 +37,7 @@ jobs:
     runs-on: ubuntu-latest
 
     strategy:
+      fail-fast: true
       matrix:
         test-platform:
 

Marlin/Configuration.h

@@ -61,14 +61,14 @@
 // @section info
 
 // Author info of this build printed to the host during boot and M115
-#define STRING_CONFIG_H_AUTHOR "(none, default config)" // Who made the changes.
+#define STRING_CONFIG_H_AUTHOR "InsanityAutomation" // Who made the changes.
 //#define CUSTOM_VERSION_FILE Version.h // Path from the root directory (no quotes)
 
 // @section machine
 
 // Choose the name from boards.h that matches your setup
 #ifndef MOTHERBOARD
-  #define MOTHERBOARD BOARD_RAMPS_14_EFB
+  #define MOTHERBOARD BOARD_EBAB
 #endif
 
 /**
@@ -79,7 +79,7 @@
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
-#define SERIAL_PORT 0
+#define SERIAL_PORT -1
 
 /**
  * Serial Port Baud Rate
@@ -101,7 +101,7 @@
  * Currently Ethernet (-2) is only supported on Teensy 4.1 boards.
  * :[-2, -1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
-//#define SERIAL_PORT_2 -1
+//#define SERIAL_PORT_2 1
 //#define BAUDRATE_2 250000   // :[2400, 9600, 19200, 38400, 57600, 115200, 250000, 500000, 1000000] Enable to override BAUDRATE
 
 /**
@@ -116,7 +116,7 @@
 //#define BLUETOOTH
 
 // Name displayed in the LCD "Ready" message and Info menu
-//#define CUSTOM_MACHINE_NAME "3D Printer"
+#define CUSTOM_MACHINE_NAME "FatBoy"
 
 // Printer's unique ID, used by some programs to differentiate between machines.
 // Choose your own or use a service like https://www.uuidgenerator.net/version4
@@ -139,21 +139,21 @@
  *          TMC5160, TMC5160_STANDALONE
  * :['A4988', 'A5984', 'DRV8825', 'LV8729', 'TB6560', 'TB6600', 'TMC2100', 'TMC2130', 'TMC2130_STANDALONE', 'TMC2160', 'TMC2160_STANDALONE', 'TMC2208', 'TMC2208_STANDALONE', 'TMC2209', 'TMC2209_STANDALONE', 'TMC2660', 'TMC2660_STANDALONE', 'TMC5130', 'TMC5130_STANDALONE', 'TMC5160', 'TMC5160_STANDALONE']
  */
-#define X_DRIVER_TYPE  A4988
-#define Y_DRIVER_TYPE  A4988
-#define Z_DRIVER_TYPE  A4988
+#define X_DRIVER_TYPE  TMC5160
+#define Y_DRIVER_TYPE  TMC5160
+#define Z_DRIVER_TYPE  TB6600
 //#define X2_DRIVER_TYPE A4988
-//#define Y2_DRIVER_TYPE A4988
-//#define Z2_DRIVER_TYPE A4988
-//#define Z3_DRIVER_TYPE A4988
-//#define Z4_DRIVER_TYPE A4988
+#define Y2_DRIVER_TYPE TMC5160
+#define Z2_DRIVER_TYPE TB6600
+#define Z3_DRIVER_TYPE TB6600
+#define Z4_DRIVER_TYPE TB6600
 //#define I_DRIVER_TYPE  A4988
 //#define J_DRIVER_TYPE  A4988
 //#define K_DRIVER_TYPE  A4988
 //#define U_DRIVER_TYPE  A4988
 //#define V_DRIVER_TYPE  A4988
 //#define W_DRIVER_TYPE  A4988
-#define E0_DRIVER_TYPE A4988
+#define E0_DRIVER_TYPE TMC2209
 //#define E1_DRIVER_TYPE A4988
 //#define E2_DRIVER_TYPE A4988
 //#define E3_DRIVER_TYPE A4988
@@ -399,7 +399,7 @@
   //#define MKS_PWC                 // Using the MKS PWC add-on
   //#define PS_OFF_CONFIRM          // Confirm dialog when power off
   //#define PS_OFF_SOUND            // Beep 1s when power off
-  #define PSU_ACTIVE_STATE LOW      // Set 'LOW' for ATX, 'HIGH' for X-Box
+  #define PSU_ACTIVE_STATE HIGH      // Set 'LOW' for ATX, 'HIGH' for X-Box
 
   //#define PSU_DEFAULT_OFF             // Keep power off until enabled directly with M80
   //#define PSU_POWERUP_DELAY      250  // (ms) Delay for the PSU to warm up to full power
@@ -414,13 +414,22 @@
   //#define PS_ON1_EDM_PIN           9
   #define PS_EDM_RESPONSE          250  // (ms) Time to allow for relay action
 
+  #define PSU_OFF_REDUNDANT             // Second pin for redundant power control
+  //#define PSU_OFF_REDUNDANT_OPPOSING    // Redundant pin works opposite standard pin
+  #define PS_ON_PIN                  P4_28  // Redundant Pin
+  #define PS_ON1_PIN                 P1_03  // Redundant Pin
+
+  #define PS_ON_EDM_PIN             P4_29    // EDM Pins to monitor feedback on external power control relay. Fault on mismatch.
+  #define PS_ON1_EDM_PIN            P1_17
+  #define PS_EDM_RESPONSE       1000     // Time in MS to allow for relay action
+
   //#define POWER_OFF_TIMER               // Enable M81 D<seconds> to power off after a delay
   //#define POWER_OFF_WAIT_FOR_COOLDOWN   // Enable M81 S to power off only after cooldown
 
   //#define PSU_POWERUP_GCODE  "M355 S1"  // G-code to run after power-on (e.g., case light on)
   //#define PSU_POWEROFF_GCODE "M355 S0"  // G-code to run before power-off (e.g., case light off)
 
-  //#define AUTO_POWER_CONTROL      // Enable automatic control of the PS_ON pin
+  #define AUTO_POWER_CONTROL      // Enable automatic control of the PS_ON pin
   #if ENABLED(AUTO_POWER_CONTROL)
     #define AUTO_POWER_FANS           // Turn on PSU for fans
     #define AUTO_POWER_E_FANS         // Turn on PSU for E Fans
@@ -561,7 +570,7 @@
 #define TEMP_SENSOR_5 0
 #define TEMP_SENSOR_6 0
 #define TEMP_SENSOR_7 0
-#define TEMP_SENSOR_BED 1
+#define TEMP_SENSOR_BED 11
 #define TEMP_SENSOR_PROBE 0
 #define TEMP_SENSOR_CHAMBER 0
 #define TEMP_SENSOR_COOLER 0
@@ -637,7 +646,7 @@
 // Above this temperature the heater will be switched off.
 // This can protect components from overheating, but NOT from shorts and failures.
 // (Use MINTEMP for thermistor short/failure protection.)
-#define HEATER_0_MAXTEMP 275
+#define HEATER_0_MAXTEMP 300
 #define HEATER_1_MAXTEMP 275
 #define HEATER_2_MAXTEMP 275
 #define HEATER_3_MAXTEMP 275
@@ -645,7 +654,7 @@
 #define HEATER_5_MAXTEMP 275
 #define HEATER_6_MAXTEMP 275
 #define HEATER_7_MAXTEMP 275
-#define BED_MAXTEMP      150
+#define BED_MAXTEMP      120
 #define CHAMBER_MAXTEMP  60
 
 /**
@@ -654,7 +663,7 @@
  * (especially before PID tuning). Setting the target temperature too close to MAXTEMP guarantees
  * a MAXTEMP shutdown! Use these values to forbid temperatures being set too close to MAXTEMP.
  */
-#define HOTEND_OVERSHOOT 15   // (°C) Forbid temperatures over MAXTEMP - OVERSHOOT
+#define HOTEND_OVERSHOOT 10   // (°C) Forbid temperatures over MAXTEMP - OVERSHOOT
 #define BED_OVERSHOOT    10   // (°C) Forbid temperatures over MAXTEMP - OVERSHOOT
 #define COOLER_OVERSHOOT  2   // (°C) Forbid temperatures closer than OVERSHOOT
 
@@ -757,7 +766,7 @@
  * When set to any value below 255, enables a form of PWM to the bed that acts like a divider
  * so don't use it unless you are OK with PWM on your bed. (See the comment on enabling PIDTEMPBED)
  */
-#define MAX_BED_POWER 255 // limits duty cycle to bed; 255=full current
+#define MAX_BED_POWER 180 // limits duty cycle to bed; 255=full current
 
 /**
  * PID Bed Heating
@@ -771,7 +780,7 @@
  *
  * With this option disabled, bang-bang will be used. BED_LIMIT_SWITCHING enables hysteresis.
  */
-//#define PIDTEMPBED
+#define PIDTEMPBED
 
 #if ENABLED(PIDTEMPBED)
   //#define MIN_BED_POWER 0
@@ -842,8 +851,8 @@
   #define PID_FUNCTIONAL_RANGE 10 // If the temperature difference between the target temperature and the actual temperature
                                   // is more than PID_FUNCTIONAL_RANGE then the PID will be shut off and the heater will be set to min/max.
 
-  //#define PID_EDIT_MENU         // Add PID editing to the "Advanced Settings" menu. (~700 bytes of flash)
-  //#define PID_AUTOTUNE_MENU     // Add PID auto-tuning to the "Advanced Settings" menu. (~250 bytes of flash)
+  #define PID_EDIT_MENU         // Add PID editing to the "Advanced Settings" menu. (~700 bytes of flash)
+  #define PID_AUTOTUNE_MENU     // Add PID auto-tuning to the "Advanced Settings" menu. (~250 bytes of flash)
 #endif
 
 // @section safety
@@ -1170,9 +1179,9 @@
  * Endstop "Hit" State
  * Set to the state (HIGH or LOW) that applies to each endstop.
  */
-#define X_MIN_ENDSTOP_HIT_STATE HIGH
+#define X_MIN_ENDSTOP_HIT_STATE LOW
 #define X_MAX_ENDSTOP_HIT_STATE HIGH
-#define Y_MIN_ENDSTOP_HIT_STATE HIGH
+#define Y_MIN_ENDSTOP_HIT_STATE LOW
 #define Y_MAX_ENDSTOP_HIT_STATE HIGH
 #define Z_MIN_ENDSTOP_HIT_STATE HIGH
 #define Z_MAX_ENDSTOP_HIT_STATE HIGH
@@ -1236,7 +1245,7 @@
  * Override with M92 (when enabled below)
  *                                      X, Y, Z [, I [, J [, K...]]], E0 [, E1[, E2...]]
  */
-#define DEFAULT_AXIS_STEPS_PER_UNIT   { 80, 80, 400, 500 }
+#define DEFAULT_AXIS_STEPS_PER_UNIT   { 40, 40, 200, 425 }
 
 /**
  * Enable support for M92. Disable to save at least ~530 bytes of flash.
@@ -1261,7 +1270,7 @@
  * Override with M201
  *                                      X, Y, Z [, I [, J [, K...]]], E0 [, E1[, E2...]]
  */
-#define DEFAULT_MAX_ACCELERATION      { 3000, 3000, 100, 10000 }
+#define DEFAULT_MAX_ACCELERATION      { 50000, 50000, 500, 10000 }
 
 //#define LIMITED_MAX_ACCEL_EDITING     // Limit edit via M201 or LCD to DEFAULT_MAX_ACCELERATION * 2
 #if ENABLED(LIMITED_MAX_ACCEL_EDITING)
@@ -1276,9 +1285,9 @@
  *   M204 R    Retract Acceleration
  *   M204 T    Travel Acceleration
  */
-#define DEFAULT_ACCELERATION          3000    // X, Y, Z and E acceleration for printing moves
+#define DEFAULT_ACCELERATION          7000    // X, Y, Z and E acceleration for printing moves
 #define DEFAULT_RETRACT_ACCELERATION  3000    // E acceleration for retracts
-#define DEFAULT_TRAVEL_ACCELERATION   3000    // X, Y, Z acceleration for travel (non printing) moves
+#define DEFAULT_TRAVEL_ACCELERATION   7000    // X, Y, Z acceleration for travel (non printing) moves
 
 /**
  * Default Jerk limits (mm/s)
@@ -1288,7 +1297,7 @@
  * When changing speed and direction, if the difference is less than the
  * value set here, it may happen instantaneously.
  */
-//#define CLASSIC_JERK
+#define CLASSIC_JERK
 #if ENABLED(CLASSIC_JERK)
   #define DEFAULT_XJERK 10.0
   #define DEFAULT_YJERK 10.0
@@ -1330,7 +1339,7 @@
  *
  * See https://github.com/synthetos/TinyG/wiki/Jerk-Controlled-Motion-Explained
  */
-//#define S_CURVE_ACCELERATION
+#define S_CURVE_ACCELERATION
 
 //===========================================================================
 //============================= Z Probe Options =============================
@@ -1346,10 +1355,10 @@
  * The probe replaces the Z-MIN endstop and is used for Z homing.
  * (Automatically enables USE_PROBE_FOR_Z_HOMING.)
  */
-#define Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN
+//#define Z_MIN_PROBE_USES_Z_MIN_ENDSTOP_PIN
 
 // Force the use of the probe for Z-axis homing
-//#define USE_PROBE_FOR_Z_HOMING
+#define USE_PROBE_FOR_Z_HOMING
 
 /**
  * Z_MIN_PROBE_PIN
@@ -1406,7 +1415,7 @@
 /**
  * The BLTouch probe uses a Hall effect sensor and emulates a servo.
  */
-//#define BLTOUCH
+#define BLTOUCH
 
 /**
  * MagLev V4 probe by MDD
@@ -1647,7 +1656,7 @@
  * A total of 2 does fast/slow probes with a weighted average.
  * A total of 3 or more adds more slow probes, taking the average.
  */
-//#define MULTIPLE_PROBING 2
+#define MULTIPLE_PROBING 2
 //#define EXTRA_PROBING    1
 
 /**
@@ -1670,7 +1679,7 @@
 #define Z_PROBE_ERROR_TOLERANCE     3 // (mm) Tolerance for early trigger (<= -probe.offset.z + ZPET)
 //#define Z_AFTER_PROBING           5 // (mm) Z position after probing is done
 
-#define Z_PROBE_LOW_POINT          -2 // (mm) Farthest distance below the trigger-point to go before stopping
+#define Z_PROBE_LOW_POINT          -5 // (mm) Farthest distance below the trigger-point to go before stopping
 
 // For M851 provide ranges for adjusting the X, Y, and Z probe offsets
 //#define PROBE_OFFSET_XMIN -50   // (mm)
@@ -1749,9 +1758,9 @@
 // @section motion
 
 // Invert the stepper direction. Change (or reverse the motor connector) if an axis goes the wrong way.
-#define INVERT_X_DIR false
-#define INVERT_Y_DIR true
-#define INVERT_Z_DIR false
+#define INVERT_X_DIR true
+#define INVERT_Y_DIR false
+#define INVERT_Z_DIR true
 //#define INVERT_I_DIR false
 //#define INVERT_J_DIR false
 //#define INVERT_K_DIR false
@@ -1821,8 +1830,8 @@
 // @section geometry
 
 // The size of the printable area
-#define X_BED_SIZE 200
-#define Y_BED_SIZE 200
+#define X_BED_SIZE 1200
+#define Y_BED_SIZE 1200
 
 // Travel limits (linear=mm, rotational=°) after homing, corresponding to endstop positions.
 #define X_MIN_POS 0
@@ -1830,7 +1839,7 @@
 #define Z_MIN_POS 0
 #define X_MAX_POS X_BED_SIZE
 #define Y_MAX_POS Y_BED_SIZE
-#define Z_MAX_POS 200
+#define Z_MAX_POS 1000
 //#define I_MIN_POS 0
 //#define I_MAX_POS 50
 //#define J_MIN_POS 0
@@ -1882,7 +1891,7 @@
 #endif
 
 #if ANY(MIN_SOFTWARE_ENDSTOPS, MAX_SOFTWARE_ENDSTOPS)
-  //#define SOFT_ENDSTOPS_MENU_ITEM  // Enable/Disable software endstops from the LCD
+  #define SOFT_ENDSTOPS_MENU_ITEM  // Enable/Disable software endstops from the LCD
 #endif
 
 /**
@@ -2041,7 +2050,7 @@
  */
 //#define AUTO_BED_LEVELING_3POINT
 //#define AUTO_BED_LEVELING_LINEAR
-//#define AUTO_BED_LEVELING_BILINEAR
+#define AUTO_BED_LEVELING_BILINEAR
 //#define AUTO_BED_LEVELING_UBL
 //#define MESH_BED_LEVELING
 
@@ -2049,14 +2058,14 @@
  * Commands to execute at the end of G29 probing.
  * Useful to retract or move the Z probe out of the way.
  */
-//#define EVENT_GCODE_AFTER_G29 "G1 Z10 F12000\nG1 X15 Y330\nG1 Z0.5\nG1 Z10"
+//#define Z_PROBE_END_SCRIPT "G1 Z10 F12000\nG1 X15 Y330\nG1 Z0.5\nG1 Z10"
 
 /**
  * Normally G28 leaves leveling disabled on completion. Enable one of
  * these options to restore the prior leveling state or to always enable
  * leveling immediately after G28.
  */
-//#define RESTORE_LEVELING_AFTER_G28
+#define RESTORE_LEVELING_AFTER_G28
 //#define ENABLE_LEVELING_AFTER_G28
 
 /**
@@ -2071,7 +2080,7 @@
 /**
  * Enable detailed logging of G28, G29, M48, etc.
  * Turn on with the command 'M111 S32'.
- * NOTE: Requires a lot of flash!
+ * NOTE: Requires a lot of PROGMEM!
  */
 //#define DEBUG_LEVELING_FEATURE
 
@@ -2088,7 +2097,7 @@
    */
   #define ENABLE_LEVELING_FADE_HEIGHT
   #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
-    #define DEFAULT_LEVELING_FADE_HEIGHT 10.0 // (mm) Default fade height.
+    #define DEFAULT_LEVELING_FADE_HEIGHT 0.0 // (mm) Default fade height.
   #endif
 
   /**
@@ -2102,7 +2111,7 @@
   /**
    * Enable the G26 Mesh Validation Pattern tool.
    */
-  //#define G26_MESH_VALIDATION
+  #define G26_MESH_VALIDATION
   #if ENABLED(G26_MESH_VALIDATION)
     #define MESH_TEST_NOZZLE_SIZE    0.4  // (mm) Diameter of primary nozzle.
     #define MESH_TEST_LAYER_HEIGHT   0.2  // (mm) Default layer height for G26.
@@ -2118,7 +2127,7 @@
 #if ANY(AUTO_BED_LEVELING_LINEAR, AUTO_BED_LEVELING_BILINEAR)
 
   // Set the number of grid points per dimension.
-  #define GRID_MAX_POINTS_X 3
+  #define GRID_MAX_POINTS_X 15
   #define GRID_MAX_POINTS_Y GRID_MAX_POINTS_X
 
   // Probe along the Y axis, advancing X after each column
@@ -2128,7 +2137,7 @@
 
     // Beyond the probed grid, continue the implied tilt?
     // Default is to maintain the height of the nearest edge.
-    //#define EXTRAPOLATE_BEYOND_GRID
+    #define EXTRAPOLATE_BEYOND_GRID
 
     //
     // Subdivision of the grid by Catmull-Rom method.
@@ -2204,12 +2213,12 @@
  * Add a bed leveling sub-menu for ABL or MBL.
  * Include a guided procedure if manual probing is enabled.
  */
-//#define LCD_BED_LEVELING
+#define LCD_BED_LEVELING
 
 #if ENABLED(LCD_BED_LEVELING)
   #define MESH_EDIT_Z_STEP  0.025 // (mm) Step size while manually probing Z axis.
-  #define LCD_PROBE_Z_RANGE 4     // (mm) Z Range centered on Z_MIN_POS for LCD Z adjustment
-  //#define MESH_EDIT_MENU        // Add a menu to edit mesh points
+  #define LCD_PROBE_Z_RANGE 8     // (mm) Z Range centered on Z_MIN_POS for LCD Z adjustment
+  #define MESH_EDIT_MENU        // Add a menu to edit mesh points
 #endif
 
 // Add a menu item to move between bed corners for manual bed adjustment
@@ -2271,7 +2280,7 @@
  * - Allows Z homing only when XY positions are known and trusted.
  * - If stepper drivers sleep, XY homing may be required again before Z homing.
  */
-//#define Z_SAFE_HOMING
+#define Z_SAFE_HOMING
 
 #if ENABLED(Z_SAFE_HOMING)
   #define Z_SAFE_HOMING_X_POINT X_CENTER  // (mm) X point for Z homing
@@ -2358,12 +2367,12 @@
  *   M501 - Read settings from EEPROM. (i.e., Throw away unsaved changes)
  *   M502 - Revert settings to "factory" defaults. (Follow with M500 to init the EEPROM.)
  */
-//#define EEPROM_SETTINGS     // Persistent storage with M500 and M501
+#define EEPROM_SETTINGS     // Persistent storage with M500 and M501
 //#define DISABLE_M503        // Saves ~2700 bytes of flash. Disable for release!
-#define EEPROM_CHITCHAT       // Give feedback on EEPROM commands. Disable to save flash.
+#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.
+  #define EEPROM_AUTO_INIT  // Init EEPROM automatically on any errors.
   //#define EEPROM_INIT_NOW   // Init EEPROM on first boot after a new build.
 #endif
 
@@ -2421,11 +2430,11 @@
  *    P1  Raise the nozzle always to Z-park height.
  *    P2  Raise the nozzle by Z-park amount, limited to Z_MAX_POS.
  */
-//#define NOZZLE_PARK_FEATURE
+#define NOZZLE_PARK_FEATURE
 
 #if ENABLED(NOZZLE_PARK_FEATURE)
   // Specify a park position as { X, Y, Z_raise }
-  #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MAX_POS - 10), 20 }
+  #define NOZZLE_PARK_POINT { (X_MIN_POS + 10), (Y_MIN_POS + 10), 5 }
   #define NOZZLE_PARK_MOVE          0   // Park motion: 0 = XY Move, 1 = X Only, 2 = Y Only, 3 = X before Y, 4 = Y before X
   #define NOZZLE_PARK_Z_RAISE_MIN   2   // (mm) Always raise Z by at least this distance
   #define NOZZLE_PARK_XY_FEEDRATE 100   // (mm/s) X and Y axes feedrate (also used for delta Z axis)
@@ -2648,7 +2657,7 @@
  * SD Card support is disabled by default. If your controller has an SD slot,
  * you must uncomment the following option or it won't work.
  */
-//#define SDSUPPORT
+#define SDSUPPORT
 
 /**
  * SD CARD: ENABLE CRC
@@ -2728,7 +2737,7 @@
 //
 // Add individual axis homing items (Home X, Home Y, and Home Z) to the LCD menu.
 //
-//#define INDIVIDUAL_AXIS_HOMING_MENU
+#define INDIVIDUAL_AXIS_HOMING_MENU
 //#define INDIVIDUAL_AXIS_HOMING_SUBMENU
 
 //
@@ -2931,7 +2940,7 @@
 // RepRapDiscount FULL GRAPHIC Smart Controller
 // https://reprap.org/wiki/RepRapDiscount_Full_Graphic_Smart_Controller
 //
-//#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
+#define REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER
 
 //
 // K.3D Full Graphic Smart Controller
@@ -3415,7 +3424,9 @@
   #define BUTTON_DELAY_EDIT      50 // (ms) Button repeat delay for edit screens
   #define BUTTON_DELAY_MENU     250 // (ms) Button repeat delay for menus
 
-  //#define DISABLE_ENCODER         // Disable the click encoder, if any
+  #if ANY(TFT_CLASSIC_UI, TFT_COLOR_UI)
+    //#define NO_BACK_MENU_ITEM     // Don't display a top menu item to go back to the parent menu
+  #endif
 
   #define TOUCH_SCREEN_CALIBRATION
 

Marlin/Configuration_adv.h

@@ -307,11 +307,11 @@
   #define THERMAL_PROTECTION_PERIOD 40        // (seconds)
   #define THERMAL_PROTECTION_HYSTERESIS 4     // (°C)
 
-  //#define ADAPTIVE_FAN_SLOWING              // Slow down the part-cooling fan if the temperature drops
+  #define ADAPTIVE_FAN_SLOWING              // Slow down the part-cooling fan if the temperature drops
   #if ENABLED(ADAPTIVE_FAN_SLOWING)
     //#define REPORT_ADAPTIVE_FAN_SLOWING     // Report fan slowing activity to the console
     #if ANY(MPCTEMP, PIDTEMP)
-      //#define TEMP_TUNING_MAINTAIN_FAN      // Don't slow down the fan speed during M303 or M306 T
+      #define TEMP_TUNING_MAINTAIN_FAN      // Don't slow down the fan speed during M303 or M306 T
     #endif
   #endif
 
@@ -335,7 +335,7 @@
  * Thermal Protection parameters for the bed are just as above for hotends.
  */
 #if ENABLED(THERMAL_PROTECTION_BED)
-  #define THERMAL_PROTECTION_BED_PERIOD        20 // (seconds)
+  #define THERMAL_PROTECTION_BED_PERIOD        90 // (seconds)
   #define THERMAL_PROTECTION_BED_HYSTERESIS     2 // (°C)
 
   /**
@@ -547,10 +547,10 @@
  * Hotend Idle Timeout
  * Prevent filament in the nozzle from charring and causing a critical jam.
  */
-//#define HOTEND_IDLE_TIMEOUT
+#define HOTEND_IDLE_TIMEOUT
 #if ENABLED(HOTEND_IDLE_TIMEOUT)
-  #define HOTEND_IDLE_TIMEOUT_SEC (5*60)    // (seconds) Time without extruder movement to trigger protection
-  #define HOTEND_IDLE_MIN_TRIGGER   180     // (°C) Minimum temperature to enable hotend protection
+  #define HOTEND_IDLE_TIMEOUT_SEC (30*60)    // (seconds) Time without extruder movement to trigger protection
+  #define HOTEND_IDLE_MIN_TRIGGER   170     // (°C) Minimum temperature to enable hotend protection
   #define HOTEND_IDLE_NOZZLE_TARGET   0     // (°C) Safe temperature for the nozzle after timeout
   #define HOTEND_IDLE_BED_TARGET      0     // (°C) Safe temperature for the bed after timeout
 #endif
@@ -602,8 +602,10 @@
  * gets it spinning reliably for a short time before setting the requested speed.
  * (Does not work on Sanguinololu with FAN_SOFT_PWM.)
  */
-//#define FAN_KICKSTART_TIME  100  // (ms)
-//#define FAN_KICKSTART_POWER 180  // 64-255
+#define FAN_KICKSTART_TIME  100  // (ms)
+#define FAN_KICKSTART_POWER 255  // 64-255
+//#define FAN_KICKSTART_LINEAR     // Set kickstart time linearly based on the speed, e.g., for 20% (51) it will be FAN_KICKSTART_TIME * 0.2.
+                                   // Useful for quick speed up to low speed. Kickstart power must be set to 255.
 
 // Some coolers may require a non-zero "off" state.
 //#define FAN_OFF_PWM  1
@@ -931,7 +933,7 @@
 //#define HOMING_BACKOFF_POST_MM { 2, 2, 2 }  // (linear=mm, rotational=°) Backoff from endstops after homing
 //#define XY_COUNTERPART_BACKOFF_MM 0         // (mm) Backoff X after homing Y, and vice-versa
 
-//#define QUICK_HOME                          // If G28 contains XY do a diagonal move first
+#define QUICK_HOME                          // If G28 contains XY do a diagonal move first
 //#define HOME_Y_BEFORE_X                     // If G28 contains XY home Y before X
 //#define HOME_Z_FIRST                        // Home Z first. Requires a real endstop (not a probe).
 //#define CODEPENDENT_XY_HOMING               // If X/Y can't home without homing Y/X first
@@ -1020,7 +1022,7 @@
  * Z Steppers Auto-Alignment
  * Add the G34 command to align multiple Z steppers using a bed probe.
  */
-//#define Z_STEPPER_AUTO_ALIGN
+#define Z_STEPPER_AUTO_ALIGN
 #if ENABLED(Z_STEPPER_AUTO_ALIGN)
   /**
    * Define probe X and Y positions for Z1, Z2 [, Z3 [, Z4]]
@@ -1280,7 +1282,7 @@
 // Backlash Compensation
 // Adds extra movement to axes on direction-changes to account for backlash.
 //
-//#define BACKLASH_COMPENSATION
+#define BACKLASH_COMPENSATION
 #if ENABLED(BACKLASH_COMPENSATION)
   // Define values for backlash distance and correction.
   // If BACKLASH_GCODE is enabled these values are the defaults.
@@ -1295,7 +1297,7 @@
   //#define BACKLASH_SMOOTHING_MM 3 // (mm)
 
   // Add runtime configuration and tuning of backlash values (M425)
-  //#define BACKLASH_GCODE
+  #define BACKLASH_GCODE
 
   #if ENABLED(BACKLASH_GCODE)
     // Measure the Z backlash when probing (G29) and set with "M425 Z"
@@ -1331,8 +1333,6 @@
   //#define CALIBRATION_SCRIPT_PRE  "M117 Starting Auto-Calibration\nT0\nG28\nG12\nM117 Calibrating..."
   //#define CALIBRATION_SCRIPT_POST "M500\nM117 Calibration data saved"
 
-  #define CALIBRATION_MEASUREMENT_RESOLUTION     0.01 // mm
-
   #define CALIBRATION_FEEDRATE_SLOW             60    // mm/min
   #define CALIBRATION_FEEDRATE_FAST           1200    // mm/min
   #define CALIBRATION_FEEDRATE_TRAVEL         3000    // mm/min
@@ -1341,7 +1341,7 @@
   #define CALIBRATION_NOZZLE_TIP_HEIGHT          1.0  // mm
   #define CALIBRATION_NOZZLE_OUTER_DIAMETER      2.0  // mm
 
-  // Uncomment to enable reporting (required for "G425 V", but consumes flash).
+  // Uncomment to enable reporting (required for "G425 V", but consumes PROGMEM).
   //#define CALIBRATION_REPORTING
 
   // The true location and dimension the cube/bolt/washer on the bed.
@@ -1528,7 +1528,7 @@
   #endif
 
   // Include a page of printer information in the LCD Main Menu
-  //#define LCD_INFO_MENU
+  #define LCD_INFO_MENU
   #if ENABLED(LCD_INFO_MENU)
     //#define LCD_PRINTER_INFO_IS_BOOTSCREEN // Show bootscreen(s) instead of Printer Info pages
   #endif
@@ -1581,7 +1581,7 @@
       #define BOOT_MARLIN_LOGO_SMALL      // Show a smaller Marlin logo on the Boot Screen (saving lots of flash)
     #endif
     #if HAS_MARLINUI_U8GLIB
-      //#define BOOT_MARLIN_LOGO_ANIMATED // Animated Marlin logo. Costs ~3260 (or ~940) bytes of flash.
+      #define BOOT_MARLIN_LOGO_ANIMATED // Animated Marlin logo. Costs ~3260 (or ~940) bytes of flash.
     #endif
     #if ANY(HAS_MARLINUI_U8GLIB, TOUCH_UI_FTDI_EVE, HAS_MARLINUI_HD44780)
       //#define SHOW_CUSTOM_BOOTSCREEN    // Show the bitmap in Marlin/_Bootscreen.h on startup.
@@ -1600,10 +1600,10 @@
   #endif
 
   // The timeout to return to the status screen from sub-menus
-  //#define LCD_TIMEOUT_TO_STATUS 15000   // (ms)
+  #define LCD_TIMEOUT_TO_STATUS 15000   // (ms)
 
   // Scroll a longer status message into view
-  //#define STATUS_MESSAGE_SCROLLING
+  #define STATUS_MESSAGE_SCROLLING
 
   // Apply a timeout to low-priority status messages
   //#define STATUS_MESSAGE_TIMEOUT_SEC 30 // (seconds)
@@ -1655,7 +1655,7 @@
 #endif
 
 // Add 'M73' to set print job progress, overrides Marlin's built-in estimate
-//#define SET_PROGRESS_MANUALLY
+#define SET_PROGRESS_MANUALLY
 #if ENABLED(SET_PROGRESS_MANUALLY)
   #define SET_PROGRESS_PERCENT            // Add 'P' parameter to set percentage done
   #define SET_REMAINING_TIME              // Add 'R' parameter to set remaining time
@@ -1812,13 +1812,13 @@
 
   // Allow international symbols in long filenames. To display correctly, the
   // LCD's font must contain the characters. Check your selected LCD language.
-  //#define UTF_FILENAME_SUPPORT
+  #define UTF_FILENAME_SUPPORT
 
-  //#define LONG_FILENAME_HOST_SUPPORT    // Get the long filename of a file/folder with 'M33 <dosname>' and list long filenames with 'M20 L'
+  #define LONG_FILENAME_HOST_SUPPORT    // Get the long filename of a file/folder with 'M33 <dosname>' and list long filenames with 'M20 L'
   //#define LONG_FILENAME_WRITE_SUPPORT   // Create / delete files with long filenames via M28, M30, and Binary Transfer Protocol
   //#define M20_TIMESTAMP_SUPPORT         // Include timestamps by adding the 'T' flag to M20 commands
 
-  //#define SCROLL_LONG_FILENAMES         // Scroll long filenames in the SD card menu
+  #define SCROLL_LONG_FILENAMES         // Scroll long filenames in the SD card menu
 
   //#define SD_ABORT_NO_COOLDOWN          // Leave the heaters on after Stop Print (not recommended!)
 
