🎨 Standardize G-code reporting

Marlin/src/HAL/AVR/pinsDebug.h

@@ -235,7 +235,7 @@ static void print_is_also_tied() { SERIAL_ECHOPGM(" is also tied to this pin");
 
 inline void com_print(const uint8_t N, const uint8_t Z) {
   const uint8_t *TCCRA = (uint8_t*)TCCR_A(N);
-  SERIAL_ECHOPAIR("    COM", AS_CHAR('0' + N));
+  SERIAL_ECHOPAIR("    COM", AS_DIGIT(N));
   SERIAL_CHAR(Z);
   SERIAL_ECHOPAIR(": ", int((*TCCRA >> (6 - Z * 2)) & 0x03));
 }
@@ -247,7 +247,7 @@ void timer_prefix(uint8_t T, char L, uint8_t N) {  // T - timer    L - pwm  N -
   uint8_t WGM = (((*TCCRB & _BV(WGM_2)) >> 1) | (*TCCRA & (_BV(WGM_0) | _BV(WGM_1))));
   if (N == 4) WGM |= ((*TCCRB & _BV(WGM_3)) >> 1);
 
-  SERIAL_ECHOPAIR("    TIMER", AS_CHAR(T + '0'));
+  SERIAL_ECHOPAIR("    TIMER", AS_DIGIT(T));
   SERIAL_CHAR(L);
   SERIAL_ECHO_SP(3);
 
@@ -262,11 +262,11 @@ void timer_prefix(uint8_t T, char L, uint8_t N) {  // T - timer    L - pwm  N -
   SERIAL_ECHOPAIR("    WGM: ", WGM);
   com_print(T,L);
   SERIAL_ECHOPAIR("    CS: ", (*TCCRB & (_BV(CS_0) | _BV(CS_1) | _BV(CS_2)) ));
-  SERIAL_ECHOPAIR("    TCCR", AS_CHAR(T + '0'), "A: ", *TCCRA);
+  SERIAL_ECHOPAIR("    TCCR", AS_DIGIT(T), "A: ", *TCCRA);
-  SERIAL_ECHOPAIR("    TCCR", AS_CHAR(T + '0'), "B: ", *TCCRB);
+  SERIAL_ECHOPAIR("    TCCR", AS_DIGIT(T), "B: ", *TCCRB);
 
   const uint8_t *TMSK = (uint8_t*)TIMSK(T);
-  SERIAL_ECHOPAIR("    TIMSK", AS_CHAR(T + '0'), ": ", *TMSK);
+  SERIAL_ECHOPAIR("    TIMSK", AS_DIGIT(T), ": ", *TMSK);
 
   const uint8_t OCIE = L - 'A' + 1;
   if (N == 3) { if (WGM == 0 || WGM == 2 || WGM ==  4 || WGM ==  6) err_is_counter(); }

Marlin/src/core/language.h

@@ -158,9 +158,7 @@
 #define STR_OFF                             "OFF"
 #define STR_ENDSTOP_HIT                     "TRIGGERED"
 #define STR_ENDSTOP_OPEN                    "open"
-#define STR_HOTEND_OFFSET                   "Hotend offsets:"
 #define STR_DUPLICATION_MODE                "Duplication mode: "
-#define STR_SOFT_ENDSTOPS                   "Soft endstops: "
 #define STR_SOFT_MIN                        "  Min: "
 #define STR_SOFT_MAX                        "  Max: "
 
@@ -262,6 +260,49 @@
 #define STR_REMINDER_SAVE_SETTINGS          "Remember to save!"
 #define STR_PASSWORD_SET                    "Password is "
 
+// Settings Report Strings
+#define STR_Z_AUTO_ALIGN                    "Z Auto-Align"
+#define STR_BACKLASH_COMPENSATION           "Backlash compensation"
+#define STR_DELTA_SETTINGS                  "Delta settings (L<diagonal-rod> R<radius> H<height> S<segments-per-sec> XYZ<tower-angle-trim> ABC<rod-trim>)"
+#define STR_SCARA_SETTINGS                  "SCARA settings"
+#define STR_SCARA_S                         "S<seg-per-sec>"
+#define STR_SCARA_P_T_Z                     "P<theta-psi-offset> T<theta-offset> Z<home-offset>"
+#define STR_ENDSTOP_ADJUSTMENT              "Endstop adjustment"
+#define STR_SKEW_FACTOR                     "Skew Factor"
+#define STR_FILAMENT_SETTINGS               "Filament settings"
+#define STR_MAX_ACCELERATION                "Max Acceleration (units/s2)"
+#define STR_MAX_FEEDRATES                   "Max feedrates (units/s)"
+#define STR_ACCELERATION_P_R_T              "Acceleration (units/s2) (P<print-accel> R<retract-accel> T<travel-accel>)"
+#define STR_TOOL_CHANGING                   "Tool-changing"
+#define STR_HOTEND_OFFSETS                  "Hotend offsets"
+#define STR_SERVO_ANGLES                    "Servo Angles"
+#define STR_HOTEND_PID                      "Hotend PID"
+#define STR_BED_PID                         "Bed PID"
+#define STR_CHAMBER_PID                     "Chamber PID"
+#define STR_STEPS_PER_UNIT                  "Steps per unit"
+#define STR_LINEAR_ADVANCE                  "Linear Advance"
+#define STR_CONTROLLER_FAN                  "Controller Fan"
+#define STR_STEPPER_MOTOR_CURRENTS          "Stepper motor currents"
+#define STR_RETRACT_S_F_Z                   "Retract (S<length> F<feedrate> Z<lift>)"
+#define STR_RECOVER_S_F                     "Recover (S<length> F<feedrate>)"
+#define STR_AUTO_RETRACT_S                  "Auto-Retract (S<enable>)"
+#define STR_FILAMENT_LOAD_UNLOAD            "Filament load/unload"
+#define STR_POWER_LOSS_RECOVERY             "Power-loss recovery"
+#define STR_FILAMENT_RUNOUT_SENSOR          "Filament runout sensor"
+#define STR_DRIVER_STEPPING_MODE            "Driver stepping mode"
+#define STR_STEPPER_DRIVER_CURRENT          "Stepper driver current"
+#define STR_HYBRID_THRESHOLD                "Hybrid Threshold"
+#define STR_STALLGUARD_THRESHOLD            "StallGuard threshold"
+#define STR_HOME_OFFSET                     "Home offset"
+#define STR_SOFT_ENDSTOPS                   "Soft endstops"
+#define STR_MATERIAL_HEATUP                 "Material heatup parameters"
+#define STR_LCD_CONTRAST                    "LCD Contrast"
+#define STR_LCD_BRIGHTNESS                  "LCD Brightness"
+#define STR_UI_LANGUAGE                     "UI Language"
+#define STR_Z_PROBE_OFFSET                  "Z-Probe Offset"
+#define STR_TEMPERATURE_UNITS               "Temperature Units"
+#define STR_USER_THERMISTORS                "User thermistors"
+
 //
 // Endstop Names used by Endstops::report_states
 //
@@ -290,7 +331,7 @@
 
 #define STR_Z_PROBE                         "z_probe"
 #define STR_PROBE_EN                        "probe_en"
-#define STR_FILAMENT_RUNOUT_SENSOR          "filament"
+#define STR_FILAMENT                        "filament"
 
 // General axis names
 #define STR_X "X"

Marlin/src/core/types.h

@@ -55,6 +55,8 @@ struct IF<true, L, R> { typedef L type; };
 #define LOGICAL_AXIS_ELEM(O)    LOGICAL_AXIS_LIST(O.e, O.x, O.y, O.z, O.i, O.j, O.k)
 #define LOGICAL_AXIS_DECL(T,V)  LOGICAL_AXIS_LIST(T e=V, T x=V, T y=V, T z=V, T i=V, T j=V, T k=V)
 
+#define LOGICAL_AXES_STRING LOGICAL_AXIS_GANG("E", "X", "Y", "Z", AXIS4_STR, AXIS5_STR, AXIS6_STR)
+
 #if HAS_EXTRUDERS
   #define LIST_ITEM_E(N) , N
   #define CODE_ITEM_E(N) ; N

Marlin/src/feature/fwretract.cpp

@@ -36,7 +36,7 @@ FWRetract fwretract; // Single instance - this calls the constructor
 #include "../module/planner.h"
 #include "../module/stepper.h"
 
-#include "../gcode/parser.h"
+#include "../gcode/gcode.h"
 
 #if ENABLED(RETRACT_SYNC_MIXING)
   #include "mixing.h"
@@ -214,8 +214,7 @@ void FWRetract::M207() {
   if (parser.seenval('W')) settings.swap_retract_length   = parser.value_axis_units(E_AXIS);
 }
 
-void FWRetract::M207_report(const bool forReplay/*=false*/) {
+void FWRetract::M207_report() {
-  if (!forReplay) { SERIAL_ECHO_MSG("; Retract: S<length> F<units/m> Z<lift>"); SERIAL_ECHO_START(); }
   SERIAL_ECHOLNPAIR_P(
       PSTR("  M207 S"), LINEAR_UNIT(settings.retract_length)
     , PSTR(" W"), LINEAR_UNIT(settings.swap_retract_length)
@@ -240,8 +239,7 @@ void FWRetract::M208() {
   if (parser.seen('W')) settings.swap_retract_recover_extra         = parser.value_axis_units(E_AXIS);
 }
 
-void FWRetract::M208_report(const bool forReplay/*=false*/) {
+void FWRetract::M208_report() {
-  if (!forReplay) { SERIAL_ECHO_MSG("; Recover: S<length> F<units/m>"); SERIAL_ECHO_START(); }
   SERIAL_ECHOLNPAIR(
       "  M208 S", LINEAR_UNIT(settings.retract_recover_extra)
     , " W", LINEAR_UNIT(settings.swap_retract_recover_extra)
@@ -262,8 +260,7 @@ void FWRetract::M208_report(const bool forReplay/*=false*/) {
       enable_autoretract(parser.value_bool());
   }
 
-  void FWRetract::M209_report(const bool forReplay/*=false*/) {
+  void FWRetract::M209_report() {
-    if (!forReplay) { SERIAL_ECHO_MSG("; Auto-Retract: S=0 to disable, 1 to interpret E-only moves as retract/recover"); SERIAL_ECHO_START(); }
     SERIAL_ECHOLNPAIR("  M209 S", AS_DIGIT(autoretract_enabled));
   }
 

Marlin/src/feature/fwretract.h

@@ -76,13 +76,13 @@ public:
 
   static void retract(const bool retracting OPTARG(HAS_MULTI_EXTRUDER, bool swapping = false));
 
+  static void M207_report();
   static void M207();
-  static void M207_report(const bool forReplay=false);
+  static void M208_report();
   static void M208();
-  static void M208_report(const bool forReplay=false);
   #if ENABLED(FWRETRACT_AUTORETRACT)
+    static void M209_report();
     static void M209();
-    static void M209_report(const bool forReplay=false);
   #endif
 };
 

Marlin/src/gcode/bedlevel/M420.cpp

@@ -242,4 +242,18 @@ void GcodeSuite::M420() {
     report_current_position();
 }
 
+void GcodeSuite::M420_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(
+    TERN(MESH_BED_LEVELING, "Mesh Bed Leveling", TERN(AUTO_BED_LEVELING_UBL, "Unified Bed Leveling", "Auto Bed Leveling"))
+  ));
+  SERIAL_ECHOPAIR_P(
+    PSTR("  M420 S"), planner.leveling_active
+    #if ENABLED(ENABLE_LEVELING_FADE_HEIGHT)
+      , SP_Z_STR, LINEAR_UNIT(planner.z_fade_height)
+    #endif
+    , " ; Leveling "
+  );
+  serialprintln_onoff(planner.leveling_active);
+}
+
 #endif // HAS_LEVELING

Marlin/src/gcode/calibrate/G34_M422.cpp

@@ -475,21 +475,13 @@ void GcodeSuite::G34() {
  */
 void GcodeSuite::M422() {
 
+  if (!parser.seen_any()) return M422_report();
+
   if (parser.seen('R')) {
     z_stepper_align.reset_to_default();
     return;
   }
 
-  if (!parser.seen_any()) {
-    LOOP_L_N(i, NUM_Z_STEPPER_DRIVERS)
-      SERIAL_ECHOLNPAIR_P(PSTR("M422 S"), i + 1, SP_X_STR, z_stepper_align.xy[i].x, SP_Y_STR, z_stepper_align.xy[i].y);
-    #if ENABLED(Z_STEPPER_ALIGN_KNOWN_STEPPER_POSITIONS)
-      LOOP_L_N(i, NUM_Z_STEPPER_DRIVERS)
-        SERIAL_ECHOLNPAIR_P(PSTR("M422 W"), i + 1, SP_X_STR, z_stepper_align.stepper_xy[i].x, SP_Y_STR, z_stepper_align.stepper_xy[i].y);
-    #endif
-    return;
-  }
-
   const bool is_probe_point = parser.seen('S');
 
   if (TERN0(Z_STEPPER_ALIGN_KNOWN_STEPPER_POSITIONS, is_probe_point && parser.seen('W'))) {
@@ -545,4 +537,26 @@ void GcodeSuite::M422() {
   pos_dest[position_index] = pos;
 }
 
+void GcodeSuite::M422_report(const bool forReplay/*=true*/) {
+  report_heading(forReplay, PSTR(STR_Z_AUTO_ALIGN));
+  LOOP_L_N(i, NUM_Z_STEPPER_DRIVERS) {
+    report_echo_start(forReplay);
+    SERIAL_ECHOLNPAIR_P(
+      PSTR("  M422 S"), i + 1,
+      SP_X_STR, z_stepper_align.xy[i].x,
+      SP_Y_STR, z_stepper_align.xy[i].y
+    );
+  }
+  #if ENABLED(Z_STEPPER_ALIGN_KNOWN_STEPPER_POSITIONS)
+    LOOP_L_N(i, NUM_Z_STEPPER_DRIVERS) {
+      report_echo_start(forReplay);
+      SERIAL_ECHOLNPAIR_P(
+        PSTR("  M422 W"), i + 1,
+        SP_X_STR, z_stepper_align.stepper_xy[i].x,
+        SP_Y_STR, z_stepper_align.stepper_xy[i].y
+      );
+    }
+  #endif
+}
+
 #endif // Z_STEPPER_AUTO_ALIGN

