Explicitly set default network type

Fix #360. Limit input to either Ethernet or WiFi, no more NETWORK_TYPE_USE_DEFAULT.

Author: nseidle

Firmware/RTK_Everywhere/Begin.ino

@@ -1089,6 +1089,11 @@ void beginSystemState()
         // We should really restructure things so we use online.corrections...
         if (settings.enablePointPerfectCorrections)
             systemState = STATE_KEYS_STARTED;
+
+        // Explicitly set the default network type to avoid printing 'Hardware default'
+        // https://github.com/sparkfun/SparkFun_RTK_Everywhere_Firmware/issues/360
+        if(settings.defaultNetworkType == NETWORK_TYPE_USE_DEFAULT)
+            settings.defaultNetworkType = NETWORK_TYPE_ETHERNET;
     }
     else if (productVariant == RTK_FACET_MOSAIC)
     {

Firmware/RTK_Everywhere/Ethernet.ino

@@ -116,7 +116,7 @@ void menuEthernet()
         {
             // Toggle the network type
             settings.defaultNetworkType += 1;
-            if (settings.defaultNetworkType > NETWORK_TYPE_USE_DEFAULT)
+            if (settings.defaultNetworkType >= NETWORK_TYPE_MAX)
                 settings.defaultNetworkType = 0;
         }
         else if (incoming == 'f')