From be9cb8b1ffd6e57bf03c48fbec83b7aa59f899fc Mon Sep 17 00:00:00 2001
From: Henrik Ekblad <henrik.ekblad@gmail.com>
Date: Thu, 2 Apr 2015 10:10:43 +0200
Subject: [PATCH] Watchdog Timer interrupt service routine added.Thanks @kolaf.

---
 libraries/MySensors/MyHwATMega328.cpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/libraries/MySensors/MyHwATMega328.cpp b/libraries/MySensors/MyHwATMega328.cpp
index 4f9d9a8..f7e58a4 100644
--- a/libraries/MySensors/MyHwATMega328.cpp
+++ b/libraries/MySensors/MyHwATMega328.cpp
@@ -11,6 +11,14 @@ void wakeUp2()	 //place to send the second interrupts
 	pinIntTrigger = 2;
 }
 
+// Watchdog Timer interrupt service routine. This routine is required
+// to allow automatic WDIF and WDIE bit clearance in hardware.
+ISR (WDT_vect)
+{
+	// WDIE & WDIF is cleared in hardware upon entering this ISR
+	wdt_disable();
+}
+
 MyHwATMega328::MyHwATMega328() : MyHw()
 {
 }