Marlin/src/gcode/calibrate/M425.cpp

@@ -113,4 +113,22 @@ void GcodeSuite::M425() {
   }
 }
 
+void GcodeSuite::M425_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(STR_BACKLASH_COMPENSATION));
+  SERIAL_ECHOLNPAIR_P(
+    PSTR("  M425 F"), backlash.get_correction()
+    #ifdef BACKLASH_SMOOTHING_MM
+      , PSTR(" S"), LINEAR_UNIT(backlash.smoothing_mm)
+    #endif
+    , LIST_N(DOUBLE(LINEAR_AXES),
+        SP_X_STR, LINEAR_UNIT(backlash.distance_mm.x),
+        SP_Y_STR, LINEAR_UNIT(backlash.distance_mm.y),
+        SP_Z_STR, LINEAR_UNIT(backlash.distance_mm.z),
+        SP_I_STR, LINEAR_UNIT(backlash.distance_mm.i),
+        SP_J_STR, LINEAR_UNIT(backlash.distance_mm.j),
+        SP_K_STR, LINEAR_UNIT(backlash.distance_mm.k)
+      )
+  );
+}
+
 #endif // BACKLASH_GCODE

Marlin/src/gcode/calibrate/M665.cpp

@@ -30,6 +30,7 @@
 #if ENABLED(DELTA)
 
   #include "../../module/delta.h"
+
   /**
    * M665: Set delta configurations
    *
@@ -45,6 +46,8 @@
    *    C = Gamma (Tower 3) diagonal rod trim
    */
   void GcodeSuite::M665() {
+    if (!parser.seen_any()) return M665_report();
+
     if (parser.seenval('H')) delta_height              = parser.value_linear_units();
     if (parser.seenval('L')) delta_diagonal_rod        = parser.value_linear_units();
     if (parser.seenval('R')) delta_radius              = parser.value_linear_units();
@@ -58,6 +61,22 @@
     recalc_delta_settings();
   }
 
+  void GcodeSuite::M665_report(const bool forReplay/*=true*/) {
+    report_heading_etc(forReplay, PSTR(STR_DELTA_SETTINGS));
+    SERIAL_ECHOLNPAIR_P(
+        PSTR("  M665 L"), LINEAR_UNIT(delta_diagonal_rod)
+      , PSTR(" R"), LINEAR_UNIT(delta_radius)
+      , PSTR(" H"), LINEAR_UNIT(delta_height)
+      , PSTR(" S"), segments_per_second
+      , SP_X_STR, LINEAR_UNIT(delta_tower_angle_trim.a)
+      , SP_Y_STR, LINEAR_UNIT(delta_tower_angle_trim.b)
+      , SP_Z_STR, LINEAR_UNIT(delta_tower_angle_trim.c)
+      , PSTR(" A"), LINEAR_UNIT(delta_diagonal_rod_trim.a)
+      , PSTR(" B"), LINEAR_UNIT(delta_diagonal_rod_trim.b)
+      , PSTR(" C"), LINEAR_UNIT(delta_diagonal_rod_trim.c)
+    );
+  }
+
 #elif IS_SCARA
 
   #include "../../module/scara.h"
@@ -68,6 +87,9 @@
    * Parameters:
    *
    *   S[segments-per-second] - Segments-per-second
+   *
+   * Without NO_WORKSPACE_OFFSETS:
+   *
    *   P[theta-psi-offset]    - Theta-Psi offset, added to the shoulder (A/X) angle
    *   T[theta-offset]        - Theta     offset, added to the elbow    (B/Y) angle
    *   Z[z-offset]            - Z offset, added to Z
@@ -76,6 +98,8 @@
    *   B, T, and Y are all aliases for the elbow angle
    */
   void GcodeSuite::M665() {
+    if (!parser.seen_any()) return M665_report();
+
     if (parser.seenval('S')) segments_per_second = parser.value_float();
 
     #if HAS_SCARA_OFFSET
@@ -107,6 +131,18 @@
     #endif // HAS_SCARA_OFFSET
   }
 
+  void GcodeSuite::M665_report(const bool forReplay/*=true*/) {
+    report_heading_etc(forReplay, PSTR(STR_SCARA_SETTINGS " (" STR_SCARA_S TERN_(HAS_SCARA_OFFSET, " " STR_SCARA_P_T_Z) ")"));
+    SERIAL_ECHOLNPAIR_P(
+      PSTR("  M665 S"), segments_per_second
+      #if HAS_SCARA_OFFSET
+        , SP_P_STR, scara_home_offset.a
+        , SP_T_STR, scara_home_offset.b
+        , SP_Z_STR, LINEAR_UNIT(scara_home_offset.z)
+      #endif
+    );
+  }
+
 #endif
 
 #endif // IS_KINEMATIC

Marlin/src/gcode/calibrate/M666.cpp

@@ -36,38 +36,6 @@
 #define DEBUG_OUT ENABLED(DEBUG_LEVELING_FEATURE)
 #include "../../core/debug_out.h"
 
-void M666_report(const bool forReplay=true) {
-  if (!forReplay) { SERIAL_ECHOLNPGM("; Endstop adjustment:"); SERIAL_ECHO_START(); }
-  #if ENABLED(DELTA)
-    SERIAL_ECHOLNPAIR_P(
-        PSTR("  M666 X"), LINEAR_UNIT(delta_endstop_adj.a)
-      , SP_Y_STR, LINEAR_UNIT(delta_endstop_adj.b)
-      , SP_Z_STR, LINEAR_UNIT(delta_endstop_adj.c)
-    );
-  #else
-    SERIAL_ECHOPGM("  M666");
-    #if ENABLED(X_DUAL_ENDSTOPS)
-      SERIAL_ECHOLNPAIR_P(SP_X_STR, LINEAR_UNIT(endstops.x2_endstop_adj));
-    #endif
-    #if ENABLED(Y_DUAL_ENDSTOPS)
-      SERIAL_ECHOLNPAIR_P(SP_Y_STR, LINEAR_UNIT(endstops.y2_endstop_adj));
-    #endif
-    #if ENABLED(Z_MULTI_ENDSTOPS)
-      #if NUM_Z_STEPPER_DRIVERS >= 3
-        SERIAL_ECHOPAIR(" S2 Z", LINEAR_UNIT(endstops.z3_endstop_adj));
-        if (!forReplay) SERIAL_ECHO_START();
-        SERIAL_ECHOPAIR("  M666 S3 Z", LINEAR_UNIT(endstops.z3_endstop_adj));
-        #if NUM_Z_STEPPER_DRIVERS >= 4
-          if (!forReplay) SERIAL_ECHO_START();
-          SERIAL_ECHOPAIR("  M666 S4 Z", LINEAR_UNIT(endstops.z4_endstop_adj));
-        #endif
-      #else
-        SERIAL_ECHOLNPAIR_P(SP_Z_STR, LINEAR_UNIT(endstops.z2_endstop_adj));
-      #endif
-    #endif
-  #endif
-}
-
 #if ENABLED(DELTA)
 
   /**
@@ -92,6 +60,15 @@ void M666_report(const bool forReplay=true) {
     if (!is_set) M666_report();
   }
 
+  void GcodeSuite::M666_report(const bool forReplay/*=true*/) {
+    report_heading_etc(forReplay, PSTR(STR_ENDSTOP_ADJUSTMENT));
+    SERIAL_ECHOLNPAIR_P(
+        PSTR("  M666 X"), LINEAR_UNIT(delta_endstop_adj.a)
+      , SP_Y_STR, LINEAR_UNIT(delta_endstop_adj.b)
+      , SP_Z_STR, LINEAR_UNIT(delta_endstop_adj.c)
+    );
+  }
+
 #else
 
   /**
@@ -105,6 +82,8 @@ void M666_report(const bool forReplay=true) {
    *       Set All: M666 Z<offset>
    */
   void GcodeSuite::M666() {
+    if (!parser.seen_any()) return M666_report();
+
     #if ENABLED(X_DUAL_ENDSTOPS)
       if (parser.seenval('X')) endstops.x2_endstop_adj = parser.value_linear_units();
     #endif
@@ -123,7 +102,30 @@ void M666_report(const bool forReplay=true) {
         #endif
       }
     #endif
-    if (!parser.seen("XYZ")) M666_report();
+  }
+
+  void GcodeSuite::M666_report(const bool forReplay/*=true*/) {
+    report_heading_etc(forReplay, PSTR(STR_ENDSTOP_ADJUSTMENT));
+    SERIAL_ECHOPGM("  M666");
+    #if ENABLED(X_DUAL_ENDSTOPS)
+      SERIAL_ECHOLNPAIR_P(SP_X_STR, LINEAR_UNIT(endstops.x2_endstop_adj));
+    #endif
+    #if ENABLED(Y_DUAL_ENDSTOPS)
+      SERIAL_ECHOLNPAIR_P(SP_Y_STR, LINEAR_UNIT(endstops.y2_endstop_adj));
+    #endif
+    #if ENABLED(Z_MULTI_ENDSTOPS)
+      #if NUM_Z_STEPPER_DRIVERS >= 3
+        SERIAL_ECHOPAIR(" S2 Z", LINEAR_UNIT(endstops.z3_endstop_adj));
+        report_echo_start(forReplay);
+        SERIAL_ECHOPAIR("  M666 S3 Z", LINEAR_UNIT(endstops.z3_endstop_adj));
+        #if NUM_Z_STEPPER_DRIVERS >= 4
+          report_echo_start(forReplay);
+          SERIAL_ECHOPAIR("  M666 S4 Z", LINEAR_UNIT(endstops.z4_endstop_adj));
+        #endif
+      #else
+        SERIAL_ECHOLNPAIR_P(SP_Z_STR, LINEAR_UNIT(endstops.z2_endstop_adj));
+      #endif
+    #endif
   }
 
 #endif // HAS_EXTRA_ENDSTOPS

Marlin/src/gcode/calibrate/M852.cpp

@@ -36,10 +36,11 @@
  *  K[yz_factor] - New YZ skew factor
  */
 void GcodeSuite::M852() {
-  uint8_t ijk = 0, badval = 0, setval = 0;
+  if (!parser.seen("SIJK")) return M852_report();
 
-  if (parser.seen('I') || parser.seen('S')) {
+  uint8_t badval = 0, setval = 0;
-    ++ijk;
+
+  if (parser.seenval('I') || parser.seenval('S')) {
     const float value = parser.value_linear_units();
     if (WITHIN(value, SKEW_FACTOR_MIN, SKEW_FACTOR_MAX)) {
       if (planner.skew_factor.xy != value) {
@@ -53,8 +54,7 @@ void GcodeSuite::M852() {
 
   #if ENABLED(SKEW_CORRECTION_FOR_Z)
 
-    if (parser.seen('J')) {
+    if (parser.seenval('J')) {
-      ++ijk;
       const float value = parser.value_linear_units();
       if (WITHIN(value, SKEW_FACTOR_MIN, SKEW_FACTOR_MAX)) {
         if (planner.skew_factor.xz != value) {
@@ -66,8 +66,7 @@ void GcodeSuite::M852() {
         ++badval;
     }
 
-    if (parser.seen('K')) {
+    if (parser.seenval('K')) {
-      ++ijk;
       const float value = parser.value_linear_units();
       if (WITHIN(value, SKEW_FACTOR_MIN, SKEW_FACTOR_MAX)) {
         if (planner.skew_factor.yz != value) {
@@ -90,17 +89,18 @@ void GcodeSuite::M852() {
     sync_plan_position();
     report_current_position();
   }
+}
 
-  if (!ijk) {
+void GcodeSuite::M852_report(const bool forReplay/*=true*/) {
-    SERIAL_ECHO_START();
+  report_heading_etc(forReplay, PSTR(STR_SKEW_FACTOR));
-    SERIAL_ECHOPGM("Skew Factor");
+  SERIAL_ECHOPAIR_F("  M851 I", planner.skew_factor.xy, 6);
-    SERIAL_ECHOPAIR_F(" XY: ", planner.skew_factor.xy, 6);
   #if ENABLED(SKEW_CORRECTION_FOR_Z)
-      SERIAL_ECHOPAIR_F(" XZ: ", planner.skew_factor.xz, 6);
+    SERIAL_ECHOPAIR_F(" J", planner.skew_factor.xz, 6);
-      SERIAL_ECHOPAIR_F(" YZ: ", planner.skew_factor.yz, 6);
+    SERIAL_ECHOPAIR_F(" K", planner.skew_factor.yz, 6);
+    SERIAL_ECHOLNPGM(" ; XY, XZ, YZ");
+  #else
+    SERIAL_ECHOLNPGM(" ; XY");
   #endif
-    SERIAL_EOL();
-  }
 }
 
 #endif // SKEW_CORRECTION_GCODE

Marlin/src/gcode/config/M200-M205.cpp

@@ -32,9 +32,14 @@
    *    T<extruder> - Optional extruder number. Current extruder if omitted.
    *    D<linear>   - Set filament diameter and enable. D0 disables volumetric.
    *    S<bool>     - Turn volumetric ON or OFF.
+   *
+   * With VOLUMETRIC_EXTRUDER_LIMIT:
+   *
    *    L<float>    - Volumetric extruder limit (in mm^3/sec). L0 disables the limit.
    */
   void GcodeSuite::M200() {
+    if (!parser.seen("DST" TERN_(VOLUMETRIC_EXTRUDER_LIMIT, "L")))
+      return M200_report();
 
     const int8_t target_extruder = get_target_extruder_from_command();
     if (target_extruder < 0) return;
@@ -69,6 +74,37 @@
     planner.calculate_volumetric_multipliers();
   }
 
+  void GcodeSuite::M200_report(const bool forReplay/*=true*/) {
+    if (!forReplay) {
+      report_heading(forReplay, PSTR(STR_FILAMENT_SETTINGS), false);
+      if (!parser.volumetric_enabled) SERIAL_ECHOPGM(" (Disabled):");
+      SERIAL_EOL();
+      report_echo_start(forReplay);
+    }
+
+    #if EXTRUDERS == 1
+    {
+      SERIAL_ECHOLNPAIR(
+        "  M200 S", parser.volumetric_enabled, " D", LINEAR_UNIT(planner.filament_size[0])
+        #if ENABLED(VOLUMETRIC_EXTRUDER_LIMIT)
+          , " L", LINEAR_UNIT(planner.volumetric_extruder_limit[0])
+        #endif
+      );
+    }
+    #else
+      SERIAL_ECHOLNPAIR("  M200 S", parser.volumetric_enabled);
+      LOOP_L_N(i, EXTRUDERS) {
+        report_echo_start(forReplay);
+        SERIAL_ECHOLNPAIR(
+          "  M200 T", i, " D", LINEAR_UNIT(planner.filament_size[i])
+          #if ENABLED(VOLUMETRIC_EXTRUDER_LIMIT)
+            , " L", LINEAR_UNIT(planner.volumetric_extruder_limit[i])
+          #endif
+        );
+      }
+    #endif
+  }
+
 #endif // !NO_VOLUMETRICS
 
 /**
@@ -77,6 +113,8 @@
  *       With multiple extruders use T to specify which one.
  */
 void GcodeSuite::M201() {
+  if (!parser.seen("T" LOGICAL_AXES_STRING))
+    return M201_report();
 
   const int8_t target_extruder = get_target_extruder_from_command();
   if (target_extruder < 0) return;
@@ -94,12 +132,40 @@ void GcodeSuite::M201() {
   }
 }
 
