Доработка. Освобождение uart-портов для реализации внешнего управления

scripts/network.gd

@@ -23,6 +23,16 @@ class Serial extends SerialPort:
             start_monitoring(timeout)
         return rc
 
+    func try_close():
+        if not is_open():
+            return Error.FAILED
+        stop_monitoring()
+        close()
+        var connections = data_received.get_connections()
+        for conn in connections:
+            data_received.disconnect(conn.callable)
+        return Error.OK
+
 
 class Socket extends PacketPeerUDP:
     func send_to(addr, data):