GridFree SUN-2000G (#926)

* Support for GridFree Sun-2000G inverter

* Bump version of GFSunInverter

Co-authored-by: Martin Korbel <korbel@blackserver.cz>

main/config_GFSunInverter.h

@@ -0,0 +1,47 @@
+/*
+  OpenMQTTGateway  - ESP8266 or Arduino program for home automation
+
+   Act as a wifi or ethernet gateway between your GridFree SUN-2000G inverter and a MQTT broker.
+   Send inverter metrics by MQTT.
+
+  This gateway enables to:
+  - publish MQTT data, which are received by RS232 ModBus.
+
+    Library for read metrics from GWL Power, GridFree SUN-2000G inverter <https://shop.gwl.eu/GridFree-Inverters/GridFree-AC-Inverter-with-limiter-2kW-SUN-2000G-45-90V.html>.
+
+    This file is part of OpenMQTTGateway.
+
+    OpenMQTTGateway is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    OpenMQTTGateway is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+#ifndef config_GFSunInverter_h
+#define config_GFSunInverter_h
+
+#include <Arduino.h>
+#include <ArduinoJson.h>
+#include <GfSun2000.h>
+
+extern void setupGFSunInverter();
+extern void ZgatewayGFSunInverterMQTT();
+
+/*----------------------------USER PARAMETERS-----------------------------*/
+/*-------------DEFINE YOUR MQTT PARAMETERS BELOW----------------*/
+#define subjectRFtoMQTT "/GFSuntoMQTT"
+#ifndef GFSUNINVERTER_DELAY
+#  define GFSUNINVERTER_DELAY 10000
+#endif
+
+// Enable to publish a whole dbus registry
+// #define GFSUNINVERTER_DEVEL 1
+
+#endif