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/STM32/watchdog.cpp | 49 +++++++++++++++++++++++++++++++++++++++
1 file changed, 49 insertions(+)
create mode 100644 Marlin/src/HAL/STM32/watchdog.cpp
(limited to 'Marlin/src/HAL/STM32/watchdog.cpp')
diff --git a/Marlin/src/HAL/STM32/watchdog.cpp b/Marlin/src/HAL/STM32/watchdog.cpp
new file mode 100644
index 0000000..aad0a79
--- /dev/null
+++ b/Marlin/src/HAL/STM32/watchdog.cpp
@@ -0,0 +1,49 @@
+/**
+ * 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 .
+ *
+ */
+#if defined(ARDUINO_ARCH_STM32) && !defined(STM32GENERIC)
+
+#include "../../inc/MarlinConfigPre.h"
+
+#if ENABLED(USE_WATCHDOG)
+
+#define WDT_TIMEOUT_US TERN(WATCHDOG_DURATION_8S, 8000000, 4000000) // 4 or 8 second timeout
+
+#include "../../inc/MarlinConfig.h"
+
+#include "watchdog.h"
+#include
+
+void watchdog_init() {
+ #if DISABLED(DISABLE_WATCHDOG_INIT)
+ IWatchdog.begin(WDT_TIMEOUT_US);
+ #endif
+}
+
+void HAL_watchdog_refresh() {
+ IWatchdog.reload();
+ #if DISABLED(PINS_DEBUGGING) && PIN_EXISTS(LED)
+ TOGGLE(LED_PIN); // heartbeat indicator
+ #endif
+}
+
+#endif // USE_WATCHDOG
+#endif // ARDUINO_ARCH_STM32 && !STM32GENERIC
--
cgit v1.2.3