Provide strong implementation in order to override 'wifi_nina_feed_watchdog' defined weak within WiFiNINA.

Author: aentinger

src/utility/watchdog/Watchdog.cpp

@@ -0,0 +1,39 @@
+/*
+   This file is part of ArduinoIoTCloud.
+
+   Copyright 2020 ARDUINO SA (http://www.arduino.cc/)
+
+   This software is released under the GNU General Public License version 3,
+   which covers the main part of arduino-cli.
+   The terms of this license can be found at:
+   https://www.gnu.org/licenses/gpl-3.0.en.html
+
+   You can be released from the requirements of the above licenses by purchasing
+   a commercial license. Buying such a license is mandatory if you want to modify or
+   otherwise use the software for commercial activities involving the Arduino
+   software without disclosing the source code of your own applications. To purchase
+   a commercial license, send an email to [email protected].
+*/
+
+/******************************************************************************
+ * INCLUDE
+ ******************************************************************************/
+
+#include "Watchdog.h"
+
+/******************************************************************************
+ * FUNCTION DEFINITION
+ ******************************************************************************/
+
+#ifdef ARDUINO_ARCH_SAMD
+/* This function is called within the WiFiNINA library when invoking
+ * the method 'connectBearSSL' in order to prevent a premature bite
+ * of the watchdog (max timeout on SAMD is 16 s). wifi_nina_feed...
+ * is defined a weak function there and overwritten by this "strong"
+ * function here.
+ */
+void wifi_nina_feed_watchdog()
+{
+    Watchdog.reset();
+}
+#endif /* ARDUINO_ARCH_SAMD */