1 files changed, 80 insertions, 0 deletions
diff --git a/Marlin/src/gcode/feature/clean/G12.cpp b/Marlin/src/gcode/feature/clean/G12.cpp
new file mode 100644
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--- /dev/null
+++ b/Marlin/src/gcode/feature/clean/G12.cpp
@@ -0,0 +1,80 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 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 <https://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "../../../inc/MarlinConfig.h"
+
+#if ENABLED(NOZZLE_CLEAN_FEATURE)
+
+#include "../../../libs/nozzle.h"
+
+#include "../../gcode.h"
+#include "../../parser.h"
+#include "../../../module/motion.h"
+
+#if HAS_LEVELING
+  #include "../../../module/planner.h"
+  #include "../../../feature/bedlevel/bedlevel.h"
+#endif
+
+/**
+ * G12: Clean the nozzle
+ *
+ *  E<bool>          : 0=Never or 1=Always apply the "software endstop" limits
+ *  P0 S<strokes>    : Stroke cleaning with S strokes
+ *  P1 Sn T<objects> : Zigzag cleaning with S repeats and T zigzags
+ *  P2 Sn R<radius>  : Circle cleaning with S repeats and R radius
+ */
+void GcodeSuite::G12() {
+  // Don't allow nozzle cleaning without homing first
+  if (homing_needed_error()) return;
+
+  #ifdef WIPE_SEQUENCE_COMMANDS
+    if (!parser.seen_any()) {
+      gcode.process_subcommands_now_P(PSTR(WIPE_SEQUENCE_COMMANDS));
+      return;
+    }
+  #endif
+
+  const uint8_t pattern = parser.ushortval('P', 0),
+                strokes = parser.ushortval('S', NOZZLE_CLEAN_STROKES),
+                objects = parser.ushortval('T', NOZZLE_CLEAN_TRIANGLES);
+  const float radius = parser.linearval('R', NOZZLE_CLEAN_CIRCLE_RADIUS);
+
+  const bool seenxyz = parser.seen("XYZ");
+  const uint8_t cleans =  (!seenxyz || parser.boolval('X') ? _BV(X_AXIS) : 0)
+                        | (!seenxyz || parser.boolval('Y') ? _BV(Y_AXIS) : 0)
+                        | TERN(NOZZLE_CLEAN_NO_Z, 0, (!seenxyz || parser.boolval('Z') ? _BV(Z_AXIS) : 0))
+                      ;
+
+  #if HAS_LEVELING
+    // Disable bed leveling if cleaning Z
+    TEMPORARY_BED_LEVELING_STATE(!TEST(cleans, Z_AXIS) && planner.leveling_active);
+  #endif
+
+  SET_SOFT_ENDSTOP_LOOSE(!parser.boolval('E'));
+
+  nozzle.clean(pattern, strokes, radius, objects, cleans);
+
+  SET_SOFT_ENDSTOP_LOOSE(false);
+}
+
+#endif // NOZZLE_CLEAN_FEATURE