[1.1.x] TMC driver update (#8712)

.travis.yml

@@ -52,6 +52,10 @@ install:
   - git clone https://github.com/teemuatlut/TMC2130Stepper.git
   - sudo mv TMC2130Stepper /usr/local/share/arduino/libraries/TMC2130Stepper
   #
+  # Install: TMC2208 Stepper Motor Controller library
+  - git clone https://github.com/teemuatlut/TMC2208Stepper.git
+  - sudo mv TMC2208Stepper /usr/local/share/arduino/libraries/TMC2208Stepper
+  #
   # Install: Adafruit Neopixel library
   - git clone https://github.com/adafruit/Adafruit_NeoPixel.git
   - sudo mv Adafruit_NeoPixel /usr/local/share/arduino/libraries/Adafruit_NeoPixel
@@ -345,7 +349,14 @@ script:
   - use_example_configs SCARA
   - opt_enable AUTO_BED_LEVELING_BILINEAR FIX_MOUNTED_PROBE USE_ZMIN_PLUG EEPROM_SETTINGS EEPROM_CHITCHAT ULTIMAKERCONTROLLER
   - opt_enable_adv HAVE_TMC2130 X_IS_TMC2130 Y_IS_TMC2130 Z_IS_TMC2130
-  - opt_enable_adv AUTOMATIC_CURRENT_CONTROL STEALTHCHOP HYBRID_THRESHOLD SENSORLESS_HOMING
+  - opt_enable_adv MONITOR_DRIVER_STATUS STEALTHCHOP HYBRID_THRESHOLD TMC_DEBUG SENSORLESS_HOMING
+  - build_marlin
+  #
+  # TMC2208 Config
+  #
+  - restore_configs
+  - opt_enable_adv HAVE_TMC2208 X_IS_TMC2208 Y_IS_TMC2208 Z_IS_TMC2208
+  - opt_enable_adv MONITOR_DRIVER_STATUS STEALTHCHOP HYBRID_THRESHOLD TMC_DEBUG
   - build_marlin
   #
   # tvrrug Config need to check board type for sanguino atmega644p

Marlin/Configuration_adv.h

@@ -976,7 +976,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -990,7 +990,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1005,46 +1017,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1053,24 +1077,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1085,8 +1107,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1096,7 +1118,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1105,27 +1127,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/MarlinConfig.h

@@ -29,6 +29,7 @@
 #include "Version.h"
 #include "Configuration.h"
 #include "Conditionals_LCD.h"
+#include "tmc_macros.h"
 #include "Configuration_adv.h"
 #include "pins.h"
 #ifndef USBCON

Marlin/SanityCheck.h

@@ -1404,23 +1404,45 @@ static_assert(1 >= 0
 /**
  * Make sure HAVE_TMC2130 is warranted
  */
-#if ENABLED(HAVE_TMC2130)
-  #if !( 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 ) \
-      || ENABLED( E4_IS_TMC2130 ) \
-  )
-    #error "HAVE_TMC2130 requires at least one TMC2130 stepper to be set."
-  #elif ENABLED(HYBRID_THRESHOLD) && DISABLED(STEALTHCHOP)
-    #error "Enable STEALTHCHOP to use HYBRID_THRESHOLD."
-  #endif
+#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 ) \
+    || ENABLED( E4_IS_TMC2130 ) )
+  #error "HAVE_TMC2130 requires at least one TMC2130 stepper to be set."
+#elif ENABLED(SENSORLESS_HOMING) && DISABLED(HAVE_TMC2130)
+  #error "Enable HAVE_TMC2130 to use SENSORLESS_HOMING."
+#elif defined(AUTOMATIC_CURRENT_CONTROL)
+  #error "AUTOMATIC_CURRENT_CONTROL is now MONITOR_DRIVER_STATUS. Please update your configuration."
+#endif
+
+/**
+ * Make sure HAVE_TMC2208 is warranted
+ */
+
+#if ENABLED(HAVE_TMC2208) && !( \
+       ENABLED(  X_IS_TMC2208 ) \
+    || ENABLED( X2_IS_TMC2208 ) \
+    || ENABLED(  Y_IS_TMC2208 ) \
+    || ENABLED( Y2_IS_TMC2208 ) \
+    || ENABLED(  Z_IS_TMC2208 ) \
+    || ENABLED( Z2_IS_TMC2208 ) \
+    || ENABLED( E0_IS_TMC2208 ) \
+    || ENABLED( E1_IS_TMC2208 ) \
+    || ENABLED( E2_IS_TMC2208 ) \
+    || ENABLED( E3_IS_TMC2208 ) )
+  #error "HAVE_TMC2208 requires at least one TMC2208 stepper to be set."
+#endif
+
+#if ENABLED(HYBRID_THRESHOLD) && DISABLED(STEALTHCHOP)
+  #error "Enable STEALTHCHOP to use HYBRID_THRESHOLD."
 #endif
 
 /**

Marlin/configuration_store.cpp

@@ -36,13 +36,13 @@
  *
  */
 
-#define EEPROM_VERSION "V46"
+#define EEPROM_VERSION "V47"
 
 // Change EEPROM version if these are changed:
 #define EEPROM_OFFSET 100
 
 /**
- * V46 EEPROM Layout:
+ * V47 EEPROM Layout:
  *
  *  100  Version                                    (char x4)
  *  104  EEPROM CRC16                               (uint16_t)
@@ -141,7 +141,7 @@
  *  539  M200 D    parser.volumetric_enabled        (bool)
  *  540  M200 T D  planner.filament_size            (float x5) (T0..3)
  *
- * HAVE_TMC2130:                                    22 bytes
+ * HAVE_TMC2130 || HAVE_TMC2208:                    22 bytes
  *  560  M906 X    Stepper X current                (uint16_t)
  *  562  M906 Y    Stepper Y current                (uint16_t)
  *  564  M906 Z    Stepper Z current                (uint16_t)
@@ -154,25 +154,29 @@
  *  578  M906 E3   Stepper E3 current               (uint16_t)
  *  580  M906 E4   Stepper E4 current               (uint16_t)
  *
+ * SENSORLESS HOMING                                4 bytes
+ *  582  M914 X    Stepper X and X2 threshold       (int16_t)
+ *  584  M914 Y    Stepper Y and Y2 threshold       (int16_t)
+ *
  * LIN_ADVANCE:                                     8 bytes
- *  582  M900 K    extruder_advance_k               (float)
- *  586  M900 WHD  advance_ed_ratio                 (float)
+ *  586  M900 K    extruder_advance_k               (float)
+ *  590  M900 WHD  advance_ed_ratio                 (float)
  *
  * HAS_MOTOR_CURRENT_PWM:
- *  590  M907 X    Stepper XY current               (uint32_t)
- *  594  M907 Z    Stepper Z current                (uint32_t)
- *  598  M907 E    Stepper E current                (uint32_t)
+ *  594  M907 X    Stepper XY current               (uint32_t)
+ *  598  M907 Z    Stepper Z current                (uint32_t)
+ *  602  M907 E    Stepper E current                (uint32_t)
  *
  * CNC_COORDINATE_SYSTEMS                           108 bytes
- *  602  G54-G59.3 coordinate_system                (float x 27)
+ *  606  G54-G59.3 coordinate_system                (float x 27)
  *
  * SKEW_CORRECTION:                                 12 bytes
- *  710  M852 I    planner.xy_skew_factor           (float)
- *  714  M852 J    planner.xz_skew_factor           (float)
- *  718  M852 K    planner.yz_skew_factor           (float)
+ *  714  M852 I    planner.xy_skew_factor           (float)
+ *  718  M852 J    planner.xz_skew_factor           (float)
+ *  722  M852 K    planner.yz_skew_factor           (float)
  *
- *  722                                   Minimum end-point
- * 2251 (722 + 208 + 36 + 9 + 288 + 988)  Maximum end-point
+ *  726                                   Minimum end-point
+ * 2255 (726 + 208 + 36 + 9 + 288 + 988)  Maximum end-point
  *
  * ========================================================================
  * meshes_begin (between max and min end-point, directly above)
@@ -199,7 +203,7 @@ MarlinSettings settings;
   #include "mesh_bed_leveling.h"
 #endif
 
-#if ENABLED(HAVE_TMC2130)
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
   #include "stepper_indirection.h"
 #endif
 
@@ -570,70 +574,70 @@ void MarlinSettings::postprocess() {
       EEPROM_WRITE(dummy);
     }
 