@@ -1919,7 +1919,7 @@
    *
    * :[ 'LCD', 'ONBOARD', 'CUSTOM_CABLE' ]
    */
-  //#define SDCARD_CONNECTION LCD
+  #define SDCARD_CONNECTION ONBOARD
 
   // Enable if SD detect is rendered useless (e.g., by using an SD extender)
   //#define NO_SD_DETECT
@@ -2265,18 +2265,18 @@
  *
  * Warning: Does not respect endstops!
  */
-//#define BABYSTEPPING
+#define BABYSTEPPING
 #if ENABLED(BABYSTEPPING)
   //#define EP_BABYSTEPPING                 // M293/M294 babystepping with EMERGENCY_PARSER support
   //#define BABYSTEP_WITHOUT_HOMING
-  //#define BABYSTEP_ALWAYS_AVAILABLE       // Allow babystepping at all times (not just during movement)
+  #define BABYSTEP_ALWAYS_AVAILABLE       // Allow babystepping at all times (not just during movement)
   //#define BABYSTEP_XY                     // Also enable X/Y Babystepping. Not supported on DELTA!
   //#define BABYSTEP_INVERT_Z               // Enable if Z babysteps should go the other way
   //#define BABYSTEP_MILLIMETER_UNITS       // Specify BABYSTEP_MULTIPLICATOR_(XY|Z) in mm instead of micro-steps
-  #define BABYSTEP_MULTIPLICATOR_Z  1       // (steps or mm) Steps or millimeter distance for each Z babystep
+  #define BABYSTEP_MULTIPLICATOR_Z  25       // (steps or mm) Steps or millimeter distance for each Z babystep
   #define BABYSTEP_MULTIPLICATOR_XY 1       // (steps or mm) Steps or millimeter distance for each XY babystep
 
-  //#define DOUBLECLICK_FOR_Z_BABYSTEPPING  // Double-click on the Status Screen for Z Babystepping.
+  #define DOUBLECLICK_FOR_Z_BABYSTEPPING  // Double-click on the Status Screen for Z Babystepping.
   #if ENABLED(DOUBLECLICK_FOR_Z_BABYSTEPPING)
     #define DOUBLECLICK_MAX_INTERVAL 1250   // Maximum interval between clicks, in milliseconds.
                                             // Note: Extra time may be added to mitigate controller latency.
@@ -2288,7 +2288,7 @@
 
   //#define BABYSTEP_DISPLAY_TOTAL          // Display total babysteps since last G28
 
-  //#define BABYSTEP_ZPROBE_OFFSET          // Combine M851 Z and Babystepping
+  #define BABYSTEP_ZPROBE_OFFSET          // Combine M851 Z and Babystepping
   #if ENABLED(BABYSTEP_ZPROBE_OFFSET)
     //#define BABYSTEP_HOTEND_Z_OFFSET      // For multiple hotends, babystep relative Z offsets
     //#define BABYSTEP_GFX_OVERLAY          // Enable graphical overlay on Z-offset editor
@@ -2312,7 +2312,7 @@
  *
  * See https://marlinfw.org/docs/features/lin_advance.html for full instructions.
  */
-//#define LIN_ADVANCE
+#define LIN_ADVANCE
 #if ENABLED(LIN_ADVANCE)
   #if ENABLED(DISTINCT_E_FACTORS)
     #define ADVANCE_K { 0.22 }    // (mm) Compression length per 1mm/s extruder speed, per extruder
@@ -2329,6 +2329,7 @@
  *
  * Control extrusion rate based on instantaneous extruder velocity. Can be used to correct for
  * underextrusion at high extruder speeds that are otherwise well-behaved (i.e., not skipping).
+ * For better results also enable ADAPTIVE_STEP_SMOOTHING.
  */
 //#define NONLINEAR_EXTRUSION
 
@@ -2505,7 +2506,7 @@
 #endif
 
 // G5 Bézier Curve Support with XYZE destination and IJPQ offsets
-//#define BEZIER_CURVE_SUPPORT        // Requires ~2666 bytes
+#define BEZIER_CURVE_SUPPORT        // Requires ~2666 bytes
 
 #if ANY(ARC_SUPPORT, BEZIER_CURVE_SUPPORT)
   //#define CNC_WORKSPACE_PLANES      // Allow G2/G3/G5 to operate in XY, ZX, or YZ planes
@@ -2556,31 +2557,32 @@
 //#define MINIMUM_STEPPER_PRE_DIR_DELAY 650
 
 /**
- * Minimum stepper driver pulse width (in µs)
- *   0 : Smallest possible width the MCU can produce, compatible with TMC2xxx drivers
- *   0 : Minimum 500ns for LV8729, adjusted in stepper.h
- *   1 : Minimum for A4988 and A5984 stepper drivers
- *   2 : Minimum for DRV8825 stepper drivers
- *   3 : Minimum for TB6600 stepper drivers
- *  30 : Minimum for TB6560 stepper drivers
+ * Minimum stepper driver pulse width (in ns)
+ * If undefined, these defaults (from Conditionals_adv.h) apply:
+ *     100 : Minimum for TMC2xxx stepper drivers
+ *     500 : Minimum for LV8729
+ *    1000 : Minimum for A4988 and A5984 stepper drivers
+ *    2000 : Minimum for DRV8825 stepper drivers
+ *    3000 : Minimum for TB6600 stepper drivers
+ *   30000 : Minimum for TB6560 stepper drivers
  *
  * Override the default value based on the driver type set in Configuration.h.
  */
-//#define MINIMUM_STEPPER_PULSE 2
+#define MINIMUM_STEPPER_PULSE_NS 3500
 
 /**
  * Maximum stepping rate (in Hz) the stepper driver allows
- *  If undefined, defaults to 1MHz / (2 * MINIMUM_STEPPER_PULSE)
+ * If undefined, these defaults (from Conditionals_adv.h) apply:
  *  5000000 : Maximum for TMC2xxx stepper drivers
  *  1000000 : Maximum for LV8729 stepper driver
- *  500000  : Maximum for A4988 stepper driver
- *  250000  : Maximum for DRV8825 stepper driver
- *  150000  : Maximum for TB6600 stepper driver
- *   15000  : Maximum for TB6560 stepper driver
+ *   500000 : Maximum for A4988 stepper driver
+ *   250000 : Maximum for DRV8825 stepper driver
+ *   150000 : Maximum for TB6600 stepper driver
+ *    15000 : Maximum for TB6560 stepper driver
  *
  * Override the default value based on the driver type set in Configuration.h.
  */
-//#define MAXIMUM_STEPPER_RATE 250000
+#define MAXIMUM_STEPPER_RATE 150000
 
 // @section temperature
 
@@ -2597,16 +2599,16 @@
 #if ALL(HAS_MEDIA, DIRECT_STEPPING)
   #define BLOCK_BUFFER_SIZE  8
 #elif HAS_MEDIA
-  #define BLOCK_BUFFER_SIZE 16
+  #define BLOCK_BUFFER_SIZE 32
 #else
-  #define BLOCK_BUFFER_SIZE 16
+  #define BLOCK_BUFFER_SIZE 32
 #endif
 
 // @section serial
 
 // The ASCII buffer for serial input
 #define MAX_CMD_SIZE 96
-#define BUFSIZE 4
+#define BUFSIZE 16
 
 // Transmission to Host Buffer Size
 // To save 386 bytes of flash (and TX_BUFFER_SIZE+3 bytes of RAM) set to 0.
@@ -2653,7 +2655,7 @@
  * Currently handles M108, M112, M410, M876
  * NOTE: Not yet implemented for all platforms.
  */
-//#define EMERGENCY_PARSER
+#define EMERGENCY_PARSER
 
 /**
  * Realtime Reporting (requires EMERGENCY_PARSER)
@@ -2684,7 +2686,7 @@
 //#define NO_TIMEOUTS 1000 // (ms)
 
 // Some clients will have this feature soon. This could make the NO_TIMEOUTS unnecessary.
-//#define ADVANCED_OK
+#define ADVANCED_OK
 
 // Printrun may have trouble receiving long strings all at once.
 // This option inserts short delays between lines of serial output.
@@ -2886,7 +2888,7 @@
  *
  * Enable PARK_HEAD_ON_PAUSE to add the G-code M125 Pause and Park.
  */
-//#define ADVANCED_PAUSE_FEATURE
+#define ADVANCED_PAUSE_FEATURE
 #if ENABLED(ADVANCED_PAUSE_FEATURE)
   #define PAUSE_PARK_RETRACT_FEEDRATE         60  // (mm/s) Initial retract feedrate.
   #define PAUSE_PARK_RETRACT_LENGTH            2  // (mm) Initial retract.
@@ -2926,11 +2928,11 @@
   //#define FILAMENT_CHANGE_RESUME_ON_INSERT      // Automatically continue / load filament when runout sensor is triggered again.
   //#define PAUSE_REHEAT_FAST_RESUME              // Reduce number of waits by not prompting again post-timeout before continuing.
 
-  //#define PARK_HEAD_ON_PAUSE                    // Park the nozzle during pause and filament change.
+  #define PARK_HEAD_ON_PAUSE                    // Park the nozzle during pause and filament change.
   //#define HOME_BEFORE_FILAMENT_CHANGE           // If needed, home before parking for filament change
 
-  //#define FILAMENT_LOAD_UNLOAD_GCODES           // Add M701/M702 Load/Unload G-codes, plus Load/Unload in the LCD Prepare menu.
-  //#define FILAMENT_UNLOAD_ALL_EXTRUDERS         // Allow M702 to unload all extruders above a minimum target temp (as set by M302)
+  #define FILAMENT_LOAD_UNLOAD_GCODES           // Add M701/M702 Load/Unload G-codes, plus Load/Unload in the LCD Prepare menu.
+  #define FILAMENT_UNLOAD_ALL_EXTRUDERS         // Allow M702 to unload all extruders above a minimum target temp (as set by M302)
   #define CONFIGURE_FILAMENT_CHANGE               // Add M603 G-code and menu items. Requires ~1.3K bytes of flash.
 #endif
 
@@ -2959,7 +2961,7 @@
  */
 #if HAS_TRINAMIC_CONFIG
 
-  #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
+  #define HOLD_MULTIPLIER    0.7  // Scales down the holding current from run current
 
   /**
    * Interpolate microsteps to 256
@@ -2968,10 +2970,10 @@
   #define INTERPOLATE      true
 
   #if AXIS_IS_TMC_CONFIG(X)
-    #define X_CURRENT       800        // (mA) RMS current. Multiply by 1.414 for peak current.
+    #define X_CURRENT       1200        // (mA) RMS current. Multiply by 1.414 for peak current.
     #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for sensorless homing
     #define X_MICROSTEPS     16        // 0..256
-    #define X_RSENSE          0.11
+    #define X_RSENSE          0.022
     #define X_CHAIN_POS      -1        // -1..0: Not chained. 1: MCU MOSI connected. 2: Next in chain, ...
     //#define X_INTERPOLATE  true      // Enable to override 'INTERPOLATE' for the X axis
     //#define X_HOLD_MULTIPLIER 0.5    // Enable to override 'HOLD_MULTIPLIER' for the X axis
@@ -2988,10 +2990,10 @@
   #endif
 
   #if AXIS_IS_TMC_CONFIG(Y)
-    #define Y_CURRENT       800
+    #define Y_CURRENT       1200
     #define Y_CURRENT_HOME  Y_CURRENT
     #define Y_MICROSTEPS     16
-    #define Y_RSENSE          0.11
+    #define Y_RSENSE          0.022
     #define Y_CHAIN_POS      -1
     //#define Y_INTERPOLATE  true
     //#define Y_HOLD_MULTIPLIER 0.5
@@ -3108,7 +3110,7 @@
   #endif
 
   #if AXIS_IS_TMC_CONFIG(E0)
-    #define E0_CURRENT      800
+    #define E0_CURRENT      900
     #define E0_MICROSTEPS    16
     #define E0_RSENSE         0.11
     #define E0_CHAIN_POS     -1
@@ -3213,7 +3215,7 @@
    * The default SW SPI pins are defined the respective pins files,
    * but you can override or define them here.
    */
-  //#define TMC_USE_SW_SPI
+  #define TMC_USE_SW_SPI
   //#define TMC_SPI_MOSI  -1
   //#define TMC_SPI_MISO  -1
   //#define TMC_SPI_SCK   -1
@@ -3273,7 +3275,7 @@
    * When disabled, Marlin will use spreadCycle stepping mode.
    */
   #if HAS_STEALTHCHOP
-    #define STEALTHCHOP_XY
+    //#define STEALTHCHOP_XY
     #define STEALTHCHOP_Z
     #define STEALTHCHOP_I
     #define STEALTHCHOP_J
@@ -3281,7 +3283,7 @@
     #define STEALTHCHOP_U
     #define STEALTHCHOP_V
     #define STEALTHCHOP_W
-    #define STEALTHCHOP_E
+    //#define STEALTHCHOP_E
   #endif
 
   /**
@@ -3299,11 +3301,11 @@
    * Define your own with:
    * { <off_time[1..15]>, <hysteresis_end[-3..12]>, hysteresis_start[1..8] }
    */
-  #define CHOPPER_TIMING CHOPPER_DEFAULT_12V        // All axes (override below)
-  //#define CHOPPER_TIMING_X  CHOPPER_TIMING        // For X Axes (override below)
+  //#define CHOPPER_TIMING CHOPPER_DEFAULT_36V        // All axes (override below)
+  #define CHOPPER_TIMING_X  CHOPPER_DEFAULT_36V        // For X Axes (override below)
   //#define CHOPPER_TIMING_X2 CHOPPER_TIMING_X
-  //#define CHOPPER_TIMING_Y  CHOPPER_TIMING        // For Y Axes (override below)
-  //#define CHOPPER_TIMING_Y2 CHOPPER_TIMING_Y
+  #define CHOPPER_TIMING_Y  CHOPPER_DEFAULT_36V        // For Y Axes (override below)
+  #define CHOPPER_TIMING_Y2 CHOPPER_TIMING_Y
   //#define CHOPPER_TIMING_Z  CHOPPER_TIMING        // For Z Axes (override below)
   //#define CHOPPER_TIMING_Z2 CHOPPER_TIMING_Z
   //#define CHOPPER_TIMING_Z3 CHOPPER_TIMING_Z
@@ -3314,7 +3316,7 @@
   //#define CHOPPER_TIMING_U  CHOPPER_TIMING        // For U Axis
   //#define CHOPPER_TIMING_V  CHOPPER_TIMING        // For V Axis
   //#define CHOPPER_TIMING_W  CHOPPER_TIMING        // For W Axis
-  //#define CHOPPER_TIMING_E  CHOPPER_TIMING        // For Extruders (override below)
+  #define CHOPPER_TIMING_E  CHOPPER_DEFAULT_24V        // For Extruders (override below)
   //#define CHOPPER_TIMING_E1 CHOPPER_TIMING_E
   //#define CHOPPER_TIMING_E2 CHOPPER_TIMING_E
   //#define CHOPPER_TIMING_E3 CHOPPER_TIMING_E
@@ -3336,12 +3338,12 @@
    * M912 - Clear stepper driver overtemperature pre-warn condition flag.
    * M122 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define MONITOR_DRIVER_STATUS
+  #define MONITOR_DRIVER_STATUS
 
   #if ENABLED(MONITOR_DRIVER_STATUS)
     #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
-    #define STOP_ON_ERROR
+    //#define STOP_ON_ERROR
   #endif
 
   // @section tmc/hybrid
@@ -3353,7 +3355,7 @@
    * STEALTHCHOP_(XY|Z|E) must be enabled to use HYBRID_THRESHOLD.
    * M913 X/Y/Z/E to live tune the setting
    */
-  //#define HYBRID_THRESHOLD
+  #define HYBRID_THRESHOLD
 
   #define X_HYBRID_THRESHOLD     100  // [mm/s]
   #define X2_HYBRID_THRESHOLD    100
@@ -3443,13 +3445,13 @@
   /**
    * Step on both rising and falling edge signals (as with a square wave).
    */
-  //#define EDGE_STEPPING
+  #define EDGE_STEPPING
 
   /**
    * Enable M122 debugging command for TMC stepper drivers.
    * M122 S0/1 will enable continuous reporting.
    */
-  //#define TMC_DEBUG
+  #define TMC_DEBUG
 
   /**
    * You can set your own advanced settings by filling in predefined functions.
@@ -4112,14 +4114,14 @@
  * Host Prompt Support enables Marlin to use the host for user prompts so
  * filament runout and other processes can be managed from the host side.
  */
-//#define HOST_ACTION_COMMANDS
+#define HOST_ACTION_COMMANDS
 #if ENABLED(HOST_ACTION_COMMANDS)
   //#define HOST_PAUSE_M76                // Tell the host to pause in response to M76
-  //#define HOST_PROMPT_SUPPORT           // Initiate host prompts to get user feedback
+  #define HOST_PROMPT_SUPPORT           // Initiate host prompts to get user feedback
   #if ENABLED(HOST_PROMPT_SUPPORT)
-    //#define HOST_STATUS_NOTIFICATIONS   // Send some status messages to the host as notifications
+    #define HOST_STATUS_NOTIFICATIONS   // Send some status messages to the host as notifications
   #endif
-  //#define HOST_START_MENU_ITEM          // Add a menu item that tells the host to start
+  #define HOST_START_MENU_ITEM          // Add a menu item that tells the host to start
   //#define HOST_SHUTDOWN_MENU_ITEM       // Add a menu item that tells the host to shut down
 #endif
 
@@ -4489,7 +4491,7 @@
 //
 // M42 - Set pin states
 //
-//#define DIRECT_PIN_CONTROL
+#define DIRECT_PIN_CONTROL
 
 //
 // M43 - display pin status, toggle pins, watch pins, watch endstops & toggle LED, test servo probe

Marlin/Version.h

@@ -41,7 +41,7 @@
  * here we define this default string as the date where the latest release
  * version was tagged.
  */
-//#define STRING_DISTRIBUTION_DATE "2024-05-29"
+//#define STRING_DISTRIBUTION_DATE "2024-07-07"
 
 /**
  * Defines a generic printer name to be output to the LCD after booting Marlin.

Marlin/src/HAL/AVR/HAL.h

@@ -159,7 +159,7 @@ typedef Servo hal_servo_t;
 #define GET_PIN_MAP_INDEX(pin) pin
 #define PARSED_PIN_INDEX(code, dval) parser.intval(code, dval)
 
-#define HAL_SENSITIVE_PINS 0, 1,
+#define HAL_SENSITIVE_PINS 0, 1
 
 #ifdef __AVR_AT90USB1286__
   #define JTAG_DISABLE() do{ MCUCR = 0x80; MCUCR = 0x80; }while(0)

Marlin/src/HAL/AVR/endstop_interrupts.h

@@ -345,6 +345,14 @@ void setup_endstop_interrupts() {
       pciSetup(Z_MIN_PROBE_PIN);
     #endif
   #endif
+  #if USE_CALIBRATION
+    #if (digitalPinToInterrupt(CALIBRATION_PIN) != NOT_AN_INTERRUPT)
+      _ATTACH(CALIBRATION_PIN);
+    #else
+      static_assert(digitalPinHasPCICR(CALIBRATION_PIN), "CALIBRATION_PIN is not interrupt-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue.");
+      pciSetup(CALIBRATION_PIN);
+    #endif
+  #endif
 
   // If we arrive here without raising an assertion, each pin has either an EXT-interrupt or a PCI.
 }

Marlin/src/HAL/AVR/fast_pwm.cpp

@@ -150,7 +150,7 @@ void MarlinHAL::set_pwm_frequency(const pin_t pin, const uint16_t f_desired) {
       else {
         if (p == 32 || p == 128) continue;                    // Skip TIMER2 specific prescalers when not TIMER2
         const uint16_t rft = (F_CPU) / (p * f_desired);
-        DEBUG_ECHOLNPGM("(Not Timer 2) F_CPU=" STRINGIFY(F_CPU), " prescaler=", p, " f_desired=", f_desired);
+        DEBUG_ECHOLNPGM("(Not Timer 2) F_CPU=", STRINGIFY(F_CPU), " prescaler=", p, " f_desired=", f_desired);
         res_fast_temp = rft - 1;
         res_pc_temp = rft / 2;
       }

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

@@ -28,9 +28,6 @@
  *   Port          : E0 E1 E4 E5 G5 E3 H3 H4 H5 H6 B4 B5 B6 B7 J1 J0 H1 H0 D3 D2 D1 D0 A0 A1 A2 A3 A4 A5 A6 A7 C7 C6 C5 C4 C3 C2 C1 C0 D7 G2 G1 G0 L7 L6 L5 L4 L3 L2 L1 L0 B3 B2 B1 B0 F0 F1 F2 F3 F4 F5 F6 F7 K0 K1 K2 K3 K4 K5 K6 K7 | E2 E6 E7 xx xx H2 H7 G3 G4 xx xx xx xx xx D4 D5 D6 xx xx J2 J3 J4 J5 J6 J7 xx xx xx xx xx
  *   Logical Pin   : 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 | 78 79 80 xx xx 84 85 71 70 xx xx xx xx xx 81 82 83 xx xx 72 73 75 76 77 74 xx xx xx xx xx
  *   Analog Input  :                                                                                                                                                                    0  1  2  3  4  5  6  7  8  9 10 11 12 13 14 15
- *
- * Arduino Pin Layout video: https://youtu.be/rIqeVCX09FA
- * AVR alternate pin function overview video: https://youtu.be/1yd8wuI5Plg
  */
 
 #include "../fastio.h"

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

@@ -26,9 +26,6 @@
  *
  *   Logical Pin: 38 39 40 41 42 43 44 45 16 10 11 12 06 07 08 09 30 31 32 33 34 35 36 37 17 18 19 20 21 22 23 24 00 01 13 05 02 03 14 15 46 47 48 49 50 51 52 53 25 26 27 28 29 04
  *   Port:        A0 A1 A2 A3 A4 A5 A6 A7 B0 B1 B2 B3 B4 B5 B6 B7 C0 C1 C2 C3 C4 C5 C6 C7 D0 D1 D2 D3 D4 D5 D6 D7 E0 E1 E2 E3 E4 E5 E6 E7 F0 F1 F2 F3 F4 F5 F6 F7 G0 G1 G2 G3 G4 G5
- *
- * Arduino Pin Layout video: https://youtu.be/rIqeVCX09FA
- * AVR alternate pin function overview video: https://youtu.be/1yd8wuI5Plg
  */
 
 #include "../fastio.h"

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

@@ -26,9 +26,6 @@
  *
  *   Logical Pin: 08 09 10 11 12 13 14 15 16 17 18 19 20 21 00 01 02 03 04 05 06 07
  *   Port:        B0 B1 B2 B3 B4 B5 C0 C1 C2 C3 C4 C5 C6 C7 D0 D1 D2 D3 D4 D5 D6 D7
- *
- * Arduino Pin Layout video: https://youtu.be/rIqeVCX09FA
- * AVR alternate pin function overview video: https://youtu.be/1yd8wuI5Plg
  */
 
 #include "../fastio.h"

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

@@ -26,9 +26,6 @@
  *
  *   Logical Pin: 00 01 02 03 04 05 06 07 08 09 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31
  *   Port:        B0 B1 B2 B3 B4 B5 B6 B7 D0 D1 D2 D3 D4 D5 D6 D7 C0 C1 C2 C3 C4 C5 C6 C7 A7 A6 A5 A4 A3 A2 A1 A0
- *
- * Arduino Pin Layout video: https://youtu.be/rIqeVCX09FA
- * AVR alternate pin function overview video: https://youtu.be/1yd8wuI5Plg
  */
 
 /**                        ATMega644

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

@@ -27,9 +27,6 @@
  *   Logical Pin: 28 29 30 31 32 33 34 35 20 21 22 23 24 25 26 27 10 11 12 13 14 15 16 17 00 01 02 03 04 05 06 07 08 09(46*47)36 37 18 19 38 39 40 41 42 43 44 45
  *   Port:        A0 A1 A2 A3 A4 A5 A6 A7 B0 B1 B2 B3 B4 B5 B6 B7 C0 C1 C2 C3 C4 C5 C6 C7 D0 D1 D2 D3 D4 D5 D6 D7 E0 E1 E2 E3 E4 E5 E6 E7 F0 F1 F2 F3 F4 F5 F6 F7
  *            The logical pins 46 and 47 are not supported by Teensyduino, but are supported below as E2 and E3
- *
- * Arduino Pin Layout video: https://youtu.be/rIqeVCX09FA
- * AVR alternate pin function overview video: https://youtu.be/1yd8wuI5Plg
  */
 
 #include "../fastio.h"

Marlin/src/HAL/AVR/u8g_com_HAL_AVR_sw_spi.cpp

@@ -120,7 +120,7 @@ void u8g_spiSend_sw_AVR_mode_3(uint8_t val) {
   U8G_ATOMIC_END();
 }
 
-#if ENABLED(FYSETC_MINI_12864)
+#if U8G_SPI_USE_MODE_3
   #define SPISEND_SW_AVR u8g_spiSend_sw_AVR_mode_3
 #else
   #define SPISEND_SW_AVR u8g_spiSend_sw_AVR_mode_0
@@ -143,9 +143,9 @@ uint8_t u8g_com_HAL_AVR_sw_sp_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void
       break;
 
     case U8G_COM_MSG_CHIP_SELECT:
-      #if ENABLED(FYSETC_MINI_12864)           // LCD SPI is running mode 3 while SD card is running mode 0
-        if (arg_val) {                         //   SCK idle state needs to be set to the proper idle state before
-                                               //   the next chip select goes active
+      #if U8G_SPI_USE_MODE_3                                  // LCD SPI is running mode 3 while SD card is running mode 0
+        if (arg_val) {                                        // SCK idle state needs to be set to the proper idle state before
+                                                              //  the next chip select goes active
           u8g_com_arduino_digital_write(u8g, U8G_PI_SCK, 1);  // Set SCK to mode 3 idle state before CS goes active
           u8g_com_arduino_digital_write(u8g, U8G_PI_CS, LOW);
         }

Marlin/src/HAL/DUE/endstop_interrupts.h

@@ -64,6 +64,7 @@ void setup_endstop_interrupts() {
   TERN_(USE_Z4_MAX,      _ATTACH(Z4_MAX_PIN));
   TERN_(USE_Z4_MIN,      _ATTACH(Z4_MIN_PIN));
   TERN_(USE_Z_MIN_PROBE, _ATTACH(Z_MIN_PROBE_PIN));
+  TERN_(USE_CALIBRATION, _ATTACH(CALIBRATION_PIN));
   TERN_(USE_I_MAX,       _ATTACH(I_MAX_PIN));
   TERN_(USE_I_MIN,       _ATTACH(I_MIN_PIN));
   TERN_(USE_J_MAX,       _ATTACH(J_MAX_PIN));

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

@@ -68,16 +68,15 @@
  * Usually the hardware SPI pins are only available to the LCD. This makes the DUE hard SPI used at the same time
  * as the TMC2130 soft SPI the most common setup.
  */
-#define _IS_HW_SPI(P) (defined(TMC_SPI_##P) && (TMC_SPI_##P == SD_MOSI_PIN || TMC_SPI_##P == SD_MISO_PIN || TMC_SPI_##P == SD_SCK_PIN))
-
 #if HAS_MEDIA && HAS_DRIVER(TMC2130)
-  #if ENABLED(TMC_USE_SW_SPI)
-    #if DISABLED(SOFTWARE_SPI) && (_IS_HW_SPI(MOSI) || _IS_HW_SPI(MISO) || _IS_HW_SPI(SCK))
-      #error "DUE hardware SPI is required but is incompatible with TMC2130 software SPI. Either disable TMC_USE_SW_SPI or use separate pins for the two SPIs."
-    #endif
-  #elif ENABLED(SOFTWARE_SPI)
+  #define _IS_HW_SPI(P) (defined(TMC_SPI_##P) && (TMC_SPI_##P == SD_MOSI_PIN || TMC_SPI_##P == SD_MISO_PIN || TMC_SPI_##P == SD_SCK_PIN))
+  #if DISABLED(SOFTWARE_SPI) && ENABLED(TMC_USE_SW_SPI) && (_IS_HW_SPI(MOSI) || _IS_HW_SPI(MISO) || _IS_HW_SPI(SCK))
+    #error "DUE hardware SPI is required but is incompatible with TMC2130 software SPI. Either disable TMC_USE_SW_SPI or use separate pins for the two SPIs."
+  #endif
+  #if ENABLED(SOFTWARE_SPI) && DISABLED(TMC_USE_SW_SPI)
     #error "DUE software SPI is required but is incompatible with TMC2130 hardware SPI. Enable TMC_USE_SW_SPI to fix."
   #endif
+  #undef _IS_HW_SPI
 #endif
 
 #if ENABLED(FAST_PWM_FAN) || SPINDLE_LASER_FREQUENCY

Marlin/src/HAL/DUE/spi_pins.h

@@ -24,7 +24,7 @@
 /**
  * Define SPI Pins: SCK, MISO, MOSI, SS
  *
- * Available chip select pins for HW SPI are 4 10 52 77
+ * Available chip select pins for HW SPI are 4 10 52 77 87
  */
 #if SDSS == 4 || SDSS == 10 || SDSS == 52 || SDSS == 77 || SDSS == 87
   #if SDSS == 4

Marlin/src/HAL/DUE/u8g/u8g_com_HAL_DUE_sw_spi.cpp

@@ -66,7 +66,7 @@
 
 #include <U8glib-HAL.h>
 
-#if ENABLED(FYSETC_MINI_12864)
+#if U8G_SPI_USE_MODE_3
   #define SPISEND_SW_DUE u8g_spiSend_sw_DUE_mode_3
 #else
   #define SPISEND_SW_DUE u8g_spiSend_sw_DUE_mode_0
@@ -96,15 +96,15 @@ uint8_t u8g_com_HAL_DUE_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void
       break;
 
     case U8G_COM_MSG_CHIP_SELECT:
-      #if ENABLED(FYSETC_MINI_12864)           // LCD SPI is running mode 3 while SD card is running mode 0
-        if (arg_val) {                        //   SCK idle state needs to be set to the proper idle state before
-                                               //   the next chip select goes active
-          u8g_SetPILevel_DUE(u8g, U8G_PI_SCK, 1);  //set SCK to mode 3 idle state before CS goes active
+      #if U8G_SPI_USE_MODE_3                        // LCD SPI is running mode 3 while SD card is running mode 0
+        if (arg_val) {                              // SCK idle state needs to be set to the proper idle state before
+                                                    //  the next chip select goes active
+          u8g_SetPILevel_DUE(u8g, U8G_PI_SCK, 1);   // Set SCK to mode 3 idle state before CS goes active
           u8g_SetPILevel_DUE(u8g, U8G_PI_CS, LOW);
         }
         else {
           u8g_SetPILevel_DUE(u8g, U8G_PI_CS, HIGH);
-          u8g_SetPILevel_DUE(u8g, U8G_PI_SCK, 0); //set SCK to mode 0 idle state after CS goes inactive
+          u8g_SetPILevel_DUE(u8g, U8G_PI_SCK, 0);   // Set SCK to mode 0 idle state after CS goes inactive
         }
       #else
         u8g_SetPILevel_DUE(u8g, U8G_PI_CS, !arg_val);

