Version 2.0.5.2

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

.github/workflows/test-builds.yml

@@ -29,7 +29,7 @@ jobs:
         - DUE
         - esp32
         - linux_native
-        - megaatmega2560
+        - mega2560
         - teensy31
         - teensy35
         - SAMD51_grandcentral_m4
@@ -37,22 +37,23 @@ jobs:
         # Extended AVR Environments
 
         - FYSETC_F6_13
-        - megaatmega1280
+        - mega1280
         - rambo
-        - sanguino_atmega1284p
-        - sanguino_atmega644p
+        - sanguino1284p
+        - sanguino644p
 
         # Extended STM32 Environments
 
-        - STM32F103RC_bigtree
-        - STM32F103RC_bigtree_USB
-        - STM32F103RE_bigtree
-        - STM32F103RE_bigtree_USB
+        - STM32F103RC_btt
+        - STM32F103RC_btt_USB
+        - STM32F103RE_btt
+        - STM32F103RE_btt_USB
         - STM32F103RC_fysetc
         - jgaurora_a5s_a1
         - STM32F103VE_longer
         - STM32F407VE_black
         - BIGTREE_SKR_PRO
+        - BIGTREE_GTR_V1_0
         - mks_robin
         - ARMED
         - FYSETC_S6

Marlin/Configuration.h

@@ -36,7 +36,7 @@
  * Advanced settings can be found in Configuration_adv.h
  *
  */
-#define CONFIGURATION_H_VERSION 020004
+#define CONFIGURATION_H_VERSION 020005
 
 //===========================================================================
 //============================= Getting Started =============================
@@ -99,6 +99,7 @@
 /**
  * Select the serial port on the board to use for communication with the host.
  * This allows the connection of wireless adapters (for instance) to non-default port pins.
+ * Serial port -1 is the USB emulated serial port, if available.
  * Note: The first serial port (-1 or 0) will always be used by the Arduino bootloader.
  *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
@@ -107,9 +108,6 @@
 
 /**
  * Select a secondary serial port on the board to use for communication with the host.
- * This allows the connection of wireless adapters (for instance) to non-default port pins.
- * Serial port -1 is the USB emulated serial port, if available.
- *
  * :[-1, 0, 1, 2, 3, 4, 5, 6, 7]
  */
 //#define SERIAL_PORT_2 -1
@@ -363,6 +361,7 @@
  *   331 : (3.3V scaled thermistor 1 table for MEGA)
  *   332 : (3.3V scaled thermistor 1 table for DUE)
  *     2 : 200k thermistor - ATC Semitec 204GT-2 (4.7k pullup)
+ *   202 : 200k thermistor - Copymaster 3D
  *     3 : Mendel-parts thermistor (4.7k pullup)
  *     4 : 10k thermistor !! do not use it for a hotend. It gives bad resolution at high temp. !!
  *     5 : 100K thermistor - ATC Semitec 104GT-2/104NT-4-R025H42G (Used in ParCan & J-Head) (4.7k pullup)
@@ -925,6 +924,14 @@
   #define SMART_EFFECTOR_MOD_PIN  -1  // Connect a GPIO pin to the Smart Effector MOD pin
 #endif
 
+/**
+ * Use StallGuard2 to probe the bed with the nozzle.
+ * Requires stallGuard-capable Trinamic stepper drivers.
+ * CAUTION: This can damage machines with Z lead screws.
+ *          Take extreme care when setting up this feature.
+ */
+//#define SENSORLESS_PROBING
+
 //
 // For Z_PROBE_ALLEN_KEY see the Delta example configurations.
 //
@@ -1438,6 +1445,7 @@
 //#define EEPROM_SETTINGS     // Persistent storage with M500 and M501
 //#define DISABLE_M503        // Saves ~2700 bytes of PROGMEM. Disable for release!
 #define EEPROM_CHITCHAT       // Give feedback on EEPROM commands. Disable to save PROGMEM.
+#define EEPROM_BOOT_SILENT    // Keep M503 quiet and only give errors during first load
 #if ENABLED(EEPROM_SETTINGS)
   //#define EEPROM_AUTO_INIT  // Init EEPROM automatically on any errors.
 #endif

Marlin/Configuration_adv.h

@@ -31,7 +31,7 @@
  * Basic settings can be found in Configuration.h
  *
  */
-#define CONFIGURATION_ADV_H_VERSION 020004
+#define CONFIGURATION_ADV_H_VERSION 020005
 
 // @section temperature
 
@@ -276,8 +276,10 @@
   #define AUTOTEMP_OLDWEIGHT 0.98
 #endif
 
-// Show extra position information with 'M114 D'
-//#define M114_DETAIL
+// Extra options for the M114 "Current Position" report
+//#define M114_DETAIL         // Use 'M114` for details to check planner calculations
+//#define M114_REALTIME       // Real current position based on forward kinematics
+//#define M114_LEGACY         // M114 used to synchronize on every call. Enable if needed.
 