-    // Save TMC2130 Configuration, and placeholder values
+    // Save TMC2130 or TMC2208 Configuration, and placeholder values
     uint16_t val;
-    #if ENABLED(HAVE_TMC2130)
-      #if ENABLED(X_IS_TMC2130)
+    #if HAS_TRINAMIC
+      #if X_IS_TRINAMIC
         val = stepperX.getCurrent();
       #else
         val = 0;
       #endif
       EEPROM_WRITE(val);
-      #if ENABLED(Y_IS_TMC2130)
+      #if Y_IS_TRINAMIC
         val = stepperY.getCurrent();
       #else
         val = 0;
       #endif
       EEPROM_WRITE(val);
-      #if ENABLED(Z_IS_TMC2130)
+      #if Z_IS_TRINAMIC
         val = stepperZ.getCurrent();
       #else
         val = 0;
       #endif
       EEPROM_WRITE(val);
-      #if ENABLED(X2_IS_TMC2130)
+      #if X2_IS_TRINAMIC
         val = stepperX2.getCurrent();
       #else
         val = 0;
       #endif
       EEPROM_WRITE(val);
-      #if ENABLED(Y2_IS_TMC2130)
+      #if Y2_IS_TRINAMIC
         val = stepperY2.getCurrent();
       #else
         val = 0;
       #endif
       EEPROM_WRITE(val);
-      #if ENABLED(Z2_IS_TMC2130)
+      #if Z2_IS_TRINAMIC
         val = stepperZ2.getCurrent();
       #else
         val = 0;
       #endif
       EEPROM_WRITE(val);
-      #if ENABLED(E0_IS_TMC2130)
+      #if E0_IS_TRINAMIC
         val = stepperE0.getCurrent();
       #else
         val = 0;
       #endif
       EEPROM_WRITE(val);
-      #if ENABLED(E1_IS_TMC2130)
+      #if E1_IS_TRINAMIC
         val = stepperE1.getCurrent();
       #else
         val = 0;
       #endif
       EEPROM_WRITE(val);
-      #if ENABLED(E2_IS_TMC2130)
+      #if E2_IS_TRINAMIC
         val = stepperE2.getCurrent();
       #else
         val = 0;
       #endif
       EEPROM_WRITE(val);
-      #if ENABLED(E3_IS_TMC2130)
+      #if E3_IS_TRINAMIC
         val = stepperE3.getCurrent();
       #else
         val = 0;
       #endif
       EEPROM_WRITE(val);
-      #if ENABLED(E4_IS_TMC2130)
+      #if E4_IS_TRINAMIC
         val = stepperE4.getCurrent();
       #else
         val = 0;
@@ -645,6 +649,28 @@ void MarlinSettings::postprocess() {
     #endif
 
     //
+    // TMC2130 Sensorless homing threshold
+    //
+    int16_t thrs;
+    #if ENABLED(SENSORLESS_HOMING)
+      #if ENABLED(X_IS_TMC2130)
+        thrs = stepperX.sgt();
+      #else
+        thrs = 0;
+      #endif
+      EEPROM_WRITE(thrs);
+      #if ENABLED(Y_IS_TMC2130)
+        thrs = stepperY.sgt();
+      #else
+        thrs = 0;
+      #endif
+      EEPROM_WRITE(thrs);
+    #else
+      thrs = 0;
+      for (uint8_t q = 2; q--;) EEPROM_WRITE(thrs);
+    #endif
+
+    //
     // Linear Advance
     //
 
@@ -1039,55 +1065,80 @@ void MarlinSettings::postprocess() {
       //
 
       uint16_t val;
-      #if ENABLED(HAVE_TMC2130)
+      #if HAS_TRINAMIC
         EEPROM_READ(val);
-        #if ENABLED(X_IS_TMC2130)
+        #if X_IS_TRINAMIC
           stepperX.setCurrent(val, R_SENSE, HOLD_MULTIPLIER);
         #endif
         EEPROM_READ(val);
-        #if ENABLED(Y_IS_TMC2130)
+        #if Y_IS_TRINAMIC
           stepperY.setCurrent(val, R_SENSE, HOLD_MULTIPLIER);
         #endif
         EEPROM_READ(val);
-        #if ENABLED(Z_IS_TMC2130)
+        #if Z_IS_TRINAMIC
           stepperZ.setCurrent(val, R_SENSE, HOLD_MULTIPLIER);
         #endif
         EEPROM_READ(val);
-        #if ENABLED(X2_IS_TMC2130)
+        #if X2_IS_TRINAMIC
           stepperX2.setCurrent(val, R_SENSE, HOLD_MULTIPLIER);
         #endif
         EEPROM_READ(val);
-        #if ENABLED(Y2_IS_TMC2130)
+        #if Y2_IS_TRINAMIC
           stepperY2.setCurrent(val, R_SENSE, HOLD_MULTIPLIER);
         #endif
         EEPROM_READ(val);
-        #if ENABLED(Z2_IS_TMC2130)
+        #if Z2_IS_TRINAMIC
           stepperZ2.setCurrent(val, R_SENSE, HOLD_MULTIPLIER);
         #endif
         EEPROM_READ(val);
-        #if ENABLED(E0_IS_TMC2130)
+        #if E0_IS_TRINAMIC
           stepperE0.setCurrent(val, R_SENSE, HOLD_MULTIPLIER);
         #endif
         EEPROM_READ(val);
-        #if ENABLED(E1_IS_TMC2130)
+        #if E1_IS_TRINAMIC
           stepperE1.setCurrent(val, R_SENSE, HOLD_MULTIPLIER);
         #endif
         EEPROM_READ(val);
-        #if ENABLED(E2_IS_TMC2130)
+        #if E2_IS_TRINAMIC
           stepperE2.setCurrent(val, R_SENSE, HOLD_MULTIPLIER);
         #endif
         EEPROM_READ(val);
-        #if ENABLED(E3_IS_TMC2130)
+        #if E3_IS_TRINAMIC
           stepperE3.setCurrent(val, R_SENSE, HOLD_MULTIPLIER);
         #endif
         EEPROM_READ(val);
-        #if ENABLED(E4_IS_TMC2130)
+        #if E4_IS_TRINAMIC
           stepperE4.setCurrent(val, R_SENSE, HOLD_MULTIPLIER);
         #endif
       #else
         for (uint8_t q = 11; q--;) EEPROM_READ(val);
       #endif
 
+      /*
+       * TMC2130 Sensorless homing threshold.
+       * X and X2 use the same value
+       * Y and Y2 use the same value
+       */
+      int16_t thrs;
+      #if ENABLED(SENSORLESS_HOMING)
+        EEPROM_READ(thrs);
+        #if ENABLED(X_IS_TMC2130)
+          stepperX.sgt(thrs);
+        #endif
+        #if ENABLED(X2_IS_TMC2130)
+          stepperX2.sgt(thrs);
+        #endif
+        EEPROM_READ(thrs);
+        #if ENABLED(Y_IS_TMC2130)
+          stepperY.sgt(thrs);
+        #endif
+        #if ENABLED(Y2_IS_TMC2130)
+          stepperY2.sgt(thrs);
+        #endif
+      #else
+        for (uint8_t q = 0; q < 2; q++) EEPROM_READ(thrs);
+      #endif
+
       //
       // Linear Advance
       //
@@ -1469,36 +1520,52 @@ void MarlinSettings::reset() {
     #endif
   );
 
