Add M701/M702 Filament Load/Unload, M603

Marlin/src/gcode/feature/pause/M603.cpp

@@ -0,0 +1,65 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2016 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 <http://www.gnu.org/licenses/>.
+ *
+ */
+
+#include "../../../inc/MarlinConfig.h"
+
+#if ENABLED(ADVANCED_PAUSE_FEATURE)
+
+#include "../../gcode.h"
+#include "../../../feature/pause.h"
+#include "../../../module/motion.h"
+#include "../../../module/printcounter.h"
+
+#if EXTRUDERS > 1
+  #include "../../../module/tool_change.h"
+#endif
+
+/**
+ * M603: Configure filament change
+ *
+ *  T[toolhead] - Select extruder to configure, active extruder if not specified
+ *  U[distance] - Retract distance for removal, for the specified extruder
+ *  L[distance] - Extrude distance for insertion, for the specified extruder
+ *
+ */
+inline void GcodeSuite::M603() {
+
+  if (get_target_extruder_from_command()) return;
+
+  // Unload length
+  if (parser.seen('U')) {
+    filament_change_unload_length[target_extruder] = FABS(parser.value_axis_units(E_AXIS));
+    #if ENABLED(PREVENT_LENGTHY_EXTRUDE)
+      NOMORE(filament_change_unload_length[target_extruder], EXTRUDE_MAXLENGTH);
+    #endif
+  }
+
+  // Load length
+  if (parser.seen('L')) {
+    filament_change_load_length[target_extruder] = FABS(parser.value_axis_units(E_AXIS));
+    #if ENABLED(PREVENT_LENGTHY_EXTRUDE)
+      NOMORE(filament_change_load_length[target_extruder], EXTRUDE_MAXLENGTH);
+    #endif
+  }
+}
+
+#endif // ADVANCED_PAUSE_FEATURE