Add NOZZLE_AS_PROBE option to disable limits on probe point

Marlin/Configuration.h

@@ -855,6 +855,12 @@
  */
 //#define FIX_MOUNTED_PROBE
 
+/**
+ * Use the nozzle as the probe, as with a conductive
+ * nozzle system or a piezo-electric smart effector.
+ */
+//#define NOZZLE_AS_PROBE
+
 /**
  * Z Servo Probe, such as an endstop switch on a rotating arm.
  */

Marlin/src/core/utility.cpp

@@ -59,6 +59,8 @@ void safe_delay(millis_t ms) {
     SERIAL_ECHOLNPGM("Probe: "
       #if ENABLED(PROBE_MANUALLY)
         "PROBE_MANUALLY"
+      #elif ENABLED(NOZZLE_AS_PROBE)
+        "NOZZLE_AS_PROBE"
       #elif ENABLED(FIX_MOUNTED_PROBE)
         "FIX_MOUNTED_PROBE"
       #elif ENABLED(BLTOUCH)

Marlin/src/gcode/bedlevel/abl/G29.cpp

@@ -403,13 +403,14 @@ G29_TYPE GcodeSuite::G29() {
       }
       else {
         probe_position_lf.set(
-          parser.seenval('L') ? (int)RAW_X_POSITION(parser.value_linear_units()) : _MAX(X_CENTER - (X_BED_SIZE) / 2,      x_min),
-          parser.seenval('F') ? (int)RAW_Y_POSITION(parser.value_linear_units()) : _MAX(Y_CENTER - (Y_BED_SIZE) / 2,      y_min)
+          parser.seenval('L') ? (int)RAW_X_POSITION(parser.value_linear_units()) : (_MAX(x_min, X_CENTER - (X_BED_SIZE) / 2)      + MIN_PROBE_EDGE_LEFT),
+          parser.seenval('F') ? (int)RAW_Y_POSITION(parser.value_linear_units()) : (_MAX(y_min, Y_CENTER - (Y_BED_SIZE) / 2)      + MIN_PROBE_EDGE_FRONT)
         );
         probe_position_rb.set(
-          parser.seenval('R') ? (int)RAW_X_POSITION(parser.value_linear_units()) : _MIN(probe_position_lf.x + X_BED_SIZE, x_max),
-          parser.seenval('B') ? (int)RAW_Y_POSITION(parser.value_linear_units()) : _MIN(probe_position_lf.y + Y_BED_SIZE, y_max)
+          parser.seenval('R') ? (int)RAW_X_POSITION(parser.value_linear_units()) : (_MIN(x_max, probe_position_lf.x + X_BED_SIZE) - MIN_PROBE_EDGE_RIGHT),
+          parser.seenval('B') ? (int)RAW_Y_POSITION(parser.value_linear_units()) : (_MIN(y_max, probe_position_lf.y + Y_BED_SIZE) - MIN_PROBE_EDGE_BACK)
         );
+        SERIAL_ECHOLN("Set Trail 1");
       }
 
       if (

Marlin/src/inc/Conditionals_LCD.h

@@ -496,7 +496,7 @@
 /**
  * Set flags for enabled probes
  */
-#define HAS_BED_PROBE (HAS_Z_SERVO_PROBE || ANY(FIX_MOUNTED_PROBE, TOUCH_MI_PROBE, Z_PROBE_ALLEN_KEY, Z_PROBE_SLED, SOLENOID_PROBE, SENSORLESS_PROBING, RACK_AND_PINION_PROBE))
+#define HAS_BED_PROBE (HAS_Z_SERVO_PROBE || ANY(FIX_MOUNTED_PROBE, NOZZLE_AS_PROBE, TOUCH_MI_PROBE, Z_PROBE_ALLEN_KEY, Z_PROBE_SLED, SOLENOID_PROBE, SENSORLESS_PROBING, RACK_AND_PINION_PROBE))
 #define PROBE_SELECTED (HAS_BED_PROBE || EITHER(PROBE_MANUALLY, MESH_BED_LEVELING))
 
