Add loose soft endstop state, apply to UBL fine-tune (#19681)

Co-authored-by: Scott Lahteine <thinkyhead@users.noreply.github.com>

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

@@ -201,10 +201,6 @@ G29_TYPE GcodeSuite::G29() {
     ABL_VAR int abl_probe_index;
   #endif
 
-  #if BOTH(HAS_SOFTWARE_ENDSTOPS, PROBE_MANUALLY)
-    ABL_VAR bool saved_soft_endstops_state = true;
-  #endif
-
   #if ABL_GRID
 
     #if ENABLED(PROBE_MANUALLY)
@@ -461,7 +457,7 @@ G29_TYPE GcodeSuite::G29() {
     // Abort current G29 procedure, go back to idle state
     if (seenA && g29_in_progress) {
       SERIAL_ECHOLNPGM("Manual G29 aborted");
-      TERN_(HAS_SOFTWARE_ENDSTOPS, soft_endstops_enabled = saved_soft_endstops_state);
+      SET_SOFT_ENDSTOP_LOOSE(false);
       set_bed_leveling_enabled(abl_should_enable);
       g29_in_progress = false;
       TERN_(LCD_BED_LEVELING, ui.wait_for_move = false);
@@ -482,7 +478,7 @@ G29_TYPE GcodeSuite::G29() {
 
     if (abl_probe_index == 0) {
       // For the initial G29 S2 save software endstop state
-      TERN_(HAS_SOFTWARE_ENDSTOPS, saved_soft_endstops_state = soft_endstops_enabled);
+      SET_SOFT_ENDSTOP_LOOSE(true);
       // Move close to the bed before the first point
       do_blocking_move_to_z(0);
     }
@@ -552,14 +548,14 @@ G29_TYPE GcodeSuite::G29() {
         _manual_goto_xy(probePos); // Can be used here too!
         // Disable software endstops to allow manual adjustment
         // If G29 is not completed, they will not be re-enabled
-        TERN_(HAS_SOFTWARE_ENDSTOPS, soft_endstops_enabled = false);
+        SET_SOFT_ENDSTOP_LOOSE(true);
         G29_RETURN(false);
       }
       else {
         // Leveling done! Fall through to G29 finishing code below
         SERIAL_ECHOLNPGM("Grid probing done.");
         // Re-enable software endstops, if needed
-        TERN_(HAS_SOFTWARE_ENDSTOPS, soft_endstops_enabled = saved_soft_endstops_state);
+        SET_SOFT_ENDSTOP_LOOSE(false);
       }
 
     #elif ENABLED(AUTO_BED_LEVELING_3POINT)
@@ -570,7 +566,7 @@ G29_TYPE GcodeSuite::G29() {
         _manual_goto_xy(probePos);
         // Disable software endstops to allow manual adjustment
         // If G29 is not completed, they will not be re-enabled
-        TERN_(HAS_SOFTWARE_ENDSTOPS, soft_endstops_enabled = false);
+        SET_SOFT_ENDSTOP_LOOSE(true);
         G29_RETURN(false);
       }
       else {
@@ -578,7 +574,7 @@ G29_TYPE GcodeSuite::G29() {
         SERIAL_ECHOLNPGM("3-point probing done.");
 
         // Re-enable software endstops, if needed
-        TERN_(HAS_SOFTWARE_ENDSTOPS, soft_endstops_enabled = saved_soft_endstops_state);
+        SET_SOFT_ENDSTOP_LOOSE(false);
 
         if (!dryrun) {
           vector_3 planeNormal = vector_3::cross(points[0] - points[1], points[2] - points[1]).get_normal();

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

@@ -61,7 +61,6 @@ inline void echo_not_entered(const char c) { SERIAL_CHAR(c); SERIAL_ECHOLNPGM("
 void GcodeSuite::G29() {
 
   static int mbl_probe_index = -1;
-  TERN_(HAS_SOFTWARE_ENDSTOPS, static bool saved_soft_endstops_state);
 
   MeshLevelingState state = (MeshLevelingState)parser.byteval('S', (int8_t)MeshReport);
   if (!WITHIN(state, 0, 5)) {
@@ -98,26 +97,19 @@ void GcodeSuite::G29() {
       }
       // For each G29 S2...
       if (mbl_probe_index == 0) {
-        #if HAS_SOFTWARE_ENDSTOPS
-          // For the initial G29 S2 save software endstop state
-          saved_soft_endstops_state = soft_endstops_enabled;
-        #endif
         // Move close to the bed before the first point
         do_blocking_move_to_z(0);
       }
       else {
         // Save Z for the previous mesh position
         mbl.set_zigzag_z(mbl_probe_index - 1, current_position.z);
-        TERN_(HAS_SOFTWARE_ENDSTOPS, soft_endstops_enabled = saved_soft_endstops_state);
+        SET_SOFT_ENDSTOP_LOOSE(false);
       }
       // If there's another point to sample, move there with optional lift.
       if (mbl_probe_index < GRID_MAX_POINTS) {
-        #if HAS_SOFTWARE_ENDSTOPS
-          // Disable software endstops to allow manual adjustment
-          // If G29 is not completed, they will not be re-enabled
-          soft_endstops_enabled = false;
-        #endif
-
+        // Disable software endstops to allow manual adjustment
+        // If G29 is left hanging without completion they won't be re-enabled!
+        SET_SOFT_ENDSTOP_LOOSE(true);
         mbl.zigzag(mbl_probe_index++, ix, iy);
         _manual_goto_xy({ mbl.index_to_xpos[ix], mbl.index_to_ypos[iy] });
       }

