Reconnect sensors after restart HA



  • I'm trying to add a DHT and Dallas Temperature sensor to HA, but after restarting HA, they won't update their values anymore.

    I'm using the MQTT gateway, with mysensors version 2.0.0 (both the sensors and the gateway). After the initial start, the persistence file gets created by HA and the sensors are added to the HA user interface perfectly. They are also updated every minute. However, after a restart of HA, the values are not updated anymore and they stay on the last temperature/humidity that was recorded before the restart. Also a restart of the sensors did not solve this.

    The serial log of the sensor looks fine (to me).

    Starting sensor (RNNNA-, 2.0.0)
    TSM:INIT
    TSM:RADIO:OK
    TSP:ASSIGNID:OK (ID=1)
    TSM:FPAR
    TSP:MSG:SEND 1-1-255-255 s=255,c=3,t=7,pt=0,l=0,sg=0,ft=0,st=bc:
    TSM:FPAR
    TSP:MSG:SEND 1-1-255-255 s=255,c=3,t=7,pt=0,l=0,sg=0,ft=0,st=bc:
    TSP:MSG:READ 0-0-1 s=255,c=3,t=8,pt=1,l=1,sg=0:0
    TSP:MSG:FPAR RES (ID=0, dist=0)
    TSP:MSG:PAR OK (ID=0, dist=1)
    TSM:FPAR:OK
    TSM:ID
    TSM:CHKID:OK (ID=1)
    TSM:UPL
    TSP:PING:SEND (dest=0)
    TSP:MSG:SEND 1-1-0-0 s=255,c=3,t=24,pt=1,l=1,sg=0,ft=0,st=ok:1
    TSP:MSG:READ 0-0-1 s=255,c=3,t=25,pt=1,l=1,sg=0:1
    TSP:MSG:PONG RECV (hops=1)
    TSP:CHKUPL:OK
    TSM:UPL:OK
    TSM:READY
    TSP:MSG:SEND 1-1-0-0 s=255,c=3,t=15,pt=6,l=2,sg=0,ft=0,st=ok:0100
    !TSP:MSG:SEND 1-1-0-0 s=255,c=0,t=17,pt=0,l=5,sg=0,ft=0,st=fail:2.0.0
    TSP:MSG:SEND 1-1-0-0 s=255,c=3,t=6,pt=1,l=1,sg=0,ft=1,st=ok:0
    TSP:MSG:SEND 1-1-0-0 s=255,c=3,t=11,pt=0,l=18,sg=0,ft=0,st=ok:Temperature Sensor
    TSP:MSG:SEND 1-1-0-0 s=255,c=3,t=12,pt=0,l=3,sg=0,ft=0,st=ok:1.1
    TSP:MSG:SEND 1-1-0-0 s=0,c=0,t=6,pt=0,l=0,sg=0,ft=0,st=ok:
    TSP:MSG:SEND 1-1-0-0 s=1,c=0,t=6,pt=0,l=0,sg=0,ft=0,st=ok:
    Request registration...
    TSP:MSG:SEND 1-1-0-0 s=255,c=3,t=26,pt=1,l=1,sg=0,ft=0,st=ok:2
    TSP:MSG:READ 0-0-1 s=255,c=3,t=27,pt=1,l=1,sg=0:1
    Node registration=1
    Init complete, id=1, parent=0, distance=1, registration=1
    TSP:MSG:SEND 1-1-0-0 s=0,c=1,t=0,pt=7,l=5,sg=0,ft=0,st=ok:20.6
    TSP:MSG:SEND 1-1-0-0 s=1,c=1,t=0,pt=7,l=5,sg=0,ft=0,st=ok:19.8
    TSP:MSG:SEND 1-1-0-0 s=0,c=1,t=0,pt=7,l=5,sg=0,ft=0,st=ok:20.6
    TSP:MSG:SEND 1-1-0-0 s=1,c=1,t=0,pt=7,l=5,sg=0,ft=0,st=ok:19.8
    

