✨ PROBING_USE_CURRENT_HOME

MarlinFirmware/Marlin#26714 Co-Authored-By: sargonphin <85966195+sargonphin@users.noreply.github.com>
MarlinFirmware · Jan 26, 2024 · 0818f5f · 0818f5f
1 parent a25f866
commit 0818f5f
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diff --git a/config/default/Configuration_adv.h b/config/default/Configuration_adv.h
@@ -2994,7 +2994,7 @@
 
   #if AXIS_IS_TMC_CONFIG(X)
     #define X_CURRENT       800        // (mA) RMS current. Multiply by 1.414 for peak current.
-    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for sensorless homing
+    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for homing. (Typically lower than *_CURRENT.)
     #define X_MICROSTEPS     16        // 0..256
     #define X_RSENSE          0.11     // Multiplied x1000 for TMC26X
     #define X_CHAIN_POS      -1        // -1..0: Not chained. 1: MCU MOSI connected. 2: Next in chain, ...
@@ -3204,6 +3204,13 @@
     //#define E7_HOLD_MULTIPLIER 0.5
   #endif
 
+  /**
+   * Use the homing current for all probing. (e.g., Current may be reduced to the
+   * point where a collision makes the motor skip instead of damaging the bed,
+   * though this is unlikely to save delicate probes from being damaged.
+   */
+  //#define PROBING_USE_CURRENT_HOME
+
   // @section tmc/spi
 
   /**

diff --git a/config/examples/3DFabXYZ/Migbot/Configuration_adv.h b/config/examples/3DFabXYZ/Migbot/Configuration_adv.h
@@ -2994,7 +2994,7 @@
 
   #if AXIS_IS_TMC_CONFIG(X)
     #define X_CURRENT       800        // (mA) RMS current. Multiply by 1.414 for peak current.
-    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for sensorless homing
+    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for homing. (Typically lower than *_CURRENT.)
     #define X_MICROSTEPS     16        // 0..256
     #define X_RSENSE          0.11     // Multiplied x1000 for TMC26X
     #define X_CHAIN_POS      -1        // -1..0: Not chained. 1: MCU MOSI connected. 2: Next in chain, ...
@@ -3204,6 +3204,13 @@
     //#define E7_HOLD_MULTIPLIER 0.5
   #endif
 
+  /**
+   * Use the homing current for all probing. (e.g., Current may be reduced to the
+   * point where a collision makes the motor skip instead of damaging the bed,
+   * though this is unlikely to save delicate probes from being damaged.
+   */
+  //#define PROBING_USE_CURRENT_HOME
+
   // @section tmc/spi
 
   /**

diff --git a/config/examples/ADIMLab/Gantry v1/Configuration_adv.h b/config/examples/ADIMLab/Gantry v1/Configuration_adv.h
@@ -2994,7 +2994,7 @@
 
   #if AXIS_IS_TMC_CONFIG(X)
     #define X_CURRENT       800        // (mA) RMS current. Multiply by 1.414 for peak current.
-    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for sensorless homing
+    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for homing. (Typically lower than *_CURRENT.)
     #define X_MICROSTEPS     16        // 0..256
     #define X_RSENSE          0.11     // Multiplied x1000 for TMC26X
     #define X_CHAIN_POS      -1        // -1..0: Not chained. 1: MCU MOSI connected. 2: Next in chain, ...
@@ -3204,6 +3204,13 @@
     //#define E7_HOLD_MULTIPLIER 0.5
   #endif
 
+  /**
+   * Use the homing current for all probing. (e.g., Current may be reduced to the
+   * point where a collision makes the motor skip instead of damaging the bed,
+   * though this is unlikely to save delicate probes from being damaged.
+   */
+  //#define PROBING_USE_CURRENT_HOME
+
   // @section tmc/spi
 
   /**

diff --git a/config/examples/ADIMLab/Gantry v2/Configuration_adv.h b/config/examples/ADIMLab/Gantry v2/Configuration_adv.h
@@ -2994,7 +2994,7 @@
 
