[2.0.x] TMC driver update (#8769)

.travis.yml

@@ -312,7 +312,14 @@ 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 SENSORLESS_HOMING
+  - build_marlin_pio ${TRAVIS_BUILD_DIR} ${TEST_PLATFORM}
+  #
+  # 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_pio ${TRAVIS_BUILD_DIR} ${TEST_PLATFORM}
   #
   # 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/Marlin.ino

@@ -57,6 +57,10 @@
   #include <TMC2130Stepper.h>
 #endif
 
+#if ENABLED(HAVE_TMC2208)
+  #include <TMC2208Stepper.h>
+#endif
+
 #if ENABLED(HAVE_L6470DRIVER)
   #include <SPI.h>
   #include <L6470.h>

Marlin/src/Marlin.cpp

@@ -99,8 +99,8 @@
   #include "HAL/HAL_endstop_interrupts.h"
 #endif
 
-#if ENABLED(HAVE_TMC2130)
-  #include "feature/tmc2130.h"
+#if HAS_TRINAMIC
+  #include "feature/tmc_util.h"
 #endif
 
 #if ENABLED(SDSUPPORT)
@@ -489,8 +489,8 @@ void manage_inactivity(bool ignore_stepper_queue/*=false*/) {
     handle_status_leds();
   #endif
 
-  #if ENABLED(HAVE_TMC2130)
-    tmc2130_checkOverTemp();
+  #if ENABLED(MONITOR_DRIVER_STATUS)
+    monitor_tmc_driver();
   #endif
 
   // Limit check_axes_activity frequency to 10Hz

Marlin/src/config/default/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/src/config/examples/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/src/config/examples/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/src/config/examples/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/src/config/examples/Azteeg/X5GT/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/src/config/examples/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/src/config/examples/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/src/config/examples/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/src/config/examples/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/src/config/examples/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/src/config/examples/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/src/config/examples/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/src/config/examples/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/src/config/examples/Malyan/M150/Configuration_adv.h

@@ -973,7 +973,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -987,7 +987,19 @@
  */
 //#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
@@ -1002,46 +1014,58 @@
   //#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.
@@ -1050,24 +1074,22 @@
   #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
 
   /**
@@ -1082,8 +1104,8 @@
   #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
@@ -1093,7 +1115,7 @@
   /**
    * 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.
@@ -1102,27 +1124,34 @@
    * 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/src/config/examples/Malyan/M200/Configuration_adv.h

@@ -941,7 +941,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -955,7 +955,19 @@
  */
 //#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
@@ -970,46 +982,58 @@
   //#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.
@@ -1018,24 +1042,22 @@
   #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
 
   /**
@@ -1050,8 +1072,8 @@
   #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
@@ -1061,7 +1083,7 @@
   /**
    * 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.
@@ -1070,27 +1092,34 @@
    * 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/src/config/examples/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/src/config/examples/Mks/Sbase/Configuration_adv.h

@@ -984,7 +984,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -998,7 +998,19 @@
  */
 //#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
@@ -1013,46 +1025,58 @@
   //#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.
@@ -1061,24 +1085,22 @@
   #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
 
   /**
@@ -1093,8 +1115,8 @@
   #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
@@ -1104,7 +1126,7 @@
   /**
    * 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.
@@ -1113,27 +1135,34 @@
    * 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/src/config/examples/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/src/config/examples/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/src/config/examples/Sanguinololu/Configuration_adv.h

@@ -965,7 +965,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -979,7 +979,19 @@
  */
 //#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
@@ -994,46 +1006,58 @@
   //#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.
@@ -1042,24 +1066,22 @@
   #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
 
   /**
@@ -1074,8 +1096,8 @@
   #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
@@ -1085,7 +1107,7 @@
   /**
    * 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.
@@ -1094,27 +1116,34 @@
    * 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/src/config/examples/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/src/config/examples/UltiMachine/Archim2/Configuration_adv.h

@@ -976,7 +976,7 @@
 
 #endif
 
-// @section TMC2130
+// @section TMC2130, TMC2208
 
 /**
  * Enable this for SilentStepStick Trinamic TMC2130 SPI-configurable stepper drivers.
@@ -988,63 +988,87 @@
  * the hardware SPI interface on your board and define the required CS pins
  * in your `pins_MYBOARD.h` file. (e.g., RAMPS 1.4 uses AUX3 pins `X_CS_PIN 53`, `Y_CS_PIN 49`, etc.).
  */
-#define HAVE_TMC2130
+//#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
+  //#define X_IS_TMC2130
   //#define X2_IS_TMC2130
-  #define Y_IS_TMC2130
+  //#define Y_IS_TMC2130
   //#define Y2_IS_TMC2130
-  #define Z_IS_TMC2130
+  //#define Z_IS_TMC2130
   //#define Z2_IS_TMC2130
-  #define E0_IS_TMC2130
+  //#define E0_IS_TMC2130
   //#define E1_IS_TMC2130
   //#define E2_IS_TMC2130
   //#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           0.22  // R_sense resistor for SilentStepStick2130
+  #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          900  // 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          900
+  #define Y_CURRENT          800
   #define Y_MICROSTEPS        16
 
-  #define Z_CURRENT          900
+  #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         900
+  #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/src/config/examples/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/src/config/examples/Velleman/K8400/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/src/config/examples/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/src/config/examples/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/src/config/examples/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/src/config/examples/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/src/config/examples/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/src/config/examples/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/src/config/examples/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/src/config/examples/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/src/config/examples/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/src/config/examples/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/src/config/examples/wt150/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/src/core/serial.h

@@ -65,7 +65,7 @@ enum DebugFlags {
 // For AVR only, define a serial interface based on configuration
 #ifdef __AVR__
   #ifdef USBCON
-    #include "HardwareSerial.h"
+    #include <HardwareSerial.h>
     #if ENABLED(BLUETOOTH)
       #define MYSERIAL bluetoothSerial
     #else

Marlin/src/feature/tmc2130.cpp

@@ -1,153 +0,0 @@
-/**
- * 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/>.
- *
- */
-
-#include "../inc/MarlinConfig.h"
-
-#if ENABLED(HAVE_TMC2130)
-
-#include "tmc2130.h"
-#include "../Marlin.h"
-
-#include "../module/stepper_indirection.h"
-#include "../module/printcounter.h"
-#include "../libs/duration_t.h"
-
-#ifdef AUTOMATIC_CURRENT_CONTROL
-  bool auto_current_control = 0;
-#endif
-
-void automatic_current_control(TMC2130Stepper &st, String axisID) {
-  // Check otpw even if we don't use automatic control. Allows for flag inspection.
-  const bool is_otpw = st.checkOT();
-
-  // Report if a warning was triggered
-  static bool previous_otpw = false;
-  if (is_otpw && !previous_otpw) {
-    char timestamp[10];
-    duration_t elapsed = print_job_timer.duration();
-    const bool has_days = (elapsed.value > 60*60*24L);
-    (void)elapsed.toDigital(timestamp, has_days);
-    SERIAL_ECHO(timestamp);
-    SERIAL_ECHOPGM(": ");
-    SERIAL_ECHO(axisID);
-    SERIAL_ECHOLNPGM(" driver overtemperature warning!");
-  }
-  previous_otpw = is_otpw;
-
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL) && CURRENT_STEP > 0
-    // Return if user has not enabled current control start with M906 S1.
-    if (!auto_current_control) return;
-
-    /**
-     * Decrease current if is_otpw is true.
-     * Bail out if driver is disabled.
-     * Increase current if OTPW has not been triggered yet.
-     */
-    uint16_t current = st.getCurrent();
-    if (is_otpw) {
-      st.setCurrent(current - CURRENT_STEP, R_SENSE, HOLD_MULTIPLIER);
-      #if ENABLED(REPORT_CURRENT_CHANGE)
-        SERIAL_ECHO(axisID);
-        SERIAL_ECHOPAIR(" current decreased to ", st.getCurrent());
-      #endif
-    }
-
-    else if (!st.isEnabled())
-      return;
-
-    else if (!is_otpw && !st.getOTPW()) {
-      current += CURRENT_STEP;
-      if (current <= AUTO_ADJUST_MAX) {
-        st.setCurrent(current, R_SENSE, HOLD_MULTIPLIER);
-        #if ENABLED(REPORT_CURRENT_CHANGE)
-          SERIAL_ECHO(axisID);
-          SERIAL_ECHOPAIR(" current increased to ", st.getCurrent());
-        #endif
-      }
-    }
-    SERIAL_EOL();
-  #endif
-}
-
-void tmc2130_checkOverTemp(void) {
-  static millis_t next_cOT = 0;
-  if (ELAPSED(millis(), next_cOT)) {
-    next_cOT = millis() + 5000;
-    #if ENABLED(X_IS_TMC2130)
-      automatic_current_control(stepperX, "X");
-    #endif
-    #if ENABLED(Y_IS_TMC2130)
-      automatic_current_control(stepperY, "Y");
-    #endif
-    #if ENABLED(Z_IS_TMC2130)
-      automatic_current_control(stepperZ, "Z");
-    #endif
-    #if ENABLED(X2_IS_TMC2130)
-      automatic_current_control(stepperX2, "X2");
-    #endif
-    #if ENABLED(Y2_IS_TMC2130)
-      automatic_current_control(stepperY2, "Y2");
-    #endif
-    #if ENABLED(Z2_IS_TMC2130)
-      automatic_current_control(stepperZ2, "Z2");
-    #endif
-    #if ENABLED(E0_IS_TMC2130)
-      automatic_current_control(stepperE0, "E0");
-    #endif
-    #if ENABLED(E1_IS_TMC2130)
-      automatic_current_control(stepperE1, "E1");
-    #endif
-    #if ENABLED(E2_IS_TMC2130)
-      automatic_current_control(stepperE2, "E2");
-    #endif
-    #if ENABLED(E3_IS_TMC2130)
-      automatic_current_control(stepperE3, "E3");
-    #endif
-    #if ENABLED(E4_IS_TMC2130)
-      automatic_current_control(stepperE4, "E4");
-    #endif
-  }
-}
-
-/**
- * TMC2130 specific sensorless homing using stallGuard2.
- * stallGuard2 only works when in spreadCycle mode.
- * spreadCycle and stealthChop are mutually exclusive.
- */
-#if ENABLED(SENSORLESS_HOMING)
-  void tmc2130_sensorless_homing(TMC2130Stepper &st, bool enable/*=true*/) {
-    #if ENABLED(STEALTHCHOP)
-      if (enable) {
-        st.coolstep_min_speed(1024UL * 1024UL - 1UL);
-        st.stealthChop(0);
-      }
-      else {
-        st.coolstep_min_speed(0);
-        st.stealthChop(1);
-      }
-    #endif
-
-    st.diag1_stall(enable ? 1 : 0);
-  }
-#endif // SENSORLESS_HOMING
-
-#endif // HAVE_TMC2130

