Attempt TCP connection to localhost if serial detect fails

meshtastic/__main__.py

@@ -984,6 +984,16 @@ def common():
                     message += "  After running that command, log out and re-login for it to take effect.\n"
                     message += f"Error was:{ex}"
                     meshtastic.util.our_exit(message)
+                if client.devPath is None:
+                    try:
+                        client = meshtastic.tcp_interface.TCPInterface(
+                            "localhost", debugOut=logfile, noProto=args.noproto
+                        )
+                    except Exception as ex:
+                        meshtastic.util.our_exit(
+                            f"Error connecting to localhost:{ex}", 1
+                        )
+
 
             # We assume client is fully connected now
             onConnected(client)

meshtastic/serial_interface.py

@@ -32,7 +32,8 @@ class SerialInterface(StreamInterface):
             ports = meshtastic.util.findPorts(True)
             logging.debug(f"ports:{ports}")
             if len(ports) == 0:
-                meshtastic.util.our_exit("Warning: No Meshtastic devices detected.")
+                print("No Serial Meshtastic device detected, attempting TCP connection on localhost.")
+                return
             elif len(ports) > 1:
                 message = "Warning: Multiple serial ports were detected so one serial port must be specified with the '--port'.\n"
                 message += f"  Ports detected:{ports}"