 // Show Temperature ADC value
 // Enable for M105 to include ADC values read from temperature sensors.
@@ -336,15 +338,22 @@
  * Controller Fan
  * To cool down the stepper drivers and MOSFETs.
  *
- * The fan will turn on automatically whenever any stepper is enabled
- * and turn off after a set period after all steppers are turned off.
+ * The fan turns on automatically whenever any driver is enabled and turns
+ * off (or reduces to idle speed) shortly after drivers are turned off.
+ *
  */
 //#define USE_CONTROLLER_FAN
 #if ENABLED(USE_CONTROLLER_FAN)
-  //#define CONTROLLER_FAN_PIN -1           // Set a custom pin for the controller fan
-  #define CONTROLLERFAN_SECS 60             // Duration in seconds for the fan to run after all motors are disabled
-  #define CONTROLLERFAN_SPEED 255           // 255 == full speed
-  //#define CONTROLLERFAN_SPEED_Z_ONLY 127  // Reduce noise on machines that keep Z enabled
+  //#define CONTROLLER_FAN_PIN -1        // Set a custom pin for the controller fan
+  //#define CONTROLLER_FAN_USE_Z_ONLY    // With this option only the Z axis is considered
+  #define CONTROLLERFAN_SPEED_MIN      0 // (0-255) Minimum speed. (If set below this value the fan is turned off.)
+  #define CONTROLLERFAN_SPEED_ACTIVE 255 // (0-255) Active speed, used when any motor is enabled
+  #define CONTROLLERFAN_SPEED_IDLE     0 // (0-255) Idle speed, used when motors are disabled
+  #define CONTROLLERFAN_IDLE_TIME     60 // (seconds) Extra time to keep the fan running after disabling motors
+  //#define CONTROLLER_FAN_EDITABLE      // Enable M710 configurable settings
+  #if ENABLED(CONTROLLER_FAN_EDITABLE)
+    #define CONTROLLER_FAN_MENU          // Enable the Controller Fan submenu
+  #endif
 #endif
 
 // When first starting the main fan, run it at full speed for the
@@ -716,6 +725,9 @@
   #define Z_STEPPER_ALIGN_ITERATIONS 5    // Number of iterations to apply during alignment
   #define Z_STEPPER_ALIGN_ACC        0.02 // Stop iterating early if the accuracy is better than this
   #define RESTORE_LEVELING_AFTER_G34      // Restore leveling after G34 is done?
+  // After G34, re-home Z (G28 Z) or just calculate it from the last probe heights?
+  // Re-homing might be more precise in reproducing the actual 'G28 Z' homing height, especially on an uneven bed.
+  #define HOME_AFTER_G34
 #endif
 
 // @section motion
@@ -748,8 +760,12 @@
 // Minimum time that a segment needs to take if the buffer is emptied
 #define DEFAULT_MINSEGMENTTIME        20000   // (ms)
 
-// If defined the movements slow down when the look ahead buffer is only half full
+// Slow down the machine if the look ahead buffer is (by default) half full.
+// Increase the slowdown divisor for larger buffer sizes.
 #define SLOWDOWN
+#if ENABLED(SLOWDOWN)
+  #define SLOWDOWN_DIVISOR 2
+#endif
 
 // Frequency limit
 // See nophead's blog for more info
@@ -990,7 +1006,11 @@
 // Show the E position (filament used) during printing
 //#define LCD_SHOW_E_TOTAL
 
-#if HAS_GRAPHICAL_LCD && HAS_PRINT_PROGRESS
+#if ENABLED(SHOW_BOOTSCREEN)
+  #define BOOTSCREEN_TIMEOUT 4000        // (ms) Total Duration to display the boot screen(s)
+#endif
+
+#if HAS_GRAPHICAL_LCD && EITHER(SDSUPPORT, LCD_SET_PROGRESS_MANUALLY)
   //#define PRINT_PROGRESS_SHOW_DECIMALS // Show progress with decimal digits
   //#define SHOW_REMAINING_TIME          // Display estimated time to completion
   #if ENABLED(SHOW_REMAINING_TIME)
@@ -999,7 +1019,7 @@
   #endif
 #endif
 