Marlin/src/feature/tmc2130.h

@@ -1,38 +0,0 @@
-/**
- * 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 _TMC2130_H_
-#define _TMC2130_H_
-
-#include <TMC2130Stepper.h>
-
-#include "../inc/MarlinConfig.h"
-
-extern bool auto_current_control;
-
-void tmc2130_checkOverTemp(void);
-
-#if ENABLED(SENSORLESS_HOMING)
-  void tmc2130_sensorless_homing(TMC2130Stepper &st, bool enable=true);
-#endif
-
-#endif // _TMC2130_H_

Marlin/src/feature/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

Marlin/src/feature/tmc_util.cpp

@@ -0,0 +1,266 @@
+/**
+ * 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/>.
+ *
+ */
+
+#include "../inc/MarlinConfig.h"
+
+#if HAS_TRINAMIC
+
+#include "tmc_util.h"
+#include "../Marlin.h"
+
+#include "../module/stepper_indirection.h"
+#include "../module/printcounter.h"
+#include "../libs/duration_t.h"
+#include "../gcode/gcode.h"
+
+template<typename TMC>
+void tmc_get_current(TMC &st, const char name[]) {
+  SERIAL_ECHO(name);
+  SERIAL_ECHOPGM(" axis driver current: ");
+  SERIAL_ECHOLN(st.getCurrent());
+}
+template<typename TMC>
+void tmc_set_current(TMC &st, const char name[], const int mA) {
+  st.setCurrent(mA, R_SENSE, HOLD_MULTIPLIER);
+  tmc_get_current(st, name);
+}
+
+template<typename TMC>
+void tmc_report_otpw(TMC &st, const char name[]) {
+  SERIAL_ECHO(name);
+  SERIAL_ECHOPGM(" axis temperature prewarn triggered: ");
+  serialprintPGM(st.getOTPW() ? PSTR("true") : PSTR("false"));
+  SERIAL_EOL();
+}
+template<typename TMC>
+void tmc_clear_otpw(TMC &st, const char name[]) {
+  st.clear_otpw();
+  SERIAL_ECHO(name);
+  SERIAL_ECHOLNPGM(" prewarn flag cleared");
+}
+
+template<typename TMC>
+void tmc_get_pwmthrs(TMC &st, const char name[], const uint16_t spmm) {
+  SERIAL_ECHO(name);
+  SERIAL_ECHOPGM(" stealthChop max speed set to ");
+  SERIAL_ECHOLN(12650000UL * st.microsteps() / (256 * st.TPWMTHRS() * spmm));
+}
+template<typename TMC>
+void tmc_set_pwmthrs(TMC &st, const char name[], const int32_t thrs, const uint32_t spmm) {
+  st.TPWMTHRS(12650000UL * st.microsteps() / (256 * thrs * spmm));
+  tmc_get_pwmthrs(st, name, spmm);
+}
+
+template<typename TMC>
+void tmc_get_sgt(TMC &st, const char name[]) {
+  SERIAL_ECHO(name);
+  SERIAL_ECHOPGM(" driver homing sensitivity set to ");
+  MYSERIAL.println(st.sgt(), DEC);
+}
+template<typename TMC>
+void tmc_set_sgt(TMC &st, const char name[], const int8_t sgt_val) {
+  st.sgt(sgt_val);
+  tmc_get_sgt(st, name);
+}
+
+/*
+ * Check for over temperature or short to ground error flags.
+ * Report and log warning of overtemperature condition.
+ * Reduce driver current in a persistent otpw condition.
+ * Keep track of otpw counter so we don't reduce current on a single instance,
+ * and so we don't repeatedly report warning before the condition is cleared.
+ */
+#if ENABLED(MONITOR_DRIVER_STATUS)
+  struct TMC_driver_data {
+    uint32_t drv_status;
+    bool is_otpw;
+    bool is_ot;
+    bool is_error;
+  };
+  #if ENABLED(HAVE_TMC2130)
+    static uint32_t get_pwm_scale(TMC2130Stepper &st) { return st.PWM_SCALE(); }
+    static uint8_t get_status_response(TMC2130Stepper &st) { return st.status_response&0xF; }
+    static TMC_driver_data get_driver_data(TMC2130Stepper &st) {
+      constexpr uint32_t OTPW_bm = 0x4000000UL;
+      constexpr uint8_t OTPW_bp = 26;
+      constexpr uint32_t OT_bm = 0x2000000UL;
+      constexpr uint8_t OT_bp = 25;
+      constexpr uint8_t DRIVER_ERROR_bm = 0x2UL;
+      constexpr uint8_t DRIVER_ERROR_bp = 1;
+      TMC_driver_data data;
+      data.drv_status = st.DRV_STATUS();
+      data.is_otpw = (data.drv_status & OTPW_bm)>>OTPW_bp;
+      data.is_ot = (data.drv_status & OT_bm)>>OT_bp;
+      data.is_error = (st.status_response & DRIVER_ERROR_bm)>>DRIVER_ERROR_bp;
+      return data;
+    }
+  #endif
+  #if ENABLED(HAVE_TMC2208)
+    static uint32_t get_pwm_scale(TMC2208Stepper &st) { return st.pwm_scale_sum(); }
+    static uint8_t get_status_response(TMC2208Stepper &st) {
+      uint32_t drv_status = st.DRV_STATUS();
+      uint8_t gstat = st.GSTAT();
+      uint8_t response = 0;
+      response |= (drv_status >> (31-3)) & 0b1000;
+      response |= gstat & 0b11;
+      return response;
+    }
+    static TMC_driver_data get_driver_data(TMC2208Stepper &st) {
+      constexpr uint32_t OTPW_bm = 0b1ul;
+      constexpr uint8_t OTPW_bp = 0;
+      constexpr uint32_t OT_bm = 0b10ul;
+      constexpr uint8_t OT_bp = 1;
+      TMC_driver_data data;
+      data.drv_status = st.DRV_STATUS();
+      data.is_otpw = (data.drv_status & OTPW_bm)>>OTPW_bp;
+      data.is_ot = (data.drv_status & OT_bm)>>OT_bp;
+      data.is_error = st.drv_err();
+      return data;
+    }
+  #endif
+
+  template<typename TMC>
+  uint8_t monitor_tmc_driver(TMC &st, const char axisID, uint8_t otpw_cnt) {
+    TMC_driver_data data = get_driver_data(st);
+
+    #if ENABLED(STOP_ON_ERROR)
+      if (data.is_error) {
+        SERIAL_EOL();
+        SERIAL_ECHO(axisID);
+        SERIAL_ECHO(" driver error detected:");
+        if (data.is_ot) SERIAL_ECHO("\novertemperature");
+        if (st.s2ga()) SERIAL_ECHO("\nshort to ground (coil A)");
+        if (st.s2gb()) SERIAL_ECHO("\nshort to ground (coil B)");
+        SERIAL_EOL();
+        #if ENABLED(TMC_DEBUG)
+          _M122();
+        #endif
+        kill(PSTR("Driver error"));
+      }
+    #endif
+
+    // Report if a warning was triggered
+    if (data.is_otpw && otpw_cnt==0) {
+      char timestamp[10];
+      duration_t elapsed = print_job_timer.duration();
+      const bool has_days = (elapsed.value > 60*60*24L);
+      (void)elapsed.toDigital(timestamp, has_days);
+      SERIAL_EOL();
+      SERIAL_ECHO(timestamp);
+      SERIAL_ECHOPGM(": ");
+      SERIAL_ECHO(axisID);
+      SERIAL_ECHOPGM(" driver overtemperature warning! (");
+      SERIAL_ECHO(st.getCurrent());
+      SERIAL_ECHOLN("mA)");
+    }
+    #if CURRENT_STEP_DOWN > 0
+      // Decrease current if is_otpw is true and driver is enabled and there's been more then 4 warnings
+      if (data.is_otpw && !st.isEnabled() && otpw_cnt > 4) {
+        st.setCurrent(st.getCurrent() - CURRENT_STEP_DOWN, R_SENSE, HOLD_MULTIPLIER);
+        #if ENABLED(REPORT_CURRENT_CHANGE)
+          SERIAL_ECHO(axisID);
+          SERIAL_ECHOLNPAIR(" current decreased to ", st.getCurrent());
+        #endif
+      }
+    #endif
+
+    if (data.is_otpw) {
+      otpw_cnt++;
+      st.flag_otpw = true;
+    }
+    else if (otpw_cnt>0) otpw_cnt--;
+
+    if (report_tmc_status) {
+      const uint32_t pwm_scale = get_pwm_scale(st);
+      SERIAL_ECHO(axisID);
+      SERIAL_ECHOPAIR(":", pwm_scale);
+      SERIAL_ECHO(" |0b"); MYSERIAL.print(get_status_response(st), BIN);
+      SERIAL_ECHO("| ");
+      if (data.is_error) SERIAL_ECHO('E');
+      else if (data.is_ot) SERIAL_ECHO('O');
+      else if (data.is_otpw) SERIAL_ECHO('W');
+      else if (otpw_cnt>0) MYSERIAL.print(otpw_cnt, DEC);
+      else if (st.flag_otpw) SERIAL_ECHO('F');
+      SERIAL_ECHO("\t");
+    }
+
+    return otpw_cnt;
+  }
+
+  #define HAS_HW_COMMS(ST) ENABLED(ST##_IS_TMC2130)|| (ENABLED(ST##_IS_TMC2208) && defined(ST##_HARDWARE_SERIAL))
+
+  void monitor_tmc_driver() {
+    static millis_t next_cOT = 0;
+    if (ELAPSED(millis(), next_cOT)) {
+      next_cOT = millis() + 500;
+      #if HAS_HW_COMMS(X) || ENABLED(IS_TRAMS)
+        static uint8_t x_otpw_cnt = 0;
+        x_otpw_cnt = monitor_tmc_driver(stepperX, axis_codes[X_AXIS], x_otpw_cnt);
+      #endif
+      #if HAS_HW_COMMS(Y) || ENABLED(IS_TRAMS)
+        static uint8_t y_otpw_cnt = 0;
+        y_otpw_cnt = monitor_tmc_driver(stepperY, axis_codes[Y_AXIS], y_otpw_cnt);
+      #endif
+      #if HAS_HW_COMMS(Z) || ENABLED(IS_TRAMS)
+        static uint8_t z_otpw_cnt = 0;
+        z_otpw_cnt = monitor_tmc_driver(stepperZ, axis_codes[Z_AXIS], z_otpw_cnt);
+      #endif
+      #if HAS_HW_COMMS(X2)
+        static uint8_t x2_otpw_cnt = 0;
+        x2_otpw_cnt = monitor_tmc_driver(stepperX2, axis_codes[X_AXIS], x2_otpw_cnt);
+      #endif
+      #if HAS_HW_COMMS(Y2)
+        static uint8_t y2_otpw_cnt = 0;
+        y2_otpw_cnt = monitor_tmc_driver(stepperY2, axis_codes[Y_AXIS], y2_otpw_cnt);
+      #endif
+      #if HAS_HW_COMMS(Z2)
+        static uint8_t z2_otpw_cnt = 0;
+        z2_otpw_cnt = monitor_tmc_driver(stepperZ2, axis_codes[Z_AXIS], z2_otpw_cnt);
+      #endif
+      #if HAS_HW_COMMS(E0) || ENABLED(IS_TRAMS)
+        static uint8_t e0_otpw_cnt = 0;
+        e0_otpw_cnt = monitor_tmc_driver(stepperE0, axis_codes[E_AXIS], e0_otpw_cnt);
+      #endif
+      #if HAS_HW_COMMS(E1)
+        static uint8_t e1_otpw_cnt = 0;
+        e1_otpw_cnt = monitor_tmc_driver(stepperE1, axis_codes[E_AXIS], e1_otpw_cnt);
+      #endif
+      #if HAS_HW_COMMS(E2)
+        static uint8_t e2_otpw_cnt = 0;
+        e2_otpw_cnt = monitor_tmc_driver(stepperE2, axis_codes[E_AXIS], e2_otpw_cnt);
+      #endif
+      #if HAS_HW_COMMS(E3)
+        static uint8_t e3_otpw_cnt = 0;
+        e3_otpw_cnt = monitor_tmc_driver(stepperE3, axis_codes[E_AXIS], e3_otpw_cnt);
+      #endif
+      #if HAS_HW_COMMS(E4)
+        static uint8_t e4_otpw_cnt = 0;
+        e4_otpw_cnt = monitor_tmc_driver(stepperE4, axis_codes[E_AXIS], e4_otpw_cnt);
+      #endif
+
+      if (report_tmc_status) SERIAL_EOL();
+    }
+  }
+
+#endif // MONITOR_DRIVER_STATUS
+
+#endif // HAS_TRINAMIC