+void GcodeSuite::M201_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(STR_MAX_ACCELERATION));
+  SERIAL_ECHOLNPAIR_P(
+    LIST_N(DOUBLE(LINEAR_AXES),
+      PSTR("  M201 X"), LINEAR_UNIT(planner.settings.max_acceleration_mm_per_s2[X_AXIS]),
+      SP_Y_STR, LINEAR_UNIT(planner.settings.max_acceleration_mm_per_s2[Y_AXIS]),
+      SP_Z_STR, LINEAR_UNIT(planner.settings.max_acceleration_mm_per_s2[Z_AXIS]),
+      SP_I_STR, LINEAR_UNIT(planner.settings.max_acceleration_mm_per_s2[I_AXIS]),
+      SP_J_STR, LINEAR_UNIT(planner.settings.max_acceleration_mm_per_s2[J_AXIS]),
+      SP_K_STR, LINEAR_UNIT(planner.settings.max_acceleration_mm_per_s2[K_AXIS])
+    )
+    #if HAS_EXTRUDERS && DISABLED(DISTINCT_E_FACTORS)
+      , SP_E_STR, VOLUMETRIC_UNIT(planner.settings.max_acceleration_mm_per_s2[E_AXIS])
+    #endif
+  );
+  #if ENABLED(DISTINCT_E_FACTORS)
+    LOOP_L_N(i, E_STEPPERS) {
+      report_echo_start(forReplay);
+      SERIAL_ECHOLNPAIR_P(
+          PSTR("  M201 T"), i
+        , SP_E_STR, VOLUMETRIC_UNIT(planner.settings.max_acceleration_mm_per_s2[E_AXIS_N(i)])
+      );
+    }
+  #endif
+}
+
 /**
  * M203: Set maximum feedrate that your machine can sustain (M203 X200 Y200 Z300 E10000) in units/sec
  *
  *       With multiple extruders use T to specify which one.
  */
 void GcodeSuite::M203() {
+  if (!parser.seen("T" LOGICAL_AXES_STRING))
+    return M203_report();
 
   const int8_t target_extruder = get_target_extruder_from_command();
   if (target_extruder < 0) return;
@@ -111,6 +177,32 @@ void GcodeSuite::M203() {
     }
 }
 
+void GcodeSuite::M203_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(STR_MAX_FEEDRATES));
+  SERIAL_ECHOLNPAIR_P(
+    LIST_N(DOUBLE(LINEAR_AXES),
+      PSTR("  M203 X"), LINEAR_UNIT(planner.settings.max_feedrate_mm_s[X_AXIS]),
+      SP_Y_STR, LINEAR_UNIT(planner.settings.max_feedrate_mm_s[Y_AXIS]),
+      SP_Z_STR, LINEAR_UNIT(planner.settings.max_feedrate_mm_s[Z_AXIS]),
+      SP_I_STR, LINEAR_UNIT(planner.settings.max_feedrate_mm_s[I_AXIS]),
+      SP_J_STR, LINEAR_UNIT(planner.settings.max_feedrate_mm_s[J_AXIS]),
+      SP_K_STR, LINEAR_UNIT(planner.settings.max_feedrate_mm_s[K_AXIS])
+    )
+    #if HAS_EXTRUDERS && DISABLED(DISTINCT_E_FACTORS)
+      , SP_E_STR, VOLUMETRIC_UNIT(planner.settings.max_feedrate_mm_s[E_AXIS])
+    #endif
+  );
+  #if ENABLED(DISTINCT_E_FACTORS)
+    LOOP_L_N(i, E_STEPPERS) {
+      SERIAL_ECHO_START();
+      SERIAL_ECHOLNPAIR_P(
+          PSTR("  M203 T"), i
+        , SP_E_STR, VOLUMETRIC_UNIT(planner.settings.max_feedrate_mm_s[E_AXIS_N(i)])
+      );
+    }
+  #endif
+}
+
 /**
  * M204: Set Accelerations in units/sec^2 (M204 P1200 R3000 T3000)
  *
@@ -119,11 +211,8 @@ void GcodeSuite::M203() {
  *    T = Travel (non printing) moves
  */
 void GcodeSuite::M204() {
-  if (!parser.seen("PRST")) {
+  if (!parser.seen("PRST"))
-    SERIAL_ECHOPAIR("Acceleration: P", planner.settings.acceleration);
+    return M204_report();
-    SERIAL_ECHOPAIR(" R", planner.settings.retract_acceleration);
-    SERIAL_ECHOLNPAIR_P(SP_T_STR, planner.settings.travel_acceleration);
-  }
   else {
     //planner.synchronize();
     // 'S' for legacy compatibility. Should NOT BE USED for new development
@@ -134,6 +223,15 @@ void GcodeSuite::M204() {
   }
 }
 
+void GcodeSuite::M204_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(STR_ACCELERATION_P_R_T));
+  SERIAL_ECHOLNPAIR_P(
+      PSTR("  M204 P"), LINEAR_UNIT(planner.settings.acceleration)
+    , PSTR(" R"), LINEAR_UNIT(planner.settings.retract_acceleration)
+    , SP_T_STR, LINEAR_UNIT(planner.settings.travel_acceleration)
+  );
+}
+
 /**
  * M205: Set Advanced Settings
  *
@@ -147,7 +245,8 @@ void GcodeSuite::M204() {
  *    J = Junction Deviation (mm) (If not using CLASSIC_JERK)
  */
 void GcodeSuite::M205() {
-  if (!parser.seen("BST" TERN_(HAS_JUNCTION_DEVIATION, "J") TERN_(HAS_CLASSIC_JERK, "XYZE"))) return;
+  if (!parser.seen("BST" TERN_(HAS_JUNCTION_DEVIATION, "J") TERN_(HAS_CLASSIC_JERK, "XYZE")))
+    return M205_report();
 
   //planner.synchronize();
   if (parser.seenval('B')) planner.settings.min_segment_time_us = parser.value_ulong();
@@ -184,3 +283,34 @@ void GcodeSuite::M205() {
     #endif
   #endif // HAS_CLASSIC_JERK
 }
+
+void GcodeSuite::M205_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(
+    "Advanced (B<min_segment_time_us> S<min_feedrate> T<min_travel_feedrate>"
+    TERN_(HAS_JUNCTION_DEVIATION, " J<junc_dev>")
+    TERN_(HAS_CLASSIC_JERK, " X<max_x_jerk> Y<max_y_jerk> Z<max_z_jerk>")
+    TERN_(HAS_CLASSIC_E_JERK, " E<max_e_jerk>")
+    ")"
+  ));
+  SERIAL_ECHOLNPAIR_P(
+      PSTR("  M205 B"), LINEAR_UNIT(planner.settings.min_segment_time_us)
+    , PSTR(" S"), LINEAR_UNIT(planner.settings.min_feedrate_mm_s)
+    , SP_T_STR, LINEAR_UNIT(planner.settings.min_travel_feedrate_mm_s)
+    #if HAS_JUNCTION_DEVIATION
+      , PSTR(" J"), LINEAR_UNIT(planner.junction_deviation_mm)
+    #endif
+    #if HAS_CLASSIC_JERK
+      , LIST_N(DOUBLE(LINEAR_AXES),
+        SP_X_STR, LINEAR_UNIT(planner.max_jerk.x),
+        SP_Y_STR, LINEAR_UNIT(planner.max_jerk.y),
+        SP_Z_STR, LINEAR_UNIT(planner.max_jerk.z),
+        SP_I_STR, LINEAR_UNIT(planner.max_jerk.i),
+        SP_J_STR, LINEAR_UNIT(planner.max_jerk.j),
+        SP_K_STR, LINEAR_UNIT(planner.max_jerk.k)
+      )
+      #if HAS_CLASSIC_E_JERK
+        , SP_E_STR, LINEAR_UNIT(planner.max_jerk.e)
+      #endif
+    #endif
+  );
+}

Marlin/src/gcode/config/M217.cpp

@@ -33,44 +33,6 @@
 
 #include "../../MarlinCore.h" // for SP_X_STR, etc.
 
-void M217_report(const bool eeprom=false) {
-
-  #if ENABLED(TOOLCHANGE_FILAMENT_SWAP)
-    SERIAL_ECHOPGM_P(eeprom ? PSTR("  M217") : PSTR("Toolchange:"));
-    SERIAL_ECHOPAIR(" S", LINEAR_UNIT(toolchange_settings.swap_length));
-    SERIAL_ECHOPAIR_P(SP_B_STR, LINEAR_UNIT(toolchange_settings.extra_resume),
-                      SP_E_STR, LINEAR_UNIT(toolchange_settings.extra_prime),
-                      SP_P_STR, LINEAR_UNIT(toolchange_settings.prime_speed));
-    SERIAL_ECHOPAIR(" R", LINEAR_UNIT(toolchange_settings.retract_speed),
-                    " U", LINEAR_UNIT(toolchange_settings.unretract_speed),
-                    " F", toolchange_settings.fan_speed,
-                    " G", toolchange_settings.fan_time);
-
-    #if ENABLED(TOOLCHANGE_MIGRATION_FEATURE)
-      SERIAL_ECHOPAIR(" A", migration.automode);
-      SERIAL_ECHOPAIR(" L", LINEAR_UNIT(migration.last));
-    #endif
-
-    #if ENABLED(TOOLCHANGE_PARK)
-      SERIAL_ECHOPAIR(" W", LINEAR_UNIT(toolchange_settings.enable_park));
-      SERIAL_ECHOPAIR_P(SP_X_STR, LINEAR_UNIT(toolchange_settings.change_point.x));
-      SERIAL_ECHOPAIR_P(SP_Y_STR, LINEAR_UNIT(toolchange_settings.change_point.y));
-    #endif
-
-    #if ENABLED(TOOLCHANGE_FS_PRIME_FIRST_USED)
-      SERIAL_ECHOPAIR(" V", LINEAR_UNIT(enable_first_prime));
-    #endif
-
-  #else
-
-    UNUSED(eeprom);
-
-  #endif
-
-  SERIAL_ECHOPAIR_P(SP_Z_STR, LINEAR_UNIT(toolchange_settings.z_raise));
-  SERIAL_EOL();
-}
-
 /**
  * M217 - Set SINGLENOZZLE toolchange parameters
  *
@@ -168,4 +130,39 @@ void GcodeSuite::M217() {
   M217_report();
 }
 
+void GcodeSuite::M217_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(STR_TOOL_CHANGING));
+
+  SERIAL_ECHOPGM("  M217");
+
+  #if ENABLED(TOOLCHANGE_FILAMENT_SWAP)
+    SERIAL_ECHOPAIR(" S", LINEAR_UNIT(toolchange_settings.swap_length));
+    SERIAL_ECHOPAIR_P(SP_B_STR, LINEAR_UNIT(toolchange_settings.extra_resume),
+                      SP_E_STR, LINEAR_UNIT(toolchange_settings.extra_prime),
+                      SP_P_STR, LINEAR_UNIT(toolchange_settings.prime_speed));
+    SERIAL_ECHOPAIR(" R", LINEAR_UNIT(toolchange_settings.retract_speed),
+                    " U", LINEAR_UNIT(toolchange_settings.unretract_speed),
+                    " F", toolchange_settings.fan_speed,
+                    " G", toolchange_settings.fan_time);
+
+    #if ENABLED(TOOLCHANGE_MIGRATION_FEATURE)
+      SERIAL_ECHOPAIR(" A", migration.automode);
+      SERIAL_ECHOPAIR(" L", LINEAR_UNIT(migration.last));
+    #endif
+
+    #if ENABLED(TOOLCHANGE_PARK)
+      SERIAL_ECHOPAIR(" W", LINEAR_UNIT(toolchange_settings.enable_park));
+      SERIAL_ECHOPAIR_P(SP_X_STR, LINEAR_UNIT(toolchange_settings.change_point.x));
+      SERIAL_ECHOPAIR_P(SP_Y_STR, LINEAR_UNIT(toolchange_settings.change_point.y));
+    #endif
+
+    #if ENABLED(TOOLCHANGE_FS_PRIME_FIRST_USED)
+      SERIAL_ECHOPAIR(" V", LINEAR_UNIT(enable_first_prime));
+    #endif
+
+  #endif
+
+  SERIAL_ECHOLNPAIR_P(SP_Z_STR, LINEAR_UNIT(toolchange_settings.z_raise));
+}
+
 #endif // HAS_MULTI_EXTRUDER

Marlin/src/gcode/config/M218.cpp

@@ -41,6 +41,8 @@
  */
 void GcodeSuite::M218() {
 
+  if (!parser.seen_any()) return M218_report();
+
   const int8_t target_extruder = get_target_extruder_from_command();
   if (target_extruder < 0) return;
 
@@ -48,24 +50,23 @@ void GcodeSuite::M218() {
   if (parser.seenval('Y')) hotend_offset[target_extruder].y = parser.value_linear_units();
   if (parser.seenval('Z')) hotend_offset[target_extruder].z = parser.value_linear_units();
 
-  if (!parser.seen("XYZ")) {
-    SERIAL_ECHO_START();
-    SERIAL_ECHOPGM(STR_HOTEND_OFFSET);
-    HOTEND_LOOP() {
-      SERIAL_CHAR(' ');
-      SERIAL_ECHO(hotend_offset[e].x);
-      SERIAL_CHAR(',');
-      SERIAL_ECHO(hotend_offset[e].y);
-      SERIAL_CHAR(',');
-      SERIAL_ECHO_F(hotend_offset[e].z, 3);
-    }
-    SERIAL_EOL();
-  }
-
   #if ENABLED(DELTA)
     if (target_extruder == active_extruder)
       do_blocking_move_to_xy(current_position, planner.settings.max_feedrate_mm_s[X_AXIS]);
   #endif
 }
 
+void GcodeSuite::M218_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(STR_HOTEND_OFFSETS));
+  LOOP_S_L_N(e, 1, HOTENDS) {
+    report_echo_start(forReplay);
+    SERIAL_ECHOPAIR_P(
+      PSTR("  M218 T"), e,
+      SP_X_STR, LINEAR_UNIT(hotend_offset[e].x),
+      SP_Y_STR, LINEAR_UNIT(hotend_offset[e].y)
+    );
+    SERIAL_ECHOLNPAIR_F_P(SP_Z_STR, LINEAR_UNIT(hotend_offset[e].z), 3);
+  }
+}
+
 #endif // HAS_HOTEND_OFFSET

Marlin/src/gcode/config/M281.cpp

@@ -34,6 +34,7 @@
  *  U<angle> - Stowed Angle
  */
 void GcodeSuite::M281() {
+  if (!parser.seen_any()) return M281_report();
 
   if (!parser.seenval('P')) return;
 