-#if HAS_CHARACTER_LCD && HAS_PRINT_PROGRESS
+#if HAS_CHARACTER_LCD && EITHER(SDSUPPORT, LCD_SET_PROGRESS_MANUALLY)
   //#define LCD_PROGRESS_BAR              // Show a progress bar on HD44780 LCDs for SD printing
   #if ENABLED(LCD_PROGRESS_BAR)
     #define PROGRESS_BAR_BAR_TIME 2000    // (ms) Amount of time to show the bar
@@ -1012,12 +1032,9 @@
 
 #if ENABLED(SDSUPPORT)
 
-  // Some RAMPS and other boards don't detect when an SD card is inserted. You can work
-  // around this by connecting a push button or single throw switch to the pin defined
-  // as SD_DETECT_PIN in your board's pins definitions.
-  // This setting should be disabled unless you are using a push button, pulling the pin to ground.
-  // Note: This is always disabled for ULTIPANEL (except ELB_FULL_GRAPHIC_CONTROLLER).
-  #define SD_DETECT_INVERTED
+  // The standard SD detect circuit reads LOW when media is inserted and HIGH when empty.
+  // Enable this option and set to HIGH if your SD cards are incorrectly detected.
+  //#define SD_DETECT_STATE HIGH
 
   #define SD_FINISHED_STEPPERRELEASE true          // Disable steppers when SD Print is finished
   #define SD_FINISHED_RELEASECOMMAND "M84 X Y Z E" // You might want to keep the Z enabled so your bed stays in place.
@@ -1039,9 +1056,13 @@
    * during SD printing. If the recovery file is found at boot time, present
    * an option on the LCD screen to continue the print from the last-known
    * point in the file.
+   *
+   * If the machine reboots when resuming a print you may need to replace or
+   * reformat the SD card. (Bad sectors delay startup triggering the watchdog.)
    */
   //#define POWER_LOSS_RECOVERY
   #if ENABLED(POWER_LOSS_RECOVERY)
+    #define PLR_ENABLED_DEFAULT   false // Power Loss Recovery enabled by default. (Set with 'M413 Sn' & M500)
     //#define BACKUP_POWER_SUPPLY       // Backup power / UPS to move the steppers on power loss
     //#define POWER_LOSS_ZRAISE       2 // (mm) Z axis raise on resume (on power loss with UPS)
     //#define POWER_LOSS_PIN         44 // Pin to detect power loss. Set to -1 to disable default pin on boards without module.
@@ -1221,10 +1242,6 @@
   // Western only. Not available for Cyrillic, Kana, Turkish, Greek, or Chinese.
   //#define USE_SMALL_INFOFONT
 
-  // Enable this option and reduce the value to optimize screen updates.
-  // The normal delay is 10µs. Use the lowest value that still gives a reliable display.
-  //#define DOGM_SPI_DELAY_US 5
-
   // Swap the CW/CCW indicators in the graphics overlay
   //#define OVERLAY_GFX_REVERSE
 
@@ -1241,6 +1258,10 @@
    * This will prevent position updates from being displayed.
    */
   #if ENABLED(U8GLIB_ST7920)
+    // Enable this option and reduce the value to optimize screen updates.
+    // The normal delay is 10µs. Use the lowest value that still gives a reliable display.
+    //#define DOGM_SPI_DELAY_US 5
+
     //#define LIGHTWEIGHT_UI
     #if ENABLED(LIGHTWEIGHT_UI)
       #define STATUS_EXPIRE_SECONDS 20
@@ -1278,7 +1299,7 @@
 // Additional options for DGUS / DWIN displays
 //
 #if HAS_DGUS_LCD
-  #define DGUS_SERIAL_PORT 2
+  #define DGUS_SERIAL_PORT 3
   #define DGUS_BAUDRATE 115200
 
   #define DGUS_RX_BUFFER_SIZE 128
@@ -1286,16 +1307,15 @@
   //#define DGUS_SERIAL_STATS_RX_BUFFER_OVERRUNS  // Fix Rx overrun situation (Currently only for AVR)
 
   #define DGUS_UPDATE_INTERVAL_MS  500    // (ms) Interval between automatic screen updates
-  #define BOOTSCREEN_TIMEOUT      3000    // (ms) Duration to display the boot screen
 