Marlin/src/feature/tmc_util.h

@@ -0,0 +1,82 @@
+/**
+ * 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_UTIL_H_
+#define _TMC_UTIL_H_
+
+#include <TMC2130Stepper.h>
+
+#include "../inc/MarlinConfig.h"
+
+static bool report_tmc_status = false;
+const char extended_axis_codes[11][3] = { "X", "X2", "Y", "Y2", "Z", "Z2", "E0", "E1", "E2", "E3", "E4" };
+enum TMC_AxisEnum {
+  TMC_X, TMC_X2, TMC_Y, TMC_Y2, TMC_Z, TMC_Z2,
+  TMC_E0, TMC_E1, TMC_E2, TMC_E3, TMC_E4
+};
+
+template<typename TMC>
+void tmc_get_current(TMC &st, const char name[]);
+template<typename TMC>
+void tmc_set_current(TMC &st, const char name[], const int mA);
+template<typename TMC>
+void tmc_report_otpw(TMC &st, const char name[]);
+template<typename TMC>
+void tmc_clear_otpw(TMC &st, const char name[]);
+template<typename TMC>
+void tmc_get_pwmthrs(TMC &st, const char name[], const uint16_t spmm);
+template<typename TMC>
+void tmc_set_pwmthrs(TMC &st, const char name[], const int32_t thrs, const uint32_t spmm);
+template<typename TMC>
+void tmc_get_sgt(TMC &st, const char name[]);
+template<typename TMC>
+void tmc_set_sgt(TMC &st, const char name[], const int8_t sgt_val);
+
+void _M122();
+void monitor_tmc_driver();
+
+/**
+ * TMC2130 specific sensorless homing using stallGuard2.
+ * stallGuard2 only works when in spreadCycle mode.
+ * spreadCycle and stealthChop are mutually exclusive.
+ *
+ * Defined here because of limitations with templates and headers.
+ */
+#if ENABLED(SENSORLESS_HOMING)
+  template<typename TMC>
+  void tmc_sensorless_homing(TMC &st, bool enable=true) {
+    #if ENABLED(STEALTHCHOP)
+      if (enable) {
+        st.coolstep_min_speed(1024UL * 1024UL - 1UL);
+        st.stealthChop(0);
+      }
+      else {
+        st.coolstep_min_speed(0);
+        st.stealthChop(1);
+      }
+    #endif
+
+    st.diag1_stall(enable ? 1 : 0);
+  }
+#endif
+
+#endif // _TMC_UTIL_H_

Marlin/src/gcode/control/M80_M81.cpp

@@ -45,8 +45,8 @@
     #endif
   ;
 
-  #if ENABLED(HAVE_TMC2130)
-    #include "../../feature/tmc2130.h"
+  #if HAS_TRINAMIC
+    #include "../../feature/tmc_util.h"
   #endif
 
   /**
@@ -77,6 +77,11 @@
       tmc2130_init(); // Settings only stick when the driver has power
     #endif
 
+    #if ENABLED(HAVE_TMC2208)
+      delay(100);
+      tmc2208_init();
+    #endif
+
     powersupply_on = true;
 
     #if ENABLED(ULTIPANEL)

