Merge pull request #6348 from thinkyhead/rc_tmc2130_clean_clean

TMC2130 update. Fixes, tune-ups, new features

.travis.yml

@@ -409,7 +409,7 @@ script:
   - restore_configs
   - opt_enable_adv HAVE_TMC2130 X_IS_TMC2130 Y_IS_TMC2130 Z_IS_TMC2130
   - build_marlin
-  - opt_enable_adv AUTOMATIC_CURRENT_CONTROL STEALTHCHOP
+  - opt_enable_adv AUTOMATIC_CURRENT_CONTROL STEALTHCHOP HYBRID_THRESHOLD SENSORLESS_HOMING
   - build_marlin
   #
   # tvrrug Config need to check board type for sanguino atmega644p

Marlin/Configuration.h

@@ -1522,7 +1522,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/Configuration_adv.h

@@ -882,18 +882,6 @@
 //#define HAVE_TMC2130
 
 #if ENABLED(HAVE_TMC2130)
-  #define STEALTHCHOP
-
-  /**
-   * Let Marlin automatically control stepper current.
-   * This is still an experimental feature.
-   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
-   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
-   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
-   */
-  //#define AUTOMATIC_CURRENT_CONTROL
-  #define CURRENT_STEP          50  // [mA]
-  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -916,45 +904,104 @@
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
   #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_MAX_CURRENT     1000  // rms current in mA
-  #define X_MICROSTEPS        16  // FULLSTEP..256
-  #define X_CHIP_SELECT       40  // Pin
+  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_MAX_CURRENT     1000
+  #define Y_CURRENT         1000
   #define Y_MICROSTEPS        16
-  #define Y_CHIP_SELECT       42
 
-  #define Z_MAX_CURRENT     1000
+  #define Z_CURRENT         1000
   #define Z_MICROSTEPS        16
-  #define Z_CHIP_SELECT       65
 
-  //#define X2_MAX_CURRENT  1000
+  //#define X2_CURRENT      1000
   //#define X2_MICROSTEPS     16
-  //#define X2_CHIP_SELECT    -1
 
-  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_CURRENT      1000
   //#define Y2_MICROSTEPS     16
-  //#define Y2_CHIP_SELECT    -1
 
-  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_CURRENT      1000
   //#define Z2_MICROSTEPS     16
-  //#define Z2_CHIP_SELECT    -1
 
-  //#define E0_MAX_CURRENT  1000
+  //#define E0_CURRENT      1000
   //#define E0_MICROSTEPS     16
-  //#define E0_CHIP_SELECT    -1
 
-  //#define E1_MAX_CURRENT  1000
+  //#define E1_CURRENT      1000
   //#define E1_MICROSTEPS     16
-  //#define E1_CHIP_SELECT    -1
 
-  //#define E2_MAX_CURRENT  1000
+  //#define E2_CURRENT      1000
   //#define E2_MICROSTEPS     16
-  //#define E2_CHIP_SELECT    -1
 
-  //#define E3_MAX_CURRENT  1000
+  //#define E3_CURRENT      1000
   //#define E3_MICROSTEPS     16
-  //#define E3_CHIP_SELECT    -1
+
+  //#define E4_CURRENT      1000
+  //#define E4_MICROSTEPS     16
+
+  /**
+   * Use Trinamic's ultra quiet stepping mode.
+   * When disabled, Marlin will use spreadCycle stepping mode.
+   */
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_CURRENT but will not increase over AUTO_ADJUST_MAX
+   * Relevant g-codes:
+   * M906 - Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given.
+   * M906 S1 - Start adjusting current
+   * M906 S0 - Stop adjusting current
+   * M911 - Report stepper driver overtemperature pre-warn condition.
+   * M912 - Clear stepper driver overtemperature pre-warn condition flag.
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+
+  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+    #define CURRENT_STEP          50  // [mA]
+    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+    #define REPORT_CURRENT_CHANGE
+  #endif
+
+  /**
+   * The driver will switch to spreadCycle when stepper speed is over HYBRID_THRESHOLD.
+   * This mode allows for faster movements at the expense of higher noise levels.
+   * STEALTHCHOP needs to be enabled.
+   * M913 X/Y/Z/E to live tune the setting
+   */
+  //#define HYBRID_THRESHOLD
+
+  #define X_HYBRID_THRESHOLD     100  // [mm/s]
+  #define X2_HYBRID_THRESHOLD    100
+  #define Y_HYBRID_THRESHOLD     100
+  #define Y2_HYBRID_THRESHOLD    100
+  #define Z_HYBRID_THRESHOLD       4
+  #define Z2_HYBRID_THRESHOLD      4
+  #define E0_HYBRID_THRESHOLD     30
+  #define E1_HYBRID_THRESHOLD     30
+  #define E2_HYBRID_THRESHOLD     30
+  #define E3_HYBRID_THRESHOLD     30
+  #define E4_HYBRID_THRESHOLD     30
+
+  /**
+   * Use stallGuard2 to sense an obstacle and trigger an endstop.
+   * You need to place a wire from the driver's DIAG1 pin to the X/Y endstop pin.
+   * If used along with STEALTHCHOP, the movement will be louder when homing. This is normal.
+   *
+   * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
+   * Higher values make the system LESS sensitive.
+   * Lower value make the system MORE sensitive.
+   * Too low values can lead to false positives, while too high values will collide the axis without triggering.
+   * It is advised to set X/Y_HOME_BUMP_MM to 0.
+   * M914 X/Y to live tune the setting
+   */
+  //#define SENSORLESS_HOMING
+
+  #if ENABLED(SENSORLESS_HOMING)
+    #define X_HOMING_SENSITIVITY  19
+    #define Y_HOMING_SENSITIVITY  19
+  #endif
 
   /**
    * You can set your own advanced settings by filling in predefined functions.

Marlin/Marlin_main.cpp

@@ -198,6 +198,8 @@
  * M910 - Commit digipot/DAC value to external EEPROM via I2C. (Requires DAC_STEPPER_CURRENT)
  * M911 - Report stepper driver overtemperature pre-warn condition. (Requires HAVE_TMC2130)
  * M912 - Clear stepper driver overtemperature pre-warn condition flag. (Requires HAVE_TMC2130)
+ * M913 - Set HYBRID_THRESHOLD speed. (Requires HYBRID_THRESHOLD)
+ * M914 - Set SENSORLESS_HOMING sensitivity. (Requires SENSORLESS_HOMING)
  * M350 - Set microstepping mode. (Requires digital microstepping pins.)
  * M351 - Toggle MS1 MS2 pins directly. (Requires digital microstepping pins.)
  *
@@ -647,6 +649,10 @@ static bool send_ok[BUFSIZE];
   bool chdkActive = false;
 #endif
 
+#ifdef AUTOMATIC_CURRENT_CONTROL
+  bool auto_current_control = 0;
+#endif
+
 #if ENABLED(PID_EXTRUSION_SCALING)
   int lpq_len = 20;
 #endif
@@ -2757,6 +2763,28 @@ static void do_homing_move(const AxisEnum axis, float distance, float fr_mm_s=0.
 }
 
 /**
+ * TMC2130 specific sensorless homing using stallGuard2.
+ * stallGuard2 only works when in spreadCycle mode.
+ * spreadCycle and stealthChop are mutually exclusive.
+ */
+#if ENABLED(SENSORLESS_HOMING)
+  void tmc2130_sensorless_homing(TMC2130Stepper &st, bool enable=true) {
+    #if ENABLED(STEALTHCHOP)
+      if (enable) {
+        st.coolstep_min_speed(1024UL * 1024UL - 1UL);
+        st.stealthChop(0);
+      }
+      else {
+        st.coolstep_min_speed(0);
+        st.stealthChop(1);
+      }
+    #endif
+
+    st.diag1_stall(enable ? 1 : 0);
+  }
+#endif
+
+/**
  * Home an individual "raw axis" to its endstop.
  * This applies to XYZ on Cartesian and Core robots, and
  * to the individual ABC steppers on DELTA and SCARA.
@@ -2804,6 +2832,16 @@ static void homeaxis(const AxisEnum axis) {
     if (axis == Z_AXIS) stepper.set_homing_flag(true);
   #endif
 
+  // Disable stealthChop if used. Enable diag1 pin on driver.
+  #if ENABLED(SENSORLESS_HOMING)
+    #if ENABLED(X_IS_TMC2130)
+      if (axis == X_AXIS) tmc2130_sensorless_homing(stepperX);
+    #endif
+    #if ENABLED(Y_IS_TMC2130)
+      if (axis == Y_AXIS) tmc2130_sensorless_homing(stepperY);
+    #endif
+  #endif
+
   // Fast move towards endstop until triggered
   #if ENABLED(DEBUG_LEVELING_FEATURE)
     if (DEBUGGING(LEVELING)) SERIAL_ECHOLNPGM("Home 1 Fast:");
@@ -2888,6 +2926,16 @@ static void homeaxis(const AxisEnum axis) {
 
   #endif
 
+  // Re-enable stealthChop if used. Disable diag1 pin on driver.
+  #if ENABLED(SENSORLESS_HOMING)
+    #if ENABLED(X_IS_TMC2130)
+      if (axis == X_AXIS) tmc2130_sensorless_homing(stepperX, false);
+    #endif
+    #if ENABLED(Y_IS_TMC2130)
+      if (axis == Y_AXIS) tmc2130_sensorless_homing(stepperY, false);
+    #endif
+  #endif
+
   // Put away the Z probe
   #if HOMING_Z_WITH_PROBE
     if (axis == Z_AXIS && STOW_PROBE()) return;
@@ -6902,6 +6950,11 @@ inline void gcode_M140() {
       OUT_WRITE(SUICIDE_PIN, HIGH);
     #endif
 
+    #if ENABLED(HAVE_TMC2130)
+      delay(100);
+      tmc2130_init(); // Settings only stick when the driver has power
+    #endif
+
     #if ENABLED(ULTIPANEL)
       powersupply = true;
       LCD_MESSAGEPGM(WELCOME_MSG);
@@ -8770,22 +8823,21 @@ inline void gcode_M503() {
 
 #if ENABLED(HAVE_TMC2130)
 
-  static void tmc2130_print_current(const int mA, const char name) {
+  static void tmc2130_get_current(TMC2130Stepper &st, const char name) {
     SERIAL_CHAR(name);
     SERIAL_ECHOPGM(" axis driver current: ");
-    SERIAL_ECHOLN(mA);
+    SERIAL_ECHOLN(st.getCurrent());
   }
-  static void tmc2130_set_current(const int mA, TMC2130Stepper &st, const char name) {
-    tmc2130_print_current(mA, name);
-    st.setCurrent(mA, 0.11, 0.5);
-  }
-  static void tmc2130_get_current(TMC2130Stepper &st, const char name) {
-    tmc2130_print_current(st.getCurrent(), name);
+  static void tmc2130_set_current(TMC2130Stepper &st, const char name, const int mA) {
+    st.setCurrent(mA, R_SENSE, HOLD_MULTIPLIER);
+    tmc2130_get_current(st, name);
   }
+
   static void tmc2130_report_otpw(TMC2130Stepper &st, const char name) {
     SERIAL_CHAR(name);
     SERIAL_ECHOPGM(" axis temperature prewarn triggered: ");
     serialprintPGM(st.getOTPW() ? PSTR("true") : PSTR("false"));
+    SERIAL_EOL;
   }
   static void tmc2130_clear_otpw(TMC2130Stepper &st, const char name) {
     st.clear_otpw();
@@ -8793,10 +8845,32 @@ inline void gcode_M503() {
     SERIAL_ECHOLNPGM(" prewarn flag cleared");
   }
 
+  static void tmc2130_get_pwmthrs(TMC2130Stepper &st, const char name, const uint16_t spmm) {
+    SERIAL_CHAR(name);
+    SERIAL_ECHOPGM(" stealthChop max speed set to ");
+    SERIAL_ECHOLN(12650000UL * st.microsteps() / (256 * st.stealth_max_speed() * spmm));
+  }
+  static void tmc2130_set_pwmthrs(TMC2130Stepper &st, const char name, const int32_t thrs, const uint32_t spmm) {
+    st.stealth_max_speed(12650000UL * st.microsteps() / (256 * thrs * spmm));
+    tmc2130_get_pwmthrs(st, name, spmm);
+  }
+
+  static void tmc2130_get_sgt(TMC2130Stepper &st, const char name) {
+    SERIAL_CHAR(name);
+    SERIAL_ECHOPGM(" driver homing sensitivity set to ");
+    SERIAL_ECHOLN(st.sgt());
+  }
+  static void tmc2130_set_sgt(TMC2130Stepper &st, const char name, const int8_t sgt_val) {
+    st.sgt(sgt_val);
+    tmc2130_get_sgt(st, name);
+  }
+
   /**
    * M906: Set motor current in milliamps using axis codes X, Y, Z, E
-   *
    * Report driver currents when no axis specified
+   *
+   * S1: Enable automatic current control
+   * S0: Disable
    */
   inline void gcode_M906() {
     uint16_t values[XYZE];
@@ -8804,21 +8878,25 @@ inline void gcode_M503() {
       values[i] = code_seen(axis_codes[i]) ? code_value_int() : 0;
 
     #if ENABLED(X_IS_TMC2130)
-      if (values[X_AXIS]) tmc2130_set_current(values[X_AXIS], stepperX, 'X');
+      if (values[X_AXIS]) tmc2130_set_current(stepperX, 'X', values[X_AXIS]);
       else tmc2130_get_current(stepperX, 'X');
     #endif
     #if ENABLED(Y_IS_TMC2130)
-      if (values[Y_AXIS]) tmc2130_set_current(values[Y_AXIS], stepperY, 'Y');
+      if (values[Y_AXIS]) tmc2130_set_current(stepperY, 'Y', values[Y_AXIS]);
       else tmc2130_get_current(stepperY, 'Y');
     #endif
     #if ENABLED(Z_IS_TMC2130)
-      if (values[Z_AXIS]) tmc2130_set_current(values[Z_AXIS], stepperZ, 'Z');
+      if (values[Z_AXIS]) tmc2130_set_current(stepperZ, 'Z', values[Z_AXIS]);
       else tmc2130_get_current(stepperZ, 'Z');
     #endif
     #if ENABLED(E0_IS_TMC2130)
-      if (values[E_AXIS]) tmc2130_set_current(values[E_AXIS], stepperE0, 'E');
+      if (values[E_AXIS]) tmc2130_set_current(stepperE0, 'E', values[E_AXIS]);
       else tmc2130_get_current(stepperE0, 'E');
     #endif
+
+    #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+      if (code_seen('S')) auto_current_control = code_value_bool();
+    #endif
   }
 
   /**
@@ -8826,17 +8904,19 @@ inline void gcode_M503() {
    * The flag is held by the library and persist until manually cleared by M912
    */
   inline void gcode_M911() {
+    const bool reportX = code_seen('X'), reportY = code_seen('Y'), reportZ = code_seen('Z'), reportE = code_seen('E'),
+             reportAll = (!reportX && !reportY && !reportZ && !reportE) || (reportX && reportY && reportZ && reportE);
     #if ENABLED(X_IS_TMC2130)
-      tmc2130_report_otpw(stepperX, 'X');
+      if (reportX || reportAll) tmc2130_report_otpw(stepperX, 'X');
     #endif
     #if ENABLED(Y_IS_TMC2130)
-      tmc2130_report_otpw(stepperY, 'Y');
+      if (reportY || reportAll) tmc2130_report_otpw(stepperY, 'Y');
     #endif
     #if ENABLED(Z_IS_TMC2130)
-      tmc2130_report_otpw(stepperZ, 'Z');
+      if (reportZ || reportAll) tmc2130_report_otpw(stepperZ, 'Z');
     #endif
     #if ENABLED(E0_IS_TMC2130)
-      tmc2130_report_otpw(stepperE0, 'E');
+      if (reportE || reportAll) tmc2130_report_otpw(stepperE0, 'E');
     #endif
   }
 
@@ -8844,20 +8924,66 @@ inline void gcode_M503() {
    * M912: Clear TMC2130 stepper driver overtemperature pre-warn flag held by the library
    */
   inline void gcode_M912() {
+    const bool clearX = code_seen('X'), clearY = code_seen('Y'), clearZ = code_seen('Z'), clearE = code_seen('E'),
+             clearAll = (!clearX && !clearY && !clearZ && !clearE) || (clearX && clearY && clearZ && clearE);
     #if ENABLED(X_IS_TMC2130)
-      if (code_seen('X')) tmc2130_clear_otpw(stepperX, 'X');
+      if (clearX || clearAll) tmc2130_clear_otpw(stepperX, 'X');
     #endif
     #if ENABLED(Y_IS_TMC2130)
-      if (code_seen('Y')) tmc2130_clear_otpw(stepperY, 'Y');
+      if (clearY || clearAll) tmc2130_clear_otpw(stepperY, 'Y');
     #endif
     #if ENABLED(Z_IS_TMC2130)
-      if (code_seen('Z')) tmc2130_clear_otpw(stepperZ, 'Z');
+      if (clearZ || clearAll) tmc2130_clear_otpw(stepperZ, 'Z');
     #endif
     #if ENABLED(E0_IS_TMC2130)
-      if (code_seen('E')) tmc2130_clear_otpw(stepperE0, 'E');
+      if (clearE || clearAll) tmc2130_clear_otpw(stepperE0, 'E');
     #endif
   }
 
