Publish mqtt message with retained flag
lhvo opened this issue · comments
To avoid requesting the status of the devices after the reconnections, it would be great if messages are posted to MQTT with retained flag.
Have a look at the first section of the MQTT ADVANCED PARAMETERS, and in your case you'd likely want to set sensor_Retain to true
https://github.com/1technophile/OpenMQTTGateway/blob/development/main/User_config.h#L359-L380
Does it mean that we have to re-build with the #define or can we configure it dynamically during runtime ?
Yes, this will require a custom build with the #define, as not all, especially very rarely requested options like this one, can be included for runtime changeability to avoid bloating the code and settings JSON publishings.
Does sounds a lot more daunting than it is though when using the Visual Studio Code way
https://docs.platformio.org/en/latest/integration/ide/vscode.html#installation
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