-  #if ENABLED(HAVE_TMC2130)
+  #if X_IS_TRINAMIC
+    stepperX.setCurrent(X_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+  #endif
+  #if Y_IS_TRINAMIC
+    stepperY.setCurrent(Y_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+  #endif
+  #if Z_IS_TRINAMIC
+    stepperZ.setCurrent(Z_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+  #endif
+  #if X2_IS_TRINAMIC
+    stepperX2.setCurrent(X2_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+  #endif
+  #if Y2_IS_TRINAMIC
+    stepperY2.setCurrent(Y2_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+  #endif
+  #if Z2_IS_TRINAMIC
+    stepperZ2.setCurrent(Z2_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+  #endif
+  #if E0_IS_TRINAMIC
+    stepperE0.setCurrent(E0_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+  #endif
+  #if E1_IS_TRINAMIC
+    stepperE1.setCurrent(E1_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+  #endif
+  #if E2_IS_TRINAMIC
+    stepperE2.setCurrent(E2_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+  #endif
+  #if E3_IS_TRINAMIC
+    stepperE3.setCurrent(E3_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+  #endif
+  #if E4_IS_TRINAMIC
+    stepperE4.setCurrent(E4_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+  #endif
+
+  #if ENABLED(SENSORLESS_HOMING)
     #if ENABLED(X_IS_TMC2130)
-      stepperX.setCurrent(X_CURRENT, R_SENSE, HOLD_MULTIPLIER);
-    #endif
-    #if ENABLED(Y_IS_TMC2130)
-      stepperY.setCurrent(Y_CURRENT, R_SENSE, HOLD_MULTIPLIER);
-    #endif
-    #if ENABLED(Z_IS_TMC2130)
-      stepperZ.setCurrent(Z_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+      stepperX.sgt(X_HOMING_SENSITIVITY);
     #endif
     #if ENABLED(X2_IS_TMC2130)
-      stepperX2.setCurrent(X2_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+      stepperX2.sgt(X_HOMING_SENSITIVITY);
     #endif
-    #if ENABLED(Y2_IS_TMC2130)
-      stepperY2.setCurrent(Y2_CURRENT, R_SENSE, HOLD_MULTIPLIER);
-    #endif
-    #if ENABLED(Z2_IS_TMC2130)
-      stepperZ2.setCurrent(Z2_CURRENT, R_SENSE, HOLD_MULTIPLIER);
-    #endif
-    #if ENABLED(E0_IS_TMC2130)
-      stepperE0.setCurrent(E0_CURRENT, R_SENSE, HOLD_MULTIPLIER);
-    #endif
-    #if ENABLED(E1_IS_TMC2130)
-      stepperE1.setCurrent(E1_CURRENT, R_SENSE, HOLD_MULTIPLIER);
-    #endif
-    #if ENABLED(E2_IS_TMC2130)
-      stepperE2.setCurrent(E2_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+    #if ENABLED(Y_IS_TMC2130)
+      stepperY.sgt(Y_HOMING_SENSITIVITY);
     #endif
-    #if ENABLED(E3_IS_TMC2130)
-      stepperE3.setCurrent(E3_CURRENT, R_SENSE, HOLD_MULTIPLIER);
+    #if ENABLED(Y2_IS_TMC2130)
+      stepperY2.sgt(Y_HOMING_SENSITIVITY);
     #endif
   #endif
 
@@ -1982,35 +2049,63 @@ void MarlinSettings::reset() {
       }
       CONFIG_ECHO_START;
       SERIAL_ECHO("  M906");
-      #if ENABLED(X_IS_TMC2130)
-        SERIAL_ECHOPAIR(" X", stepperX.getCurrent());
+      #if ENABLED(X_IS_TMC2130) || ENABLED(X_IS_TMC2208)
+        SERIAL_ECHOPAIR(" X ", stepperX.getCurrent());
       #endif
-      #if ENABLED(Y_IS_TMC2130)
-        SERIAL_ECHOPAIR(" Y", stepperY.getCurrent());
+      #if ENABLED(Y_IS_TMC2130) || ENABLED(Y_IS_TMC2208)
+        SERIAL_ECHOPAIR(" Y ", stepperY.getCurrent());
       #endif
-      #if ENABLED(Z_IS_TMC2130)
-        SERIAL_ECHOPAIR(" Z", stepperZ.getCurrent());
+      #if ENABLED(Z_IS_TMC2130) || ENABLED(Z_IS_TMC2208)
+        SERIAL_ECHOPAIR(" Z ", stepperZ.getCurrent());
       #endif
-      #if ENABLED(X2_IS_TMC2130)
-        SERIAL_ECHOPAIR(" X2", stepperX2.getCurrent());
+      #if ENABLED(X2_IS_TMC2130) || ENABLED(X2_IS_TMC2208)
+        SERIAL_ECHOPAIR(" X2 ", stepperX2.getCurrent());
       #endif
-      #if ENABLED(Y2_IS_TMC2130)
-        SERIAL_ECHOPAIR(" Y2", stepperY2.getCurrent());
+      #if ENABLED(Y2_IS_TMC2130) || ENABLED(Y2_IS_TMC2208)
+        SERIAL_ECHOPAIR(" Y2 ", stepperY2.getCurrent());
       #endif
-      #if ENABLED(Z2_IS_TMC2130)
-        SERIAL_ECHOPAIR(" Z2", stepperZ2.getCurrent());
+      #if ENABLED(Z2_IS_TMC2130) || ENABLED(Z2_IS_TMC2208)
+        SERIAL_ECHOPAIR(" Z2 ", stepperZ2.getCurrent());
       #endif
-      #if ENABLED(E0_IS_TMC2130)
-        SERIAL_ECHOPAIR(" E0", stepperE0.getCurrent());
+      #if ENABLED(E0_IS_TMC2130) || ENABLED(E0_IS_TMC2208)
+        SERIAL_ECHOPAIR(" E0 ", stepperE0.getCurrent());
       #endif
-      #if ENABLED(E1_IS_TMC2130)
-        SERIAL_ECHOPAIR(" E1", stepperE1.getCurrent());
+      #if ENABLED(E1_IS_TMC2130) || ENABLED(E1_IS_TMC2208)
+        SERIAL_ECHOPAIR(" E1 ", stepperE1.getCurrent());
       #endif
-      #if ENABLED(E2_IS_TMC2130)
-        SERIAL_ECHOPAIR(" E2", stepperE2.getCurrent());
+      #if ENABLED(E2_IS_TMC2130) || ENABLED(E2_IS_TMC2208)
+        SERIAL_ECHOPAIR(" E2 ", stepperE2.getCurrent());
       #endif
-      #if ENABLED(E3_IS_TMC2130)
-        SERIAL_ECHOPAIR(" E3", stepperE3.getCurrent());
+      #if ENABLED(E3_IS_TMC2130) || ENABLED(E3_IS_TMC2208)
+        SERIAL_ECHOPAIR(" E3 ", stepperE3.getCurrent());
+      #endif
+      #if ENABLED(E4_IS_TMC2130) || ENABLED(E4_IS_TMC2208)
+        SERIAL_ECHOPAIR(" E4 ", stepperE4.getCurrent());
+      #endif
+      SERIAL_EOL();
+    #endif
+
+    /**
+     * TMC2130 Sensorless homing thresholds
+     */
+    #if ENABLED(HAVE_TMC2130) && ENABLED(SENSORLESS_HOMING)
+      if (!forReplay) {
+        CONFIG_ECHO_START;
+        SERIAL_ECHOLNPGM("Sensorless homing threshold:");
+      }
+      CONFIG_ECHO_START;
+      SERIAL_ECHO("  M914");
+      #if ENABLED(X_IS_TMC2130)
+        SERIAL_ECHOPAIR(" X", stepperX.sgt());
+      #endif
+      #if ENABLED(X2_IS_TMC2130)
+        SERIAL_ECHOPAIR(" X2 ", stepperX2.sgt());
+      #endif
+      #if ENABLED(Y_IS_TMC2130)
+        SERIAL_ECHOPAIR(" Y", stepperY.sgt());
+      #endif
+      #if ENABLED(X2_IS_TMC2130)
+        SERIAL_ECHOPAIR(" Y2 ", stepperY2.sgt());
       #endif
       SERIAL_EOL();
     #endif

Marlin/example_configurations/AlephObjects/TAZ4/Configuration_adv.h

@@ -976,7 +976,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -990,7 +990,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1005,46 +1017,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1053,24 +1077,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1085,8 +1107,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1096,7 +1118,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1105,27 +1127,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/Anet/A6/Configuration_adv.h

@@ -976,7 +976,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -990,7 +990,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1005,46 +1017,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1053,24 +1077,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1085,8 +1107,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1096,7 +1118,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1105,27 +1127,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/Anet/A8/Configuration_adv.h

@@ -976,7 +976,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -990,7 +990,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1005,46 +1017,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1053,24 +1077,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1085,8 +1107,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1096,7 +1118,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1105,27 +1127,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/BQ/Hephestos/Configuration_adv.h

@@ -976,7 +976,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -990,7 +990,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1005,46 +1017,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1053,24 +1077,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1085,8 +1107,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1096,7 +1118,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1105,27 +1127,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/BQ/Hephestos_2/Configuration_adv.h

@@ -976,7 +976,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -990,7 +990,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1005,46 +1017,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1053,24 +1077,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1085,8 +1107,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1096,7 +1118,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1105,27 +1127,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/BQ/WITBOX/Configuration_adv.h

@@ -976,7 +976,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -990,7 +990,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1005,46 +1017,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1053,24 +1077,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1085,8 +1107,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1096,7 +1118,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1105,27 +1127,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/Cartesio/Configuration_adv.h

@@ -976,7 +976,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -990,7 +990,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1005,46 +1017,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1053,24 +1077,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1085,8 +1107,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1096,7 +1118,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1105,27 +1127,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/Creality/CR-10/Configuration_adv.h

@@ -976,7 +976,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -990,7 +990,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1005,46 +1017,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1053,24 +1077,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1085,8 +1107,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1096,7 +1118,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1105,27 +1127,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/Felix/Configuration_adv.h

@@ -976,7 +976,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -990,7 +990,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1005,46 +1017,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1053,24 +1077,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1085,8 +1107,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1096,7 +1118,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1105,27 +1127,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/FolgerTech/i3-2020/Configuration_adv.h

@@ -976,7 +976,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -990,7 +990,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1005,46 +1017,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1053,24 +1077,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1085,8 +1107,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1096,7 +1118,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1105,27 +1127,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/Infitary/i3-M508/Configuration_adv.h

@@ -976,7 +976,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -990,7 +990,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1005,46 +1017,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1053,24 +1077,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1085,8 +1107,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1096,7 +1118,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1105,27 +1127,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/Malyan/M150/Configuration_adv.h

@@ -976,7 +976,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -990,7 +990,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1005,46 +1017,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1053,24 +1077,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1085,8 +1107,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1096,7 +1118,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1105,27 +1127,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/Micromake/C1/enhanced/Configuration_adv.h

@@ -977,7 +977,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -991,7 +991,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1006,46 +1018,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1054,24 +1078,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1086,8 +1108,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1097,7 +1119,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1106,27 +1128,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/RigidBot/Configuration_adv.h

@@ -976,7 +976,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -990,7 +990,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1005,46 +1017,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1053,24 +1077,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1085,8 +1107,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1096,7 +1118,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1105,27 +1127,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/SCARA/Configuration_adv.h

@@ -976,7 +976,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -990,7 +990,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1005,46 +1017,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1053,24 +1077,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1085,8 +1107,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1096,7 +1118,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1105,27 +1127,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/Sanguinololu/Configuration_adv.h

@@ -943,7 +943,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -957,7 +957,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -972,46 +984,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1020,24 +1044,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1052,8 +1074,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1063,7 +1085,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1072,27 +1094,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/TinyBoy2/Configuration_adv.h

@@ -976,7 +976,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -990,7 +990,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1005,46 +1017,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1053,24 +1077,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1085,8 +1107,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1096,7 +1118,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1105,27 +1127,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/Velleman/K8200/Configuration_adv.h

@@ -987,7 +987,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -1001,7 +1001,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1016,46 +1028,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1064,24 +1088,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1096,8 +1118,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1107,7 +1129,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1116,27 +1138,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/Velleman/K8400/Configuration_adv.h

@@ -976,7 +976,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -990,7 +990,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1005,46 +1017,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1053,24 +1077,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1085,8 +1107,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1096,7 +1118,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1105,27 +1127,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/Wanhao/Duplicator 6/Configuration_adv.h

@@ -978,7 +978,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -992,7 +992,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1007,46 +1019,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1055,24 +1079,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1087,8 +1109,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1098,7 +1120,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1107,27 +1129,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

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

@@ -978,7 +978,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -992,7 +992,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1007,46 +1019,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1055,24 +1079,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1087,8 +1109,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1098,7 +1120,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1107,27 +1129,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

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

@@ -978,7 +978,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -992,7 +992,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1007,46 +1019,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1055,24 +1079,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1087,8 +1109,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1098,7 +1120,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1107,27 +1129,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/delta/generic/Configuration_adv.h

@@ -978,7 +978,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -992,7 +992,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1007,46 +1019,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1055,24 +1079,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1087,8 +1109,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1098,7 +1120,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1107,27 +1129,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/delta/kossel_mini/Configuration_adv.h

@@ -978,7 +978,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -992,7 +992,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1007,46 +1019,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1055,24 +1079,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1087,8 +1109,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1098,7 +1120,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1107,27 +1129,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/delta/kossel_pro/Configuration_adv.h

@@ -983,7 +983,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -997,7 +997,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1012,46 +1024,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1060,24 +1084,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1092,8 +1114,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1103,7 +1125,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1112,27 +1134,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/delta/kossel_xl/Configuration_adv.h

@@ -978,7 +978,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -992,7 +992,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1007,46 +1019,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1055,24 +1079,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1087,8 +1109,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1098,7 +1120,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1107,27 +1129,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/gCreate/gMax1.5+/Configuration_adv.h

@@ -976,7 +976,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -990,7 +990,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1005,46 +1017,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1053,24 +1077,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1085,8 +1107,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1096,7 +1118,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1105,27 +1127,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/makibox/Configuration_adv.h

@@ -976,7 +976,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -990,7 +990,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1005,46 +1017,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1053,24 +1077,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1085,8 +1107,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1096,7 +1118,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1105,27 +1127,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/tvrrug/Round2/Configuration_adv.h

@@ -976,7 +976,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -990,7 +990,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -1005,46 +1017,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1053,24 +1077,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1085,8 +1107,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1096,7 +1118,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1105,27 +1127,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/example_configurations/wt150/Configuration_adv.h

@@ -966,7 +966,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -980,7 +980,19 @@
  */
 //#define HAVE_TMC2130
 
-#if ENABLED(HAVE_TMC2130)
+/**
+ * Enable this for SilentStepStick Trinamic TMC2208 UART-configurable stepper drivers.
+ * Connect #_SERIAL_TX_PIN to the driver side PDN_UART pin.
+ * To use the reading capabilities, also connect #_SERIAL_RX_PIN
+ * to #_SERIAL_TX_PIN with a 1K resistor.
+ * The drivers can also be used with hardware serial.
+ *
+ * You'll also need the TMC2208Stepper Arduino library
+ * (https://github.com/teemuatlut/TMC2208Stepper).
+ */
+//#define HAVE_TMC2208
+
+#if ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208)
 
   // CHOOSE YOUR MOTORS HERE, THIS IS MANDATORY
   //#define X_IS_TMC2130
@@ -995,46 +1007,58 @@
   //#define E3_IS_TMC2130
   //#define E4_IS_TMC2130
 
+  //#define X_IS_TMC2208
+  //#define X2_IS_TMC2208
+  //#define Y_IS_TMC2208
+  //#define Y2_IS_TMC2208
+  //#define Z_IS_TMC2208
+  //#define Z2_IS_TMC2208
+  //#define E0_IS_TMC2208
+  //#define E1_IS_TMC2208
+  //#define E2_IS_TMC2208
+  //#define E3_IS_TMC2208
+  //#define E4_IS_TMC2208
+
   /**
    * Stepper driver settings
    */
 
   #define R_SENSE           0.11  // R_sense resistor for SilentStepStick2130
   #define HOLD_MULTIPLIER    0.5  // Scales down the holding current from run current
-  #define INTERPOLATE          1  // Interpolate X/Y/Z_MICROSTEPS to 256
+  #define INTERPOLATE       true  // Interpolate X/Y/Z_MICROSTEPS to 256
 
-  #define X_CURRENT         1000  // rms current in mA. Multiply by 1.41 for peak current.
+  #define X_CURRENT          800  // rms current in mA. Multiply by 1.41 for peak current.
   #define X_MICROSTEPS        16  // 0..256
 
-  #define Y_CURRENT         1000
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT         1000
+  #define Z_CURRENT          800
   #define Z_MICROSTEPS        16
 
-  //#define X2_CURRENT      1000
-  //#define X2_MICROSTEPS     16
+  #define X2_CURRENT         800
+  #define X2_MICROSTEPS       16
 
-  //#define Y2_CURRENT      1000
-  //#define Y2_MICROSTEPS     16
+  #define Y2_CURRENT         800
+  #define Y2_MICROSTEPS       16
 
-  //#define Z2_CURRENT      1000
-  //#define Z2_MICROSTEPS     16
+  #define Z2_CURRENT         800
+  #define Z2_MICROSTEPS       16
 
-  //#define E0_CURRENT      1000
-  //#define E0_MICROSTEPS     16
+  #define E0_CURRENT         800
+  #define E0_MICROSTEPS       16
 
-  //#define E1_CURRENT      1000
-  //#define E1_MICROSTEPS     16
+  #define E1_CURRENT         800
+  #define E1_MICROSTEPS       16
 
-  //#define E2_CURRENT      1000
-  //#define E2_MICROSTEPS     16
+  #define E2_CURRENT         800
+  #define E2_MICROSTEPS       16
 
-  //#define E3_CURRENT      1000
-  //#define E3_MICROSTEPS     16
+  #define E3_CURRENT         800
+  #define E3_MICROSTEPS       16
 
-  //#define E4_CURRENT      1000
-  //#define E4_MICROSTEPS     16
+  #define E4_CURRENT         800
+  #define E4_MICROSTEPS       16
 
   /**
    * Use Trinamic's ultra quiet stepping mode.
@@ -1043,24 +1067,22 @@
   #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
+   * Monitor Trinamic TMC2130 and TMC2208 drivers for error conditions,
+   * like overtemperature and short to ground. TMC2208 requires hardware serial.
+   * In the case of overtemperature Marlin can decrease the driver current until error condition clears.
+   * Other detected conditions can be used to stop the current print.
    * 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.
+   * M122 S0/1 - Report driver parameters (Requires TMC_DEBUG)
    */
-  //#define AUTOMATIC_CURRENT_CONTROL
+  //#define MONITOR_DRIVER_STATUS
 