+  /**
+   * M913: Set HYBRID_THRESHOLD speed.
+   */
+  #if ENABLED(HYBRID_THRESHOLD)
+    inline void gcode_M913() {
+      uint16_t values[XYZE];
+      LOOP_XYZE(i)
+        values[i] = code_seen(axis_codes[i]) ? code_value_int() : 0;
+
+      #if ENABLED(X_IS_TMC2130)
+        if (values[X_AXIS]) tmc2130_set_pwmthrs(stepperX, 'X', values[X_AXIS], planner.axis_steps_per_mm[X_AXIS]);
+        else tmc2130_get_pwmthrs(stepperX, 'X', planner.axis_steps_per_mm[X_AXIS]);
+      #endif
+      #if ENABLED(Y_IS_TMC2130)
+        if (values[Y_AXIS]) tmc2130_set_pwmthrs(stepperY, 'Y', values[Y_AXIS], planner.axis_steps_per_mm[Y_AXIS]);
+        else tmc2130_get_pwmthrs(stepperY, 'Y', planner.axis_steps_per_mm[Y_AXIS]);
+      #endif
+      #if ENABLED(Z_IS_TMC2130)
+        if (values[Z_AXIS]) tmc2130_set_pwmthrs(stepperZ, 'Z', values[Z_AXIS], planner.axis_steps_per_mm[Z_AXIS]);
+        else tmc2130_get_pwmthrs(stepperZ, 'Z', planner.axis_steps_per_mm[Z_AXIS]);
+      #endif
+      #if ENABLED(E0_IS_TMC2130)
+        if (values[E_AXIS]) tmc2130_set_pwmthrs(stepperE0, 'E', values[E_AXIS], planner.axis_steps_per_mm[E_AXIS]);
+        else tmc2130_get_pwmthrs(stepperE0, 'E', planner.axis_steps_per_mm[E_AXIS]);
+      #endif
+    }
+  #endif // HYBRID_THRESHOLD
+
+  /**
+   * M914: Set SENSORLESS_HOMING sensitivity.
+   */
+  #if ENABLED(SENSORLESS_HOMING)
+    inline void gcode_M914() {
+      #if ENABLED(X_IS_TMC2130)
+        if (code_seen(axis_codes[X_AXIS])) tmc2130_set_sgt(stepperX, 'X', code_value_int());
+        else tmc2130_get_sgt(stepperX, 'X');
+      #endif
+      #if ENABLED(Y_IS_TMC2130)
+        if (code_seen(axis_codes[Y_AXIS])) tmc2130_set_sgt(stepperY, 'Y', code_value_int());
+        else tmc2130_get_sgt(stepperY, 'Y');
+      #endif
+    }
+  #endif // SENSORLESS_HOMING
+
 #endif // HAVE_TMC2130
 
 /**
@@ -8865,10 +8991,9 @@ inline void gcode_M503() {
  */
 inline void gcode_M907() {
   #if HAS_DIGIPOTSS
-    LOOP_XYZE(i)
-    if (code_seen(axis_codes[i])) stepper.digipot_current(i, code_value_int());
+    LOOP_XYZE(i) if (code_seen(axis_codes[i])) stepper.digipot_current(i, code_value_int());
     if (code_seen('B')) stepper.digipot_current(4, code_value_int());
-    if (code_seen('S')) for (int i = 0; i <= 4; i++) stepper.digipot_current(i, code_value_int());
+    if (code_seen('S')) for (uint8_t i = 0; i <= 4; i++) stepper.digipot_current(i, code_value_int());
   #elif HAS_MOTOR_CURRENT_PWM
     #if PIN_EXISTS(MOTOR_CURRENT_PWM_XY)
       if (code_seen('X')) stepper.digipot_current(0, code_value_int());
@@ -8884,11 +9009,11 @@ inline void gcode_M907() {
     // this one uses actual amps in floating point
     LOOP_XYZE(i) if (code_seen(axis_codes[i])) digipot_i2c_set_current(i, code_value_float());
     // for each additional extruder (named B,C,D,E..., channels 4,5,6,7...)
-    for (int i = NUM_AXIS; i < DIGIPOT_I2C_NUM_CHANNELS; i++) if (code_seen('B' + i - (NUM_AXIS))) digipot_i2c_set_current(i, code_value_float());
+    for (uint8_t i = NUM_AXIS; i < DIGIPOT_I2C_NUM_CHANNELS; i++) if (code_seen('B' + i - (NUM_AXIS))) digipot_i2c_set_current(i, code_value_float());
   #endif
   #if ENABLED(DAC_STEPPER_CURRENT)
     if (code_seen('S')) {
-      float dac_percent = code_value_float();
+      const float dac_percent = code_value_float();
       for (uint8_t i = 0; i <= 4; i++) dac_current_percent(i, dac_percent);
     }
     LOOP_XYZE(i) if (code_seen(axis_codes[i])) dac_current_percent(i, code_value_float());
@@ -10165,6 +10290,18 @@ void process_next_command() {
         case 912: // M911: Clear TMC2130 prewarn triggered flags
           gcode_M912();
           break;
+
+        #if ENABLED(HYBRID_THRESHOLD)
+          case 913: // M913: Set HYBRID_THRESHOLD speed.
+            gcode_M913();
+            break;
+        #endif
+
+        #if ENABLED(SENSORLESS_HOMING)
+          case 914: // M914: Set SENSORLESS_HOMING sensitivity.
+            gcode_M914();
+            break;
+        #endif
       #endif
 
       #if HAS_MICROSTEPS
@@ -11390,23 +11527,58 @@ void disable_all_steppers() {
   disable_e_steppers();
 }
 
-#if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+#if ENABLED(HAVE_TMC2130)
 
-  void automatic_current_control(const TMC2130Stepper &st) {
-    #if CURRENT_STEP > 0
-      const bool is_otpw = st.checkOT(), // Check otpw even if we don't adjust. Allows for flag inspection.
-                 is_otpw_triggered = st.getOTPW();
+  void automatic_current_control(TMC2130Stepper &st, String axisID) {
+    // Check otpw even if we don't use automatic control. Allows for flag inspection.
+    const bool is_otpw = st.checkOT();
 
-      if (!is_otpw && !is_otpw_triggered) {
-        // OTPW bit not triggered yet -> Increase current
-        const uint16_t current = st.getCurrent() + CURRENT_STEP;
-        if (current <= AUTO_ADJUST_MAX) st.SilentStepStick2130(current);
+    // Report if a warning was triggered
+    static bool previous_otpw = false;
+    if (is_otpw && !previous_otpw) {
+      char timestamp[10];
+      duration_t elapsed = print_job_timer.duration();
+      const bool has_days = (elapsed.value > 60*60*24L);
+      (void)elapsed.toDigital(timestamp, has_days);
+      SERIAL_ECHO(timestamp);
+      SERIAL_ECHO(": ");
+      SERIAL_ECHO(axisID);
+      SERIAL_ECHOLNPGM(" driver overtemperature warning!");
+    }
+    previous_otpw = is_otpw;
+
+    #if CURRENT_STEP > 0 && ENABLED(AUTOMATIC_CURRENT_CONTROL)
+      // Return if user has not enabled current control start with M906 S1.
+      if (!auto_current_control) return;
+
+      /**
+       * Decrease current if is_otpw is true.
+       * Bail out if driver is disabled.
+       * Increase current if OTPW has not been triggered yet.
+       */
+      uint16_t current = st.getCurrent();
+      if (is_otpw) {
+        st.setCurrent(current - CURRENT_STEP, R_SENSE, HOLD_MULTIPLIER);
+        #if ENABLED(REPORT_CURRENT_CHANGE)
+          SERIAL_ECHO(axisID);
+          SERIAL_ECHOPAIR(" current decreased to ", st.getCurrent());
+        #endif
       }
-      else if (is_otpw && is_otpw_triggered) {
-        // OTPW bit triggered, triggered flag raised -> Decrease current
-        st.SilentStepStick2130((float)st.getCurrent() - CURRENT_STEP);
+
+      else if (!st.isEnabled())
+        return;
+
+      else if (!is_otpw && !st.getOTPW()) {
+        current += CURRENT_STEP;
+        if (current <= AUTO_ADJUST_MAX) {
+          st.setCurrent(current, R_SENSE, HOLD_MULTIPLIER);
+          #if ENABLED(REPORT_CURRENT_CHANGE)
+            SERIAL_ECHO(axisID);
+            SERIAL_ECHOPAIR(" current increased to ", st.getCurrent());
+          #endif
+        }
       }
-      // OTPW bit cleared (we've cooled down), triggered flag still raised until manually cleared -> Do nothing, we're good
+      SERIAL_EOL;
     #endif
   }
 
@@ -11415,34 +11587,37 @@ void disable_all_steppers() {
     if (ELAPSED(millis(), next_cOT)) {
       next_cOT = millis() + 5000;
       #if ENABLED(X_IS_TMC2130)
-        automatic_current_control(stepperX);
+        automatic_current_control(stepperX, "X");
       #endif
       #if ENABLED(Y_IS_TMC2130)
-        automatic_current_control(stepperY);
+        automatic_current_control(stepperY, "Y");
       #endif
       #if ENABLED(Z_IS_TMC2130)
-        automatic_current_control(stepperZ);
+        automatic_current_control(stepperZ, "Z");
       #endif
       #if ENABLED(X2_IS_TMC2130)
-        automatic_current_control(stepperX2);
+        automatic_current_control(stepperX2, "X2");
       #endif
       #if ENABLED(Y2_IS_TMC2130)
-        automatic_current_control(stepperY2);
+        automatic_current_control(stepperY2, "Y2");
       #endif
       #if ENABLED(Z2_IS_TMC2130)
-        automatic_current_control(stepperZ2);
+        automatic_current_control(stepperZ2, "Z2");
       #endif
       #if ENABLED(E0_IS_TMC2130)
-        automatic_current_control(stepperE0);
+        automatic_current_control(stepperE0, "E0");
       #endif
       #if ENABLED(E1_IS_TMC2130)
-        automatic_current_control(stepperE1);
+        automatic_current_control(stepperE1, "E1");
       #endif
       #if ENABLED(E2_IS_TMC2130)
-        automatic_current_control(stepperE2);
+        automatic_current_control(stepperE2, "E2");
       #endif
       #if ENABLED(E3_IS_TMC2130)
-        automatic_current_control(stepperE3);
+        automatic_current_control(stepperE3, "E3");
+      #endif
+      #if ENABLED(E4_IS_TMC2130)
+        automatic_current_control(stepperE4, "E4");
       #endif
       #if ENABLED(E4_IS_TMC2130)
         automatic_current_control(stepperE4);
@@ -11450,7 +11625,7 @@ void disable_all_steppers() {
     }
   }
 
-#endif // AUTOMATIC_CURRENT_CONTROL
+#endif // HAVE_TMC2130
 
 /**
  * Manage several activities:
@@ -11648,7 +11823,7 @@ void manage_inactivity(bool ignore_stepper_queue/*=false*/) {
     handle_status_leds();
   #endif
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+  #if ENABLED(HAVE_TMC2130)
     checkOverTemp();
   #endif
 

Marlin/SanityCheck.h

@@ -1091,6 +1091,24 @@ static_assert(1 >= 0
   , "Please select no more than one LCD controller option."
 );
 
+#if ENABLED(HAVE_TMC2130) && !( \
+       ENABLED(  X_IS_TMC2130 ) \
+    || ENABLED( X2_IS_TMC2130 ) \
+    || ENABLED(  Y_IS_TMC2130 ) \
+    || ENABLED( Y2_IS_TMC2130 ) \
+    || ENABLED(  Z_IS_TMC2130 ) \
+    || ENABLED( Z2_IS_TMC2130 ) \
+    || ENABLED( E0_IS_TMC2130 ) \
+    || ENABLED( E1_IS_TMC2130 ) \
+    || ENABLED( E2_IS_TMC2130 ) \
+    || ENABLED( E3_IS_TMC2130 ) )
+  #error "Choose at least one TMC2130 stepper."
+#endif
+
+#if ENABLED(HYBRID_THRESHOLD) && DISABLED(STEALTHCHOP)
+  #error "Enable STEALTHCHOP to use HYBRID_THRESHOLD."
+#endif
+
 /**
  * Require 4 or more elements in per-axis initializers
  */

Marlin/configuration_store.cpp

@@ -1124,34 +1124,34 @@ void MarlinSettings::reset() {
 
   #if ENABLED(HAVE_TMC2130)
     #if ENABLED(X_IS_TMC2130)
-      stepperX.setCurrent(X_MAX_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+      stepperX.setCurrent(X_CURRENT, R_SENSE, HOLD_MULTIPLIER);
     #endif
     #if ENABLED(Y_IS_TMC2130)
-      stepperY.setCurrent(Y_MAX_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+      stepperY.setCurrent(Y_CURRENT, R_SENSE, HOLD_MULTIPLIER);
     #endif
     #if ENABLED(Z_IS_TMC2130)
-      stepperZ.setCurrent(Z_MAX_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+      stepperZ.setCurrent(Z_CURRENT, R_SENSE, HOLD_MULTIPLIER);
     #endif
     #if ENABLED(X2_IS_TMC2130)
-      stepperX2.setCurrent(X2_MAX_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+      stepperX2.setCurrent(X2_CURRENT, R_SENSE, HOLD_MULTIPLIER);
     #endif
     #if ENABLED(Y2_IS_TMC2130)
-      stepperY2.setCurrent(Y2_MAX_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+      stepperY2.setCurrent(Y2_CURRENT, R_SENSE, HOLD_MULTIPLIER);
     #endif
     #if ENABLED(Z2_IS_TMC2130)
-      stepperZ2.setCurrent(Z2_MAX_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+      stepperZ2.setCurrent(Z2_CURRENT, R_SENSE, HOLD_MULTIPLIER);
     #endif
     #if ENABLED(E0_IS_TMC2130)
-      stepperE0.setCurrent(E0_MAX_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+      stepperE0.setCurrent(E0_CURRENT, R_SENSE, HOLD_MULTIPLIER);
     #endif
     #if ENABLED(E1_IS_TMC2130)
-      stepperE1.setCurrent(E1_MAX_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+      stepperE1.setCurrent(E1_CURRENT, R_SENSE, HOLD_MULTIPLIER);
     #endif
     #if ENABLED(E2_IS_TMC2130)
-      stepperE2.setCurrent(E2_MAX_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+      stepperE2.setCurrent(E2_CURRENT, R_SENSE, HOLD_MULTIPLIER);
     #endif
     #if ENABLED(E3_IS_TMC2130)
-      stepperE3.setCurrent(E3_MAX_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+      stepperE3.setCurrent(E3_CURRENT, R_SENSE, HOLD_MULTIPLIER);
     #endif
   #endif
 

Marlin/example_configurations/Cartesio/Configuration.h

@@ -1522,7 +1522,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/Cartesio/Configuration_adv.h

@@ -879,18 +879,6 @@
 //#define HAVE_TMC2130
 
 #if ENABLED(HAVE_TMC2130)
-  #define STEALTHCHOP
-
-  /**
-   * Let Marlin automatically control stepper current.
-   * This is still an experimental feature.
-   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
-   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
-   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
-   */
-  //#define AUTOMATIC_CURRENT_CONTROL
-  #define CURRENT_STEP          50  // [mA]
-  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -913,45 +901,104 @@
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
   #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_MAX_CURRENT     1000  // rms current in mA
-  #define X_MICROSTEPS        16  // FULLSTEP..256
-  #define X_CHIP_SELECT       40  // Pin
+  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_MAX_CURRENT     1000
+  #define Y_CURRENT         1000
   #define Y_MICROSTEPS        16
-  #define Y_CHIP_SELECT       42
 
-  #define Z_MAX_CURRENT     1000
+  #define Z_CURRENT         1000
   #define Z_MICROSTEPS        16
-  #define Z_CHIP_SELECT       65
 
-  //#define X2_MAX_CURRENT  1000
+  //#define X2_CURRENT      1000
   //#define X2_MICROSTEPS     16
-  //#define X2_CHIP_SELECT    -1
 
-  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_CURRENT      1000
   //#define Y2_MICROSTEPS     16
-  //#define Y2_CHIP_SELECT    -1
 
-  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_CURRENT      1000
   //#define Z2_MICROSTEPS     16
-  //#define Z2_CHIP_SELECT    -1
 
-  //#define E0_MAX_CURRENT  1000
+  //#define E0_CURRENT      1000
   //#define E0_MICROSTEPS     16
-  //#define E0_CHIP_SELECT    -1
 
-  //#define E1_MAX_CURRENT  1000
+  //#define E1_CURRENT      1000
   //#define E1_MICROSTEPS     16
-  //#define E1_CHIP_SELECT    -1
 
-  //#define E2_MAX_CURRENT  1000
+  //#define E2_CURRENT      1000
   //#define E2_MICROSTEPS     16
-  //#define E2_CHIP_SELECT    -1
 
-  //#define E3_MAX_CURRENT  1000
+  //#define E3_CURRENT      1000
   //#define E3_MICROSTEPS     16
-  //#define E3_CHIP_SELECT    -1
+
+  //#define E4_CURRENT      1000
+  //#define E4_MICROSTEPS     16
+
+  /**
+   * Use Trinamic's ultra quiet stepping mode.
+   * When disabled, Marlin will use spreadCycle stepping mode.
+   */
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_CURRENT but will not increase over AUTO_ADJUST_MAX
+   * Relevant g-codes:
+   * M906 - Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given.
+   * M906 S1 - Start adjusting current
+   * M906 S0 - Stop adjusting current
+   * M911 - Report stepper driver overtemperature pre-warn condition.
+   * M912 - Clear stepper driver overtemperature pre-warn condition flag.
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+
+  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+    #define CURRENT_STEP          50  // [mA]
+    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+    #define REPORT_CURRENT_CHANGE
+  #endif
+
+  /**
+   * The driver will switch to spreadCycle when stepper speed is over HYBRID_THRESHOLD.
+   * This mode allows for faster movements at the expense of higher noise levels.
+   * STEALTHCHOP needs to be enabled.
+   * M913 X/Y/Z/E to live tune the setting
+   */
+  //#define HYBRID_THRESHOLD
+
+  #define X_HYBRID_THRESHOLD     100  // [mm/s]
+  #define X2_HYBRID_THRESHOLD    100
+  #define Y_HYBRID_THRESHOLD     100
+  #define Y2_HYBRID_THRESHOLD    100
+  #define Z_HYBRID_THRESHOLD       4
+  #define Z2_HYBRID_THRESHOLD      4
+  #define E0_HYBRID_THRESHOLD     30
+  #define E1_HYBRID_THRESHOLD     30
+  #define E2_HYBRID_THRESHOLD     30
+  #define E3_HYBRID_THRESHOLD     30
+  #define E4_HYBRID_THRESHOLD     30
+
+  /**
+   * Use stallGuard2 to sense an obstacle and trigger an endstop.
+   * You need to place a wire from the driver's DIAG1 pin to the X/Y endstop pin.
+   * If used along with STEALTHCHOP, the movement will be louder when homing. This is normal.
+   *
+   * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
+   * Higher values make the system LESS sensitive.
+   * Lower value make the system MORE sensitive.
+   * Too low values can lead to false positives, while too high values will collide the axis without triggering.
+   * It is advised to set X/Y_HOME_BUMP_MM to 0.
+   * M914 X/Y to live tune the setting
+   */
+  //#define SENSORLESS_HOMING
+
+  #if ENABLED(SENSORLESS_HOMING)
+    #define X_HOMING_SENSITIVITY  19
+    #define Y_HOMING_SENSITIVITY  19
+  #endif
 
   /**
    * You can set your own advanced settings by filling in predefined functions.

