1 files changed, 43 insertions, 0 deletions
diff --git a/Marlin/src/feature/closedloop.cpp b/Marlin/src/feature/closedloop.cpp
new file mode 100644
index 0000000..8a97f0c
--- /dev/null
+++ b/Marlin/src/feature/closedloop.cpp
@@ -0,0 +1,43 @@
+/**
+ * Marlin 3D Printer Firmware
+ * Copyright (c) 2020 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 <https://www.gnu.org/licenses/>.
+ *
+ */
+#include "../inc/MarlinConfig.h"
+
+#if ENABLED(EXTERNAL_CLOSED_LOOP_CONTROLLER)
+
+#if !PIN_EXISTS(CLOSED_LOOP_ENABLE) || !PIN_EXISTS(CLOSED_LOOP_MOVE_COMPLETE)
+  #error "CLOSED_LOOP_ENABLE_PIN and CLOSED_LOOP_MOVE_COMPLETE_PIN are required for EXTERNAL_CLOSED_LOOP_CONTROLLER."
+#endif
+
+#include "closedloop.h"
+
+ClosedLoop closedloop;
+
+void ClosedLoop::init() {
+  OUT_WRITE(CLOSED_LOOP_ENABLE_PIN, LOW);
+  SET_INPUT_PULLUP(CLOSED_LOOP_MOVE_COMPLETE_PIN);
+}
+
+void ClosedLoop::set(const byte val) {
+  OUT_WRITE(CLOSED_LOOP_ENABLE_PIN, val);
+}
+
+#endif // EXTERNAL_CLOSED_LOOP_CONTROLLER