   #if EITHER(DGUS_LCD_UI_FYSETC, DGUS_LCD_UI_HIPRECY)
     #define DGUS_PRINT_FILENAME           // Display the filename during printing
     #define DGUS_PREHEAT_UI               // Display a preheat screen during heatup
 
     #if ENABLED(DGUS_LCD_UI_FYSETC)
-      //#define DUGS_UI_MOVE_DIS_OPTION   // Disabled by default for UI_FYSETC
+      //#define DGUS_UI_MOVE_DIS_OPTION   // Disabled by default for UI_FYSETC
     #else
-      #define DUGS_UI_MOVE_DIS_OPTION     // Enabled by default for UI_HIPRECY
+      #define DGUS_UI_MOVE_DIS_OPTION     // Enabled by default for UI_HIPRECY
     #endif
 
     #define DGUS_FILAMENT_LOADUNLOAD
@@ -1578,7 +1598,7 @@
   #if ENABLED(PROBE_TEMP_COMPENSATION)
     // Max temperature that can be reached by heated bed.
     // This is required only for the calibration process.
-    #define PTC_MAX_BED_TEMP 110
+    #define PTC_MAX_BED_TEMP BED_MAXTEMP
 
     // Park position to wait for probe cooldown
     #define PTC_PARK_POS_X 0.0F
@@ -2015,7 +2035,7 @@
  * TMCStepper library is required to use TMC stepper drivers.
  * https://github.com/teemuatlut/TMCStepper
  */
-#if HAS_TRINAMIC
+#if HAS_TRINAMIC_CONFIG
 
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
   #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
@@ -2302,14 +2322,6 @@
    */
   //#define SENSORLESS_HOMING // StallGuard capable drivers only
 
-  /**
-   * Use StallGuard2 to probe the bed with the nozzle.
-   *
-   * CAUTION: This could cause damage to machines that use a lead screw or threaded rod
-   *          to move the Z axis. Take extreme care when attempting to enable this feature.
-   */
-  //#define SENSORLESS_PROBING // StallGuard capable drivers only
-
   #if EITHER(SENSORLESS_HOMING, SENSORLESS_PROBING)
     // TMC2209: 0...255. TMC2130: -64...63
     #define X_STALL_SENSITIVITY  8
@@ -2345,7 +2357,7 @@
    */
   #define TMC_ADV() {  }
 
-#endif // HAS_TRINAMIC
+#endif // HAS_TRINAMIC_CONFIG
 
 // @section L64XX
 
@@ -2991,7 +3003,7 @@
   #define MAX7219_LOAD_PIN  44
 
   //#define MAX7219_GCODE          // Add the M7219 G-code to control the LED matrix
-  #define MAX7219_INIT_TEST    2   // Do a test pattern at initialization (Set to 2 for spiral)
+  #define MAX7219_INIT_TEST    2   // Test pattern at startup: 0=none, 1=sweep, 2=spiral
   #define MAX7219_NUMBER_UNITS 1   // Number of Max7219 units in chain.
   #define MAX7219_ROTATE       0   // Rotate the display clockwise (in multiples of +/- 90°)
                                    // connector at:  right=0   bottom=-90  top=90  left=180

Marlin/Makefile

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

Marlin/Version.h

@@ -28,7 +28,7 @@
 /**
  * Marlin release version identifier
  */
-//#define SHORT_BUILD_VERSION "2.0.4.4"
+//#define SHORT_BUILD_VERSION "2.0.5.2"
 
 /**
  * Verbose version identifier which should contain a reference to the location

Marlin/src/HAL/AVR/HAL_SPI.cpp

@@ -197,7 +197,7 @@ void spiBegin() {
     // output pin high - like sending 0xFF
     WRITE(MOSI_PIN, HIGH);
 
-    for (uint8_t i = 0; i < 8; i++) {
+    LOOP_L_N(i, 8) {
       WRITE(SCK_PIN, HIGH);
 
       nop; // adjust so SCK is nice
@@ -224,7 +224,7 @@ void spiBegin() {
   void spiSend(uint8_t data) {
     // no interrupts during byte send - about 8µs
     cli();
-    for (uint8_t i = 0; i < 8; i++) {
+    LOOP_L_N(i, 8) {
       WRITE(SCK_PIN, LOW);
       WRITE(MOSI_PIN, data & 0x80);
       data <<= 1;

