From d14c100a2f59bd0c4ed97d42f4782c50992f6db0 Mon Sep 17 00:00:00 2001
From: Robert Borzutzki <robert.borzutzki@de.bosch.com>
Date: Tue, 18 Oct 2022 22:38:02 +0200
Subject: [PATCH] mqtt

---
 examples/mqtt.py | 54 ++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 54 insertions(+)
 create mode 100644 examples/mqtt.py

diff --git a/examples/mqtt.py b/examples/mqtt.py
new file mode 100644
index 0000000..88a55e4
--- /dev/null
+++ b/examples/mqtt.py
@@ -0,0 +1,54 @@
+#!/usr/bin/python
+# -*- coding:utf-8 -*-
+import sys
+import os
+picdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'pic')
+libdir = os.path.join(os.path.dirname(os.path.dirname(os.path.realpath(__file__))), 'lib')
+if os.path.exists(libdir):
+    sys.path.append(libdir)
+
+import logging
+from waveshare_epd import epd2in13bc
+import time
+from PIL import Image,ImageDraw,ImageFont
+import traceback
+from paho.mqtt import client as mqtt_client
+
+logging.basicConfig(level=logging.DEBUG)
+
+broker = 'homeassistant'
+port = 8883
+topic = "openWB/evu/W"
+username = "mqtt-user"
+password = "phio6yiR9ohs1veeghu4WaeGhaiRi8he4EiWasheev4faeku8tohdiuthah7zahP"
+client_id = "solarmonitor"
+
+def connect_mqtt() -> mqtt_client:
+    def on_connect(client, userdata, flags, rc):
+        if rc == 0:
+            print("Connected to MQTT Broker!")
+        else:
+            print("Failed to connect, return code %d\n", rc)
+
+    client = mqtt_client.Client(client_id)
+    client.username_pw_set(username, password)
+    client.on_connect = on_connect
+    client.connect(broker, port)
+    return client
+
+def subscribe(client: mqtt_client):
+    def on_message(client, userdata, msg):
+        print(f"Received `{msg.payload.decode()}` from `{msg.topic}` topic")
+
+    client.subscribe(topic)
+    client.on_message = on_message
+
+
+def run():
+    client = connect_mqtt()
+    subscribe(client)
+    client.loop_forever()
+
+
+if __name__ == '__main__':
+    run()