change calling

examples/solar-monitoring.py

@@ -38,22 +38,37 @@ topic_car_soc = "openWB/vehicle/4/get/soc"
 topic_charge_point_power = "openWB/internal_chargepoint/0/get/powers"
 
 
-try:
+def connect_mqtt():
-    # create the MQTT client
+    def on_connect(client, userdata, flags, rc):
-    client = mqtt_client.Client(client_id, protocol=mqtt_client.MQTTv31)  # * set a random string (max 23 chars)
+        if rc == 0:
+            logging.info("Connected to MQTT Broker!")
+        else:
+            logging.info("Failed to connect, return code %d\n", rc)
 
-    # client connection
+    client = mqtt_client.Client(client_id)
-    # client.username_pw_set(mqtt_username, mqtt_password)  # MQTT server credentials
+    # client.username_pw_set(username, password)
-    client.connect(mqtt_broker, 1883, 60)  # MQTT server address
+    client.on_connect = on_connect
+    client.connect(broker, port)
+    return client
 
-    house_battery_soc = client.subscribe(topic_house_battery_soc)
-    house_battery_power = client.subscribe(topic_house_battery_power)
-    power_import_export = client.subscribe(topic_power_import_export)
-    pv_power = client.subscribe(topic_pv_power)
-    house_power = client.subscribe(topic_house_power)
-    car_soc = client.subscribe(topic_car_soc)
-    charge_point_power = client.subscribe(topic_charge_point_power)
 
+def subscribe(client: mqtt_client, topic):
+    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()
+    house_battery_soc = subscribe(topic_house_battery_soc)
+    house_battery_power = subscribe(topic_house_battery_power)
+    power_import_export = subscribe(topic_power_import_export)
+    pv_power = subscribe(topic_pv_power)
+    house_power = subscribe(topic_house_power)
+    car_soc = subscribe(topic_car_soc)
+    charge_point_power = subscribe(topic_charge_point_power)
 
     logging.info("epd2in13b_V3 Demo")
     
@@ -89,11 +104,18 @@ try:
     
     logging.info("Goto Sleep...")
     epd.sleep()
+
+    client.loop_forever()
+
+
+if __name__ == '__main__':
+    run()
+
         
-except IOError as e:
+#except IOError as e:
-    logging.info(e)
+#    logging.info(e)
     
-except KeyboardInterrupt:    
+#except KeyboardInterrupt:    
-    logging.info("ctrl + c:")
+#    logging.info("ctrl + c:")
-    epd2in13b_V3.epdconfig.module_exit()
+#    epd2in13b_V3.epdconfig.module_exit()
-    exit()
+#    exit()