Marlin/example_configurations/Felix/Configuration.h

@@ -1506,7 +1506,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/Felix/Configuration_adv.h

@@ -879,18 +879,6 @@
 //#define HAVE_TMC2130
 
 #if ENABLED(HAVE_TMC2130)
-  #define STEALTHCHOP
-
-  /**
-   * Let Marlin automatically control stepper current.
-   * This is still an experimental feature.
-   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
-   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
-   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
-   */
-  //#define AUTOMATIC_CURRENT_CONTROL
-  #define CURRENT_STEP          50  // [mA]
-  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -913,45 +901,104 @@
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
   #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_MAX_CURRENT     1000  // rms current in mA
-  #define X_MICROSTEPS        16  // FULLSTEP..256
-  #define X_CHIP_SELECT       40  // Pin
+  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_MAX_CURRENT     1000
+  #define Y_CURRENT         1000
   #define Y_MICROSTEPS        16
-  #define Y_CHIP_SELECT       42
 
-  #define Z_MAX_CURRENT     1000
+  #define Z_CURRENT         1000
   #define Z_MICROSTEPS        16
-  #define Z_CHIP_SELECT       65
 
-  //#define X2_MAX_CURRENT  1000
+  //#define X2_CURRENT      1000
   //#define X2_MICROSTEPS     16
-  //#define X2_CHIP_SELECT    -1
 
-  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_CURRENT      1000
   //#define Y2_MICROSTEPS     16
-  //#define Y2_CHIP_SELECT    -1
 
-  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_CURRENT      1000
   //#define Z2_MICROSTEPS     16
-  //#define Z2_CHIP_SELECT    -1
 
-  //#define E0_MAX_CURRENT  1000
+  //#define E0_CURRENT      1000
   //#define E0_MICROSTEPS     16
-  //#define E0_CHIP_SELECT    -1
 
-  //#define E1_MAX_CURRENT  1000
+  //#define E1_CURRENT      1000
   //#define E1_MICROSTEPS     16
-  //#define E1_CHIP_SELECT    -1
 
-  //#define E2_MAX_CURRENT  1000
+  //#define E2_CURRENT      1000
   //#define E2_MICROSTEPS     16
-  //#define E2_CHIP_SELECT    -1
 
-  //#define E3_MAX_CURRENT  1000
+  //#define E3_CURRENT      1000
   //#define E3_MICROSTEPS     16
-  //#define E3_CHIP_SELECT    -1
+
+  //#define E4_CURRENT      1000
+  //#define E4_MICROSTEPS     16
+
+  /**
+   * Use Trinamic's ultra quiet stepping mode.
+   * When disabled, Marlin will use spreadCycle stepping mode.
+   */
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_CURRENT but will not increase over AUTO_ADJUST_MAX
+   * Relevant g-codes:
+   * M906 - Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given.
+   * M906 S1 - Start adjusting current
+   * M906 S0 - Stop adjusting current
+   * M911 - Report stepper driver overtemperature pre-warn condition.
+   * M912 - Clear stepper driver overtemperature pre-warn condition flag.
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+
+  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+    #define CURRENT_STEP          50  // [mA]
+    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+    #define REPORT_CURRENT_CHANGE
+  #endif
+
+  /**
+   * The driver will switch to spreadCycle when stepper speed is over HYBRID_THRESHOLD.
+   * This mode allows for faster movements at the expense of higher noise levels.
+   * STEALTHCHOP needs to be enabled.
+   * M913 X/Y/Z/E to live tune the setting
+   */
+  //#define HYBRID_THRESHOLD
+
+  #define X_HYBRID_THRESHOLD     100  // [mm/s]
+  #define X2_HYBRID_THRESHOLD    100
+  #define Y_HYBRID_THRESHOLD     100
+  #define Y2_HYBRID_THRESHOLD    100
+  #define Z_HYBRID_THRESHOLD       4
+  #define Z2_HYBRID_THRESHOLD      4
+  #define E0_HYBRID_THRESHOLD     30
+  #define E1_HYBRID_THRESHOLD     30
+  #define E2_HYBRID_THRESHOLD     30
+  #define E3_HYBRID_THRESHOLD     30
+  #define E4_HYBRID_THRESHOLD     30
+
+  /**
+   * Use stallGuard2 to sense an obstacle and trigger an endstop.
+   * You need to place a wire from the driver's DIAG1 pin to the X/Y endstop pin.
+   * If used along with STEALTHCHOP, the movement will be louder when homing. This is normal.
+   *
+   * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
+   * Higher values make the system LESS sensitive.
+   * Lower value make the system MORE sensitive.
+   * Too low values can lead to false positives, while too high values will collide the axis without triggering.
+   * It is advised to set X/Y_HOME_BUMP_MM to 0.
+   * M914 X/Y to live tune the setting
+   */
+  //#define SENSORLESS_HOMING
+
+  #if ENABLED(SENSORLESS_HOMING)
+    #define X_HOMING_SENSITIVITY  19
+    #define Y_HOMING_SENSITIVITY  19
+  #endif
 
   /**
    * You can set your own advanced settings by filling in predefined functions.

Marlin/example_configurations/Felix/DUAL/Configuration.h

@@ -1506,7 +1506,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/Hephestos/Configuration.h

@@ -1514,7 +1514,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/Hephestos/Configuration_adv.h

@@ -879,18 +879,6 @@
 //#define HAVE_TMC2130
 
 #if ENABLED(HAVE_TMC2130)
-  #define STEALTHCHOP
-
-  /**
-   * Let Marlin automatically control stepper current.
-   * This is still an experimental feature.
-   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
-   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
-   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
-   */
-  //#define AUTOMATIC_CURRENT_CONTROL
-  #define CURRENT_STEP          50  // [mA]
-  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -913,45 +901,104 @@
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
   #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_MAX_CURRENT     1000  // rms current in mA
-  #define X_MICROSTEPS        16  // FULLSTEP..256
-  #define X_CHIP_SELECT       40  // Pin
+  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_MAX_CURRENT     1000
+  #define Y_CURRENT         1000
   #define Y_MICROSTEPS        16
-  #define Y_CHIP_SELECT       42
 
-  #define Z_MAX_CURRENT     1000
+  #define Z_CURRENT         1000
   #define Z_MICROSTEPS        16
-  #define Z_CHIP_SELECT       65
 
-  //#define X2_MAX_CURRENT  1000
+  //#define X2_CURRENT      1000
   //#define X2_MICROSTEPS     16
-  //#define X2_CHIP_SELECT    -1
 
-  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_CURRENT      1000
   //#define Y2_MICROSTEPS     16
-  //#define Y2_CHIP_SELECT    -1
 
-  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_CURRENT      1000
   //#define Z2_MICROSTEPS     16
-  //#define Z2_CHIP_SELECT    -1
 
-  //#define E0_MAX_CURRENT  1000
+  //#define E0_CURRENT      1000
   //#define E0_MICROSTEPS     16
-  //#define E0_CHIP_SELECT    -1
 
-  //#define E1_MAX_CURRENT  1000
+  //#define E1_CURRENT      1000
   //#define E1_MICROSTEPS     16
-  //#define E1_CHIP_SELECT    -1
 
-  //#define E2_MAX_CURRENT  1000
+  //#define E2_CURRENT      1000
   //#define E2_MICROSTEPS     16
-  //#define E2_CHIP_SELECT    -1
 
-  //#define E3_MAX_CURRENT  1000
+  //#define E3_CURRENT      1000
   //#define E3_MICROSTEPS     16
-  //#define E3_CHIP_SELECT    -1
+
+  //#define E4_CURRENT      1000
+  //#define E4_MICROSTEPS     16
+
+  /**
+   * Use Trinamic's ultra quiet stepping mode.
+   * When disabled, Marlin will use spreadCycle stepping mode.
+   */
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_CURRENT but will not increase over AUTO_ADJUST_MAX
+   * Relevant g-codes:
+   * M906 - Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given.
+   * M906 S1 - Start adjusting current
+   * M906 S0 - Stop adjusting current
+   * M911 - Report stepper driver overtemperature pre-warn condition.
+   * M912 - Clear stepper driver overtemperature pre-warn condition flag.
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+
+  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+    #define CURRENT_STEP          50  // [mA]
+    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+    #define REPORT_CURRENT_CHANGE
+  #endif
+
+  /**
+   * The driver will switch to spreadCycle when stepper speed is over HYBRID_THRESHOLD.
+   * This mode allows for faster movements at the expense of higher noise levels.
+   * STEALTHCHOP needs to be enabled.
+   * M913 X/Y/Z/E to live tune the setting
+   */
+  //#define HYBRID_THRESHOLD
+
+  #define X_HYBRID_THRESHOLD     100  // [mm/s]
+  #define X2_HYBRID_THRESHOLD    100
+  #define Y_HYBRID_THRESHOLD     100
+  #define Y2_HYBRID_THRESHOLD    100
+  #define Z_HYBRID_THRESHOLD       4
+  #define Z2_HYBRID_THRESHOLD      4
+  #define E0_HYBRID_THRESHOLD     30
+  #define E1_HYBRID_THRESHOLD     30
+  #define E2_HYBRID_THRESHOLD     30
+  #define E3_HYBRID_THRESHOLD     30
+  #define E4_HYBRID_THRESHOLD     30
+
+  /**
+   * Use stallGuard2 to sense an obstacle and trigger an endstop.
+   * You need to place a wire from the driver's DIAG1 pin to the X/Y endstop pin.
+   * If used along with STEALTHCHOP, the movement will be louder when homing. This is normal.
+   *
+   * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
+   * Higher values make the system LESS sensitive.
+   * Lower value make the system MORE sensitive.
+   * Too low values can lead to false positives, while too high values will collide the axis without triggering.
+   * It is advised to set X/Y_HOME_BUMP_MM to 0.
+   * M914 X/Y to live tune the setting
+   */
+  //#define SENSORLESS_HOMING
+
+  #if ENABLED(SENSORLESS_HOMING)
+    #define X_HOMING_SENSITIVITY  19
+    #define Y_HOMING_SENSITIVITY  19
+  #endif
 
   /**
    * You can set your own advanced settings by filling in predefined functions.

Marlin/example_configurations/Hephestos_2/Configuration.h

@@ -1517,7 +1517,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/Hephestos_2/Configuration_adv.h

@@ -863,18 +863,6 @@
 //#define HAVE_TMC2130
 
 #if ENABLED(HAVE_TMC2130)
-  #define STEALTHCHOP
-
-  /**
-   * Let Marlin automatically control stepper current.
-   * This is still an experimental feature.
-   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
-   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
-   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
-   */
-  //#define AUTOMATIC_CURRENT_CONTROL
-  #define CURRENT_STEP          50  // [mA]
-  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -897,45 +885,104 @@
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
   #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_MAX_CURRENT     1000  // rms current in mA
-  #define X_MICROSTEPS        16  // FULLSTEP..256
-  #define X_CHIP_SELECT       40  // Pin
+  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_MAX_CURRENT     1000
+  #define Y_CURRENT         1000
   #define Y_MICROSTEPS        16
-  #define Y_CHIP_SELECT       42
 
-  #define Z_MAX_CURRENT     1000
+  #define Z_CURRENT         1000
   #define Z_MICROSTEPS        16
-  #define Z_CHIP_SELECT       65
 
-  //#define X2_MAX_CURRENT  1000
+  //#define X2_CURRENT      1000
   //#define X2_MICROSTEPS     16
-  //#define X2_CHIP_SELECT    -1
 
-  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_CURRENT      1000
   //#define Y2_MICROSTEPS     16
-  //#define Y2_CHIP_SELECT    -1
 
-  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_CURRENT      1000
   //#define Z2_MICROSTEPS     16
-  //#define Z2_CHIP_SELECT    -1
 
-  //#define E0_MAX_CURRENT  1000
+  //#define E0_CURRENT      1000
   //#define E0_MICROSTEPS     16
-  //#define E0_CHIP_SELECT    -1
 
-  //#define E1_MAX_CURRENT  1000
+  //#define E1_CURRENT      1000
   //#define E1_MICROSTEPS     16
-  //#define E1_CHIP_SELECT    -1
 
-  //#define E2_MAX_CURRENT  1000
+  //#define E2_CURRENT      1000
   //#define E2_MICROSTEPS     16
-  //#define E2_CHIP_SELECT    -1
 
-  //#define E3_MAX_CURRENT  1000
+  //#define E3_CURRENT      1000
   //#define E3_MICROSTEPS     16
-  //#define E3_CHIP_SELECT    -1
+
+  //#define E3_CURRENT      1000
+  //#define E3_MICROSTEPS     16
+
+  /**
+   * Use Trinamic's ultra quiet stepping mode.
+   * When disabled, Marlin will use spreadCycle stepping mode.
+   */
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_CURRENT but will not increase over AUTO_ADJUST_MAX
+   * Relevant g-codes:
+   * M906 - Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given.
+   * M906 S1 - Start adjusting current
+   * M906 S0 - Stop adjusting current
+   * M911 - Report stepper driver overtemperature pre-warn condition.
+   * M912 - Clear stepper driver overtemperature pre-warn condition flag.
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+
+  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+    #define CURRENT_STEP          50  // [mA]
+    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+    #define REPORT_CURRENT_CHANGE
+  #endif
+
+  /**
+   * The driver will switch to spreadCycle when stepper speed is over HYBRID_THRESHOLD.
+   * This mode allows for faster movements at the expense of higher noise levels.
+   * STEALTHCHOP needs to be enabled.
+   * M913 X/Y/Z/E to live tune the setting
+   */
+  //#define HYBRID_THRESHOLD
+
+  #define X_HYBRID_THRESHOLD     100  // [mm/s]
+  #define X2_HYBRID_THRESHOLD    100
+  #define Y_HYBRID_THRESHOLD     100
+  #define Y2_HYBRID_THRESHOLD    100
+  #define Z_HYBRID_THRESHOLD       4
+  #define Z2_HYBRID_THRESHOLD      4
+  #define E0_HYBRID_THRESHOLD     30
+  #define E1_HYBRID_THRESHOLD     30
+  #define E2_HYBRID_THRESHOLD     30
+  #define E3_HYBRID_THRESHOLD     30
+  #define E4_HYBRID_THRESHOLD     30
+
+  /**
+   * Use stallGuard2 to sense an obstacle and trigger an endstop.
+   * You need to place a wire from the driver's DIAG1 pin to the X/Y endstop pin.
+   * If used along with STEALTHCHOP, the movement will be louder when homing. This is normal.
+   *
+   * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
+   * Higher values make the system LESS sensitive.
+   * Lower value make the system MORE sensitive.
+   * Too low values can lead to false positives, while too high values will collide the axis without triggering.
+   * It is advised to set X/Y_HOME_BUMP_MM to 0.
+   * M914 X/Y to live tune the setting
+   */
+  //#define SENSORLESS_HOMING
+
+  #if ENABLED(SENSORLESS_HOMING)
+    #define X_HOMING_SENSITIVITY  19
+    #define Y_HOMING_SENSITIVITY  19
+  #endif
 
   /**
    * You can set your own advanced settings by filling in predefined functions.

Marlin/example_configurations/K8200/Configuration.h

@@ -1557,7 +1557,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/K8200/Configuration_adv.h

@@ -892,18 +892,6 @@
 //#define HAVE_TMC2130
 
 #if ENABLED(HAVE_TMC2130)
-  #define STEALTHCHOP
-
-  /**
-   * Let Marlin automatically control stepper current.
-   * This is still an experimental feature.
-   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
-   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
-   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
-   */
-  //#define AUTOMATIC_CURRENT_CONTROL
-  #define CURRENT_STEP          50  // [mA]
-  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -926,45 +914,104 @@
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
   #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_MAX_CURRENT     1000  // rms current in mA
-  #define X_MICROSTEPS        16  // FULLSTEP..256
-  #define X_CHIP_SELECT       40  // Pin
+  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_MAX_CURRENT     1000
+  #define Y_CURRENT         1000
   #define Y_MICROSTEPS        16
-  #define Y_CHIP_SELECT       42
 
-  #define Z_MAX_CURRENT     1000
+  #define Z_CURRENT         1000
   #define Z_MICROSTEPS        16
-  #define Z_CHIP_SELECT       65
 
-  //#define X2_MAX_CURRENT  1000
+  //#define X2_CURRENT      1000
   //#define X2_MICROSTEPS     16
-  //#define X2_CHIP_SELECT    -1
 
-  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_CURRENT      1000
   //#define Y2_MICROSTEPS     16
-  //#define Y2_CHIP_SELECT    -1
 
-  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_CURRENT      1000
   //#define Z2_MICROSTEPS     16
-  //#define Z2_CHIP_SELECT    -1
 
-  //#define E0_MAX_CURRENT  1000
+  //#define E0_CURRENT      1000
   //#define E0_MICROSTEPS     16
-  //#define E0_CHIP_SELECT    -1
 
-  //#define E1_MAX_CURRENT  1000
+  //#define E1_CURRENT      1000
   //#define E1_MICROSTEPS     16
-  //#define E1_CHIP_SELECT    -1
 
-  //#define E2_MAX_CURRENT  1000
+  //#define E2_CURRENT      1000
   //#define E2_MICROSTEPS     16
-  //#define E2_CHIP_SELECT    -1
 
-  //#define E3_MAX_CURRENT  1000
+  //#define E3_CURRENT      1000
   //#define E3_MICROSTEPS     16
-  //#define E3_CHIP_SELECT    -1
+
+  //#define E4_CURRENT      1000
+  //#define E4_MICROSTEPS     16
+
+  /**
+   * Use Trinamic's ultra quiet stepping mode.
+   * When disabled, Marlin will use spreadCycle stepping mode.
+   */
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_CURRENT but will not increase over AUTO_ADJUST_MAX
+   * Relevant g-codes:
+   * M906 - Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given.
+   * M906 S1 - Start adjusting current
+   * M906 S0 - Stop adjusting current
+   * M911 - Report stepper driver overtemperature pre-warn condition.
+   * M912 - Clear stepper driver overtemperature pre-warn condition flag.
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+
+  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+    #define CURRENT_STEP          50  // [mA]
+    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+    #define REPORT_CURRENT_CHANGE
+  #endif
+
+  /**
+   * The driver will switch to spreadCycle when stepper speed is over HYBRID_THRESHOLD.
+   * This mode allows for faster movements at the expense of higher noise levels.
+   * STEALTHCHOP needs to be enabled.
+   * M913 X/Y/Z/E to live tune the setting
+   */
+  //#define HYBRID_THRESHOLD
+
+  #define X_HYBRID_THRESHOLD     100  // [mm/s]
+  #define X2_HYBRID_THRESHOLD    100
+  #define Y_HYBRID_THRESHOLD     100
+  #define Y2_HYBRID_THRESHOLD    100
+  #define Z_HYBRID_THRESHOLD       4
+  #define Z2_HYBRID_THRESHOLD      4
+  #define E0_HYBRID_THRESHOLD     30
+  #define E1_HYBRID_THRESHOLD     30
+  #define E2_HYBRID_THRESHOLD     30
+  #define E3_HYBRID_THRESHOLD     30
+  #define E4_HYBRID_THRESHOLD     30
+
+  /**
+   * Use stallGuard2 to sense an obstacle and trigger an endstop.
+   * You need to place a wire from the driver's DIAG1 pin to the X/Y endstop pin.
+   * If used along with STEALTHCHOP, the movement will be louder when homing. This is normal.
+   *
+   * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
+   * Higher values make the system LESS sensitive.
+   * Lower value make the system MORE sensitive.
+   * Too low values can lead to false positives, while too high values will collide the axis without triggering.
+   * It is advised to set X/Y_HOME_BUMP_MM to 0.
+   * M914 X/Y to live tune the setting
+   */
+  //#define SENSORLESS_HOMING
+
+  #if ENABLED(SENSORLESS_HOMING)
+    #define X_HOMING_SENSITIVITY  19
+    #define Y_HOMING_SENSITIVITY  19
+  #endif
 
   /**
    * You can set your own advanced settings by filling in predefined functions.

Marlin/example_configurations/K8400/Configuration.h

@@ -1523,7 +1523,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/K8400/Configuration_adv.h

@@ -879,18 +879,6 @@
 //#define HAVE_TMC2130
 
 #if ENABLED(HAVE_TMC2130)
-  #define STEALTHCHOP
-
-  /**
-   * Let Marlin automatically control stepper current.
-   * This is still an experimental feature.
-   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
-   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
-   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
-   */
-  //#define AUTOMATIC_CURRENT_CONTROL
-  #define CURRENT_STEP          50  // [mA]
-  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -913,45 +901,104 @@
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
   #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_MAX_CURRENT     1000  // rms current in mA
-  #define X_MICROSTEPS        16  // FULLSTEP..256
-  #define X_CHIP_SELECT       40  // Pin
+  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_MAX_CURRENT     1000
+  #define Y_CURRENT         1000
   #define Y_MICROSTEPS        16
-  #define Y_CHIP_SELECT       42
 
-  #define Z_MAX_CURRENT     1000
+  #define Z_CURRENT         1000
   #define Z_MICROSTEPS        16
-  #define Z_CHIP_SELECT       65
 
-  //#define X2_MAX_CURRENT  1000
+  //#define X2_CURRENT      1000
   //#define X2_MICROSTEPS     16
-  //#define X2_CHIP_SELECT    -1
 
-  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_CURRENT      1000
   //#define Y2_MICROSTEPS     16
-  //#define Y2_CHIP_SELECT    -1
 
-  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_CURRENT      1000
   //#define Z2_MICROSTEPS     16
-  //#define Z2_CHIP_SELECT    -1
 
-  //#define E0_MAX_CURRENT  1000
+  //#define E0_CURRENT      1000
   //#define E0_MICROSTEPS     16
-  //#define E0_CHIP_SELECT    -1
 
-  //#define E1_MAX_CURRENT  1000
+  //#define E1_CURRENT      1000
   //#define E1_MICROSTEPS     16
-  //#define E1_CHIP_SELECT    -1
 
-  //#define E2_MAX_CURRENT  1000
+  //#define E2_CURRENT      1000
   //#define E2_MICROSTEPS     16
-  //#define E2_CHIP_SELECT    -1
 
-  //#define E3_MAX_CURRENT  1000
+  //#define E3_CURRENT      1000
   //#define E3_MICROSTEPS     16
-  //#define E3_CHIP_SELECT    -1
+
+  //#define E4_CURRENT      1000
+  //#define E4_MICROSTEPS     16
+
+  /**
+   * Use Trinamic's ultra quiet stepping mode.
+   * When disabled, Marlin will use spreadCycle stepping mode.
+   */
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_CURRENT but will not increase over AUTO_ADJUST_MAX
+   * Relevant g-codes:
+   * M906 - Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given.
+   * M906 S1 - Start adjusting current
+   * M906 S0 - Stop adjusting current
+   * M911 - Report stepper driver overtemperature pre-warn condition.
+   * M912 - Clear stepper driver overtemperature pre-warn condition flag.
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+
+  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+    #define CURRENT_STEP          50  // [mA]
+    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+    #define REPORT_CURRENT_CHANGE
+  #endif
+
+  /**
+   * The driver will switch to spreadCycle when stepper speed is over HYBRID_THRESHOLD.
+   * This mode allows for faster movements at the expense of higher noise levels.
+   * STEALTHCHOP needs to be enabled.
+   * M913 X/Y/Z/E to live tune the setting
+   */
+  //#define HYBRID_THRESHOLD
+
+  #define X_HYBRID_THRESHOLD     100  // [mm/s]
+  #define X2_HYBRID_THRESHOLD    100
+  #define Y_HYBRID_THRESHOLD     100
+  #define Y2_HYBRID_THRESHOLD    100
+  #define Z_HYBRID_THRESHOLD       4
+  #define Z2_HYBRID_THRESHOLD      4
+  #define E0_HYBRID_THRESHOLD     30
+  #define E1_HYBRID_THRESHOLD     30
+  #define E2_HYBRID_THRESHOLD     30
+  #define E3_HYBRID_THRESHOLD     30
+  #define E4_HYBRID_THRESHOLD     30
+
+  /**
+   * Use stallGuard2 to sense an obstacle and trigger an endstop.
+   * You need to place a wire from the driver's DIAG1 pin to the X/Y endstop pin.
+   * If used along with STEALTHCHOP, the movement will be louder when homing. This is normal.
+   *
+   * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
+   * Higher values make the system LESS sensitive.
+   * Lower value make the system MORE sensitive.
+   * Too low values can lead to false positives, while too high values will collide the axis without triggering.
+   * It is advised to set X/Y_HOME_BUMP_MM to 0.
+   * M914 X/Y to live tune the setting
+   */
+  //#define SENSORLESS_HOMING
+
+  #if ENABLED(SENSORLESS_HOMING)
+    #define X_HOMING_SENSITIVITY  19
+    #define Y_HOMING_SENSITIVITY  19
+  #endif
 
   /**
    * You can set your own advanced settings by filling in predefined functions.

Marlin/example_configurations/K8400/Dual-head/Configuration.h

@@ -1523,7 +1523,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/RepRapWorld/Megatronics/Configuration.h

@@ -1523,7 +1523,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/RigidBot/Configuration.h

@@ -1524,7 +1524,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/RigidBot/Configuration_adv.h

@@ -879,18 +879,6 @@
 //#define HAVE_TMC2130
 
 #if ENABLED(HAVE_TMC2130)
-  #define STEALTHCHOP
-
-  /**
-   * Let Marlin automatically control stepper current.
-   * This is still an experimental feature.
-   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
-   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
-   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
-   */
-  //#define AUTOMATIC_CURRENT_CONTROL
-  #define CURRENT_STEP          50  // [mA]
-  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -913,45 +901,104 @@
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
   #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_MAX_CURRENT     1000  // rms current in mA
-  #define X_MICROSTEPS        16  // FULLSTEP..256
-  #define X_CHIP_SELECT       40  // Pin
+  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_MAX_CURRENT     1000
+  #define Y_CURRENT         1000
   #define Y_MICROSTEPS        16
-  #define Y_CHIP_SELECT       42
 
-  #define Z_MAX_CURRENT     1000
+  #define Z_CURRENT         1000
   #define Z_MICROSTEPS        16
-  #define Z_CHIP_SELECT       65
 
-  //#define X2_MAX_CURRENT  1000
+  //#define X2_CURRENT      1000
   //#define X2_MICROSTEPS     16
-  //#define X2_CHIP_SELECT    -1
 
-  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_CURRENT      1000
   //#define Y2_MICROSTEPS     16
-  //#define Y2_CHIP_SELECT    -1
 
-  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_CURRENT      1000
   //#define Z2_MICROSTEPS     16
-  //#define Z2_CHIP_SELECT    -1
 
-  //#define E0_MAX_CURRENT  1000
+  //#define E0_CURRENT      1000
   //#define E0_MICROSTEPS     16
-  //#define E0_CHIP_SELECT    -1
 
-  //#define E1_MAX_CURRENT  1000
+  //#define E1_CURRENT      1000
   //#define E1_MICROSTEPS     16
-  //#define E1_CHIP_SELECT    -1
 
-  //#define E2_MAX_CURRENT  1000
+  //#define E2_CURRENT      1000
   //#define E2_MICROSTEPS     16
-  //#define E2_CHIP_SELECT    -1
 
-  //#define E3_MAX_CURRENT  1000
+  //#define E3_CURRENT      1000
   //#define E3_MICROSTEPS     16
-  //#define E3_CHIP_SELECT    -1
+
+  //#define E4_CURRENT      1000
+  //#define E4_MICROSTEPS     16
+
+  /**
+   * Use Trinamic's ultra quiet stepping mode.
+   * When disabled, Marlin will use spreadCycle stepping mode.
+   */
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_CURRENT but will not increase over AUTO_ADJUST_MAX
+   * Relevant g-codes:
+   * M906 - Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given.
+   * M906 S1 - Start adjusting current
+   * M906 S0 - Stop adjusting current
+   * M911 - Report stepper driver overtemperature pre-warn condition.
+   * M912 - Clear stepper driver overtemperature pre-warn condition flag.
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+
+  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+    #define CURRENT_STEP          50  // [mA]
+    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+    #define REPORT_CURRENT_CHANGE
+  #endif
+
+  /**
+   * The driver will switch to spreadCycle when stepper speed is over HYBRID_THRESHOLD.
+   * This mode allows for faster movements at the expense of higher noise levels.
+   * STEALTHCHOP needs to be enabled.
+   * M913 X/Y/Z/E to live tune the setting
+   */
+  //#define HYBRID_THRESHOLD
+
+  #define X_HYBRID_THRESHOLD     100  // [mm/s]
+  #define X2_HYBRID_THRESHOLD    100
+  #define Y_HYBRID_THRESHOLD     100
+  #define Y2_HYBRID_THRESHOLD    100
+  #define Z_HYBRID_THRESHOLD       4
+  #define Z2_HYBRID_THRESHOLD      4
+  #define E0_HYBRID_THRESHOLD     30
+  #define E1_HYBRID_THRESHOLD     30
+  #define E2_HYBRID_THRESHOLD     30
+  #define E3_HYBRID_THRESHOLD     30
+  #define E4_HYBRID_THRESHOLD     30
+
+  /**
+   * Use stallGuard2 to sense an obstacle and trigger an endstop.
+   * You need to place a wire from the driver's DIAG1 pin to the X/Y endstop pin.
+   * If used along with STEALTHCHOP, the movement will be louder when homing. This is normal.
+   *
+   * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
+   * Higher values make the system LESS sensitive.
+   * Lower value make the system MORE sensitive.
+   * Too low values can lead to false positives, while too high values will collide the axis without triggering.
+   * It is advised to set X/Y_HOME_BUMP_MM to 0.
+   * M914 X/Y to live tune the setting
+   */
+  //#define SENSORLESS_HOMING
+
+  #if ENABLED(SENSORLESS_HOMING)
+    #define X_HOMING_SENSITIVITY  19
+    #define Y_HOMING_SENSITIVITY  19
+  #endif
 
   /**
    * You can set your own advanced settings by filling in predefined functions.

Marlin/example_configurations/SCARA/Configuration.h

@@ -1538,7 +1538,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/SCARA/Configuration_adv.h

@@ -879,18 +879,6 @@
 //#define HAVE_TMC2130
 
 #if ENABLED(HAVE_TMC2130)
-  #define STEALTHCHOP
-
-  /**
-   * Let Marlin automatically control stepper current.
-   * This is still an experimental feature.
-   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
-   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
-   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
-   */
-  //#define AUTOMATIC_CURRENT_CONTROL
-  #define CURRENT_STEP          50  // [mA]
-  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -913,45 +901,104 @@
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
   #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_MAX_CURRENT     1000  // rms current in mA
-  #define X_MICROSTEPS        16  // FULLSTEP..256
-  #define X_CHIP_SELECT       40  // Pin
+  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_MAX_CURRENT     1000
+  #define Y_CURRENT         1000
   #define Y_MICROSTEPS        16
-  #define Y_CHIP_SELECT       42
 
-  #define Z_MAX_CURRENT     1000
+  #define Z_CURRENT         1000
   #define Z_MICROSTEPS        16
-  #define Z_CHIP_SELECT       65
 
-  //#define X2_MAX_CURRENT  1000
+  //#define X2_CURRENT      1000
   //#define X2_MICROSTEPS     16
-  //#define X2_CHIP_SELECT    -1
 
-  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_CURRENT      1000
   //#define Y2_MICROSTEPS     16
-  //#define Y2_CHIP_SELECT    -1
 
-  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_CURRENT      1000
   //#define Z2_MICROSTEPS     16
-  //#define Z2_CHIP_SELECT    -1
 
-  //#define E0_MAX_CURRENT  1000
+  //#define E0_CURRENT      1000
   //#define E0_MICROSTEPS     16
-  //#define E0_CHIP_SELECT    -1
 
-  //#define E1_MAX_CURRENT  1000
+  //#define E1_CURRENT      1000
   //#define E1_MICROSTEPS     16
-  //#define E1_CHIP_SELECT    -1
 
-  //#define E2_MAX_CURRENT  1000
+  //#define E2_CURRENT      1000
   //#define E2_MICROSTEPS     16
-  //#define E2_CHIP_SELECT    -1
 
-  //#define E3_MAX_CURRENT  1000
+  //#define E3_CURRENT      1000
   //#define E3_MICROSTEPS     16
-  //#define E3_CHIP_SELECT    -1
+
+  //#define E4_CURRENT      1000
+  //#define E4_MICROSTEPS     16
+
+  /**
+   * Use Trinamic's ultra quiet stepping mode.
+   * When disabled, Marlin will use spreadCycle stepping mode.
+   */
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_CURRENT but will not increase over AUTO_ADJUST_MAX
+   * Relevant g-codes:
+   * M906 - Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given.
+   * M906 S1 - Start adjusting current
+   * M906 S0 - Stop adjusting current
+   * M911 - Report stepper driver overtemperature pre-warn condition.
+   * M912 - Clear stepper driver overtemperature pre-warn condition flag.
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+
+  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+    #define CURRENT_STEP          50  // [mA]
+    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+    #define REPORT_CURRENT_CHANGE
+  #endif
+
+  /**
+   * The driver will switch to spreadCycle when stepper speed is over HYBRID_THRESHOLD.
+   * This mode allows for faster movements at the expense of higher noise levels.
+   * STEALTHCHOP needs to be enabled.
+   * M913 X/Y/Z/E to live tune the setting
+   */
+  //#define HYBRID_THRESHOLD
+
+  #define X_HYBRID_THRESHOLD     100  // [mm/s]
+  #define X2_HYBRID_THRESHOLD    100
+  #define Y_HYBRID_THRESHOLD     100
+  #define Y2_HYBRID_THRESHOLD    100
+  #define Z_HYBRID_THRESHOLD       4
+  #define Z2_HYBRID_THRESHOLD      4
+  #define E0_HYBRID_THRESHOLD     30
+  #define E1_HYBRID_THRESHOLD     30
+  #define E2_HYBRID_THRESHOLD     30
+  #define E3_HYBRID_THRESHOLD     30
+  #define E4_HYBRID_THRESHOLD     30
+
+  /**
+   * Use stallGuard2 to sense an obstacle and trigger an endstop.
+   * You need to place a wire from the driver's DIAG1 pin to the X/Y endstop pin.
+   * If used along with STEALTHCHOP, the movement will be louder when homing. This is normal.
+   *
+   * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
+   * Higher values make the system LESS sensitive.
+   * Lower value make the system MORE sensitive.
+   * Too low values can lead to false positives, while too high values will collide the axis without triggering.
+   * It is advised to set X/Y_HOME_BUMP_MM to 0.
+   * M914 X/Y to live tune the setting
+   */
+  //#define SENSORLESS_HOMING
+
+  #if ENABLED(SENSORLESS_HOMING)
+    #define X_HOMING_SENSITIVITY  19
+    #define Y_HOMING_SENSITIVITY  19
+  #endif
 
   /**
    * You can set your own advanced settings by filling in predefined functions.

