I just saw evidence from the mosquitto_sub command, that the BMP280 MQTT
data is making it into the mosquitto broker!
More progress!
I'm still not sure what the Topic and Full Topic fields should be in that
Tasmota MQTT config screen.
weewx@Ubuntu20-WEEWX:~$ mosquitto_sub -h 192.168.7.22 -p 1883 -t
sensors/BMP280/SENSOR -d
Client mosq-57pl5MGgj73xs69ThZ sending CONNECT
Client mosq-57pl5MGgj73xs69ThZ received CONNACK (0)
Client mosq-57pl5MGgj73xs69ThZ sending SUBSCRIBE (Mid: 1, Topic:
sensors/BMP280/SENSOR, QoS: 0, Options: 0x00)
Client mosq-57pl5MGgj73xs69ThZ received SUBACK
Subscribed (mid: 1): 0
Client mosq-57pl5MGgj73xs69ThZ sending PINGREQ
Client mosq-57pl5MGgj73xs69ThZ received PINGRESP
Client mosq-57pl5MGgj73xs69ThZ sending PINGREQ
Client mosq-57pl5MGgj73xs69ThZ received PINGRESP
Client mosq-57pl5MGgj73xs69ThZ sending PINGREQ
Client mosq-57pl5MGgj73xs69ThZ received PINGRESP
*Client mosq-57pl5MGgj73xs69ThZ received PUBLISH (d0, q0, r0, m0,
'sensors/BMP280/SENSOR', ... (113 bytes))*
*{"Time":"2021-05-12T22:44:28","BMP280":{"Temperature":22.0,"Pressure":990.9},"PressureUnit":"hPa","TempUnit":"C"}*
On Wednesday, May 12, 2021 at 10:32:15 PM UTC-5 Eric Koester wrote:
> Here's what I've got in my weewx.conf file thus far.
> Does this look close to correct, when you compare it to the MQTT message
> from the Tasmota log?
>
>
> 21:54:27.154 MQT: sensors/BMP280/SENSOR =
> {"Time":"2021-05-12T21:54:27","BMP280":{"Temperature":22.0,"Pressure":990.8},"PressureUnit":"hPa","TempUnit":"C"}
>
>
> ############################################################################
> # Options for 'MQTTSubscribeService'
> [MQTTSubscribeService]
> # This section is for the MQTTSubscribe service.
>
> # Turn the service on and off.
> # Default is: true
> # Only used by the service.
> enable = false
>
> # The MQTT server.
> # Default is localhost.
> host = localhost
>
> # The port to connect to.
> # Default is 1883.
> port = 1883
>
> # Maximum period in seconds allowed between communications with the
> broker.
> # Default is 60.
> keepalive = 60
>
> # username for broker authentication.
> # Default is None.
> username = None
>
> # password for broker authentication.
> # Default is None.
> password = None
>
> # The binding, loop or archive.
> # Default is: loop
> # Only used by the service.
> binding = loop
>
> # The message handler to use
> [[message_callback]]
> # The format of the MQTT payload.
> # Currently support: individual, json, keyword
> # Must be specified.
> type = json
>
> # When the json is nested, the delimiter between the hierarchies.
> # Default is _.
> flatten_delimiter = "_"
>
> # The topics to subscribe to.
> [[topics]]
> # Units for MQTT payloads without unit value.
> # Valid values: US, METRIC, METRICWX
> # Default is: US
> unit_system = METRIC
>
> [[[first/topic]]]
> # The incoming field name from MQTT.
> [[[[Time]]]]
> # left side is the name from MQTT.
> # right side is the WeeWX name.
> Time = dateTime
>
> [[[second/topic]]]
> # The incoming field name from MQTT.
> [[[[BME280_Temperature]]]]
> # left side is the name from MQTT.
> # right side is the WeeWX name.
> Temperature = extraTemp1
>
> [[[[BME280_Pressure]]]]
> # left side is the name from MQTT.
> # right side is the WeeWX name.
> