Initial split-up of G-code handlers by category

Marlin/src/module/tool_change.h

@@ -0,0 +1,57 @@
+/**
+ * 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/>.
+ *
+ */
+
+#ifndef TOOL_CHANGE_H
+#define TOOL_CHANGE_H
+
+#include "../inc/MarlinConfig.h"
+
+#if ENABLED(SWITCHING_EXTRUDER)
+  void move_extruder_servo(const uint8_t e);
+#endif
+
+#if ENABLED(SWITCHING_NOZZLE)
+  void move_nozzle_servo(const uint8_t e);
+#endif
+
+#if ENABLED(PARKING_EXTRUDER)
+
+  #if ENABLED(PARKING_EXTRUDER_SOLENOIDS_INVERT)
+    #define PE_MAGNET_ON_STATE !PARKING_EXTRUDER_SOLENOIDS_PINS_ACTIVE
+  #else
+    #define PE_MAGNET_ON_STATE PARKING_EXTRUDER_SOLENOIDS_PINS_ACTIVE
+  #endif
+
+  void pe_set_magnet(const uint8_t extruder_num, const uint8_t state);
+
+  inline void pe_activate_magnet(const uint8_t extruder_num) { pe_set_magnet(extruder_num, PE_MAGNET_ON_STATE); }
+  inline void pe_deactivate_magnet(const uint8_t extruder_num) { pe_set_magnet(extruder_num, !PE_MAGNET_ON_STATE); }
+
+#endif // PARKING_EXTRUDER
+
+/**
+ * Perform a tool-change, which may result in moving the
+ * previous tool out of the way and the new tool into place.
+ */
+void tool_change(const uint8_t tmp_extruder, const float fr_mm_s=0.0, bool no_move=false);
+
+#endif // TOOL_CHANGE_H