@@ -45,24 +46,32 @@ void GcodeSuite::M281() {
         return;
       }
     #endif
-    bool angle_change = false;
+    if (parser.seen('L')) servo_angles[servo_index][0] = parser.value_int();
-    if (parser.seen('L')) {
+    if (parser.seen('U')) servo_angles[servo_index][1] = parser.value_int();
-      servo_angles[servo_index][0] = parser.value_int();
-      angle_change = true;
-    }
-    if (parser.seen('U')) {
-      servo_angles[servo_index][1] = parser.value_int();
-      angle_change = true;
-    }
-    if (!angle_change) {
-      SERIAL_ECHO_MSG(" Servo ", servo_index,
-                      " L", servo_angles[servo_index][0],
-                      " U", servo_angles[servo_index][1]);
-    }
   }
   else
     SERIAL_ERROR_MSG("Servo ", servo_index, " out of range");
+}
 
+void GcodeSuite::M281_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(STR_SERVO_ANGLES));
+  LOOP_L_N(i, NUM_SERVOS) {
+    switch (i) {
+      default: break;
+      #if ENABLED(SWITCHING_EXTRUDER)
+        case SWITCHING_EXTRUDER_SERVO_NR:
+        #if EXTRUDERS > 3
+          case SWITCHING_EXTRUDER_E23_SERVO_NR:
+        #endif
+      #elif ENABLED(SWITCHING_NOZZLE)
+        case SWITCHING_NOZZLE_SERVO_NR:
+      #elif ENABLED(BLTOUCH) || (HAS_Z_SERVO_PROBE && defined(Z_SERVO_ANGLES))
+        case Z_PROBE_SERVO_NR:
+      #endif
+          report_echo_start(forReplay);
+          SERIAL_ECHOLNPAIR("  M281 P", i, " L", servo_angles[i][0], " U", servo_angles[i][1]);
+    }
+  }
 }
 
 #endif // EDITABLE_SERVO_ANGLES

Marlin/src/gcode/config/M301.cpp

@@ -46,46 +46,63 @@
  *   F[float] Kf term
  */
 void GcodeSuite::M301() {
-
   // multi-extruder PID patch: M301 updates or prints a single extruder's PID values
   // default behavior (omitting E parameter) is to update for extruder 0 only
-  const uint8_t e = parser.byteval('E'); // extruder being updated
+  int8_t e = parser.byteval('E', -1); // extruder being updated
+
+  if (!parser.seen("PID" TERN_(PID_EXTRUSION_SCALING, "CL") TERN_(PID_FAN_SCALING, "F")))
+    return M301_report(true, e);
+
+  if (e == -1) e = 0;
 
   if (e < HOTENDS) { // catch bad input value
-    if (parser.seen('P')) PID_PARAM(Kp, e) = parser.value_float();
+
-    if (parser.seen('I')) PID_PARAM(Ki, e) = scalePID_i(parser.value_float());
+    if (parser.seenval('P')) PID_PARAM(Kp, e) = parser.value_float();
-    if (parser.seen('D')) PID_PARAM(Kd, e) = scalePID_d(parser.value_float());
+    if (parser.seenval('I')) PID_PARAM(Ki, e) = scalePID_i(parser.value_float());
+    if (parser.seenval('D')) PID_PARAM(Kd, e) = scalePID_d(parser.value_float());
+
     #if ENABLED(PID_EXTRUSION_SCALING)
-      if (parser.seen('C')) PID_PARAM(Kc, e) = parser.value_float();
+      if (parser.seenval('C')) PID_PARAM(Kc, e) = parser.value_float();
       if (parser.seenval('L')) thermalManager.lpq_len = parser.value_int();
       NOMORE(thermalManager.lpq_len, LPQ_MAX_LEN);
       NOLESS(thermalManager.lpq_len, 0);
     #endif
 
     #if ENABLED(PID_FAN_SCALING)
-      if (parser.seen('F')) PID_PARAM(Kf, e) = parser.value_float();
+      if (parser.seenval('F')) PID_PARAM(Kf, e) = parser.value_float();
     #endif
 
     thermalManager.updatePID();
-
-    SERIAL_ECHO_START();
-    #if ENABLED(PID_PARAMS_PER_HOTEND)
-      SERIAL_ECHOPAIR(" e:", e); // specify extruder in serial output
-    #endif
-    SERIAL_ECHOPAIR(" p:", PID_PARAM(Kp, e),
-                    " i:", unscalePID_i(PID_PARAM(Ki, e)),
-                    " d:", unscalePID_d(PID_PARAM(Kd, e)));
-    #if ENABLED(PID_EXTRUSION_SCALING)
-      SERIAL_ECHOPAIR(" c:", PID_PARAM(Kc, e));
-    #endif
-    #if ENABLED(PID_FAN_SCALING)
-      SERIAL_ECHOPAIR(" f:", PID_PARAM(Kf, e));
-    #endif
-
-    SERIAL_EOL();
   }
   else
     SERIAL_ERROR_MSG(STR_INVALID_EXTRUDER);
 }
 
+void GcodeSuite::M301_report(const bool forReplay/*=true*/, const int8_t eindex/*=-1*/) {
+  report_heading(forReplay, PSTR(STR_HOTEND_PID));
+  HOTEND_LOOP() {
+    if (e == eindex || eindex == -1) {
+      report_echo_start(forReplay);
+      SERIAL_ECHOPAIR_P(
+        #if ENABLED(PID_PARAMS_PER_HOTEND)
+          PSTR("  M301 E"), e, SP_P_STR
+        #else
+          PSTR("  M301 P")
+        #endif
+        ,                          PID_PARAM(Kp, e)
+        , PSTR(" I"), unscalePID_i(PID_PARAM(Ki, e))
+        , PSTR(" D"), unscalePID_d(PID_PARAM(Kd, e))
+      );
+      #if ENABLED(PID_EXTRUSION_SCALING)
+        SERIAL_ECHOPAIR_P(SP_C_STR, PID_PARAM(Kc, e));
+        if (e == 0) SERIAL_ECHOPAIR(" L", thermalManager.lpq_len);
+      #endif
+      #if ENABLED(PID_FAN_SCALING)
+        SERIAL_ECHOPAIR(" F", PID_PARAM(Kf, e));
+      #endif
+      SERIAL_EOL();
+    }
+  }
+}
+
 #endif // PIDTEMP

Marlin/src/gcode/config/M304.cpp

@@ -35,15 +35,19 @@
  *  D<dval> - Set the D value
  */
 void GcodeSuite::M304() {
-
+  if (!parser.seen("PID")) return M304_report();
   if (parser.seen('P')) thermalManager.temp_bed.pid.Kp = parser.value_float();
   if (parser.seen('I')) thermalManager.temp_bed.pid.Ki = scalePID_i(parser.value_float());
   if (parser.seen('D')) thermalManager.temp_bed.pid.Kd = scalePID_d(parser.value_float());
+}
 
-  SERIAL_ECHO_MSG(" p:", thermalManager.temp_bed.pid.Kp,
+void GcodeSuite::M304_report(const bool forReplay/*=true*/) {
-                  " i:", unscalePID_i(thermalManager.temp_bed.pid.Ki),
+  report_heading_etc(forReplay, PSTR(STR_BED_PID));
-                  " d:", unscalePID_d(thermalManager.temp_bed.pid.Kd));
+  SERIAL_ECHO_MSG(
-
+      "  M304 P", thermalManager.temp_bed.pid.Kp
+    , " I", unscalePID_i(thermalManager.temp_bed.pid.Ki)
+    , " D", unscalePID_d(thermalManager.temp_bed.pid.Kd)
+  );
 }
 
 #endif // PIDTEMPBED

Marlin/src/gcode/config/M305.cpp

@@ -70,10 +70,10 @@ void GcodeSuite::M305() {
   }                       // If not setting then report parameters
   else if (t_index < 0) { // ...all user thermistors
     LOOP_L_N(i, USER_THERMISTORS)
-      thermalManager.log_user_thermistor(i);
+      thermalManager.M305_report(i);
   }
   else                    // ...one user thermistor
-    thermalManager.log_user_thermistor(t_index);
+    thermalManager.M305_report(t_index);
 }
 
 #endif // HAS_USER_THERMISTORS

Marlin/src/gcode/config/M309.cpp

@@ -35,14 +35,19 @@
  *  D<dval> - Set the D value
  */
 void GcodeSuite::M309() {
+  if (!parser.seen("PID")) return M309_report();
   if (parser.seen('P')) thermalManager.temp_chamber.pid.Kp = parser.value_float();
   if (parser.seen('I')) thermalManager.temp_chamber.pid.Ki = scalePID_i(parser.value_float());
   if (parser.seen('D')) thermalManager.temp_chamber.pid.Kd = scalePID_d(parser.value_float());
+}
 
-  SERIAL_ECHO_START();
+void GcodeSuite::M309_report(const bool forReplay/*=true*/) {
-  SERIAL_ECHOLNPAIR(" p:", thermalManager.temp_chamber.pid.Kp,
+  report_heading_etc(forReplay, PSTR(STR_CHAMBER_PID));
-                    " i:", unscalePID_i(thermalManager.temp_chamber.pid.Ki),
+  SERIAL_ECHOLNPAIR(
-                    " d:", unscalePID_d(thermalManager.temp_chamber.pid.Kd));
+      "  M309 P", thermalManager.temp_chamber.pid.Kp
+    , " I", unscalePID_i(thermalManager.temp_chamber.pid.Ki)
+    , " D", unscalePID_d(thermalManager.temp_chamber.pid.Kd)
+  );
 }
 
 #endif // PIDTEMPCHAMBER

Marlin/src/gcode/config/M575.cpp

@@ -53,13 +53,13 @@ void GcodeSuite::M575() {
     case 115200: case 250000: case 500000: case 1000000: {
       const int8_t port = parser.intval('P', -99);
       const bool set1 = (port == -99 || port == 0);
-      if (set1) SERIAL_ECHO_MSG(" Serial ", AS_CHAR('0'), " baud rate set to ", baud);
+      if (set1) SERIAL_ECHO_MSG(" Serial ", AS_DIGIT(0), " baud rate set to ", baud);
       #if HAS_MULTI_SERIAL
         const bool set2 = (port == -99 || port == 1);
-        if (set2) SERIAL_ECHO_MSG(" Serial ", AS_CHAR('1'), " baud rate set to ", baud);
+        if (set2) SERIAL_ECHO_MSG(" Serial ", AS_DIGIT(1), " baud rate set to ", baud);
         #ifdef SERIAL_PORT_3
           const bool set3 = (port == -99 || port == 2);
-          if (set3) SERIAL_ECHO_MSG(" Serial ", AS_CHAR('2'), " baud rate set to ", baud);
+          if (set3) SERIAL_ECHO_MSG(" Serial ", AS_DIGIT(2), " baud rate set to ", baud);
         #endif
       #endif
 

Marlin/src/gcode/config/M92.cpp

@@ -23,33 +23,6 @@
 #include "../gcode.h"
 #include "../../module/planner.h"
 
-void report_M92(const bool echo=true, const int8_t e=-1) {
-  if (echo) SERIAL_ECHO_START(); else SERIAL_CHAR(' ');
-  SERIAL_ECHOPAIR_P(LIST_N(DOUBLE(LINEAR_AXES),
-    PSTR(" M92 X"), LINEAR_UNIT(planner.settings.axis_steps_per_mm[X_AXIS]),
-    SP_Y_STR, LINEAR_UNIT(planner.settings.axis_steps_per_mm[Y_AXIS]),
-    SP_Z_STR, LINEAR_UNIT(planner.settings.axis_steps_per_mm[Z_AXIS]),
-    SP_I_STR, LINEAR_UNIT(planner.settings.axis_steps_per_mm[I_AXIS]),
-    SP_J_STR, LINEAR_UNIT(planner.settings.axis_steps_per_mm[J_AXIS]),
-    SP_K_STR, LINEAR_UNIT(planner.settings.axis_steps_per_mm[K_AXIS]))
-  );
-  #if HAS_EXTRUDERS && DISABLED(DISTINCT_E_FACTORS)
-    SERIAL_ECHOPAIR_P(SP_E_STR, VOLUMETRIC_UNIT(planner.settings.axis_steps_per_mm[E_AXIS]));
-  #endif
-  SERIAL_EOL();
-
-  #if ENABLED(DISTINCT_E_FACTORS)
-    LOOP_L_N(i, E_STEPPERS) {
-      if (e >= 0 && i != e) continue;
-      if (echo) SERIAL_ECHO_START(); else SERIAL_CHAR(' ');
-      SERIAL_ECHOLNPAIR_P(PSTR(" M92 T"), i,
-                        SP_E_STR, VOLUMETRIC_UNIT(planner.settings.axis_steps_per_mm[E_AXIS_N(i)]));
-    }
-  #endif
-
-  UNUSED(e);
-}
-
 /**
  * M92: Set axis steps-per-unit for one or more axes, X, Y, Z, and E.
  *      (Follows the same syntax as G92)
@@ -59,9 +32,10 @@ void report_M92(const bool echo=true, const int8_t e=-1) {
  *      If no argument is given print the current values.
  *
  * With MAGIC_NUMBERS_GCODE:
+ *
  *   Use 'H' and/or 'L' to get ideal layer-height information.
- *      'H' specifies micro-steps to use. We guess if it's not supplied.
+ *   H<microsteps> - Specify micro-steps to use. Best guess if not supplied.
- *      'L' specifies a desired layer height. Nearest good heights are shown.
+ *   L<linear>     - Desired layer height in current units. Nearest good heights are shown.
  */
 void GcodeSuite::M92() {
 
@@ -69,10 +43,8 @@ void GcodeSuite::M92() {
   if (target_extruder < 0) return;
 
   // No arguments? Show M92 report.
-  if (!parser.seen(
+  if (!parser.seen(LOGICAL_AXES_STRING TERN_(MAGIC_NUMBERS_GCODE, "HL")))
-    LOGICAL_AXIS_GANG("E", "X", "Y", "Z", AXIS4_STR, AXIS5_STR, AXIS6_STR)
+    return M92_report(true, target_extruder);
-    TERN_(MAGIC_NUMBERS_GCODE, "HL")
-  )) return report_M92(true, target_extruder);
 