Marlin/src/HAL/DUE/upload_extra_script.py

@@ -11,7 +11,7 @@ if pioutil.is_pio_build():
 
     if current_OS == 'Windows':
 
-        Import("env")
+        env = pioutil.env
 
         # Use bossac.exe on Windows
         env.Replace(

Marlin/src/HAL/ESP32/endstop_interrupts.h

@@ -59,6 +59,7 @@ void setup_endstop_interrupts() {
   TERN_(USE_Z4_MAX,      _ATTACH(Z4_MAX_PIN));
   TERN_(USE_Z4_MIN,      _ATTACH(Z4_MIN_PIN));
   TERN_(USE_Z_MIN_PROBE, _ATTACH(Z_MIN_PROBE_PIN));
+  TERN_(USE_CALIBRATION, _ATTACH(CALIBRATION_PIN));
   TERN_(USE_I_MAX,       _ATTACH(I_MAX_PIN));
   TERN_(USE_I_MIN,       _ATTACH(I_MIN_PIN));
   TERN_(USE_J_MAX,       _ATTACH(J_MAX_PIN));

Marlin/src/HAL/HC32/endstop_interrupts.cpp

@@ -101,12 +101,14 @@ void setup_endstop_interrupts() {
 
   SETUP(Z_MIN_PROBE);
 
+  SETUP(CALIBRATION);
+
   #undef SETUP
 }
 
 // Ensure 1 - 10 IRQs are registered
 // Disable some endstops if you encounter this error
-#define ENDSTOPS_INTERRUPTS_COUNT COUNT_ENABLED(USE_X_MAX, USE_X_MIN, USE_X2_MAX, USE_X2_MIN, USE_Y_MAX, USE_Y_MIN, USE_Y2_MAX, USE_Y2_MIN, USE_Z_MAX, USE_Z_MIN, USE_Z2_MAX, USE_Z2_MIN, USE_Z3_MAX, USE_Z3_MIN, USE_Z4_MAX, USE_Z4_MIN, USE_Z_MIN_PROBE)
+#define ENDSTOPS_INTERRUPTS_COUNT COUNT_ENABLED(USE_X_MAX, USE_X_MIN, USE_X2_MAX, USE_X2_MIN, USE_Y_MAX, USE_Y_MIN, USE_Y2_MAX, USE_Y2_MIN, USE_Z_MAX, USE_Z_MIN, USE_Z2_MAX, USE_Z2_MIN, USE_Z3_MAX, USE_Z3_MIN, USE_Z4_MAX, USE_Z4_MIN, USE_Z_MIN_PROBE, USE_CALIBRATION)
 #if ENDSTOPS_INTERRUPTS_COUNT > 10
   #error "Too many endstop interrupts! HC32F460 only supports 10 endstop interrupts."
 #elif ENDSTOPS_INTERRUPTS_COUNT == 0

Marlin/src/HAL/HC32/u8g/u8g_com_HAL_HC32_sw_spi.cpp

@@ -82,7 +82,7 @@ static inline uint8_t swSpiTransfer_mode_3(uint8_t b, const uint8_t spi_speed, c
 }
 
 static void u8g_sw_spi_shift_out(uint8_t val) {
-  #if ANY(FYSETC_MINI_12864, MKS_MINI_12864)
+  #if U8G_SPI_USE_MODE_3
     swSpiTransfer_mode_3(val, SPI_speed);
   #else
     swSpiTransfer_mode_0(val, SPI_speed);
@@ -116,15 +116,15 @@ uint8_t u8g_com_HAL_HC32_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, voi
       break;
 
     case U8G_COM_MSG_CHIP_SELECT:
-      #if ANY(FYSETC_MINI_12864, MKS_MINI_12864) // This LCD SPI is running mode 3 while SD card is running mode 0
-        if (arg_val) {                           // SCK idle state needs to be set to the proper idle state before
-                                                 // the next chip select goes active
-          WRITE(DOGLCD_SCK, HIGH);               // Set SCK to mode 3 idle state before CS goes active
+      #if U8G_SPI_USE_MODE_3        // This LCD SPI is running mode 3 while SD card is running mode 0
+        if (arg_val) {              // SCK idle state needs to be set to the proper idle state before
+                                    //  the next chip select goes active
+          WRITE(DOGLCD_SCK, HIGH);  // Set SCK to mode 3 idle state before CS goes active
           WRITE(DOGLCD_CS, LOW);
         }
         else {
           WRITE(DOGLCD_CS, HIGH);
-          WRITE(DOGLCD_SCK, LOW);  // Set SCK to mode 0 idle state after CS goes inactive
+          WRITE(DOGLCD_SCK, LOW);   // Set SCK to mode 0 idle state after CS goes inactive
         }
       #else
         WRITE(DOGLCD_CS, !arg_val);

Marlin/src/HAL/LINUX/spi_pins.h

@@ -28,12 +28,6 @@
                         // spiBeginTransaction.
 #endif
 
-// Onboard SD
-//#define SD_SCK_PIN     P0_07
-//#define SD_MISO_PIN    P0_08
-//#define SD_MOSI_PIN    P0_09
-//#define SD_SS_PIN      P0_06
-
 // External SD
 #ifndef SD_SCK_PIN
   #define SD_SCK_PIN        50

Marlin/src/HAL/LPC1768/HAL.h

@@ -159,7 +159,7 @@ constexpr pin_t GET_PIN_MAP_PIN(const int16_t index) {
 // Parse a G-code word into a pin index
 int16_t PARSED_PIN_INDEX(const char code, const int16_t dval);
 // P0.6 thru P0.9 are for the onboard SD card
-#define HAL_SENSITIVE_PINS P0_06, P0_07, P0_08, P0_09,
+#define HAL_SENSITIVE_PINS P0_06, P0_07, P0_08, P0_09
 
 // ------------------------
 // Defines

Marlin/src/HAL/LPC1768/endstop_interrupts.h

@@ -146,6 +146,12 @@ void setup_endstop_interrupts() {
     #endif
     _ATTACH(Z_MIN_PROBE_PIN);
   #endif
+  #if USE_CALIBRATION
+    #if !LPC1768_PIN_INTERRUPT_M(CALIBRATION_PIN)
+      #error "CALIBRATION_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(CALIBRATION_PIN);
+  #endif
   #if USE_I_MAX
     #if !LPC1768_PIN_INTERRUPT_M(I_MAX_PIN)
       #error "I_MAX_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."

Marlin/src/HAL/LPC1768/fast_pwm.cpp

@@ -26,8 +26,10 @@
 
 void MarlinHAL::set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t v_size/*=255*/, const bool invert/*=false*/) {
   if (!LPC176x::pin_is_valid(pin)) return;
-  if (LPC176x::pwm_attach_pin(pin))
-    LPC176x::pwm_write_ratio(pin, invert ? 1.0f - (float)v / v_size : (float)v / v_size);  // map 1-254 onto PWM range
+  if (LPC176x::pwm_attach_pin(pin)) {
+    const uint32_t duty = map(invert ? v_size - v : v, 0, v_size, 0, LPC176x::pwm_get_period(pin));
+    LPC176x::pwm_write(pin, duty);
+  }
 }
 
 void MarlinHAL::set_pwm_frequency(const pin_t pin, const uint16_t f_desired) {

Marlin/src/HAL/LPC1768/fastio.h

@@ -66,7 +66,7 @@
 #define _WRITE(IO,V)          WRITE_PIN(IO,V)
 
 /// toggle a pin
-#define _TOGGLE(IO)           _WRITE(IO, !READ(IO))
+#define _TOGGLE(IO)           LPC176x::gpio_toggle(IO)
 
 /// set pin as input
 #define _SET_INPUT(IO)        SET_DIR_INPUT(IO)

Marlin/src/HAL/LPC1768/spi_pins.h

@@ -28,12 +28,13 @@
                         // spiBeginTransaction.
 #endif
 
-/** onboard SD card */
-//#define SD_SCK_PIN        P0_07
-//#define SD_MISO_PIN       P0_08
-//#define SD_MOSI_PIN       P0_09
-//#define SD_SS_PIN         P0_06
-/** external */
+// Onboard SD
+//#define SD_SCK_PIN     P0_07
+//#define SD_MISO_PIN    P0_08
+//#define SD_MOSI_PIN    P0_09
+//#define SD_SS_PIN      P0_06
+
+// External SD
 #ifndef SD_SCK_PIN
   #define SD_SCK_PIN        P0_15
 #endif

Marlin/src/HAL/LPC1768/u8g/u8g_com_HAL_LPC1768_sw_spi.cpp

@@ -132,7 +132,7 @@ uint8_t swSpiTransfer_mode_3(uint8_t b, const uint8_t spi_speed, const pin_t sck
 static uint8_t SPI_speed = 0;
 
 static void u8g_sw_spi_shift_out(uint8_t dataPin, uint8_t clockPin, uint8_t val) {
-  #if ANY(FYSETC_MINI_12864, MKS_MINI_12864)
+  #if U8G_SPI_USE_MODE_3
     swSpiTransfer_mode_3(val, SPI_speed, clockPin, -1, dataPin);
   #else
     swSpiTransfer_mode_0(val, SPI_speed, clockPin, -1, dataPin);
@@ -160,15 +160,15 @@ uint8_t u8g_com_HAL_LPC1768_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val,
       break;
 
     case U8G_COM_MSG_CHIP_SELECT:
-      #if ANY(FYSETC_MINI_12864, MKS_MINI_12864)  // LCD SPI is running mode 3 while SD card is running mode 0
-        if (arg_val) {                            //   SCK idle state needs to be set to the proper idle state before
-                                                  //   the next chip select goes active
-          u8g_SetPILevel(u8g, U8G_PI_SCK, 1);     // Set SCK to mode 3 idle state before CS goes active
+      #if U8G_SPI_USE_MODE_3                    // LCD SPI is running mode 3 while SD card is running mode 0
+        if (arg_val) {                          // SCK idle state needs to be set to the proper idle state before
+                                                //  the next chip select goes active
+          u8g_SetPILevel(u8g, U8G_PI_SCK, 1);   // Set SCK to mode 3 idle state before CS goes active
           u8g_SetPILevel(u8g, U8G_PI_CS, LOW);
         }
         else {
           u8g_SetPILevel(u8g, U8G_PI_CS, HIGH);
-          u8g_SetPILevel(u8g, U8G_PI_SCK, 0);  // Set SCK to mode 0 idle state after CS goes inactive
+          u8g_SetPILevel(u8g, U8G_PI_SCK, 0);   // Set SCK to mode 0 idle state after CS goes inactive
         }
       #else
         u8g_SetPILevel(u8g, U8G_PI_CS, !arg_val);

Marlin/src/HAL/LPC1768/upload_extra_script.py

@@ -13,9 +13,9 @@ if pioutil.is_pio_build():
     target_drive = "REARM"
 
     import platform
-
     current_OS = platform.system()
-    Import("env")
+
+    env = pioutil.env
 
     def print_error(e):
         print('\nUnable to find destination disk (%s)\n' \

Marlin/src/HAL/LPC4078/HAL.cpp

@@ -0,0 +1,125 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#ifdef TARGET_LPC4078
+
+#include "../../inc/MarlinConfig.h"
+#include "../shared/Delay.h"
+#include "../../../gcode/parser.h"
+
+DefaultSerial1 USBSerial(false, MCDCSerial0);
+
+uint32_t MarlinHAL::adc_result = 0;
+
+// U8glib required functions
+extern "C" {
+  void u8g_xMicroDelay(uint16_t val) { DELAY_US(val); }
+  void u8g_MicroDelay()              { u8g_xMicroDelay(1); }
+  void u8g_10MicroDelay()            { u8g_xMicroDelay(10); }
+  void u8g_Delay(uint16_t val)       { delay(val); }
+}
+
+// return free heap space
+int freeMemory() {
+  char stack_end;
+  void *heap_start = malloc(sizeof(uint32_t));
+  if (heap_start == 0) return 0;
+
+  uint32_t result = (uint32_t)&stack_end - (uint32_t)heap_start;
+  free(heap_start);
+  return result;
+}
+
+void MarlinHAL::reboot() { MCUCore::nvic_system_reset(); }
+
+uint8_t MarlinHAL::get_reset_source() {
+  #if ENABLED(USE_WATCHDOG)
+    if (watchdog_timed_out()) return RST_WATCHDOG;
+  #endif
+  return RST_POWER_ON;
+}
+
+void MarlinHAL::clear_reset_source() { watchdog_clear_timeout_flag(); }
+
+void flashFirmware(const int16_t) {
+  delay(500);          // Give OS time to disconnect
+  //USB_Connect(false);  // USB clear connection
+  delay(1000);         // Give OS time to notice
+  hal.reboot();
+}
+
+#if ENABLED(USE_WATCHDOG)
+
+  #define WDT_TIMEOUT TERN(WATCHDOG_DURATION_8S, 8.0f, 4.0f) // 4 or 8 second timeout
+
+  void MarlinHAL::watchdog_init() {
+    #if ENABLED(WATCHDOG_RESET_MANUAL)
+      // We enable the watchdog timer, but only for the interrupt.
+
+      // Configure WDT to only trigger an interrupt
+      // Disable WDT interrupt (just in case, to avoid triggering it!)
+      NVIC_DisableIRQ(WDT_IRQn);
+
+      // We NEED memory barriers to ensure Interrupts are actually disabled!
+      // ( https://dzone.com/articles/nvic-disabling-interrupts-on-arm-cortex-m-and-the )
+      __DSB();
+      __ISB();
+
+      // WDT defaults to trigger an interrupt
+
+      // Configure and enable WDT interrupt.
+      NVIC_ClearPendingIRQ(WDT_IRQn);
+      NVIC_SetPriority(WDT_IRQn, 0); // Use highest priority, so we detect all kinds of lockups
+      NVIC_EnableIRQ(WDT_IRQn);
+    #else
+      MCUI::watchdog_set_timeout_triggers_reset();
+    #endif
+    MCUI::watchdog_set_timeout_in_seconds(WDT_TIMEOUT);
+    MCUI::watchdog_enable();
+  }
+
+  void MarlinHAL::watchdog_refresh() {
+    MCUI::watchdog_feed();
+    #if DISABLED(PINS_DEBUGGING) && PIN_EXISTS(LED)
+      static millis_t next_flash = millis();
+      if (ELAPSED(millis(), next_flash)) {
+        next_flash = millis() + 200;
+        TOGGLE(LED_PIN);  // heartbeat indicator
+      }
+    #endif
+  }
+
+  // Timeout state
+  bool MarlinHAL::watchdog_timed_out() { return MCUI::watchdog_has_triggered(); }
+  void MarlinHAL::watchdog_clear_timeout_flag() { MCUI::watchdog_clear_timeout_flag(); }
+
+#endif // USE_WATCHDOG
+
+// For M42/M43, scan command line for pin code
+//   return index into pin map array if found and the pin is valid.
+//   return dval if not found or not a valid pin.
+int16_t PARSED_PIN_INDEX(const char code, const int16_t dval) {
+  const uint16_t val = (uint16_t)parser.intval(code, -1), port = val / 100, pin = val % 100;
+  const  int16_t ind = (port < ((NUM_DIGITAL_PINS) >> 5) && pin < 32) ? ((port << 5) | pin) : -2;
+  return ind > -1 ? ind : dval;
+}
+
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/HAL.h

@@ -0,0 +1,276 @@
+/**
+ * Marlin 3D Printer Firmware
+ *
+ * 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
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * HAL_LPC1768/HAL.h
+ * Hardware Abstraction Layer for NXP LPC1768
+ */
+
+#define CPU_32_BIT
+
+#include <stdint.h>
+#include <stdarg.h>
+#include <algorithm>
+
+#include "../shared/Marduino.h"
+#include "../shared/Delay.h"
+#include "../shared/math_32bit.h"
+#include "../shared/HAL_SPI.h"
+#include "fastio.h"
+#include "MarlinSerial.h"
+
+#include <mcu_interface.h>
+
+// ------------------------
+// Serial ports
+// ------------------------
+
+typedef ForwardSerial1Class< decltype(MCDCSerial0) > DefaultSerial1;
+extern DefaultSerial1 USBSerial;
+
+#define _MSERIAL(X) MSerial##X
+#define MSERIAL(X) _MSERIAL(X)
+
+#if SERIAL_PORT == -1
+  #define MYSERIAL1 USBSerial
+#elif WITHIN(SERIAL_PORT, 0, 3)
+  #define MYSERIAL1 MSERIAL(SERIAL_PORT)
+#else
+  #error "SERIAL_PORT must be from 0 to 3. You can also use -1 if the board supports Native USB."
+#endif
+
+#ifdef SERIAL_PORT_2
+  #if SERIAL_PORT_2 == -1
+    #define MYSERIAL2 USBSerial
+  #elif WITHIN(SERIAL_PORT_2, 0, 3)
+    #define MYSERIAL2 MSERIAL(SERIAL_PORT_2)
+  #else
+    #error "SERIAL_PORT_2 must be from 0 to 3. You can also use -1 if the board supports Native USB."
+  #endif
+#endif
+
+#ifdef SERIAL_PORT_3
+  #if SERIAL_PORT_3 == -1
+    #define MYSERIAL3 USBSerial
+  #elif WITHIN(SERIAL_PORT_3, 0, 3)
+    #define MYSERIAL3 MSERIAL(SERIAL_PORT_3)
+  #else
+    #error "SERIAL_PORT_3 must be from 0 to 3. You can also use -1 if the board supports Native USB."
+  #endif
+#endif
+
+#ifdef MMU2_SERIAL_PORT
+  #if MMU2_SERIAL_PORT == -1
+    #define MMU2_SERIAL USBSerial
+  #elif WITHIN(MMU2_SERIAL_PORT, 0, 3)
+    #define MMU2_SERIAL MSERIAL(MMU2_SERIAL_PORT)
+  #else
+    #error "MMU2_SERIAL_PORT must be from 0 to 3. You can also use -1 if the board supports Native USB."
+  #endif
+#endif
+
+#ifdef LCD_SERIAL_PORT
+  #if LCD_SERIAL_PORT == -1
+    #define LCD_SERIAL USBSerial
+  #elif WITHIN(LCD_SERIAL_PORT, 0, 3)
+    #define LCD_SERIAL MSERIAL(LCD_SERIAL_PORT)
+  #else
+    #error "LCD_SERIAL_PORT must be from 0 to 3. You can also use -1 if the board supports Native USB."
+  #endif
+  #if HAS_DGUS_LCD
+    #define SERIAL_GET_TX_BUFFER_FREE() LCD_SERIAL.available()
+  #endif
+#endif
+
+//
+// Interrupts
+//
+
+#define CRITICAL_SECTION_START()  const bool irqon = !MCUCore::primask(); MCUCore::nvic_interrupts_disable()
+#define CRITICAL_SECTION_END()    if (irqon) MCUCore::nvic_interrupts_enable()
+#define cli() noInterrupts()
+#define sei() interrupts()
+//
+// ADC
+//
+
+#define ADC_MEDIAN_FILTER_SIZE (23) // Higher values increase step delay (phase shift),
+                                    // (ADC_MEDIAN_FILTER_SIZE + 1) / 2 sample step delay (12 samples @ 500Hz: 24ms phase shift)
+                                    // Memory usage per ADC channel (bytes): (6 * ADC_MEDIAN_FILTER_SIZE) + 16
+                                    // 8 * ((6 * 23) + 16 ) = 1232 Bytes for 8 channels
+
+#define ADC_LOWPASS_K_VALUE    (2)  // Higher values increase rise time
+                                    // Rise time sample delays for 100% signal convergence on full range step
+                                    // (1 : 13, 2 : 32, 3 : 67, 4 : 139, 5 : 281, 6 : 565, 7 : 1135, 8 : 2273)
+                                    // K = 6, 565 samples, 500Hz sample rate, 1.13s convergence on full range step
+                                    // Memory usage per ADC channel (bytes): 4 (32 Bytes for 8 channels)
+
+#define HAL_ADC_VREF            3.3 // ADC voltage reference
+
+#define HAL_ADC_RESOLUTION     12   // 15 bit maximum, raw temperature is stored as int16_t
+#define HAL_ADC_FILTERED            // Disable oversampling done in Marlin as ADC values already filtered in HAL
+
+//
+// Pin Mapping for M42, M43, M226
+//
+
+// Test whether the pin is valid
+constexpr bool VALID_PIN(const pin_t pin) {
+  return MCUI::pin_is_valid(pin);
+}
+
+// Get the analog index for a digital pin
+constexpr int8_t DIGITAL_PIN_TO_ANALOG_PIN(const pin_t pin) {
+  return (MCUI::pin_is_valid(pin) && MCUI::pin_has_adc(pin)) ? pin : -1;
+}
+
+//
+// Misc. Functions
+//
+#ifndef analogInputToDigitalPin
+  #define analogInputToDigitalPin(p) (p)
+#endif
+
+
+// Return the index of a pin number
+constexpr int16_t GET_PIN_MAP_INDEX(const pin_t pin) {
+  return MCUI::pin_index(pin);
+}
+
+// Get the pin number at the given index
+constexpr pin_t GET_PIN_MAP_PIN(const int16_t index) {
+  return MCUI::pin_index(index);
+}
+
+// Parse a G-code word into a pin index
+int16_t PARSED_PIN_INDEX(const char code, const int16_t dval);
+// P0.6 thru P0.9 are for the onboard SD card
+#define HAL_SENSITIVE_PINS P0_06, P0_07, P0_08, P0_09,
+
+// ------------------------
+// Defines
+// ------------------------
+
+void flashFirmware(const int16_t);
+
+#define HAL_CAN_SET_PWM_FREQ   // This HAL supports PWM Frequency adjustment
+
+// Default graphical display delays
+#define CPU_ST7920_DELAY_1 600
+#define CPU_ST7920_DELAY_2 750
+#define CPU_ST7920_DELAY_3 750
+
+// ------------------------
+// Free Memory Accessor
+// ------------------------
+
+#pragma GCC diagnostic push
+#if GCC_VERSION <= 50000
+  #pragma GCC diagnostic ignored "-Wunused-function"
+#endif
+
+int freeMemory();
+
+#pragma GCC diagnostic pop
+
+// ------------------------
+// MarlinHAL Class
+// ------------------------
+
+class MarlinHAL {
+public:
+
+  // Earliest possible init, before setup()
+  MarlinHAL() {}
+
+  static void init();          // Called early in setup()
+  static void init_board() {}  // Called less early in setup()
+  static void reboot();        // Restart the firmware from 0x0
+
+  // Interrupts
+  static bool isr_state() { return MCUCore::primask(); }
+  static void isr_on()  { MCUCore::nvic_interrupts_enable(); }
+  static void isr_off() {  MCUCore::nvic_interrupts_disable(); }
+
+  static void delay_ms(const int ms) { DELAY_US(ms * 1000); }
+
+  // Watchdog
+  static void watchdog_init() IF_DISABLED(USE_WATCHDOG, {});
+  static void watchdog_refresh() IF_DISABLED(USE_WATCHDOG, {});
+  static bool watchdog_timed_out() IF_DISABLED(USE_WATCHDOG, { return false; });
+  static void watchdog_clear_timeout_flag() IF_DISABLED(USE_WATCHDOG, {});
+
+  // Tasks, called from idle()
+  static void idletask();
+
+  // Reset
+  static uint8_t get_reset_source();
+  static void clear_reset_source();
+
+  // Free SRAM
+  static int freeMemory() { return ::freeMemory(); }
+
+  //
+  // ADC Methods
+  //
+
+  using FilteredADC = MCUI::ADC<ADC_LOWPASS_K_VALUE, ADC_MEDIAN_FILTER_SIZE>;
+
+  // Called by Temperature::init once at startup
+  static void adc_init() {
+    // Turn on and initialise ADC in burst mode
+    MCUI::adc_hardware.init();
+    MCUI::adc_hardware.burst_start();
+  }
+
+  // Called by Temperature::init for each sensor at startup
+  static void adc_enable(const pin_t pin) {
+    FilteredADC::enable_channel(pin);
+  }
+
+  // Begin ADC sampling on the given pin. Called from Temperature::isr!
+  static uint32_t adc_result;
+  static void adc_start(const pin_t pin) {
+    adc_result = FilteredADC::read(pin) >> (16 - HAL_ADC_RESOLUTION); // returns 16bit value, reduce to required bits
+  }
+
+  // Is the ADC ready for reading?
+  static bool adc_ready() { return true; }
+
+  // The current value of the ADC register
+  static uint16_t adc_value() { return uint16_t(adc_result); }
+
+  /**
+   * Set the PWM duty cycle for the pin to the given value.
+   * Optionally invert the duty cycle [default = false]
+   * Optionally change the scale of the provided value to enable finer PWM duty control [default = 255]
+   */
+  static void set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t v_size=255, const bool invert=false);
+
+  /**
+   * Set the frequency of the timer corresponding to the provided pin
+   * All Hardware PWM pins will run at the same frequency and
+   * All Software PWM pins will run at the same frequency
+   */
+  static void set_pwm_frequency(const pin_t pin, const uint16_t f_desired);
+};