Marlin/src/HAL/AVR/MarlinSerial.cpp

@@ -55,7 +55,7 @@
   // A SW memory barrier, to ensure GCC does not overoptimize loops
   #define sw_barrier() asm volatile("": : :"memory");
 
-  #include "../../feature/emergency_parser.h"
+  #include "../../feature/e_parser.h"
 
   // "Atomically" read the RX head index value without disabling interrupts:
   // This MUST be called with RX interrupts enabled, and CAN'T be called
@@ -682,7 +682,7 @@
 
     // Round correctly so that print(1.999, 2) prints as "2.00"
     double rounding = 0.5;
-    for (uint8_t i = 0; i < digits; ++i) rounding *= 0.1;
+    LOOP_L_N(i, digits) rounding *= 0.1;
     number += rounding;
 
     // Extract the integer part of the number and print it

Marlin/src/HAL/AVR/MarlinSerial.h

@@ -31,10 +31,10 @@
  * Templatized 01 October 2018 by Eduardo José Tagle to allow multiple instances
  */
 
-#include "../shared/MarlinSerial.h"
-
 #include <WString.h>
 
+#include "../../inc/MarlinConfigPre.h"
+
 #ifndef SERIAL_PORT
   #define SERIAL_PORT 0
 #endif
@@ -261,12 +261,12 @@
     static constexpr int PORT               = serial;
     static constexpr unsigned int RX_SIZE   = RX_BUFFER_SIZE;
     static constexpr unsigned int TX_SIZE   = TX_BUFFER_SIZE;
-    static constexpr bool XONOFF            = bSERIAL_XON_XOFF;
-    static constexpr bool EMERGENCYPARSER   = bEMERGENCY_PARSER;
-    static constexpr bool DROPPED_RX        = bSERIAL_STATS_DROPPED_RX;
-    static constexpr bool RX_OVERRUNS       = bSERIAL_STATS_RX_BUFFER_OVERRUNS;
-    static constexpr bool RX_FRAMING_ERRORS = bSERIAL_STATS_RX_FRAMING_ERRORS;
-    static constexpr bool MAX_RX_QUEUED     = bSERIAL_STATS_MAX_RX_QUEUED;
+    static constexpr bool XONOFF            = ENABLED(SERIAL_XON_XOFF);
+    static constexpr bool EMERGENCYPARSER   = ENABLED(EMERGENCY_PARSER);
+    static constexpr bool DROPPED_RX        = ENABLED(SERIAL_STATS_DROPPED_RX);
+    static constexpr bool RX_OVERRUNS       = ENABLED(SERIAL_STATS_RX_BUFFER_OVERRUNS);
+    static constexpr bool RX_FRAMING_ERRORS = ENABLED(SERIAL_STATS_RX_FRAMING_ERRORS);
+    static constexpr bool MAX_RX_QUEUED     = ENABLED(SERIAL_STATS_MAX_RX_QUEUED);
   };
   extern MarlinSerial<MarlinSerialCfg<SERIAL_PORT>> customizedSerial1;
 
@@ -304,7 +304,7 @@
     static constexpr bool XONOFF            = false;
     static constexpr bool EMERGENCYPARSER   = false;
     static constexpr bool DROPPED_RX        = false;
-    static constexpr bool RX_OVERRUNS       = bDGUS_SERIAL_STATS_RX_BUFFER_OVERRUNS;
+    static constexpr bool RX_OVERRUNS       = HAS_DGUS_LCD && ENABLED(DGUS_SERIAL_STATS_RX_BUFFER_OVERRUNS);
     static constexpr bool RX_FRAMING_ERRORS = false;
     static constexpr bool MAX_RX_QUEUED     = false;
   };

Marlin/src/HAL/AVR/fast_pwm.cpp

@@ -167,7 +167,7 @@ void set_pwm_frequency(const pin_t pin, int f_desired) {
     uint16_t prescaler[] = { 0, 1, 8, /*TIMER2 ONLY*/32, 64, /*TIMER2 ONLY*/128, 256, 1024 };
 
     // loop over prescaler values
-    for (uint8_t i = 1; i < 8; i++) {
+    LOOP_S_L_N(i, 1, 8) {
       uint16_t res_temp_fast = 255, res_temp_phase_correct = 255;
       if (timer.n == 2) {
         // No resolution calculation for TIMER2 unless enabled USE_OCR2A_AS_TOP

