Move M163-M165 MIXING_EXTRUDER to cpp

Marlin/src/feature/mixing.h

@@ -0,0 +1,41 @@
+/**
+ * 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 __MIXING_H__
+#define __MIXING_H__
+
+#include "../inc/MarlinConfig.h"
+
+extern float mixing_factor[MIXING_STEPPERS]; // Reciprocal of mix proportion. 0.0 = off, otherwise >= 1.0.
+
+#if MIXING_VIRTUAL_TOOLS > 1
+  extern float mixing_virtual_tool_mix[MIXING_VIRTUAL_TOOLS][MIXING_STEPPERS];
+  void mixing_tools_init();
+#endif
+
+void normalize_mix();
+
+#if ENABLED(DIRECT_MIXING_IN_G1)
+  void gcode_get_mix();
+#endif
+
+#endif // __MIXING_H__