Marlin/src/HAL/LPC4078/HAL_SPI.cpp

@@ -0,0 +1,376 @@
+// /**
+//  * Marlin 3D Printer Firmware
+//  * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+//  *
+//  * Based on Sprinter and grbl.
+//  * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+//  *
+//  * This program is free software: you can redistribute it and/or modify
+//  * it under the terms of the GNU General Public License as published by
+//  * the Free Software Foundation, either version 3 of the License, or
+//  * (at your option) any later version.
+//  *
+//  * This program is distributed in the hope that it will be useful,
+//  * but WITHOUT ANY WARRANTY; without even the implied warranty of
+//  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+//  * GNU General Public License for more details.
+//  *
+//  * You should have received a copy of the GNU General Public License
+//  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+//  *
+//  */
+
+// /**
+//  * Software SPI functions originally from Arduino Sd2Card Library
+//  * Copyright (c) 2009 by William Greiman
+//  */
+
+// /**
+//  * For TARGET_LPC4078
+//  */
+
+// /**
+//  * Hardware SPI and Software SPI implementations are included in this file.
+//  * The hardware SPI runs faster and has higher throughput but is not compatible
+//  * with some LCD interfaces/adapters.
+//  *
+//  * Control of the slave select pin(s) is handled by the calling routines.
+//  *
+//  * Some of the LCD interfaces/adapters result in the LCD SPI and the SD card
+//  * SPI sharing pins. The SCK, MOSI & MISO pins can NOT be set/cleared with
+//  * WRITE nor digitalWrite when the hardware SPI module within the LPC17xx is
+//  * active. If any of these pins are shared then the software SPI must be used.
+//  *
+//  * A more sophisticated hardware SPI can be found at the following link.
+//  * This implementation has not been fully debugged.
+//  * https://github.com/MarlinFirmware/Marlin/tree/071c7a78f27078fd4aee9a3ef365fcf5e143531e
+//  */
+
+#ifdef TARGET_LPC4078
+
+#include "../../inc/MarlinConfig.h"
+#include <SPI.h>
+
+// Hardware SPI and SPIClass
+
+#include "../shared/HAL_SPI.h"
+
+#define LPC_SOFTWARE_SPI
+
+// ------------------------
+// Public functions
+// ------------------------
+#if ENABLED(LPC_SOFTWARE_SPI)
+  #include "SoftwareSPI.h"
+
+  // Software SPI
+  static uint8_t SPI_speed = SPI_FULL_SPEED;
+
+  static uint8_t spiTransfer(uint8_t b) {
+    return swSpiTransfer(b, SPI_speed, SD_SCK_PIN, SD_MISO_PIN, SD_MOSI_PIN);
+  }
+
+  void spiBegin() {
+    swSpiBegin(SD_SCK_PIN, SD_MISO_PIN, SD_MOSI_PIN);
+  }
+
+  void spiInit(uint8_t spiRate) {
+    SPI_speed = swSpiInit(spiRate, SD_SCK_PIN, SD_MOSI_PIN);
+  }
+
+  uint8_t spiRec() { return spiTransfer(0xFF); }
+
+  void spiRead(uint8_t*buf, uint16_t nbyte) {
+    for (int i = 0; i < nbyte; i++)
+      buf[i] = spiTransfer(0xFF);
+  }
+
+  void spiSend(uint8_t b) { (void)spiTransfer(b); }
+
+  void spiSend(const uint8_t *buf, size_t nbyte) {
+    for (uint16_t i = 0; i < nbyte; i++)
+      (void)spiTransfer(buf[i]);
+  }
+
+  void spiSendBlock(uint8_t token, const uint8_t *buf) {
+    (void)spiTransfer(token);
+    for (uint16_t i = 0; i < 512; i++)
+      (void)spiTransfer(buf[i]);
+  }
+
+#else
+
+  #ifdef SD_SPI_SPEED
+    #define INIT_SPI_SPEED SD_SPI_SPEED
+  #else
+    #define INIT_SPI_SPEED SPI_FULL_SPEED
+  #endif
+
+  void spiBegin() { spiInit(INIT_SPI_SPEED); } // Set up SCK, MOSI & MISO pins for SSP0
+
+  void spiInit(uint8_t spiRate) {
+    #if SD_MISO_PIN == BOARD_SPI1_MISO_PIN
+      SPI.setModule(1);
+    #elif SD_MISO_PIN == BOARD_SPI2_MISO_PIN
+      SPI.setModule(2);
+    #endif
+    SPI.setDataSize(DATA_SIZE_8BIT);
+    SPI.setDataMode(SPI_MODE0);
+
+    SPI.setClock(SPISettings::spiRate2Clock(spiRate));
+    SPI.begin();
+  }
+
+  static uint8_t doio(uint8_t b) {
+    return SPI.transfer(b & 0x00FF) & 0x00FF;
+  }
+
+  void spiSend(uint8_t b) { doio(b); }
+
+  void spiSend(const uint8_t *buf, size_t nbyte) {
+    for (uint16_t i = 0; i < nbyte; i++) doio(buf[i]);
+  }
+
+  void spiSend(uint32_t chan, byte b) {}
+
+  void spiSend(uint32_t chan, const uint8_t *buf, size_t nbyte) {}
+
+  // Read single byte from SPI
+  uint8_t spiRec() { return doio(0xFF); }
+
+  uint8_t spiRec(uint32_t chan) { return 0; }
+
+  // Read from SPI into buffer
+  void spiRead(uint8_t *buf, uint16_t nbyte) {
+    for (uint16_t i = 0; i < nbyte; i++) buf[i] = doio(0xFF);
+  }
+
+  uint8_t spiTransfer(uint8_t b) { return doio(b); }
+
+  // Write from buffer to SPI
+  void spiSendBlock(uint8_t token, const uint8_t *buf) {
+   (void)spiTransfer(token);
+    for (uint16_t i = 0; i < 512; i++)
+      (void)spiTransfer(buf[i]);
+  }
+
+  // Begin SPI transaction, set clock, bit order, data mode
+  void spiBeginTransaction(uint32_t spiClock, uint8_t bitOrder, uint8_t dataMode) {
+    // TODO: Implement this method
+  }
+
+#endif // LPC_SOFTWARE_SPI
+
+// /**
+//  * @brief Wait until TXE (tx empty) flag is set and BSY (busy) flag unset.
+//  */
+static inline void waitSpiTxEnd(void *spi_d) {
+  // while (SSP_GetStatus(spi_d, SSP_STAT_TXFIFO_EMPTY) == RESET) { /* nada */ } // wait until TXE=1
+  // while (SSP_GetStatus(spi_d, SSP_STAT_BUSY) == SET) { /* nada */ }     // wait until BSY=0
+}
+
+// // Retain the pin init state of the SPI, to avoid init more than once,
+// // even if more instances of SPIClass exist
+static bool spiInitialised[BOARD_NR_SPI] = {};
+
+SPIClass::SPIClass(uint8_t device) {
+//   // Init things specific to each SPI device
+//   // clock divider setup is a bit of hack, and needs to be improved at a later date.
+
+  #if BOARD_NR_SPI >= 1
+    _settings[0].device_id = 0;
+    _settings[0].m_config.pin_miso = BOARD_SPI1_MISO_PIN;
+    _settings[0].m_config.pin_mosi = BOARD_SPI1_MOSI_PIN;
+    _settings[0].m_config.pin_sck  = BOARD_SPI1_SCK_PIN;
+    _settings[0].m_config.pin_ssel = BOARD_SPI1_NSS_PIN;
+    _settings[0].m_config.frequency = 100000;
+    _settings[0].m_config.data_bits = 8;
+    _settings[0].m_config.mode = 0;
+    _settings[0].m_config.format = MCUI::SSP::Config::Format::SPI;
+
+
+//     _settings[0].dataMode = SPI_MODE0;
+//     _settings[0].dataSize = DATA_SIZE_8BIT;
+//     _settings[0].clock = SPI_CLOCK_MAX;
+//     //_settings[0].clockDivider = determine_baud_rate(_settings[0].spi_d, _settings[0].clock);
+  #endif
+
+  #if BOARD_NR_SPI >= 2
+    _settings[1].device_id = 2;
+    _settings[1].m_config.pin_miso = BOARD_SPI2_MISO_PIN;
+    _settings[1].m_config.pin_mosi = BOARD_SPI2_MOSI_PIN;
+    _settings[1].m_config.pin_sck  = BOARD_SPI2_SCK_PIN;
+    _settings[1].m_config.pin_ssel = BOARD_SPI2_NSS_PIN;
+//     _settings[1].dataMode = SPI_MODE0;
+//     _settings[1].dataSize = DATA_SIZE_8BIT;
+//     _settings[1].clock = SPI_CLOCK_MAX;
+//     //_settings[1].clockDivider = determine_baud_rate(_settings[1].spi_d, _settings[1].clock);
+  #endif
+
+  #if BOARD_NR_SPI >= 3
+    _settings[2].device_id = 1;
+    _settings[2].m_config.pin_miso = BOARD_SPI3_MISO_PIN;
+    _settings[2].m_config.pin_mosi = BOARD_SPI3_MOSI_PIN;
+    _settings[2].m_config.pin_sck  = BOARD_SPI3_SCK_PIN;
+    _settings[2].m_config.pin_ssel = BOARD_SPI3_NSS_PIN;
+//     _settings[1].dataMode = SPI_MODE0;
+//     _settings[1].dataSize = DATA_SIZE_8BIT;
+//     _settings[1].clock = SPI_CLOCK_MAX;
+//     //_settings[1].clockDivider = determine_baud_rate(_settings[1].spi_d, _settings[1].clock);
+  #endif
+
+  setModule(device);
+
+//   // Init the GPDMA controller
+//   // TODO: call once in the constructor? or each time?
+//   GPDMA_Init();
+}
+
+SPIClass::SPIClass(pin_t mosi, pin_t miso, pin_t sclk, pin_t ssel) {
+  #if BOARD_NR_SPI >= 1
+    if (mosi == BOARD_SPI1_MOSI_PIN) SPIClass(1);
+  #endif
+  #if BOARD_NR_SPI >= 2
+    if (mosi == BOARD_SPI2_MOSI_PIN) SPIClass(2);
+  #endif
+  #if BOARD_NR_SPI >= 3
+    if (mosi == BOARD_SPI3_MOSI_PIN) SPIClass(3);
+  #endif
+}
+
+void SPIClass::begin() {
+//   // Init the SPI pins in the first begin call
+  if ((_currentSetting->device_id == 0 && spiInitialised[0] == false) ||
+      (_currentSetting->device_id == 1 && spiInitialised[1] == false) ||
+      (_currentSetting->device_id == 2 && spiInitialised[2] == false)) {
+    MCUI::SSP::init(_currentSetting->device_id, _currentSetting->m_config);
+    spiInitialised[_currentSetting->device_id] = true;
+  }
+  updateSettings();
+}
+
+void SPIClass::beginTransaction(const SPISettings &cfg) {
+  setBitOrder(cfg.bitOrder);
+  setDataMode(cfg.dataMode);
+  setDataSize(cfg.dataSize);
+  //setClockDivider(determine_baud_rate(_currentSetting->spi_d, settings.clock));
+  begin();
+}
+
+uint8_t SPIClass::transfer(const uint16_t b) {
+  uint16_t rx_word = 0;
+  // clear rx fifo
+  while(MCUI::SSP::read(_currentSetting->device_id, &rx_word) == 1);
+  MCUI::SSP::write(_currentSetting->device_id, b);
+  while(MCUI::SSP::read(_currentSetting->device_id, &rx_word) != 1);
+  return rx_word;
+}
+
+uint16_t SPIClass::transfer16(const uint16_t data) {
+   return (transfer((data >> 8) & 0xFF) << 8) | (transfer(data & 0xFF) & 0xFF);
+}
+
+void SPIClass::end() {
+//   // Neither is needed for Marlin
+//   //SSP_Cmd(_currentSetting->spi_d, DISABLE);
+//   //SSP_DeInit(_currentSetting->spi_d);
+}
+
+void SPIClass::send(uint8_t data) {
+  MCUI::SSP::write(_currentSetting->device_id, data);
+}
+
+void SPIClass::dmaSend(void *buf, uint16_t length, bool minc) {
+//   //TODO: LPC dma can only write 0xFFF bytes at once.
+//   GPDMA_Channel_CFG_Type GPDMACfg;
+
+//   /* Configure GPDMA channel 0 -------------------------------------------------------------*/
+//   /* DMA Channel 0 */
+//   GPDMACfg.ChannelNum = 0;
+//   // Source memory
+//   GPDMACfg.SrcMemAddr = (uint32_t)buf;
+//   // Destination memory - Not used
+//   GPDMACfg.DstMemAddr = 0;
+//   // Transfer size
+//   GPDMACfg.TransferSize = length;
+//   // Transfer width
+//   GPDMACfg.TransferWidth = (_currentSetting->dataSize == DATA_SIZE_16BIT) ? GPDMA_WIDTH_HALFWORD : GPDMA_WIDTH_BYTE;
+//   // Transfer type
+//   GPDMACfg.TransferType = GPDMA_TRANSFERTYPE_M2P;
+//   // Source connection - unused
+//   GPDMACfg.SrcConn = 0;
+//   // Destination connection
+//   GPDMACfg.DstConn = (_currentSetting->spi_d == LPC_SSP0) ? GPDMA_CONN_SSP0_Tx : GPDMA_CONN_SSP1_Tx;
+
+//   GPDMACfg.DMALLI = 0;
+
+//   // Enable dma on SPI
+//   SSP_DMACmd(_currentSetting->spi_d, SSP_DMA_TX, ENABLE);
+
+//   // Only increase memory if minc is true
+//   GPDMACfg.MemoryIncrease = (minc ? GPDMA_DMACCxControl_SI : 0);
+
+//   // Setup channel with given parameter
+//   GPDMA_Setup(&GPDMACfg);
+
+//   // Enable DMA
+//   GPDMA_ChannelCmd(0, ENABLE);
+
+//   // Wait for data transfer
+//   while (!GPDMA_IntGetStatus(GPDMA_STAT_RAWINTTC, 0) && !GPDMA_IntGetStatus(GPDMA_STAT_RAWINTERR, 0)) { }
+
+//   // Clear err and int
+//   GPDMA_ClearIntPending (GPDMA_STATCLR_INTTC, 0);
+//   GPDMA_ClearIntPending (GPDMA_STATCLR_INTERR, 0);
+
+//   // Disable DMA
+//   GPDMA_ChannelCmd(0, DISABLE);
+
+//   waitSpiTxEnd(_currentSetting->spi_d);
+
+//   SSP_DMACmd(_currentSetting->spi_d, SSP_DMA_TX, DISABLE);
+}
+
+uint16_t SPIClass::read() {
+  uint16_t rx_word = 0;
+  MCUI::SSP::read(_currentSetting->device_id, &rx_word);
+  return rx_word;
+}
+
+void SPIClass::read(uint8_t *buf, uint32_t len) {
+  uint16_t rx_word = 0;
+  // clear rx fifo
+  while(MCUI::SSP::read(_currentSetting->device_id, &rx_word) == 1);
+  for (uint16_t i = 0; i < len; i++) {
+    MCUI::SSP::write(_currentSetting->device_id, 0xFF);
+    while(MCUI::SSP::read(_currentSetting->device_id, &rx_word) != 1);
+    buf[i] = rx_word;
+  }
+}
+
+void SPIClass::setClock(uint32_t clock) { _currentSetting->clock = clock; }
+
+void SPIClass::setModule(uint8_t device) { _currentSetting = &_settings[device - 1]; } // SPI channels are called 1, 2, and 3 but the array is zero-indexed
+
+void SPIClass::setBitOrder(uint8_t bitOrder) { _currentSetting->bitOrder = bitOrder; }
+
+void SPIClass::setDataMode(uint8_t dataMode) { _currentSetting->dataMode = dataMode; }
+
+void SPIClass::setDataSize(uint32_t dataSize) { _currentSetting->dataSize = dataSize; }
+
+// /**
+//  * Set up/tear down
+//  */
+void SPIClass::updateSettings() {
+  MCUI::SSP::configure(_currentSetting->device_id, _currentSetting->m_config);
+}
+
+SPIClass SPI(1);
+
+#if SD_MISO_PIN == BOARD_SPI1_MISO_PIN
+  SPIClass SPI(1);
+#elif SD_MISO_PIN == BOARD_SPI2_MISO_PIN
+  SPIClass SPI(2);
+#endif
+
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/MarlinSPI.h

@@ -0,0 +1,45 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include <SPI.h>
+
+/**
+ * Marlin currently requires 3 SPI classes:
+ *
+ * SPIClass:
+ *  This class is normally provided by frameworks and has a semi-default interface.
+ *  This is needed because some libraries reference it globally.
+ *
+ * SPISettings:
+ *  Container for SPI configs for SPIClass. As above, libraries may reference it globally.
+ *
+ * These two classes are often provided by frameworks so we cannot extend them to add
+ * useful methods for Marlin.
+ *
+ * MarlinSPI:
+ *  Provides the default SPIClass interface plus some Marlin goodies such as a simplified
+ *  interface for SPI DMA transfer.
+ *
+ */
+
+using MarlinSPI = SPIClass;

Marlin/src/HAL/LPC4078/MarlinSerial.cpp

@@ -0,0 +1,78 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#ifdef TARGET_LPC4078
+
+#include "MarlinSerial.h"
+
+#include "../../inc/MarlinConfig.h"
+
+MarlinCDCSerial MCDCSerial0;
+
+#define MarlinSerial(ID) \
+  MarlinSerial _MSerial##ID(ID); \
+  MSerialT MSerial##ID(true, _MSerial##ID)
+
+#if USING_HW_SERIAL0
+  MarlinSerial(0);
+#endif
+#if USING_HW_SERIAL1
+  MarlinSerial(1);
+#endif
+#if USING_HW_SERIAL2
+  MarlinSerial(2);
+#endif
+#if USING_HW_SERIAL3
+  MarlinSerial(3);
+#endif
+
+#if ENABLED(EMERGENCY_PARSER)
+
+  bool MarlinSerial::recv_callback(const char c) {
+    // Need to figure out which serial port we are and react in consequence (Marlin does not have CONTAINER_OF macro)
+    if (false) {}
+    #if USING_HW_SERIAL0
+      else if (this == &_MSerial0) emergency_parser.update(MSerial0.emergency_state, c);
+    #endif
+    #if USING_HW_SERIAL1
+      else if (this == &_MSerial1) emergency_parser.update(MSerial1.emergency_state, c);
+    #endif
+    #if USING_HW_SERIAL2
+      else if (this == &_MSerial2) emergency_parser.update(MSerial2.emergency_state, c);
+    #endif
+    #if USING_HW_SERIAL3
+      else if (this == &_MSerial3) emergency_parser.update(MSerial3.emergency_state, c);
+    #endif
+    return true;
+  }
+
+  #include "../../feature/e_parser.h"
+
+  EmergencyParser::State emergency_state;
+
+  bool CDC_RecvCallback(const char c) {
+    emergency_parser.update(emergency_state, c);
+    return true;
+  }
+
+#endif
+
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/MarlinSerial.h

@@ -0,0 +1,108 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include <mcu_interface.h>
+#include <interface/uart.h>
+#include <driver/usb_cdc.h>
+
+#include <UART.h>
+
+#include "../../inc/MarlinConfigPre.h"
+#if ENABLED(EMERGENCY_PARSER)
+  #include "../../feature/e_parser.h"
+#endif
+#include "../../core/serial_hook.h"
+
+#ifndef SERIAL_PORT
+  #define SERIAL_PORT 0
+#endif
+#ifndef RX_BUFFER_SIZE
+  #define RX_BUFFER_SIZE 128
+#endif
+#ifndef TX_BUFFER_SIZE
+  #define TX_BUFFER_SIZE 32
+#endif
+
+class MarlinCDCSerial : public HardwareSerial {
+  public:
+    MarlinCDCSerial() {}
+    void begin(unsigned long baudrate) override {}
+    void begin(unsigned long baudrate, uint16_t config) override { }
+    void end() override { }
+    int available() override {
+      return MCUI::CDCSerial0::available();
+    }
+    int peek() override { char c = 0; return MCUI::CDCSerial0::peek((uint8_t*)&c)? c : -1; }
+    int read() override { char c = 0; return MCUI::CDCSerial0::read((uint8_t*)&c, 1)? c : -1; }
+    void flush() override {};
+    size_t write(uint8_t c) override { return write(&c, 1); }
+    size_t write(const uint8_t *buffer, size_t size) override { return MCUI::CDCSerial0::connected() ? MCUI::CDCSerial0::write(buffer, size) : 0; }
+    using Print::write;
+    operator bool() override { return true; }
+};
+extern MarlinCDCSerial MCDCSerial0;
+
+class MarlinSerial : public HardwareSerial {
+  public:
+    MarlinSerial(const uint32_t uart_id) : uart_device(uart_id) {}
+    void begin(unsigned long baudrate) override {
+      uart_device.configure_pins(P0_02, P0_03);
+      uart_device.init({ .baud = baudrate });
+      #if ENABLED(EMERGENCY_PARSER)
+      uart_device.set_rx_callback([this](char rx_value){ return this->recv_callback(rx_value); } );
+      #endif
+    }
+    void begin(unsigned long baudrate, uint16_t config) override {
+      begin(baudrate);
+    }
+    void end() override { }
+    int available() override {
+      return uart_device.rx_available();
+    }
+    int peek() override { char c = 0; return uart_device.peek(&c)? c : -1; }
+    int read() override { char c = 0; return uart_device.read(&c)? c : -1; }
+    void flush() override {};
+    size_t write(uint8_t c) override { return write(&c, 1); }
+    size_t write(const uint8_t *buffer, size_t size) override { return uart_device.write((const char *)buffer, size); }
+    using Print::write; // pull in write(str) and write(buf, size) from Print
+    operator bool() override { return true; }
+
+    bool recv_callback(char value);
+  private:
+    MCUI::BufferedUARTC uart_device;
+};
+
+// On LPC176x framework, HardwareSerial does not implement the same interface as Arduino's Serial, so overloads
+// of 'available' and 'read' method are not used in this multiple inheritance scenario.
+// Instead, use a ForwardSerial here that adapts the interface.
+typedef ForwardSerial1Class<MarlinSerial> MSerialT;
+extern MSerialT MSerial0;
+extern MSerialT MSerial1;
+extern MSerialT MSerial2;
+extern MSerialT MSerial3;
+
+// Consequently, we can't use a RuntimeSerial either. The workaround would be to use
+// a RuntimeSerial<ForwardSerial<MarlinSerial>> type here. Ignore for now until it's actually required.
+#if ENABLED(SERIAL_RUNTIME_HOOK)
+  #error "SERIAL_RUNTIME_HOOK is not yet supported for LPC176x."
+#endif

Marlin/src/HAL/LPC4078/MinSerial.cpp

@@ -0,0 +1,51 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2021 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#ifdef TARGET_LPC4078
+
+#include "../../inc/MarlinConfig.h"
+#include "HAL.h"
+
+#if ENABLED(POSTMORTEM_DEBUGGING)
+
+#include "../shared/MinSerial.h"
+#include <debug_frmwrk.h>
+
+static void TX(char c) { _DBC(c); }
+void install_min_serial() { HAL_min_serial_out = &TX; }
+
+#if DISABLED(DYNAMIC_VECTORTABLE)
+extern "C" {
+  __attribute__((naked)) void JumpHandler_ASM() {
+    __asm__ __volatile__ (
+      "b CommonHandler_ASM\n"
+    );
+  }
+  void __attribute__((naked, alias("JumpHandler_ASM"))) HardFault_Handler();
+  void __attribute__((naked, alias("JumpHandler_ASM"))) BusFault_Handler();
+  void __attribute__((naked, alias("JumpHandler_ASM"))) UsageFault_Handler();
+  void __attribute__((naked, alias("JumpHandler_ASM"))) MemManage_Handler();
+  void __attribute__((naked, alias("JumpHandler_ASM"))) NMI_Handler();
+}
+#endif
+
+#endif // POSTMORTEM_DEBUGGING
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/Servo.h

@@ -0,0 +1,69 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * servo.h - Interrupt driven Servo library for Arduino using 16 bit timers- Version 2
+ * Copyright (c) 2009 Michael Margolis.  All right reserved.
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Lesser General Public
+ * License as published by the Free Software Foundation; either
+ * version 2.1 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Lesser General Public License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
+ */
+#pragma once
+
+/**
+ * Based on "servo.h - Interrupt driven Servo library for Arduino using 16 bit timers -
+ *           Version 2 Copyright (c) 2009 Michael Margolis.  All right reserved.
+ *
+ * The only modification was to update/delete macros to match the LPC176x.
+ */
+
+#include <Servo.h>
+
+class libServo: public Servo {
+  public:
+  void move(const int value) {
+    constexpr uint16_t servo_delay[] = SERVO_DELAY;
+    static_assert(COUNT(servo_delay) == NUM_SERVOS, "SERVO_DELAY must be an array NUM_SERVOS long.");
+
+    if (attach(servo_info[servoIndex].Pin.nbr) >= 0) {    // try to reattach
+      write(value);
+      safe_delay(servo_delay[servoIndex]); // delay to allow servo to reach position
+      TERN_(DEACTIVATE_SERVOS_AFTER_MOVE, detach());
+    }
+
+  }
+};
+
+class libServo;
+typedef libServo hal_servo_t;

Marlin/src/HAL/LPC4078/SoftwareSPI.cpp

@@ -0,0 +1,47 @@
+#ifdef TARGET_LPC4078
+
+#include <Arduino.h>
+#include "SoftwareSPI.h"
+
+#include <mcu_interface.h>
+
+uint8_t swSpiTransfer(uint8_t b, const uint8_t spi_speed, const pin_t sck_pin, const pin_t miso_pin, const pin_t mosi_pin) {
+  for (uint8_t i = 0; i < 8; i++) {
+    if (spi_speed == 0) {
+      MCUI::gpio_set(mosi_pin, !!(b & 0x80));
+      MCUI::gpio_set(sck_pin, HIGH);
+      b <<= 1;
+      if (miso_pin >= 0 && MCUI::gpio_get(miso_pin)) b |= 1;
+      MCUI::gpio_set(sck_pin, LOW);
+    }
+    else {
+      const uint8_t state = (b & 0x80) ? HIGH : LOW;
+      for (uint8_t j = 0; j < spi_speed; j++)
+        MCUI::gpio_set(mosi_pin, state);
+
+      for (uint8_t j = 0; j < spi_speed + (miso_pin >= 0 ? 0 : 1); j++)
+        MCUI::gpio_set(sck_pin, HIGH);
+
+      b <<= 1;
+      if (miso_pin >= 0 && MCUI::gpio_get(miso_pin)) b |= 1;
+
+      for (uint8_t j = 0; j < spi_speed; j++)
+        MCUI::gpio_set(sck_pin, LOW);
+    }
+  }
+  return b;
+}
+
+void swSpiBegin(const pin_t sck_pin, const pin_t miso_pin, const pin_t mosi_pin) {
+  pinMode(sck_pin, OUTPUT);
+  if (MCUI::pin_is_valid(miso_pin)) pinMode(miso_pin, INPUT);
+  pinMode(mosi_pin, OUTPUT);
+}
+
+uint8_t swSpiInit(const uint8_t spiRate, const pin_t sck_pin, const pin_t mosi_pin) {
+  MCUI::gpio_set(mosi_pin, HIGH);
+  MCUI::gpio_set(sck_pin, LOW);
+  return (SystemCoreClock == 120000000 ? 44 : 38) / std::pow(2, 6 - std::min(spiRate, (uint8_t)6));
+}
+
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/SoftwareSPI.h

@@ -0,0 +1,5 @@
+#include <mcu_interface.h>
+
+uint8_t swSpiTransfer(uint8_t b, const uint8_t spi_speed, const pin_t sck_pin, const pin_t miso_pin, const pin_t mosi_pin);
+void swSpiBegin(const pin_t sck_pin, const pin_t miso_pin, const pin_t mosi_pin);
+uint8_t swSpiInit(const uint8_t spiRate, const pin_t sck_pin, const pin_t mosi_pin);

Marlin/src/HAL/LPC4078/eeprom_internal.cpp

@@ -0,0 +1,116 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#ifdef TARGET_LPC4078
+
+/**
+ * Emulate EEPROM storage using Flash Memory
+ *
+ * Use a single 32K flash sector to store EEPROM data. To reduce the
+ * number of erase operations a simple "leveling" scheme is used that
+ * maintains a number of EEPROM "slots" within the larger flash sector.
+ * Each slot is used in turn and the entire sector is only erased when all
+ * slots have been used.
+ *
+ * A simple RAM image is used to hold the EEPROM data during I/O operations
+ * and this is flushed to the next available slot when an update is complete.
+ * If RAM usage becomes an issue we could store this image in one of the two
+ * 16Kb I/O buffers (intended to hold DMA USB and Ethernet data, but currently
+ * unused).
+ */
+#include "../../inc/MarlinConfig.h"
+
+#include "../shared/eeprom_api.h"
+
+//#include <cstdio>
+
+#ifndef MARLIN_EEPROM_SIZE
+  #define MARLIN_EEPROM_SIZE 4032 // 4KB
+#endif
+
+size_t PersistentStore::capacity() { return 4032; }
+
+constexpr uint32_t page_size = MCUI::EEPROM::page_size;
+uint32_t buffered_page = 0;
+uint8_t page_buffer[page_size];
+bool buffered_page_dirty = false;
+
+bool PersistentStore::access_start() {
+  MCUI::EEPROM::init();
+  MCUI::EEPROM::read_page(buffered_page, page_buffer, page_size);
+  return true;
+}
+
+bool PersistentStore::access_finish() {
+  if (buffered_page_dirty) {
+    MCUI::EEPROM::write_page(buffered_page, page_buffer, page_size);
+  }
+  return true;
+}
+
+bool PersistentStore::write_data(int &pos, const uint8_t *value, size_t size, uint16_t *crc) {
+  uint32_t address = pos;
+  //printf("Marlin::eeprom::write(pos = %d, size = %d)\n", pos, size);
+  uint32_t value_index = 0;
+  for (uint32_t addr = address; addr < address + size; ++addr) {
+    uint32_t page_address = addr & 0xFFFFFFC0;
+    if (page_address != buffered_page) {
+      //printf("Marlin::eeprom::write(@%ld):: page change new(%ld) != current(%d)\n",addr, page_address, buffered_page);
+      if (buffered_page_dirty == true) MCUI::EEPROM::write_page(buffered_page, page_buffer, page_size);
+      buffered_page = page_address;
+      buffered_page_dirty = false;
+      MCUI::EEPROM::read_page(buffered_page, page_buffer, page_size);
+    }
+    page_buffer[addr & ~0xFFFFFFC0] = value[value_index++];
+    buffered_page_dirty = true;
+  }
+
+  pos += size;
+  crc16(crc, value, size);
+
+  return false;  // return true for any error
+}
+
+bool PersistentStore::read_data(int &pos, uint8_t *value, size_t size, uint16_t *crc, const bool writing/*=true*/) {
+  uint32_t address = pos;
+  //printf("Marlin::eeprom::read(pos = %d, size = %d, writing = %d)\n", pos, size, writing);
+  uint32_t value_index = 0;
+  for (uint32_t addr = address; addr < address + size; ++addr) {
+    uint32_t page_address = addr & 0xFFFFFFC0;
+    if (page_address != buffered_page) {
+      if (buffered_page_dirty) {
+        MCUI::EEPROM::write_page(buffered_page, page_buffer, page_size);
+        buffered_page_dirty = false;
+      }
+      buffered_page = page_address;
+      MCUI::EEPROM::read_page(buffered_page, page_buffer, page_size);
+    }
+    if (writing) value[value_index++] = page_buffer[addr & ~0xFFFFFFC0];
+    else crc16(crc, &page_buffer[addr & ~0xFFFFFFC0], 1);
+  }
+
+  if (writing) crc16(crc, value, size);
+  pos += size;
+
+  return false;  // return true for any error
+}
+
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/endstop_interrupts.h

@@ -0,0 +1,191 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * Endstop Interrupts
+ *
+ * Without endstop interrupts the endstop pins must be polled continually in
+ * the temperature-ISR via endstops.update(), most of the time finding no change.
+ * With this feature endstops.update() is called only when we know that at
+ * least one endstop has changed state, saving valuable CPU cycles.
+ *
+ * This feature only works when all used endstop pins can generate an 'external interrupt'.
+ *
+ * Test whether pins issue interrupts on your board by flashing 'pin_interrupt_test.ino'.
+ * (Located in Marlin/buildroot/share/pin_interrupt_test/pin_interrupt_test.ino)
+ */
+
+#include "../../module/endstops.h"
+
+// One ISR for all EXT-Interrupts
+void endstop_ISR() { endstops.update(); }
+
+void setup_endstop_interrupts() {
+  #define _ATTACH(P) attachInterrupt(digitalPinToInterrupt(P), endstop_ISR, CHANGE)
+  #define LPC1768_PIN_INTERRUPT_M(pin) ((pin >> 0x5 & 0x7) == 0 || (pin >> 0x5 & 0x7) == 2)
+
+  #if HAS_X_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(X_MAX_PIN)
+      #error "X_MAX_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(X_MAX_PIN);
+  #endif
+  #if HAS_X_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(X_MIN_PIN)
+      #error "X_MIN_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(X_MIN_PIN);
+  #endif
+  #if HAS_Y_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(Y_MAX_PIN)
+      #error "Y_MAX_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(Y_MAX_PIN);
+  #endif
+  #if HAS_Y_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(Y_MIN_PIN)
+      #error "Y_MIN_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(Y_MIN_PIN);
+  #endif
+  #if HAS_Z_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(Z_MAX_PIN)
+      #error "Z_MAX_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(Z_MAX_PIN);
+  #endif
+  #if HAS_Z_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(Z_MIN_PIN)
+      #error "Z_MIN_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+     _ATTACH(Z_MIN_PIN);
+  #endif
+  #if HAS_Z2_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(Z2_MAX_PIN)
+      #error "Z2_MAX_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(Z2_MAX_PIN);
+  #endif
+  #if HAS_Z2_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(Z2_MIN_PIN)
+      #error "Z2_MIN_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(Z2_MIN_PIN);
+  #endif
+  #if HAS_Z3_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(Z3_MAX_PIN)
+      #error "Z3_MIN_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(Z3_MAX_PIN);
+  #endif
+  #if HAS_Z3_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(Z3_MIN_PIN)
+      #error "Z3_MIN_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(Z3_MIN_PIN);
+  #endif
+  #if HAS_Z4_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(Z4_MAX_PIN)
+      #error "Z4_MIN_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(Z4_MAX_PIN);
+  #endif
+  #if HAS_Z4_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(Z4_MIN_PIN)
+      #error "Z4_MIN_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(Z4_MIN_PIN);
+  #endif
+  #if HAS_Z_MIN_PROBE_PIN
+    #if !LPC1768_PIN_INTERRUPT_M(Z_MIN_PROBE_PIN)
+      #error "Z_MIN_PROBE_PIN is not INTERRUPT-capable. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(Z_MIN_PROBE_PIN);
+  #endif
+  #if HAS_I_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(I_MAX_PIN)
+      #error "I_MAX_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(I_MAX_PIN);
+  #elif HAS_I_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(I_MIN_PIN)
+      #error "I_MIN_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(I_MIN_PIN);
+  #endif
+  #if HAS_J_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(J_MAX_PIN)
+      #error "J_MAX_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(J_MAX_PIN);
+  #elif HAS_J_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(J_MIN_PIN)
+      #error "J_MIN_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(J_MIN_PIN);
+  #endif
+  #if HAS_K_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(K_MAX_PIN)
+      #error "K_MAX_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(K_MAX_PIN);
+  #elif HAS_K_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(K_MIN_PIN)
+      #error "K_MIN_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(K_MIN_PIN);
+  #endif
+  #if HAS_U_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(U_MAX_PIN)
+      #error "U_MAX_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(U_MAX_PIN);
+  #elif HAS_U_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(U_MIN_PIN)
+      #error "U_MIN_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(U_MIN_PIN);
+  #endif
+  #if HAS_V_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(V_MAX_PIN)
+      #error "V_MAX_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(V_MAX_PIN);
+  #elif HAS_V_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(V_MIN_PIN)
+      #error "V_MIN_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(V_MIN_PIN);
+  #endif
+  #if HAS_W_MAX
+    #if !LPC1768_PIN_INTERRUPT_M(W_MAX_PIN)
+      #error "W_MAX_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(W_MAX_PIN);
+  #elif HAS_W_MIN
+    #if !LPC1768_PIN_INTERRUPT_M(W_MIN_PIN)
+      #error "W_MIN_PIN is not INTERRUPT-capable."
+    #endif
+    _ATTACH(W_MIN_PIN);
+  #endif
+}

Marlin/src/HAL/LPC4078/fast_pwm.cpp

@@ -0,0 +1,37 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#ifdef TARGET_LPC4078
+
+#include "../../inc/MarlinConfig.h"
+#include <mcu_interface.h>
+
+void MarlinHAL::set_pwm_duty(const pin_t pin, const uint16_t v, const uint16_t v_size/*=255*/, const bool invert/*=false*/) {
+  if (!MCUI::pin_is_valid(pin)) return;
+  if (MCUI::pwm_attach_pin(pin))
+    MCUI::pwm_write_ratio(pin, invert ? 1.0f - (float)v / v_size : (float)v / v_size);  // map 1-254 onto PWM range
+}
+
+void MarlinHAL::set_pwm_frequency(const pin_t pin, const uint16_t f_desired) {
+  MCUI::pwm_set_frequency(pin, f_desired);
+}
+
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/fastio.h

