Fix g12 for single nozzle

Marlin/src/gcode/calibrate/M100.cpp

@@ -116,13 +116,18 @@
 // Utility functions
 //
 
-// Location of a variable on its stack frame. Returns a value above
-// the stack (once the function returns to the caller).
-char* top_of_stack() {
+#pragma GCC diagnostic push
+#pragma GCC diagnostic ignored "-Wreturn-local-addr"
+
+// Location of a variable in its stack frame.
+// The returned address will be above the stack (after it returns).
+char *top_of_stack() {
   char x;
   return &x + 1; // x is pulled on return;
 }
 
+#pragma GCC diagnostic pop
+
 // Count the number of test bytes at the specified location.
 inline int32_t count_test_bytes(const char * const start_free_memory) {
   for (uint32_t i = 0; i < 32000; i++)

Marlin/src/libs/nozzle.cpp

@@ -159,22 +159,48 @@ Nozzle nozzle;
   void Nozzle::clean(const uint8_t &pattern, const uint8_t &strokes, const float &radius, const uint8_t &objects, const uint8_t cleans) {
     xyz_pos_t start[HOTENDS] = NOZZLE_CLEAN_START_POINT, end[HOTENDS] = NOZZLE_CLEAN_END_POINT, middle[HOTENDS] = NOZZLE_CLEAN_CIRCLE_MIDDLE;
 
+    const uint8_t arrPos = ANY(SINGLENOZZLE, MIXING_EXTRUDER) ? 0 : active_extruder;
+
+    #if HAS_SOFTWARE_ENDSTOPS
+
+      #define LIMIT_AXIS(A) do{ \
+        LIMIT( start[arrPos].A, soft_endstop.min.A, soft_endstop.max.A); \
+        LIMIT(middle[arrPos].A, soft_endstop.min.A, soft_endstop.max.A); \
+        LIMIT(   end[arrPos].A, soft_endstop.min.A, soft_endstop.max.A); \
+      }while(0)
+
+      LIMIT_AXIS(x);
+      LIMIT_AXIS(y);
+      LIMIT_AXIS(z);
+
+      const bool radiusOutOfRange = (middle[arrPos].x + radius > soft_endstop.max.x)
+                                 || (middle[arrPos].x - radius < soft_endstop.min.x)
+                                 || (middle[arrPos].y + radius > soft_endstop.max.y)
+                                 || (middle[arrPos].y - radius < soft_endstop.min.y);
+
+      if (radiusOutOfRange && pattern == 2) {
+        SERIAL_ECHOLNPGM("Warning: Radius Out of Range");
+        return;
+      }
+
+    #endif
+
     if (pattern == 2) {
       if (!(cleans & (_BV(X_AXIS) | _BV(Y_AXIS)))) {
-        SERIAL_ECHOLNPGM("Warning : Clean Circle requires XY");
+        SERIAL_ECHOLNPGM("Warning: Clean Circle requires XY");
         return;
       }
     }
     else {
-      if (!TEST(cleans, X_AXIS)) start[active_extruder].x = end[active_extruder].x = current_position.x;
-      if (!TEST(cleans, Y_AXIS)) start[active_extruder].y = end[active_extruder].y = current_position.y;
+      if (!TEST(cleans, X_AXIS)) start[arrPos].x = end[arrPos].x = current_position.x;
+      if (!TEST(cleans, Y_AXIS)) start[arrPos].y = end[arrPos].y = current_position.y;
     }
-    if (!TEST(cleans, Z_AXIS)) start[active_extruder].z = end[active_extruder].z = current_position.z;
+    if (!TEST(cleans, Z_AXIS)) start[arrPos].z = end[arrPos].z = current_position.z;
 
     switch (pattern) {
-       case 1: zigzag(start[active_extruder], end[active_extruder], strokes, objects); break;
-       case 2: circle(start[active_extruder], middle[active_extruder], strokes, radius);  break;
-      default: stroke(start[active_extruder], end[active_extruder], strokes);
+       case 1: zigzag(start[arrPos], end[arrPos], strokes, objects); break;
+       case 2: circle(start[arrPos], middle[arrPos], strokes, radius);  break;
+      default: stroke(start[arrPos], end[arrPos], strokes);
     }
   }