diff --git a/Source/system/watchdog.c b/Source/system/watchdog.c
new file mode 100644
--- /dev/null
+++ b/Source/system/watchdog.c
@@ -0,0 +1,33 @@
+//
+// Watchdog: configure and initialize the watchdog peripheral
+//
+
+#include "stm32f0xx_hal.h"
+
+#include "config.h"
+#include "system/watchdog.h"
+
+#ifdef WATCHDOG_ENABLE
+static IWDG_HandleTypeDef hiwdg;
+#endif
+
+void watchdog_init(void)
+{
+#ifdef WATCHDOG_ENABLE
+    hiwdg.Instance = IWDG;
+    hiwdg.Init.Prescaler = IWDG_PRESCALER_4;
+    hiwdg.Init.Window = 4095;
+    hiwdg.Init.Reload = 4095;
+    HAL_IWDG_Init(&hiwdg);
+	watchdog_feed();
+	HAL_IWDG_Start(&hiwdg);
+
+#endif
+}
+
+void watchdog_feed(void)
+{
+#ifdef WATCHDOG_ENABLE
+	HAL_IWDG_Refresh(&hiwdg);
+#endif
+}