@@ -0,0 +1,120 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * Fast I/O Routines for LPC1768/9
+ * Use direct port manipulation to save scads of processor time.
+ * Contributed by Triffid_Hunter and modified by Kliment, thinkyhead, Bob-the-Kuhn, et.al.
+ */
+
+/**
+ * Description: Fast IO functions LPC1768
+ *
+ * For TARGET LPC1768
+ */
+
+#include "../shared/Marduino.h"
+#include <mcu_interface.h>
+
+#define PWM_PIN(P)            true // all pins are software PWM capable
+
+#define LPC_PIN(pin)          MCUI::gpio_pin(pin)
+#define LPC_GPIO(port)        MCUI::gpio_port(port)
+
+#define SET_DIR_INPUT(IO)     MCUI::gpio_set_input(IO)
+#define SET_DIR_OUTPUT(IO)    MCUI::gpio_set_output(IO)
+
+#define SET_MODE(IO, mode)    pinMode(IO, mode)
+
+#define WRITE_PIN_SET(IO)     MCUI::gpio_set(IO)
+#define WRITE_PIN_CLR(IO)     MCUI::gpio_clear(IO)
+
+#define READ_PIN(IO)          MCUI::gpio_get(IO)
+#define WRITE_PIN(IO,V)       MCUI::gpio_set(IO, V)
+
+/**
+ * Magic I/O routines
+ *
+ * Now you can simply SET_OUTPUT(STEP); WRITE(STEP, HIGH); WRITE(STEP, LOW);
+ *
+ * Why double up on these macros? see https://gcc.gnu.org/onlinedocs/gcc-4.8.5/cpp/Stringification.html
+ */
+
+/// Read a pin
+#define _READ(IO)             READ_PIN(IO)
+
+/// Write to a pin
+#define _WRITE(IO,V)          WRITE_PIN(IO,V)
+
+/// toggle a pin
+#define _TOGGLE(IO)           MCUI::gpio_toggle(IO)
+
+/// set pin as input
+#define _SET_INPUT(IO)        SET_DIR_INPUT(IO)
+
+/// set pin as output
+#define _SET_OUTPUT(IO)       SET_DIR_OUTPUT(IO)
+
+/// set pin as input with pullup mode
+#define _PULLUP(IO,V)         pinMode(IO, (V) ? INPUT_PULLUP : INPUT)
+
+/// set pin as input with pulldown mode
+#define _PULLDOWN(IO,V)       pinMode(IO, (V) ? INPUT_PULLDOWN : INPUT)
+
+/// check if pin is an input
+#define _IS_INPUT(IO)         (!MCUI::gpio_get_dir(IO))
+
+/// check if pin is an output
+#define _IS_OUTPUT(IO)        (MCUI::gpio_get_dir(IO))
+
+/// Read a pin wrapper
+#define READ(IO)              _READ(IO)
+
+/// Write to a pin wrapper
+#define WRITE(IO,V)           _WRITE(IO,V)
+
+/// toggle a pin wrapper
+#define TOGGLE(IO)            _TOGGLE(IO)
+
+/// set pin as input wrapper
+#define SET_INPUT(IO)         _SET_INPUT(IO)
+/// set pin as input with pullup wrapper
+#define SET_INPUT_PULLUP(IO)  do{ _SET_INPUT(IO); _PULLUP(IO, HIGH); }while(0)
+/// set pin as input with pulldown wrapper
+#define SET_INPUT_PULLDOWN(IO) do{ _SET_INPUT(IO); _PULLDOWN(IO, HIGH); }while(0)
+/// set pin as output wrapper  -  reads the pin and sets the output to that value
+#define SET_OUTPUT(IO)        do{ _WRITE(IO, _READ(IO)); _SET_OUTPUT(IO); }while(0)
+// set pin as PWM
+#define SET_PWM               SET_OUTPUT
+
+/// check if pin is an input wrapper
+#define IS_INPUT(IO)          _IS_INPUT(IO)
+/// check if pin is an output wrapper
+#define IS_OUTPUT(IO)         _IS_OUTPUT(IO)
+
+// Shorthand
+#define OUT_WRITE(IO,V)       do{ SET_OUTPUT(IO); WRITE(IO,V); }while(0)
+
+// digitalRead/Write wrappers
+#define extDigitalRead(IO)    digitalRead(IO)
+#define extDigitalWrite(IO,V) digitalWrite(IO,V)

Marlin/src/HAL/LPC4078/inc/Conditionals_LCD.h

@@ -0,0 +1,22 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once

Marlin/src/HAL/LPC4078/inc/Conditionals_adv.h

@@ -0,0 +1,26 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#if DISABLED(NO_SD_HOST_DRIVE)
+  #define HAS_SD_HOST_DRIVE 1
+#endif

Marlin/src/HAL/LPC4078/inc/Conditionals_post.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 <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#if USE_FALLBACK_EEPROM
+  #define FLASH_EEPROM_EMULATION
+#elif ANY(I2C_EEPROM, SPI_EEPROM)
+  #define USE_SHARED_EEPROM 1
+#endif
+
+// LPC1768 boards seem to lose steps when saving to EEPROM during print (issue #20785)
+// TODO: Which other boards are incompatible?
+#if defined(MCU_LPC1768) && ENABLED(FLASH_EEPROM_EMULATION) && PRINTCOUNTER_SAVE_INTERVAL > 0
+  #define PRINTCOUNTER_SYNC 1
+#endif

Marlin/src/HAL/LPC4078/inc/Conditionals_type.h

@@ -0,0 +1,22 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2024 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once

Marlin/src/HAL/LPC4078/inc/SanityCheck.h

@@ -0,0 +1,276 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+// #if PIO_PLATFORM_VERSION < 1001
+//   #error "nxplpc-arduino-lpc176x package is out of date, Please update the PlatformIO platforms, frameworks and libraries. You may need to remove the platform and let it reinstall automatically."
+// #endif
+// #if PIO_FRAMEWORK_VERSION < 2006
+//   #error "framework-arduino-lpc176x package is out of date, Please update the PlatformIO platforms, frameworks and libraries."
+// #endif
+
+/**
+ * Detect an old pins file by checking for old ADC pins values.
+ */
+#define _OLD_TEMP_PIN(P) PIN_EXISTS(P) && _CAT(P,_PIN) <= 7 && !WITHIN(_CAT(P,_PIN), TERN(LPC1768_IS_SKRV1_3, 0, 2), 3)  // Include P0_00 and P0_01 for SKR V1.3 board
+#if _OLD_TEMP_PIN(TEMP_BED)
+  #error "TEMP_BED_PIN must be defined using the Pn_nn or Pn_nn_An format. (See the included pins files)."
+#elif _OLD_TEMP_PIN(TEMP_0)
+  #error "TEMP_0_PIN must be defined using the Pn_nn or Pn_nn_An format. (See the included pins files)."
+#elif _OLD_TEMP_PIN(TEMP_1)
+  #error "TEMP_1_PIN must be defined using the Pn_nn or Pn_nn_An format. (See the included pins files)."
+#elif _OLD_TEMP_PIN(TEMP_2)
+  #error "TEMP_2_PIN must be defined using the Pn_nn or Pn_nn_An format. (See the included pins files)."
+#elif _OLD_TEMP_PIN(TEMP_3)
+  #error "TEMP_3_PIN must be defined using the Pn_nn or Pn_nn_An format. (See the included pins files)."
+#elif _OLD_TEMP_PIN(TEMP_4)
+  #error "TEMP_4_PIN must be defined using the Pn_nn or Pn_nn_An format. (See the included pins files)."
+#elif _OLD_TEMP_PIN(TEMP_5)
+  #error "TEMP_5_PIN must be defined using the Pn_nn or Pn_nn_An format. (See the included pins files)."
+#elif _OLD_TEMP_PIN(TEMP_6)
+  #error "TEMP_6_PIN must be defined using the Pn_nn or Pn_nn_An format. (See the included pins files)."
+#elif _OLD_TEMP_PIN(TEMP_7)
+  #error "TEMP_7_PIN must be defined using the Pn_nn or Pn_nn_An format. (See the included pins files)."
+#endif
+#undef _OLD_TEMP_PIN
+
+/**
+ * Because PWM hardware channels all share the same frequency, along with the
+ * fallback software channels, FAST_PWM_FAN is incompatible with Servos.
+ */
+static_assert(!(NUM_SERVOS && ENABLED(FAST_PWM_FAN)), "BLTOUCH and Servos are incompatible with FAST_PWM_FAN on LPC176x boards.");
+
+#if SPINDLE_LASER_FREQUENCY
+  static_assert(!NUM_SERVOS, "BLTOUCH and Servos are incompatible with SPINDLE_LASER_FREQUENCY on LPC176x boards.");
+#endif
+
+/**
+ * Test LPC176x-specific configuration values for errors at compile-time.
+ */
+
+//#if ENABLED(SPINDLE_LASER_USE_PWM) && !(SPINDLE_LASER_PWM_PIN == 4 || SPINDLE_LASER_PWM_PIN == 6 || SPINDLE_LASER_PWM_PIN == 11)
+//  #error "SPINDLE_LASER_PWM_PIN must use SERVO0, SERVO1 or SERVO3 connector"
+//#endif
+
+#if MB(RAMPS_14_RE_ARM_EFB, RAMPS_14_RE_ARM_EEB, RAMPS_14_RE_ARM_EFF, RAMPS_14_RE_ARM_EEF, RAMPS_14_RE_ARM_SF)
+  #if IS_RRD_FG_SC && HAS_DRIVER(TMC2130) && DISABLED(TMC_USE_SW_SPI)
+    #error "Re-ARM with REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER and TMC2130 requires TMC_USE_SW_SPI."
+  #endif
+#endif
+
+static_assert(DISABLED(BAUD_RATE_GCODE), "BAUD_RATE_GCODE is not yet supported on LPC176x.");
+
+/**
+ * Flag any serial port conflicts
+ *
+ *   Port  |  TX   |  RX   |
+ *    ---  |  ---  |  ---  |
+ * Serial  | P0_02 | P0_03 |
+ * Serial1 | P0_15 | P0_16 |
+ * Serial2 | P0_10 | P0_11 |
+ * Serial3 | P0_00 | P0_01 |
+ */
+#define ANY_TX(N,V...) DO(IS_TX##N,||,V)
+#define ANY_RX(N,V...) DO(IS_RX##N,||,V)
+
+#if USING_HW_SERIAL0
+  #define IS_TX0(P) (P == P0_02)
+  #define IS_RX0(P) (P == P0_03)
+  #if IS_TX0(TMC_SW_MISO) || IS_RX0(TMC_SW_MOSI)
+    #error "Serial port pins (0) conflict with Trinamic SPI pins!"
+  #elif HAS_PRUSA_MMU1 && (IS_TX0(E_MUX1_PIN) || IS_RX0(E_MUX0_PIN))
+    #error "Serial port pins (0) conflict with Multi-Material-Unit multiplexer pins!"
+  #elif (AXIS_HAS_SPI(X) && IS_TX0(X_CS_PIN)) || (AXIS_HAS_SPI(Y) && IS_RX0(Y_CS_PIN))
+    #error "Serial port pins (0) conflict with X/Y axis SPI pins!"
+  #endif
+  #undef IS_TX0
+  #undef IS_RX0
+#endif
+
+#if USING_HW_SERIAL1
+  #define IS_TX1(P) (P == P0_15)
+  #define IS_RX1(P) (P == P0_16)
+  #define _IS_TX1_1 IS_TX1
+  #define _IS_RX1_1 IS_RX1
+  #if IS_TX1(TMC_SW_SCK)
+    #error "Serial port pins (1) conflict with other pins!"
+  #elif HAS_ROTARY_ENCODER
+    #if IS_TX1(BTN_EN2) || IS_RX1(BTN_EN1)
+      #error "Serial port pins (1) conflict with Encoder Buttons!"
+    #elif ANY_TX(1, SD_SCK_PIN, LCD_PINS_D4, DOGLCD_SCK, LCD_RESET_PIN, LCD_PINS_RS, SHIFT_CLK_PIN) \
+       || ANY_RX(1, LCD_SDSS, LCD_PINS_RS, SD_MISO_PIN, DOGLCD_A0, SD_SS_PIN, LCD_SDSS, DOGLCD_CS, LCD_RESET_PIN, LCD_BACKLIGHT_PIN)
+      #error "Serial port pins (1) conflict with LCD pins!"
+    #endif
+  #endif
+  #undef IS_TX1
+  #undef IS_RX1
+  #undef _IS_TX1_1
+  #undef _IS_RX1_1
+#endif
+
+#if USING_HW_SERIAL2
+  #define IS_TX2(P) (P == P0_10)
+  #define IS_RX2(P) (P == P0_11)
+  #define _IS_TX2_1 IS_TX2
+  #define _IS_RX2_1 IS_RX2
+  #if IS_TX2(X2_ENABLE_PIN) || ANY_RX(2, X2_DIR_PIN, X2_STEP_PIN) || (AXIS_HAS_SPI(X2) && IS_TX2(X2_CS_PIN))
+    #error "Serial port pins (2) conflict with X2 pins!"
+  #elif IS_TX2(Y2_ENABLE_PIN) || ANY_RX(2, Y2_DIR_PIN, Y2_STEP_PIN) || (AXIS_HAS_SPI(Y2) && IS_TX2(Y2_CS_PIN))
+    #error "Serial port pins (2) conflict with Y2 pins!"
+  #elif IS_TX2(Z2_ENABLE_PIN) || ANY_RX(2, Z2_DIR_PIN, Z2_STEP_PIN) || (AXIS_HAS_SPI(Z2) && IS_TX2(Z2_CS_PIN))
+    #error "Serial port pins (2) conflict with Z2 pins!"
+  #elif IS_TX2(Z3_ENABLE_PIN) || ANY_RX(2, Z3_DIR_PIN, Z3_STEP_PIN) || (AXIS_HAS_SPI(Z3) && IS_TX2(Z3_CS_PIN))
+    #error "Serial port pins (2) conflict with Z3 pins!"
+  #elif IS_TX2(Z4_ENABLE_PIN) || ANY_RX(2, Z4_DIR_PIN, Z4_STEP_PIN) || (AXIS_HAS_SPI(Z4) && IS_TX2(Z4_CS_PIN))
+    #error "Serial port pins (2) conflict with Z4 pins!"
+  #elif ANY_RX(2, X_DIR_PIN, Y_DIR_PIN)
+    #error "Serial port pins (2) conflict with other pins!"
+  #elif Y_HOME_TO_MIN && IS_TX2(Y_STOP_PIN)
+    #error "Serial port pins (2) conflict with Y endstop pin!"
+  #elif USES_Z_MIN_PROBE_PIN && IS_TX2(Z_MIN_PROBE_PIN)
+    #error "Serial port pins (2) conflict with probe pin!"
+  #elif ANY_TX(2, X_ENABLE_PIN, Y_ENABLE_PIN) || ANY_RX(2, X_DIR_PIN, Y_DIR_PIN)
+    #error "Serial port pins (2) conflict with X/Y stepper pins!"
+  #elif HAS_MULTI_EXTRUDER && (IS_TX2(E1_ENABLE_PIN) || (AXIS_HAS_SPI(E1) && IS_TX2(E1_CS_PIN)))
+    #error "Serial port pins (2) conflict with E1 stepper pins!"
+  #elif EXTRUDERS && ANY_RX(2, E0_DIR_PIN, E0_STEP_PIN)
+    #error "Serial port pins (2) conflict with E stepper pins!"
+  #endif
+  #undef IS_TX2
+  #undef IS_RX2
+  #undef _IS_TX2_1
+  #undef _IS_RX2_1
+#endif
+
+#if USING_HW_SERIAL3
+  #define PIN_IS_TX3(P) (PIN_EXISTS(P) && P##_PIN == P0_00)
+  #define PIN_IS_RX3(P) (P##_PIN == P0_01)
+  #if PIN_IS_TX3(X_MIN) || PIN_IS_RX3(X_MAX)
+    #error "Serial port pins (3) conflict with X endstop pins!"
+  #elif PIN_IS_TX3(Y_SERIAL_TX) || PIN_IS_TX3(Y_SERIAL_RX) || PIN_IS_RX3(X_SERIAL_TX) || PIN_IS_RX3(X_SERIAL_RX)
+    #error "Serial port pins (3) conflict with X/Y axis UART pins!"
+  #elif PIN_IS_TX3(X2_DIR) || PIN_IS_RX3(X2_STEP)
+    #error "Serial port pins (3) conflict with X2 pins!"
+  #elif PIN_IS_TX3(Y2_DIR) || PIN_IS_RX3(Y2_STEP)
+    #error "Serial port pins (3) conflict with Y2 pins!"
+  #elif PIN_IS_TX3(Z2_DIR) || PIN_IS_RX3(Z2_STEP)
+    #error "Serial port pins (3) conflict with Z2 pins!"
+  #elif PIN_IS_TX3(Z3_DIR) || PIN_IS_RX3(Z3_STEP)
+    #error "Serial port pins (3) conflict with Z3 pins!"
+  #elif PIN_IS_TX3(Z4_DIR) || PIN_IS_RX3(Z4_STEP)
+    #error "Serial port pins (3) conflict with Z4 pins!"
+  #elif HAS_MULTI_EXTRUDER && (PIN_IS_TX3(E1_DIR) || PIN_IS_RX3(E1_STEP))
+    #error "Serial port pins (3) conflict with E1 pins!"
+  #endif
+  #undef PIN_IS_TX3
+  #undef PIN_IS_RX3
+#endif
+
+#undef ANY_TX
+#undef ANY_RX
+
+//
+// Flag any i2c pin conflicts
+//
+#if ANY(HAS_MOTOR_CURRENT_I2C, HAS_MOTOR_CURRENT_DAC, EXPERIMENTAL_I2CBUS, I2C_POSITION_ENCODERS, PCA9632, I2C_EEPROM)
+  #define USEDI2CDEV_M 1  // <Arduino>/Wire.cpp
+
+  #if USEDI2CDEV_M == 0         // P0_27 [D57] (AUX-1) .......... P0_28 [D58] (AUX-1)
+    #define PIN_IS_SDA0(P) (P##_PIN == P0_27)
+    #define IS_SCL0(P)     (P == P0_28)
+    #if ENABLED(SDSUPPORT) && PIN_IS_SDA0(SD_DETECT)
+      #error "SDA0 overlaps with SD_DETECT_PIN!"
+    #elif PIN_IS_SDA0(E0_AUTO_FAN)
+      #error "SDA0 overlaps with E0_AUTO_FAN_PIN!"
+    #elif PIN_IS_SDA0(BEEPER)
+      #error "SDA0 overlaps with BEEPER_PIN!"
+    #elif IS_SCL0(BTN_ENC)
+      #error "SCL0 overlaps with Encoder Button!"
+    #elif IS_SCL0(SD_SS_PIN)
+      #error "SCL0 overlaps with SD_SS_PIN!"
+    #elif IS_SCL0(LCD_SDSS)
+      #error "SCL0 overlaps with LCD_SDSS!"
+    #endif
+    #undef PIN_IS_SDA0
+    #undef IS_SCL0
+  #elif USEDI2CDEV_M == 1       // P0_00 [D20] (SCA) ............ P0_01 [D21] (SCL)
+    #define PIN_IS_SDA1(P) (PIN_EXISTS(P) && P##_PIN == P0_00)
+    #define PIN_IS_SCL1(P) (P##_PIN == P0_01)
+    #if PIN_IS_SDA1(X_MIN) || PIN_IS_SCL1(X_MAX)
+      #error "One or more i2c (1) pins overlaps with X endstop pins! Disable i2c peripherals."
+    #elif PIN_IS_SDA1(X2_DIR) || PIN_IS_SCL1(X2_STEP)
+      #error "One or more i2c (1) pins overlaps with X2 pins! Disable i2c peripherals."
+    #elif PIN_IS_SDA1(Y2_DIR) || PIN_IS_SCL1(Y2_STEP)
+      #error "One or more i2c (1) pins overlaps with Y2 pins! Disable i2c peripherals."
+    #elif PIN_IS_SDA1(Z2_DIR) || PIN_IS_SCL1(Z2_STEP)
+      #error "One or more i2c (1) pins overlaps with Z2 pins! Disable i2c peripherals."
+    #elif PIN_IS_SDA1(Z3_DIR) || PIN_IS_SCL1(Z3_STEP)
+      #error "One or more i2c (1) pins overlaps with Z3 pins! Disable i2c peripherals."
+    #elif PIN_IS_SDA1(Z4_DIR) || PIN_IS_SCL1(Z4_STEP)
+      #error "One or more i2c (1) pins overlaps with Z4 pins! Disable i2c peripherals."
+    #elif HAS_MULTI_EXTRUDER && (PIN_IS_SDA1(E1_DIR) || PIN_IS_SCL1(E1_STEP))
+      #error "One or more i2c (1) pins overlaps with E1 pins! Disable i2c peripherals."
+    #endif
+    #undef PIN_IS_SDA1
+    #undef PIN_IS_SCL1
+  #elif USEDI2CDEV_M == 2     // P0_10 [D38] (X_ENABLE_PIN) ... P0_11 [D55] (X_DIR_PIN)
+    #define PIN_IS_SDA2(P) (P##_PIN == P0_10)
+    #define PIN_IS_SCL2(P) (P##_PIN == P0_11)
+    #if PIN_IS_SDA2(Y_STOP)
+      #error "i2c SDA2 overlaps with Y endstop pin!"
+    #elif USES_Z_MIN_PROBE_PIN && PIN_IS_SDA2(Z_MIN_PROBE)
+      #error "i2c SDA2 overlaps with Z probe pin!"
+    #elif PIN_IS_SDA2(X_ENABLE) || PIN_IS_SDA2(Y_ENABLE)
+      #error "i2c SDA2 overlaps with X/Y ENABLE pin!"
+    #elif AXIS_HAS_SPI(X) && PIN_IS_SDA2(X_CS)
+      #error "i2c SDA2 overlaps with X CS pin!"
+    #elif PIN_IS_SDA2(X2_ENABLE)
+      #error "i2c SDA2 overlaps with X2 enable pin! Disable i2c peripherals."
+    #elif PIN_IS_SDA2(Y2_ENABLE)
+      #error "i2c SDA2 overlaps with Y2 enable pin! Disable i2c peripherals."
+    #elif PIN_IS_SDA2(Z2_ENABLE)
+      #error "i2c SDA2 overlaps with Z2 enable pin! Disable i2c peripherals."
+    #elif PIN_IS_SDA2(Z3_ENABLE)
+      #error "i2c SDA2 overlaps with Z3 enable pin! Disable i2c peripherals."
+    #elif PIN_IS_SDA2(Z4_ENABLE)
+      #error "i2c SDA2 overlaps with Z4 enable pin! Disable i2c peripherals."
+    #elif HAS_MULTI_EXTRUDER && PIN_IS_SDA2(E1_ENABLE)
+      #error "i2c SDA2 overlaps with E1 enable pin! Disable i2c peripherals."
+    #elif HAS_MULTI_EXTRUDER && AXIS_HAS_SPI(E1) && PIN_IS_SDA2(E1_CS)
+      #error "i2c SDA2 overlaps with E1 CS pin! Disable i2c peripherals."
+    #elif EXTRUDERS && (PIN_IS_SDA2(E0_STEP) || PIN_IS_SDA2(E0_DIR))
+      #error "i2c SCL2 overlaps with E0 STEP/DIR pin! Disable i2c peripherals."
+    #elif PIN_IS_SDA2(X_DIR) || PIN_IS_SDA2(Y_DIR)
+      #error "One or more i2c pins overlaps with X/Y DIR pin! Disable i2c peripherals."
+    #endif
+    #undef PIN_IS_SDA2
+    #undef PIN_IS_SCL2
+  #endif
+
+  #undef USEDI2CDEV_M
+#endif
+
+#if ENABLED(SERIAL_STATS_MAX_RX_QUEUED)
+  #error "SERIAL_STATS_MAX_RX_QUEUED is not supported on LPC176x."
+#elif ENABLED(SERIAL_STATS_DROPPED_RX)
+  #error "SERIAL_STATS_DROPPED_RX is not supported on LPX176x."
+#endif

Marlin/src/HAL/LPC4078/include/SPI.h

@@ -0,0 +1,209 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include "../../shared/HAL_SPI.h"
+
+#include <stdint.h>
+#include <mcu_interface.h>
+
+//#define MSBFIRST 1
+
+#define SPI_MODE0 0
+#define SPI_MODE1 1
+#define SPI_MODE2 2
+#define SPI_MODE3 3
+
+#define SSP_CR0_DSS(n)  ((uint32_t)((n-1)&0xF))
+#define SSP_DATABIT_4		SSP_CR0_DSS(4) 			/*!< Databit number = 4 */
+#define SSP_DATABIT_5		SSP_CR0_DSS(5) 			/*!< Databit number = 5 */
+#define SSP_DATABIT_6		SSP_CR0_DSS(6) 			/*!< Databit number = 6 */
+#define SSP_DATABIT_7		SSP_CR0_DSS(7) 			/*!< Databit number = 7 */
+#define SSP_DATABIT_8		SSP_CR0_DSS(8) 			/*!< Databit number = 8 */
+#define SSP_DATABIT_9		SSP_CR0_DSS(9) 			/*!< Databit number = 9 */
+#define SSP_DATABIT_10		SSP_CR0_DSS(10) 		/*!< Databit number = 10 */
+#define SSP_DATABIT_11		SSP_CR0_DSS(11) 		/*!< Databit number = 11 */
+#define SSP_DATABIT_12		SSP_CR0_DSS(12) 		/*!< Databit number = 12 */
+#define SSP_DATABIT_13		SSP_CR0_DSS(13) 		/*!< Databit number = 13 */
+#define SSP_DATABIT_14		SSP_CR0_DSS(14) 		/*!< Databit number = 14 */
+#define SSP_DATABIT_15		SSP_CR0_DSS(15) 		/*!< Databit number = 15 */
+#define SSP_DATABIT_16		SSP_CR0_DSS(16) 		/*!< Databit number = 16 */
+
+#define DATA_SIZE_8BIT SSP_DATABIT_8
+#define DATA_SIZE_16BIT SSP_DATABIT_16
+
+#define SPI_CLOCK_MAX_TFT  30000000UL
+#define SPI_CLOCK_DIV2     8333333 //(SCR:  2)  desired: 8,000,000  actual: 8,333,333  +4.2%  SPI_FULL_SPEED
+#define SPI_CLOCK_DIV4     4166667 //(SCR:  5)  desired: 4,000,000  actual: 4,166,667  +4.2%  SPI_HALF_SPEED
+#define SPI_CLOCK_DIV8     2083333 //(SCR: 11)  desired: 2,000,000  actual: 2,083,333  +4.2%  SPI_QUARTER_SPEED
+#define SPI_CLOCK_DIV16    1000000 //(SCR: 24)  desired: 1,000,000  actual: 1,000,000         SPI_EIGHTH_SPEED
+#define SPI_CLOCK_DIV32     500000 //(SCR: 49)  desired:   500,000  actual:   500,000         SPI_SPEED_5
+#define SPI_CLOCK_DIV64     250000 //(SCR: 99)  desired:   250,000  actual:   250,000         SPI_SPEED_6
+#define SPI_CLOCK_DIV128    125000 //(SCR:199)  desired:   125,000  actual:   125,000         Default from HAL.h
+
+#define SPI_CLOCK_MAX SPI_CLOCK_DIV2
+
+#define BOARD_NR_SPI 3
+
+// SSP0 TMC port
+#define BOARD_SPI1_NSS_PIN      P_NC
+#define BOARD_SPI1_SCK_PIN      P1_20
+#define BOARD_SPI1_MISO_PIN     P1_23
+#define BOARD_SPI1_MOSI_PIN     P1_24
+
+// SSP2 LCD SD port
+#define BOARD_SPI2_NSS_PIN      P_NC
+#define BOARD_SPI2_SCK_PIN      P1_00
+#define BOARD_SPI2_MISO_PIN     P1_04
+#define BOARD_SPI2_MOSI_PIN     P1_01
+
+// SSP1 Onboard SD port
+#define BOARD_SPI3_NSS_PIN      P_NC
+#define BOARD_SPI3_SCK_PIN      P0_07
+#define BOARD_SPI3_MISO_PIN     P0_08
+#define BOARD_SPI3_MOSI_PIN     P0_09
+
+class SPISettings {
+public:
+  SPISettings(uint32_t spiRate, int inBitOrder, int inDataMode) {
+    init_AlwaysInline(spiRate2Clock(spiRate), inBitOrder, inDataMode, DATA_SIZE_8BIT);
+  }
+  SPISettings(uint32_t inClock, uint8_t inBitOrder, uint8_t inDataMode, uint32_t inDataSize) {
+    if (__builtin_constant_p(inClock))
+      init_AlwaysInline(inClock, inBitOrder, inDataMode, inDataSize);
+    else
+      init_MightInline(inClock, inBitOrder, inDataMode, inDataSize);
+  }
+  SPISettings() {
+    init_AlwaysInline(4000000, MSBFIRST, SPI_MODE0, DATA_SIZE_8BIT);
+  }
+
+  //uint32_t spiRate() const { return spi_speed; }
+
+  static uint32_t spiRate2Clock(uint32_t spiRate) {
+    uint32_t Marlin_speed[7]; // CPSR is always 2
+    Marlin_speed[0] = 8333333; //(SCR:  2)  desired: 8,000,000  actual: 8,333,333  +4.2%  SPI_FULL_SPEED
+    Marlin_speed[1] = 4166667; //(SCR:  5)  desired: 4,000,000  actual: 4,166,667  +4.2%  SPI_HALF_SPEED
+    Marlin_speed[2] = 2083333; //(SCR: 11)  desired: 2,000,000  actual: 2,083,333  +4.2%  SPI_QUARTER_SPEED
+    Marlin_speed[3] = 1000000; //(SCR: 24)  desired: 1,000,000  actual: 1,000,000         SPI_EIGHTH_SPEED
+    Marlin_speed[4] =  500000; //(SCR: 49)  desired:   500,000  actual:   500,000         SPI_SPEED_5
+    Marlin_speed[5] =  250000; //(SCR: 99)  desired:   250,000  actual:   250,000         SPI_SPEED_6
+    Marlin_speed[6] =  125000; //(SCR:199)  desired:   125,000  actual:   125,000         Default from HAL.h
+    return Marlin_speed[spiRate > 6 ? 6 : spiRate];
+  }
+
+private:
+  void init_MightInline(uint32_t inClock, uint8_t inBitOrder, uint8_t inDataMode, uint32_t inDataSize) {
+    init_AlwaysInline(inClock, inBitOrder, inDataMode, inDataSize);
+  }
+  void init_AlwaysInline(uint32_t inClock, uint8_t inBitOrder, uint8_t inDataMode, uint32_t inDataSize) __attribute__((__always_inline__)) {
+    clock    = inClock;
+    bitOrder = inBitOrder;
+    dataMode = inDataMode;
+    dataSize = inDataSize;
+    m_config = {};
+    m_config.frequency = 400000;
+  }
+
+  MCUI::SSP::Config m_config;
+
+  //uint32_t spi_speed;
+  uint32_t clock;
+  uint32_t dataSize;
+  //uint32_t clockDivider;
+  uint8_t bitOrder;
+  uint8_t dataMode;
+
+  uint8_t device_id;
+
+  friend class SPIClass;
+};
+
+/**
+ * @brief Wirish SPI interface.
+ *
+ * This is the same interface is available across HAL
+ *
+ * This implementation uses software slave management, so the caller
+ * is responsible for controlling the slave select line.
+ */
+class SPIClass {
+public:
+  /**
+   * @param spiPortNumber Number of the SPI port to manage.
+   */
+  SPIClass(uint8_t spiPortNumber);
+
+  /**
+   * Init using pins
+   */
+  SPIClass(pin_t mosi, pin_t miso, pin_t sclk, pin_t ssel = (pin_t)-1);
+
+  /**
+   * Select and configure the current selected SPI device to use
+   */
+  void begin();
+
+  /**
+   * Disable the current SPI device
+   */
+  void end();
+
+  void beginTransaction(const SPISettings&);
+  void endTransaction() {}
+
+  // Transfer using 1 "Data Size"
+  uint8_t transfer(uint16_t data);
+  // Transfer 2 bytes in 8 bit mode
+  uint16_t transfer16(uint16_t data);
+
+  void send(uint8_t data);
+
+  uint16_t read();
+  void read(uint8_t *buf, uint32_t len);
+
+  void dmaSend(void *buf, uint16_t length, bool minc);
+
+  /**
+   * @brief Sets the number of the SPI peripheral to be used by
+   *        this HardwareSPI instance.
+   *
+   * @param spi_num Number of the SPI port. 1-2 in low density devices
+   *     or 1-3 in high density devices.
+   */
+  void setModule(uint8_t device);
+
+  void setClock(uint32_t clock);
+  void setBitOrder(uint8_t bitOrder);
+  void setDataMode(uint8_t dataMode);
+  void setDataSize(uint32_t ds);
+
+  inline uint32_t getDataSize() { return _currentSetting->dataSize; }
+
+private:
+  SPISettings _settings[BOARD_NR_SPI];
+  SPISettings *_currentSetting;
+
+  void updateSettings();
+};
+
+extern SPIClass SPI;