   LOOP_LOGICAL_AXES(i) {
     if (parser.seenval(axis_codes[i])) {
@@ -100,7 +72,7 @@ void GcodeSuite::M92() {
     #ifndef Z_MICROSTEPS
       #define Z_MICROSTEPS 16
     #endif
-    const float wanted = parser.floatval('L');
+    const float wanted = parser.linearval('L');
     if (parser.seen('H') || wanted) {
       const uint16_t argH = parser.ushortval('H'),
                      micro_steps = argH ?: Z_MICROSTEPS;
@@ -117,3 +89,32 @@ void GcodeSuite::M92() {
     }
   #endif
 }
+
+void GcodeSuite::M92_report(const bool forReplay/*=true*/, const int8_t e/*=-1*/) {
+  report_heading_etc(forReplay, PSTR(STR_STEPS_PER_UNIT));
+  SERIAL_ECHOPAIR_P(LIST_N(DOUBLE(LINEAR_AXES),
+    PSTR("  M92 X"), LINEAR_UNIT(planner.settings.axis_steps_per_mm[X_AXIS]),
+    SP_Y_STR, LINEAR_UNIT(planner.settings.axis_steps_per_mm[Y_AXIS]),
+    SP_Z_STR, LINEAR_UNIT(planner.settings.axis_steps_per_mm[Z_AXIS]),
+    SP_I_STR, LINEAR_UNIT(planner.settings.axis_steps_per_mm[I_AXIS]),
+    SP_J_STR, LINEAR_UNIT(planner.settings.axis_steps_per_mm[J_AXIS]),
+    SP_K_STR, LINEAR_UNIT(planner.settings.axis_steps_per_mm[K_AXIS]))
+  );
+  #if HAS_EXTRUDERS && DISABLED(DISTINCT_E_FACTORS)
+    SERIAL_ECHOPAIR_P(SP_E_STR, VOLUMETRIC_UNIT(planner.settings.axis_steps_per_mm[E_AXIS]));
+  #endif
+  SERIAL_EOL();
+
+  #if ENABLED(DISTINCT_E_FACTORS)
+    LOOP_L_N(i, E_STEPPERS) {
+      if (e >= 0 && i != e) continue;
+      report_echo_start(forReplay);
+      SERIAL_ECHOLNPAIR_P(
+        PSTR("  M92 T"), i,
+        SP_E_STR, VOLUMETRIC_UNIT(planner.settings.axis_steps_per_mm[E_AXIS_N(i)])
+      );
+    }
+  #else
+    UNUSED(e);
+  #endif
+}

Marlin/src/gcode/control/M17_M18_M84.cpp

@@ -33,7 +33,7 @@
  * M17: Enable stepper motors
  */
 void GcodeSuite::M17() {
-  if (parser.seen(LOGICAL_AXIS_GANG("E", "X", "Y", "Z", AXIS4_STR, AXIS5_STR, AXIS6_STR))) {
+  if (parser.seen_axis()) {
     LOGICAL_AXIS_CODE(
       if (TERN0(HAS_E_STEPPER_ENABLE, parser.seen_test('E'))) enable_e_steppers(),
       if (parser.seen_test('X'))        ENABLE_AXIS_X(),
@@ -59,7 +59,7 @@ void GcodeSuite::M18_M84() {
     stepper_inactive_time = parser.value_millis_from_seconds();
   }
   else {
-    if (parser.seen(LOGICAL_AXIS_GANG("E", "X", "Y", "Z", AXIS4_STR, AXIS5_STR, AXIS6_STR))) {
+    if (parser.seen_axis()) {
       planner.synchronize();
       LOGICAL_AXIS_CODE(
         if (TERN0(HAS_E_STEPPER_ENABLE, parser.seen_test('E'))) disable_e_steppers(),

Marlin/src/gcode/control/M211.cpp

@@ -33,14 +33,22 @@
  * Usage: M211 S1 to enable, M211 S0 to disable, M211 alone for report
  */
 void GcodeSuite::M211() {
+  if (parser.seen('S'))
+    soft_endstop._enabled = parser.value_bool();
+  else
+    M211_report();
+}
+
+void GcodeSuite::M211_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(STR_SOFT_ENDSTOPS));
+  SERIAL_ECHOPAIR("  M211 S", AS_DIGIT(soft_endstop._enabled), " ; ");
+  serialprintln_onoff(soft_endstop._enabled);
+
+  report_echo_start(forReplay);
   const xyz_pos_t l_soft_min = soft_endstop.min.asLogical(),
                   l_soft_max = soft_endstop.max.asLogical();
-  SERIAL_ECHO_START();
-  SERIAL_ECHOPGM(STR_SOFT_ENDSTOPS);
-  if (parser.seen('S')) soft_endstop._enabled = parser.value_bool();
-  serialprint_onoff(soft_endstop._enabled);
   print_pos(l_soft_min, PSTR(STR_SOFT_MIN), PSTR(" "));
   print_pos(l_soft_max, PSTR(STR_SOFT_MAX));
 }
 
-#endif
+#endif // HAS_SOFTWARE_ENDSTOPS

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

@@ -144,4 +144,17 @@ void GcodeSuite::M900() {
 
 }
 
+void GcodeSuite::M900_report(const bool forReplay/*=true*/) {
+  report_heading(forReplay, PSTR(STR_LINEAR_ADVANCE));
+  #if EXTRUDERS < 2
+    report_echo_start(forReplay);
+    SERIAL_ECHOLNPAIR("  M900 K", planner.extruder_advance_K[0]);
+  #else
+    LOOP_L_N(i, EXTRUDERS) {
+      report_echo_start(forReplay);
+      SERIAL_ECHOLNPAIR("  M900 T", i, " K", planner.extruder_advance_K[i]);
+    }
+  #endif
+}
+
 #endif // LIN_ADVANCE

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

@@ -27,18 +27,6 @@
 #include "../../gcode.h"
 #include "../../../feature/controllerfan.h"
 
-void M710_report(const bool forReplay=true) {
-  if (!forReplay) { SERIAL_ECHOLNPGM("; Controller Fan"); SERIAL_ECHO_START(); }
-  SERIAL_ECHOLNPAIR("  M710"
-    " S", int(controllerFan.settings.active_speed),
-    " I", int(controllerFan.settings.idle_speed),
-    " A", int(controllerFan.settings.auto_mode),
-    " D", controllerFan.settings.duration,
-    " ; (", (int(controllerFan.settings.active_speed) * 100) / 255, "%"
-    " ", (int(controllerFan.settings.idle_speed) * 100) / 255, "%)"
-  );
-}
-
 /**
  * M710: Set controller fan settings
  *
@@ -78,4 +66,16 @@ void GcodeSuite::M710() {
     M710_report();
 }
 
+void GcodeSuite::M710_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(STR_CONTROLLER_FAN));
+  SERIAL_ECHOLNPAIR("  M710"
+    " S", int(controllerFan.settings.active_speed),
+    " I", int(controllerFan.settings.idle_speed),
+    " A", int(controllerFan.settings.auto_mode),
+    " D", controllerFan.settings.duration,
+    " ; (", (int(controllerFan.settings.active_speed) * 100) / 255, "%"
+    " ", (int(controllerFan.settings.idle_speed) * 100) / 255, "%)"
+  );
+}
+
 #endif // CONTROLLER_FAN_EDITABLE

Marlin/src/gcode/feature/digipot/M907-M910.cpp

@@ -22,7 +22,7 @@
 
 #include "../../../inc/MarlinConfig.h"
 
-#if ANY(HAS_MOTOR_CURRENT_SPI, HAS_MOTOR_CURRENT_PWM, HAS_MOTOR_CURRENT_I2C, HAS_MOTOR_CURRENT_DAC)
+#if HAS_MOTOR_CURRENT_SPI || HAS_MOTOR_CURRENT_PWM || HAS_MOTOR_CURRENT_I2C || HAS_MOTOR_CURRENT_DAC
 
 #include "../../gcode.h"
 
@@ -44,12 +44,27 @@
 void GcodeSuite::M907() {
   #if HAS_MOTOR_CURRENT_SPI
 
+    if (!parser.seen("BS" LOGICAL_AXES_STRING))
+      return M907_report();
+
     LOOP_LOGICAL_AXES(i) if (parser.seenval(axis_codes[i])) stepper.set_digipot_current(i, parser.value_int());
     if (parser.seenval('B')) stepper.set_digipot_current(4, parser.value_int());
     if (parser.seenval('S')) LOOP_LE_N(i, 4) stepper.set_digipot_current(i, parser.value_int());
 
   #elif HAS_MOTOR_CURRENT_PWM
 
+    if (!parser.seen(
+      #if ANY_PIN(MOTOR_CURRENT_PWM_X, MOTOR_CURRENT_PWM_Y, MOTOR_CURRENT_PWM_XY)
+        "XY"
+      #endif
+      #if PIN_EXISTS(MOTOR_CURRENT_PWM_Z)
+        "Z"
+      #endif
+      #if PIN_EXISTS(MOTOR_CURRENT_PWM_E)
+        "E"
+      #endif
+    )) return M907_report();
+
     #if ANY_PIN(MOTOR_CURRENT_PWM_X, MOTOR_CURRENT_PWM_Y, MOTOR_CURRENT_PWM_XY)
       if (parser.seenval('X') || parser.seenval('Y')) stepper.set_digipot_current(0, parser.value_int());
     #endif
@@ -82,7 +97,30 @@ void GcodeSuite::M907() {
   #endif
 }
 
-#if EITHER(HAS_MOTOR_CURRENT_SPI, HAS_MOTOR_CURRENT_DAC)
+#if HAS_MOTOR_CURRENT_SPI || HAS_MOTOR_CURRENT_PWM
+
+  void GcodeSuite::M907_report(const bool forReplay/*=true*/) {
+    report_heading_etc(forReplay, PSTR(STR_STEPPER_MOTOR_CURRENTS));
+    #if HAS_MOTOR_CURRENT_PWM
+      SERIAL_ECHOLNPAIR_P(                                    // PWM-based has 3 values:
+          PSTR("  M907 X"), stepper.motor_current_setting[0]  // X and Y
+        , SP_Z_STR,         stepper.motor_current_setting[1]  // Z
+        , SP_E_STR,         stepper.motor_current_setting[2]  // E
+      );
+    #elif HAS_MOTOR_CURRENT_SPI
+      SERIAL_ECHOPGM("  M907");                               // SPI-based has 5 values:
+      LOOP_LOGICAL_AXES(q) {                                  // X Y Z (I J K) E (map to X Y Z (I J K) E0 by default)
+        SERIAL_CHAR(' ', axis_codes[q]);
+        SERIAL_ECHO(stepper.motor_current_setting[q]);
+      }
+      SERIAL_CHAR(' ', 'B');                                  // B (maps to E1 by default)
+      SERIAL_ECHOLN(stepper.motor_current_setting[4]);
+    #endif
+  }
+
+#endif // HAS_MOTOR_CURRENT_SPI || HAS_MOTOR_CURRENT_PWM
+
+#if HAS_MOTOR_CURRENT_SPI || HAS_MOTOR_CURRENT_DAC
 
   /**
    * M908: Control digital trimpot directly (M908 P<pin> S<current>)

Marlin/src/gcode/feature/fwretract/M207-M209.cpp

@@ -29,14 +29,34 @@
 
 /**
  * M207: Set firmware retraction values
+ *
+ *   S[+units]    retract_length
+ *   W[+units]    swap_retract_length (multi-extruder)
+ *   F[units/min] retract_feedrate_mm_s
+ *   Z[units]     retract_zraise
  */
 void GcodeSuite::M207() { fwretract.M207(); }
 
+void GcodeSuite::M207_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(STR_RETRACT_S_F_Z));
+  fwretract.M207_report();
+}
+
 /**
  * M208: Set firmware un-retraction values
+ *
+ *   S[+units]    retract_recover_extra (in addition to M207 S*)
+ *   W[+units]    swap_retract_recover_extra (multi-extruder)
+ *   F[units/min] retract_recover_feedrate_mm_s
+ *   R[units/min] swap_retract_recover_feedrate_mm_s
  */
 void GcodeSuite::M208() { fwretract.M208(); }
 
+void GcodeSuite::M208_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(STR_RECOVER_S_F));
+  fwretract.M208_report();
+}
+
 #if ENABLED(FWRETRACT_AUTORETRACT)
 
   /**
@@ -47,6 +67,11 @@ void GcodeSuite::M208() { fwretract.M208(); }
    */
   void GcodeSuite::M209() { fwretract.M209(); }
 
+  void GcodeSuite::M209_report(const bool forReplay/*=true*/) {
+    report_heading_etc(forReplay, PSTR(STR_AUTO_RETRACT_S));
+    fwretract.M209_report();
+  }
+
 #endif
 
 #endif // FWRETRACT

Marlin/src/gcode/feature/network/M552-M554.cpp

@@ -64,17 +64,7 @@ void ip_report(const uint16_t cmd, PGM_P const post, const IPAddress &ipo) {
     if (i < 3) SERIAL_CHAR('.');
   }
   SERIAL_ECHOPGM(" ; ");
-  SERIAL_ECHOPGM_P(post);
+  SERIAL_ECHOLNPGM_P(post);
-  SERIAL_EOL();
-}
-void M552_report() {
-  ip_report(552, PSTR("ip address"), Ethernet.linkStatus() == LinkON ? Ethernet.localIP() : ethernet.ip);
-}
-void M553_report() {
-  ip_report(553, PSTR("subnet mask"), Ethernet.linkStatus() == LinkON ? Ethernet.subnetMask() : ethernet.subnet);
-}
-void M554_report() {
-  ip_report(554, PSTR("gateway"), Ethernet.linkStatus() == LinkON ? Ethernet.gatewayIP() : ethernet.gateway);
 }
 
 /**
@@ -107,20 +97,36 @@ void GcodeSuite::M552() {
   if (nopar || seenP) M552_report();
 }
 
+void GcodeSuite::M552_report() {
+  ip_report(552, PSTR("ip address"), Ethernet.linkStatus() == LinkON ? Ethernet.localIP() : ethernet.ip);
+}
+
 /**
  * M553 Pnnn - Set netmask
  */
 void GcodeSuite::M553() {
-  if (parser.seenval('P')) ethernet.subnet.fromString(parser.value_string());
+  if (parser.seenval('P'))
+    ethernet.subnet.fromString(parser.value_string());
+  else
     M553_report();
 }
 
+void GcodeSuite::M553_report() {
+  ip_report(553, PSTR("subnet mask"), Ethernet.linkStatus() == LinkON ? Ethernet.subnetMask() : ethernet.subnet);
+}
+
 /**
  * M554 Pnnn - Set Gateway
  */
 void GcodeSuite::M554() {
-  if (parser.seenval('P')) ethernet.gateway.fromString(parser.value_string());
+  if (parser.seenval('P'))
+    ethernet.gateway.fromString(parser.value_string());
+  else
     M554_report();
 }
 
+void GcodeSuite::M554_report() {
+  ip_report(554, PSTR("gateway"), Ethernet.linkStatus() == LinkON ? Ethernet.gatewayIP() : ethernet.gateway);
+}
+
 #endif // HAS_ETHERNET

Marlin/src/gcode/feature/pause/M603.cpp

@@ -42,6 +42,8 @@
  */
 void GcodeSuite::M603() {
 
+  if (!parser.seen("TUL")) return M603_report();
+
   const int8_t target_extruder = get_target_extruder_from_command();
   if (target_extruder < 0) return;
 