    The log of HA is showing the following

    16-10-09 20:55:52 mysensors.mysensors: Setting up initial MQTT topic subscription
    16-10-09 20:55:52 homeassistant.components.mysensors: Update persistence: node 1
    16-10-09 20:55:55 mysensors.mysensors: Subscribing to: mygateway1-out/+/+/0/+/+
    16-10-09 20:55:55 homeassistant.components.mysensors: Adding new devices: <Entity Temperature Sensor 1 0: None>
    16-10-09 20:55:55 mysensors.mysensors: Subscribing to: mygateway1-out/+/+/3/+/+
    16-10-09 20:55:55 homeassistant.components.mysensors: Temperature Sensor 1 0: value_type 0, value = 20.8
    16-10-09 20:55:55 homeassistant.components.mysensors: Adding new devices: <Entity Temperature Sensor 1 1: None>
    16-10-09 20:55:55 homeassistant.components.mysensors: Temperature Sensor 1 1: value_type 0, value = 19.8
    16-10-09 20:55:55 homeassistant.components.mysensors: Update persistence: node 2
    16-10-09 20:55:55 homeassistant.components.mysensors: Adding new devices: <Entity TemperatureAndHumidity 2 2: None>
    16-10-09 20:55:55 homeassistant.components.mysensors: TemperatureAndHumidity 2 2: value_type 1, value = 47.5
    16-10-09 20:55:55 homeassistant.components.mysensors: Adding new devices: <Entity TemperatureAndHumidity 2 3: None>
    16-10-09 20:55:55 homeassistant.components.mysensors: TemperatureAndHumidity 2 3: value_type 0, value = 20.3
    16-10-09 21:02:48 mysensors.mysensors: Receiving 1;255;3;0;6;0
    16-10-09 21:02:48 mysensors.mysensors: Publishing 1;255;3;0;6;M
    
    16-10-09 21:02:50 mysensors.mysensors: Receiving 1;255;3;0;11;Temperature Sensor
    16-10-09 21:02:50 mysensors.mysensors: Receiving 1;255;3;0;12;1.1
    16-10-09 21:02:50 mysensors.mysensors: Receiving 1;0;0;0;6;
    16-10-09 21:02:50 homeassistant.components.mysensors: Update sensor_update: node 1
    16-10-09 21:02:50 homeassistant.components.mysensors: Temperature Sensor 1 0: value_type 0, value = 20.8
    16-10-09 21:02:50 homeassistant.components.mysensors: Temperature Sensor 1 1: value_type 0, value = 19.8
    16-10-09 21:02:50 homeassistant.components.mysensors: Update sensor_update: node 1
    16-10-09 21:02:50 homeassistant.components.mysensors: Temperature Sensor 1 0: value_type 0, value = 20.8
    16-10-09 21:02:50 homeassistant.components.mysensors: Temperature Sensor 1 1: value_type 0, value = 19.8
    16-10-09 21:02:51 mysensors.mysensors: child_id 0 already exists in children of node 1, cannot add child
    16-10-09 21:02:51 homeassistant.components.mysensors: Update sensor_update: node 1
    16-10-09 21:02:51 homeassistant.components.mysensors: Temperature Sensor 1 0: value_type 0, value = 20.8
    16-10-09 21:02:51 homeassistant.components.mysensors: Temperature Sensor 1 1: value_type 0, value = 19.8
    16-10-09 21:02:51 mysensors.mysensors: Receiving 1;1;0;0;6;
    16-10-09 21:02:51 mysensors.mysensors: child_id 1 already exists in children of node 1, cannot add child
    16-10-09 21:02:51 homeassistant.components.mysensors: Update sensor_update: node 1
    16-10-09 21:02:51 homeassistant.components.mysensors: Temperature Sensor 1 0: value_type 0, value = 20.8
    16-10-09 21:02:51 homeassistant.components.mysensors: Temperature Sensor 1 1: value_type 0, value = 19.8
    

    These temperatures are the ones which were recorded before restarting HA (and are in the persistence file). But after this, nothing happens anymore.

    I don't know where to look further, to solve this.


  • Plugin Developer

    This is a known bug for pymysensors mqtt gateway with persistence. Fixed in dev branch. Fix will probably be included in the next release of home assistant.

    https://github.com/theolind/pymysensors/issues/70



  • Thanks, That explains things. I'll wait till the update of HA.

    Thanks again!



  • I've updated HomeAssistant to 31.1 and can conform that it works again, as it should. Pymysensors is being updated to 0.80 by updating HomeAssistant. After a restart of HomeAssistant it updates the values of my sensors. Thanks.


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