Marlin/src/HAL/LPC4078/main.cpp

@@ -0,0 +1,111 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#ifdef TARGET_LPC4078
+
+#include "../../inc/MarlinConfig.h"
+#include "../../core/millis_t.h"
+#include "../../sd/cardreader.h"
+
+#include <mcu_interface.h>
+#include <driver/usb_device.h>
+
+TERN_(POSTMORTEM_DEBUGGING, extern void install_min_serial());
+
+void MarlinHAL::init() {
+
+  MCUI::pwm_init();
+
+  // Init LEDs
+  #if PIN_EXISTS(LED)
+    SET_DIR_OUTPUT(LED_PIN);
+    WRITE_PIN_CLR(LED_PIN);
+    #if PIN_EXISTS(LED2)
+      SET_DIR_OUTPUT(LED2_PIN);
+      WRITE_PIN_CLR(LED2_PIN);
+      #if PIN_EXISTS(LED3)
+        SET_DIR_OUTPUT(LED3_PIN);
+        WRITE_PIN_CLR(LED3_PIN);
+        #if PIN_EXISTS(LED4)
+          SET_DIR_OUTPUT(LED4_PIN);
+          WRITE_PIN_CLR(LED4_PIN);
+        #endif
+      #endif
+    #endif
+
+    // Flash status LED 3 times to indicate Marlin has started booting
+    for(int i = 0; i < 6; ++i) {
+      TOGGLE(LED_PIN);
+      delay(100);
+    }
+  #endif
+
+  // Init Servo Pins
+  #define INIT_SERVO(N) OUT_WRITE(SERVO##N##_PIN, LOW)
+  #if HAS_SERVO_0
+    INIT_SERVO(0);
+  #endif
+  #if HAS_SERVO_1
+    INIT_SERVO(1);
+  #endif
+  #if HAS_SERVO_2
+    INIT_SERVO(2);
+  #endif
+  #if HAS_SERVO_3
+    INIT_SERVO(3);
+  #endif
+
+  #if PIN_EXISTS(SD_SS)
+    OUT_WRITE(SD_SS_PIN, HIGH);
+  #endif
+
+  #if PIN_EXISTS(ONBOARD_SD_CS) && ONBOARD_SD_CS_PIN != SD_SS_PIN
+    OUT_WRITE(ONBOARD_SD_CS_PIN, HIGH);
+  #endif
+
+  TERN_(HAS_SD_HOST_DRIVE, MCUI::USBDevice::msc_storage_init()); // Enable USB SD card access
+  MCUI::USBDevice::connect(2000, LED_PIN);
+
+  HAL_timer_init();
+
+  TERN_(POSTMORTEM_DEBUGGING, install_min_serial()); // Install the min serial handler
+}
+
+// HAL idle task
+void MarlinHAL::idletask() {
+  #if HAS_SHARED_MEDIA
+    // If Marlin is using the SD card we need to lock it to prevent access from
+    // a PC via USB.
+    // Other HALs use IS_SD_PRINTING() and IS_SD_FILE_OPEN() to check for access but
+    // this will not reliably detect delete operations. To be safe we will lock
+    // the disk if Marlin has it mounted. Unfortunately there is currently no way
+    // to unmount the disk from the LCD menu.
+    // if (IS_SD_PRINTING() || IS_SD_FILE_OPEN())
+    if (card.isMounted())
+      MCUI::USBDevice::msc_storage_lock();
+    else
+      MCUI::USBDevice::msc_storage_release();
+  #endif
+  // Perform USB stack housekeeping
+  MCUI::USBDevice::msc_run_deferred_commands();
+}
+
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/pinsDebug.h

@@ -0,0 +1,57 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Support routines for LPC1768
+ */
+
+/**
+ * Translation of routines & variables used by pinsDebug.h
+ */
+
+#define NUMBER_PINS_TOTAL NUM_DIGITAL_PINS
+#define IS_ANALOG(P) (DIGITAL_PIN_TO_ANALOG_PIN(P) >= 0 ? 1 : 0)
+#define digitalRead_mod(p) extDigitalRead(p)
+#define PRINT_PORT(p)
+#define GET_ARRAY_PIN(p) pin_array[p].pin
+#define PRINT_ARRAY_NAME(x) do{ sprintf_P(buffer, PSTR("%-" STRINGIFY(MAX_NAME_LENGTH) "s"), pin_array[x].name); SERIAL_ECHO(buffer); }while(0)
+#define PRINT_PIN(p) do{ sprintf_P(buffer, PSTR("P%d_%02d"), MCUI::pin_port(p), MCUI::pin_bit(p)); SERIAL_ECHO(buffer); }while(0)
+#define PRINT_PIN_ANALOG(p) do{ sprintf_P(buffer, PSTR("_A%d     "), MCUI::pin_get_adc_channel(pin)); SERIAL_ECHO(buffer); }while(0)
+#define MULTI_NAME_PAD 17 // space needed to be pretty if not first name assigned to a pin
+
+// pins that will cause hang/reset/disconnect in M43 Toggle and Watch utilities
+#ifndef M43_NEVER_TOUCH
+  #define M43_NEVER_TOUCH(Q) ((Q) == P0_29 || (Q) == P0_30 || (Q) == P2_09)  // USB pins
+#endif
+
+bool GET_PINMODE(const pin_t pin) {
+  if (!MCUI::pin_is_valid(pin) || MCUI::pin_adc_enabled(pin)) // found an invalid pin or active analog pin
+    return false;
+
+  return MCUI::gpio_direction(pin);
+}
+
+#define GET_ARRAY_IS_DIGITAL(x) ((bool) pin_array[x].is_digital)
+
+void print_port(const pin_t) {}
+void pwm_details(const pin_t) {}
+bool pwm_status(const pin_t) { return false; }

Marlin/src/HAL/LPC4078/spi_pins.h

@@ -0,0 +1,54 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+#include "../../core/macros.h"
+
+#if ALL(SDSUPPORT, HAS_MARLINUI_U8GLIB) && (LCD_PINS_D4 == SD_SCK_PIN || LCD_PINS_ENABLE == SD_MOSI_PIN || DOGLCD_SCK == SD_SCK_PIN || DOGLCD_MOSI == SD_MOSI_PIN)
+  #define LPC_SOFTWARE_SPI  // If the SD card and LCD adapter share the same SPI pins, then software SPI is currently
+                            // needed due to the speed and mode required for communicating with each device being different.
+                            // This requirement can be removed if the SPI access to these devices is updated to use
+                            // spiBeginTransaction.
+#endif
+
+/** onboard SD card */
+//#define SD_SCK_PIN        P0_07
+//#define SD_MISO_PIN       P0_08
+//#define SD_MOSI_PIN       P0_09
+//#define SD_SS_PIN         P0_06
+/** external */
+#ifndef SD_SCK_PIN
+  #define SD_SCK_PIN        P0_15
+#endif
+#ifndef SD_MISO_PIN
+  #define SD_MISO_PIN       P0_17
+#endif
+#ifndef SD_MOSI_PIN
+  #define SD_MOSI_PIN       P0_18
+#endif
+#ifndef SD_SS_PIN
+  #define SD_SS_PIN         P1_23
+#endif
+#if !defined(SDSS) || SDSS == P_NC // gets defaulted in pins.h
+  #undef SDSS
+  #define SDSS          SD_SS_PIN
+#endif

Marlin/src/HAL/LPC4078/timers.cpp

@@ -0,0 +1,65 @@
+/**
+ * Marlin 3D Printer Firmware
+ *
+ * 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
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Description:
+ *
+ * Timers for LPC1768
+ */
+
+#ifdef TARGET_LPC4078
+
+#include "../../inc/MarlinConfig.h"
+
+void HAL_timer_init() {
+  SBI(MCUI::system_control.PCONP, SBIT_TIMER0);  // Power ON Timer 0
+  STEP_TIMER_REF.PR = (HAL_TIMER_RATE) / (STEPPER_TIMER_RATE) - 1; // Use prescaler to set frequency if needed
+
+  SBI(MCUI::system_control.PCONP, SBIT_TIMER1);  // Power ON Timer 1
+  TEMP_TIMER_REF.PR = (HAL_TIMER_RATE) / 1000000 - 1;
+}
+
+void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency) {
+  switch (timer_num) {
+    case MF_TIMER_STEP:
+      STEP_TIMER_REF.MCR = _BV(SBIT_MR0I) | _BV(SBIT_MR0R); // Match on MR0, reset on MR0, interrupts when NVIC enables them
+      STEP_TIMER_REF.MR0 = uint32_t(STEPPER_TIMER_RATE) / frequency; // Match value (period) to set frequency
+      STEP_TIMER_REF.TCR = _BV(SBIT_CNTEN); // Counter Enable
+
+      MCUCore::nvic_set_priority(MCUI::IRQNumber::TIMER0, MCUCore::nvic_encode_priority(0, 1, 0));
+      MCUCore::nvic_enable_irq(MCUI::IRQNumber::TIMER0);
+      break;
+
+    case MF_TIMER_TEMP:
+      TEMP_TIMER_REF.MCR = _BV(SBIT_MR0I) | _BV(SBIT_MR0R); // Match on MR0, reset on MR0, interrupts when NVIC enables them
+      TEMP_TIMER_REF.MR0 = uint32_t(TEMP_TIMER_RATE) / frequency;
+      TEMP_TIMER_REF.TCR = _BV(SBIT_CNTEN); // Counter Enable
+
+      MCUCore::nvic_set_priority(MCUI::IRQNumber::TIMER1, MCUCore::nvic_encode_priority(0, 2, 0));
+      MCUCore::nvic_enable_irq(MCUI::IRQNumber::TIMER1);
+      break;
+
+    default: break;
+  }
+}
+
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/timers.h

@@ -0,0 +1,165 @@
+/**
+ * Marlin 3D Printer Firmware
+ *
+ * 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
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * HAL For LPC1768
+ */
+
+
+#include <stdint.h>
+#include <mcu_interface.h>
+
+#include "../../core/macros.h"
+
+#define SBIT_TIMER0 1
+#define SBIT_TIMER1 2
+
+#define SBIT_CNTEN 0
+
+#define SBIT_MR0I  0 // Timer 0 Interrupt when TC matches MR0
+#define SBIT_MR0R  1 // Timer 0 Reset TC on Match
+#define SBIT_MR0S  2 // Timer 0 Stop TC and PC on Match
+#define SBIT_MR1I  3
+#define SBIT_MR1R  4
+#define SBIT_MR1S  5
+#define SBIT_MR2I  6
+#define SBIT_MR2R  7
+#define SBIT_MR2S  8
+#define SBIT_MR3I  9
+#define SBIT_MR3R 10
+#define SBIT_MR3S 11
+
+// ------------------------
+// Defines
+// ------------------------
+
+#define _HAL_TIMER(T) _CAT(MCUI::timer, T)
+#define _HAL_TIMER_IRQ(T) TIMER##T##_IRQn
+#define __HAL_TIMER_ISR(T) extern "C" void TIMER##T##_IRQHandler()
+#define _HAL_TIMER_ISR(T)  __HAL_TIMER_ISR(T)
+
+typedef uint32_t hal_timer_t;
+#define HAL_TIMER_TYPE_MAX 0xFFFFFFFF
+
+#define HAL_TIMER_RATE         ((F_CPU) / 2)  // frequency of timers peripherals
+
+#ifndef MF_TIMER_STEP
+  #define MF_TIMER_STEP         0  // Timer Index for Stepper
+#endif
+#ifndef MF_TIMER_PULSE
+  #define MF_TIMER_PULSE        MF_TIMER_STEP
+#endif
+#ifndef MF_TIMER_TEMP
+  #define MF_TIMER_TEMP         1  // Timer Index for Temperature
+#endif
+#ifndef MF_TIMER_PWM
+  #define MF_TIMER_PWM          3  // Timer Index for PWM
+#endif
+
+#define TEMP_TIMER_RATE        1000000
+#define TEMP_TIMER_FREQUENCY   1000 // temperature interrupt frequency
+
+#define STEPPER_TIMER_RATE     HAL_TIMER_RATE   // frequency of stepper timer (HAL_TIMER_RATE / STEPPER_TIMER_PRESCALE)
+#define STEPPER_TIMER_TICKS_PER_US ((STEPPER_TIMER_RATE) / 1000000) // stepper timer ticks per µs
+#define STEPPER_TIMER_PRESCALE (CYCLES_PER_MICROSECOND / STEPPER_TIMER_TICKS_PER_US)
+
+#define PULSE_TIMER_RATE       STEPPER_TIMER_RATE   // frequency of pulse timer
+#define PULSE_TIMER_PRESCALE   STEPPER_TIMER_PRESCALE
+#define PULSE_TIMER_TICKS_PER_US STEPPER_TIMER_TICKS_PER_US
+
+#define ENABLE_STEPPER_DRIVER_INTERRUPT() HAL_timer_enable_interrupt(MF_TIMER_STEP)
+#define DISABLE_STEPPER_DRIVER_INTERRUPT() HAL_timer_disable_interrupt(MF_TIMER_STEP)
+#define STEPPER_ISR_ENABLED() HAL_timer_interrupt_enabled(MF_TIMER_STEP)
+
+#define ENABLE_TEMPERATURE_INTERRUPT() HAL_timer_enable_interrupt(MF_TIMER_TEMP)
+#define DISABLE_TEMPERATURE_INTERRUPT() HAL_timer_disable_interrupt(MF_TIMER_TEMP)
+
+#ifndef HAL_STEP_TIMER_ISR
+  #define HAL_STEP_TIMER_ISR() _HAL_TIMER_ISR(MF_TIMER_STEP)
+#endif
+#ifndef HAL_TEMP_TIMER_ISR
+  #define HAL_TEMP_TIMER_ISR() _HAL_TIMER_ISR(MF_TIMER_TEMP)
+#endif
+
+// Timer references by index
+#define STEP_TIMER_REF _HAL_TIMER(MF_TIMER_STEP)
+#define TEMP_TIMER_REF _HAL_TIMER(MF_TIMER_TEMP)
+
+// ------------------------
+// Public functions
+// ------------------------
+void HAL_timer_init();
+void HAL_timer_start(const uint8_t timer_num, const uint32_t frequency);
+
+FORCE_INLINE static void HAL_timer_set_compare(const uint8_t timer_num, const hal_timer_t compare) {
+  switch (timer_num) {
+    case MF_TIMER_STEP: STEP_TIMER_REF.MR0 = compare; break; // Stepper Timer Match Register 0
+    case MF_TIMER_TEMP: TEMP_TIMER_REF.MR0 = compare; break; //    Temp Timer Match Register 0
+  }
+}
+
+FORCE_INLINE static hal_timer_t HAL_timer_get_compare(const uint8_t timer_num) {
+  switch (timer_num) {
+    case MF_TIMER_STEP: return STEP_TIMER_REF.MR0; // Stepper Timer Match Register 0
+    case MF_TIMER_TEMP: return TEMP_TIMER_REF.MR0; //    Temp Timer Match Register 0
+  }
+  return 0;
+}
+
+FORCE_INLINE static hal_timer_t HAL_timer_get_count(const uint8_t timer_num) {
+  switch (timer_num) {
+    case MF_TIMER_STEP: return STEP_TIMER_REF.TC; // Stepper Timer Count
+    case MF_TIMER_TEMP: return TEMP_TIMER_REF.TC; //    Temp Timer Count
+  }
+  return 0;
+}
+
+FORCE_INLINE static void HAL_timer_enable_interrupt(const uint8_t timer_num) {
+  switch (timer_num) {
+    case MF_TIMER_STEP: MCUCore::nvic_enable_irq(MCUI::IRQNumber::TIMER0); break; // Enable interrupt handler
+    case MF_TIMER_TEMP: MCUCore::nvic_enable_irq(MCUI::IRQNumber::TIMER1); break; // Enable interrupt handler
+  }
+}
+
+FORCE_INLINE static void HAL_timer_disable_interrupt(const uint8_t timer_num) {
+  switch (timer_num) {
+    case MF_TIMER_STEP: MCUCore::nvic_disable_irq(MCUI::IRQNumber::TIMER0); break; // Disable interrupt handler
+    case MF_TIMER_TEMP: MCUCore::nvic_disable_irq(MCUI::IRQNumber::TIMER1); break; // Disable interrupt handler
+  }
+}
+
+FORCE_INLINE static bool HAL_timer_interrupt_enabled(const uint8_t timer_num) {
+  switch (timer_num) {
+    case MF_TIMER_STEP: return MCUCore::nvic_irq_is_enabled(MCUI::IRQNumber::TIMER0); // Check if interrupt is enabled or not
+    case MF_TIMER_TEMP: return MCUCore::nvic_irq_is_enabled(MCUI::IRQNumber::TIMER1); // Check if interrupt is enabled or not
+  }
+  return false;
+}
+
+FORCE_INLINE static void HAL_timer_isr_prologue(const uint8_t timer_num) {
+  switch (timer_num) {
+    case MF_TIMER_STEP: SBI(STEP_TIMER_REF.IR, SBIT_CNTEN); break;
+    case MF_TIMER_TEMP: SBI(TEMP_TIMER_REF.IR, SBIT_CNTEN); break;
+  }
+}
+
+#define HAL_timer_isr_epilogue(T) NOOP

Marlin/src/HAL/LPC4078/u8g/LCD_I2C_routines.cpp

@@ -0,0 +1,89 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+// adapted from  I2C/master/master.c example
+//   https://www-users.cs.york.ac.uk/~pcc/MCP/HAPR-Course-web/CMSIS/examples/html/master_8c_source.html
+
+#ifdef TARGET_LPC1768
+
+#include "../include/i2c_util.h"
+#include "../../../core/millis_t.h"
+
+extern int millis();
+
+#ifdef __cplusplus
+  extern "C" {
+#endif
+
+//////////////////////////////////////////////////////////////////////////////////////
+
+#define I2CDEV_S_ADDR   0x78  // From SSD1306 (actual address is 0x3C - shift left 1 with LSB set to 0 to indicate write)
+
+// Send slave address and write bit
+uint8_t u8g_i2c_start(const uint8_t sla) {
+  // Sometimes TX data ACK or NAK status is returned.  That mean the start state didn't
+  // happen which means only the value of the slave address was send.  Keep looping until
+  // the slave address and write bit are actually sent.
+  do{
+    _I2C_Stop(I2CDEV_M); // output stop state on I2C bus
+    _I2C_Start(I2CDEV_M); // output start state on I2C bus
+    while ((I2C_status != I2C_I2STAT_M_TX_START)
+        && (I2C_status != I2C_I2STAT_M_TX_RESTART)
+        && (I2C_status != I2C_I2STAT_M_TX_DAT_ACK)
+        && (I2C_status != I2C_I2STAT_M_TX_DAT_NACK));  //wait for start to be asserted
+
+    LPC_I2C1->I2CONCLR = I2C_I2CONCLR_STAC; // clear start state before tansmitting slave address
+    LPC_I2C1->I2DAT = I2CDEV_S_ADDR & I2C_I2DAT_BITMASK; // transmit slave address & write bit
+    LPC_I2C1->I2CONSET = I2C_I2CONSET_AA;
+    LPC_I2C1->I2CONCLR = I2C_I2CONCLR_SIC;
+    while ((I2C_status != I2C_I2STAT_M_TX_SLAW_ACK)
+        && (I2C_status != I2C_I2STAT_M_TX_SLAW_NACK)
+        && (I2C_status != I2C_I2STAT_M_TX_DAT_ACK)
+        && (I2C_status != I2C_I2STAT_M_TX_DAT_NACK));  //wait for slaw to finish
+  }while ( (I2C_status == I2C_I2STAT_M_TX_DAT_ACK) ||  (I2C_status == I2C_I2STAT_M_TX_DAT_NACK));
+  return 1;
+}
+
+void u8g_i2c_init(const uint8_t clock_option) {
+  configure_i2c(clock_option);
+  u8g_i2c_start(0); // Send slave address and write bit
+}
+
+uint8_t u8g_i2c_send_byte(uint8_t data) {
+  #define I2C_TIMEOUT 3
+  LPC_I2C1->I2DAT = data & I2C_I2DAT_BITMASK; // transmit data
+  LPC_I2C1->I2CONSET = I2C_I2CONSET_AA;
+  LPC_I2C1->I2CONCLR = I2C_I2CONCLR_SIC;
+  const millis_t timeout = millis() + I2C_TIMEOUT;
+  while ((I2C_status != I2C_I2STAT_M_TX_DAT_ACK) && (I2C_status != I2C_I2STAT_M_TX_DAT_NACK) && PENDING(millis(), timeout));  // wait for xmit to finish
+  // had hangs with SH1106 so added time out - have seen temporary screen corruption when this happens
+  return 1;
+}
+
+void u8g_i2c_stop() {
+}
+
+#ifdef __cplusplus
+  }
+#endif
+
+#endif // TARGET_LPC1768

Marlin/src/HAL/LPC4078/u8g/LCD_I2C_routines.h

@@ -0,0 +1,28 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+void u8g_i2c_init(const uint8_t clock_options);
+//uint8_t u8g_i2c_wait(uint8_t mask, uint8_t pos);
+uint8_t u8g_i2c_start(uint8_t sla);
+uint8_t u8g_i2c_send_byte(uint8_t data);
+void u8g_i2c_stop();

Marlin/src/HAL/LPC4078/u8g/LCD_defines.h

@@ -0,0 +1,46 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * LPC1768 LCD-specific defines
+ */
+
+#ifndef U8G_HAL_LINKS
+
+  #define U8G_COM_SSD_I2C_HAL u8g_com_arduino_ssd_i2c_fn  // See U8glib-HAL
+
+#else
+
+  uint8_t u8g_com_HAL_LPC1768_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
+  uint8_t u8g_com_HAL_LPC1768_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
+  uint8_t u8g_com_HAL_LPC1768_ST7920_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
+  uint8_t u8g_com_HAL_LPC1768_ST7920_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
+  uint8_t u8g_com_HAL_LPC1768_ssd_hw_i2c_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
+
+  #define U8G_COM_HAL_SW_SPI_FN       u8g_com_HAL_LPC1768_sw_spi_fn
+  #define U8G_COM_HAL_HW_SPI_FN       u8g_com_HAL_LPC1768_hw_spi_fn
+  #define U8G_COM_ST7920_HAL_SW_SPI   u8g_com_HAL_LPC1768_ST7920_sw_spi_fn
+  #define U8G_COM_ST7920_HAL_HW_SPI   u8g_com_HAL_LPC1768_ST7920_hw_spi_fn
+  #define U8G_COM_SSD_I2C_HAL         u8g_com_HAL_LPC1768_ssd_hw_i2c_fn
+
+#endif

Marlin/src/HAL/LPC4078/u8g/LCD_delay.h

@@ -0,0 +1,43 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * LCD delay routines - used by all the drivers.
+ *
+ * These are based on the LPC1768 routines.
+ *
+ * Couldn't just call exact copies because the overhead
+ * results in a one microsecond delay taking about 4µS.
+ */
+
+#ifdef __cplusplus
+  extern "C" {
+#endif
+
+void U8g_delay(int msec);
+void u8g_MicroDelay();
+void u8g_10MicroDelay();
+
+#ifdef __cplusplus
+  }
+#endif

Marlin/src/HAL/LPC4078/u8g/LCD_pin_routines.cpp

@@ -0,0 +1,59 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Low level pin manipulation routines - used by all the drivers.
+ *
+ * These are based on the LPC1768 pinMode, digitalRead & digitalWrite routines.
+ *
+ * Couldn't just call exact copies because the overhead killed the LCD update speed
+ * With an intermediate level the softspi was running in the 10-20kHz range which
+ * resulted in using about about 25% of the CPU's time.
+ */
+
+#ifdef TARGET_LPC4078
+
+#include  <mcu_interface.h>
+
+extern "C" {
+
+#include "LCD_pin_routines.h"
+
+void u8g_SetPinOutput(uint8_t pin) {
+  MCUI::gpio_set_output(pin);
+}
+
+void u8g_SetPinInput(uint8_t pin) {
+  MCUI::gpio_set_input(pin);
+}
+
+void u8g_SetPinLevel(uint8_t  pin, uint8_t  pin_status) {
+  MCUI::gpio_set(pin, pin_status);
+}
+
+uint8_t u8g_GetPinLevel(uint8_t pin) {
+  return MCUI::gpio_get(pin);
+}
+
+}
+
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/u8g/LCD_pin_routines.h

@@ -0,0 +1,37 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+#pragma once
+
+/**
+ * Low level pin manipulation routines - used by all the drivers.
+ *
+ * These are based on the LPC1768 pinMode, digitalRead & digitalWrite routines.
+ *
+ * Couldn't just call exact copies because the overhead killed the LCD update speed
+ * With an intermediate level the softspi was running in the 10-20kHz range which
+ * resulted in using about about 25% of the CPU's time.
+ */
+
+void u8g_SetPinOutput(uint8_t internal_pin_number);
+void u8g_SetPinInput(uint8_t internal_pin_number);
+void u8g_SetPinLevel(uint8_t  pin, uint8_t  pin_status);
+uint8_t u8g_GetPinLevel(uint8_t pin);

Marlin/src/HAL/LPC4078/u8g/u8g_com_HAL_LPC1768_hw_spi.cpp

@@ -0,0 +1,129 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Based on u8g_com_msp430_hw_spi.c
+ *
+ * Universal 8bit Graphics Library
+ *
+ * Copyright (c) 2011, olikraus@gmail.com
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice, this list
+ *    of conditions and the following disclaimer.
+ *
+ *  * Redistributions in binary form must reproduce the above copyright notice, this
+ *    list of conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef TARGET_LPC4078
+
+#include "../../../inc/MarlinConfigPre.h"
+
+#if HAS_MARLINUI_U8GLIB
+
+#include <U8glib-HAL.h>
+#include "../../shared/HAL_SPI.h"
+
+#ifndef LCD_SPI_SPEED
+  #ifdef SD_SPI_SPEED
+    #define LCD_SPI_SPEED SD_SPI_SPEED    // Assume SPI speed shared with SD
+  #else
+    #define LCD_SPI_SPEED SPI_FULL_SPEED  // Use full speed if SD speed is not supplied
+  #endif
+#endif
+
+uint8_t u8g_com_HAL_LPC1768_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
+  switch (msg) {
+    case U8G_COM_MSG_STOP:
+      break;
+
+    case U8G_COM_MSG_INIT:
+      u8g_SetPILevel(u8g, U8G_PI_CS, 1);
+      u8g_SetPILevel(u8g, U8G_PI_A0, 1);
+      u8g_SetPILevel(u8g, U8G_PI_RESET, 1);
+      u8g_SetPIOutput(u8g, U8G_PI_CS);
+      u8g_SetPIOutput(u8g, U8G_PI_A0);
+      u8g_SetPIOutput(u8g, U8G_PI_RESET);
+      u8g_Delay(5);
+      spiBegin();
+      spiInit(LCD_SPI_SPEED);
+      break;
+
+    case U8G_COM_MSG_ADDRESS:                     /* define cmd (arg_val = 0) or data mode (arg_val = 1) */
+      u8g_SetPILevel(u8g, U8G_PI_A0, arg_val);
+      break;
+
+    case U8G_COM_MSG_CHIP_SELECT:
+      u8g_SetPILevel(u8g, U8G_PI_CS, (arg_val ? 0 : 1));
+      break;
+
+    case U8G_COM_MSG_RESET:
+      u8g_SetPILevel(u8g, U8G_PI_RESET, arg_val);
+      break;
+
+    case U8G_COM_MSG_WRITE_BYTE:
+      spiSend((uint8_t)arg_val);
+      break;
+
+    case U8G_COM_MSG_WRITE_SEQ: {
+        uint8_t *ptr = (uint8_t*) arg_ptr;
+        while (arg_val > 0) {
+          spiSend(*ptr++);
+          arg_val--;
+        }
+      }
+      break;
+
+    case U8G_COM_MSG_WRITE_SEQ_P: {
+        uint8_t *ptr = (uint8_t*) arg_ptr;
+        while (arg_val > 0) {
+          spiSend(*ptr++);
+          arg_val--;
+        }
+      }
+      break;
+  }
+  return 1;
+}
+
+#endif // HAS_MARLINUI_U8GLIB
+
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/u8g/u8g_com_HAL_LPC1768_ssd_hw_i2c.cpp

@@ -0,0 +1,198 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Based on u8g_com_arduino_ssd_i2c.c
+ *
+ * COM interface for Arduino (AND ATmega) and the SSDxxxx chip (SOLOMON) variant
+ * I2C protocol
+ *
+ * Universal 8bit Graphics Library
+ *
+ * Copyright (c) 2011, olikraus@gmail.com
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice, this list
+ *    of conditions and the following disclaimer.
+ *
+ *  * Redistributions in binary form must reproduce the above copyright notice, this
+ *    list of conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+/**
+ * Special pin usage:
+ * U8G_PI_I2C_OPTION additional options
+ * U8G_PI_A0_STATE used to store the last value of the command/data register selection
+ * U8G_PI_SET_A0   1: Signal request to update I2C device with new A0_STATE, 0: Do nothing, A0_STATE matches I2C device
+ * U8G_PI_SCL    clock line (NOT USED)
+ * U8G_PI_SDA    data line (NOT USED)
+ *
+ * U8G_PI_RESET    reset line (currently disabled, see below)
+ *
+ * Protocol:
+ * SLA, Cmd/Data Selection, Arguments
+ * The command/data register is selected by a special instruction byte, which is sent after SLA
+ *
+ * The continue bit is always 0 so that a (re)start is equired for the change from cmd to/data mode
+ */
+
+#ifdef TARGET_LPC1768
+
+#include "../../../inc/MarlinConfigPre.h"
+
+#if HAS_MARLINUI_U8GLIB
+
+#include <U8glib-HAL.h>
+
+#define I2C_SLA         (0x3C*2)
+//#define I2C_CMD_MODE  0x080
+#define I2C_CMD_MODE    0x000
+#define I2C_DATA_MODE   0x040
+
+uint8_t u8g_com_ssd_I2C_start_sequence(u8g_t *u8g) {
+  /* are we requested to set the a0 state? */
+  if (u8g->pin_list[U8G_PI_SET_A0] == 0) return 1;
+
+  /* setup bus, might be a repeated start */
+  if (u8g_i2c_start(I2C_SLA) == 0) return 0;
+  if (u8g->pin_list[U8G_PI_A0_STATE] == 0) {
+    if (u8g_i2c_send_byte(I2C_CMD_MODE) == 0) return 0;
+  }
+  else if (u8g_i2c_send_byte(I2C_DATA_MODE) == 0)
+    return 0;
+
+  u8g->pin_list[U8G_PI_SET_A0] = 0;
+  return 1;
+}
+
+uint8_t u8g_com_HAL_LPC1768_ssd_hw_i2c_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
+  switch (msg) {
+    case U8G_COM_MSG_INIT:
+      //u8g_com_arduino_digital_write(u8g, U8G_PI_SCL, HIGH);
+      //u8g_com_arduino_digital_write(u8g, U8G_PI_SDA, HIGH);
+      //u8g->pin_list[U8G_PI_A0_STATE] = 0;       /* initial RS state: unknown mode */
+
+      u8g_i2c_init(u8g->pin_list[U8G_PI_I2C_OPTION]);
+      u8g_com_ssd_I2C_start_sequence(u8g);
+      break;
+
+    case U8G_COM_MSG_STOP:
+      break;
+
+    case U8G_COM_MSG_RESET:
+      /* Currently disabled, but it could be enable. Previous restrictions have been removed */
+      /* u8g_com_arduino_digital_write(u8g, U8G_PI_RESET, arg_val); */
+      break;
+
+    case U8G_COM_MSG_CHIP_SELECT:
+      u8g->pin_list[U8G_PI_A0_STATE] = 0;
+      u8g->pin_list[U8G_PI_SET_A0] = 1;   /* force a0 to set again, also forces start condition */
+      if (arg_val == 0 ) {
+        /* disable chip, send stop condition */
+        u8g_i2c_stop();
+      }
+      else {
+        /* enable, do nothing: any byte writing will trigger the i2c start */
+      }
+      break;
+
+    case U8G_COM_MSG_WRITE_BYTE:
+      //u8g->pin_list[U8G_PI_SET_A0] = 1;
+      if (u8g_com_ssd_I2C_start_sequence(u8g) == 0) {
+        u8g_i2c_stop();
+        return 0;
+      }
+
+      if (u8g_i2c_send_byte(arg_val) == 0) {
+        u8g_i2c_stop();
+        return 0;
+      }
+      // u8g_i2c_stop();
+      break;
+
+    case U8G_COM_MSG_WRITE_SEQ: {
+        //u8g->pin_list[U8G_PI_SET_A0] = 1;
+        if (u8g_com_ssd_I2C_start_sequence(u8g) == 0) {
+         u8g_i2c_stop();
+         return 0;
+        }
+
+        uint8_t *ptr = (uint8_t *)arg_ptr;
+        while (arg_val > 0) {
+          if (u8g_i2c_send_byte(*ptr++) == 0) {
+            u8g_i2c_stop();
+            return 0;
+          }
+          arg_val--;
+        }
+      }
+      // u8g_i2c_stop();
+      break;
+
+    case U8G_COM_MSG_WRITE_SEQ_P: {
+        //u8g->pin_list[U8G_PI_SET_A0] = 1;
+        if (u8g_com_ssd_I2C_start_sequence(u8g) == 0) {
+          u8g_i2c_stop();
+          return 0;
+        }
+
+        uint8_t *ptr = (uint8_t *)arg_ptr;
+        while (arg_val > 0) {
+          if (u8g_i2c_send_byte(u8g_pgm_read(ptr)) == 0)
+            return 0;
+          ptr++;
+          arg_val--;
+        }
+      }
+      // u8g_i2c_stop();
+      break;
+
+    case U8G_COM_MSG_ADDRESS:                     /* define cmd (arg_val = 0) or data mode (arg_val = 1) */
+      u8g->pin_list[U8G_PI_A0_STATE] = arg_val;
+      u8g->pin_list[U8G_PI_SET_A0] = 1;   /* force a0 to set again */
+      break;
+
+  } // switch
+  return 1;
+}
+
+#endif // HAS_MARLINUI_U8GLIB
+
+#endif // TARGET_LPC1768