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    #define CURRENT_STEP          50  // [mA]
-    #define AUTO_ADJUST_MAX     1300  // [mA], 1300mA_rms = 1840mA_peak
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    #define CURRENT_STEP_DOWN     50  // [mA]
     #define REPORT_CURRENT_CHANGE
+    #define STOP_ON_ERROR
   #endif
 
   /**
@@ -1075,8 +1097,8 @@
   #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 Z_HYBRID_THRESHOLD       3
+  #define Z2_HYBRID_THRESHOLD      3
   #define E0_HYBRID_THRESHOLD     30
   #define E1_HYBRID_THRESHOLD     30
   #define E2_HYBRID_THRESHOLD     30
@@ -1086,7 +1108,7 @@
   /**
    * 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 and Y homing will always be done in spreadCycle mode.
    *
    * X/Y_HOMING_SENSITIVITY is used for tuning the trigger sensitivity.
    * Higher values make the system LESS sensitive.
@@ -1095,27 +1117,34 @@
    * It is advised to set X/Y_HOME_BUMP_MM to 0.
    * M914 X/Y to live tune the setting
    */
-  //#define SENSORLESS_HOMING
+  //#define SENSORLESS_HOMING // TMC2130 only
 
   #if ENABLED(SENSORLESS_HOMING)
-    #define X_HOMING_SENSITIVITY  19
-    #define Y_HOMING_SENSITIVITY  19
+    #define X_HOMING_SENSITIVITY  8
+    #define Y_HOMING_SENSITIVITY  8
   #endif
 
   /**
+   * Enable M122 debugging command for TMC stepper drivers.
+   * M122 S0/1 will enable continous reporting.
+   */
+  //#define TMC_DEBUG
+
+  /**
    * You can set your own advanced settings by filling in predefined functions.
    * A list of available functions can be found on the library github page
    * https://github.com/teemuatlut/TMC2130Stepper
+   * https://github.com/teemuatlut/TMC2208Stepper
    *
    * Example:
-   * #define TMC2130_ADV() { \
+   * #define TMC_ADV() { \
    *   stepperX.diag0_temp_prewarn(1); \
-   *   stepperX.interpolate(0); \
+   *   stepperY.interpolate(0); \
    * }
    */
-  #define  TMC2130_ADV() {  }
+  #define  TMC_ADV() {  }
 
-#endif // HAVE_TMC2130
+#endif // TMC2130 || TMC2208
 
 // @section L6470
 

Marlin/pinsDebug_list.h

@@ -776,4 +776,69 @@
 #if PIN_EXISTS(Z2_STEP)
   REPORT_NAME_DIGITAL(Z2_STEP_PIN, __LINE__ )
 #endif
-
+#if PIN_EXISTS(X_SERIAL_TX)
+  REPORT_NAME_DIGITAL(X_SERIAL_TX_PIN, __LINE__ )
+#endif
+#if PIN_EXISTS(X_SERIAL_RX)
+  REPORT_NAME_DIGITAL(X_SERIAL_RX_PIN, __LINE__ )
+#endif
+#if PIN_EXISTS(X2_SERIAL_TX)
+  REPORT_NAME_DIGITAL(X2_SERIAL_TX_PIN, __LINE__ )
+#endif
+#if PIN_EXISTS(X2_SERIAL_RX)
+  REPORT_NAME_DIGITAL(X2_SERIAL_RX_PIN, __LINE__ )
+#endif
+#if PIN_EXISTS(Y_SERIAL_TX)
+  REPORT_NAME_DIGITAL(Y_SERIAL_TX_PIN, __LINE__ )
+#endif
+#if PIN_EXISTS(Y_SERIAL_RX)
+  REPORT_NAME_DIGITAL(Y_SERIAL_RX_PIN, __LINE__ )
+#endif
+#if PIN_EXISTS(Y2_SERIAL_TX)
+  REPORT_NAME_DIGITAL(Y2_SERIAL_TX_PIN, __LINE__ )
+#endif
+#if PIN_EXISTS(Y2_SERIAL_RX)
+  REPORT_NAME_DIGITAL(Y2_SERIAL_RX_PIN, __LINE__ )
+#endif
+#if PIN_EXISTS(Z_SERIAL_TX)
+  REPORT_NAME_DIGITAL(Z_SERIAL_TX_PIN, __LINE__ )
+#endif
+#if PIN_EXISTS(Z_SERIAL_RX)
+  REPORT_NAME_DIGITAL(Z_SERIAL_RX_PIN, __LINE__ )
+#endif
+#if PIN_EXISTS(Z2_SERIAL_TX)
+  REPORT_NAME_DIGITAL(Z2_SERIAL_TX_PIN, __LINE__ )
+#endif
+#if PIN_EXISTS(Z2_SERIAL_RX)
+  REPORT_NAME_DIGITAL(Z2_SERIAL_RX_PIN, __LINE__ )
+#endif
+#if PIN_EXISTS(E0_SERIAL_TX)
+  REPORT_NAME_DIGITAL(E0_SERIAL_TX_PIN, __LINE__ )
+#endif
+#if PIN_EXISTS(E0_SERIAL_RX)
+  REPORT_NAME_DIGITAL(E0_SERIAL_RX_PIN, __LINE__ )
+#endif
+#if PIN_EXISTS(E1_SERIAL_TX)
+  REPORT_NAME_DIGITAL(E1_SERIAL_TX_PIN, __LINE__ )
+#endif
+#if PIN_EXISTS(E1_SERIAL_RX)
+  REPORT_NAME_DIGITAL(E1_SERIAL_RX_PIN, __LINE__ )
+#endif
+#if PIN_EXISTS(E2_SERIAL_TX)
+  REPORT_NAME_DIGITAL(E2_SERIAL_TX_PIN, __LINE__ )
+#endif
+#if PIN_EXISTS(E2_SERIAL_RX)
+  REPORT_NAME_DIGITAL(E2_SERIAL_RX_PIN, __LINE__ )
+#endif
+#if PIN_EXISTS(E3_SERIAL_TX)
+  REPORT_NAME_DIGITAL(E3_SERIAL_TX_PIN, __LINE__ )
+#endif
+#if PIN_EXISTS(E3_SERIAL_RX)
+  REPORT_NAME_DIGITAL(E3_SERIAL_RX_PIN, __LINE__ )
+#endif
+#if PIN_EXISTS(E4_SERIAL_TX)
+  REPORT_NAME_DIGITAL(E4_SERIAL_TX_PIN, __LINE__ )
+#endif
+#if PIN_EXISTS(E4_SERIAL_RX)
+  REPORT_NAME_DIGITAL(E4_SERIAL_RX_PIN, __LINE__ )
+#endif

Marlin/pins_RAMPS.h

@@ -113,6 +113,57 @@
 #define E1_ENABLE_PIN      30
 #define E1_CS_PIN          44
 
+
+#if ENABLED(HAVE_TMC2208)
+  /**
+   * TMC2208 stepper drivers
+   *
+   * Hardware serial communication ports.
+   * If undefined software serial is used according to the pins below
+   */
+  //#define X_HARDWARE_SERIAL  Serial1
+  //#define X2_HARDWARE_SERIAL Serial1
+  //#define Y_HARDWARE_SERIAL  Serial1
+  //#define Y2_HARDWARE_SERIAL Serial1
+  //#define Z_HARDWARE_SERIAL  Serial1
+  //#define Z2_HARDWARE_SERIAL Serial1
+  //#define E0_HARDWARE_SERIAL Serial1
+  //#define E1_HARDWARE_SERIAL Serial1
+  //#define E2_HARDWARE_SERIAL Serial1
+  //#define E3_HARDWARE_SERIAL Serial1
+  //#define E3_HARDWARE_SERIAL Serial1
+
+  /**
+   * Software serial
+   */
+
+  #define X_SERIAL_TX_PIN    59
+  #define X_SERIAL_RX_PIN    63
+  #define X2_SERIAL_TX_PIN   -1
+  #define X2_SERIAL_RX_PIN   -1
+
+  #define Y_SERIAL_TX_PIN    64
+  #define Y_SERIAL_RX_PIN    40
+  #define Y2_SERIAL_TX_PIN   -1
+  #define Y2_SERIAL_RX_PIN   -1
+
+  #define Z_SERIAL_TX_PIN    44
+  #define Z_SERIAL_RX_PIN    42
+  #define Z2_SERIAL_TX_PIN   -1
+  #define Z2_SERIAL_RX_PIN   -1
+
+  #define E0_SERIAL_TX_PIN   66
+  #define E0_SERIAL_RX_PIN   65
+  #define E1_SERIAL_TX_PIN   -1
+  #define E1_SERIAL_RX_PIN   -1
+  #define E2_SERIAL_TX_PIN   -1
+  #define E2_SERIAL_RX_PIN   -1
+  #define E3_SERIAL_TX_PIN   -1
+  #define E3_SERIAL_RX_PIN   -1
+  #define E4_SERIAL_TX_PIN   -1
+  #define E4_SERIAL_RX_PIN   -1
+#endif
+
 //
 // Temperature Sensors
 //