Marlin/src/gcode/calibrate/G28.cpp

@@ -222,8 +222,9 @@ void GcodeSuite::G28() {
     return;
   }
 
-  // Wait for planner moves to finish!
-  planner.synchronize();
+  planner.synchronize();          // Wait for planner moves to finish!
+
+  SET_SOFT_ENDSTOP_LOOSE(false);  // Reset a leftover 'loose' motion state
 
   // Disable the leveling matrix before homing
   #if HAS_LEVELING

Marlin/src/gcode/calibrate/G34.cpp

@@ -40,7 +40,7 @@ void GcodeSuite::G34() {
 
   if (homing_needed()) return;
 
-  TEMPORARY_SOFT_ENDSTOP_STATE(false);
+  SET_SOFT_ENDSTOP_LOOSE(true);
   TEMPORARY_BED_LEVELING_STATE(false);
   TemporaryGlobalEndstopsState unlock_z(false);
 
@@ -148,6 +148,8 @@ void GcodeSuite::G34() {
     if (DEBUGGING(LEVELING)) DEBUG_ECHOLNPGM("Running Post Commands");
     gcode.process_subcommands_now_P(PSTR(GANTRY_CALIBRATION_COMMANDS_POST));
   #endif
+
+  SET_SOFT_ENDSTOP_LOOSE(false);
 }
 
 #endif // MECHANICAL_GANTRY_CALIBRATION

Marlin/src/gcode/calibrate/G425.cpp

@@ -581,13 +581,12 @@ void GcodeSuite::G425() {
     GcodeSuite::process_subcommands_now_P(PSTR(CALIBRATION_SCRIPT_PRE));
   #endif
 
-  TEMPORARY_SOFT_ENDSTOP_STATE(false);
-  TEMPORARY_BED_LEVELING_STATE(false);
-
   if (homing_needed_error()) return;
 
-  measurements_t m;
+  TEMPORARY_BED_LEVELING_STATE(false);
+  SET_SOFT_ENDSTOP_LOOSE(true);
 
+  measurements_t m;
   float uncertainty = parser.seenval('U') ? parser.value_float() : CALIBRATION_MEASUREMENT_UNCERTAIN;
 
   if (parser.seen('B'))
@@ -612,6 +611,8 @@ void GcodeSuite::G425() {
   else
     calibrate_all();
 
+  SET_SOFT_ENDSTOP_LOOSE(false);
+
   #ifdef CALIBRATION_SCRIPT_POST
     GcodeSuite::process_subcommands_now_P(PSTR(CALIBRATION_SCRIPT_POST));
   #endif

Marlin/src/gcode/control/M211.cpp

@@ -37,8 +37,8 @@ void GcodeSuite::M211() {
                   l_soft_max = soft_endstop.max.asLogical();
   SERIAL_ECHO_START();
   SERIAL_ECHOPGM(STR_SOFT_ENDSTOPS);
-  if (parser.seen('S')) soft_endstops_enabled = parser.value_bool();
-  serialprint_onoff(soft_endstops_enabled);
+  if (parser.seen('S')) soft_endstop._enabled = parser.value_bool();
+  serialprint_onoff(soft_endstop._enabled);
   print_xyz(l_soft_min, PSTR(STR_SOFT_MIN), PSTR(" "));
   print_xyz(l_soft_max, PSTR(STR_SOFT_MAX));
 }

Marlin/src/gcode/feature/clean/G12.cpp

@@ -70,9 +70,11 @@ void GcodeSuite::G12() {
     TEMPORARY_BED_LEVELING_STATE(!TEST(cleans, Z_AXIS) && planner.leveling_active);
   #endif
 
-  TEMPORARY_SOFT_ENDSTOP_STATE(parser.boolval('E'));
+  SET_SOFT_ENDSTOP_LOOSE(!parser.boolval('E'));
 
   nozzle.clean(pattern, strokes, radius, objects, cleans);
+
+  SET_SOFT_ENDSTOP_LOOSE(false);
 }
 
 #endif // NOZZLE_CLEAN_FEATURE