added timeout on startup

CHANGELOG.md

@@ -1,5 +1,8 @@
 # Changelog
 
+## v1.0.7
+* Added: Timeout on driver startup. Prevents problems, if the MQTT broker is not reachable on driver startup
+
 ## v1.0.6
 * Added: Show to which broker and port the connection was made when logging is set to INFO
 * Added: Try to reconnect every 15 seconds to MQTT broker, if connection is closed abnormally

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 battery in Venus OS. It gets the MQTT data from a subscribed topic and publishes the information on the dbus as the service `com.victronenergy.battery.mqtt_battery` with the VRM instance `41`.
@@ -255,10 +262,3 @@ It was tested on following devices:
 ![MQTT Battery - device list - mqtt battery](/screenshots/battery_device_list_mqtt-battery_12.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-battery/dbus-mqtt-battery.py

@@ -490,7 +490,7 @@ 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', '1.0.6 (20230518)')
+        self._dbusservice.add_path('/FirmwareVersion', '1.0.7 (20231218)')
         # self._dbusservice.add_path('/HardwareVersion', '')
         self._dbusservice.add_path('/Connected', 1)
 
@@ -595,6 +595,15 @@ def main():
             logging.info("Waiting 5 seconds for receiving first data...")
         else:
             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
 

dbus-mqtt-battery/installqml.sh

@@ -1,5 +1,6 @@
 #!/bin/bash
-set -x
+# set -x
+
 SCRIPT_DIR=$( cd -- "$( dirname -- "${BASH_SOURCE[0]}" )" &> /dev/null && pwd )
 
 # elaborate version string for better comparing