Marlin/example_configurations/TAZ4/Configuration.h

@@ -1543,7 +1543,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/TAZ4/Configuration_adv.h

@@ -887,18 +887,6 @@
 //#define HAVE_TMC2130
 
 #if ENABLED(HAVE_TMC2130)
-  #define STEALTHCHOP
-
-  /**
-   * Let Marlin automatically control stepper current.
-   * This is still an experimental feature.
-   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
-   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
-   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
-   */
-  //#define AUTOMATIC_CURRENT_CONTROL
-  #define CURRENT_STEP          50  // [mA]
-  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -921,45 +909,104 @@
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
   #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_MAX_CURRENT     1000  // rms current in mA
-  #define X_MICROSTEPS        16  // FULLSTEP..256
-  #define X_CHIP_SELECT       40  // Pin
+  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_MAX_CURRENT     1000
+  #define Y_CURRENT         1000
   #define Y_MICROSTEPS        16
-  #define Y_CHIP_SELECT       42
 
-  #define Z_MAX_CURRENT     1000
+  #define Z_CURRENT         1000
   #define Z_MICROSTEPS        16
-  #define Z_CHIP_SELECT       65
 
-  //#define X2_MAX_CURRENT  1000
+  //#define X2_CURRENT      1000
   //#define X2_MICROSTEPS     16
-  //#define X2_CHIP_SELECT    -1
 
-  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_CURRENT      1000
   //#define Y2_MICROSTEPS     16
-  //#define Y2_CHIP_SELECT    -1
 
-  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_CURRENT      1000
   //#define Z2_MICROSTEPS     16
-  //#define Z2_CHIP_SELECT    -1
 
-  //#define E0_MAX_CURRENT  1000
+  //#define E0_CURRENT      1000
   //#define E0_MICROSTEPS     16
-  //#define E0_CHIP_SELECT    -1
 
-  //#define E1_MAX_CURRENT  1000
+  //#define E1_CURRENT      1000
   //#define E1_MICROSTEPS     16
-  //#define E1_CHIP_SELECT    -1
 
-  //#define E2_MAX_CURRENT  1000
+  //#define E2_CURRENT      1000
   //#define E2_MICROSTEPS     16
-  //#define E2_CHIP_SELECT    -1
 
-  //#define E3_MAX_CURRENT  1000
+  //#define E3_CURRENT      1000
   //#define E3_MICROSTEPS     16
-  //#define E3_CHIP_SELECT    -1
+
+  //#define E4_CURRENT      1000
+  //#define E4_MICROSTEPS     16
+
+  /**
+   * Use Trinamic's ultra quiet stepping mode.
+   * When disabled, Marlin will use spreadCycle stepping mode.
+   */
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_CURRENT but will not increase over AUTO_ADJUST_MAX
+   * Relevant g-codes:
+   * M906 - Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given.
+   * M906 S1 - Start adjusting current
+   * M906 S0 - Stop adjusting current
+   * M911 - Report stepper driver overtemperature pre-warn condition.
+   * M912 - Clear stepper driver overtemperature pre-warn condition flag.
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+
+  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+    #define CURRENT_STEP          50  // [mA]
+    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+    #define REPORT_CURRENT_CHANGE
+  #endif
+
+  /**
+   * The driver will switch to spreadCycle when stepper speed is over HYBRID_THRESHOLD.
+   * This mode allows for faster movements at the expense of higher noise levels.
+   * STEALTHCHOP needs to be enabled.
+   * M913 X/Y/Z/E to live tune the setting
+   */
+  //#define HYBRID_THRESHOLD
+
+  #define X_HYBRID_THRESHOLD     100  // [mm/s]
+  #define X2_HYBRID_THRESHOLD    100
+  #define Y_HYBRID_THRESHOLD     100
+  #define Y2_HYBRID_THRESHOLD    100
+  #define Z_HYBRID_THRESHOLD       4
+  #define Z2_HYBRID_THRESHOLD      4
+  #define E0_HYBRID_THRESHOLD     30
+  #define E1_HYBRID_THRESHOLD     30
+  #define E2_HYBRID_THRESHOLD     30
+  #define E3_HYBRID_THRESHOLD     30
+  #define E4_HYBRID_THRESHOLD     30
+
+  /**
+   * Use stallGuard2 to sense an obstacle and trigger an endstop.
+   * You need to place a wire from the driver's DIAG1 pin to the X/Y endstop pin.
+   * If used along with STEALTHCHOP, the movement will be louder when homing. This is normal.
+   *
+   * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
+   * Higher values make the system LESS sensitive.
+   * Lower value make the system MORE sensitive.
+   * Too low values can lead to false positives, while too high values will collide the axis without triggering.
+   * It is advised to set X/Y_HOME_BUMP_MM to 0.
+   * M914 X/Y to live tune the setting
+   */
+  //#define SENSORLESS_HOMING
+
+  #if ENABLED(SENSORLESS_HOMING)
+    #define X_HOMING_SENSITIVITY  19
+    #define Y_HOMING_SENSITIVITY  19
+  #endif
 
   /**
    * You can set your own advanced settings by filling in predefined functions.

Marlin/example_configurations/TinyBoy2/Configuration.h

@@ -1579,7 +1579,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/TinyBoy2/Configuration_adv.h

@@ -882,18 +882,6 @@
 //#define HAVE_TMC2130
 
 #if ENABLED(HAVE_TMC2130)
-  #define STEALTHCHOP
-
-  /**
-   * Let Marlin automatically control stepper current.
-   * This is still an experimental feature.
-   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
-   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
-   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
-   */
-  //#define AUTOMATIC_CURRENT_CONTROL
-  #define CURRENT_STEP          50  // [mA]
-  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -916,45 +904,104 @@
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
   #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_MAX_CURRENT     1000  // rms current in mA
-  #define X_MICROSTEPS        16  // FULLSTEP..256
-  #define X_CHIP_SELECT       40  // Pin
+  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_MAX_CURRENT     1000
+  #define Y_CURRENT         1000
   #define Y_MICROSTEPS        16
-  #define Y_CHIP_SELECT       42
 
-  #define Z_MAX_CURRENT     1000
+  #define Z_CURRENT         1000
   #define Z_MICROSTEPS        16
-  #define Z_CHIP_SELECT       65
 
-  //#define X2_MAX_CURRENT  1000
+  //#define X2_CURRENT      1000
   //#define X2_MICROSTEPS     16
-  //#define X2_CHIP_SELECT    -1
 
-  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_CURRENT      1000
   //#define Y2_MICROSTEPS     16
-  //#define Y2_CHIP_SELECT    -1
 
-  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_CURRENT      1000
   //#define Z2_MICROSTEPS     16
-  //#define Z2_CHIP_SELECT    -1
 
-  //#define E0_MAX_CURRENT  1000
+  //#define E0_CURRENT      1000
   //#define E0_MICROSTEPS     16
-  //#define E0_CHIP_SELECT    -1
 
-  //#define E1_MAX_CURRENT  1000
+  //#define E1_CURRENT      1000
   //#define E1_MICROSTEPS     16
-  //#define E1_CHIP_SELECT    -1
 
-  //#define E2_MAX_CURRENT  1000
+  //#define E2_CURRENT      1000
   //#define E2_MICROSTEPS     16
-  //#define E2_CHIP_SELECT    -1
 
-  //#define E3_MAX_CURRENT  1000
+  //#define E3_CURRENT      1000
   //#define E3_MICROSTEPS     16
-  //#define E3_CHIP_SELECT    -1
+
+  //#define E4_CURRENT      1000
+  //#define E4_MICROSTEPS     16
+
+  /**
+   * Use Trinamic's ultra quiet stepping mode.
+   * When disabled, Marlin will use spreadCycle stepping mode.
+   */
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_CURRENT but will not increase over AUTO_ADJUST_MAX
+   * Relevant g-codes:
+   * M906 - Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given.
+   * M906 S1 - Start adjusting current
+   * M906 S0 - Stop adjusting current
+   * M911 - Report stepper driver overtemperature pre-warn condition.
+   * M912 - Clear stepper driver overtemperature pre-warn condition flag.
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+
+  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+    #define CURRENT_STEP          50  // [mA]
+    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+    #define REPORT_CURRENT_CHANGE
+  #endif
+
+  /**
+   * The driver will switch to spreadCycle when stepper speed is over HYBRID_THRESHOLD.
+   * This mode allows for faster movements at the expense of higher noise levels.
+   * STEALTHCHOP needs to be enabled.
+   * M913 X/Y/Z/E to live tune the setting
+   */
+  //#define HYBRID_THRESHOLD
+
+  #define X_HYBRID_THRESHOLD     100  // [mm/s]
+  #define X2_HYBRID_THRESHOLD    100
+  #define Y_HYBRID_THRESHOLD     100
+  #define Y2_HYBRID_THRESHOLD    100
+  #define Z_HYBRID_THRESHOLD       4
+  #define Z2_HYBRID_THRESHOLD      4
+  #define E0_HYBRID_THRESHOLD     30
+  #define E1_HYBRID_THRESHOLD     30
+  #define E2_HYBRID_THRESHOLD     30
+  #define E3_HYBRID_THRESHOLD     30
+  #define E4_HYBRID_THRESHOLD     30
+
+  /**
+   * Use stallGuard2 to sense an obstacle and trigger an endstop.
+   * You need to place a wire from the driver's DIAG1 pin to the X/Y endstop pin.
+   * If used along with STEALTHCHOP, the movement will be louder when homing. This is normal.
+   *
+   * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
+   * Higher values make the system LESS sensitive.
+   * Lower value make the system MORE sensitive.
+   * Too low values can lead to false positives, while too high values will collide the axis without triggering.
+   * It is advised to set X/Y_HOME_BUMP_MM to 0.
+   * M914 X/Y to live tune the setting
+   */
+  //#define SENSORLESS_HOMING
+
+  #if ENABLED(SENSORLESS_HOMING)
+    #define X_HOMING_SENSITIVITY  19
+    #define Y_HOMING_SENSITIVITY  19
+  #endif
 
   /**
    * You can set your own advanced settings by filling in predefined functions.

Marlin/example_configurations/WITBOX/Configuration.h

@@ -1514,7 +1514,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/WITBOX/Configuration_adv.h

@@ -879,18 +879,6 @@
 //#define HAVE_TMC2130
 
 #if ENABLED(HAVE_TMC2130)
-  #define STEALTHCHOP
-
-  /**
-   * Let Marlin automatically control stepper current.
-   * This is still an experimental feature.
-   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
-   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
-   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
-   */
-  //#define AUTOMATIC_CURRENT_CONTROL
-  #define CURRENT_STEP          50  // [mA]
-  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -913,45 +901,104 @@
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
   #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_MAX_CURRENT     1000  // rms current in mA
-  #define X_MICROSTEPS        16  // FULLSTEP..256
-  #define X_CHIP_SELECT       40  // Pin
+  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_MAX_CURRENT     1000
+  #define Y_CURRENT         1000
   #define Y_MICROSTEPS        16
-  #define Y_CHIP_SELECT       42
 
-  #define Z_MAX_CURRENT     1000
+  #define Z_CURRENT         1000
   #define Z_MICROSTEPS        16
-  #define Z_CHIP_SELECT       65
 
-  //#define X2_MAX_CURRENT  1000
+  //#define X2_CURRENT      1000
   //#define X2_MICROSTEPS     16
-  //#define X2_CHIP_SELECT    -1
 
-  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_CURRENT      1000
   //#define Y2_MICROSTEPS     16
-  //#define Y2_CHIP_SELECT    -1
 
-  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_CURRENT      1000
   //#define Z2_MICROSTEPS     16
-  //#define Z2_CHIP_SELECT    -1
 
-  //#define E0_MAX_CURRENT  1000
+  //#define E0_CURRENT      1000
   //#define E0_MICROSTEPS     16
-  //#define E0_CHIP_SELECT    -1
 
-  //#define E1_MAX_CURRENT  1000
+  //#define E1_CURRENT      1000
   //#define E1_MICROSTEPS     16
-  //#define E1_CHIP_SELECT    -1
 
-  //#define E2_MAX_CURRENT  1000
+  //#define E2_CURRENT      1000
   //#define E2_MICROSTEPS     16
-  //#define E2_CHIP_SELECT    -1
 
-  //#define E3_MAX_CURRENT  1000
+  //#define E3_CURRENT      1000
   //#define E3_MICROSTEPS     16
-  //#define E3_CHIP_SELECT    -1
+
+  //#define E4_CURRENT      1000
+  //#define E4_MICROSTEPS     16
+
+  /**
+   * Use Trinamic's ultra quiet stepping mode.
+   * When disabled, Marlin will use spreadCycle stepping mode.
+   */
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_CURRENT but will not increase over AUTO_ADJUST_MAX
+   * Relevant g-codes:
+   * M906 - Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given.
+   * M906 S1 - Start adjusting current
+   * M906 S0 - Stop adjusting current
+   * M911 - Report stepper driver overtemperature pre-warn condition.
+   * M912 - Clear stepper driver overtemperature pre-warn condition flag.
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+
+  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+    #define CURRENT_STEP          50  // [mA]
+    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+    #define REPORT_CURRENT_CHANGE
+  #endif
+
+  /**
+   * The driver will switch to spreadCycle when stepper speed is over HYBRID_THRESHOLD.
+   * This mode allows for faster movements at the expense of higher noise levels.
+   * STEALTHCHOP needs to be enabled.
+   * M913 X/Y/Z/E to live tune the setting
+   */
+  //#define HYBRID_THRESHOLD
+
+  #define X_HYBRID_THRESHOLD     100  // [mm/s]
+  #define X2_HYBRID_THRESHOLD    100
+  #define Y_HYBRID_THRESHOLD     100
+  #define Y2_HYBRID_THRESHOLD    100
+  #define Z_HYBRID_THRESHOLD       4
+  #define Z2_HYBRID_THRESHOLD      4
+  #define E0_HYBRID_THRESHOLD     30
+  #define E1_HYBRID_THRESHOLD     30
+  #define E2_HYBRID_THRESHOLD     30
+  #define E3_HYBRID_THRESHOLD     30
+  #define E4_HYBRID_THRESHOLD     30
+
+  /**
+   * Use stallGuard2 to sense an obstacle and trigger an endstop.
+   * You need to place a wire from the driver's DIAG1 pin to the X/Y endstop pin.
+   * If used along with STEALTHCHOP, the movement will be louder when homing. This is normal.
+   *
+   * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
+   * Higher values make the system LESS sensitive.
+   * Lower value make the system MORE sensitive.
+   * Too low values can lead to false positives, while too high values will collide the axis without triggering.
+   * It is advised to set X/Y_HOME_BUMP_MM to 0.
+   * M914 X/Y to live tune the setting
+   */
+  //#define SENSORLESS_HOMING
+
+  #if ENABLED(SENSORLESS_HOMING)
+    #define X_HOMING_SENSITIVITY  19
+    #define Y_HOMING_SENSITIVITY  19
+  #endif
 
   /**
    * You can set your own advanced settings by filling in predefined functions.

