Import FilamentRunoutSensor with debounce (#9947)

Marlin/runout.cpp

@@ -0,0 +1,61 @@
+/**
+ * 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/>.
+ *
+ */
+
+/**
+ * runout.cpp - Runout sensor support
+ */
+
+#include "MarlinConfig.h"
+
+#if ENABLED(FILAMENT_RUNOUT_SENSOR)
+
+#include "runout.h"
+
+FilamentRunoutSensor runout;
+
+bool FilamentRunoutSensor::filament_ran_out; // = false
+uint8_t FilamentRunoutSensor::runout_count; // = 0
+
+void FilamentRunoutSensor::setup() {
+
+  #if ENABLED(FIL_RUNOUT_PULLUP)
+    #define INIT_RUNOUT_PIN(P) SET_INPUT_PULLUP(P)
+  #else
+    #define INIT_RUNOUT_PIN(P) SET_INPUT(P)
+  #endif
+
+  INIT_RUNOUT_PIN(FIL_RUNOUT_PIN);
+  #if NUM_RUNOUT_SENSORS > 1
+    INIT_RUNOUT_PIN(FIL_RUNOUT2_PIN);
+    #if NUM_RUNOUT_SENSORS > 2
+      INIT_RUNOUT_PIN(FIL_RUNOUT3_PIN);
+      #if NUM_RUNOUT_SENSORS > 3
+        INIT_RUNOUT_PIN(FIL_RUNOUT4_PIN);
+        #if NUM_RUNOUT_SENSORS > 4
+          INIT_RUNOUT_PIN(FIL_RUNOUT5_PIN);
+        #endif
+      #endif
+    #endif
+  #endif
+}
+
+#endif // FILAMENT_RUNOUT_SENSOR