   #if AXIS_IS_TMC_CONFIG(X)
     #define X_CURRENT       800        // (mA) RMS current. Multiply by 1.414 for peak current.
-    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for sensorless homing
+    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for homing. (Typically lower than *_CURRENT.)
     #define X_MICROSTEPS     16        // 0..256
     #define X_RSENSE          0.11     // Multiplied x1000 for TMC26X
     #define X_CHAIN_POS      -1        // -1..0: Not chained. 1: MCU MOSI connected. 2: Next in chain, ...
@@ -3204,6 +3204,13 @@
     //#define E7_HOLD_MULTIPLIER 0.5
   #endif
 
+  /**
+   * Use the homing current for all probing. (e.g., Current may be reduced to the
+   * point where a collision makes the motor skip instead of damaging the bed,
+   * though this is unlikely to save delicate probes from being damaged.
+   */
+  //#define PROBING_USE_CURRENT_HOME
+
   // @section tmc/spi
 
   /**

diff --git a/config/examples/Alfawise/U20-bltouch/Configuration_adv.h b/config/examples/Alfawise/U20-bltouch/Configuration_adv.h
@@ -3004,7 +3004,7 @@
 
   #if AXIS_IS_TMC_CONFIG(X)
     #define X_CURRENT       800        // (mA) RMS current. Multiply by 1.414 for peak current.
-    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for sensorless homing
+    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for homing. (Typically lower than *_CURRENT.)
     #define X_MICROSTEPS     16        // 0..256
     #define X_RSENSE          0.11     // Multiplied x1000 for TMC26X
     #define X_CHAIN_POS      -1        // -1..0: Not chained. 1: MCU MOSI connected. 2: Next in chain, ...
@@ -3214,6 +3214,13 @@
     //#define E7_HOLD_MULTIPLIER 0.5
   #endif
 
+  /**
+   * Use the homing current for all probing. (e.g., Current may be reduced to the
+   * point where a collision makes the motor skip instead of damaging the bed,
+   * though this is unlikely to save delicate probes from being damaged.
+   */
+  //#define PROBING_USE_CURRENT_HOME
+
   // @section tmc/spi
 
   /**

diff --git a/config/examples/Alfawise/U20/Configuration_adv.h b/config/examples/Alfawise/U20/Configuration_adv.h
@@ -2995,7 +2995,7 @@
 
   #if AXIS_IS_TMC_CONFIG(X)
     #define X_CURRENT       800        // (mA) RMS current. Multiply by 1.414 for peak current.
-    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for sensorless homing
+    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for homing. (Typically lower than *_CURRENT.)
     #define X_MICROSTEPS     16        // 0..256
     #define X_RSENSE          0.11     // Multiplied x1000 for TMC26X
     #define X_CHAIN_POS      -1        // -1..0: Not chained. 1: MCU MOSI connected. 2: Next in chain, ...
@@ -3205,6 +3205,13 @@
     //#define E7_HOLD_MULTIPLIER 0.5
   #endif
 
+  /**
+   * Use the homing current for all probing. (e.g., Current may be reduced to the
+   * point where a collision makes the motor skip instead of damaging the bed,
+   * though this is unlikely to save delicate probes from being damaged.
+   */
+  //#define PROBING_USE_CURRENT_HOME
+
   // @section tmc/spi
 
   /**

diff --git a/config/examples/AliExpress/CL-260/Configuration_adv.h b/config/examples/AliExpress/CL-260/Configuration_adv.h
@@ -2994,7 +2994,7 @@
 
   #if AXIS_IS_TMC_CONFIG(X)
     #define X_CURRENT       800        // (mA) RMS current. Multiply by 1.414 for peak current.
-    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for sensorless homing
+    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for homing. (Typically lower than *_CURRENT.)
     #define X_MICROSTEPS     16        // 0..256
     #define X_RSENSE          0.11     // Multiplied x1000 for TMC26X
     #define X_CHAIN_POS      -1        // -1..0: Not chained. 1: MCU MOSI connected. 2: Next in chain, ...
@@ -3204,6 +3204,13 @@
     //#define E7_HOLD_MULTIPLIER 0.5
   #endif
 