Marlin/example_configurations/adafruit/ST7565/Configuration.h

@@ -1523,7 +1523,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/delta/FLSUN/auto_calibrate/Configuration.h

@@ -1645,7 +1645,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/delta/FLSUN/auto_calibrate/Configuration_adv.h

@@ -327,7 +327,11 @@
   // Default x offset in duplication mode (typically set to half print bed width)
   #define DEFAULT_DUPLICATION_X_OFFSET 100
 
-#endif //DUAL_X_CARRIAGE
+#endif // DUAL_X_CARRIAGE
+
+// Activate a solenoid on the active extruder with M380. Disable all with M381.
+// Define SOL0_PIN, SOL1_PIN, etc., for each extruder that has a solenoid.
+//#define EXT_SOLENOID
 
 // @section homing
 
@@ -899,18 +903,6 @@
 //#define HAVE_TMC2130
 
 #if ENABLED(HAVE_TMC2130)
-  #define STEALTHCHOP
-
-  /**
-   * Let Marlin automatically control stepper current.
-   * This is still an experimental feature.
-   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
-   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
-   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
-   */
-  //#define AUTOMATIC_CURRENT_CONTROL
-  #define CURRENT_STEP          50  // [mA]
-  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -933,45 +925,104 @@
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
   #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_MAX_CURRENT     1000  // rms current in mA
-  #define X_MICROSTEPS        16  // FULLSTEP..256
-  #define X_CHIP_SELECT       40  // Pin
+  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_MAX_CURRENT     1000
+  #define Y_CURRENT         1000
   #define Y_MICROSTEPS        16
-  #define Y_CHIP_SELECT       42
 
-  #define Z_MAX_CURRENT     1000
+  #define Z_CURRENT         1000
   #define Z_MICROSTEPS        16
-  #define Z_CHIP_SELECT       65
 
-  //#define X2_MAX_CURRENT  1000
+  //#define X2_CURRENT      1000
   //#define X2_MICROSTEPS     16
-  //#define X2_CHIP_SELECT    -1
 
-  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_CURRENT      1000
   //#define Y2_MICROSTEPS     16
-  //#define Y2_CHIP_SELECT    -1
 
-  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_CURRENT      1000
   //#define Z2_MICROSTEPS     16
-  //#define Z2_CHIP_SELECT    -1
 
-  //#define E0_MAX_CURRENT  1000
+  //#define E0_CURRENT      1000
   //#define E0_MICROSTEPS     16
-  //#define E0_CHIP_SELECT    -1
 
-  //#define E1_MAX_CURRENT  1000
+  //#define E1_CURRENT      1000
   //#define E1_MICROSTEPS     16
-  //#define E1_CHIP_SELECT    -1
 
-  //#define E2_MAX_CURRENT  1000
+  //#define E2_CURRENT      1000
   //#define E2_MICROSTEPS     16
-  //#define E2_CHIP_SELECT    -1
 
-  //#define E3_MAX_CURRENT  1000
+  //#define E3_CURRENT      1000
   //#define E3_MICROSTEPS     16
-  //#define E3_CHIP_SELECT    -1
+
+  //#define E4_CURRENT      1000
+  //#define E4_MICROSTEPS     16
+
+  /**
+   * Use Trinamic's ultra quiet stepping mode.
+   * When disabled, Marlin will use spreadCycle stepping mode.
+   */
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_CURRENT but will not increase over AUTO_ADJUST_MAX
+   * Relevant g-codes:
+   * M906 - Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given.
+   * M906 S1 - Start adjusting current
+   * M906 S0 - Stop adjusting current
+   * M911 - Report stepper driver overtemperature pre-warn condition.
+   * M912 - Clear stepper driver overtemperature pre-warn condition flag.
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+
+  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+    #define CURRENT_STEP          50  // [mA]
+    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+    #define REPORT_CURRENT_CHANGE
+  #endif
+
+  /**
+   * The driver will switch to spreadCycle when stepper speed is over HYBRID_THRESHOLD.
+   * This mode allows for faster movements at the expense of higher noise levels.
+   * STEALTHCHOP needs to be enabled.
+   * M913 X/Y/Z/E to live tune the setting
+   */
+  //#define HYBRID_THRESHOLD
+
+  #define X_HYBRID_THRESHOLD     100  // [mm/s]
+  #define X2_HYBRID_THRESHOLD    100
+  #define Y_HYBRID_THRESHOLD     100
+  #define Y2_HYBRID_THRESHOLD    100
+  #define Z_HYBRID_THRESHOLD       4
+  #define Z2_HYBRID_THRESHOLD      4
+  #define E0_HYBRID_THRESHOLD     30
+  #define E1_HYBRID_THRESHOLD     30
+  #define E2_HYBRID_THRESHOLD     30
+  #define E3_HYBRID_THRESHOLD     30
+  #define E4_HYBRID_THRESHOLD     30
+
+  /**
+   * Use stallGuard2 to sense an obstacle and trigger an endstop.
+   * You need to place a wire from the driver's DIAG1 pin to the X/Y endstop pin.
+   * If used along with STEALTHCHOP, the movement will be louder when homing. This is normal.
+   *
+   * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
+   * Higher values make the system LESS sensitive.
+   * Lower value make the system MORE sensitive.
+   * Too low values can lead to false positives, while too high values will collide the axis without triggering.
+   * It is advised to set X/Y_HOME_BUMP_MM to 0.
+   * M914 X/Y to live tune the setting
+   */
+  //#define SENSORLESS_HOMING
+
+  #if ENABLED(SENSORLESS_HOMING)
+    #define X_HOMING_SENSITIVITY  19
+    #define Y_HOMING_SENSITIVITY  19
+  #endif
 
   /**
    * You can set your own advanced settings by filling in predefined functions.

Marlin/example_configurations/delta/FLSUN/kossel_mini/Configuration.h

@@ -1647,7 +1647,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/delta/FLSUN/kossel_mini/Configuration_adv.h

@@ -902,18 +902,6 @@
 //#define HAVE_TMC2130
 
 #if ENABLED(HAVE_TMC2130)
-  #define STEALTHCHOP
-
-  /**
-   * Let Marlin automatically control stepper current.
-   * This is still an experimental feature.
-   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
-   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
-   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
-   */
-  //#define AUTOMATIC_CURRENT_CONTROL
-  #define CURRENT_STEP          50  // [mA]
-  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -936,45 +924,104 @@
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
   #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_MAX_CURRENT     1000  // rms current in mA
-  #define X_MICROSTEPS        16  // FULLSTEP..256
-  #define X_CHIP_SELECT       40  // Pin
+  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_MAX_CURRENT     1000
+  #define Y_CURRENT         1000
   #define Y_MICROSTEPS        16
-  #define Y_CHIP_SELECT       42
 
-  #define Z_MAX_CURRENT     1000
+  #define Z_CURRENT         1000
   #define Z_MICROSTEPS        16
-  #define Z_CHIP_SELECT       65
 
-  //#define X2_MAX_CURRENT  1000
+  //#define X2_CURRENT      1000
   //#define X2_MICROSTEPS     16
-  //#define X2_CHIP_SELECT    -1
 
-  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_CURRENT      1000
   //#define Y2_MICROSTEPS     16
-  //#define Y2_CHIP_SELECT    -1
 
-  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_CURRENT      1000
   //#define Z2_MICROSTEPS     16
-  //#define Z2_CHIP_SELECT    -1
 
-  //#define E0_MAX_CURRENT  1000
+  //#define E0_CURRENT      1000
   //#define E0_MICROSTEPS     16
-  //#define E0_CHIP_SELECT    -1
 
-  //#define E1_MAX_CURRENT  1000
+  //#define E1_CURRENT      1000
   //#define E1_MICROSTEPS     16
-  //#define E1_CHIP_SELECT    -1
 
-  //#define E2_MAX_CURRENT  1000
+  //#define E2_CURRENT      1000
   //#define E2_MICROSTEPS     16
-  //#define E2_CHIP_SELECT    -1
 
-  //#define E3_MAX_CURRENT  1000
+  //#define E3_CURRENT      1000
   //#define E3_MICROSTEPS     16
-  //#define E3_CHIP_SELECT    -1
+
+  //#define E4_CURRENT      1000
+  //#define E4_MICROSTEPS     16
+
+  /**
+   * Use Trinamic's ultra quiet stepping mode.
+   * When disabled, Marlin will use spreadCycle stepping mode.
+   */
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_CURRENT but will not increase over AUTO_ADJUST_MAX
+   * Relevant g-codes:
+   * M906 - Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given.
+   * M906 S1 - Start adjusting current
+   * M906 S0 - Stop adjusting current
+   * M911 - Report stepper driver overtemperature pre-warn condition.
+   * M912 - Clear stepper driver overtemperature pre-warn condition flag.
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+
+  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+    #define CURRENT_STEP          50  // [mA]
+    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+    #define REPORT_CURRENT_CHANGE
+  #endif
+
+  /**
+   * The driver will switch to spreadCycle when stepper speed is over HYBRID_THRESHOLD.
+   * This mode allows for faster movements at the expense of higher noise levels.
+   * STEALTHCHOP needs to be enabled.
+   * M913 X/Y/Z/E to live tune the setting
+   */
+  //#define HYBRID_THRESHOLD
+
+  #define X_HYBRID_THRESHOLD     100  // [mm/s]
+  #define X2_HYBRID_THRESHOLD    100
+  #define Y_HYBRID_THRESHOLD     100
+  #define Y2_HYBRID_THRESHOLD    100
+  #define Z_HYBRID_THRESHOLD       4
+  #define Z2_HYBRID_THRESHOLD      4
+  #define E0_HYBRID_THRESHOLD     30
+  #define E1_HYBRID_THRESHOLD     30
+  #define E2_HYBRID_THRESHOLD     30
+  #define E3_HYBRID_THRESHOLD     30
+  #define E4_HYBRID_THRESHOLD     30
+
+  /**
+   * Use stallGuard2 to sense an obstacle and trigger an endstop.
+   * You need to place a wire from the driver's DIAG1 pin to the X/Y endstop pin.
+   * If used along with STEALTHCHOP, the movement will be louder when homing. This is normal.
+   *
+   * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
+   * Higher values make the system LESS sensitive.
+   * Lower value make the system MORE sensitive.
+   * Too low values can lead to false positives, while too high values will collide the axis without triggering.
+   * It is advised to set X/Y_HOME_BUMP_MM to 0.
+   * M914 X/Y to live tune the setting
+   */
+  //#define SENSORLESS_HOMING
+
+  #if ENABLED(SENSORLESS_HOMING)
+    #define X_HOMING_SENSITIVITY  19
+    #define Y_HOMING_SENSITIVITY  19
+  #endif
 
   /**
    * You can set your own advanced settings by filling in predefined functions.

Marlin/example_configurations/delta/generic/Configuration.h

@@ -1635,7 +1635,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/delta/generic/Configuration_adv.h

@@ -900,18 +900,6 @@
 //#define HAVE_TMC2130
 
 #if ENABLED(HAVE_TMC2130)
-  #define STEALTHCHOP
-
-  /**
-   * Let Marlin automatically control stepper current.
-   * This is still an experimental feature.
-   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
-   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
-   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
-   */
-  //#define AUTOMATIC_CURRENT_CONTROL
-  #define CURRENT_STEP          50  // [mA]
-  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -934,45 +922,104 @@
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
   #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_MAX_CURRENT     1000  // rms current in mA
-  #define X_MICROSTEPS        16  // FULLSTEP..256
-  #define X_CHIP_SELECT       40  // Pin
+  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_MAX_CURRENT     1000
+  #define Y_CURRENT         1000
   #define Y_MICROSTEPS        16
-  #define Y_CHIP_SELECT       42
 
-  #define Z_MAX_CURRENT     1000
+  #define Z_CURRENT         1000
   #define Z_MICROSTEPS        16
-  #define Z_CHIP_SELECT       65
 
-  //#define X2_MAX_CURRENT  1000
+  //#define X2_CURRENT      1000
   //#define X2_MICROSTEPS     16
-  //#define X2_CHIP_SELECT    -1
 
-  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_CURRENT      1000
   //#define Y2_MICROSTEPS     16
-  //#define Y2_CHIP_SELECT    -1
 
-  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_CURRENT      1000
   //#define Z2_MICROSTEPS     16
-  //#define Z2_CHIP_SELECT    -1
 
-  //#define E0_MAX_CURRENT  1000
+  //#define E0_CURRENT      1000
   //#define E0_MICROSTEPS     16
-  //#define E0_CHIP_SELECT    -1
 
-  //#define E1_MAX_CURRENT  1000
+  //#define E1_CURRENT      1000
   //#define E1_MICROSTEPS     16
-  //#define E1_CHIP_SELECT    -1
 
-  //#define E2_MAX_CURRENT  1000
+  //#define E2_CURRENT      1000
   //#define E2_MICROSTEPS     16
-  //#define E2_CHIP_SELECT    -1
 
-  //#define E3_MAX_CURRENT  1000
+  //#define E3_CURRENT      1000
   //#define E3_MICROSTEPS     16
-  //#define E3_CHIP_SELECT    -1
+
+  //#define E4_CURRENT      1000
+  //#define E4_MICROSTEPS     16
+
+  /**
+   * Use Trinamic's ultra quiet stepping mode.
+   * When disabled, Marlin will use spreadCycle stepping mode.
+   */
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_CURRENT but will not increase over AUTO_ADJUST_MAX
+   * Relevant g-codes:
+   * M906 - Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given.
+   * M906 S1 - Start adjusting current
+   * M906 S0 - Stop adjusting current
+   * M911 - Report stepper driver overtemperature pre-warn condition.
+   * M912 - Clear stepper driver overtemperature pre-warn condition flag.
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+
+  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+    #define CURRENT_STEP          50  // [mA]
+    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+    #define REPORT_CURRENT_CHANGE
+  #endif
+
+  /**
+   * The driver will switch to spreadCycle when stepper speed is over HYBRID_THRESHOLD.
+   * This mode allows for faster movements at the expense of higher noise levels.
+   * STEALTHCHOP needs to be enabled.
+   * M913 X/Y/Z/E to live tune the setting
+   */
+  //#define HYBRID_THRESHOLD
+
+  #define X_HYBRID_THRESHOLD     100  // [mm/s]
+  #define X2_HYBRID_THRESHOLD    100
+  #define Y_HYBRID_THRESHOLD     100
+  #define Y2_HYBRID_THRESHOLD    100
+  #define Z_HYBRID_THRESHOLD       4
+  #define Z2_HYBRID_THRESHOLD      4
+  #define E0_HYBRID_THRESHOLD     30
+  #define E1_HYBRID_THRESHOLD     30
+  #define E2_HYBRID_THRESHOLD     30
+  #define E3_HYBRID_THRESHOLD     30
+  #define E4_HYBRID_THRESHOLD     30
+
+  /**
+   * Use stallGuard2 to sense an obstacle and trigger an endstop.
+   * You need to place a wire from the driver's DIAG1 pin to the X/Y endstop pin.
+   * If used along with STEALTHCHOP, the movement will be louder when homing. This is normal.
+   *
+   * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
+   * Higher values make the system LESS sensitive.
+   * Lower value make the system MORE sensitive.
+   * Too low values can lead to false positives, while too high values will collide the axis without triggering.
+   * It is advised to set X/Y_HOME_BUMP_MM to 0.
+   * M914 X/Y to live tune the setting
+   */
+  //#define SENSORLESS_HOMING
+
+  #if ENABLED(SENSORLESS_HOMING)
+    #define X_HOMING_SENSITIVITY  19
+    #define Y_HOMING_SENSITIVITY  19
+  #endif
 
   /**
    * You can set your own advanced settings by filling in predefined functions.