Marlin/serial.h

@@ -26,7 +26,7 @@
 #include "MarlinConfig.h"
 
 #ifdef USBCON
-  #include "HardwareSerial.h"
+  #include <HardwareSerial.h>
   #if ENABLED(BLUETOOTH)
     #define MYSERIAL bluetoothSerial
   #else

Marlin/stepper.cpp

@@ -965,6 +965,16 @@ void Stepper::init() {
     tmc2130_init();
   #endif
 
+  // Init TMC2208 Steppers
+  #if ENABLED(HAVE_TMC2208)
+    tmc2208_init();
+  #endif
+
+  // TRAMS, TMC2130 and TMC2208 advanced settings
+  #if HAS_TRINAMIC
+    TMC_ADV()
+  #endif
+
   // Init L6470 Steppers
   #if ENABLED(HAVE_L6470DRIVER)
     L6470_init();

Marlin/stepper_indirection.cpp

@@ -129,6 +129,7 @@
 
   #include <SPI.h>
   #include <TMC2130Stepper.h>
+  #include "planner.h"
   #include "enum.h"
 
   #define _TMC2130_DEFINE(ST) TMC2130Stepper stepper##ST(ST##_ENABLE_PIN, ST##_DIR_PIN, ST##_STEP_PIN, ST##_CS_PIN)
@@ -171,16 +172,16 @@
   // Use internal reference voltage for current calculations. This is the default.
   // Following values from Trinamic's spreadsheet with values for a NEMA17 (42BYGHW609)
   // https://www.trinamic.com/products/integrated-circuits/details/tmc2130/
-  void tmc2130_init(TMC2130Stepper &st, const uint16_t microsteps, const uint32_t thrs, const float &spmm) {
+  void tmc2130_init(TMC2130Stepper &st, const uint16_t microsteps, const uint32_t thrs, const float spmm) {
     st.begin();
     st.setCurrent(st.getCurrent(), R_SENSE, HOLD_MULTIPLIER);
     st.microsteps(microsteps);
-    st.blank_time(36);
+    st.blank_time(24);
     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.hysterisis_start(3);
+    st.hysterisis_end(2);
     st.diag1_active_high(1); // For sensorless homing
     #if ENABLED(STEALTHCHOP)
       st.stealth_freq(1); // f_pwm = 2/683 f_clk
@@ -189,61 +190,260 @@
       st.stealth_amplitude(255);
       st.stealthChop(1);
       #if ENABLED(HYBRID_THRESHOLD)
-        st.stealth_max_speed(12650000UL*st.microsteps()/(256*thrs*spmm));
+        st.stealth_max_speed(12650000UL*microsteps/(256*thrs*spmm));
+      #else
+        UNUSED(thrs);
+        UNUSED(spmm);
       #endif
     #elif ENABLED(SENSORLESS_HOMING)
       st.coolstep_min_speed(1024UL * 1024UL - 1UL);
     #endif
+    st.GSTAT(); // Clear GSTAT
   }
 
   #define _TMC2130_INIT(ST, SPMM) tmc2130_init(stepper##ST, ST##_MICROSTEPS, ST##_HYBRID_THRESHOLD, SPMM)
 
   void tmc2130_init() {
-    constexpr float steps_per_mm[] = DEFAULT_AXIS_STEPS_PER_UNIT;
     #if ENABLED(X_IS_TMC2130)
-      _TMC2130_INIT( X, steps_per_mm[X_AXIS]);
-      #if ENABLED(SENSORLESS_HOMING)
-        stepperX.sg_stall_value(X_HOMING_SENSITIVITY);
-      #endif
+      _TMC2130_INIT( X, planner.axis_steps_per_mm[X_AXIS]);
     #endif
     #if ENABLED(X2_IS_TMC2130)
-      _TMC2130_INIT(X2, steps_per_mm[X_AXIS]);
+      _TMC2130_INIT(X2, planner.axis_steps_per_mm[X_AXIS]);
     #endif
     #if ENABLED(Y_IS_TMC2130)
-      _TMC2130_INIT( Y, steps_per_mm[Y_AXIS]);
-      #if ENABLED(SENSORLESS_HOMING)
-        stepperY.sg_stall_value(Y_HOMING_SENSITIVITY);
-      #endif
+      _TMC2130_INIT( Y, planner.axis_steps_per_mm[Y_AXIS]);
     #endif
     #if ENABLED(Y2_IS_TMC2130)
-      _TMC2130_INIT(Y2, steps_per_mm[Y_AXIS]);
+      _TMC2130_INIT(Y2, planner.axis_steps_per_mm[Y_AXIS]);
     #endif
     #if ENABLED(Z_IS_TMC2130)
-      _TMC2130_INIT( Z, steps_per_mm[Z_AXIS]);
+      _TMC2130_INIT( Z, planner.axis_steps_per_mm[Z_AXIS]);
     #endif
     #if ENABLED(Z2_IS_TMC2130)
-      _TMC2130_INIT(Z2, steps_per_mm[Z_AXIS]);
+      _TMC2130_INIT(Z2, planner.axis_steps_per_mm[Z_AXIS]);
     #endif
     #if ENABLED(E0_IS_TMC2130)
-      _TMC2130_INIT(E0, steps_per_mm[E_AXIS]);
+      _TMC2130_INIT(E0, planner.axis_steps_per_mm[E_AXIS]);
     #endif
     #if ENABLED(E1_IS_TMC2130)
-      { constexpr int extruder = 1; _TMC2130_INIT(E1, steps_per_mm[E_AXIS_N]); }
+      { constexpr int extruder = 1; _TMC2130_INIT(E1, planner.axis_steps_per_mm[E_AXIS_N]); }
     #endif
     #if ENABLED(E2_IS_TMC2130)
-      { constexpr int extruder = 2; _TMC2130_INIT(E2, steps_per_mm[E_AXIS_N]); }
+      { constexpr int extruder = 2; _TMC2130_INIT(E2, planner.axis_steps_per_mm[E_AXIS_N]); }
     #endif
     #if ENABLED(E3_IS_TMC2130)
-      { constexpr int extruder = 3; _TMC2130_INIT(E3, steps_per_mm[E_AXIS_N]); }
+      { constexpr int extruder = 3; _TMC2130_INIT(E3, planner.axis_steps_per_mm[E_AXIS_N]); }
     #endif
     #if ENABLED(E4_IS_TMC2130)
-      { constexpr int extruder = 4; _TMC2130_INIT(E4, steps_per_mm[E_AXIS_N]); }
+      { constexpr int extruder = 4; _TMC2130_INIT(E4, planner.axis_steps_per_mm[E_AXIS_N]); }
     #endif
 