 #if HAS_BED_PROBE

Marlin/src/inc/Conditionals_post.h

@@ -1490,6 +1490,10 @@
   #undef MIN_PROBE_EDGE_RIGHT
   #undef MIN_PROBE_EDGE_FRONT
   #undef MIN_PROBE_EDGE_BACK
+  #define MIN_PROBE_EDGE_LEFT 0
+  #define MIN_PROBE_EDGE_RIGHT 0
+  #define MIN_PROBE_EDGE_FRONT 0
+  #define MIN_PROBE_EDGE_BACK 0
 #else
   #ifndef MIN_PROBE_EDGE_LEFT
     #define MIN_PROBE_EDGE_LEFT MIN_PROBE_EDGE

Marlin/src/inc/SanityCheck.h

@@ -1080,6 +1080,7 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
 #if 1 < 0 \
   + ENABLED(PROBE_MANUALLY) \
   + ENABLED(FIX_MOUNTED_PROBE) \
+  + ENABLED(NOZZLE_AS_PROBE) \
   + (HAS_Z_SERVO_PROBE && DISABLED(BLTOUCH)) \
   + ENABLED(BLTOUCH) \
   + ENABLED(TOUCH_MI_PROBE) \
@@ -1088,7 +1089,7 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
   + ENABLED(Z_PROBE_SLED) \
   + ENABLED(RACK_AND_PINION_PROBE) \
   + ENABLED(SENSORLESS_PROBING)
-  #error "Please enable only one probe option: PROBE_MANUALLY, SENSORLESS_PROBING, BLTOUCH, FIX_MOUNTED_PROBE, TOUCH_MI_PROBE, SOLENOID_PROBE, Z_PROBE_ALLEN_KEY, Z_PROBE_SLED, or Z Servo."
+  #error "Please enable only one probe option: PROBE_MANUALLY, SENSORLESS_PROBING, BLTOUCH, FIX_MOUNTED_PROBE, NOZZLE_AS_PROBE, TOUCH_MI_PROBE, SOLENOID_PROBE, Z_PROBE_ALLEN_KEY, Z_PROBE_SLED, or Z Servo."
 #endif
 
 #if HAS_BED_PROBE
@@ -1219,11 +1220,11 @@ static_assert(Y_MAX_LENGTH >= Y_BED_SIZE, "Movement bounds (Y_MIN_POS, Y_MAX_POS
    * Require some kind of probe for bed leveling and probe testing
    */
   #if HAS_ABL_NOT_UBL && !PROBE_SELECTED
-    #error "Auto Bed Leveling requires one of these: PROBE_MANUALLY, FIX_MOUNTED_PROBE, BLTOUCH, SOLENOID_PROBE, Z_PROBE_ALLEN_KEY, Z_PROBE_SLED, or a Z Servo."
+    #error "Auto Bed Leveling requires one of these: PROBE_MANUALLY, FIX_MOUNTED_PROBE, NOZZLE_AS_PROBE, BLTOUCH, SOLENOID_PROBE, Z_PROBE_ALLEN_KEY, Z_PROBE_SLED, or a Z Servo."
   #endif
 
   #if ENABLED(Z_MIN_PROBE_REPEATABILITY_TEST)
-    #error "Z_MIN_PROBE_REPEATABILITY_TEST requires a probe: FIX_MOUNTED_PROBE, BLTOUCH, SOLENOID_PROBE, Z_PROBE_ALLEN_KEY, Z_PROBE_SLED, or Z Servo."
+    #error "Z_MIN_PROBE_REPEATABILITY_TEST requires a probe: FIX_MOUNTED_PROBE, NOZZLE_AS_PROBE, BLTOUCH, SOLENOID_PROBE, Z_PROBE_ALLEN_KEY, Z_PROBE_SLED, or Z Servo."
   #endif
 
