From e8701195e66f2d27ffe17fb514eae8173795aaf7 Mon Sep 17 00:00:00 2001
From: Georgiy Bondarenko <69736697+nehilo@users.noreply.github.com>
Date: Thu, 4 Mar 2021 22:54:23 +0500
Subject: Initial commit

---
 Marlin/src/HAL/TEENSY31_32/watchdog.cpp | 40 +++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 Marlin/src/HAL/TEENSY31_32/watchdog.cpp

(limited to 'Marlin/src/HAL/TEENSY31_32/watchdog.cpp')

diff --git a/Marlin/src/HAL/TEENSY31_32/watchdog.cpp b/Marlin/src/HAL/TEENSY31_32/watchdog.cpp
new file mode 100644
index 0000000..5e21236
--- /dev/null
+++ b/Marlin/src/HAL/TEENSY31_32/watchdog.cpp
@@ -0,0 +1,40 @@
+/**
+ * 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/>.
+ *
+ */
+#ifdef __MK20DX256__
+
+#include "../../inc/MarlinConfig.h"
+
+#if ENABLED(USE_WATCHDOG)
+
+#include "watchdog.h"
+
+#define WDT_TIMEOUT_MS TERN(WATCHDOG_DURATION_8S, 8000, 4000) // 4 or 8 second timeout
+
+void watchdog_init() {
+  WDOG_TOVALH = 0;
+  WDOG_TOVALL = WDT_TIMEOUT_MS;
+  WDOG_STCTRLH = WDOG_STCTRLH_WDOGEN;
+}
+
+#endif // USE_WATCHDOG
+
+#endif // __MK20DX256__
-- 
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