Marlin/example_configurations/delta/kossel_mini/Configuration.h

@@ -1631,7 +1631,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h

@@ -900,18 +900,6 @@
 //#define HAVE_TMC2130
 
 #if ENABLED(HAVE_TMC2130)
-  #define STEALTHCHOP
-
-  /**
-   * Let Marlin automatically control stepper current.
-   * This is still an experimental feature.
-   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
-   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
-   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
-   */
-  //#define AUTOMATIC_CURRENT_CONTROL
-  #define CURRENT_STEP          50  // [mA]
-  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -934,45 +922,104 @@
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
   #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_MAX_CURRENT     1000  // rms current in mA
-  #define X_MICROSTEPS        16  // FULLSTEP..256
-  #define X_CHIP_SELECT       40  // Pin
+  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_MAX_CURRENT     1000
+  #define Y_CURRENT         1000
   #define Y_MICROSTEPS        16
-  #define Y_CHIP_SELECT       42
 
-  #define Z_MAX_CURRENT     1000
+  #define Z_CURRENT         1000
   #define Z_MICROSTEPS        16
-  #define Z_CHIP_SELECT       65
 
-  //#define X2_MAX_CURRENT  1000
+  //#define X2_CURRENT      1000
   //#define X2_MICROSTEPS     16
-  //#define X2_CHIP_SELECT    -1
 
-  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_CURRENT      1000
   //#define Y2_MICROSTEPS     16
-  //#define Y2_CHIP_SELECT    -1
 
-  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_CURRENT      1000
   //#define Z2_MICROSTEPS     16
-  //#define Z2_CHIP_SELECT    -1
 
-  //#define E0_MAX_CURRENT  1000
+  //#define E0_CURRENT      1000
   //#define E0_MICROSTEPS     16
-  //#define E0_CHIP_SELECT    -1
 
-  //#define E1_MAX_CURRENT  1000
+  //#define E1_CURRENT      1000
   //#define E1_MICROSTEPS     16
-  //#define E1_CHIP_SELECT    -1
 
-  //#define E2_MAX_CURRENT  1000
+  //#define E2_CURRENT      1000
   //#define E2_MICROSTEPS     16
-  //#define E2_CHIP_SELECT    -1
 
-  //#define E3_MAX_CURRENT  1000
+  //#define E3_CURRENT      1000
   //#define E3_MICROSTEPS     16
-  //#define E3_CHIP_SELECT    -1
+
+  //#define E4_CURRENT      1000
+  //#define E4_MICROSTEPS     16
+
+  /**
+   * Use Trinamic's ultra quiet stepping mode.
+   * When disabled, Marlin will use spreadCycle stepping mode.
+   */
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_CURRENT but will not increase over AUTO_ADJUST_MAX
+   * Relevant g-codes:
+   * M906 - Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given.
+   * M906 S1 - Start adjusting current
+   * M906 S0 - Stop adjusting current
+   * M911 - Report stepper driver overtemperature pre-warn condition.
+   * M912 - Clear stepper driver overtemperature pre-warn condition flag.
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+
+  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+    #define CURRENT_STEP          50  // [mA]
+    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+    #define REPORT_CURRENT_CHANGE
+  #endif
+
+  /**
+   * The driver will switch to spreadCycle when stepper speed is over HYBRID_THRESHOLD.
+   * This mode allows for faster movements at the expense of higher noise levels.
+   * STEALTHCHOP needs to be enabled.
+   * M913 X/Y/Z/E to live tune the setting
+   */
+  //#define HYBRID_THRESHOLD
+
+  #define X_HYBRID_THRESHOLD     100  // [mm/s]
+  #define X2_HYBRID_THRESHOLD    100
+  #define Y_HYBRID_THRESHOLD     100
+  #define Y2_HYBRID_THRESHOLD    100
+  #define Z_HYBRID_THRESHOLD       4
+  #define Z2_HYBRID_THRESHOLD      4
+  #define E0_HYBRID_THRESHOLD     30
+  #define E1_HYBRID_THRESHOLD     30
+  #define E2_HYBRID_THRESHOLD     30
+  #define E3_HYBRID_THRESHOLD     30
+  #define E4_HYBRID_THRESHOLD     30
+
+  /**
+   * Use stallGuard2 to sense an obstacle and trigger an endstop.
+   * You need to place a wire from the driver's DIAG1 pin to the X/Y endstop pin.
+   * If used along with STEALTHCHOP, the movement will be louder when homing. This is normal.
+   *
+   * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
+   * Higher values make the system LESS sensitive.
+   * Lower value make the system MORE sensitive.
+   * Too low values can lead to false positives, while too high values will collide the axis without triggering.
+   * It is advised to set X/Y_HOME_BUMP_MM to 0.
+   * M914 X/Y to live tune the setting
+   */
+  //#define SENSORLESS_HOMING
+
+  #if ENABLED(SENSORLESS_HOMING)
+    #define X_HOMING_SENSITIVITY  19
+    #define Y_HOMING_SENSITIVITY  19
+  #endif
 
   /**
    * You can set your own advanced settings by filling in predefined functions.

Marlin/example_configurations/delta/kossel_pro/Configuration.h

@@ -1639,7 +1639,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h

@@ -906,18 +906,6 @@
 //#define HAVE_TMC2130
 
 #if ENABLED(HAVE_TMC2130)
-  #define STEALTHCHOP
-
-  /**
-   * Let Marlin automatically control stepper current.
-   * This is still an experimental feature.
-   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
-   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
-   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
-   */
-  //#define AUTOMATIC_CURRENT_CONTROL
-  #define CURRENT_STEP          50  // [mA]
-  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -940,45 +928,104 @@
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
   #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_MAX_CURRENT     1000  // rms current in mA
-  #define X_MICROSTEPS        16  // FULLSTEP..256
-  #define X_CHIP_SELECT       40  // Pin
+  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_MAX_CURRENT     1000
+  #define Y_CURRENT         1000
   #define Y_MICROSTEPS        16
-  #define Y_CHIP_SELECT       42
 
-  #define Z_MAX_CURRENT     1000
+  #define Z_CURRENT         1000
   #define Z_MICROSTEPS        16
-  #define Z_CHIP_SELECT       65
 
-  //#define X2_MAX_CURRENT  1000
+  //#define X2_CURRENT      1000
   //#define X2_MICROSTEPS     16
-  //#define X2_CHIP_SELECT    -1
 
-  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_CURRENT      1000
   //#define Y2_MICROSTEPS     16
-  //#define Y2_CHIP_SELECT    -1
 
-  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_CURRENT      1000
   //#define Z2_MICROSTEPS     16
-  //#define Z2_CHIP_SELECT    -1
 
-  //#define E0_MAX_CURRENT  1000
+  //#define E0_CURRENT      1000
   //#define E0_MICROSTEPS     16
-  //#define E0_CHIP_SELECT    -1
 
-  //#define E1_MAX_CURRENT  1000
+  //#define E1_CURRENT      1000
   //#define E1_MICROSTEPS     16
-  //#define E1_CHIP_SELECT    -1
 
-  //#define E2_MAX_CURRENT  1000
+  //#define E2_CURRENT      1000
   //#define E2_MICROSTEPS     16
-  //#define E2_CHIP_SELECT    -1
 
-  //#define E3_MAX_CURRENT  1000
+  //#define E3_CURRENT      1000
   //#define E3_MICROSTEPS     16
-  //#define E3_CHIP_SELECT    -1
+
+  //#define E4_CURRENT      1000
+  //#define E4_MICROSTEPS     16
+
+  /**
+   * Use Trinamic's ultra quiet stepping mode.
+   * When disabled, Marlin will use spreadCycle stepping mode.
+   */
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_CURRENT but will not increase over AUTO_ADJUST_MAX
+   * Relevant g-codes:
+   * M906 - Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given.
+   * M906 S1 - Start adjusting current
+   * M906 S0 - Stop adjusting current
+   * M911 - Report stepper driver overtemperature pre-warn condition.
+   * M912 - Clear stepper driver overtemperature pre-warn condition flag.
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+
+  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+    #define CURRENT_STEP          50  // [mA]
+    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+    #define REPORT_CURRENT_CHANGE
+  #endif
+
+  /**
+   * The driver will switch to spreadCycle when stepper speed is over HYBRID_THRESHOLD.
+   * This mode allows for faster movements at the expense of higher noise levels.
+   * STEALTHCHOP needs to be enabled.
+   * M913 X/Y/Z/E to live tune the setting
+   */
+  //#define HYBRID_THRESHOLD
+
+  #define X_HYBRID_THRESHOLD     100  // [mm/s]
+  #define X2_HYBRID_THRESHOLD    100
+  #define Y_HYBRID_THRESHOLD     100
+  #define Y2_HYBRID_THRESHOLD    100
+  #define Z_HYBRID_THRESHOLD       4
+  #define Z2_HYBRID_THRESHOLD      4
+  #define E0_HYBRID_THRESHOLD     30
+  #define E1_HYBRID_THRESHOLD     30
+  #define E2_HYBRID_THRESHOLD     30
+  #define E3_HYBRID_THRESHOLD     30
+  #define E4_HYBRID_THRESHOLD     30
+
+  /**
+   * Use stallGuard2 to sense an obstacle and trigger an endstop.
+   * You need to place a wire from the driver's DIAG1 pin to the X/Y endstop pin.
+   * If used along with STEALTHCHOP, the movement will be louder when homing. This is normal.
+   *
+   * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
+   * Higher values make the system LESS sensitive.
+   * Lower value make the system MORE sensitive.
+   * Too low values can lead to false positives, while too high values will collide the axis without triggering.
+   * It is advised to set X/Y_HOME_BUMP_MM to 0.
+   * M914 X/Y to live tune the setting
+   */
+  //#define SENSORLESS_HOMING
+
+  #if ENABLED(SENSORLESS_HOMING)
+    #define X_HOMING_SENSITIVITY  19
+    #define Y_HOMING_SENSITIVITY  19
+  #endif
 
   /**
    * You can set your own advanced settings by filling in predefined functions.

Marlin/example_configurations/delta/kossel_xl/Configuration.h

@@ -1646,7 +1646,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h

@@ -900,18 +900,6 @@
 //#define HAVE_TMC2130
 
 #if ENABLED(HAVE_TMC2130)
-  #define STEALTHCHOP
-
-  /**
-   * Let Marlin automatically control stepper current.
-   * This is still an experimental feature.
-   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
-   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
-   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
-   */
-  //#define AUTOMATIC_CURRENT_CONTROL
-  #define CURRENT_STEP          50  // [mA]
-  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -934,45 +922,104 @@
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
   #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_MAX_CURRENT     1000  // rms current in mA
-  #define X_MICROSTEPS        16  // FULLSTEP..256
-  #define X_CHIP_SELECT       40  // Pin
+  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_MAX_CURRENT     1000
+  #define Y_CURRENT         1000
   #define Y_MICROSTEPS        16
-  #define Y_CHIP_SELECT       42
 
-  #define Z_MAX_CURRENT     1000
+  #define Z_CURRENT         1000
   #define Z_MICROSTEPS        16
-  #define Z_CHIP_SELECT       65
 
-  //#define X2_MAX_CURRENT  1000
+  //#define X2_CURRENT      1000
   //#define X2_MICROSTEPS     16
-  //#define X2_CHIP_SELECT    -1
 
-  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_CURRENT      1000
   //#define Y2_MICROSTEPS     16
-  //#define Y2_CHIP_SELECT    -1
 
-  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_CURRENT      1000
   //#define Z2_MICROSTEPS     16
-  //#define Z2_CHIP_SELECT    -1
 
-  //#define E0_MAX_CURRENT  1000
+  //#define E0_CURRENT      1000
   //#define E0_MICROSTEPS     16
-  //#define E0_CHIP_SELECT    -1
 
-  //#define E1_MAX_CURRENT  1000
+  //#define E1_CURRENT      1000
   //#define E1_MICROSTEPS     16
-  //#define E1_CHIP_SELECT    -1
 
-  //#define E2_MAX_CURRENT  1000
+  //#define E2_CURRENT      1000
   //#define E2_MICROSTEPS     16
-  //#define E2_CHIP_SELECT    -1
 
-  //#define E3_MAX_CURRENT  1000
+  //#define E3_CURRENT      1000
   //#define E3_MICROSTEPS     16
-  //#define E3_CHIP_SELECT    -1
+
+  //#define E4_CURRENT      1000
+  //#define E4_MICROSTEPS     16
+
+  /**
+   * Use Trinamic's ultra quiet stepping mode.
+   * When disabled, Marlin will use spreadCycle stepping mode.
+   */
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_CURRENT but will not increase over AUTO_ADJUST_MAX
+   * Relevant g-codes:
+   * M906 - Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given.
+   * M906 S1 - Start adjusting current
+   * M906 S0 - Stop adjusting current
+   * M911 - Report stepper driver overtemperature pre-warn condition.
+   * M912 - Clear stepper driver overtemperature pre-warn condition flag.
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+
+  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+    #define CURRENT_STEP          50  // [mA]
+    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+    #define REPORT_CURRENT_CHANGE
+  #endif
+
+  /**
+   * The driver will switch to spreadCycle when stepper speed is over HYBRID_THRESHOLD.
+   * This mode allows for faster movements at the expense of higher noise levels.
+   * STEALTHCHOP needs to be enabled.
+   * M913 X/Y/Z/E to live tune the setting
+   */
+  //#define HYBRID_THRESHOLD
+
+  #define X_HYBRID_THRESHOLD     100  // [mm/s]
+  #define X2_HYBRID_THRESHOLD    100
+  #define Y_HYBRID_THRESHOLD     100
+  #define Y2_HYBRID_THRESHOLD    100
+  #define Z_HYBRID_THRESHOLD       4
+  #define Z2_HYBRID_THRESHOLD      4
+  #define E0_HYBRID_THRESHOLD     30
+  #define E1_HYBRID_THRESHOLD     30
+  #define E2_HYBRID_THRESHOLD     30
+  #define E3_HYBRID_THRESHOLD     30
+  #define E4_HYBRID_THRESHOLD     30
+
+  /**
+   * Use stallGuard2 to sense an obstacle and trigger an endstop.
+   * You need to place a wire from the driver's DIAG1 pin to the X/Y endstop pin.
+   * If used along with STEALTHCHOP, the movement will be louder when homing. This is normal.
+   *
+   * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
+   * Higher values make the system LESS sensitive.
+   * Lower value make the system MORE sensitive.
+   * Too low values can lead to false positives, while too high values will collide the axis without triggering.
+   * It is advised to set X/Y_HOME_BUMP_MM to 0.
+   * M914 X/Y to live tune the setting
+   */
+  //#define SENSORLESS_HOMING
+
+  #if ENABLED(SENSORLESS_HOMING)
+    #define X_HOMING_SENSITIVITY  19
+    #define Y_HOMING_SENSITIVITY  19
+  #endif
 
   /**
    * You can set your own advanced settings by filling in predefined functions.

Marlin/example_configurations/makibox/Configuration.h

@@ -1526,7 +1526,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/makibox/Configuration_adv.h

@@ -879,18 +879,6 @@
 //#define HAVE_TMC2130
 
 #if ENABLED(HAVE_TMC2130)
-  #define STEALTHCHOP
-
-  /**
-   * Let Marlin automatically control stepper current.
-   * This is still an experimental feature.
-   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
-   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
-   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
-   */
-  //#define AUTOMATIC_CURRENT_CONTROL
-  #define CURRENT_STEP          50  // [mA]
-  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -913,45 +901,104 @@
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
   #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_MAX_CURRENT     1000  // rms current in mA
-  #define X_MICROSTEPS        16  // FULLSTEP..256
-  #define X_CHIP_SELECT       40  // Pin
+  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_MAX_CURRENT     1000
+  #define Y_CURRENT         1000
   #define Y_MICROSTEPS        16
-  #define Y_CHIP_SELECT       42
 
-  #define Z_MAX_CURRENT     1000
+  #define Z_CURRENT         1000
   #define Z_MICROSTEPS        16
-  #define Z_CHIP_SELECT       65
 
-  //#define X2_MAX_CURRENT  1000
+  //#define X2_CURRENT      1000
   //#define X2_MICROSTEPS     16
-  //#define X2_CHIP_SELECT    -1
 
-  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_CURRENT      1000
   //#define Y2_MICROSTEPS     16
-  //#define Y2_CHIP_SELECT    -1
 
-  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_CURRENT      1000
   //#define Z2_MICROSTEPS     16
-  //#define Z2_CHIP_SELECT    -1
 
-  //#define E0_MAX_CURRENT  1000
+  //#define E0_CURRENT      1000
   //#define E0_MICROSTEPS     16
-  //#define E0_CHIP_SELECT    -1
 
-  //#define E1_MAX_CURRENT  1000
+  //#define E1_CURRENT      1000
   //#define E1_MICROSTEPS     16
-  //#define E1_CHIP_SELECT    -1
 
-  //#define E2_MAX_CURRENT  1000
+  //#define E2_CURRENT      1000
   //#define E2_MICROSTEPS     16
-  //#define E2_CHIP_SELECT    -1
 
-  //#define E3_MAX_CURRENT  1000
+  //#define E3_CURRENT      1000
   //#define E3_MICROSTEPS     16
-  //#define E3_CHIP_SELECT    -1
+
+  //#define E4_CURRENT      1000
+  //#define E4_MICROSTEPS     16
+
+  /**
+   * Use Trinamic's ultra quiet stepping mode.
+   * When disabled, Marlin will use spreadCycle stepping mode.
+   */
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_CURRENT but will not increase over AUTO_ADJUST_MAX
+   * Relevant g-codes:
+   * M906 - Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given.
+   * M906 S1 - Start adjusting current
+   * M906 S0 - Stop adjusting current
+   * M911 - Report stepper driver overtemperature pre-warn condition.
+   * M912 - Clear stepper driver overtemperature pre-warn condition flag.
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+
+  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+    #define CURRENT_STEP          50  // [mA]
+    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+    #define REPORT_CURRENT_CHANGE
+  #endif
+
+  /**
+   * The driver will switch to spreadCycle when stepper speed is over HYBRID_THRESHOLD.
+   * This mode allows for faster movements at the expense of higher noise levels.
+   * STEALTHCHOP needs to be enabled.
+   * M913 X/Y/Z/E to live tune the setting
+   */
+  //#define HYBRID_THRESHOLD
+
+  #define X_HYBRID_THRESHOLD     100  // [mm/s]
+  #define X2_HYBRID_THRESHOLD    100
+  #define Y_HYBRID_THRESHOLD     100
+  #define Y2_HYBRID_THRESHOLD    100
+  #define Z_HYBRID_THRESHOLD       4
+  #define Z2_HYBRID_THRESHOLD      4
+  #define E0_HYBRID_THRESHOLD     30
+  #define E1_HYBRID_THRESHOLD     30
+  #define E2_HYBRID_THRESHOLD     30
+  #define E3_HYBRID_THRESHOLD     30
+  #define E4_HYBRID_THRESHOLD     30
+
+  /**
+   * Use stallGuard2 to sense an obstacle and trigger an endstop.
+   * You need to place a wire from the driver's DIAG1 pin to the X/Y endstop pin.
+   * If used along with STEALTHCHOP, the movement will be louder when homing. This is normal.
+   *
+   * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
+   * Higher values make the system LESS sensitive.
+   * Lower value make the system MORE sensitive.
+   * Too low values can lead to false positives, while too high values will collide the axis without triggering.
+   * It is advised to set X/Y_HOME_BUMP_MM to 0.
+   * M914 X/Y to live tune the setting
+   */
+  //#define SENSORLESS_HOMING
+
+  #if ENABLED(SENSORLESS_HOMING)
+    #define X_HOMING_SENSITIVITY  19
+    #define Y_HOMING_SENSITIVITY  19
+  #endif
 
   /**
    * You can set your own advanced settings by filling in predefined functions.