 #endif

Marlin/src/module/probe.cpp

@@ -358,7 +358,7 @@ bool set_probe_deployed(const bool deploy) {
   // Make room for probe to deploy (or stow)
   // Fix-mounted probe should only raise for deploy
   // unless PAUSE_BEFORE_DEPLOY_STOW is enabled
-  #if ENABLED(FIX_MOUNTED_PROBE) && DISABLED(PAUSE_BEFORE_DEPLOY_STOW)
+  #if EITHER(FIX_MOUNTED_PROBE, NOZZLE_AS_PROBE) && DISABLED(PAUSE_BEFORE_DEPLOY_STOW)
     const bool deploy_stow_condition = deploy;
   #else
     constexpr bool deploy_stow_condition = true;

Marlin/src/module/probe.h

@@ -85,6 +85,8 @@
     return (
       #if IS_KINEMATIC
         (X_CENTER) - probe_radius()
+      #elif ENABLED(NOZZLE_AS_PROBE)
+        _MAX(MIN_PROBE_EDGE_LEFT, X_MIN_POS)
       #else
         _MAX((X_MIN_BED) + (MIN_PROBE_EDGE_LEFT), (X_MIN_POS) + probe_offset.x)
       #endif
@@ -94,6 +96,8 @@
     return (
       #if IS_KINEMATIC
         (X_CENTER) + probe_radius()
+      #elif ENABLED(NOZZLE_AS_PROBE)
+        _MAX(MIN_PROBE_EDGE_RIGHT, X_MAX_POS)
       #else
         _MIN((X_MAX_BED) - (MIN_PROBE_EDGE_RIGHT), (X_MAX_POS) + probe_offset.x)
       #endif
@@ -103,6 +107,8 @@
     return (
       #if IS_KINEMATIC
         (Y_CENTER) - probe_radius()
+      #elif ENABLED(NOZZLE_AS_PROBE)
+        _MIN(MIN_PROBE_EDGE_FRONT, Y_MIN_POS)
       #else
         _MAX((Y_MIN_BED) + (MIN_PROBE_EDGE_FRONT), (Y_MIN_POS) + probe_offset.y)
       #endif
@@ -112,6 +118,8 @@
     return (
       #if IS_KINEMATIC
         (Y_CENTER) + probe_radius()
+      #elif ENABLED(NOZZLE_AS_PROBE)
+        _MAX(MIN_PROBE_EDGE_BACK, Y_MAX_POS)
       #else
         _MIN((Y_MAX_BED) - (MIN_PROBE_EDGE_BACK), (Y_MAX_POS) + probe_offset.y)
       #endif

buildroot/share/tests/LPC1768-tests

@@ -39,7 +39,7 @@ opt_set TEMP_SENSOR_1 -1
 opt_set TEMP_SENSOR_BED 5
 opt_enable REPRAP_DISCOUNT_FULL_GRAPHIC_SMART_CONTROLLER SDSUPPORT ADAPTIVE_FAN_SLOWING NO_FAN_SLOWING_IN_PID_TUNING \
            FILAMENT_WIDTH_SENSOR FILAMENT_LCD_DISPLAY PID_EXTRUSION_SCALING \
-           FIX_MOUNTED_PROBE AUTO_BED_LEVELING_BILINEAR G29_RETRY_AND_RECOVER Z_MIN_PROBE_REPEATABILITY_TEST DEBUG_LEVELING_FEATURE \
+           NOZZLE_AS_PROBE AUTO_BED_LEVELING_BILINEAR G29_RETRY_AND_RECOVER Z_MIN_PROBE_REPEATABILITY_TEST DEBUG_LEVELING_FEATURE \
            BABYSTEPPING BABYSTEP_XY BABYSTEP_ZPROBE_OFFSET BABYSTEP_ZPROBE_GFX_OVERLAY \
            PRINTCOUNTER NOZZLE_PARK_FEATURE NOZZLE_CLEAN_FEATURE SLOW_PWM_HEATERS PIDTEMPBED EEPROM_SETTINGS INCH_MODE_SUPPORT TEMPERATURE_UNITS_SUPPORT \
            Z_SAFE_HOMING ADVANCED_PAUSE_FEATURE PARK_HEAD_ON_PAUSE \

