Add Coolant Control M7/M8/M9 (#10745)

Marlin/src/gcode/control/M7-M9.cpp

@@ -0,0 +1,63 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (C) 2019 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(COOLANT_CONTROL)
+
+#include "../gcode.h"
+#include "../../module/planner.h"
+
+#if ENABLED(COOLANT_MIST)
+  /**
+   * M7: Mist Coolant On
+   */
+  void GcodeSuite::M7() {
+    planner.synchronize();                            // Wait for move to arrive
+    WRITE(COOLANT_MIST_PIN, !(COOLANT_MIST_INVERT));  // Turn on Mist coolant
+  }
+#endif
+
+#if ENABLED(COOLANT_FLOOD)
+  /**
+   * M8: Flood Coolant On
+   */
+  void GcodeSuite::M8() {
+    planner.synchronize();                              // Wait for move to arrive
+    WRITE(COOLANT_FLOOD_PIN, !(COOLANT_FLOOD_INVERT));  // Turn on Flood coolant
+  }
+#endif
+
+/**
+ * M9: Coolant OFF
+ */
+void GcodeSuite::M9() {
+  planner.synchronize();                            // Wait for move to arrive
+  #if ENABLED(COOLANT_MIST)
+    WRITE(COOLANT_MIST_PIN, COOLANT_MIST_INVERT);   // Turn off Mist coolant
+  #endif
+  #if ENABLED(COOLANT_FLOOD)
+    WRITE(COOLANT_FLOOD_PIN, COOLANT_FLOOD_INVERT); // Turn off Flood coolant
+  #endif
+}
+
+#endif // COOLANT_CONTROL