@@ -62,4 +64,20 @@ void GcodeSuite::M603() {
   }
 }
 
+void GcodeSuite::M603_report(const bool forReplay/*=true*/) {
+  report_heading(forReplay, PSTR(STR_FILAMENT_LOAD_UNLOAD));
+
+  #if EXTRUDERS == 1
+    report_echo_start(forReplay);
+    SERIAL_ECHOPAIR("  M603 L", LINEAR_UNIT(fc_settings[0].load_length), " U", LINEAR_UNIT(fc_settings[0].unload_length), " ;");
+    say_units();
+  #else
+    LOOP_L_N(e, EXTRUDERS) {
+      report_echo_start(forReplay);
+      SERIAL_ECHOPAIR("  M603 T", e, " L", LINEAR_UNIT(fc_settings[e].load_length), " U", LINEAR_UNIT(fc_settings[e].unload_length), " ;");
+      say_units();
+    }
+  #endif
+}
+
 #endif // ADVANCED_PAUSE_FEATURE

Marlin/src/gcode/feature/powerloss/M413.cpp

@@ -40,11 +40,8 @@ void GcodeSuite::M413() {
 
   if (parser.seen('S'))
     recovery.enable(parser.value_bool());
-  else {
+  else
-    SERIAL_ECHO_START();
+    M413_report();
-    SERIAL_ECHOPGM("Power-loss recovery ");
-    serialprintln_onoff(recovery.enabled);
-  }
 
   #if ENABLED(DEBUG_POWER_LOSS_RECOVERY)
     if (parser.seen("RL")) recovery.load();
@@ -59,4 +56,10 @@ void GcodeSuite::M413() {
   #endif
 }
 
+void GcodeSuite::M413_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(STR_POWER_LOSS_RECOVERY));
+  SERIAL_ECHOPAIR("  M413 S", AS_DIGIT(recovery.enabled), " ; ");
+  serialprintln_onoff(recovery.enabled);
+}
+
 #endif // POWER_LOSS_RECOVERY

Marlin/src/gcode/feature/runout/M412.cpp

@@ -66,4 +66,16 @@ void GcodeSuite::M412() {
   }
 }
 
+void GcodeSuite::M412_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(STR_FILAMENT_RUNOUT_SENSOR));
+  SERIAL_ECHOLNPAIR(
+    "  M412 S", runout.enabled
+    #if HAS_FILAMENT_RUNOUT_DISTANCE
+      , " D", LINEAR_UNIT(runout.runout_distance())
+    #endif
+    , " ; Sensor "
+  );
+  serialprintln_onoff(runout.enabled);
+}
+
 #endif // HAS_FILAMENT_SENSOR

Marlin/src/gcode/feature/trinamic/M569.cpp

@@ -138,4 +138,66 @@ void GcodeSuite::M569() {
     say_stealth_status();
 }
 
+void GcodeSuite::M569_report(const bool forReplay/*=true*/) {
+  report_heading(forReplay, PSTR(STR_DRIVER_STEPPING_MODE));
+
+  auto say_M569 = [](const bool forReplay, const char * const etc=nullptr, const bool eol=false) {
+    if (!forReplay) SERIAL_ECHO_START();
+    SERIAL_ECHOPGM("  M569 S1");
+    if (etc) {
+      SERIAL_CHAR(' ');
+      SERIAL_ECHOPGM_P(etc);
+    }
+    if (eol) SERIAL_EOL();
+  };
+
+  const bool chop_x = TERN0(X_HAS_STEALTHCHOP, stepperX.get_stored_stealthChop()),
+             chop_y = TERN0(Y_HAS_STEALTHCHOP, stepperY.get_stored_stealthChop()),
+             chop_z = TERN0(Z_HAS_STEALTHCHOP, stepperZ.get_stored_stealthChop()),
+             chop_i = TERN0(I_HAS_STEALTHCHOP, stepperI.get_stored_stealthChop()),
+             chop_j = TERN0(J_HAS_STEALTHCHOP, stepperJ.get_stored_stealthChop()),
+             chop_k = TERN0(K_HAS_STEALTHCHOP, stepperK.get_stored_stealthChop());
+
+  if (chop_x || chop_y || chop_z || chop_i || chop_j || chop_k) {
+    say_M569(forReplay);
+    LINEAR_AXIS_CODE(
+      if (chop_x) SERIAL_ECHOPGM_P(SP_X_STR),
+      if (chop_y) SERIAL_ECHOPGM_P(SP_Y_STR),
+      if (chop_z) SERIAL_ECHOPGM_P(SP_Z_STR),
+      if (chop_i) SERIAL_ECHOPGM_P(SP_I_STR),
+      if (chop_j) SERIAL_ECHOPGM_P(SP_J_STR),
+      if (chop_k) SERIAL_ECHOPGM_P(SP_K_STR)
+    );
+    SERIAL_EOL();
+  }
+
+  const bool chop_x2 = TERN0(X2_HAS_STEALTHCHOP, stepperX2.get_stored_stealthChop()),
+             chop_y2 = TERN0(Y2_HAS_STEALTHCHOP, stepperY2.get_stored_stealthChop()),
+             chop_z2 = TERN0(Z2_HAS_STEALTHCHOP, stepperZ2.get_stored_stealthChop());
+
+  if (chop_x2 || chop_y2 || chop_z2) {
+    say_M569(forReplay, PSTR("I1"));
+    if (chop_x2) SERIAL_ECHOPGM_P(SP_X_STR);
+    if (chop_y2) SERIAL_ECHOPGM_P(SP_Y_STR);
+    if (chop_z2) SERIAL_ECHOPGM_P(SP_Z_STR);
+    SERIAL_EOL();
+  }
+
+  if (TERN0(Z3_HAS_STEALTHCHOP, stepperZ3.get_stored_stealthChop())) { say_M569(forReplay, PSTR("I2 Z"), true); }
+  if (TERN0(Z4_HAS_STEALTHCHOP, stepperZ4.get_stored_stealthChop())) { say_M569(forReplay, PSTR("I3 Z"), true); }
+
+  if (TERN0( I_HAS_STEALTHCHOP, stepperI.get_stored_stealthChop()))  { say_M569(forReplay, SP_I_STR, true); }
+  if (TERN0( J_HAS_STEALTHCHOP, stepperJ.get_stored_stealthChop()))  { say_M569(forReplay, SP_J_STR, true); }
+  if (TERN0( K_HAS_STEALTHCHOP, stepperK.get_stored_stealthChop()))  { say_M569(forReplay, SP_K_STR, true); }
+
+  if (TERN0(E0_HAS_STEALTHCHOP, stepperE0.get_stored_stealthChop())) { say_M569(forReplay, PSTR("T0 E"), true); }
+  if (TERN0(E1_HAS_STEALTHCHOP, stepperE1.get_stored_stealthChop())) { say_M569(forReplay, PSTR("T1 E"), true); }
+  if (TERN0(E2_HAS_STEALTHCHOP, stepperE2.get_stored_stealthChop())) { say_M569(forReplay, PSTR("T2 E"), true); }
+  if (TERN0(E3_HAS_STEALTHCHOP, stepperE3.get_stored_stealthChop())) { say_M569(forReplay, PSTR("T3 E"), true); }
+  if (TERN0(E4_HAS_STEALTHCHOP, stepperE4.get_stored_stealthChop())) { say_M569(forReplay, PSTR("T4 E"), true); }
+  if (TERN0(E5_HAS_STEALTHCHOP, stepperE5.get_stored_stealthChop())) { say_M569(forReplay, PSTR("T5 E"), true); }
+  if (TERN0(E6_HAS_STEALTHCHOP, stepperE6.get_stored_stealthChop())) { say_M569(forReplay, PSTR("T6 E"), true); }
+  if (TERN0(E7_HAS_STEALTHCHOP, stepperE7.get_stored_stealthChop())) { say_M569(forReplay, PSTR("T7 E"), true); }
+}
+
 #endif // HAS_STEALTHCHOP

Marlin/src/gcode/feature/trinamic/M906.cpp

@@ -198,4 +198,99 @@ void GcodeSuite::M906() {
   }
 }
 
+void GcodeSuite::M906_report(const bool forReplay/*=true*/) {
+  report_heading(forReplay, PSTR(STR_STEPPER_DRIVER_CURRENT));
+
+  auto say_M906 = [](const bool forReplay) {
+    report_echo_start(forReplay);
+    SERIAL_ECHOPGM("  M906");
+  };
+
+  #if AXIS_IS_TMC(X) || AXIS_IS_TMC(Y) || AXIS_IS_TMC(Z)
+    say_M906(forReplay);
+    #if AXIS_IS_TMC(X)
+      SERIAL_ECHOPAIR_P(SP_X_STR, stepperX.getMilliamps());
+    #endif
+    #if AXIS_IS_TMC(Y)
+      SERIAL_ECHOPAIR_P(SP_Y_STR, stepperY.getMilliamps());
+    #endif
+    #if AXIS_IS_TMC(Z)
+      SERIAL_ECHOPAIR_P(SP_Z_STR, stepperZ.getMilliamps());
+    #endif
+    SERIAL_EOL();
+  #endif
+
+  #if AXIS_IS_TMC(X2) || AXIS_IS_TMC(Y2) || AXIS_IS_TMC(Z2)
+    say_M906(forReplay);
+    SERIAL_ECHOPGM(" I1");
+    #if AXIS_IS_TMC(X2)
+      SERIAL_ECHOPAIR_P(SP_X_STR, stepperX2.getMilliamps());
+    #endif
+    #if AXIS_IS_TMC(Y2)
+      SERIAL_ECHOPAIR_P(SP_Y_STR, stepperY2.getMilliamps());
+    #endif
+    #if AXIS_IS_TMC(Z2)
+      SERIAL_ECHOPAIR_P(SP_Z_STR, stepperZ2.getMilliamps());
+    #endif
+    SERIAL_EOL();
+  #endif
+
+  #if AXIS_IS_TMC(Z3)
+    say_M906(forReplay);
+    SERIAL_ECHOLNPAIR(" I2 Z", stepperZ3.getMilliamps());
+  #endif
+
+  #if AXIS_IS_TMC(Z4)
+    say_M906(forReplay);
+    SERIAL_ECHOLNPAIR(" I3 Z", stepperZ4.getMilliamps());
+  #endif
+
+  #if AXIS_IS_TMC(I)
+    say_M906(forReplay);
+    SERIAL_ECHOLNPAIR_P(SP_I_STR, stepperI.getMilliamps());
+  #endif
+  #if AXIS_IS_TMC(J)
+    say_M906(forReplay);
+    SERIAL_ECHOLNPAIR_P(SP_J_STR, stepperJ.getMilliamps());
+  #endif
+  #if AXIS_IS_TMC(K)
+    say_M906(forReplay);
+    SERIAL_ECHOLNPAIR_P(SP_K_STR, stepperK.getMilliamps());
+  #endif
+
+  #if AXIS_IS_TMC(E0)
+    say_M906(forReplay);
+    SERIAL_ECHOLNPAIR(" T0 E", stepperE0.getMilliamps());
+  #endif
+  #if AXIS_IS_TMC(E1)
+    say_M906(forReplay);
+    SERIAL_ECHOLNPAIR(" T1 E", stepperE1.getMilliamps());
+  #endif
+  #if AXIS_IS_TMC(E2)
+    say_M906(forReplay);
+    SERIAL_ECHOLNPAIR(" T2 E", stepperE2.getMilliamps());
+  #endif
+  #if AXIS_IS_TMC(E3)
+    say_M906(forReplay);
+    SERIAL_ECHOLNPAIR(" T3 E", stepperE3.getMilliamps());
+  #endif
+  #if AXIS_IS_TMC(E4)
+    say_M906(forReplay);
+    SERIAL_ECHOLNPAIR(" T4 E", stepperE4.getMilliamps());
+  #endif
+  #if AXIS_IS_TMC(E5)
+    say_M906(forReplay);
+    SERIAL_ECHOLNPAIR(" T5 E", stepperE5.getMilliamps());
+  #endif
+  #if AXIS_IS_TMC(E6)
+    say_M906(forReplay);
+    SERIAL_ECHOLNPAIR(" T6 E", stepperE6.getMilliamps());
+  #endif
+  #if AXIS_IS_TMC(E7)
+    say_M906(forReplay);
+    SERIAL_ECHOLNPAIR(" T7 E", stepperE7.getMilliamps());
+  #endif
+  SERIAL_EOL();
+}
+
 #endif // HAS_TRINAMIC_CONFIG

