Only call maintain when connected

Author: PaulZC

Firmware/RTK_Surveyor/menuEthernet.ino

@@ -183,42 +183,45 @@ void updateEthernet()
         w5500ClearSocketInterrupt(ntpSockIndex); // Clear the socket interrupt here
 
     // Maintain the ethernet connection
-    switch (Ethernet.maintain())
-    {
-    case 1:
-        // renewed fail
-        if (settings.enablePrintEthernetDiag && (!inMainMenu))
-            systemPrintln("Ethernet: Error: renewed fail");
-        break;
-
-    case 2:
-        // renewed success
-        if (settings.enablePrintEthernetDiag && (!inMainMenu))
+    if ((online.ethernetStatus >= ETH_STARTED_CHECK_CABLE) && (online.ethernetStatus <= ETH_CONNECTED))
+        switch (Ethernet.maintain())
         {
-            systemPrint("Ethernet: Renewed success. IP address: ");
-            systemPrintln(Ethernet.localIP());
-        }
-        break;
+        case 1:
+            // renewed fail
+            if (settings.enablePrintEthernetDiag && (!inMainMenu))
+                systemPrintln("Ethernet: Error: renewed fail");
+            ethernetRestart(); // Restart Ethernet
+            break;
 
-    case 3:
-        // rebind fail
-        if (settings.enablePrintEthernetDiag && (!inMainMenu))
-            systemPrintln("Ethernet: Error: rebind fail");
-        break;
+        case 2:
+            // renewed success
+            if (settings.enablePrintEthernetDiag && (!inMainMenu))
+            {
+                systemPrint("Ethernet: Renewed success. IP address: ");
+                systemPrintln(Ethernet.localIP());
+            }
+            break;
 
-    case 4:
-        // rebind success
-        if (settings.enablePrintEthernetDiag && (!inMainMenu))
-        {
-            systemPrint("Ethernet: Rebind success. IP address: ");
-            systemPrintln(Ethernet.localIP());
-        }
-        break;
+        case 3:
+            // rebind fail
+            if (settings.enablePrintEthernetDiag && (!inMainMenu))
+                systemPrintln("Ethernet: Error: rebind fail");
+            ethernetRestart(); // Restart Ethernet
+            break;
 
-    default:
-        // nothing happened
-        break;
-    }
+        case 4:
+            // rebind success
+            if (settings.enablePrintEthernetDiag && (!inMainMenu))
+            {
+                systemPrint("Ethernet: Rebind success. IP address: ");
+                systemPrintln(Ethernet.localIP());
+            }
+            break;
+
+        default:
+            // nothing happened
+            break;
+        }
 #endif  // COMPILE_ETHERNET
 }