Marlin/example_configurations/tvrrug/Round2/Configuration.h

@@ -1519,7 +1519,7 @@
  * Enable support for an RGB LED connected to 5V digital pins, or
  * an RGB Strip connected to MOSFETs controlled by digital pins.
  *
- * Adds the M150 command to set the LED (or LED strip) color. 
+ * Adds the M150 command to set the LED (or LED strip) color.
  * If pins are PWM capable (e.g., 4, 5, 6, 11) then a range of
  * luminance values can be set from 0 to 255.
  *

Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h

@@ -879,18 +879,6 @@
 //#define HAVE_TMC2130
 
 #if ENABLED(HAVE_TMC2130)
-  #define STEALTHCHOP
-
-  /**
-   * Let Marlin automatically control stepper current.
-   * This is still an experimental feature.
-   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
-   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
-   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
-   */
-  //#define AUTOMATIC_CURRENT_CONTROL
-  #define CURRENT_STEP          50  // [mA]
-  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -913,45 +901,104 @@
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
   #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_MAX_CURRENT     1000  // rms current in mA
-  #define X_MICROSTEPS        16  // FULLSTEP..256
-  #define X_CHIP_SELECT       40  // Pin
+  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_MAX_CURRENT     1000
+  #define Y_CURRENT         1000
   #define Y_MICROSTEPS        16
-  #define Y_CHIP_SELECT       42
 
-  #define Z_MAX_CURRENT     1000
+  #define Z_CURRENT         1000
   #define Z_MICROSTEPS        16
-  #define Z_CHIP_SELECT       65
 
-  //#define X2_MAX_CURRENT  1000
+  //#define X2_CURRENT      1000
   //#define X2_MICROSTEPS     16
-  //#define X2_CHIP_SELECT    -1
 
-  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_CURRENT      1000
   //#define Y2_MICROSTEPS     16
-  //#define Y2_CHIP_SELECT    -1
 
-  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_CURRENT      1000
   //#define Z2_MICROSTEPS     16
-  //#define Z2_CHIP_SELECT    -1
 
-  //#define E0_MAX_CURRENT  1000
+  //#define E0_CURRENT      1000
   //#define E0_MICROSTEPS     16
-  //#define E0_CHIP_SELECT    -1
 
-  //#define E1_MAX_CURRENT  1000
+  //#define E1_CURRENT      1000
   //#define E1_MICROSTEPS     16
-  //#define E1_CHIP_SELECT    -1
 
-  //#define E2_MAX_CURRENT  1000
+  //#define E2_CURRENT      1000
   //#define E2_MICROSTEPS     16
-  //#define E2_CHIP_SELECT    -1
 
-  //#define E3_MAX_CURRENT  1000
+  //#define E3_CURRENT      1000
   //#define E3_MICROSTEPS     16
-  //#define E3_CHIP_SELECT    -1
+
+  //#define E4_CURRENT      1000
+  //#define E4_MICROSTEPS     16
+
+  /**
+   * Use Trinamic's ultra quiet stepping mode.
+   * When disabled, Marlin will use spreadCycle stepping mode.
+   */
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_CURRENT but will not increase over AUTO_ADJUST_MAX
+   * Relevant g-codes:
+   * M906 - Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given.
+   * M906 S1 - Start adjusting current
+   * M906 S0 - Stop adjusting current
+   * M911 - Report stepper driver overtemperature pre-warn condition.
+   * M912 - Clear stepper driver overtemperature pre-warn condition flag.
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+
+  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+    #define CURRENT_STEP          50  // [mA]
+    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+    #define REPORT_CURRENT_CHANGE
+  #endif
+
+  /**
+   * The driver will switch to spreadCycle when stepper speed is over HYBRID_THRESHOLD.
+   * This mode allows for faster movements at the expense of higher noise levels.
+   * STEALTHCHOP needs to be enabled.
+   * M913 X/Y/Z/E to live tune the setting
+   */
+  //#define HYBRID_THRESHOLD
+
+  #define X_HYBRID_THRESHOLD     100  // [mm/s]
+  #define X2_HYBRID_THRESHOLD    100
+  #define Y_HYBRID_THRESHOLD     100
+  #define Y2_HYBRID_THRESHOLD    100
+  #define Z_HYBRID_THRESHOLD       4
+  #define Z2_HYBRID_THRESHOLD      4
+  #define E0_HYBRID_THRESHOLD     30
+  #define E1_HYBRID_THRESHOLD     30
+  #define E2_HYBRID_THRESHOLD     30
+  #define E3_HYBRID_THRESHOLD     30
+  #define E4_HYBRID_THRESHOLD     30
+
+  /**
+   * Use stallGuard2 to sense an obstacle and trigger an endstop.
+   * You need to place a wire from the driver's DIAG1 pin to the X/Y endstop pin.
+   * If used along with STEALTHCHOP, the movement will be louder when homing. This is normal.
+   *
+   * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
+   * Higher values make the system LESS sensitive.
+   * Lower value make the system MORE sensitive.
+   * Too low values can lead to false positives, while too high values will collide the axis without triggering.
+   * It is advised to set X/Y_HOME_BUMP_MM to 0.
+   * M914 X/Y to live tune the setting
+   */
+  //#define SENSORLESS_HOMING
+
+  #if ENABLED(SENSORLESS_HOMING)
+    #define X_HOMING_SENSITIVITY  19
+    #define Y_HOMING_SENSITIVITY  19
+  #endif
 
   /**
    * You can set your own advanced settings by filling in predefined functions.

Marlin/example_configurations/wt150/Configuration_adv.h

@@ -882,18 +882,6 @@
 //#define HAVE_TMC2130
 
 #if ENABLED(HAVE_TMC2130)
-  #define STEALTHCHOP
-
-  /**
-   * Let Marlin automatically control stepper current.
-   * This is still an experimental feature.
-   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
-   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
-   * Adjusting starts from X/Y/Z/E_MAX_CURRENT but will not increase over AUTO_ADJUST_MAX
-   */
-  //#define AUTOMATIC_CURRENT_CONTROL
-  #define CURRENT_STEP          50  // [mA]
-  #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -916,45 +904,104 @@
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
   #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_MAX_CURRENT     1000  // rms current in mA
-  #define X_MICROSTEPS        16  // FULLSTEP..256
-  #define X_CHIP_SELECT       40  // Pin
+  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_MAX_CURRENT     1000
+  #define Y_CURRENT         1000
   #define Y_MICROSTEPS        16
-  #define Y_CHIP_SELECT       42
 
-  #define Z_MAX_CURRENT     1000
+  #define Z_CURRENT         1000
   #define Z_MICROSTEPS        16
-  #define Z_CHIP_SELECT       65
 
-  //#define X2_MAX_CURRENT  1000
+  //#define X2_CURRENT      1000
   //#define X2_MICROSTEPS     16
-  //#define X2_CHIP_SELECT    -1
 
-  //#define Y2_MAX_CURRENT  1000
+  //#define Y2_CURRENT      1000
   //#define Y2_MICROSTEPS     16
-  //#define Y2_CHIP_SELECT    -1
 
-  //#define Z2_MAX_CURRENT  1000
+  //#define Z2_CURRENT      1000
   //#define Z2_MICROSTEPS     16
-  //#define Z2_CHIP_SELECT    -1
 
-  //#define E0_MAX_CURRENT  1000
+  //#define E0_CURRENT      1000
   //#define E0_MICROSTEPS     16
-  //#define E0_CHIP_SELECT    -1
 
-  //#define E1_MAX_CURRENT  1000
+  //#define E1_CURRENT      1000
   //#define E1_MICROSTEPS     16
-  //#define E1_CHIP_SELECT    -1
 
-  //#define E2_MAX_CURRENT  1000
+  //#define E2_CURRENT      1000
   //#define E2_MICROSTEPS     16
-  //#define E2_CHIP_SELECT    -1
 
-  //#define E3_MAX_CURRENT  1000
+  //#define E3_CURRENT      1000
   //#define E3_MICROSTEPS     16
-  //#define E3_CHIP_SELECT    -1
+
+  //#define E4_CURRENT      1000
+  //#define E4_MICROSTEPS     16
+
+  /**
+   * Use Trinamic's ultra quiet stepping mode.
+   * When disabled, Marlin will use spreadCycle stepping mode.
+   */
+  #define STEALTHCHOP
+
+  /**
+   * Let Marlin automatically control stepper current.
+   * This is still an experimental feature.
+   * Increase current every 5s by CURRENT_STEP until stepper temperature prewarn gets triggered,
+   * then decrease current by CURRENT_STEP until temperature prewarn is cleared.
+   * Adjusting starts from X/Y/Z/E_CURRENT but will not increase over AUTO_ADJUST_MAX
+   * Relevant g-codes:
+   * M906 - Set or get motor current in milliamps using axis codes X, Y, Z, E. Report values if no axis codes given.
+   * M906 S1 - Start adjusting current
+   * M906 S0 - Stop adjusting current
+   * M911 - Report stepper driver overtemperature pre-warn condition.
+   * M912 - Clear stepper driver overtemperature pre-warn condition flag.
+   */
+  //#define AUTOMATIC_CURRENT_CONTROL
+
+  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
+    #define CURRENT_STEP          50  // [mA]
+    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+    #define REPORT_CURRENT_CHANGE
+  #endif
+
+  /**
+   * The driver will switch to spreadCycle when stepper speed is over HYBRID_THRESHOLD.
+   * This mode allows for faster movements at the expense of higher noise levels.
+   * STEALTHCHOP needs to be enabled.
+   * M913 X/Y/Z/E to live tune the setting
+   */
+  //#define HYBRID_THRESHOLD
+
+  #define X_HYBRID_THRESHOLD     100  // [mm/s]
+  #define X2_HYBRID_THRESHOLD    100
+  #define Y_HYBRID_THRESHOLD     100
+  #define Y2_HYBRID_THRESHOLD    100
+  #define Z_HYBRID_THRESHOLD       4
+  #define Z2_HYBRID_THRESHOLD      4
+  #define E0_HYBRID_THRESHOLD     30
+  #define E1_HYBRID_THRESHOLD     30
+  #define E2_HYBRID_THRESHOLD     30
+  #define E3_HYBRID_THRESHOLD     30
+  #define E4_HYBRID_THRESHOLD     30
+
+  /**
+   * Use stallGuard2 to sense an obstacle and trigger an endstop.
+   * You need to place a wire from the driver's DIAG1 pin to the X/Y endstop pin.
+   * If used along with STEALTHCHOP, the movement will be louder when homing. This is normal.
+   *
+   * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
+   * Higher values make the system LESS sensitive.
+   * Lower value make the system MORE sensitive.
+   * Too low values can lead to false positives, while too high values will collide the axis without triggering.
+   * It is advised to set X/Y_HOME_BUMP_MM to 0.
+   * M914 X/Y to live tune the setting
+   */
+  //#define SENSORLESS_HOMING
+
+  #if ENABLED(SENSORLESS_HOMING)
+    #define X_HOMING_SENSITIVITY  19
+    #define Y_HOMING_SENSITIVITY  19
+  #endif
 
   /**
    * You can set your own advanced settings by filling in predefined functions.

Marlin/stepper_indirection.cpp

@@ -129,8 +129,9 @@
 
   #include <SPI.h>
   #include <TMC2130Stepper.h>
+  #include "enum.h"
 
-  #define _TMC2130_DEFINE(ST) TMC2130Stepper stepper##ST(ST##_ENABLE_PIN, ST##_DIR_PIN, ST##_STEP_PIN, ST##_CHIP_SELECT)
+  #define _TMC2130_DEFINE(ST) TMC2130Stepper stepper##ST(ST##_ENABLE_PIN, ST##_DIR_PIN, ST##_STEP_PIN, ST##_CS_PIN)
 
   // Stepper objects of TMC2130 steppers used
   #if ENABLED(X_IS_TMC2130)
@@ -169,61 +170,74 @@
 
   // Use internal reference voltage for current calculations. This is the default.
   // Following values from Trinamic's spreadsheet with values for a NEMA17 (42BYGHW609)
-  void tmc2130_init(TMC2130Stepper &st, const uint16_t max_current, const uint16_t microsteps) {
+  // https://www.trinamic.com/products/integrated-circuits/details/tmc2130/
+  void tmc2130_init(TMC2130Stepper &st, const uint16_t microsteps, const uint32_t thrs, const uint32_t spmm) {
     st.begin();
     st.setCurrent(st.getCurrent(), R_SENSE, HOLD_MULTIPLIER);
     st.microsteps(microsteps);
-    st.blank_time(24);
-    st.off_time(8);
+    st.blank_time(36);
+    st.off_time(5); // Only enables the driver if used with stealthChop
     st.interpolate(INTERPOLATE);
+    st.power_down_delay(128); // ~2s until driver lowers to hold current
+    st.hysterisis_start(0); // HSTRT = 1
+    st.hysterisis_low(1); // HEND = -2
+    st.diag1_active_high(1); // For sensorless homing
     #if ENABLED(STEALTHCHOP)
+      st.stealth_freq(1); // f_pwm = 2/683 f_clk
+      st.stealth_autoscale(1);
+      st.stealth_gradient(5);
+      st.stealth_amplitude(255);
       st.stealthChop(1);
-    #endif
-    #if ENABLED(SENSORLESS_HOMING)
-      st.coolstep_min_speed(1048575);
-      st.sg_stall_value(STALL_THRESHOLD);
-      st.sg_filter(1);
-      st.diag1_stall(1);
-      st.diag1_active_high(1);
+      #if ENABLED(HYBRID_THRESHOLD)
+        st.stealth_max_speed(12650000UL*st.microsteps()/(256*thrs*spmm));
+      #endif
+    #elif ENABLED(SENSORLESS_HOMING)
+      st.coolstep_min_speed(1024UL * 1024UL - 1UL);
     #endif
   }
 
-  #define _TMC2130_INIT(ST) tmc2130_init(stepper##ST, ST##_MAX_CURRENT, ST##_MICROSTEPS)
+  #define _TMC2130_INIT(ST, SPMM) tmc2130_init(stepper##ST, ST##_MICROSTEPS, ST##_HYBRID_THRESHOLD, SPMM)
 
   void tmc2130_init() {
-    delay(500); // Let power stabilize before configuring the steppers
+    constexpr uint16_t steps_per_mm[] = DEFAULT_AXIS_STEPS_PER_UNIT;
     #if ENABLED(X_IS_TMC2130)
-      _TMC2130_INIT(X);
+      _TMC2130_INIT( X, steps_per_mm[X_AXIS]);
+      #if ENABLED(SENSORLESS_HOMING)
+        stepperX.sg_stall_value(X_HOMING_SENSITIVITY);
+      #endif
     #endif
     #if ENABLED(X2_IS_TMC2130)
-      _TMC2130_INIT(X2);
+      _TMC2130_INIT(X2, steps_per_mm[X_AXIS]);
     #endif
     #if ENABLED(Y_IS_TMC2130)
-      _TMC2130_INIT(Y);
+      _TMC2130_INIT( Y, steps_per_mm[Y_AXIS]);
+      #if ENABLED(SENSORLESS_HOMING)
+        stepperY.sg_stall_value(Y_HOMING_SENSITIVITY);
+      #endif
     #endif
     #if ENABLED(Y2_IS_TMC2130)
-      _TMC2130_INIT(Y2);
+      _TMC2130_INIT(Y2, steps_per_mm[Y_AXIS]);
     #endif
     #if ENABLED(Z_IS_TMC2130)
-      _TMC2130_INIT(Z);
+      _TMC2130_INIT( Z, steps_per_mm[Z_AXIS]);
     #endif
     #if ENABLED(Z2_IS_TMC2130)
-      _TMC2130_INIT(Z2);
+      _TMC2130_INIT(Z2, steps_per_mm[Z_AXIS]);
     #endif
     #if ENABLED(E0_IS_TMC2130)
-      _TMC2130_INIT(E0);
+      _TMC2130_INIT(E0, steps_per_mm[E_AXIS]);
     #endif
     #if ENABLED(E1_IS_TMC2130)
-      _TMC2130_INIT(E1);
+      { constexpr int extruder = 1; _TMC2130_INIT(E1, steps_per_mm[E_AXIS_N]); }
     #endif
     #if ENABLED(E2_IS_TMC2130)
-      _TMC2130_INIT(E2);
+      { constexpr int extruder = 2; _TMC2130_INIT(E2, steps_per_mm[E_AXIS_N]); }
     #endif
     #if ENABLED(E3_IS_TMC2130)
-      _TMC2130_INIT(E3);
+      { constexpr int extruder = 3; _TMC2130_INIT(E3, steps_per_mm[E_AXIS_N]); }
     #endif
     #if ENABLED(E4_IS_TMC2130)
-      _TMC2130_INIT(E4);
+      { constexpr int extruder = 4; _TMC2130_INIT(E4, steps_per_mm[E_AXIS_N]); }
     #endif
 
     TMC2130_ADV()