config/default/Configuration.h

@@ -855,6 +855,12 @@
  */
 //#define FIX_MOUNTED_PROBE
 
+/**
+ * Use the nozzle as the probe, as with a conductive
+ * nozzle system or a piezo-electric smart effector.
+ */
+//#define NOZZLE_AS_PROBE
+
 /**
  * Z Servo Probe, such as an endstop switch on a rotating arm.
  */

config/examples/3DFabXYZ/Migbot/Configuration.h

@@ -862,6 +862,12 @@
  */
 #define FIX_MOUNTED_PROBE
 
+/**
+ * Use the nozzle as the probe, as with a conductive
+ * nozzle system or a piezo-electric smart effector.
+ */
+//#define NOZZLE_AS_PROBE
+
 /**
  * Z Servo Probe, such as an endstop switch on a rotating arm.
  */

config/examples/ADIMLab/Gantry v1/Configuration.h

@@ -855,6 +855,12 @@
  */
 //#define FIX_MOUNTED_PROBE
 
+/**
+ * Use the nozzle as the probe, as with a conductive
+ * nozzle system or a piezo-electric smart effector.
+ */
+//#define NOZZLE_AS_PROBE
+
 /**
  * Z Servo Probe, such as an endstop switch on a rotating arm.
  */

config/examples/ADIMLab/Gantry v2/Configuration.h

@@ -855,6 +855,12 @@
  */
 //#define FIX_MOUNTED_PROBE
 
+/**
+ * Use the nozzle as the probe, as with a conductive
+ * nozzle system or a piezo-electric smart effector.
+ */
+//#define NOZZLE_AS_PROBE
+
 /**
  * Z Servo Probe, such as an endstop switch on a rotating arm.
  */

config/examples/AlephObjects/TAZ4/Configuration.h

@@ -875,6 +875,12 @@
  */
 #define FIX_MOUNTED_PROBE
 
+/**
+ * Use the nozzle as the probe, as with a conductive
+ * nozzle system or a piezo-electric smart effector.
+ */
+//#define NOZZLE_AS_PROBE
+
 /**
  * Z Servo Probe, such as an endstop switch on a rotating arm.
  */

config/examples/Alfawise/U20-bltouch/Configuration.h

@@ -918,6 +918,12 @@
  */
 //#define FIX_MOUNTED_PROBE
 
+/**
+ * Use the nozzle as the probe, as with a conductive
+ * nozzle system or a piezo-electric smart effector.
+ */
+//#define NOZZLE_AS_PROBE
+
 /**
  * Z Servo Probe, such as an endstop switch on a rotating arm.
  */

config/examples/Alfawise/U20/Configuration.h

@@ -918,6 +918,12 @@
  */
 //#define FIX_MOUNTED_PROBE
 
+/**
+ * Use the nozzle as the probe, as with a conductive
+ * nozzle system or a piezo-electric smart effector.
+ */
+//#define NOZZLE_AS_PROBE
+
 /**
  * Z Servo Probe, such as an endstop switch on a rotating arm.
  */

config/examples/AliExpress/CL-260/Configuration.h

@@ -855,6 +855,12 @@
  */
 //#define FIX_MOUNTED_PROBE
 
+/**
+ * Use the nozzle as the probe, as with a conductive
+ * nozzle system or a piezo-electric smart effector.
+ */
+//#define NOZZLE_AS_PROBE
+
 /**
  * Z Servo Probe, such as an endstop switch on a rotating arm.
  */

config/examples/AliExpress/UM2pExt/Configuration.h

@@ -866,6 +866,12 @@
  */
 //#define FIX_MOUNTED_PROBE
 
+/**
+ * Use the nozzle as the probe, as with a conductive
+ * nozzle system or a piezo-electric smart effector.
+ */
+//#define NOZZLE_AS_PROBE
+
 /**
  * Z Servo Probe, such as an endstop switch on a rotating arm.
  */

config/examples/Anet/A2/Configuration.h

@@ -855,6 +855,12 @@
  */
 //#define FIX_MOUNTED_PROBE
 
+/**
+ * Use the nozzle as the probe, as with a conductive
+ * nozzle system or a piezo-electric smart effector.
+ */
+//#define NOZZLE_AS_PROBE
+
 /**
  * Z Servo Probe, such as an endstop switch on a rotating arm.
  */

