1 files changed, 34 insertions, 0 deletions
diff --git a/Marlin/src/HAL/TEENSY31_32/watchdog.h b/Marlin/src/HAL/TEENSY31_32/watchdog.h
new file mode 100644
index 0000000..b8b46a4
--- /dev/null
+++ b/Marlin/src/HAL/TEENSY31_32/watchdog.h
@@ -0,0 +1,34 @@
+/**
+ * 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/>.
+ *
+ */
+#pragma once
+
+#include "HAL.h"
+
+// Arduino Due core now has watchdog support
+
+void watchdog_init();
+
+inline void HAL_watchdog_refresh() {
+  // Watchdog refresh sequence
+  WDOG_REFRESH = 0xA602;
+  WDOG_REFRESH = 0xB480;
+}