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

@@ -26,7 +26,7 @@
  *
  *   Hardware Pin  : 02 03 06 07 01 05 15 16 17 18 23 24 25 26 64 63 13 12 46 45 44 43 78 77 76 75 74 73 72 71 60 59 58 57 56 55 54 53 50 70 52 51 42 41 40 39 38 37 36 35 22 21 20 19 97 96 95 94 93 92 91 90 89 88 87 86 85 84 83 82 | 04 08 09 10 11 14 27 28 29 30 31 32 33 34 47 48 49 61 62 65 66 67 68 69 79 80 81 98 99 100
  *   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 72 75 76 77 74 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
  */
 
 #include "../fastio.h"

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

@@ -56,7 +56,7 @@
 /**
  * The Trinamic library includes SoftwareSerial.h, leading to a compile error.
  */
-#if HAS_TRINAMIC && ENABLED(ENDSTOP_INTERRUPTS_FEATURE)
+#if HAS_TRINAMIC_CONFIG && ENABLED(ENDSTOP_INTERRUPTS_FEATURE)
   #error "TMCStepper includes SoftwareSerial.h which is incompatible with ENDSTOP_INTERRUPTS_FEATURE. Disable ENDSTOP_INTERRUPTS_FEATURE to continue."
 #endif
 

Marlin/src/HAL/AVR/pinsDebug.h

@@ -70,12 +70,12 @@
 
 void PRINT_ARRAY_NAME(uint8_t x) {
   char *name_mem_pointer = (char*)pgm_read_ptr(&pin_array[x].name);
-  for (uint8_t y = 0; y < MAX_NAME_LENGTH; y++) {
+  LOOP_L_N(y, MAX_NAME_LENGTH) {
     char temp_char = pgm_read_byte(name_mem_pointer + y);
     if (temp_char != 0)
       SERIAL_CHAR(temp_char);
     else {
-      for (uint8_t i = 0; i < MAX_NAME_LENGTH - y; i++) SERIAL_CHAR(' ');
+      LOOP_L_N(i, MAX_NAME_LENGTH - y) SERIAL_CHAR(' ');
       break;
     }
   }

Marlin/src/HAL/AVR/u8g_com_HAL_AVR_sw_spi.cpp

@@ -88,7 +88,7 @@ void u8g_spiSend_sw_AVR_mode_0(uint8_t val) {
   volatile uint8_t *outData = u8g_outData,
                    *outClock = u8g_outClock;
   U8G_ATOMIC_START();
-  for (uint8_t i = 0; i < 8; i++) {
+  LOOP_L_N(i, 8) {
     if (val & 0x80)
       *outData |= bitData;
     else
@@ -108,7 +108,7 @@ void u8g_spiSend_sw_AVR_mode_3(uint8_t val) {
   volatile uint8_t *outData = u8g_outData,
                    *outClock = u8g_outClock;
   U8G_ATOMIC_START();
-  for (uint8_t i = 0; i < 8; i++) {
+  LOOP_L_N(i, 8) {
     *outClock &= bitNotClock;
     if (val & 0x80)
       *outData |= bitData;

Marlin/src/HAL/DUE/EepromEmulation.cpp

@@ -54,7 +54,7 @@
 
 #include "../../inc/MarlinConfig.h"
 
-#if ENABLED(EEPROM_SETTINGS) && NONE(I2C_EEPROM, SPI_EEPROM)
+#if ENABLED(FLASH_EEPROM_EMULATION)
 
 #include "../shared/Marduino.h"
 #include "../shared/persistent_store_api.h"
@@ -1016,5 +1016,5 @@ void eeprom_flush() {
   ee_Flush();
 }
 
-#endif // EEPROM_SETTINGS && (!I2C_EEPROM && !SPI_EEPROM)
+#endif // FLASH_EEPROM_EMULATION
 #endif // ARDUINO_ARCH_AVR

Marlin/src/HAL/DUE/HAL.h

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

Marlin/src/HAL/DUE/MarlinSerial.cpp

@@ -45,7 +45,7 @@ template<typename Cfg> typename MarlinSerial<Cfg>::ring_buffer_pos_t MarlinSeria
 // A SW memory barrier, to ensure GCC does not overoptimize loops
 #define sw_barrier() asm volatile("": : :"memory");
 
-#include "../../feature/emergency_parser.h"
+#include "../../feature/e_parser.h"
 
 // (called with RX interrupts disabled)
 template<typename Cfg>
@@ -606,7 +606,7 @@ void MarlinSerial<Cfg>::printFloat(double number, uint8_t digits) {
 
