added timeout on startup

CHANGELOG.md

@@ -1,4 +1,7 @@
 # Changelog
 
+## v0.0.2
+* Added: Timeout on driver startup. Prevents problems, if the MQTT broker is not reachable on driver startup
+
 ## v0.0.1
 Initial release

README.md

@@ -7,6 +7,13 @@
 I wrote this script for myself. I'm not responsible, if you damage something using my script.
 
 
+## Supporting/Sponsoring this project
+
+You like the project and you want to support me?
+
+[<img src="https://github.md0.eu/uploads/donate-button.svg" height="50">](https://www.paypal.com/donate/?hosted_button_id=3NEVZBDM5KABW)
+
+
 ### Purpose
 
 The script emulates a temperature sensor in Venus OS. It gets the MQTT data from a subscribed topic and publishes the information on the dbus as the service `com.victronenergy.temperature.mqtt_temperature` with the VRM instance `100`.
@@ -116,10 +123,3 @@ It was tested on Venus OS Large `v2.92` on the following devices:
 ![Temperature - pages](/screenshots/temperature_pages_guimods.png)
 
 </details>
-
-
-## Supporting/Sponsoring this project
-
-You like the project and you want to support me?
-
-[<img src="https://github.md0.eu/uploads/donate-button.svg" height="50">](https://www.paypal.com/donate/?hosted_button_id=3NEVZBDM5KABW)

dbus-mqtt-temperature/dbus-mqtt-temperature.py

@@ -200,7 +200,7 @@ def __init__(
         self._dbusservice.add_path("/ProductId", 0xFFFF)
         self._dbusservice.add_path("/ProductName", productname)
         self._dbusservice.add_path("/CustomName", customname)
-        self._dbusservice.add_path("/FirmwareVersion", "0.0.1 (20230721)")
+        self._dbusservice.add_path("/FirmwareVersion", "0.0.2 (20231218)")
         # self._dbusservice.add_path('/HardwareVersion', '')
         self._dbusservice.add_path("/Connected", 1)
 
@@ -338,6 +338,15 @@ def main():
             logging.warning(
                 "Waiting since %s seconds for receiving first data..." % str(i * 5)
             )
+
+        # check if timeout was exceeded
+        if timeout <= (i * 5):
+            logging.error(
+                "Driver stopped. Timeout of %i seconds exceeded, since no new MQTT message was received in this time."
+                % timeout
+            )
+            sys.exit()
+
         sleep(5)
         i += 1