- cleanup WiFi and GSM ConnectionManager

- changed library version to 0.5.1 (new feature: GSM)

Author: ubidefeo

library.properties

@@ -1,5 +1,5 @@
 name=ArduinoIoTCloud
-version=0.4.1
+version=0.5.1
 author=Arduino
 maintainer=Arduino <info@arduino.cc>
 sentence=This library allows to connect to the Arduino IoT Cloud service.

src/GSMConnectionManager.h

@@ -113,7 +113,7 @@ void GSMConnectionManager::changeConnectionState(NetworkConnectionState _newStat
       newInterval = CHECK_INTERVAL_DISCONNECTED;
       break;
     case CONNECTION_STATE_ERROR:
-      debugMessage("GPRS attach failed\nMake sure the antenna is connected", 0);
+      debugMessage("GPRS attach failed\nMake sure the antenna is connected and reset your board.", 0);
       break;
   }
   connectionTickTimeInterval = newInterval;
@@ -137,6 +137,7 @@ void GSMConnectionManager::check() {
         sprintf(msgBuffer, "GPRS.attachGPRS(): %d", networkStatus);
         debugMessage(msgBuffer, 3);
         if (networkStatus == GSM3_NetworkStatus_t::ERROR) {
+          // NO FURTHER ACTION WILL FOLLOW THIS
           changeConnectionState(CONNECTION_STATE_ERROR);
           return;
         }

src/WiFiConnectionManager.h

@@ -93,6 +93,10 @@ void WiFiConnectionManager::changeConnectionState(NetworkConnectionState _newSta
       debugMessage("Attempting reconnection", 0);
       newInterval = CHECK_INTERVAL_DISCONNECTED;
       break;
+    case CONNECTION_STATE_ERROR:
+      debugMessage("WiFi Hardware failure.\nMake sure you are using a WiFi enabled board/shield.", 0);
+      debugMessage("Then reset and retry.", 0);
+      break;
   }
   connectionTickTimeInterval = newInterval;
   lastConnectionTickTime = millis();
@@ -111,8 +115,7 @@ void WiFiConnectionManager::check() {
         sprintf(msgBuffer, "WiFi.status(): %d", networkStatus);
         debugMessage(msgBuffer, 2);
         if (networkStatus == NETWORK_HARDWARE_ERROR) {
-          debugMessage("WiFi Hardware not available\nMake sure you are using a WiFi enabled board/shield", 0);
-          // don't continue:
+          // NO FURTHER ACTION WILL FOLLOW THIS
           changeConnectionState(CONNECTION_STATE_ERROR);
           lastConnectionTickTime = now;
           return;