   // Round correctly so that print(1.999, 2) prints as "2.00"
   double rounding = 0.5;
-  for (uint8_t i = 0; i < digits; ++i) rounding *= 0.1;
+  LOOP_L_N(i, digits) rounding *= 0.1;
   number += rounding;
 
   // Extract the integer part of the number and print it
@@ -629,23 +629,13 @@ void MarlinSerial<Cfg>::printFloat(double number, uint8_t digits) {
 
 // If not using the USB port as serial port
 #if SERIAL_PORT >= 0
-
-  // Preinstantiate
-  template class MarlinSerial<MarlinSerialCfg<SERIAL_PORT>>;
-
-  // Instantiate
-  MarlinSerial<MarlinSerialCfg<SERIAL_PORT>> customizedSerial1;
-
+  template class MarlinSerial<MarlinSerialCfg<SERIAL_PORT>>;      // Define
+  MarlinSerial<MarlinSerialCfg<SERIAL_PORT>> customizedSerial1;   // Instantiate
 #endif
 
-#ifdef SERIAL_PORT_2
-
-  // Preinstantiate
-  template class MarlinSerial<MarlinSerialCfg<SERIAL_PORT_2>>;
-
-  // Instantiate
-  MarlinSerial<MarlinSerialCfg<SERIAL_PORT_2>> customizedSerial2;
-
+#if defined(SERIAL_PORT_2) && SERIAL_PORT_2 >= 0
+  template class MarlinSerial<MarlinSerialCfg<SERIAL_PORT_2>>;    // Define
+  MarlinSerial<MarlinSerialCfg<SERIAL_PORT_2>> customizedSerial2; // Instantiate
 #endif
 
 #endif // ARDUINO_ARCH_SAM

Marlin/src/HAL/DUE/MarlinSerial.h

@@ -27,10 +27,10 @@
  * Based on MarlinSerial for AVR, copyright (c) 2006 Nicholas Zambetti.  All right reserved.
  */
 
-#include "../shared/MarlinSerial.h"
-
 #include <WString.h>
 
+#include "../../inc/MarlinConfigPre.h"
+
 #define DEC 10
 #define HEX 16
 #define OCT 8
@@ -163,22 +163,18 @@ struct MarlinSerialCfg {
   static constexpr int PORT               = serial;
   static constexpr unsigned int RX_SIZE   = RX_BUFFER_SIZE;
   static constexpr unsigned int TX_SIZE   = TX_BUFFER_SIZE;
-  static constexpr bool XONOFF            = bSERIAL_XON_XOFF;
-  static constexpr bool EMERGENCYPARSER   = bEMERGENCY_PARSER;
-  static constexpr bool DROPPED_RX        = bSERIAL_STATS_DROPPED_RX;
-  static constexpr bool RX_OVERRUNS       = bSERIAL_STATS_RX_BUFFER_OVERRUNS;
-  static constexpr bool RX_FRAMING_ERRORS = bSERIAL_STATS_RX_FRAMING_ERRORS;
-  static constexpr bool MAX_RX_QUEUED     = bSERIAL_STATS_MAX_RX_QUEUED;
+  static constexpr bool XONOFF            = ENABLED(SERIAL_XON_XOFF);
+  static constexpr bool EMERGENCYPARSER   = ENABLED(EMERGENCY_PARSER);
+  static constexpr bool DROPPED_RX        = ENABLED(SERIAL_STATS_DROPPED_RX);
+  static constexpr bool RX_OVERRUNS       = ENABLED(SERIAL_STATS_RX_BUFFER_OVERRUNS);
+  static constexpr bool RX_FRAMING_ERRORS = ENABLED(SERIAL_STATS_RX_FRAMING_ERRORS);
+  static constexpr bool MAX_RX_QUEUED     = ENABLED(SERIAL_STATS_MAX_RX_QUEUED);
 };
 
 #if SERIAL_PORT >= 0
-
   extern MarlinSerial<MarlinSerialCfg<SERIAL_PORT>> customizedSerial1;
-
-#endif // SERIAL_PORT >= 0
-
-#ifdef SERIAL_PORT_2
-
-  extern MarlinSerial<MarlinSerialCfg<SERIAL_PORT_2>> customizedSerial2;
-
+#endif
+
+#if defined(SERIAL_PORT_2) && SERIAL_PORT_2 >= 0
+  extern MarlinSerial<MarlinSerialCfg<SERIAL_PORT_2>> customizedSerial2;
 #endif