Marlin/src/gcode/feature/trinamic/M122.cpp

@@ -0,0 +1,342 @@
+/**
+ * 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/>.
+ *
+ */
+
+#include "../../../inc/MarlinConfig.h"
+
+#if ENABLED(TMC_DEBUG)
+
+#include "../../gcode.h"
+#include "../../../feature/tmc_util.h"
+#include "../../../module/stepper_indirection.h"
+#include "../../../module/planner.h"
+
+enum TMC_debug_enum {
+  TMC_CODES,
+  TMC_ENABLED,
+  TMC_CURRENT,
+  TMC_RMS_CURRENT,
+  TMC_MAX_CURRENT,
+  TMC_IRUN,
+  TMC_IHOLD,
+  TMC_CS_ACTUAL,
+  TMC_PWM_SCALE,
+  TMC_VSENSE,
+  TMC_STEALTHCHOP,
+  TMC_MICROSTEPS,
+  TMC_TSTEP,
+  TMC_TPWMTHRS,
+  TMC_TPWMTHRS_MMS,
+  TMC_OTPW,
+  TMC_OTPW_TRIGGERED,
+  TMC_TOFF,
+  TMC_TBL,
+  TMC_HEND,
+  TMC_HSTRT,
+  TMC_SGT
+};
+enum TMC_drv_status_enum {
+  TMC_DRV_CODES,
+  TMC_STST,
+  TMC_OLB,
+  TMC_OLA,
+  TMC_S2GB,
+  TMC_S2GA,
+  TMC_DRV_OTPW,
+  TMC_OT,
+  TMC_STALLGUARD,
+  TMC_DRV_CS_ACTUAL,
+  TMC_FSACTIVE,
+  TMC_SG_RESULT,
+  TMC_DRV_STATUS_HEX,
+  TMC_T157,
+  TMC_T150,
+  TMC_T143,
+  TMC_T120,
+  TMC_STEALTH,
+  TMC_S2VSB,
+  TMC_S2VSA
+};
+static void drv_status_print_hex(const char name[], const uint32_t drv_status) {
+  SERIAL_ECHO(name);
+  SERIAL_ECHOPGM(" = 0x");
+  for(int B=24; B>=8; B-=8){
+    MYSERIAL.print((drv_status>>(B+4))&0xF, HEX);
+    MYSERIAL.print((drv_status>>B)&0xF, HEX);
+    MYSERIAL.print(':');
+  }
+  MYSERIAL.print((drv_status>>4)&0xF, HEX);
+  MYSERIAL.print((drv_status)&0xF, HEX);
+  SERIAL_EOL();
+}
+
+#if ENABLED(HAVE_TMC2130)
+  static void tmc_status(TMC2130Stepper &st, const TMC_debug_enum i) {
+    switch(i) {
+      case TMC_PWM_SCALE: MYSERIAL.print(st.PWM_SCALE(), DEC); break;
+      case TMC_TSTEP: SERIAL_ECHO(st.TSTEP()); break;
+      case TMC_SGT: MYSERIAL.print(st.sgt(), DEC); break;
+      case TMC_STEALTHCHOP: serialprintPGM(st.stealthChop() ? PSTR("true") : PSTR("false")); break;
+      default: break;
+    }
+  }
+  static void tmc_parse_drv_status(TMC2130Stepper &st, const TMC_drv_status_enum i) {
+    switch(i) {
+      case TMC_STALLGUARD: if (st.stallguard()) SERIAL_ECHOPGM("X"); break;
+      case TMC_SG_RESULT:  MYSERIAL.print(st.sg_result(), DEC);      break;
+      case TMC_FSACTIVE:   if (st.fsactive())   SERIAL_ECHOPGM("X"); break;
+      default: break;
+    }
+  }
+#endif
+#if ENABLED(HAVE_TMC2208)
+  static void tmc_status(TMC2208Stepper &st, const TMC_debug_enum i) {
+    switch(i) {
+      case TMC_TSTEP:
+        {
+          uint32_t data = 0;
+          st.TSTEP(&data);
+          MYSERIAL.print(data);
+          break;
+        }
+      case TMC_PWM_SCALE: MYSERIAL.print(st.pwm_scale_sum(), DEC); break;
+      case TMC_STEALTHCHOP: serialprintPGM(st.stealth() ? PSTR("true") : PSTR("false")); break;
+      case TMC_S2VSA: if (st.s2vsa()) SERIAL_ECHOPGM("X"); break;
+      case TMC_S2VSB: if (st.s2vsb()) SERIAL_ECHOPGM("X"); break;
+      default: break;
+    }
+  }
+  static void tmc_parse_drv_status(TMC2208Stepper &st, const TMC_drv_status_enum i) {
+    switch(i) {
+      case TMC_T157: if (st.t157()) SERIAL_ECHOPGM("X"); break;
+      case TMC_T150: if (st.t150()) SERIAL_ECHOPGM("X"); break;
+      case TMC_T143: if (st.t143()) SERIAL_ECHOPGM("X"); break;
+      case TMC_T120: if (st.t120()) SERIAL_ECHOPGM("X"); break;
+      default: break;
+    }
+  }
+#endif
+template <typename TMC>
+static void tmc_status(TMC &st, TMC_AxisEnum axis, const TMC_debug_enum i, const float spmm) {
+  SERIAL_ECHO('\t');
+  switch(i) {
+    case TMC_CODES: SERIAL_ECHO(extended_axis_codes[axis]); break;
+    case TMC_ENABLED: serialprintPGM(st.isEnabled() ? PSTR("true") : PSTR("false")); break;
+    case TMC_CURRENT: SERIAL_ECHO(st.getCurrent()); break;
+    case TMC_RMS_CURRENT: MYSERIAL.print(st.rms_current()); break;
+    case TMC_MAX_CURRENT: MYSERIAL.print((float)st.rms_current()*1.41, 0); break;
+    case TMC_IRUN:
+      MYSERIAL.print(st.irun(), DEC);
+      SERIAL_ECHOPGM("/31");
+      break;
+    case TMC_IHOLD:
+      MYSERIAL.print(st.ihold(), DEC);
+      SERIAL_ECHOPGM("/31");
+      break;
+    case TMC_CS_ACTUAL:
+      MYSERIAL.print(st.cs_actual(), DEC);
+      SERIAL_ECHOPGM("/31");
+      break;
+
+    case TMC_VSENSE: serialprintPGM(st.vsense() ? PSTR("1=.18") : PSTR("0=.325")); break;
+
+    case TMC_MICROSTEPS: SERIAL_ECHO(st.microsteps()); break;
+    case TMC_TPWMTHRS:
+      {
+        uint32_t tpwmthrs_val = st.TPWMTHRS();
+        SERIAL_ECHO(tpwmthrs_val);
+      }
+      break;
+    case TMC_TPWMTHRS_MMS:
+      {
+        uint32_t tpwmthrs_val = st.TPWMTHRS();
+        tpwmthrs_val ? SERIAL_ECHO(12650000UL * st.microsteps() / (256 * tpwmthrs_val * spmm)) : SERIAL_ECHO('-');
+      }
+      break;
+    case TMC_OTPW: serialprintPGM(st.otpw() ? PSTR("true") : PSTR("false")); break;
+    case TMC_OTPW_TRIGGERED: serialprintPGM(st.getOTPW() ? PSTR("true") : PSTR("false")); break;
+    case TMC_TOFF: MYSERIAL.print(st.toff(), DEC); break;
+    case TMC_TBL: MYSERIAL.print(st.blank_time(), DEC); break;
+    case TMC_HEND: MYSERIAL.print(st.hysterisis_end(), DEC); break;
+    case TMC_HSTRT: MYSERIAL.print(st.hysterisis_start(), DEC); break;
+    default: tmc_status(st, i); break;
+  }
+}
+template <typename TMC>
+static void tmc_parse_drv_status(TMC &st, TMC_AxisEnum axis, const TMC_drv_status_enum i) {
+  SERIAL_ECHOPGM("\t");
+  switch(i) {
+    case TMC_DRV_CODES:     SERIAL_ECHO(extended_axis_codes[axis]);  break;
+    case TMC_STST:          if (st.stst())         SERIAL_ECHOPGM("X"); break;
+    case TMC_OLB:           if (st.olb())          SERIAL_ECHOPGM("X"); break;
+    case TMC_OLA:           if (st.ola())          SERIAL_ECHOPGM("X"); break;
+    case TMC_S2GB:          if (st.s2gb())         SERIAL_ECHOPGM("X"); break;
+    case TMC_S2GA:          if (st.s2ga())         SERIAL_ECHOPGM("X"); break;
+    case TMC_DRV_OTPW:      if (st.otpw())         SERIAL_ECHOPGM("X"); break;
+    case TMC_OT:            if (st.ot())           SERIAL_ECHOPGM("X"); break;
+    case TMC_DRV_CS_ACTUAL: MYSERIAL.print(st.cs_actual(), DEC);        break;
+    case TMC_DRV_STATUS_HEX:drv_status_print_hex(extended_axis_codes[axis], st.DRV_STATUS()); break;
+    default: tmc_parse_drv_status(st, i); break;
+  }
+}
+
+static void tmc_debug_loop(const TMC_debug_enum i) {
+  #if X_IS_TRINAMIC
+    tmc_status(stepperX, TMC_X, i, planner.axis_steps_per_mm[X_AXIS]);
+  #endif
+  #if X2_IS_TRINAMIC
+    tmc_status(stepperX2, TMC_X2, i, planner.axis_steps_per_mm[X_AXIS]);
+  #endif
+
+  #if Y_IS_TRINAMIC
+    tmc_status(stepperY, TMC_Y, i, planner.axis_steps_per_mm[Y_AXIS]);
+  #endif
+  #if Y2_IS_TRINAMIC
+    tmc_status(stepperY2, TMC_Y2, i, planner.axis_steps_per_mm[Y_AXIS]);
+  #endif
+
+  #if Z_IS_TRINAMIC
+    tmc_status(stepperZ, TMC_Z, i, planner.axis_steps_per_mm[Z_AXIS]);
+  #endif
+  #if Z2_IS_TRINAMIC
+    tmc_status(stepperZ2, TMC_Z2, i, planner.axis_steps_per_mm[Z_AXIS]);
+  #endif
+
+  #if E0_IS_TRINAMIC
+    tmc_status(stepperE0, TMC_E0, i, planner.axis_steps_per_mm[E_AXIS]);
+  #endif
+  #if E1_IS_TRINAMIC
+    tmc_status(stepperE1, TMC_E1, i, planner.axis_steps_per_mm[E_AXIS+1]);
+  #endif
+  #if E2_IS_TRINAMIC
+    tmc_status(stepperE2, TMC_E2, i, planner.axis_steps_per_mm[E_AXIS+2]);
+  #endif
+  #if E3_IS_TRINAMIC
+    tmc_status(stepperE3, TMC_E3, i, planner.axis_steps_per_mm[E_AXIS+3]);
+  #endif
+  #if E4_IS_TRINAMIC
+    tmc_status(stepperE4, TMC_E4, i, planner.axis_steps_per_mm[E_AXIS+4]);
+  #endif
+
+  SERIAL_EOL();
+}
+
+static void drv_status_loop(const TMC_drv_status_enum i) {
+  #if X_IS_TRINAMIC
+    tmc_parse_drv_status(stepperX, TMC_X, i);
+  #endif
+  #if X2_IS_TRINAMIC
+    tmc_parse_drv_status(stepperX2, TMC_X2, i);
+  #endif
+
+  #if Y_IS_TRINAMIC
+    tmc_parse_drv_status(stepperY, TMC_Y, i);
+  #endif
+  #if Y2_IS_TRINAMIC
+    tmc_parse_drv_status(stepperY2, TMC_Y2, i);
+  #endif
+
+  #if Z_IS_TRINAMIC
+    tmc_parse_drv_status(stepperZ, TMC_Z, i);
+  #endif
+  #if Z2_IS_TRINAMIC
+    tmc_parse_drv_status(stepperZ2, TMC_Z2, i);
+  #endif
+
+  #if E0_IS_TRINAMIC
+    tmc_parse_drv_status(stepperE0, TMC_E0, i);
+  #endif
+  #if E1_IS_TRINAMIC
+    tmc_parse_drv_status(stepperE1, TMC_E1, i);
+  #endif
+  #if E2_IS_TRINAMIC
+    tmc_parse_drv_status(stepperE2, TMC_E2, i);
+  #endif
+  #if E3_IS_TRINAMIC
+    tmc_parse_drv_status(stepperE3, TMC_E3, i);
+  #endif
+  #if E4_IS_TRINAMIC
+    tmc_parse_drv_status(stepperE4, TMC_E4, i);
+  #endif
+
+  SERIAL_EOL();
+}
+
+void _M122() {
+  if (parser.seen('S')) {
+    if (parser.value_bool()) {
+      SERIAL_ECHOLNPGM("axis:pwm_scale |status_response|");
+      report_tmc_status = true;
+    } else
+      report_tmc_status = false;
+  } else {
+    SERIAL_ECHOPGM("\t");                 tmc_debug_loop(TMC_CODES);
+    SERIAL_ECHOPGM("Enabled\t");          tmc_debug_loop(TMC_ENABLED);
+    SERIAL_ECHOPGM("Set current");        tmc_debug_loop(TMC_CURRENT);
+    SERIAL_ECHOPGM("RMS current");        tmc_debug_loop(TMC_RMS_CURRENT);
+    SERIAL_ECHOPGM("MAX current");        tmc_debug_loop(TMC_MAX_CURRENT);
+    SERIAL_ECHOPGM("Run current");        tmc_debug_loop(TMC_IRUN);
+    SERIAL_ECHOPGM("Hold current");       tmc_debug_loop(TMC_IHOLD);
+    SERIAL_ECHOPGM("CS actual\t");        tmc_debug_loop(TMC_CS_ACTUAL);
+    SERIAL_ECHOPGM("PWM scale");          tmc_debug_loop(TMC_PWM_SCALE);
+    SERIAL_ECHOPGM("vsense\t");           tmc_debug_loop(TMC_VSENSE);
+    SERIAL_ECHOPGM("stealthChop");        tmc_debug_loop(TMC_STEALTHCHOP);
+    SERIAL_ECHOPGM("msteps\t");           tmc_debug_loop(TMC_MICROSTEPS);
+    SERIAL_ECHOPGM("tstep\t");            tmc_debug_loop(TMC_TSTEP);
+    SERIAL_ECHOPGM("pwm\nthreshold\t");   tmc_debug_loop(TMC_TPWMTHRS);
+    SERIAL_ECHOPGM("[mm/s]\t");           tmc_debug_loop(TMC_TPWMTHRS_MMS);
+    SERIAL_ECHOPGM("OT prewarn");         tmc_debug_loop(TMC_OTPW);
+    SERIAL_ECHOPGM("OT prewarn has\nbeen triggered"); tmc_debug_loop(TMC_OTPW_TRIGGERED);
+    SERIAL_ECHOPGM("off time\t");         tmc_debug_loop(TMC_TOFF);
+    SERIAL_ECHOPGM("blank time");         tmc_debug_loop(TMC_TBL);
+    SERIAL_ECHOPGM("hysterisis\n-end\t"); tmc_debug_loop(TMC_HEND);
+    SERIAL_ECHOPGM("-start\t");           tmc_debug_loop(TMC_HSTRT);
+    SERIAL_ECHOPGM("Stallguard thrs");    tmc_debug_loop(TMC_SGT);
+
+    SERIAL_ECHOPGM("DRVSTATUS");          drv_status_loop(TMC_DRV_CODES);
+    #if ENABLED(HAVE_TMC2130)
+      SERIAL_ECHOPGM("stallguard\t");     drv_status_loop(TMC_STALLGUARD);
+      SERIAL_ECHOPGM("sg_result\t");      drv_status_loop(TMC_SG_RESULT);
+      SERIAL_ECHOPGM("fsactive\t");       drv_status_loop(TMC_FSACTIVE);
+    #endif
+    SERIAL_ECHOPGM("stst\t");             drv_status_loop(TMC_STST);
+    SERIAL_ECHOPGM("olb\t");              drv_status_loop(TMC_OLB);
+    SERIAL_ECHOPGM("ola\t");              drv_status_loop(TMC_OLA);
+    SERIAL_ECHOPGM("s2gb\t");             drv_status_loop(TMC_S2GB);
+    SERIAL_ECHOPGM("s2ga\t");             drv_status_loop(TMC_S2GA);
+    SERIAL_ECHOPGM("otpw\t");             drv_status_loop(TMC_DRV_OTPW);
+    SERIAL_ECHOPGM("ot\t");               drv_status_loop(TMC_OT);
+    #if ENABLED(HAVE_TMC2208)
+      SERIAL_ECHOPGM("157C\t");           drv_status_loop(TMC_T157);
+      SERIAL_ECHOPGM("150C\t");           drv_status_loop(TMC_T150);
+      SERIAL_ECHOPGM("143C\t");           drv_status_loop(TMC_T143);
+      SERIAL_ECHOPGM("120C\t");           drv_status_loop(TMC_T120);
+      SERIAL_ECHOPGM("s2vsa\t");          drv_status_loop(TMC_S2VSA);
+      SERIAL_ECHOPGM("s2vsb\t");          drv_status_loop(TMC_S2VSB);
+    #endif
+    SERIAL_ECHOLNPGM("Driver registers:");drv_status_loop(TMC_DRV_STATUS_HEX);
+  }
+}
+
+// We need to call M122 from monitor_tmc_driver() as well but GcodeSuite::M122 is private.
+inline void GcodeSuite::M122() { _M122(); }
+
+#endif // TMC_DEBUG