Marlin/src/HAL/LPC4078/u8g/u8g_com_HAL_LPC1768_st7920_hw_spi.cpp

@@ -0,0 +1,138 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Based on u8g_com_LPC1768_st7920_hw_spi.c
+ *
+ * Universal 8bit Graphics Library
+ *
+ * Copyright (c) 2011, olikraus@gmail.com
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice, this list
+ *    of conditions and the following disclaimer.
+ *
+ *  * Redistributions in binary form must reproduce the above copyright notice, this
+ *    list of conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef TARGET_LPC4078
+
+#include "../../../inc/MarlinConfigPre.h"
+
+#if HAS_MARLINUI_U8GLIB
+
+#include <U8glib-HAL.h>
+#include "../../shared/HAL_SPI.h"
+#include "../../shared/Delay.h"
+
+void spiBegin();
+void spiInit(uint8_t spiRate);
+void spiSend(uint8_t b);
+void spiSend(const uint8_t *buf, size_t n);
+
+static uint8_t rs_last_state = 255;
+
+static void u8g_com_LPC1768_st7920_write_byte_hw_spi(uint8_t rs, uint8_t val) {
+
+  if (rs != rs_last_state) {      // Time to send a command/data byte
+    rs_last_state = rs;
+    spiSend(rs ? 0x0FA : 0x0F8);  // Send data or command
+    DELAY_US(40);                 // Give the controller some time: 20 is bad, 30 is OK, 40 is safe
+  }
+
+  spiSend(val & 0xF0);
+  spiSend(val << 4);
+}
+
+uint8_t u8g_com_HAL_LPC1768_ST7920_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
+  switch (msg) {
+    case U8G_COM_MSG_INIT:
+      u8g_SetPILevel(u8g, U8G_PI_CS, 0);
+      u8g_SetPIOutput(u8g, U8G_PI_CS);
+      u8g_Delay(5);
+      spiBegin();
+      spiInit(SPI_EIGHTH_SPEED);            // ST7920 max speed is about 1.1 MHz
+      u8g->pin_list[U8G_PI_A0_STATE] = 0;   // initial RS state: command mode
+      break;
+
+    case U8G_COM_MSG_STOP:
+      break;
+
+    case U8G_COM_MSG_RESET:
+      u8g_SetPILevel(u8g, U8G_PI_RESET, arg_val);
+      break;
+
+    case U8G_COM_MSG_ADDRESS:                   // Define cmd (arg_val = 0) or data mode (arg_val = 1)
+      u8g->pin_list[U8G_PI_A0_STATE] = arg_val;
+      break;
+
+    case U8G_COM_MSG_CHIP_SELECT:
+      u8g_SetPILevel(u8g, U8G_PI_CS, arg_val);  // Note: the ST7920 has an active high chip-select
+      break;
+
+    case U8G_COM_MSG_WRITE_BYTE:
+      u8g_com_LPC1768_st7920_write_byte_hw_spi(u8g->pin_list[U8G_PI_A0_STATE], arg_val);
+      break;
+
+    case U8G_COM_MSG_WRITE_SEQ: {
+        uint8_t *ptr = (uint8_t*) arg_ptr;
+        while (arg_val > 0) {
+          u8g_com_LPC1768_st7920_write_byte_hw_spi(u8g->pin_list[U8G_PI_A0_STATE], *ptr++);
+          arg_val--;
+        }
+      }
+      break;
+
+      case U8G_COM_MSG_WRITE_SEQ_P: {
+        uint8_t *ptr = (uint8_t*) arg_ptr;
+        while (arg_val > 0) {
+          u8g_com_LPC1768_st7920_write_byte_hw_spi(u8g->pin_list[U8G_PI_A0_STATE], *ptr++);
+          arg_val--;
+        }
+      }
+      break;
+  }
+  return 1;
+}
+
+#endif // HAS_MARLINUI_U8GLIB
+
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/u8g/u8g_com_HAL_LPC1768_st7920_sw_spi.cpp

@@ -0,0 +1,147 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Based on u8g_com_st7920_hw_spi.c
+ *
+ * Universal 8bit Graphics Library
+ *
+ * Copyright (c) 2011, olikraus@gmail.com
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice, this list
+ *    of conditions and the following disclaimer.
+ *
+ *  * Redistributions in binary form must reproduce the above copyright notice, this
+ *    list of conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef TARGET_LPC4078
+
+#include "../../../inc/MarlinConfigPre.h"
+
+#if IS_U8GLIB_ST7920
+
+#include <U8glib-HAL.h>
+#include "../SoftwareSPI.h"
+#include "../../shared/Delay.h"
+#include "../../shared/HAL_SPI.h"
+
+#ifndef LCD_SPI_SPEED
+  #define LCD_SPI_SPEED SPI_EIGHTH_SPEED  // About 1 MHz
+#endif
+
+static pin_t SCK_pin_ST7920_HAL, MOSI_pin_ST7920_HAL_HAL;
+static uint8_t SPI_speed = 0;
+
+static void u8g_com_LPC1768_st7920_write_byte_sw_spi(uint8_t rs, uint8_t val) {
+  static uint8_t rs_last_state = 255;
+  if (rs != rs_last_state) {
+    // Transfer Data (FA) or Command (F8)
+    swSpiTransfer(rs ? 0x0FA : 0x0F8, SPI_speed, SCK_pin_ST7920_HAL, -1, MOSI_pin_ST7920_HAL_HAL);
+    rs_last_state = rs;
+    DELAY_US(40); // Give the controller time to process the data: 20 is bad, 30 is OK, 40 is safe
+  }
+  swSpiTransfer(val & 0x0F0, SPI_speed, SCK_pin_ST7920_HAL, -1, MOSI_pin_ST7920_HAL_HAL);
+  swSpiTransfer(val << 4, SPI_speed, SCK_pin_ST7920_HAL, -1, MOSI_pin_ST7920_HAL_HAL);
+}
+
+uint8_t u8g_com_HAL_LPC1768_ST7920_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
+  switch (msg) {
+    case U8G_COM_MSG_INIT:
+      SCK_pin_ST7920_HAL = u8g->pin_list[U8G_PI_SCK];
+      MOSI_pin_ST7920_HAL_HAL = u8g->pin_list[U8G_PI_MOSI];
+
+      u8g_SetPIOutput(u8g, U8G_PI_CS);
+      u8g_SetPIOutput(u8g, U8G_PI_SCK);
+      u8g_SetPIOutput(u8g, U8G_PI_MOSI);
+      u8g_Delay(5);
+
+      SPI_speed = swSpiInit(LCD_SPI_SPEED, SCK_pin_ST7920_HAL, MOSI_pin_ST7920_HAL_HAL);
+
+      u8g_SetPILevel(u8g, U8G_PI_CS, 0);
+      u8g_SetPILevel(u8g, U8G_PI_SCK, 0);
+      u8g_SetPILevel(u8g, U8G_PI_MOSI, 0);
+
+      u8g->pin_list[U8G_PI_A0_STATE] = 0;       /* initial RS state: command mode */
+      break;
+
+    case U8G_COM_MSG_STOP:
+      break;
+
+    case U8G_COM_MSG_RESET:
+       if (U8G_PIN_NONE != u8g->pin_list[U8G_PI_RESET]) u8g_SetPILevel(u8g, U8G_PI_RESET, arg_val);
+      break;
+
+    case U8G_COM_MSG_ADDRESS:                     /* define cmd (arg_val = 0) or data mode (arg_val = 1) */
+      u8g->pin_list[U8G_PI_A0_STATE] = arg_val;
+      break;
+
+    case U8G_COM_MSG_CHIP_SELECT:
+      if (U8G_PIN_NONE != u8g->pin_list[U8G_PI_CS]) u8g_SetPILevel(u8g, U8G_PI_CS, arg_val);  //note: the st7920 has an active high chip select
+      break;
+
+    case U8G_COM_MSG_WRITE_BYTE:
+      u8g_com_LPC1768_st7920_write_byte_sw_spi(u8g->pin_list[U8G_PI_A0_STATE], arg_val);
+      break;
+
+    case U8G_COM_MSG_WRITE_SEQ: {
+        uint8_t *ptr = (uint8_t*) arg_ptr;
+        while (arg_val > 0) {
+          u8g_com_LPC1768_st7920_write_byte_sw_spi(u8g->pin_list[U8G_PI_A0_STATE], *ptr++);
+          arg_val--;
+        }
+      }
+      break;
+
+      case U8G_COM_MSG_WRITE_SEQ_P: {
+        uint8_t *ptr = (uint8_t*) arg_ptr;
+        while (arg_val > 0) {
+          u8g_com_LPC1768_st7920_write_byte_sw_spi(u8g->pin_list[U8G_PI_A0_STATE], *ptr++);
+          arg_val--;
+        }
+      }
+      break;
+  }
+  return 1;
+}
+
+#endif // IS_U8GLIB_ST7920
+#endif // TARGET_LPC4078

Marlin/src/HAL/LPC4078/u8g/u8g_com_HAL_LPC1768_sw_spi.cpp

@@ -0,0 +1,209 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+/**
+ * Based on u8g_com_std_sw_spi.c
+ *
+ * Universal 8bit Graphics Library
+ *
+ * Copyright (c) 2015, olikraus@gmail.com
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without modification,
+ * are permitted provided that the following conditions are met:
+ *
+ *  * Redistributions of source code must retain the above copyright notice, this list
+ *    of conditions and the following disclaimer.
+ *
+ *  * Redistributions in binary form must reproduce the above copyright notice, this
+ *    list of conditions and the following disclaimer in the documentation and/or other
+ *    materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifdef TARGET_LPC4078
+
+#include "../../../inc/MarlinConfigPre.h"
+
+#if HAS_MARLINUI_U8GLIB && !IS_U8GLIB_ST7920
+
+#include <SoftwareSPI.h>
+#include "../../shared/HAL_SPI.h"
+
+#ifndef LCD_SPI_SPEED
+  #define LCD_SPI_SPEED SPI_QUARTER_SPEED  // About 2 MHz
+#endif
+
+#include <Arduino.h>
+#include <algorithm>
+#include <LPC17xx.h>
+#include <gpio.h>
+
+#include <U8glib-HAL.h>
+
+uint8_t swSpiTransfer_mode_0(uint8_t b, const uint8_t spi_speed, const pin_t sck_pin, const pin_t miso_pin, const pin_t mosi_pin ) {
+
+  LOOP_L_N(i, 8) {
+    if (spi_speed == 0) {
+      LPC176x::gpio_set(mosi_pin, !!(b & 0x80));
+      LPC176x::gpio_set(sck_pin, HIGH);
+      b <<= 1;
+      if (miso_pin >= 0 && LPC176x::gpio_get(miso_pin)) b |= 1;
+      LPC176x::gpio_set(sck_pin, LOW);
+    }
+    else {
+      const uint8_t state = (b & 0x80) ? HIGH : LOW;
+      LOOP_L_N(j, spi_speed)
+        LPC176x::gpio_set(mosi_pin, state);
+
+      LOOP_L_N(j, spi_speed + (miso_pin >= 0 ? 0 : 1))
+        LPC176x::gpio_set(sck_pin, HIGH);
+
+      b <<= 1;
+      if (miso_pin >= 0 && LPC176x::gpio_get(miso_pin)) b |= 1;
+
+      LOOP_L_N(j, spi_speed)
+        LPC176x::gpio_set(sck_pin, LOW);
+    }
+  }
+
+  return b;
+}
+
+uint8_t swSpiTransfer_mode_3(uint8_t b, const uint8_t spi_speed, const pin_t sck_pin, const pin_t miso_pin, const pin_t mosi_pin ) {
+
+  LOOP_L_N(i, 8) {
+    const uint8_t state = (b & 0x80) ? HIGH : LOW;
+    if (spi_speed == 0) {
+      LPC176x::gpio_set(sck_pin, LOW);
+      LPC176x::gpio_set(mosi_pin, state);
+      LPC176x::gpio_set(mosi_pin, state);  // need some setup time
+      LPC176x::gpio_set(sck_pin, HIGH);
+    }
+    else {
+      LOOP_L_N(j, spi_speed + (miso_pin >= 0 ? 0 : 1))
+        LPC176x::gpio_set(sck_pin, LOW);
+
+      LOOP_L_N(j, spi_speed)
+        LPC176x::gpio_set(mosi_pin, state);
+
+      LOOP_L_N(j, spi_speed)
+        LPC176x::gpio_set(sck_pin, HIGH);
+    }
+    b <<= 1;
+    if (miso_pin >= 0 && LPC176x::gpio_get(miso_pin)) b |= 1;
+  }
+
+  return b;
+}
+
+static uint8_t SPI_speed = 0;
+
+static void u8g_sw_spi_HAL_LPC1768_shift_out(uint8_t dataPin, uint8_t clockPin, uint8_t val) {
+  #if ANY(FYSETC_MINI_12864, MKS_MINI_12864)
+    swSpiTransfer_mode_3(val, SPI_speed, clockPin, -1, dataPin);
+  #else
+    swSpiTransfer_mode_0(val, SPI_speed, clockPin, -1, dataPin);
+  #endif
+}
+
+uint8_t u8g_com_HAL_LPC1768_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
+  switch (msg) {
+    case U8G_COM_MSG_INIT:
+      u8g_SetPIOutput(u8g, U8G_PI_SCK);
+      u8g_SetPIOutput(u8g, U8G_PI_MOSI);
+      u8g_SetPIOutput(u8g, U8G_PI_CS);
+      u8g_SetPIOutput(u8g, U8G_PI_A0);
+      if (U8G_PIN_NONE != u8g->pin_list[U8G_PI_RESET]) u8g_SetPIOutput(u8g, U8G_PI_RESET);
+      SPI_speed = swSpiInit(LCD_SPI_SPEED, u8g->pin_list[U8G_PI_SCK], u8g->pin_list[U8G_PI_MOSI]);
+      u8g_SetPILevel(u8g, U8G_PI_SCK, 0);
+      u8g_SetPILevel(u8g, U8G_PI_MOSI, 0);
+      break;
+
+    case U8G_COM_MSG_STOP:
+      break;
+
+    case U8G_COM_MSG_RESET:
+      if (U8G_PIN_NONE != u8g->pin_list[U8G_PI_RESET]) u8g_SetPILevel(u8g, U8G_PI_RESET, arg_val);
+      break;
+
+    case U8G_COM_MSG_CHIP_SELECT:
+      #if ANY(FYSETC_MINI_12864, MKS_MINI_12864)  // LCD SPI is running mode 3 while SD card is running mode 0
+        if (arg_val) {                               //   SCK idle state needs to be set to the proper idle state before
+                                                     //   the next chip select goes active
+          u8g_SetPILevel(u8g, U8G_PI_SCK, 1);        // Set SCK to mode 3 idle state before CS goes active
+          u8g_SetPILevel(u8g, U8G_PI_CS, LOW);
+        }
+        else {
+          u8g_SetPILevel(u8g, U8G_PI_CS, HIGH);
+          u8g_SetPILevel(u8g, U8G_PI_SCK, 0);  // Set SCK to mode 0 idle state after CS goes inactive
+        }
+      #else
+        u8g_SetPILevel(u8g, U8G_PI_CS, !arg_val);
+      #endif
+      break;
+
+    case U8G_COM_MSG_WRITE_BYTE:
+      u8g_sw_spi_HAL_LPC1768_shift_out(u8g->pin_list[U8G_PI_MOSI], u8g->pin_list[U8G_PI_SCK], arg_val);
+      break;
+
+    case U8G_COM_MSG_WRITE_SEQ: {
+        uint8_t *ptr = (uint8_t *)arg_ptr;
+        while (arg_val > 0) {
+          u8g_sw_spi_HAL_LPC1768_shift_out(u8g->pin_list[U8G_PI_MOSI], u8g->pin_list[U8G_PI_SCK], *ptr++);
+          arg_val--;
+        }
+      }
+      break;
+
+      case U8G_COM_MSG_WRITE_SEQ_P: {
+        uint8_t *ptr = (uint8_t *)arg_ptr;
+        while (arg_val > 0) {
+          u8g_sw_spi_HAL_LPC1768_shift_out(u8g->pin_list[U8G_PI_MOSI], u8g->pin_list[U8G_PI_SCK], u8g_pgm_read(ptr));
+          ptr++;
+          arg_val--;
+        }
+      }
+      break;
+
+    case U8G_COM_MSG_ADDRESS:                     /* define cmd (arg_val = 0) or data mode (arg_val = 1) */
+      u8g_SetPILevel(u8g, U8G_PI_A0, arg_val);
+      break;
+  }
+  return 1;
+}
+
+#endif // HAS_MARLINUI_U8GLIB && !IS_U8GLIB_ST7920
+#endif // TARGET_LPC4078

Marlin/src/HAL/NATIVE_SIM/u8g/u8g_com_sw_spi.cpp

@@ -131,7 +131,7 @@ static uint8_t swSpiInit(const uint8_t spi_speed, const uint8_t clk_pin, const u
 }
 
 static void u8g_sw_spi_shift_out(uint8_t dataPin, uint8_t clockPin, uint8_t val) {
-  #if ANY(FYSETC_MINI_12864, MKS_MINI_12864)
+  #if U8G_SPI_USE_MODE_3
     swSpiTransfer_mode_3(val, SPI_speed, clockPin, -1, dataPin);
   #else
     swSpiTransfer_mode_0(val, SPI_speed, clockPin, -1, dataPin);
@@ -159,15 +159,15 @@ uint8_t u8g_com_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_pt
       break;
 
     case U8G_COM_MSG_CHIP_SELECT:
-      #if ANY(FYSETC_MINI_12864, MKS_MINI_12864)  // LCD SPI is running mode 3 while SD card is running mode 0
-        if (arg_val) {                            //   SCK idle state needs to be set to the proper idle state before
-                                                  //   the next chip select goes active
-          u8g_SetPILevel(u8g, U8G_PI_SCK, 1);     // Set SCK to mode 3 idle state before CS goes active
+      #if U8G_SPI_USE_MODE_3                    // LCD SPI is running mode 3 while SD card is running mode 0
+        if (arg_val) {                          // SCK idle state needs to be set to the proper idle state before
+                                                //  the next chip select goes active
+          u8g_SetPILevel(u8g, U8G_PI_SCK, 1);   // Set SCK to mode 3 idle state before CS goes active
           u8g_SetPILevel(u8g, U8G_PI_CS, LOW);
         }
         else {
           u8g_SetPILevel(u8g, U8G_PI_CS, HIGH);
-          u8g_SetPILevel(u8g, U8G_PI_SCK, 0);  // Set SCK to mode 0 idle state after CS goes inactive
+          u8g_SetPILevel(u8g, U8G_PI_SCK, 0);   // Set SCK to mode 0 idle state after CS goes inactive
         }
       #else
         u8g_SetPILevel(u8g, U8G_PI_CS, !arg_val);

Marlin/src/HAL/SAMD21/endstop_interrupts.h

@@ -83,6 +83,7 @@
 #define MATCH_Z4_MAX_EILINE(P) TERN0(USE_Z4_MAX, DEFER4(MATCH_EILINE)(P, Z4_MAX_PIN))
 #define MATCH_Z4_MIN_EILINE(P) TERN0(USE_Z4_MIN, DEFER4(MATCH_EILINE)(P, Z4_MIN_PIN))
 #define MATCH_Z_MIN_PROBE_EILINE(P) TERN0(USE_Z_MIN_PROBE, DEFER4(MATCH_EILINE)(P, Z_MIN_PROBE_PIN))
+#define MATCH_CALIBRATION_EILINE(P) TERN0(USE_CALIBRATION, DEFER4(MATCH_EILINE)(P, CALIBRATION_PIN))
 
 #define AVAILABLE_EILINE(P) ( PIN_TO_EILINE(P) != -1    \
   && !MATCH_X_MAX_EILINE(P) && !MATCH_X_MIN_EILINE(P)   \
@@ -99,7 +100,8 @@
   && !MATCH_Z2_MAX_EILINE(P) && !MATCH_Z2_MIN_EILINE(P) \
   && !MATCH_Z3_MAX_EILINE(P) && !MATCH_Z3_MIN_EILINE(P) \
   && !MATCH_Z4_MAX_EILINE(P) && !MATCH_Z4_MIN_EILINE(P) \
-  && !MATCH_Z_MIN_PROBE_EILINE(P) )
+  && !MATCH_Z_MIN_PROBE_EILINE(P)                       \
+  && !MATCH_CALIBRATION_EILINE(P) )
 
 // One ISR for all EXT-Interrupts
 void endstop_ISR() { endstops.update(); }
@@ -208,6 +210,12 @@ void setup_endstop_interrupts() {
     #endif
     _ATTACH(Z_MIN_PROBE_PIN);
   #endif
+  #if USE_CALIBRATION
+    #if !AVAILABLE_EILINE(CALIBRATION_PIN)
+      #error "CALIBRATION_PIN has no EXTINT line available. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(CALIBRATION_PIN);
+  #endif
   #if USE_I_MAX
     #if !AVAILABLE_EILINE(I_MAX_PIN)
       #error "I_MAX_PIN has no EXTINT line available. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."

Marlin/src/HAL/SAMD51/endstop_interrupts.h

@@ -82,6 +82,7 @@
 #define MATCH_Z4_MAX_EILINE(P) TERN0(USE_Z4_MAX, DEFER4(MATCH_EILINE)(P, Z4_MAX_PIN))
 #define MATCH_Z4_MIN_EILINE(P) TERN0(USE_Z4_MIN, DEFER4(MATCH_EILINE)(P, Z4_MIN_PIN))
 #define MATCH_Z_MIN_PROBE_EILINE(P) TERN0(USE_Z_MIN_PROBE, DEFER4(MATCH_EILINE)(P, Z_MIN_PROBE_PIN))
+#define MATCH_CALIBRATION_EILINE(P) TERN0(USE_CALIBRATION, DEFER4(MATCH_EILINE)(P, CALIBRATION_PIN))
 
 #define AVAILABLE_EILINE(P) ( PIN_TO_EILINE(P) != -1    \
   && !MATCH_X_MAX_EILINE(P) && !MATCH_X_MIN_EILINE(P)   \
@@ -98,7 +99,8 @@
   && !MATCH_Z2_MAX_EILINE(P) && !MATCH_Z2_MIN_EILINE(P) \
   && !MATCH_Z3_MAX_EILINE(P) && !MATCH_Z3_MIN_EILINE(P) \
   && !MATCH_Z4_MAX_EILINE(P) && !MATCH_Z4_MIN_EILINE(P) \
-  && !MATCH_Z_MIN_PROBE_EILINE(P) )
+  && !MATCH_Z_MIN_PROBE_EILINE(P)                       \
+  && !MATCH_CALIBRATION_EILINE(P) )
 
 // One ISR for all EXT-Interrupts
 void endstop_ISR() { endstops.update(); }
@@ -183,6 +185,12 @@ void setup_endstop_interrupts() {
     #endif
     _ATTACH(Z_MIN_PROBE_PIN);
   #endif
+  #if USE_CALIBRATION
+    #if !AVAILABLE_EILINE(CALIBRATION_PIN)
+      #error "CALIBRATION_PIN has no EXTINT line available. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
+    #endif
+    _ATTACH(CALIBRATION_PIN);
+  #endif
   #if USE_I_MAX
     #if !AVAILABLE_EILINE(I_MAX_PIN)
       #error "I_MAX_PIN has no EXTINT line available. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."

Marlin/src/HAL/STM32/HAL_SPI.cpp

@@ -37,7 +37,7 @@ static SPISettings spiConfig;
 // Public functions
 // ------------------------
 
-#if ENABLED(SOFTWARE_SPI)
+#if ANY(SOFTWARE_SPI, FORCE_SOFT_SPI)
 
   // ------------------------
   // Software SPI

Marlin/src/HAL/STM32/dogm/u8g_com_stm32duino_swspi.cpp

@@ -0,0 +1,136 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2024 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm / Ryan Power
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ *
+ */
+
+#ifdef HAL_STM32
+
+#include "../../../inc/MarlinConfig.h"
+
+#if ALL(HAS_MARLINUI_U8GLIB, FORCE_SOFT_SPI)
+
+#include <U8glib-HAL.h>
+#include "../../shared/HAL_SPI.h"
+
+#define nop asm volatile ("\tnop\n")
+
+static inline uint8_t swSpiTransfer_mode_0(uint8_t b) {
+  for (uint8_t i = 0; i < 8; ++i) {
+    const uint8_t state = (b & 0x80) ? HIGH : LOW;
+    WRITE(DOGLCD_SCK, HIGH);
+    WRITE(DOGLCD_MOSI, state);
+    b <<= 1;
+    WRITE(DOGLCD_SCK, LOW);
+  }
+  return b;
+}
+
+static inline uint8_t swSpiTransfer_mode_3(uint8_t b) {
+  for (uint8_t i = 0; i < 8; ++i) {
+    const uint8_t state = (b & 0x80) ? HIGH : LOW;
+    WRITE(DOGLCD_SCK, LOW);
+    WRITE(DOGLCD_MOSI, state);
+    b <<= 1;
+    WRITE(DOGLCD_SCK, HIGH);
+  }
+  return b;
+}
+
+static void u8g_sw_spi_shift_out(uint8_t val) {
+  #if U8G_SPI_USE_MODE_3
+    swSpiTransfer_mode_3(val);
+  #else
+    swSpiTransfer_mode_0(val);
+  #endif
+}
+
+static void swSpiInit() {
+  #if PIN_EXISTS(LCD_RESET)
+    SET_OUTPUT(LCD_RESET_PIN);
+  #endif
+  SET_OUTPUT(DOGLCD_A0);
+  OUT_WRITE(DOGLCD_SCK, LOW);
+  OUT_WRITE(DOGLCD_MOSI, LOW);
+  OUT_WRITE(DOGLCD_CS, HIGH);
+}
+
+uint8_t u8g_com_HAL_STM32_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr) {
+  switch (msg) {
+    case U8G_COM_MSG_INIT:
+      swSpiInit();
+      break;
+
+    case U8G_COM_MSG_STOP:
+      break;
+
+    case U8G_COM_MSG_RESET:
+      #if PIN_EXISTS(LCD_RESET)
+        WRITE(LCD_RESET_PIN, arg_val);
+      #endif
+      break;
+
+    case U8G_COM_MSG_CHIP_SELECT:
+      #if U8G_SPI_USE_MODE_3        // This LCD SPI is running mode 3 while SD card is running mode 0
+        if (arg_val) {              // SCK idle state needs to be set to the proper idle state before
+                                    //  the next chip select goes active
+          WRITE(DOGLCD_SCK, HIGH);  // Set SCK to mode 3 idle state before CS goes active
+          WRITE(DOGLCD_CS, LOW);
+          nop; // hold SCK high for a few ns
+          nop;
+         }
+        else {
+          WRITE(DOGLCD_CS, HIGH);
+          WRITE(DOGLCD_SCK, LOW);   // Set SCK to mode 0 idle state after CS goes inactive
+        }
+      #else
+        WRITE(DOGLCD_CS, !arg_val);
+      #endif
+      break;
+
+    case U8G_COM_MSG_WRITE_BYTE:
+      u8g_sw_spi_shift_out(arg_val);
+      break;
+
+    case U8G_COM_MSG_WRITE_SEQ: {
+      uint8_t *ptr = (uint8_t *)arg_ptr;
+      while (arg_val > 0) {
+        u8g_sw_spi_shift_out(*ptr++);
+        arg_val--;
+      }
+    } break;
+
+    case U8G_COM_MSG_WRITE_SEQ_P: {
+      uint8_t *ptr = (uint8_t *)arg_ptr;
+      while (arg_val > 0) {
+        u8g_sw_spi_shift_out(u8g_pgm_read(ptr));
+        ptr++;
+        arg_val--;
+      }
+    } break;
+
+    case U8G_COM_MSG_ADDRESS: /* define cmd (arg_val = 0) or data mode (arg_val = 1) */
+      WRITE(DOGLCD_A0, arg_val);
+      break;
+  }
+  return 1;
+}
+
+#endif // HAS_MARLINUI_U8GLIB && FORCE_SOFT_SPI
+#endif // HAL_STM32

Marlin/src/HAL/STM32/endstop_interrupts.h

@@ -45,6 +45,7 @@ void setup_endstop_interrupts() {
   TERN_(USE_Z4_MAX,      _ATTACH(Z4_MAX_PIN));
   TERN_(USE_Z4_MIN,      _ATTACH(Z4_MIN_PIN));
   TERN_(USE_Z_MIN_PROBE, _ATTACH(Z_MIN_PROBE_PIN));
+  TERN_(USE_CALIBRATION, _ATTACH(CALIBRATION_PIN));
   TERN_(USE_I_MAX,       _ATTACH(I_MAX_PIN));
   TERN_(USE_I_MIN,       _ATTACH(I_MIN_PIN));
   TERN_(USE_J_MAX,       _ATTACH(J_MAX_PIN));

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

@@ -30,6 +30,3 @@
   #undef F_CPU
   #define F_CPU BOARD_F_CPU
 #endif
-
-// The Sensitive Pins array is not optimizable
-#define RUNTIME_ONLY_ANALOG_TO_DIGITAL

Marlin/src/HAL/STM32/u8g/LCD_defines.h

@@ -25,8 +25,8 @@
  * STM32 LCD-specific defines
  */
 
-uint8_t u8g_com_std_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);         // See U8glib-HAL
-uint8_t u8g_com_stm32duino_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);  // See U8glib-HAL
+uint8_t u8g_com_HAL_STM32_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);   // u8g_com_stm32duino_swspi.cpp
+#define U8G_COM_HAL_SW_SPI_FN u8g_com_HAL_STM32_sw_spi_fn
 
-#define U8G_COM_HAL_SW_SPI_FN u8g_com_std_sw_spi_fn
+uint8_t u8g_com_stm32duino_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);  // See U8glib-HAL
 #define U8G_COM_HAL_HW_SPI_FN u8g_com_stm32duino_hw_spi_fn

Marlin/src/HAL/STM32F1/build_flags.py

@@ -1,56 +0,0 @@
-from __future__ import print_function
-import sys
-
-#dynamic build flags for generic compile options
-if __name__ == "__main__":
-  args = " ".join([ "-std=gnu++14",
-                    "-Os",
-                    "-mcpu=cortex-m3",
-                    "-mthumb",
-
-                    "-fsigned-char",
-                    "-fno-move-loop-invariants",
-                    "-fno-strict-aliasing",
-                    "-fsingle-precision-constant",
-
-                    "--specs=nano.specs",
-                    "--specs=nosys.specs",
-
-                    "-IMarlin/src/HAL/STM32F1",
-
-                    "-MMD",
-                    "-MP",
-                    "-DTARGET_STM32F1"
-                  ])
-
-  for i in range(1, len(sys.argv)):
-    args += " " + sys.argv[i]
-
-  print(args)
-
-# extra script for linker options
-else:
-  import pioutil
-  if pioutil.is_pio_build():
-    from SCons.Script import DefaultEnvironment
-    env = DefaultEnvironment()
-    env.Append(
-      ARFLAGS=["rcs"],
-
-      ASFLAGS=["-x", "assembler-with-cpp"],
-
-      CXXFLAGS=[
-        "-fabi-version=0",
-        "-fno-use-cxa-atexit",
-        "-fno-threadsafe-statics"
-      ],
-      LINKFLAGS=[
-        "-Os",
-        "-mcpu=cortex-m3",
-        "-ffreestanding",
-        "-mthumb",
-        "--specs=nano.specs",
-        "--specs=nosys.specs",
-        "-u_printf_float",
-      ],
-    )