+  /**
+   * Use the homing current for all probing. (e.g., Current may be reduced to the
+   * point where a collision makes the motor skip instead of damaging the bed,
+   * though this is unlikely to save delicate probes from being damaged.
+   */
+  //#define PROBING_USE_CURRENT_HOME
+
   // @section tmc/spi
 
   /**

diff --git a/config/examples/AliExpress/UM2pExt/Configuration_adv.h b/config/examples/AliExpress/UM2pExt/Configuration_adv.h
@@ -2996,7 +2996,7 @@
 
   #if AXIS_IS_TMC_CONFIG(X)
     #define X_CURRENT       800        // (mA) RMS current. Multiply by 1.414 for peak current.
-    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for sensorless homing
+    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for homing. (Typically lower than *_CURRENT.)
     #define X_MICROSTEPS     16        // 0..256
     #define X_RSENSE          0.11     // Multiplied x1000 for TMC26X
     #define X_CHAIN_POS      -1        // -1..0: Not chained. 1: MCU MOSI connected. 2: Next in chain, ...
@@ -3206,6 +3206,13 @@
     //#define E7_HOLD_MULTIPLIER 0.5
   #endif
 
+  /**
+   * Use the homing current for all probing. (e.g., Current may be reduced to the
+   * point where a collision makes the motor skip instead of damaging the bed,
+   * though this is unlikely to save delicate probes from being damaged.
+   */
+  //#define PROBING_USE_CURRENT_HOME
+
   // @section tmc/spi
 
   /**

diff --git a/config/examples/Anet/A2/Configuration_adv.h b/config/examples/Anet/A2/Configuration_adv.h
@@ -2994,7 +2994,7 @@
 
   #if AXIS_IS_TMC_CONFIG(X)
     #define X_CURRENT       800        // (mA) RMS current. Multiply by 1.414 for peak current.
-    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for sensorless homing
+    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for homing. (Typically lower than *_CURRENT.)
     #define X_MICROSTEPS     16        // 0..256
     #define X_RSENSE          0.11     // Multiplied x1000 for TMC26X
     #define X_CHAIN_POS      -1        // -1..0: Not chained. 1: MCU MOSI connected. 2: Next in chain, ...
@@ -3204,6 +3204,13 @@
     //#define E7_HOLD_MULTIPLIER 0.5
   #endif
 
+  /**
+   * Use the homing current for all probing. (e.g., Current may be reduced to the
+   * point where a collision makes the motor skip instead of damaging the bed,
+   * though this is unlikely to save delicate probes from being damaged.
+   */
+  //#define PROBING_USE_CURRENT_HOME
+
   // @section tmc/spi
 
   /**

diff --git a/config/examples/Anet/A2plus/Configuration_adv.h b/config/examples/Anet/A2plus/Configuration_adv.h
@@ -2994,7 +2994,7 @@
 
   #if AXIS_IS_TMC_CONFIG(X)
     #define X_CURRENT       800        // (mA) RMS current. Multiply by 1.414 for peak current.
-    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for sensorless homing
+    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for homing. (Typically lower than *_CURRENT.)
     #define X_MICROSTEPS     16        // 0..256
     #define X_RSENSE          0.11     // Multiplied x1000 for TMC26X
     #define X_CHAIN_POS      -1        // -1..0: Not chained. 1: MCU MOSI connected. 2: Next in chain, ...
@@ -3204,6 +3204,13 @@
     //#define E7_HOLD_MULTIPLIER 0.5
   #endif
 
+  /**
+   * Use the homing current for all probing. (e.g., Current may be reduced to the
+   * point where a collision makes the motor skip instead of damaging the bed,
+   * though this is unlikely to save delicate probes from being damaged.
+   */
+  //#define PROBING_USE_CURRENT_HOME
+
   // @section tmc/spi
 
   /**

diff --git a/config/examples/Anet/A6/Configuration_adv.h b/config/examples/Anet/A6/Configuration_adv.h
@@ -2994,7 +2994,7 @@
 