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

@@ -22,54 +22,67 @@
 
 #include "../../../inc/MarlinConfig.h"
 
-#if ENABLED(HAVE_TMC2130)
+#if HAS_TRINAMIC
 
 #include "../../gcode.h"
-#include "../../../feature/tmc2130.h"
+#include "../../../feature/tmc_util.h"
 #include "../../../module/stepper_indirection.h"
-
-inline void tmc2130_get_current(TMC2130Stepper &st, const char name) {
-  SERIAL_CHAR(name);
-  SERIAL_ECHOPGM(" axis driver current: ");
-  SERIAL_ECHOLN(st.getCurrent());
-}
-inline void tmc2130_set_current(TMC2130Stepper &st, const char name, const int mA) {
-  st.setCurrent(mA, R_SENSE, HOLD_MULTIPLIER);
-  tmc2130_get_current(st, name);
-}
+#include "../../../module/planner.h"
 
 /**
  * M906: Set motor current in milliamps using axis codes X, Y, Z, E
  * Report driver currents when no axis specified
- *
- * S1: Enable automatic current control
- * S0: Disable
  */
-void GcodeSuite::M906() {
+inline void GcodeSuite::M906() {
   uint16_t values[XYZE];
   LOOP_XYZE(i)
     values[i] = parser.intval(axis_codes[i]);
 
-  #if ENABLED(X_IS_TMC2130)
-    if (values[X_AXIS]) tmc2130_set_current(stepperX, 'X', values[X_AXIS]);
-    else tmc2130_get_current(stepperX, 'X');
+  #if X_IS_TRINAMIC
+    if (values[X_AXIS]) tmc_set_current(stepperX, extended_axis_codes[TMC_X], values[X_AXIS]);
+    else tmc_get_current(stepperX, extended_axis_codes[TMC_X]);
   #endif
-  #if ENABLED(Y_IS_TMC2130)
-    if (values[Y_AXIS]) tmc2130_set_current(stepperY, 'Y', values[Y_AXIS]);
-    else tmc2130_get_current(stepperY, 'Y');
+  #if X2_IS_TRINAMIC
+    if (values[X_AXIS]) tmc_set_current(stepperX2, extended_axis_codes[TMC_X2], values[X_AXIS]);
+    else tmc_get_current(stepperX2, extended_axis_codes[TMC_X2]);
   #endif
-  #if ENABLED(Z_IS_TMC2130)
-    if (values[Z_AXIS]) tmc2130_set_current(stepperZ, 'Z', values[Z_AXIS]);
-    else tmc2130_get_current(stepperZ, 'Z');
+  #if Y_IS_TRINAMIC
+    if (values[Y_AXIS]) tmc_set_current(stepperY, extended_axis_codes[TMC_Y], values[Y_AXIS]);
+    else tmc_get_current(stepperY, extended_axis_codes[TMC_Y]);
   #endif
-  #if ENABLED(E0_IS_TMC2130)
-    if (values[E_AXIS]) tmc2130_set_current(stepperE0, 'E', values[E_AXIS]);
-    else tmc2130_get_current(stepperE0, 'E');
+  #if Y2_IS_TRINAMIC
+    if (values[Y_AXIS]) tmc_set_current(stepperY2, extended_axis_codes[TMC_Y2], values[Y_AXIS]);
+    else tmc_get_current(stepperY2, extended_axis_codes[TMC_Y2]);
   #endif
-
-  #if ENABLED(AUTOMATIC_CURRENT_CONTROL)
-    if (parser.seen('S')) auto_current_control = parser.value_bool();
+  #if Z_IS_TRINAMIC
+    if (values[Z_AXIS]) tmc_set_current(stepperZ, extended_axis_codes[TMC_Z], values[Z_AXIS]);
+    else tmc_get_current(stepperZ, extended_axis_codes[TMC_Z]);
+  #endif
+  #if Z2_IS_TRINAMIC
+    if (values[Z_AXIS]) tmc_set_current(stepperZ2, extended_axis_codes[TMC_Z2], values[Z_AXIS]);
+    else tmc_get_current(stepperZ2, extended_axis_codes[TMC_Z2]);
   #endif
+  #if E0_IS_TRINAMIC
+    if (values[E_AXIS]) tmc_set_current(stepperE0, extended_axis_codes[TMC_E0], values[E_AXIS]);
+    else tmc_get_current(stepperE0, extended_axis_codes[TMC_E0]);
+  #endif
+  #if E1_IS_TRINAMIC
+    if (values[E_AXIS]) tmc_set_current(stepperE1, extended_axis_codes[TMC_E1], values[E_AXIS]);
+    else tmc_get_current(stepperE1, extended_axis_codes[TMC_E1]);
+  #endif
+  #if E2_IS_TRINAMIC
+    if (values[E_AXIS]) tmc_set_current(stepperE2, extended_axis_codes[TMC_E2], values[E_AXIS]);
+    else tmc_get_current(stepperE2, extended_axis_codes[TMC_E2]);
+  #endif
+  #if E3_IS_TRINAMIC
+    if (values[E_AXIS]) tmc_set_current(stepperE3, extended_axis_codes[TMC_E3], values[E_AXIS]);
+    else tmc_get_current(stepperE3, extended_axis_codes[TMC_E3]);
+  #endif
+  #if E4_IS_TRINAMIC
+    if (values[E_AXIS]) tmc_set_current(stepperE4, extended_axis_codes[TMC_E4], values[E_AXIS]);
+    else tmc_get_current(stepperE4, extended_axis_codes[TMC_E4]);
+  #endif
+
 }
 