Marlin/src/HAL/STM32F1/dogm/u8g_com_stm32duino_swspi.cpp

@@ -89,7 +89,7 @@ static inline uint8_t swSpiTransfer_mode_3(uint8_t b, const uint8_t spi_speed, c
 }
 
 static void u8g_sw_spi_shift_out(uint8_t val) {
-  #if ENABLED(FYSETC_MINI_12864)
+  #if U8G_SPI_USE_MODE_3
     swSpiTransfer_mode_3(val, SPI_speed);
   #else
     swSpiTransfer_mode_0(val, SPI_speed);
@@ -123,15 +123,15 @@ uint8_t u8g_com_HAL_STM32F1_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val,
       break;
 
     case U8G_COM_MSG_CHIP_SELECT:
-      #if ENABLED(FYSETC_MINI_12864) // This LCD SPI is running mode 3 while SD card is running mode 0
-        if (arg_val) {               // SCK idle state needs to be set to the proper idle state before
-                                     // the next chip select goes active
-          WRITE(DOGLCD_SCK, HIGH);   // Set SCK to mode 3 idle state before CS goes active
+      #if U8G_SPI_USE_MODE_3        // This LCD SPI is running mode 3 while SD card is running mode 0
+        if (arg_val) {              // SCK idle state needs to be set to the proper idle state before
+                                    //  the next chip select goes active
+          WRITE(DOGLCD_SCK, HIGH);  // Set SCK to mode 3 idle state before CS goes active
           WRITE(DOGLCD_CS, LOW);
         }
         else {
           WRITE(DOGLCD_CS, HIGH);
-          WRITE(DOGLCD_SCK, LOW);  // Set SCK to mode 0 idle state after CS goes inactive
+          WRITE(DOGLCD_SCK, LOW);   // Set SCK to mode 0 idle state after CS goes inactive
         }
       #else
         WRITE(DOGLCD_CS, !arg_val);

Marlin/src/HAL/STM32F1/endstop_interrupts.h

@@ -70,6 +70,7 @@ void setup_endstop_interrupts() {
   TERN_(USE_Z4_MAX,      _ATTACH(Z4_MAX_PIN));
   TERN_(USE_Z4_MIN,      _ATTACH(Z4_MIN_PIN));
   TERN_(USE_Z_MIN_PROBE, _ATTACH(Z_MIN_PROBE_PIN));
+  TERN_(USE_CALIBRATION, _ATTACH(CALIBRATION_PIN));
   TERN_(USE_I_MAX,       _ATTACH(I_MAX_PIN));
   TERN_(USE_I_MIN,       _ATTACH(I_MIN_PIN));
   TERN_(USE_J_MAX,       _ATTACH(J_MAX_PIN));

Marlin/src/HAL/STM32F1/u8g/LCD_defines.h

@@ -25,7 +25,7 @@
  * STM32F1 (Maple) LCD-specific defines
  */
 
-uint8_t u8g_com_HAL_STM32F1_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);
+uint8_t u8g_com_HAL_STM32F1_sw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr); // u8g_com_stm32duino_swspi.cpp
 uint8_t u8g_com_stm32duino_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr);  // See U8glib-HAL
 
 #define U8G_COM_HAL_SW_SPI_FN     u8g_com_HAL_STM32F1_sw_spi_fn

Marlin/src/HAL/TEENSY31_32/endstop_interrupts.h

@@ -64,6 +64,7 @@ void setup_endstop_interrupts() {
   TERN_(USE_Z4_MAX,      _ATTACH(Z4_MAX_PIN));
   TERN_(USE_Z4_MIN,      _ATTACH(Z4_MIN_PIN));
   TERN_(USE_Z_MIN_PROBE, _ATTACH(Z_MIN_PROBE_PIN));
+  TERN_(USE_CALIBRATION, _ATTACH(CALIBRATION_PIN));
   TERN_(USE_I_MAX,       _ATTACH(I_MAX_PIN));
   TERN_(USE_I_MIN,       _ATTACH(I_MIN_PIN));
   TERN_(USE_J_MAX,       _ATTACH(J_MAX_PIN));

Marlin/src/HAL/TEENSY35_36/endstop_interrupts.h

@@ -63,6 +63,7 @@ void setup_endstop_interrupts() {
   TERN_(USE_Z4_MAX,      _ATTACH(Z4_MAX_PIN));
   TERN_(USE_Z4_MIN,      _ATTACH(Z4_MIN_PIN));
   TERN_(USE_Z_MIN_PROBE, _ATTACH(Z_MIN_PROBE_PIN));
+  TERN_(USE_CALIBRATION, _ATTACH(CALIBRATION_PIN));
   TERN_(USE_I_MAX,       _ATTACH(I_MAX_PIN));
   TERN_(USE_I_MIN,       _ATTACH(I_MIN_PIN));
   TERN_(USE_J_MAX,       _ATTACH(J_MAX_PIN));

Marlin/src/HAL/TEENSY40_41/endstop_interrupts.h

@@ -63,6 +63,7 @@ void setup_endstop_interrupts() {
   TERN_(USE_Z4_MAX,      _ATTACH(Z4_MAX_PIN));
   TERN_(USE_Z4_MIN,      _ATTACH(Z4_MIN_PIN));
   TERN_(USE_Z_MIN_PROBE, _ATTACH(Z_MIN_PROBE_PIN));
+  TERN_(USE_CALIBRATION, _ATTACH(CALIBRATION_PIN));
   TERN_(USE_I_MAX,       _ATTACH(I_MAX_PIN));
   TERN_(USE_I_MIN,       _ATTACH(I_MIN_PIN));
   TERN_(USE_J_MAX,       _ATTACH(J_MAX_PIN));

Marlin/src/HAL/TEENSY40_41/timers.h

@@ -36,13 +36,13 @@
 typedef uint32_t hal_timer_t;
 #define HAL_TIMER_TYPE_MAX 0xFFFFFFFE
 
-#define GPT_TIMER_RATE F_BUS_ACTUAL   // 150MHz
+#define GPT_TIMER_RATE (F_CPU / 4) // 150MHz (Can't use F_BUS_ACTUAL because it's extern volatile)
 
 #define GPT1_TIMER_PRESCALE 2
 #define GPT2_TIMER_PRESCALE 10
 
-#define GPT1_TIMER_RATE (GPT_TIMER_RATE / GPT1_TIMER_PRESCALE) // 75MHz
-#define GPT2_TIMER_RATE (GPT_TIMER_RATE / GPT2_TIMER_PRESCALE) // 15MHz
+#define GPT1_TIMER_RATE (GPT_TIMER_RATE / GPT1_TIMER_PRESCALE) // 150MHz /  2 = 75MHz
+#define GPT2_TIMER_RATE (GPT_TIMER_RATE / GPT2_TIMER_PRESCALE) // 150MHz / 10 = 15MHz
 
 #ifndef MF_TIMER_STEP
   #define MF_TIMER_STEP         0  // Timer Index for Stepper
@@ -57,7 +57,8 @@ typedef uint32_t hal_timer_t;
 #define TEMP_TIMER_RATE        1000000
 #define TEMP_TIMER_FREQUENCY   1000
 
-#define STEPPER_TIMER_RATE     GPT1_TIMER_RATE
+#define HAL_TIMER_RATE         GPT1_TIMER_RATE
+#define STEPPER_TIMER_RATE     HAL_TIMER_RATE
 #define STEPPER_TIMER_TICKS_PER_US ((STEPPER_TIMER_RATE) / 1000000)
 #define STEPPER_TIMER_PRESCALE ((GPT_TIMER_RATE / 1000000) / STEPPER_TIMER_TICKS_PER_US)
 

Marlin/src/HAL/platforms.h

@@ -37,6 +37,8 @@
   #define HAL_PATH(PATH, NAME) XSTR(PATH/HAL/LPC1768/NAME)
 #elif defined(ARDUINO_ARCH_HC32)
   #define HAL_PATH(PATH, NAME) XSTR(PATH/HAL/HC32/NAME)
+#elif defined(TARGET_LPC4078)
+  #define HAL_PATH(PATH, NAME) XSTR(PATH/HAL/LPC4078/NAME)
 #elif defined(__STM32F1__) || defined(TARGET_STM32F1)
   #define HAL_PATH(PATH, NAME) XSTR(PATH/HAL/STM32F1/NAME)
 #elif defined(ARDUINO_ARCH_STM32)

Marlin/src/HAL/shared/servo.h

@@ -76,6 +76,8 @@
   #include "../LPC1768/Servo.h"
 #elif defined(ARDUINO_ARCH_HC32)
   #include "../HC32/Servo.h"
+#elif defined(TARGET_LPC4078)
+  #include "../LPC4078/Servo.h"
 #elif defined(__STM32F1__) || defined(TARGET_STM32F1)
   #include "../STM32F1/Servo.h"
 #elif defined(ARDUINO_ARCH_STM32)

Marlin/src/MarlinCore.cpp

@@ -263,7 +263,7 @@
 
 PGMSTR(M112_KILL_STR, "M112 Shutdown");
 
-MarlinState marlin_state = MF_INITIALIZING;
+MarlinState marlin_state = MarlinState::MF_INITIALIZING;
 
 // For M109 and M190, this flag may be cleared (by M108) to exit the wait loop
 bool wait_for_heatup = false;
@@ -308,23 +308,12 @@ bool wait_for_heatup = false;
 #pragma GCC diagnostic push
 #pragma GCC diagnostic ignored "-Wnarrowing"
 
-#ifndef RUNTIME_ONLY_ANALOG_TO_DIGITAL
-  template <pin_t ...D>
-  constexpr pin_t OnlyPins<_SP_END, D...>::table[sizeof...(D)];
-#endif
-
 bool pin_is_protected(const pin_t pin) {
-  #ifdef RUNTIME_ONLY_ANALOG_TO_DIGITAL
-    static const pin_t sensitive_pins[] PROGMEM = { SENSITIVE_PINS };
-    const size_t pincount = COUNT(sensitive_pins);
-  #else
-    static constexpr size_t pincount = OnlyPins<SENSITIVE_PINS>::size;
-    static const pin_t (&sensitive_pins)[pincount] PROGMEM = OnlyPins<SENSITIVE_PINS>::table;
-  #endif
-  for (uint8_t i = 0; i < pincount; ++i) {
-    const pin_t * const pptr = &sensitive_pins[i];
-    if (pin == (sizeof(pin_t) == 2 ? (pin_t)pgm_read_word(pptr) : (pin_t)pgm_read_byte(pptr))) return true;
-  }
+  #define pgm_read_pin(P) (sizeof(pin_t) == 2 ? (pin_t)pgm_read_word(P) : (pin_t)pgm_read_byte(P))
+  for (uint8_t i = 0; i < COUNT(sensitive_dio); ++i)
+    if (pin == pgm_read_pin(&sensitive_dio[i])) return true;
+  for (uint8_t i = 0; i < COUNT(sensitive_aio); ++i)
+    if (pin == analogInputToDigitalPin(pgm_read_pin(&sensitive_dio[i]))) return true;
   return false;
 }
 
@@ -388,8 +377,8 @@ void startOrResumeJob() {
   }
 
   inline void finishSDPrinting() {
-    if (queue.enqueue_one(F("M1001"))) {  // Keep trying until it gets queued
-      marlin_state = MF_RUNNING;          // Signal to stop trying
+    if (queue.enqueue_one(F("M1001"))) {      // Keep trying until it gets queued
+      marlin_state = MarlinState::MF_RUNNING; // Signal to stop trying
       TERN_(PASSWORD_AFTER_SD_PRINT_END, password.lock_machine());
       TERN_(DGUS_LCD_UI_MKS, screen.sdPrintingFinished());
     }
@@ -784,7 +773,7 @@ void idle(const bool no_stepper_sleep/*=false*/) {
   TERN_(MAX7219_DEBUG, max7219.idle_tasks());
 
   // Return if setup() isn't completed
-  if (marlin_state == MF_INITIALIZING) goto IDLE_DONE;
+  if (marlin_state == MarlinState::MF_INITIALIZING) goto IDLE_DONE;
 
   // TODO: Still causing errors
   TERN_(TOOL_SENSOR, (void)check_tool_sensor_stats(active_extruder, true));
@@ -970,7 +959,7 @@ void stop() {
     SERIAL_ERROR_MSG(STR_ERR_STOPPED);
     LCD_MESSAGE(MSG_STOPPED);
     safe_delay(350);       // allow enough time for messages to get out before stopping
-    marlin_state = MF_STOPPED;
+    marlin_state = MarlinState::MF_STOPPED;
   }
 }
 
@@ -1330,18 +1319,23 @@ void setup() {
     #endif
   #endif
 
-  #if ALL(HAS_MEDIA, SDCARD_EEPROM_EMULATION)
+  #if HAS_MEDIA && ANY(SDCARD_EEPROM_EMULATION, POWER_LOSS_RECOVERY)
     SETUP_RUN(card.mount());          // Mount media with settings before first_load
   #endif
 
-  SETUP_RUN(settings.first_load());   // Load data from EEPROM if available (or use defaults)
-                                      // This also updates variables in the planner, elsewhere
+  // Prepare some LCDs to display early
+  #if HAS_EARLY_LCD_SETTINGS
+    SETUP_RUN(settings.load_lcd_state());
+  #endif
 
   #if ALL(HAS_WIRED_LCD, SHOW_BOOTSCREEN)
     SETUP_RUN(ui.show_bootscreen());
     const millis_t bootscreen_ms = millis();
   #endif
 
+  SETUP_RUN(settings.first_load());   // Load data from EEPROM if available (or use defaults)
+                                      // This also updates variables in the planner, elsewhere
+
   #if ENABLED(PROBE_TARE)
     SETUP_RUN(probe.tare_init());
   #endif
@@ -1652,7 +1646,7 @@ void setup() {
     SETUP_RUN(ftMotion.init());
   #endif
 
-  marlin_state = MF_RUNNING;
+  marlin_state = MarlinState::MF_RUNNING;
 
   #ifdef STARTUP_TUNE
     // Play a short startup tune before continuing.
@@ -1684,7 +1678,7 @@ void loop() {
 
     #if HAS_MEDIA
       if (card.flag.abort_sd_printing) abortSDPrinting();
-      if (marlin_state == MF_SD_COMPLETE) finishSDPrinting();
+      if (marlin_state == MarlinState::MF_SD_COMPLETE) finishSDPrinting();
     #endif
 
     queue.advance();

Marlin/src/MarlinCore.h

@@ -42,7 +42,7 @@ void kill(FSTR_P const lcd_error=nullptr, FSTR_P const lcd_component=nullptr, co
 void minkill(const bool steppers_off=false);
 
 // Global State of the firmware
-enum MarlinState : uint8_t {
+enum class MarlinState : uint8_t {
   MF_INITIALIZING = 0,
   MF_STOPPED,
   MF_KILLED,
@@ -53,8 +53,8 @@ enum MarlinState : uint8_t {
 };
 
 extern MarlinState marlin_state;
-inline bool IsRunning() { return marlin_state >= MF_RUNNING; }
-inline bool IsStopped() { return marlin_state == MF_STOPPED; }
+inline bool IsRunning() { return marlin_state >= MarlinState::MF_RUNNING; }
+inline bool IsStopped() { return marlin_state == MarlinState::MF_STOPPED; }
 
 bool printingIsActive();
 bool printJobOngoing();

Marlin/src/core/boards.h

@@ -410,6 +410,7 @@
 
 #define BOARD_TEENSY31_32             5100  // Teensy3.1 and Teensy3.2
 #define BOARD_TEENSY35_36             5101  // Teensy3.5 and Teensy3.6
+#define BOARD_EBAB                    5102
 
 //
 // STM32 ARM Cortex-M4F

Marlin/src/core/drivers.h

@@ -103,7 +103,8 @@
 
 #define HAS_TRINAMIC HAS_TRINAMIC_CONFIG
 
-#if (    HAS_DRIVER(TMC2130_STANDALONE) || HAS_DRIVER(TMC2160_STANDALONE) \
+#if (    HAS_DRIVER(TMC2100) \
+      || HAS_DRIVER(TMC2130_STANDALONE) || HAS_DRIVER(TMC2160_STANDALONE) \
       || HAS_DRIVER(TMC2208_STANDALONE) || HAS_DRIVER(TMC2209_STANDALONE) \
       || HAS_DRIVER(TMC2660_STANDALONE) || HAS_DRIVER(TMC5130_STANDALONE) \
       || HAS_DRIVER(TMC5160_STANDALONE) )

Marlin/src/core/language.h

@@ -355,6 +355,8 @@
 #define STR_PROBE_EN                        "probe_en"
 #define STR_FILAMENT                        "filament"
 
+#define STR_CALIBRATION                     "calibration"
+
 // General axis names
 #define STR_X "X"
 #define STR_Y "Y"

Marlin/src/core/macros.h

@@ -55,9 +55,6 @@
   #define CYCLES_PER_MICROSECOND (F_CPU / 1000000UL) // 16 or 20 on AVR
 #endif
 
-// Nanoseconds per cycle
-#define NANOSECONDS_PER_CYCLE (1000000000.0 / F_CPU)
-
 // Macros to make a string from a macro
 #define STRINGIFY_(M) #M
 #define STRINGIFY(M) STRINGIFY_(M)

Marlin/src/feature/backlash.cpp

@@ -171,13 +171,14 @@ int32_t Backlash::get_applied_steps(const AxisEnum axis) {
 
   const int32_t residual_error_axis = residual_error[axis];
 
-  // At startup it is assumed the last move was forward.
-  // So the applied steps will always be negative.
+  // At startup, when no steps are applied, it is assumed the last move was backwards.
+  // So the applied steps will always be zero (when moving backwards) or a positive
+  // number (when moving forwards).
 
-  if (forward) return -residual_error_axis;
+  if (!forward) return -residual_error_axis;
 
   const float f_corr = float(correction) / all_on;
-  const int32_t full_error_axis = -f_corr * distance_mm[axis] * planner.settings.axis_steps_per_mm[axis];
+  const int32_t full_error_axis = f_corr * distance_mm[axis] * planner.settings.axis_steps_per_mm[axis];
   return full_error_axis - residual_error_axis;
 }
 

Marlin/src/feature/leds/leds.cpp

@@ -239,7 +239,7 @@ void LEDLights::set_color(const LEDColor &incol
   void LEDLights::toggle() { if (lights_on) set_off(); else update(); }
 #endif
 
-#if LED_POWEROFF_TIMEOUT > 0
+#if HAS_LED_POWEROFF_TIMEOUT
 
   millis_t LEDLights::led_off_time; // = 0
 

Marlin/src/feature/leds/leds.h

@@ -164,11 +164,11 @@ public:
   #if ENABLED(LED_CONTROL_MENU)
     static void toggle();  // swap "off" with color
   #endif
-  #if ANY(LED_CONTROL_MENU, CASE_LIGHT_USE_RGB_LED) || LED_POWEROFF_TIMEOUT > 0
+  #if ANY(LED_CONTROL_MENU, CASE_LIGHT_USE_RGB_LED, HAS_LED_POWEROFF_TIMEOUT)
     static void update() { set_color(color); }
   #endif
 
-  #if LED_POWEROFF_TIMEOUT > 0
+  #if HAS_LED_POWEROFF_TIMEOUT
     private:
       static millis_t led_off_time;
     public:

Marlin/src/feature/powerloss.cpp

@@ -205,6 +205,9 @@ void PrintJobRecovery::save(const bool force/*=false*/, const float zraise/*=POW
     // info.sdpos and info.current_position are pre-filled from the Stepper ISR
 
     info.feedrate = uint16_t(MMS_TO_MMM(feedrate_mm_s));
+    info.feedrate_percentage = feedrate_percentage;
+    COPY(info.flow_percentage, planner.flow_percentage);
+
     info.zraise = zraise;
     info.flag.raised = raised;                      // Was Z raised before power-off?
 
@@ -216,7 +219,7 @@ void PrintJobRecovery::save(const bool force/*=false*/, const float zraise/*=POW
     #if DISABLED(NO_VOLUMETRICS)
       info.flag.volumetric_enabled = parser.volumetric_enabled;
       #if HAS_MULTI_EXTRUDER
-        EXTRUDER_LOOP() info.filament_size[e] = planner.filament_size[e];
+        COPY(info.filament_size, planner.filament_size);
       #else
         if (parser.volumetric_enabled) info.filament_size[0] = planner.filament_size[active_extruder];
       #endif
@@ -269,7 +272,10 @@ void PrintJobRecovery::save(const bool force/*=false*/, const float zraise/*=POW
 
         #if POWER_LOSS_RETRACT_LEN
           // Retract filament now
-          gcode.process_subcommands_now(F("G1 F3000 E-" STRINGIFY(POWER_LOSS_RETRACT_LEN)));
+          const uint16_t old_flow = planner.flow_percentage[active_extruder];
+          planner.set_flow(active_extruder, 100);
+          gcode.process_subcommands_now(F("G1F3000E-" STRINGIFY(POWER_LOSS_RETRACT_LEN)));
+          planner.set_flow(active_extruder, old_flow);
         #endif
 
         #if POWER_LOSS_ZRAISE
@@ -555,8 +561,12 @@ void PrintJobRecovery::resume() {
   // Move back down to the saved Z for printing
   PROCESS_SUBCOMMANDS_NOW(TS(F("G1F600Z"), p_float_t(z_print, 3)));
 
-  // Restore the feedrate
+  // Restore the feedrate and percentage
   PROCESS_SUBCOMMANDS_NOW(TS(F("G1F"), info.feedrate));
+  feedrate_percentage = info.feedrate_percentage;
+
+  // Flowrate percentage
+  EXTRUDER_LOOP() planner.set_flow(e, info.flow_percentage[e]);
 
   // Restore E position with G92.9
   PROCESS_SUBCOMMANDS_NOW(TS(F("G92.9E"), p_float_t(resume_pos.e, 3)));
@@ -589,7 +599,8 @@ void PrintJobRecovery::resume() {
         }
         DEBUG_EOL();
 
-        DEBUG_ECHOLNPGM("feedrate: ", info.feedrate);
+        DEBUG_ECHOLN(F("feedrate: "), info.feedrate, F(" x "), info.feedrate_percentage, '%');
+        EXTRUDER_LOOP() DEBUG_ECHOLN('E', e + 1, F(" flow %: "), info.flow_percentage[e]);
 
         DEBUG_ECHOLNPGM("zraise: ", info.zraise, " ", info.flag.raised ? "(before)" : "");
 

Marlin/src/feature/powerloss.h

@@ -59,6 +59,8 @@ typedef struct {
   // Machine state
   xyze_pos_t current_position;
   uint16_t feedrate;
+  int16_t feedrate_percentage;
+  uint16_t flow_percentage[EXTRUDERS];
 
   float zraise;
 

Marlin/src/gcode/calibrate/G425.cpp

@@ -181,20 +181,6 @@ inline void park_above_object(measurements_t &m, const float uncertainty) {
 
 #endif
 
-#if !PIN_EXISTS(CALIBRATION)
-  #include "../../module/probe.h"
-#endif
-
-inline bool read_calibration_pin() {
-  return (
-    #if PIN_EXISTS(CALIBRATION)
-      READ(CALIBRATION_PIN) != CALIBRATION_PIN_INVERTING
-    #else
-      PROBE_TRIGGERED()
-    #endif
-  );
-}
-
 /**
  * Move along axis in the specified dir until the probe value becomes stop_state,
  * then return the axis value.
@@ -205,18 +191,18 @@ inline bool read_calibration_pin() {
  *   fast         in - Fast vs. precise measurement
  */
 float measuring_movement(const AxisEnum axis, const int dir, const bool stop_state, const bool fast) {
-  const float step     = fast ? 0.25 : CALIBRATION_MEASUREMENT_RESOLUTION;
   const feedRate_t mms = fast ? MMM_TO_MMS(CALIBRATION_FEEDRATE_FAST) : MMM_TO_MMS(CALIBRATION_FEEDRATE_SLOW);
   const float limit    = fast ? 50 : 5;
 
   destination = current_position;
-  for (float travel = 0; travel < limit; travel += step) {
-    destination[axis] += dir * step;
-    do_blocking_move_to((xyz_pos_t)destination, mms);
-    planner.synchronize();
-    if (read_calibration_pin() == stop_state) break;
-  }
-  return destination[axis];
+  destination[axis] += dir * limit;
+  endstops.enable_calibration_probe(true, stop_state);
+  do_blocking_move_to((xyz_pos_t)destination, mms);
+  endstops.enable_calibration_probe(false);
+  endstops.hit_on_purpose();
+  set_current_from_steppers_for_axis(axis);
+  sync_plan_position();
+  return current_position[axis];
 }
 
 /**

Marlin/src/gcode/control/M80_M81.cpp

@@ -112,9 +112,9 @@ void GcodeSuite::M81() {
     return;
   }
 
-  #if HAS_SUICIDE
-    suicide();
-  #elif ENABLED(PSU_CONTROL)
+  #if ENABLED(PSU_CONTROL)
     powerManager.power_off_soon();
+  #elif HAS_SUICIDE
+    suicide();
   #endif
 }

Marlin/src/gcode/control/M999.cpp

@@ -36,7 +36,7 @@
  * existing command buffer.
  */
 void GcodeSuite::M999() {
-  marlin_state = MF_RUNNING;
+  marlin_state = MarlinState::MF_RUNNING;
   ui.reset_alert_level();
 
   if (parser.boolval('S')) return;

Marlin/src/gcode/feature/nonlinear/M592.cpp

@@ -35,12 +35,12 @@ void GcodeSuite::M592_report(const bool forReplay/*=true*/) {
 
 /**
  * M592: Get or set nonlinear extrusion parameters
- *  A<factor>   Linear coefficient (default 0.0)
- *  B<factor>   Quadratic coefficient (default 0.0)
+ *  A<factor>   Quadratic coefficient (default 0.0)
+ *  B<factor>   Linear coefficient (default 0.0)
  *  C<factor>   Constant coefficient (default 1.0)
  *
  * Adjusts the amount of extrusion based on the instantaneous velocity of extrusion, as a multiplier.
- * The amount of extrusion is multiplied by max(C, C + A*v + B*v^2) where v is extruder velocity in mm/s.
+ * The amount of extrusion is multiplied by max(C, A*v^2 + B*v + C) where v is extruder velocity in mm/s.
  * Only adjusts forward extrusions, since those are the ones affected by backpressure.
  */
 void GcodeSuite::M592() {

Marlin/src/inc/Changes.h

@@ -497,6 +497,8 @@
   #error "DIGIPOT_I2C is now DIGIPOT_MCP4451 (or DIGIPOT_MCP4018)."
 #elif defined(TOUCH_BUTTONS)
   #error "TOUCH_BUTTONS is now TOUCH_SCREEN."
+#elif defined(DISABLE_ENCODER)
+  #error "DISABLE_ENCODER is now NO_BACK_MENU_ITEM."
 #elif defined(LCD_FULL_PIXEL_HEIGHT) || defined(LCD_FULL_PIXEL_WIDTH)
   #error "LCD_FULL_PIXEL_(WIDTH|HEIGHT) is deprecated and should be removed."
 #elif defined(FSMC_UPSCALE)
@@ -641,6 +643,8 @@
   #error "PROBE_PT_[123]_[XY] is now defined using PROBE_PT_[123] with an array { x, y }."
 #elif defined(SQUARE_WAVE_STEPPING)
   #error "SQUARE_WAVE_STEPPING is now EDGE_STEPPING."
+#elif defined(MINIMUM_STEPPER_PULSE)
+  #error "MINIMUM_STEPPER_PULSE (in µs) is now MINIMUM_STEPPER_PULSE_NS. Multiply old MINIMUM_STEPPER_PULSE x 1000!"
 #elif defined(FAN_PIN)
   #error "FAN_PIN is now FAN0_PIN."
 #elif defined(X_MIN_ENDSTOP_INVERTING) || defined(Y_MIN_ENDSTOP_INVERTING) || defined(Z_MIN_ENDSTOP_INVERTING) \
@@ -693,6 +697,8 @@
   #error "Z_PROBE_END_SCRIPT is now EVENT_GCODE_AFTER_G29."
 #elif defined(WIFI_SERIAL)
   #error "WIFI_SERIAL is now WIFI_SERIAL_PORT."
+#elif defined(CALIBRATION_MEASUREMENT_RESOLUTION)
+  #error "CALIBRATION_MEASUREMENT_RESOLUTION is no longer needed and should be removed."
 #endif
 
 // Changes to Probe Temp Compensation (#17392)

Marlin/src/inc/Conditionals_LCD.h

@@ -654,11 +654,11 @@
 
 #elif ENABLED(ZONESTAR_12864OLED)
   #define IS_RRD_SC 1
-  #define U8GLIB_SH1106
+  #define U8GLIB_SH1106_SPI
 
 #elif ENABLED(ZONESTAR_12864OLED_SSD1306)
   #define IS_RRD_SC 1
-  #define IS_U8GLIB_SSD1306
+  #define U8GLIB_SSD1306_SPI
 
 #elif ENABLED(RADDS_DISPLAY)
   #define IS_ULTIPANEL 1
@@ -716,7 +716,7 @@
 
 #elif ENABLED(SAV_3DGLCD)
 
-  #ifdef U8GLIB_SSD1306
+  #if ENABLED(U8GLIB_SSD1306)
     #define IS_U8GLIB_SSD1306 // Allow for U8GLIB_SSD1306 + SAV_3DGLCD
   #endif
   #define IS_NEWPANEL 1
@@ -815,6 +815,10 @@
 
 #endif
 
+#if ANY(FYSETC_MINI_12864, MKS_MINI_12864)
+  #define U8G_SPI_USE_MODE_3 1
+#endif
+
 // ST7920-based graphical displays
 #if ANY(IS_RRD_FG_SC, LCD_FOR_MELZI, SILVER_GATE_GLCD_CONTROLLER)
   #define DOGLCD
@@ -853,9 +857,12 @@
   #define STD_ENCODER_STEPS_PER_MENU_ITEM 1
 #endif
 
-// 128x64 I2C OLED LCDs - SSD1306/SSD1309/SH1106
+// 128x64 I2C OLED LCDs (SSD1306 / SSD1309 / SH1106)
+// ...and 128x64 SPI OLED LCDs (SSD1306 / SH1106)
 #if ANY(U8GLIB_SSD1306, U8GLIB_SSD1309, U8GLIB_SH1106)
   #define HAS_U8GLIB_I2C_OLED 1
+#endif
+#if ANY(HAS_U8GLIB_I2C_OLED, U8GLIB_SSD1306_SPI, U8GLIB_SH1106_SPI)
   #define HAS_WIRED_LCD 1
   #define DOGLCD
 #endif
@@ -1095,6 +1102,9 @@
    *  - poweroff        (for PSU_CONTROL and HAS_MARLINUI_MENU)
    *
    *  ...and implements these MarlinUI methods:
+   *  - init_lcd
+   *  - clear_lcd
+   *  - clear_for_drawing
    *  - zoffset_overlay (if BABYSTEP_GFX_OVERLAY or MESH_EDIT_GFX_OVERLAY are supported)
    *  - draw_kill_screen
    *  - kill_screen
@@ -1888,6 +1898,10 @@
   #define NEOPIXEL_BKGD_INDEX_LAST NEOPIXEL_BKGD_INDEX_FIRST
 #endif
 
+#if LED_POWEROFF_TIMEOUT > 0
+  #define HAS_LED_POWEROFF_TIMEOUT 1
+#endif
+
 #if ALL(SPI_FLASH, HAS_MEDIA, MARLIN_DEV_MODE)
   #define SPI_FLASH_BACKUP 1
 #endif