Marlin/src/gcode/feature/trinamic/M911-M914.cpp

@@ -227,6 +227,7 @@
  * M913: Set HYBRID_THRESHOLD speed.
  */
 #if ENABLED(HYBRID_THRESHOLD)
+
   void GcodeSuite::M913() {
     #define TMC_SAY_PWMTHRS(A,Q) tmc_print_pwmthrs(stepper##Q)
     #define TMC_SET_PWMTHRS(A,Q) stepper##Q.set_pwm_thrs(value)
@@ -308,12 +309,109 @@
       TERN_(E7_HAS_STEALTHCHOP, TMC_SAY_PWMTHRS_E(7));
     }
   }
+
+  void GcodeSuite::M913_report(const bool forReplay/*=true*/) {
+    report_heading(forReplay, PSTR(STR_HYBRID_THRESHOLD));
+
+    auto say_M913 = [](const bool forReplay) {
+      report_echo_start(forReplay);
+      SERIAL_ECHOPGM("  M913");
+    };
+
+    #if X_HAS_STEALTHCHOP || Y_HAS_STEALTHCHOP || Z_HAS_STEALTHCHOP
+      say_M913(forReplay);
+      #if X_HAS_STEALTHCHOP
+        SERIAL_ECHOPAIR_P(SP_X_STR, stepperX.get_pwm_thrs());
+      #endif
+      #if Y_HAS_STEALTHCHOP
+        SERIAL_ECHOPAIR_P(SP_Y_STR, stepperY.get_pwm_thrs());
+      #endif
+      #if Z_HAS_STEALTHCHOP
+        SERIAL_ECHOPAIR_P(SP_Z_STR, stepperZ.get_pwm_thrs());
+      #endif
+      SERIAL_EOL();
+    #endif
+
+    #if X2_HAS_STEALTHCHOP || Y2_HAS_STEALTHCHOP || Z2_HAS_STEALTHCHOP
+      say_M913(forReplay);
+      SERIAL_ECHOPGM(" I1");
+      #if X2_HAS_STEALTHCHOP
+        SERIAL_ECHOPAIR_P(SP_X_STR, stepperX2.get_pwm_thrs());
+      #endif
+      #if Y2_HAS_STEALTHCHOP
+        SERIAL_ECHOPAIR_P(SP_Y_STR, stepperY2.get_pwm_thrs());
+      #endif
+      #if Z2_HAS_STEALTHCHOP
+        SERIAL_ECHOPAIR_P(SP_Z_STR, stepperZ2.get_pwm_thrs());
+      #endif
+      SERIAL_EOL();
+    #endif
+
+    #if Z3_HAS_STEALTHCHOP
+      say_M913(forReplay);
+      SERIAL_ECHOLNPAIR(" I2 Z", stepperZ3.get_pwm_thrs());
+    #endif
+
+    #if Z4_HAS_STEALTHCHOP
+      say_M913(forReplay);
+      SERIAL_ECHOLNPAIR(" I3 Z", stepperZ4.get_pwm_thrs());
+    #endif
+
+    #if I_HAS_STEALTHCHOP
+      say_M913(forReplay);
+      SERIAL_ECHOLNPAIR_P(SP_I_STR, stepperI.get_pwm_thrs());
+    #endif
+    #if J_HAS_STEALTHCHOP
+      say_M913(forReplay);
+      SERIAL_ECHOLNPAIR_P(SP_J_STR, stepperJ.get_pwm_thrs());
+    #endif
+    #if K_HAS_STEALTHCHOP
+      say_M913(forReplay);
+      SERIAL_ECHOLNPAIR_P(SP_K_STR, stepperK.get_pwm_thrs());
+    #endif
+
+    #if E0_HAS_STEALTHCHOP
+      say_M913(forReplay);
+      SERIAL_ECHOLNPAIR(" T0 E", stepperE0.get_pwm_thrs());
+    #endif
+    #if E1_HAS_STEALTHCHOP
+      say_M913(forReplay);
+      SERIAL_ECHOLNPAIR(" T1 E", stepperE1.get_pwm_thrs());
+    #endif
+    #if E2_HAS_STEALTHCHOP
+      say_M913(forReplay);
+      SERIAL_ECHOLNPAIR(" T2 E", stepperE2.get_pwm_thrs());
+    #endif
+    #if E3_HAS_STEALTHCHOP
+      say_M913(forReplay);
+      SERIAL_ECHOLNPAIR(" T3 E", stepperE3.get_pwm_thrs());
+    #endif
+    #if E4_HAS_STEALTHCHOP
+      say_M913(forReplay);
+      SERIAL_ECHOLNPAIR(" T4 E", stepperE4.get_pwm_thrs());
+    #endif
+    #if E5_HAS_STEALTHCHOP
+      say_M913(forReplay);
+      SERIAL_ECHOLNPAIR(" T5 E", stepperE5.get_pwm_thrs());
+    #endif
+    #if E6_HAS_STEALTHCHOP
+      say_M913(forReplay);
+      SERIAL_ECHOLNPAIR(" T6 E", stepperE6.get_pwm_thrs());
+    #endif
+    #if E7_HAS_STEALTHCHOP
+      say_M913(forReplay);
+      SERIAL_ECHOLNPAIR(" T7 E", stepperE7.get_pwm_thrs());
+    #endif
+    SERIAL_EOL();
+  }
+
 #endif // HYBRID_THRESHOLD
 
 /**
  * M914: Set StallGuard sensitivity.
  */
 #if USE_SENSORLESS
+
   void GcodeSuite::M914() {
 
     bool report = true;
@@ -412,6 +510,68 @@
       #endif
     }
   }
+
+  void GcodeSuite::M914_report(const bool forReplay/*=true*/) {
+    report_heading(forReplay, PSTR(STR_STALLGUARD_THRESHOLD));
+
+    auto say_M914 = [](const bool forReplay) {
+      report_echo_start(forReplay);
+      SERIAL_ECHOPGM("  M914");
+    };
+
+    #if X_SENSORLESS || Y_SENSORLESS || Z_SENSORLESS
+      say_M914(forReplay);
+      #if X_SENSORLESS
+        SERIAL_ECHOPAIR_P(SP_X_STR, stepperX.homing_threshold());
+      #endif
+      #if Y_SENSORLESS
+        SERIAL_ECHOPAIR_P(SP_Y_STR, stepperY.homing_threshold());
+      #endif
+      #if Z_SENSORLESS
+        SERIAL_ECHOPAIR_P(SP_Z_STR, stepperZ.homing_threshold());
+      #endif
+      SERIAL_EOL();
+    #endif
+
+    #if X2_SENSORLESS || Y2_SENSORLESS || Z2_SENSORLESS
+      say_M914(forReplay);
+      SERIAL_ECHOPGM(" I1");
+      #if X2_SENSORLESS
+        SERIAL_ECHOPAIR_P(SP_X_STR, stepperX2.homing_threshold());
+      #endif
+      #if Y2_SENSORLESS
+        SERIAL_ECHOPAIR_P(SP_Y_STR, stepperY2.homing_threshold());
+      #endif
+      #if Z2_SENSORLESS
+        SERIAL_ECHOPAIR_P(SP_Z_STR, stepperZ2.homing_threshold());
+      #endif
+      SERIAL_EOL();
+    #endif
+
+    #if Z3_SENSORLESS
+      say_M914(forReplay);
+      SERIAL_ECHOLNPAIR(" I2 Z", stepperZ3.homing_threshold());
+    #endif
+
+    #if Z4_SENSORLESS
+      say_M914(forReplay);
+      SERIAL_ECHOLNPAIR(" I3 Z", stepperZ4.homing_threshold());
+    #endif
+
+    #if I_SENSORLESS
+      say_M914(forReplay);
+      SERIAL_ECHOLNPAIR_P(SP_I_STR, stepperI.homing_threshold());
+    #endif
+    #if J_SENSORLESS
+      say_M914(forReplay);
+      SERIAL_ECHOLNPAIR_P(SP_J_STR, stepperJ.homing_threshold());
+    #endif
+    #if K_SENSORLESS
+      say_M914(forReplay);
+      SERIAL_ECHOLNPAIR_P(SP_K_STR, stepperK.homing_threshold());
+    #endif
+  }
+
 #endif // USE_SENSORLESS
 
 #endif // HAS_TRINAMIC_CONFIG

Marlin/src/gcode/gcode.cpp

@@ -102,6 +102,24 @@ uint8_t GcodeSuite::axis_relative = 0 LOGICAL_AXIS_GANG(
   xyz_pos_t GcodeSuite::coordinate_system[MAX_COORDINATE_SYSTEMS];
 #endif
 
+void GcodeSuite::report_echo_start(const bool forReplay) { if (!forReplay) SERIAL_ECHO_START(); }
+void GcodeSuite::report_heading(const bool forReplay, PGM_P const pstr, const bool eol/*=true*/) {
+  if (forReplay) return;
+  if (pstr) {
+    SERIAL_ECHO_START();
+    SERIAL_ECHOPGM("; ");
+    SERIAL_ECHOPGM_P(pstr);
+  }
+  if (eol) { SERIAL_CHAR(':'); SERIAL_EOL(); }
+}
+
+void GcodeSuite::say_units() {
+  SERIAL_ECHOLNPGM_P(
+    TERN_(INCH_MODE_SUPPORT, parser.linear_unit_factor != 1.0 ? PSTR(" (in)") :)
+    PSTR(" (mm)")
+  );
+}
+
 /**
  * Get the target extruder from the T parameter or the active_extruder
  * Return -1 if the T parameter is out of range
@@ -180,7 +198,7 @@ void GcodeSuite::get_destination_from_command() {
       recovery.save();
   #endif
 
-  if (parser.linearval('F') > 0)
+  if (parser.floatval('F') > 0)
     feedrate_mm_s = parser.value_feedrate();
 
   #if ENABLED(PRINTCOUNTER)

Marlin/src/gcode/gcode.h

@@ -379,6 +379,14 @@ public:
     return ELAPSED(ms, previous_move_ms + stepper_inactive_time);
   }
 
+  static void report_echo_start(const bool forReplay);
+  static void report_heading(const bool forReplay, PGM_P const pstr, const bool eol=true);
+  static inline void report_heading_etc(const bool forReplay, PGM_P const pstr, const bool eol=true) {
+    report_heading(forReplay, pstr, eol);
+    report_echo_start(forReplay);
+  }
+  static void say_units();
+
   static int8_t get_target_extruder_from_command();
   static int8_t get_target_e_stepper_from_command();
   static void get_destination_from_command();
@@ -434,6 +442,8 @@ public:
 
 private:
 
+  friend class MarlinSettings;
+
   #if ENABLED(MARLIN_DEV_MODE)
     static void D(const int16_t dcode);
   #endif
@@ -514,6 +524,7 @@ private:
 
   #if ENABLED(Z_STEPPER_AUTO_ALIGN)
     static void M422();
+    static void M422_report(const bool forReplay=true);
   #endif
 
   #if ENABLED(ASSISTED_TRAMMING)
@@ -658,6 +669,7 @@ private:
 
   static void M85();
   static void M92();
+  static void M92_report(const bool forReplay=true, const int8_t e=-1);
 
   #if ENABLED(M100_FREE_MEMORY_WATCHER)
     static void M100();
@@ -737,10 +749,12 @@ private:
 
   #if PREHEAT_COUNT
     static void M145();
+    static void M145_report(const bool forReplay=true);
   #endif
 
   #if ENABLED(TEMPERATURE_UNITS_SUPPORT)
     static void M149();
+    static void M149_report(const bool forReplay=true);
   #endif
 
   #if HAS_COLOR_LEDS
@@ -766,37 +780,51 @@ private:
     #endif
   #endif
 
+  #if DISABLED(NO_VOLUMETRICS)
     static void M200();
+    static void M200_report(const bool forReplay=true);
+  #endif
   static void M201();
+  static void M201_report(const bool forReplay=true);
 
   #if 0
     static void M202(); // Not used for Sprinter/grbl gen6
   #endif
 
   static void M203();
+  static void M203_report(const bool forReplay=true);
   static void M204();
+  static void M204_report(const bool forReplay=true);
   static void M205();
+  static void M205_report(const bool forReplay=true);
 
   #if HAS_M206_COMMAND
     static void M206();
+    static void M206_report(const bool forReplay=true);
   #endif
 
   #if ENABLED(FWRETRACT)
     static void M207();
+    static void M207_report(const bool forReplay=true);
     static void M208();
+    static void M208_report(const bool forReplay=true);
     #if ENABLED(FWRETRACT_AUTORETRACT)
       static void M209();
+      static void M209_report(const bool forReplay=true);
     #endif
   #endif
 
   static void M211();
+  static void M211_report(const bool forReplay=true);
 
   #if HAS_MULTI_EXTRUDER
     static void M217();
+    static void M217_report(const bool forReplay=true);
   #endif
 
   #if HAS_HOTEND_OFFSET
     static void M218();
+    static void M218_report(const bool forReplay=true);
   #endif
 
   static void M220();
@@ -815,10 +843,12 @@ private:
 
   #if HAS_LCD_CONTRAST
     static void M250();
+    static void M250_report(const bool forReplay=true);
   #endif
 
   #if HAS_LCD_BRIGHTNESS
     static void M256();
+    static void M256_report(const bool forReplay=true);
   #endif
 
   #if ENABLED(EXPERIMENTAL_I2CBUS)
@@ -830,6 +860,7 @@ private:
     static void M280();
     #if ENABLED(EDITABLE_SERVO_ANGLES)
       static void M281();
+      static void M281_report(const bool forReplay=true);
     #endif
   #endif
 
@@ -843,6 +874,7 @@ private:
 
   #if ENABLED(PIDTEMP)
     static void M301();
+    static void M301_report(const bool forReplay=true, const int8_t eindex=-1);
   #endif
 
   #if ENABLED(PREVENT_COLD_EXTRUSION)
@@ -855,6 +887,7 @@ private:
 
   #if ENABLED(PIDTEMPBED)
     static void M304();
+    static void M304_report(const bool forReplay=true);
   #endif
 
   #if HAS_USER_THERMISTORS
@@ -863,6 +896,7 @@ private:
 
   #if ENABLED(PIDTEMPCHAMBER)
     static void M309();
+    static void M309_report(const bool forReplay=true);
   #endif
 
   #if HAS_MICROSTEPS
@@ -911,19 +945,23 @@ private:
 
   #if HAS_FILAMENT_SENSOR
     static void M412();
+    static void M412_report(const bool forReplay=true);
   #endif
 
   #if HAS_MULTI_LANGUAGE
     static void M414();
+    static void M414_report(const bool forReplay=true);
   #endif
 
   #if HAS_LEVELING
     static void M420();
+    static void M420_report(const bool forReplay=true);
     static void M421();
   #endif
 
   #if ENABLED(BACKLASH_GCODE)
     static void M425();
+    static void M425_report(const bool forReplay=true);
   #endif
 
   #if HAS_M206_COMMAND
@@ -968,8 +1006,16 @@ private:
 
   #if HAS_ETHERNET
     static void M552();
+    static void M552_report();
     static void M553();
+    static void M553_report();
     static void M554();
+    static void M554_report();
+  #endif
+
+  #if HAS_STEALTHCHOP
+    static void M569();
+    static void M569_report(const bool forReplay=true);
   #endif
 
   #if ENABLED(BAUD_RATE_GCODE)
@@ -979,6 +1025,7 @@ private:
   #if ENABLED(ADVANCED_PAUSE_FEATURE)
     static void M600();
     static void M603();
+    static void M603_report(const bool forReplay=true);
   #endif
 
   #if HAS_DUPLICATION_MODE
@@ -987,10 +1034,12 @@ private:
 
   #if IS_KINEMATIC
     static void M665();
+    static void M665_report(const bool forReplay=true);
   #endif
 
-  #if ENABLED(DELTA) || HAS_EXTRA_ENDSTOPS
+  #if EITHER(DELTA, HAS_EXTRA_ENDSTOPS)
     static void M666();
+    static void M666_report(const bool forReplay=true);
   #endif
 
   #if ENABLED(DUET_SMART_EFFECTOR) && PIN_EXISTS(SMART_EFFECTOR_MOD)
@@ -1012,10 +1061,12 @@ private:
 
   #if HAS_BED_PROBE
     static void M851();
+    static void M851_report(const bool forReplay=true);
   #endif
 
   #if ENABLED(SKEW_CORRECTION_GCODE)
     static void M852();
+    static void M852_report(const bool forReplay=true);
   #endif
 
   #if ENABLED(I2C_POSITION_ENCODERS)
@@ -1038,23 +1089,24 @@ private:
 
   #if ENABLED(LIN_ADVANCE)
     static void M900();
+    static void M900_report(const bool forReplay=true);
   #endif
 
   #if HAS_TRINAMIC_CONFIG
     static void M122();
     static void M906();
-    #if HAS_STEALTHCHOP
+    static void M906_report(const bool forReplay=true);
-      static void M569();
-    #endif
     #if ENABLED(MONITOR_DRIVER_STATUS)
       static void M911();
       static void M912();
     #endif
     #if ENABLED(HYBRID_THRESHOLD)
       static void M913();
+      static void M913_report(const bool forReplay=true);
     #endif
     #if ENABLED(USE_SENSORLESS)
       static void M914();
+      static void M914_report(const bool forReplay=true);
     #endif
   #endif
 