-#endif // HAVE_TMC2130
+#endif // HAS_TRINAMIC

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

@@ -1,155 +0,0 @@
-/**
- * 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/>.
- *
- */
-
-#include "../../../inc/MarlinConfig.h"
-
-#if ENABLED(HAVE_TMC2130)
-
-#include "../../gcode.h"
-#include "../../../feature/tmc2130.h"
-#include "../../../module/stepper_indirection.h"
-
-inline void tmc2130_report_otpw(TMC2130Stepper &st, const char name) {
-  SERIAL_CHAR(name);
-  SERIAL_ECHOPGM(" axis temperature prewarn triggered: ");
-  serialprintPGM(st.getOTPW() ? PSTR("true") : PSTR("false"));
-  SERIAL_EOL();
-}
-
-/**
- * M911: Report TMC2130 stepper driver overtemperature pre-warn flag
- * The flag is held by the library and persist until manually cleared by M912
- */
-void GcodeSuite::M911() {
-  const bool reportX = parser.seen('X'), reportY = parser.seen('Y'), reportZ = parser.seen('Z'), reportE = parser.seen('E'),
-           reportAll = (!reportX && !reportY && !reportZ && !reportE) || (reportX && reportY && reportZ && reportE);
-  #if ENABLED(X_IS_TMC2130)
-    if (reportX || reportAll) tmc2130_report_otpw(stepperX, 'X');
-  #endif
-  #if ENABLED(Y_IS_TMC2130)
-    if (reportY || reportAll) tmc2130_report_otpw(stepperY, 'Y');
-  #endif
-  #if ENABLED(Z_IS_TMC2130)
-    if (reportZ || reportAll) tmc2130_report_otpw(stepperZ, 'Z');
-  #endif
-  #if ENABLED(E0_IS_TMC2130)
-    if (reportE || reportAll) tmc2130_report_otpw(stepperE0, 'E');
-  #endif
-}
-
-inline void tmc2130_clear_otpw(TMC2130Stepper &st, const char name) {
-  st.clear_otpw();
-  SERIAL_CHAR(name);
-  SERIAL_ECHOLNPGM(" prewarn flag cleared");
-}
-
-/**
- * M912: Clear TMC2130 stepper driver overtemperature pre-warn flag held by the library
- */
-void GcodeSuite::M912() {
-  const bool clearX = parser.seen('X'), clearY = parser.seen('Y'), clearZ = parser.seen('Z'), clearE = parser.seen('E'),
-           clearAll = (!clearX && !clearY && !clearZ && !clearE) || (clearX && clearY && clearZ && clearE);
-  #if ENABLED(X_IS_TMC2130)
-    if (clearX || clearAll) tmc2130_clear_otpw(stepperX, 'X');
-  #endif
-  #if ENABLED(Y_IS_TMC2130)
-    if (clearY || clearAll) tmc2130_clear_otpw(stepperY, 'Y');
-  #endif
-  #if ENABLED(Z_IS_TMC2130)
-    if (clearZ || clearAll) tmc2130_clear_otpw(stepperZ, 'Z');
-  #endif
-  #if ENABLED(E0_IS_TMC2130)
-    if (clearE || clearAll) tmc2130_clear_otpw(stepperE0, 'E');
-  #endif
-}
-
-#if ENABLED(HYBRID_THRESHOLD)
-
-  #include "../../../module/planner.h"
-
-  inline void tmc2130_get_pwmthrs(TMC2130Stepper &st, const char name, const uint16_t spmm) {
-    SERIAL_CHAR(name);
-    SERIAL_ECHOPGM(" stealthChop max speed set to ");
-    SERIAL_ECHOLN(12650000UL * st.microsteps() / (256 * st.stealth_max_speed() * spmm));
-  }
-  inline void tmc2130_set_pwmthrs(TMC2130Stepper &st, const char name, const int32_t thrs, const uint32_t spmm) {
-    st.stealth_max_speed(12650000UL * st.microsteps() / (256 * thrs * spmm));
-    tmc2130_get_pwmthrs(st, name, spmm);
-  }
-
-  /**
-   * M913: Set HYBRID_THRESHOLD speed.
-   */
-  void GcodeSuite::M913() {
-    uint16_t values[XYZE];
-    LOOP_XYZE(i)
-      values[i] = parser.intval(axis_codes[i]);
-
-    #if ENABLED(X_IS_TMC2130)
-      if (values[X_AXIS]) tmc2130_set_pwmthrs(stepperX, 'X', values[X_AXIS], planner.axis_steps_per_mm[X_AXIS]);
-      else tmc2130_get_pwmthrs(stepperX, 'X', planner.axis_steps_per_mm[X_AXIS]);
-    #endif
-    #if ENABLED(Y_IS_TMC2130)
-      if (values[Y_AXIS]) tmc2130_set_pwmthrs(stepperY, 'Y', values[Y_AXIS], planner.axis_steps_per_mm[Y_AXIS]);
-      else tmc2130_get_pwmthrs(stepperY, 'Y', planner.axis_steps_per_mm[Y_AXIS]);
-    #endif
-    #if ENABLED(Z_IS_TMC2130)
-      if (values[Z_AXIS]) tmc2130_set_pwmthrs(stepperZ, 'Z', values[Z_AXIS], planner.axis_steps_per_mm[Z_AXIS]);
-      else tmc2130_get_pwmthrs(stepperZ, 'Z', planner.axis_steps_per_mm[Z_AXIS]);
-    #endif
-    #if ENABLED(E0_IS_TMC2130)
-      if (values[E_AXIS]) tmc2130_set_pwmthrs(stepperE0, 'E', values[E_AXIS], planner.axis_steps_per_mm[E_AXIS]);
-      else tmc2130_get_pwmthrs(stepperE0, 'E', planner.axis_steps_per_mm[E_AXIS]);
-    #endif
-  }
-
-#endif // HYBRID_THRESHOLD
-
-#if ENABLED(SENSORLESS_HOMING)
-
-  inline void tmc2130_get_sgt(TMC2130Stepper &st, const char name) {
-    SERIAL_CHAR(name);
-    SERIAL_ECHOPGM(" driver homing sensitivity set to ");
-    SERIAL_ECHOLN(st.sgt());
-  }
-  inline void tmc2130_set_sgt(TMC2130Stepper &st, const char name, const int8_t sgt_val) {
-    st.sgt(sgt_val);
-    tmc2130_get_sgt(st, name);
-  }
-
-  /**
-   * M914: Set SENSORLESS_HOMING sensitivity.
-   */
-  void GcodeSuite::M914() {
-    #if ENABLED(X_IS_TMC2130)
-      if (parser.seen(axis_codes[X_AXIS])) tmc2130_set_sgt(stepperX, 'X', parser.value_int());
-      else tmc2130_get_sgt(stepperX, 'X');
-    #endif
-    #if ENABLED(Y_IS_TMC2130)
-      if (parser.seen(axis_codes[Y_AXIS])) tmc2130_set_sgt(stepperY, 'Y', parser.value_int());
-      else tmc2130_get_sgt(stepperY, 'Y');
-    #endif
-  }
-
-#endif // SENSORLESS_HOMING
-
-#endif // HAVE_TMC2130