-    TMC2130_ADV()
   }
 #endif // HAVE_TMC2130
 
+//
+// TMC2208 Driver objects and inits
+//
+#if ENABLED(HAVE_TMC2208)
+
+  #include <SoftwareSerial.h>
+  #include <HardwareSerial.h>
+  #include <TMC2208Stepper.h>
+  #include "planner.h"
+
+  #define _TMC2208_DEFINE_HARDWARE(ST) TMC2208Stepper stepper##ST(&ST##_HARDWARE_SERIAL)
+  #define _TMC2208_DEFINE_SOFTWARE(ST) SoftwareSerial stepper##ST##_serial = SoftwareSerial(ST##_SERIAL_RX_PIN, ST##_SERIAL_TX_PIN); \
+                                       TMC2208Stepper stepper##ST(&stepper##ST##_serial, ST##_SERIAL_RX_PIN > -1)
+
+  // Stepper objects of TMC2208 steppers used
+  #if ENABLED(X_IS_TMC2208)
+    #if defined(X_HARDWARE_SERIAL)
+      _TMC2208_DEFINE_HARDWARE(X);
+    #else
+      _TMC2208_DEFINE_SOFTWARE(X);
+    #endif
+  #endif
+  #if ENABLED(X2_IS_TMC2208)
+    #if defined(X2_HARDWARE_SERIAL)
+      _TMC2208_DEFINE_HARDWARE(X2);
+    #else
+      _TMC2208_DEFINE_SOFTWARE(X2);
+    #endif
+  #endif
+  #if ENABLED(Y_IS_TMC2208)
+    #if defined(Y_HARDWARE_SERIAL)
+      _TMC2208_DEFINE_HARDWARE(Y);
+    #else
+      _TMC2208_DEFINE_SOFTWARE(Y);
+    #endif
+  #endif
+  #if ENABLED(Y2_IS_TMC2208)
+    #if defined(Y2_HARDWARE_SERIAL)
+      _TMC2208_DEFINE_HARDWARE(Y2);
+    #else
+      _TMC2208_DEFINE_SOFTWARE(Y2);
+    #endif
+  #endif
+  #if ENABLED(Z_IS_TMC2208)
+    #if defined(Z_HARDWARE_SERIAL)
+      _TMC2208_DEFINE_HARDWARE(Z);
+    #else
+      _TMC2208_DEFINE_SOFTWARE(Z);
+    #endif
+  #endif
+  #if ENABLED(Z2_IS_TMC2208)
+    #if defined(Z2_HARDWARE_SERIAL)
+      _TMC2208_DEFINE_HARDWARE(Z2);
+    #else
+      _TMC2208_DEFINE_SOFTWARE(Z2);
+    #endif
+  #endif
+  #if ENABLED(E0_IS_TMC2208)
+    #if defined(E0_HARDWARE_SERIAL)
+      _TMC2208_DEFINE_HARDWARE(E0);
+    #else
+      _TMC2208_DEFINE_SOFTWARE(E0);
+    #endif
+  #endif
+  #if ENABLED(E1_IS_TMC2208)
+    #if defined(E1_HARDWARE_SERIAL)
+      _TMC2208_DEFINE_HARDWARE(E1);
+    #else
+      _TMC2208_DEFINE_SOFTWARE(E1);
+    #endif
+  #endif
+  #if ENABLED(E2_IS_TMC2208)
+    #if defined(E2_HARDWARE_SERIAL)
+      _TMC2208_DEFINE_HARDWARE(E2);
+    #else
+      _TMC2208_DEFINE_SOFTWARE(E2);
+    #endif
+  #endif
+  #if ENABLED(E3_IS_TMC2208)
+    #if defined(E3_HARDWARE_SERIAL)
+      _TMC2208_DEFINE_HARDWARE(E3);
+    #else
+      _TMC2208_DEFINE_SOFTWARE(E3);
+    #endif
+  #endif
+  #if ENABLED(E4_IS_TMC2208)
+    #if defined(E4_HARDWARE_SERIAL)
+      _TMC2208_DEFINE_HARDWARE(E4);
+    #else
+      _TMC2208_DEFINE_SOFTWARE(E4);
+    #endif
+  #endif
+
+  void tmc2208_serial_begin() {
+    #if ENABLED(X_IS_TMC2208) && defined(X_HARDWARE_SERIAL)
+      X_HARDWARE_SERIAL.begin(250000);
+    #endif
+    #if ENABLED(X2_IS_TMC2208) && defined(X2_HARDWARE_SERIAL)
+      X2_HARDWARE_SERIAL.begin(250000);
+    #endif
+    #if ENABLED(Y_IS_TMC2208) && defined(Y_HARDWARE_SERIAL)
+      Y_HARDWARE_SERIAL.begin(250000);
+    #endif
+    #if ENABLED(Y2_IS_TMC2208) && defined(Y2_HARDWARE_SERIAL)
+      Y2_HARDWARE_SERIAL.begin(250000);
+    #endif
+    #if ENABLED(Z_IS_TMC2208) && defined(Z_HARDWARE_SERIAL)
+      Z_HARDWARE_SERIAL.begin(250000);
+    #endif
+    #if ENABLED(Z2_IS_TMC2208) && defined(Z2_HARDWARE_SERIAL)
+      Z2_HARDWARE_SERIAL.begin(250000);
+    #endif
+    #if ENABLED(E0_IS_TMC2208) && defined(E0_HARDWARE_SERIAL)
+      E0_HARDWARE_SERIAL.begin(250000);
+    #endif
+    #if ENABLED(E1_IS_TMC2208) && defined(E1_HARDWARE_SERIAL)
+      E1_HARDWARE_SERIAL.begin(250000);
+    #endif
+    #if ENABLED(E2_IS_TMC2208) && defined(E2_HARDWARE_SERIAL)
+      E2_HARDWARE_SERIAL.begin(250000);
+    #endif
+    #if ENABLED(E3_IS_TMC2208) && defined(E3_HARDWARE_SERIAL)
+      E3_HARDWARE_SERIAL.begin(250000);
+    #endif
+    #if ENABLED(E4_IS_TMC2208) && defined(E4_HARDWARE_SERIAL)
+      E4_HARDWARE_SERIAL.begin(250000);
+    #endif
+  }
+
+  // Use internal reference voltage for current calculations. This is the default.
+  // Following values from Trinamic's spreadsheet with values for a NEMA17 (42BYGHW609)
+  void tmc2208_init(TMC2208Stepper &st, const uint16_t microsteps, const uint32_t thrs, const float spmm) {
+    st.pdn_disable(true); // Use UART
+    st.mstep_reg_select(true); // Select microsteps with UART
+    st.I_scale_analog(false);
+    st.rms_current(st.getCurrent(), HOLD_MULTIPLIER, R_SENSE);
+    st.microsteps(microsteps);
+    st.blank_time(24);
+    st.toff(5);
+    st.intpol(INTERPOLATE);
+    st.TPOWERDOWN(128); // ~2s until driver lowers to hold current
+    st.hysterisis_start(3);
+    st.hysterisis_end(2);
+    #if ENABLED(STEALTHCHOP)
+      st.pwm_lim(12);
+      st.pwm_reg(8);
+      st.pwm_autograd(1);
+      st.pwm_autoscale(1);
+      st.pwm_freq(1);
+      st.pwm_grad(14);
+      st.pwm_ofs(36);
+      st.en_spreadCycle(false);
+      #if ENABLED(HYBRID_THRESHOLD)
+        st.TPWMTHRS(12650000UL*microsteps/(256*thrs*spmm));
+      #else
+        UNUSED(thrs);
+        UNUSED(spmm);
+      #endif
+    #else
+      st.en_spreadCycle(true);
+    #endif
+    st.GSTAT(0b111); // Clear
+    delay(200);
+  }
+
+  #define _TMC2208_INIT(ST, SPMM) tmc2208_init(stepper##ST, ST##_MICROSTEPS, ST##_HYBRID_THRESHOLD, SPMM)
+
+  void tmc2208_init() {
+    #if ENABLED(X_IS_TMC2208)
+      _TMC2208_INIT(X, planner.axis_steps_per_mm[X_AXIS]);
+    #endif
+    #if ENABLED(X2_IS_TMC2208)
+      _TMC2208_INIT(X2, planner.axis_steps_per_mm[X_AXIS]);
+    #endif
+    #if ENABLED(Y_IS_TMC2208)
+      _TMC2208_INIT(Y, planner.axis_steps_per_mm[Y_AXIS]);
+    #endif
+    #if ENABLED(Y2_IS_TMC2208)
+      _TMC2208_INIT(Y2, planner.axis_steps_per_mm[Y_AXIS]);
+    #endif
+    #if ENABLED(Z_IS_TMC2208)
+      _TMC2208_INIT(Z, planner.axis_steps_per_mm[Z_AXIS]);
+    #endif
+    #if ENABLED(Z2_IS_TMC2208)
+      _TMC2208_INIT(Z2, planner.axis_steps_per_mm[Z_AXIS]);
+    #endif
+    #if ENABLED(E0_IS_TMC2208)
+      _TMC2208_INIT(E0, planner.axis_steps_per_mm[E_AXIS]);
+    #endif
+    #if ENABLED(E1_IS_TMC2208)
+      { constexpr int extruder = 1; _TMC2208_INIT(E1, planner.axis_steps_per_mm[E_AXIS_N]); }
+    #endif
+    #if ENABLED(E2_IS_TMC2208)
+      { constexpr int extruder = 2; _TMC2208_INIT(E2, planner.axis_steps_per_mm[E_AXIS_N]); }
+    #endif
+    #if ENABLED(E3_IS_TMC2208)
+      { constexpr int extruder = 3; _TMC2208_INIT(E3, planner.axis_steps_per_mm[E_AXIS_N]); }
+    #endif
+    #if ENABLED(E4_IS_TMC2208)
+      { constexpr int extruder = 4; _TMC2208_INIT(E4, planner.axis_steps_per_mm[E_AXIS_N]); }
+    #endif
+  }
+#endif // HAVE_TMC2208
 