   #if AXIS_IS_TMC_CONFIG(X)
     #define X_CURRENT       800        // (mA) RMS current. Multiply by 1.414 for peak current.
-    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for sensorless homing
+    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for homing. (Typically lower than *_CURRENT.)
     #define X_MICROSTEPS     16        // 0..256
     #define X_RSENSE          0.11     // Multiplied x1000 for TMC26X
     #define X_CHAIN_POS      -1        // -1..0: Not chained. 1: MCU MOSI connected. 2: Next in chain, ...
@@ -3204,6 +3204,13 @@
     //#define E7_HOLD_MULTIPLIER 0.5
   #endif
 
+  /**
+   * Use the homing current for all probing. (e.g., Current may be reduced to the
+   * point where a collision makes the motor skip instead of damaging the bed,
+   * though this is unlikely to save delicate probes from being damaged.
+   */
+  //#define PROBING_USE_CURRENT_HOME
+
   // @section tmc/spi
 
   /**

diff --git a/config/examples/Anet/A8/Configuration_adv.h b/config/examples/Anet/A8/Configuration_adv.h
@@ -2994,7 +2994,7 @@
 
   #if AXIS_IS_TMC_CONFIG(X)
     #define X_CURRENT       800        // (mA) RMS current. Multiply by 1.414 for peak current.
-    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for sensorless homing
+    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for homing. (Typically lower than *_CURRENT.)
     #define X_MICROSTEPS     16        // 0..256
     #define X_RSENSE          0.11     // Multiplied x1000 for TMC26X
     #define X_CHAIN_POS      -1        // -1..0: Not chained. 1: MCU MOSI connected. 2: Next in chain, ...
@@ -3204,6 +3204,13 @@
     //#define E7_HOLD_MULTIPLIER 0.5
   #endif
 
+  /**
+   * Use the homing current for all probing. (e.g., Current may be reduced to the
+   * point where a collision makes the motor skip instead of damaging the bed,
+   * though this is unlikely to save delicate probes from being damaged.
+   */
+  //#define PROBING_USE_CURRENT_HOME
+
   // @section tmc/spi
 
   /**

diff --git a/config/examples/Anet/A8plus/Configuration_adv.h b/config/examples/Anet/A8plus/Configuration_adv.h
@@ -2994,7 +2994,7 @@
 
   #if AXIS_IS_TMC_CONFIG(X)
     #define X_CURRENT       800        // (mA) RMS current. Multiply by 1.414 for peak current.
-    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for sensorless homing
+    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for homing. (Typically lower than *_CURRENT.)
     #define X_MICROSTEPS     16        // 0..256
     #define X_RSENSE          0.11     // Multiplied x1000 for TMC26X
     #define X_CHAIN_POS      -1        // -1..0: Not chained. 1: MCU MOSI connected. 2: Next in chain, ...
@@ -3204,6 +3204,13 @@
     //#define E7_HOLD_MULTIPLIER 0.5
   #endif
 
+  /**
+   * Use the homing current for all probing. (e.g., Current may be reduced to the
+   * point where a collision makes the motor skip instead of damaging the bed,
+   * though this is unlikely to save delicate probes from being damaged.
+   */
+  //#define PROBING_USE_CURRENT_HOME
+
   // @section tmc/spi
 
   /**

diff --git a/config/examples/Anet/A9/Configuration_adv.h b/config/examples/Anet/A9/Configuration_adv.h
@@ -2994,7 +2994,7 @@
 
   #if AXIS_IS_TMC_CONFIG(X)
     #define X_CURRENT       800        // (mA) RMS current. Multiply by 1.414 for peak current.
-    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for sensorless homing
+    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for homing. (Typically lower than *_CURRENT.)
     #define X_MICROSTEPS     16        // 0..256
     #define X_RSENSE          0.11     // Multiplied x1000 for TMC26X
     #define X_CHAIN_POS      -1        // -1..0: Not chained. 1: MCU MOSI connected. 2: Next in chain, ...
@@ -3204,6 +3204,13 @@
     //#define E7_HOLD_MULTIPLIER 0.5
   #endif
 