Marlin/src/gcode/feature/trinamic/M911-M915.cpp

@@ -0,0 +1,195 @@
+/**
+ * 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/>.
+ *
+ */
+
+#include "../../../inc/MarlinConfig.h"
+
+#if HAS_TRINAMIC
+
+#include "../../gcode.h"
+#include "../../../feature/tmc_util.h"
+#include "../../../module/stepper_indirection.h"
+#include "../../../module/planner.h"
+
+/**
+ * M911: Report TMC stepper driver overtemperature pre-warn flag
+ * The flag is held by the library and persist until manually cleared by M912
+ */
+inline void GcodeSuite::M911() {
+  #if ENABLED(X_IS_TMC2130) || (ENABLED(X_IS_TMC2208) && PIN_EXISTS(X_SERIAL_RX)) || ENABLED(IS_TRAMS)
+    tmc_report_otpw(stepperX, extended_axis_codes[TMC_X]);
+  #endif
+  #if ENABLED(Y_IS_TMC2130) || (ENABLED(Y_IS_TMC2208) && PIN_EXISTS(Y_SERIAL_RX)) || ENABLED(IS_TRAMS)
+    tmc_report_otpw(stepperY, extended_axis_codes[TMC_Y]);
+  #endif
+  #if ENABLED(Z_IS_TMC2130) || (ENABLED(Z_IS_TMC2208) && PIN_EXISTS(Z_SERIAL_RX)) || ENABLED(IS_TRAMS)
+    tmc_report_otpw(stepperZ, extended_axis_codes[TMC_Z]);
+  #endif
+  #if ENABLED(E0_IS_TMC2130) || (ENABLED(E0_IS_TMC2208) && PIN_EXISTS(E0_SERIAL_RX)) || ENABLED(IS_TRAMS)
+    tmc_report_otpw(stepperE0, extended_axis_codes[TMC_E0]);
+  #endif
+}
+
+/**
+ * M912: Clear TMC stepper driver overtemperature pre-warn flag held by the library
+ */
+inline void GcodeSuite::M912() {
+  const bool clearX = parser.seen(axis_codes[X_AXIS]), clearY = parser.seen(axis_codes[Y_AXIS]), clearZ = parser.seen(axis_codes[Z_AXIS]), clearE = parser.seen(axis_codes[E_AXIS]),
+           clearAll = (!clearX && !clearY && !clearZ && !clearE) || (clearX && clearY && clearZ && clearE);
+  #if ENABLED(X_IS_TMC2130) || ENABLED(IS_TRAMS) || (ENABLED(X_IS_TMC2208) && PIN_EXISTS(X_SERIAL_RX))
+    if (clearX || clearAll) tmc_clear_otpw(stepperX, extended_axis_codes[TMC_X]);
+  #endif
+  #if ENABLED(X2_IS_TMC2130) || (ENABLED(X2_IS_TMC2208) && PIN_EXISTS(X_SERIAL_RX))
+    if (clearX || clearAll) tmc_clear_otpw(stepperX, extended_axis_codes[TMC_X]);
+  #endif
+
+  #if ENABLED(Y_IS_TMC2130) || (ENABLED(Y_IS_TMC2208) && PIN_EXISTS(Y_SERIAL_RX))
+    if (clearY || clearAll) tmc_clear_otpw(stepperY, extended_axis_codes[TMC_Y]);
+  #endif
+
+  #if ENABLED(Z_IS_TMC2130) || (ENABLED(Z_IS_TMC2208) && PIN_EXISTS(Z_SERIAL_RX))
+    if (clearZ || clearAll) tmc_clear_otpw(stepperZ, extended_axis_codes[TMC_Z]);
+  #endif
+
+  #if ENABLED(E0_IS_TMC2130) || (ENABLED(E0_IS_TMC2208) && PIN_EXISTS(E0_SERIAL_RX))
+    if (clearE || clearAll) tmc_clear_otpw(stepperE0, extended_axis_codes[TMC_E0]);
+  #endif
+}
+
+/**
+ * M913: Set HYBRID_THRESHOLD speed.
+ */
+#if ENABLED(HYBRID_THRESHOLD)
+  inline void GcodeSuite::M913() {
+    uint16_t values[XYZE];
+    LOOP_XYZE(i)
+      values[i] = parser.intval(axis_codes[i]);
+
+    #if X_IS_TRINAMIC
+      if (values[X_AXIS]) tmc_set_pwmthrs(stepperX, extended_axis_codes[TMC_X], values[X_AXIS], planner.axis_steps_per_mm[X_AXIS]);
+      else tmc_get_pwmthrs(stepperX, extended_axis_codes[TMC_X], planner.axis_steps_per_mm[X_AXIS]);
+    #endif
+    #if X2_IS_TRINAMIC
+      if (values[X_AXIS]) tmc_set_pwmthrs(stepperX2, extended_axis_codes[TMC_X2], values[X_AXIS], planner.axis_steps_per_mm[X_AXIS]);
+      else tmc_get_pwmthrs(stepperX, extended_axis_codes[TMC_X2], planner.axis_steps_per_mm[X_AXIS]);
+    #endif
+
+    #if Y_IS_TRINAMIC
+      if (values[Y_AXIS]) tmc_set_pwmthrs(stepperY, extended_axis_codes[TMC_Y], values[Y_AXIS], planner.axis_steps_per_mm[Y_AXIS]);
+      else tmc_get_pwmthrs(stepperY, extended_axis_codes[TMC_Y], planner.axis_steps_per_mm[Y_AXIS]);
+    #endif
+    #if Y2_IS_TRINAMIC
+      if (values[Y_AXIS]) tmc_set_pwmthrs(stepperY2, extended_axis_codes[TMC_Y2], values[Y_AXIS], planner.axis_steps_per_mm[Y_AXIS]);
+      else tmc_get_pwmthrs(stepperY, extended_axis_codes[TMC_Y2], planner.axis_steps_per_mm[Y_AXIS]);
+    #endif
+
+    #if Z_IS_TRINAMIC
+      if (values[Z_AXIS]) tmc_set_pwmthrs(stepperZ, extended_axis_codes[TMC_Z], values[Z_AXIS], planner.axis_steps_per_mm[Z_AXIS]);
+      else tmc_get_pwmthrs(stepperZ, extended_axis_codes[TMC_Z], planner.axis_steps_per_mm[Z_AXIS]);
+    #endif
+    #if Z2_IS_TRINAMIC
+      if (values[Z_AXIS]) tmc_set_pwmthrs(stepperZ2, extended_axis_codes[TMC_Z2], values[Z_AXIS], planner.axis_steps_per_mm[Z_AXIS]);
+      else tmc_get_pwmthrs(stepperZ, extended_axis_codes[TMC_Z2], planner.axis_steps_per_mm[Z_AXIS]);
+    #endif
+
+    #if E0_IS_TRINAMIC
+      if (values[E_AXIS]) tmc_set_pwmthrs(stepperE0, extended_axis_codes[TMC_E0], values[E_AXIS], planner.axis_steps_per_mm[E_AXIS]);
+      else tmc_get_pwmthrs(stepperE0, extended_axis_codes[TMC_E0], planner.axis_steps_per_mm[E_AXIS]);
+    #endif
+    #if E1_IS_TRINAMIC
+      if (values[E_AXIS]) tmc_set_pwmthrs(stepperE1, extended_axis_codes[TMC_E1], values[E_AXIS], planner.axis_steps_per_mm[E_AXIS]);
+      else tmc_get_pwmthrs(stepperE1, extended_axis_codes[TMC_E1], planner.axis_steps_per_mm[E_AXIS]);
+    #endif
+    #if E2_IS_TRINAMIC
+      if (values[E_AXIS]) tmc_set_pwmthrs(stepperE2, extended_axis_codes[TMC_E2], values[E_AXIS], planner.axis_steps_per_mm[E_AXIS]);
+      else tmc_get_pwmthrs(stepperE2, extended_axis_codes[TMC_E2], planner.axis_steps_per_mm[E_AXIS]);
+    #endif
+    #if E3_IS_TRINAMIC
+      if (values[E_AXIS]) tmc_set_pwmthrs(stepperE3, extended_axis_codes[TMC_E3], values[E_AXIS], planner.axis_steps_per_mm[E_AXIS]);
+      else tmc_get_pwmthrs(stepperE3, extended_axis_codes[TMC_E3], planner.axis_steps_per_mm[E_AXIS]);
+    #endif
+    #if E4_IS_TRINAMIC
+      if (values[E_AXIS]) tmc_set_pwmthrs(stepperE4, extended_axis_codes[TMC_E4], values[E_AXIS], planner.axis_steps_per_mm[E_AXIS]);
+      else tmc_get_pwmthrs(stepperE4, extended_axis_codes[TMC_E4], planner.axis_steps_per_mm[E_AXIS]);
+    #endif
+  }
+#endif // HYBRID_THRESHOLD
+
+/**
+ * M914: Set SENSORLESS_HOMING sensitivity.
+ */
+#if ENABLED(SENSORLESS_HOMING)
+  inline void GcodeSuite::M914() {
+    #if ENABLED(X_IS_TMC2130) || ENABLED(IS_TRAMS)
+      if (parser.seen(axis_codes[X_AXIS])) tmc_set_sgt(stepperX, extended_axis_codes[TMC_X], parser.value_int());
+      else tmc_get_sgt(stepperX, extended_axis_codes[TMC_X]);
+    #endif
+    #if ENABLED(X2_IS_TMC2130)
+      if (parser.seen(axis_codes[X_AXIS])) tmc_set_sgt(stepperX2, extended_axis_codes[TMC_X2], parser.value_int());
+      else tmc_get_sgt(stepperX2, extended_axis_codes[TMC_X2]);
+    #endif
+    #if ENABLED(Y_IS_TMC2130) || ENABLED(IS_TRAMS)
+      if (parser.seen(axis_codes[Y_AXIS])) tmc_set_sgt(stepperY, extended_axis_codes[TMC_Y], parser.value_int());
+      else tmc_get_sgt(stepperY, extended_axis_codes[TMC_Y]);
+    #endif
+    #if ENABLED(Y2_IS_TMC2130)
+      if (parser.seen(axis_codes[Y_AXIS])) tmc_set_sgt(stepperY2, extended_axis_codes[TMC_Y2], parser.value_int());
+      else tmc_get_sgt(stepperY2, extended_axis_codes[TMC_Y2]);
+    #endif
+  }
+#endif // SENSORLESS_HOMING
+
+/**
+ * TMC Z axis calibration routine
+ */
+#if ENABLED(TMC_Z_CALIBRATION) && (Z_IS_TRINAMIC || Z2_IS_TRINAMIC)
+  inline void GcodeSuite::M915() {
+    uint16_t _rms = parser.seenval('S') ? parser.value_int() : CALIBRATION_CURRENT;
+    uint16_t _z = parser.seenval('Z') ? parser.value_int() : CALIBRATION_EXTRA_HEIGHT;
+
+    if (!axis_known_position[Z_AXIS]) {
+      SERIAL_ECHOLNPGM("\nPlease home Z axis first");
+      return;
+    }
+
+    uint16_t Z_current_1 = stepperZ.getCurrent();
+    uint16_t Z2_current_1 = stepperZ.getCurrent();
+
+    stepperZ.setCurrent(_rms, R_SENSE, HOLD_MULTIPLIER);
+    stepperZ2.setCurrent(_rms, R_SENSE, HOLD_MULTIPLIER);
+    SERIAL_ECHOPAIR("\nCalibration current: Z", _rms);
+
+    soft_endstops_enabled = false;
+
+    do_blocking_move_to_z(Z_MAX_POS+_z);
+
+    stepperZ.setCurrent(Z_current_1, R_SENSE, HOLD_MULTIPLIER);
+    stepperZ2.setCurrent(Z2_current_1, R_SENSE, HOLD_MULTIPLIER);
+
+    do_blocking_move_to_z(Z_MAX_POS);
+    soft_endstops_enabled = true;
+
+    SERIAL_ECHOLNPGM("\nHoming Z because we lost steps");
+    home_z_safely();
+  }
+#endif
+
+#endif // HAS_TRINAMIC

