Merge pull request #14 from pennam/wdog

Allow watchdog kick while waiting for network

Author: cristidragomir97

Diff for: src/ArduinoCellular.cpp

@@ -1,6 +1,9 @@
 
 
 #include "ArduinoCellular.h"
+#if defined(ARDUINO_ARCH_MBED)
+  #include "Watchdog.h"
+#endif
 
 unsigned long ArduinoCellular::getTime() {
     int year, month, day, hour, minute, second;
@@ -217,12 +220,17 @@ bool ArduinoCellular::awaitNetworkRegistration(){
     if(this->debugStream != nullptr){
         this->debugStream->println("Waiting for network registration...");
     }
-    while (!modem.waitForNetwork()) {
+    while (!modem.waitForNetwork(waitForNetworkTimeout)) {
         if(this->debugStream != nullptr){
             this->debugStream->print(".");
         }
+        #if defined(ARDUINO_ARCH_MBED)
+            if(mbed::Watchdog::get_instance().is_running()) {
+                mbed::Watchdog::get_instance().kick();
+            }
+        #endif
         delay(2000);
-    } 
+    }
     return true;
 }
 

Diff for: src/ArduinoCellular.h

@@ -289,6 +289,8 @@ class ArduinoCellular {
         Stream* debugStream = nullptr; /**< The stream to be used for printing debugging messages. */
 
         static unsigned long getTime(); /** Callback for getting the current time as an unix timestamp. */
+
+        static constexpr unsigned long waitForNetworkTimeout = 20000L; /**< Maximum wait time for network registration (In milliseconds). */
 };