+  /**
+   * Use the homing current for all probing. (e.g., Current may be reduced to the
+   * point where a collision makes the motor skip instead of damaging the bed,
+   * though this is unlikely to save delicate probes from being damaged.
+   */
+  //#define PROBING_USE_CURRENT_HOME
+
   // @section tmc/spi
 
   /**

diff --git a/config/examples/Anet/E10/Configuration_adv.h b/config/examples/Anet/E10/Configuration_adv.h
@@ -2994,7 +2994,7 @@
 
   #if AXIS_IS_TMC_CONFIG(X)
     #define X_CURRENT       800        // (mA) RMS current. Multiply by 1.414 for peak current.
-    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for sensorless homing
+    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for homing. (Typically lower than *_CURRENT.)
     #define X_MICROSTEPS     16        // 0..256
     #define X_RSENSE          0.11     // Multiplied x1000 for TMC26X
     #define X_CHAIN_POS      -1        // -1..0: Not chained. 1: MCU MOSI connected. 2: Next in chain, ...
@@ -3204,6 +3204,13 @@
     //#define E7_HOLD_MULTIPLIER 0.5
   #endif
 
+  /**
+   * Use the homing current for all probing. (e.g., Current may be reduced to the
+   * point where a collision makes the motor skip instead of damaging the bed,
+   * though this is unlikely to save delicate probes from being damaged.
+   */
+  //#define PROBING_USE_CURRENT_HOME
+
   // @section tmc/spi
 
   /**

diff --git a/config/examples/Anet/E16/BTT SKR 1.3/Configuration_adv.h b/config/examples/Anet/E16/BTT SKR 1.3/Configuration_adv.h
@@ -2994,7 +2994,7 @@
 
   #if AXIS_IS_TMC_CONFIG(X)
     #define X_CURRENT       800        // (mA) RMS current. Multiply by 1.414 for peak current.
-    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for sensorless homing
+    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for homing. (Typically lower than *_CURRENT.)
     #define X_MICROSTEPS     16        // 0..256
     #define X_RSENSE          0.11     // Multiplied x1000 for TMC26X
     #define X_CHAIN_POS      -1        // -1..0: Not chained. 1: MCU MOSI connected. 2: Next in chain, ...
@@ -3204,6 +3204,13 @@
     //#define E7_HOLD_MULTIPLIER 0.5
   #endif
 
+  /**
+   * Use the homing current for all probing. (e.g., Current may be reduced to the
+   * point where a collision makes the motor skip instead of damaging the bed,
+   * though this is unlikely to save delicate probes from being damaged.
+   */
+  //#define PROBING_USE_CURRENT_HOME
+
   // @section tmc/spi
 
   /**

diff --git a/config/examples/Anet/E16/Stock/Configuration_adv.h b/config/examples/Anet/E16/Stock/Configuration_adv.h
@@ -2994,7 +2994,7 @@
 
   #if AXIS_IS_TMC_CONFIG(X)
     #define X_CURRENT       800        // (mA) RMS current. Multiply by 1.414 for peak current.
-    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for sensorless homing
+    #define X_CURRENT_HOME  X_CURRENT  // (mA) RMS current for homing. (Typically lower than *_CURRENT.)
     #define X_MICROSTEPS     16        // 0..256
     #define X_RSENSE          0.11     // Multiplied x1000 for TMC26X
     #define X_CHAIN_POS      -1        // -1..0: Not chained. 1: MCU MOSI connected. 2: Next in chain, ...
@@ -3204,6 +3204,13 @@
     //#define E7_HOLD_MULTIPLIER 0.5
   #endif
 
+  /**
+   * Use the homing current for all probing. (e.g., Current may be reduced to the
+   * point where a collision makes the motor skip instead of damaging the bed,
+   * though this is unlikely to save delicate probes from being damaged.
+   */
+  //#define PROBING_USE_CURRENT_HOME
+
   // @section tmc/spi
 
   /**