Marlin/src/HAL/DUE/MarlinSerialUSB.cpp

@@ -29,12 +29,12 @@
 
 #include "../../inc/MarlinConfig.h"
 
-#if SERIAL_PORT == -1
+#if HAS_USB_SERIAL
 
 #include "MarlinSerialUSB.h"
 
 #if ENABLED(EMERGENCY_PARSER)
-  #include "../../feature/emergency_parser.h"
+  #include "../../feature/e_parser.h"
 #endif
 
 // Imports from Atmel USB Stack/CDC implementation
@@ -259,7 +259,7 @@ void MarlinSerialUSB::printFloat(double number, uint8_t digits) {
 
   // Round correctly so that print(1.999, 2) prints as "2.00"
   double rounding = 0.5;
-  for (uint8_t i = 0; i < digits; ++i)
+  LOOP_L_N(i, digits)
     rounding *= 0.1;
 
   number += rounding;
@@ -283,8 +283,12 @@ void MarlinSerialUSB::printFloat(double number, uint8_t digits) {
 }
 
 // Preinstantiate
-MarlinSerialUSB customizedSerial1;
-
-#endif // SERIAL_PORT == -1
+#if SERIAL_PORT == -1
+  MarlinSerialUSB customizedSerial1;
+#endif
+#if SERIAL_PORT_2 == -1
+  MarlinSerialUSB customizedSerial2;
+#endif
 
+#endif // HAS_USB_SERIAL
 #endif // ARDUINO_ARCH_SAM

Marlin/src/HAL/DUE/MarlinSerialUSB.h

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

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

@@ -80,7 +80,7 @@ Pio *SCK_pPio, *MOSI_pPio;
 uint32_t SCK_dwMask, MOSI_dwMask;
 
 void u8g_spiSend_sw_DUE_mode_0(uint8_t val) { // 3MHz
-  for (uint8_t i = 0; i < 8; i++) {
+  LOOP_L_N(i, 8) {
     if (val & 0x80)
       MOSI_pPio->PIO_SODR = MOSI_dwMask;
     else
@@ -94,7 +94,7 @@ void u8g_spiSend_sw_DUE_mode_0(uint8_t val) { // 3MHz
 }
 
 void u8g_spiSend_sw_DUE_mode_3(uint8_t val) { // 3.5MHz
-  for (uint8_t i = 0; i < 8; i++) {
+  LOOP_L_N(i, 8) {
     SCK_pPio->PIO_CODR = SCK_dwMask;
     DELAY_NS(50);
     if (val & 0x80)

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

@@ -63,7 +63,7 @@ extern PWM_map ISR_table[NUM_PWMS];
 extern uint32_t motor_current_setting[3];
 
 #define IR_BIT(p) (WITHIN(p, 0, 3) ? (p) : (p) + 4)
-#define COPY_ACTIVE_TABLE() do{ for (uint8_t i = 0; i < 6 ; i++) work_table[i] = active_table[i]; }while(0)
+#define COPY_ACTIVE_TABLE() do{ LOOP_L_N(i, 6) work_table[i] = active_table[i]; }while(0)
 
 #define PWM_MR0 19999         // base repetition rate minus one count - 20mS
 #define PWM_PR 24             // prescaler value - prescaler divide by 24 + 1  -  1 MHz output

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

@@ -20,3 +20,9 @@
  *
  */
 #pragma once
+
+#if USE_EMULATED_EEPROM
+  #undef SRAM_EEPROM_EMULATION
+  #undef SDCARD_EEPROM_EMULATION
+  #define FLASH_EEPROM_EMULATION
+#endif

Marlin/src/HAL/DUE/persistent_store_eeprom.cpp

@@ -29,7 +29,7 @@
 #include "../../inc/MarlinConfig.h"
 #include "../shared/persistent_store_api.h"
 
-#if !defined(E2END) && NONE(I2C_EEPROM, SPI_EEPROM)
+#if !defined(E2END) && ENABLED(FLASH_EEPROM_EMULATION)
   #define E2END 0xFFF // Default to Flash emulated EEPROM size (EepromEmulation_Due.cpp)
 #endif
 
@@ -38,7 +38,7 @@ extern void eeprom_flush();
 bool PersistentStore::access_start() { return true; }
 
 bool PersistentStore::access_finish() {
-  #if NONE(I2C_EEPROM, SPI_EEPROM)
+  #if ENABLED(FLASH_EEPROM_EMULATION)
     eeprom_flush();
   #endif
   return true;