@@ -1066,16 +1118,19 @@ private:
     static void M918();
   #endif
 
-  #if ANY(HAS_MOTOR_CURRENT_SPI, HAS_MOTOR_CURRENT_PWM, HAS_MOTOR_CURRENT_I2C, HAS_MOTOR_CURRENT_DAC)
+  #if HAS_MOTOR_CURRENT_SPI || HAS_MOTOR_CURRENT_PWM || HAS_MOTOR_CURRENT_I2C || HAS_MOTOR_CURRENT_DAC
     static void M907();
-    #if EITHER(HAS_MOTOR_CURRENT_SPI, HAS_MOTOR_CURRENT_DAC)
+    #if HAS_MOTOR_CURRENT_SPI || HAS_MOTOR_CURRENT_PWM
+      static void M907_report(const bool forReplay=true);
+    #endif
+  #endif
+  #if HAS_MOTOR_CURRENT_SPI || HAS_MOTOR_CURRENT_DAC
     static void M908();
+  #endif
   #if HAS_MOTOR_CURRENT_DAC
     static void M909();
     static void M910();
   #endif
-    #endif
-  #endif
 
   #if ENABLED(SDSUPPORT)
     static void M928();
@@ -1102,6 +1157,7 @@ private:
 
   #if ENABLED(POWER_LOSS_RECOVERY)
     static void M413();
+    static void M413_report(const bool forReplay=true);
     static void M1000();
   #endif
 
@@ -1123,6 +1179,7 @@ private:
 
   #if ENABLED(CONTROLLER_FAN_EDITABLE)
     static void M710();
+    static void M710_report(const bool forReplay=true);
   #endif
 
   static void T(const int8_t tool_index);

Marlin/src/gcode/geometry/M206_M428.cpp

@@ -30,19 +30,6 @@
 #include "../../libs/buzzer.h"
 #include "../../MarlinCore.h"
 
-void M206_report() {
-  SERIAL_ECHOLNPAIR_P(
-    LIST_N(DOUBLE(LINEAR_AXES),
-      PSTR("M206 X"), home_offset.x,
-      SP_Y_STR, home_offset.y,
-      SP_Z_STR, home_offset.z,
-      SP_I_STR, home_offset.i,
-      SP_J_STR, home_offset.j,
-      SP_K_STR, home_offset.k,
-    )
-  );
-}
-
 /**
  * M206: Set Additional Homing Offset (X Y Z). SCARA aliases T=X, P=Y
  *
@@ -51,6 +38,8 @@ void M206_report() {
  * ***              In the 2.0 release, it will simply be disabled by default.
  */
 void GcodeSuite::M206() {
+  if (!parser.seen_any()) return M206_report();
+
   LOOP_LINEAR_AXES(i)
     if (parser.seen(AXIS_CHAR(i)))
       set_home_offset((AxisEnum)i, parser.value_linear_units());
@@ -60,12 +49,27 @@ void GcodeSuite::M206() {
     if (parser.seen('P')) set_home_offset(B_AXIS, parser.value_float()); // Psi
   #endif
 
-  if (!parser.seen(LINEAR_AXIS_GANG("X", "Y", "Z", "I", "J", "K")))
-    M206_report();
-  else
   report_current_position();
 }
 
+void GcodeSuite::M206_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(STR_HOME_OFFSET));
+  SERIAL_ECHOLNPAIR_P(
+    #if IS_CARTESIAN
+      LIST_N(DOUBLE(LINEAR_AXES),
+        PSTR("  M206 X"), LINEAR_UNIT(home_offset.x),
+        SP_Y_STR, LINEAR_UNIT(home_offset.y),
+        SP_Z_STR, LINEAR_UNIT(home_offset.z),
+        SP_I_STR, LINEAR_UNIT(home_offset.i),
+        SP_J_STR, LINEAR_UNIT(home_offset.j),
+        SP_K_STR, LINEAR_UNIT(home_offset.k)
+      )
+    #else
+      PSTR("  M206 Z"), LINEAR_UNIT(home_offset.z)
+    #endif
+  );
+}
+
 /**
  * M428: Set home_offset based on the distance between the
  *       current_position and the nearest "reference point."

Marlin/src/gcode/lcd/M145.cpp

@@ -60,4 +60,23 @@ void GcodeSuite::M145() {
   }
 }
 
+void GcodeSuite::M145_report(const bool forReplay/*=true*/) {
+  report_heading(forReplay, PSTR(STR_MATERIAL_HEATUP));
+  LOOP_L_N(i, PREHEAT_COUNT) {
+    report_echo_start(forReplay);
+    SERIAL_ECHOLNPAIR_P(
+      PSTR("  M145 S"), i
+      #if HAS_HOTEND
+        , PSTR(" H"), parser.to_temp_units(ui.material_preset[i].hotend_temp)
+      #endif
+      #if HAS_HEATED_BED
+        , SP_B_STR, parser.to_temp_units(ui.material_preset[i].bed_temp)
+      #endif
+      #if HAS_FAN
+        , PSTR(" F"), ui.material_preset[i].fan_speed
+      #endif
+    );
+  }
+}
+
 #endif // PREHEAT_COUNT

Marlin/src/gcode/lcd/M250.cpp

@@ -19,7 +19,6 @@
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  *
  */
-
 #include "../../inc/MarlinConfig.h"
 
 #if HAS_LCD_CONTRAST
@@ -31,8 +30,15 @@
  * M250: Read and optionally set the LCD contrast
  */
 void GcodeSuite::M250() {
-  if (parser.seen('C')) ui.set_contrast(parser.value_int());
+  if (parser.seenval('C'))
-  SERIAL_ECHOLNPAIR("LCD Contrast: ", ui.contrast);
+    ui.set_contrast(parser.value_int());
+  else
+    M250_report();
+}
+
+void GcodeSuite::M250_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(STR_LCD_CONTRAST));
+  SERIAL_ECHOLNPAIR("  M250 C", ui.contrast);
 }
 
 #endif // HAS_LCD_CONTRAST

Marlin/src/gcode/lcd/M256.cpp

@@ -30,8 +30,15 @@
  * M256: Set the LCD brightness
  */
 void GcodeSuite::M256() {
-  if (parser.seenval('B')) ui.set_brightness(parser.value_int());
+  if (parser.seenval('B'))
-  SERIAL_ECHOLNPAIR("LCD Brightness: ", ui.brightness);
+    ui.set_brightness(parser.value_int());
+  else
+    M256_report();
+}
+
+void GcodeSuite::M256_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(STR_LCD_BRIGHTNESS));
+  SERIAL_ECHOLNPAIR("  M256 B", ui.brightness);
 }
 
 #endif // HAS_LCD_BRIGHTNESS

Marlin/src/gcode/lcd/M414.cpp

@@ -38,7 +38,14 @@ void GcodeSuite::M414() {
 
   if (parser.seenval('S'))
     ui.set_language(parser.value_byte());
+  else
+    M414_report();
 
 }
 
+void GcodeSuite::M414_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(STR_UI_LANGUAGE));
+  SERIAL_ECHOLNPAIR("  M414 S", ui.language);
+}
+
 #endif // HAS_MULTI_LANGUAGE

Marlin/src/gcode/parser.h

@@ -225,9 +225,7 @@ public:
   #endif // !FASTER_GCODE_PARSER
 
   // Seen any axis parameter
-  static inline bool seen_axis() {
+  static inline bool seen_axis() { return seen(LOGICAL_AXES_STRING); }
-    return seen(LOGICAL_AXIS_GANG("E", "X", "Y", "Z", AXIS4_STR, AXIS5_STR, AXIS6_STR));
-  }
 
   #if ENABLED(GCODE_QUOTED_STRINGS)
     static char* unescape_string(char* &src);
@@ -350,14 +348,15 @@ public:
 
     static inline void set_input_temp_units(const TempUnit units) { input_temp_units = units; }
 
-    #if HAS_LCD_MENU && DISABLED(DISABLE_M503)
-
     static inline char temp_units_code() {
       return input_temp_units == TEMPUNIT_K ? 'K' : input_temp_units == TEMPUNIT_F ? 'F' : 'C';
     }
     static inline PGM_P temp_units_name() {
       return input_temp_units == TEMPUNIT_K ? PSTR("Kelvin") : input_temp_units == TEMPUNIT_F ? PSTR("Fahrenheit") : PSTR("Celsius");
     }
+
+    #if HAS_LCD_MENU && DISABLED(DISABLE_M503)
+
       static inline float to_temp_units(celsius_t c) {
         switch (input_temp_units) {
           default:

Marlin/src/gcode/probe/M851.cpp

@@ -32,19 +32,8 @@
  * M851: Set the nozzle-to-probe offsets in current units
  */
 void GcodeSuite::M851() {
-
+  // No parameters? Show current state.
-  // Show usage with no parameters
+  if (!parser.seen("XYZ")) return M851_report();
-  if (!parser.seen("XYZ")) {
-    SERIAL_ECHOLNPAIR_P(
-      #if HAS_PROBE_XY_OFFSET
-        PSTR(STR_PROBE_OFFSET " X"), probe.offset_xy.x, SP_Y_STR, probe.offset_xy.y, SP_Z_STR
-      #else
-        PSTR(STR_PROBE_OFFSET " X0 Y0 Z")
-      #endif
-      , probe.offset.z
-    );
-    return;
-  }
 
   // Start with current offsets and modify
   xyz_pos_t offs = probe.offset;
@@ -94,4 +83,20 @@ void GcodeSuite::M851() {
   if (ok) probe.offset = offs;
 }
 
+void GcodeSuite::M851_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(STR_Z_PROBE_OFFSET));
+  SERIAL_ECHOPAIR_P(
+    #if HAS_PROBE_XY_OFFSET
+      PSTR("  M851 X"), LINEAR_UNIT(probe.offset_xy.x),
+              SP_Y_STR, LINEAR_UNIT(probe.offset_xy.y),
+              SP_Z_STR
+    #else
+      PSTR("  M851 X0 Y0 Z")
+    #endif
+    , LINEAR_UNIT(probe.offset.z)
+    , " ;"
+  );
+  say_units();
+}
+
 #endif // HAS_BED_PROBE

Marlin/src/gcode/units/M149.cpp

@@ -33,6 +33,13 @@ void GcodeSuite::M149() {
        if (parser.seenval('C')) parser.set_input_temp_units(TEMPUNIT_C);
   else if (parser.seenval('K')) parser.set_input_temp_units(TEMPUNIT_K);
   else if (parser.seenval('F')) parser.set_input_temp_units(TEMPUNIT_F);
+  else M149_report();
+}
+
+void GcodeSuite::M149_report(const bool forReplay/*=true*/) {
+  report_heading_etc(forReplay, PSTR(STR_TEMPERATURE_UNITS));
+  SERIAL_ECHOPAIR("  M149 ", AS_CHAR(parser.temp_units_code()), " ; Units in ");
+  SERIAL_ECHOLNPGM_P(parser.temp_units_name());
 }
 
 #endif // TEMPERATURE_UNITS_SUPPORT

Marlin/src/module/endstops.cpp

@@ -578,13 +578,13 @@ void _O2 Endstops::report_states() {
         default: continue;
         REPEAT_1(NUM_RUNOUT_SENSORS, _CASE_RUNOUT)
       }
-      SERIAL_ECHOPGM(STR_FILAMENT_RUNOUT_SENSOR);
+      SERIAL_ECHOPGM(STR_FILAMENT);
       if (i > 1) SERIAL_CHAR(' ', '0' + i);
       print_es_state(extDigitalRead(pin) != state);
     }
     #undef _CASE_RUNOUT
   #elif HAS_FILAMENT_SENSOR
-    print_es_state(READ(FIL_RUNOUT1_PIN) != FIL_RUNOUT1_STATE, PSTR(STR_FILAMENT_RUNOUT_SENSOR));
+    print_es_state(READ(FIL_RUNOUT1_PIN) != FIL_RUNOUT1_STATE, PSTR(STR_FILAMENT));
   #endif
 
   TERN_(BLTOUCH, bltouch._reset_SW_mode());

Marlin/src/module/temperature.cpp

@@ -59,6 +59,10 @@
   #include "../feature/host_actions.h"
 #endif
 
+#if HAS_TEMP_SENSOR
+  #include "../gcode/gcode.h"
+#endif
+
 // MAX TC related macros
 #define TEMP_SENSOR_IS_MAX(n, M) (ENABLED(TEMP_SENSOR_##n##_IS_MAX##M) || (ENABLED(TEMP_SENSOR_REDUNDANT_IS_MAX##M) && REDUNDANT_TEMP_MATCH(SOURCE, E##n)))
 #define TEMP_SENSOR_IS_ANY_MAX_TC(n) (ENABLED(TEMP_SENSOR_##n##_IS_MAX_TC) || (ENABLED(TEMP_SENSOR_REDUNDANT_IS_MAX_TC) && REDUNDANT_TEMP_MATCH(SOURCE, E##n)))
@@ -1722,13 +1726,9 @@ void Temperature::manage_heater() {
     COPY(user_thermistor, default_user_thermistor);
   }
 
-  void Temperature::log_user_thermistor(const uint8_t t_index, const bool eprom/*=false*/) {
+  void Temperature::M305_report(const uint8_t t_index, const bool forReplay/*=true*/) {
-
+    gcode.report_heading_etc(forReplay, PSTR(STR_USER_THERMISTORS));
-    if (eprom)
+    SERIAL_ECHOPAIR("  M305 P", AS_DIGIT(t_index));
-      SERIAL_ECHOPGM("  M305 ");
-    else
-      SERIAL_ECHO_START();
-    SERIAL_CHAR('P', '0' + t_index);
 
     const user_thermistor_t &t = user_thermistor[t_index];
 
@@ -3490,9 +3490,6 @@ void Temperature::isr() {
 }
 
 #if HAS_TEMP_SENSOR
-
-  #include "../gcode/gcode.h"
-
   /**
    * Print a single heater state in the form:
    *        Bed: " B:nnn.nn /nnn.nn"

Marlin/src/module/temperature.h

@@ -527,7 +527,7 @@ class Temperature {
 
     #if HAS_USER_THERMISTORS
       static user_thermistor_t user_thermistor[USER_THERMISTORS];
-      static void log_user_thermistor(const uint8_t t_index, const bool eprom=false);
+      static void M305_report(const uint8_t t_index, const bool forReplay=true);
       static void reset_user_thermistors();
       static celsius_float_t user_thermistor_to_deg_c(const uint8_t t_index, const int16_t raw);
       static inline bool set_pull_up_res(int8_t t_index, float value) {