 //
 // L6470 Driver objects and inits

Marlin/stepper_indirection.h

@@ -58,6 +58,12 @@
   void tmc2130_init();
 #endif
 
+#if ENABLED(HAVE_TMC2208)
+  #include <TMC2208Stepper.h>
+  void tmc2208_serial_begin();
+  void tmc2208_init();
+#endif
+
 // L6470 has STEP on normal pins, but DIR/ENABLE via SPI
 #if ENABLED(HAVE_L6470DRIVER)
   #include <SPI.h>
@@ -83,6 +89,8 @@
   #else
     #if ENABLED(HAVE_TMC2130) && ENABLED(X_IS_TMC2130)
       extern TMC2130Stepper stepperX;
+    #elif ENABLED(HAVE_TMC2208) && ENABLED(X_IS_TMC2208)
+      extern TMC2208Stepper stepperX;
     #endif
     #define X_ENABLE_INIT SET_OUTPUT(X_ENABLE_PIN)
     #define X_ENABLE_WRITE(STATE) WRITE(X_ENABLE_PIN,STATE)
@@ -114,6 +122,8 @@
   #else
     #if ENABLED(HAVE_TMC2130) && ENABLED(Y_IS_TMC2130)
       extern TMC2130Stepper stepperY;
+    #elif ENABLED(HAVE_TMC2208) && ENABLED(Y_IS_TMC2208)
+      extern TMC2208Stepper stepperY;
     #endif
     #define Y_ENABLE_INIT SET_OUTPUT(Y_ENABLE_PIN)
     #define Y_ENABLE_WRITE(STATE) WRITE(Y_ENABLE_PIN,STATE)
@@ -145,6 +155,8 @@
   #else
     #if ENABLED(HAVE_TMC2130) && ENABLED(Z_IS_TMC2130)
       extern TMC2130Stepper stepperZ;
+    #elif ENABLED(HAVE_TMC2208) && ENABLED(Z_IS_TMC2208)
+      extern TMC2208Stepper stepperZ;
     #endif
     #define Z_ENABLE_INIT SET_OUTPUT(Z_ENABLE_PIN)
     #define Z_ENABLE_WRITE(STATE) WRITE(Z_ENABLE_PIN,STATE)
@@ -177,6 +189,8 @@
     #else
       #if ENABLED(HAVE_TMC2130) && ENABLED(X2_IS_TMC2130)
         extern TMC2130Stepper stepperX2;
+      #elif ENABLED(HAVE_TMC2208) && ENABLED(X2_IS_TMC2208)
+        extern TMC2208Stepper stepperX2;
       #endif
       #define X2_ENABLE_INIT SET_OUTPUT(X2_ENABLE_PIN)
       #define X2_ENABLE_WRITE(STATE) WRITE(X2_ENABLE_PIN,STATE)
@@ -210,6 +224,8 @@
     #else
       #if ENABLED(HAVE_TMC2130) && ENABLED(Y2_IS_TMC2130)
         extern TMC2130Stepper stepperY2;
+      #elif ENABLED(HAVE_TMC2208) && ENABLED(Y2_IS_TMC2208)
+        extern TMC2208Stepper stepperY2;
       #endif
       #define Y2_ENABLE_INIT SET_OUTPUT(Y2_ENABLE_PIN)
       #define Y2_ENABLE_WRITE(STATE) WRITE(Y2_ENABLE_PIN,STATE)
@@ -243,6 +259,8 @@
     #else
       #if ENABLED(HAVE_TMC2130) && ENABLED(Z2_IS_TMC2130)
         extern TMC2130Stepper stepperZ2;
+      #elif ENABLED(HAVE_TMC2208) && ENABLED(Z2_IS_TMC2208)
+        extern TMC2208Stepper stepperZ2;
       #endif
       #define Z2_ENABLE_INIT SET_OUTPUT(Z2_ENABLE_PIN)
       #define Z2_ENABLE_WRITE(STATE) WRITE(Z2_ENABLE_PIN,STATE)
@@ -275,6 +293,8 @@
   #else
     #if ENABLED(HAVE_TMC2130) && ENABLED(E0_IS_TMC2130)
       extern TMC2130Stepper stepperE0;
+    #elif ENABLED(HAVE_TMC2208) && ENABLED(E0_IS_TMC2208)
+      extern TMC2208Stepper stepperE0;
     #endif
     #define E0_ENABLE_INIT SET_OUTPUT(E0_ENABLE_PIN)
     #define E0_ENABLE_WRITE(STATE) WRITE(E0_ENABLE_PIN,STATE)
@@ -306,6 +326,8 @@
   #else
     #if ENABLED(HAVE_TMC2130) && ENABLED(E1_IS_TMC2130)
       extern TMC2130Stepper stepperE1;
+    #elif ENABLED(HAVE_TMC2208) && ENABLED(E1_IS_TMC2208)
+      extern TMC2208Stepper stepperE1;
     #endif
     #define E1_ENABLE_INIT SET_OUTPUT(E1_ENABLE_PIN)
     #define E1_ENABLE_WRITE(STATE) WRITE(E1_ENABLE_PIN,STATE)
@@ -337,6 +359,8 @@
   #else
     #if ENABLED(HAVE_TMC2130) && ENABLED(E2_IS_TMC2130)
       extern TMC2130Stepper stepperE2;
+    #elif ENABLED(HAVE_TMC2208) && ENABLED(E2_IS_TMC2208)
+      extern TMC2208Stepper stepperE2;
     #endif
     #define E2_ENABLE_INIT SET_OUTPUT(E2_ENABLE_PIN)
     #define E2_ENABLE_WRITE(STATE) WRITE(E2_ENABLE_PIN,STATE)
@@ -368,6 +392,8 @@
   #else
     #if ENABLED(HAVE_TMC2130) && ENABLED(E3_IS_TMC2130)
       extern TMC2130Stepper stepperE3;
+    #elif ENABLED(HAVE_TMC2208) && ENABLED(E3_IS_TMC2208)
+      extern TMC2208Stepper stepperE3;
     #endif
     #define E3_ENABLE_INIT SET_OUTPUT(E3_ENABLE_PIN)
     #define E3_ENABLE_WRITE(STATE) WRITE(E3_ENABLE_PIN,STATE)
@@ -399,6 +425,8 @@
   #else
     #if ENABLED(HAVE_TMC2130) && ENABLED(E4_IS_TMC2130)
       extern TMC2130Stepper stepperE4;
+    #elif ENABLED(HAVE_TMC2208) && ENABLED(E4_IS_TMC2208)
+      extern TMC2208Stepper stepperE4;
     #endif
     #define E4_ENABLE_INIT SET_OUTPUT(E4_ENABLE_PIN)
     #define E4_ENABLE_WRITE(STATE) WRITE(E4_ENABLE_PIN,STATE)

Marlin/tmc_macros.h

@@ -0,0 +1,39 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
+ *
+ * Based on Sprinter and grbl.
+ * Copyright (C) 2011 Camiel Gubbels / Erik van der Zalm
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ *
+ */
+#ifndef TMC_MACROS_H
+#define TMC_MACROS_H
+
+  // Trinamic Stepper Drivers
+  #define HAS_TRINAMIC (ENABLED(HAVE_TMC2130) || ENABLED(HAVE_TMC2208) || ENABLED(IS_TRAMS))
+  #define  X_IS_TRINAMIC (ENABLED( X_IS_TMC2130) || ENABLED( X_IS_TMC2208) || ENABLED(IS_TRAMS))
+  #define X2_IS_TRINAMIC (ENABLED(X2_IS_TMC2130) || ENABLED(X2_IS_TMC2208))
+  #define  Y_IS_TRINAMIC (ENABLED( Y_IS_TMC2130) || ENABLED( Y_IS_TMC2208) || ENABLED(IS_TRAMS))
+  #define Y2_IS_TRINAMIC (ENABLED(Y2_IS_TMC2130) || ENABLED(Y2_IS_TMC2208))
+  #define  Z_IS_TRINAMIC (ENABLED( Z_IS_TMC2130) || ENABLED( Z_IS_TMC2208) || ENABLED(IS_TRAMS))
+  #define Z2_IS_TRINAMIC (ENABLED(Z2_IS_TMC2130) || ENABLED(Z2_IS_TMC2208))
+  #define E0_IS_TRINAMIC (ENABLED(E0_IS_TMC2130) || ENABLED(E0_IS_TMC2208) || ENABLED(IS_TRAMS))
+  #define E1_IS_TRINAMIC (ENABLED(E1_IS_TMC2130) || ENABLED(E1_IS_TMC2208))
+  #define E2_IS_TRINAMIC (ENABLED(E2_IS_TMC2130) || ENABLED(E2_IS_TMC2208))
+  #define E3_IS_TRINAMIC (ENABLED(E3_IS_TMC2130) || ENABLED(E3_IS_TMC2208))
+  #define E4_IS_TRINAMIC (ENABLED(E4_IS_TMC2130) || ENABLED(E4_IS_TMC2208))
+
+#endif