Marlin/src/gcode/gcode.cpp

@@ -657,7 +657,8 @@ void GcodeSuite::process_parsed_command() {
         #endif
       #endif
 
-      #if ENABLED(HAVE_TMC2130)
+      #if HAVE_TRINAMIC
+        case 122: M122(); break;
         case 906: M906(); break;    // M906: Set motor current in milliamps using axis codes X, Y, Z, E
         case 911: M911(); break;    // M911: Report TMC2130 prewarn triggered flags
         case 912: M912(); break;    // M912: Clear TMC2130 prewarn triggered flags

Marlin/src/gcode/gcode.h

@@ -130,6 +130,7 @@
  * M119 - Report endstops status.
  * M120 - Enable endstops detection.
  * M121 - Disable endstops detection.
+ * M122 - Debug stepper (Requires HAVE_TMC2130 or HAVE_TMC2208)
  * M125 - Save current position and move to filament change position. (Requires PARK_HEAD_ON_PAUSE)
  * M126 - Solenoid Air Valve Open. (Requires BARICUDA)
  * M127 - Solenoid Air Valve Closed. (Requires BARICUDA)
@@ -218,8 +219,8 @@
  * M908 - Control digital trimpot directly. (Requires DAC_STEPPER_CURRENT or DIGIPOTSS_PIN)
  * M909 - Print digipot/DAC current value. (Requires DAC_STEPPER_CURRENT)
  * M910 - Commit digipot/DAC value to external EEPROM via I2C. (Requires DAC_STEPPER_CURRENT)
- * M911 - Report stepper driver overtemperature pre-warn condition. (Requires HAVE_TMC2130)
- * M912 - Clear stepper driver overtemperature pre-warn condition flag. (Requires HAVE_TMC2130)
+ * M911 - Report stepper driver overtemperature pre-warn condition. (Requires HAVE_TMC2130 or HAVE_TMC2208)
+ * M912 - Clear stepper driver overtemperature pre-warn condition flag. (Requires HAVE_TMC2130 or HAVE_TMC2208)
  * M913 - Set HYBRID_THRESHOLD speed. (Requires HYBRID_THRESHOLD)
  * M914 - Set SENSORLESS_HOMING sensitivity. (Requires SENSORLESS_HOMING)
  *
@@ -727,7 +728,10 @@ private:
     static void M900();
   #endif
 
-  #if ENABLED(HAVE_TMC2130)
+  #if HAS_TRINAMIC
+    #if ENABLED(TMC_DEBUG)
+      static void M122();
+    #endif
     static void M906();
     static void M911();
     static void M912();
@@ -737,6 +741,9 @@ private:
     #if ENABLED(SENSORLESS_HOMING)
       static void M914();
     #endif
+    #if ENABLED(TMC_Z_CALIBRATION)
+      static void M915();
+    #endif
   #endif
 
   #if HAS_DIGIPOTSS || HAS_MOTOR_CURRENT_PWM || ENABLED(DIGIPOT_I2C) || ENABLED(DAC_STEPPER_CURRENT)

Marlin/src/inc/MarlinConfigPre.h

@@ -28,6 +28,7 @@
 #include "Version.h"
 #include "../../Configuration.h"
 #include "Conditionals_LCD.h"
+#include "../feature/tmc_macros.h"
 #include "../../Configuration_adv.h"
 #include "Conditionals_adv.h"
 

Marlin/src/inc/SanityCheck.h

@@ -1434,15 +1434,38 @@ static_assert(1 >= 0
       || ENABLED( E1_IS_TMC2130 ) \
       || ENABLED( E2_IS_TMC2130 ) \
       || ENABLED( E3_IS_TMC2130 ) \
-      || ENABLED( E4_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."
+  #elif defined(AUTOMATIC_CURRENT_CONTROL)
+    #error "AUTOMATIC_CURRENT_CONTROL is now MONITOR_DRIVER_STATUS. Please update your configuration."
   #endif
 #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 "Choose at least one TMC2208 stepper."
+#endif
+
+#if ENABLED(HYBRID_THRESHOLD) && DISABLED(STEALTHCHOP)
+  #error "Enable STEALTHCHOP to use HYBRID_THRESHOLD."
+#endif
+
+/**
  * Make sure HAVE_L6470DRIVER is warranted
  */
 #if ENABLED(HAVE_L6470DRIVER) && !( \

Marlin/src/module/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)
@@ -154,6 +154,10 @@
  *  578  M906 E3   Stepper E3 current               (uint16_t)
  *  580  M906 E4   Stepper E4 current               (uint16_t)
  *
+ * SENSORLESS HOMING                                4 bytes
+ *  580  M914 X    Stepper X and X2 threshold       (int16_t)
+ *  582  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)
@@ -542,70 +546,70 @@ 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;
@@ -617,6 +621,28 @@ 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
     //
 
@@ -1014,55 +1040,80 @@ 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
       //
@@ -1451,36 +1502,52 @@ 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
 
@@ -1959,35 +2026,63 @@ 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/src/module/motion.cpp

@@ -52,7 +52,7 @@
 #endif
 
 #if ENABLED(SENSORLESS_HOMING)
-  #include "../feature/tmc2130.h"
+  #include "../feature/tmc_util.h"
 #endif
 
 #define XYZ_CONSTS(type, array, CONFIG) const PROGMEM type array##_P[XYZ] = { X_##CONFIG, Y_##CONFIG, Z_##CONFIG }
@@ -1172,10 +1172,10 @@ void homeaxis(const AxisEnum axis) {
   // Disable stealthChop if used. Enable diag1 pin on driver.
   #if ENABLED(SENSORLESS_HOMING)
     #if ENABLED(X_IS_TMC2130)
-      if (axis == X_AXIS) tmc2130_sensorless_homing(stepperX);
+      if (axis == X_AXIS) tmc_sensorless_homing(stepperX);
     #endif
     #if ENABLED(Y_IS_TMC2130)
-      if (axis == Y_AXIS) tmc2130_sensorless_homing(stepperY);
+      if (axis == Y_AXIS) tmc_sensorless_homing(stepperY);
     #endif
   #endif
 
@@ -1282,10 +1282,10 @@ void homeaxis(const AxisEnum axis) {
   // Re-enable stealthChop if used. Disable diag1 pin on driver.
   #if ENABLED(SENSORLESS_HOMING)
     #if ENABLED(X_IS_TMC2130)
-      if (axis == X_AXIS) tmc2130_sensorless_homing(stepperX, false);
+      if (axis == X_AXIS) tmc_sensorless_homing(stepperX, false);
     #endif
     #if ENABLED(Y_IS_TMC2130)
-      if (axis == Y_AXIS) tmc2130_sensorless_homing(stepperY, false);
+      if (axis == Y_AXIS) tmc_sensorless_homing(stepperY, false);
     #endif
   #endif
 

Marlin/src/module/stepper.cpp

@@ -954,6 +954,16 @@ 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/src/module/stepper_indirection.cpp

@@ -129,6 +129,7 @@
 
   #include <SPI.h>
   #include <TMC2130Stepper.h>
+  #include "planner.h"
   #include "../core/enum.h"
 
   #define _TMC2130_DEFINE(ST) TMC2130Stepper stepper##ST(ST##_ENABLE_PIN, ST##_DIR_PIN, ST##_STEP_PIN, ST##_CS_PIN)
@@ -171,17 +172,17 @@
   // 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.diag1_active_high(0); // For sensorless homing
+    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
       st.stealth_autoscale(1);
@@ -189,61 +190,261 @@
       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/src/module/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/src/pins/pinsDebug_list.h

@@ -839,3 +839,69 @@
 #if PIN_EXISTS(ZRIB_V20_D9)
   REPORT_NAME_DIGITAL(ZRIB_V20_D9_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/src/pins/pins_RAMPS.h

@@ -119,6 +119,56 @@
 #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  Serial3
+  #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
 //

platformio.ini

@@ -22,6 +22,7 @@ lib_deps =
   U8glib-HAL
   LiquidCrystal_I2C@1.1.2
   TMC2130Stepper
+  https://github.com/teemuatlut/TMC2208Stepper.git
   Adafruit NeoPixel
   https://github.com/lincomatic/LiquidTWI2.git
   https://github.com/trinamic/TMC26XStepper.git