config/examples/Anet/A2plus/Configuration.h

@@ -855,6 +855,12 @@
  */
 //#define FIX_MOUNTED_PROBE
 
+/**
+ * Use the nozzle as the probe, as with a conductive
+ * nozzle system or a piezo-electric smart effector.
+ */
+//#define NOZZLE_AS_PROBE
+
 /**
  * Z Servo Probe, such as an endstop switch on a rotating arm.
  */

config/examples/Anet/A6/Configuration.h

@@ -896,6 +896,12 @@
  */
 //#define FIX_MOUNTED_PROBE
 
+/**
+ * Use the nozzle as the probe, as with a conductive
+ * nozzle system or a piezo-electric smart effector.
+ */
+//#define NOZZLE_AS_PROBE
+
 /**
  * Z Servo Probe, such as an endstop switch on a rotating arm.
  */

config/examples/Anet/A8/Configuration.h

@@ -868,6 +868,12 @@
  */
 //#define FIX_MOUNTED_PROBE
 
+/**
+ * Use the nozzle as the probe, as with a conductive
+ * nozzle system or a piezo-electric smart effector.
+ */
+//#define NOZZLE_AS_PROBE
+
 /**
  * Z Servo Probe, such as an endstop switch on a rotating arm.
  */

config/examples/Anet/A8plus/Configuration.h

@@ -866,6 +866,12 @@
  */
 //#define FIX_MOUNTED_PROBE
 
+/**
+ * Use the nozzle as the probe, as with a conductive
+ * nozzle system or a piezo-electric smart effector.
+ */
+//#define NOZZLE_AS_PROBE
+
 /**
  * Z Servo Probe, such as an endstop switch on a rotating arm.
  */

config/examples/Anet/E16/Configuration.h

@@ -867,6 +867,12 @@
  */
 //#define FIX_MOUNTED_PROBE
 
+/**
+ * Use the nozzle as the probe, as with a conductive
+ * nozzle system or a piezo-electric smart effector.
+ */
+//#define NOZZLE_AS_PROBE
+
 /**
  * Z Servo Probe, such as an endstop switch on a rotating arm.
  */

config/examples/AnyCubic/i3/Configuration.h

@@ -865,6 +865,12 @@
  */
 //#define FIX_MOUNTED_PROBE
 
+/**
+ * Use the nozzle as the probe, as with a conductive
+ * nozzle system or a piezo-electric smart effector.
+ */
+//#define NOZZLE_AS_PROBE
+
 /**
  * Z Servo Probe, such as an endstop switch on a rotating arm.
  */

config/examples/ArmEd/Configuration.h

@@ -856,6 +856,12 @@
  */
 //#define FIX_MOUNTED_PROBE
 
+/**
+ * Use the nozzle as the probe, as with a conductive
+ * nozzle system or a piezo-electric smart effector.
+ */
+//#define NOZZLE_AS_PROBE
+
 /**
  * Z Servo Probe, such as an endstop switch on a rotating arm.
  */

config/examples/Azteeg/X5GT/Configuration.h

@@ -855,6 +855,12 @@
  */
 //#define FIX_MOUNTED_PROBE
 
+/**
+ * Use the nozzle as the probe, as with a conductive
+ * nozzle system or a piezo-electric smart effector.
+ */
+//#define NOZZLE_AS_PROBE
+
 /**
  * Z Servo Probe, such as an endstop switch on a rotating arm.
  */

config/examples/BIBO/TouchX/cyclops/Configuration.h

@@ -855,6 +855,12 @@
  */
 //#define FIX_MOUNTED_PROBE
 
+/**
+ * Use the nozzle as the probe, as with a conductive
+ * nozzle system or a piezo-electric smart effector.
+ */
+//#define NOZZLE_AS_PROBE
+
 /**
  * Z Servo Probe, such as an endstop switch on a rotating arm.
  */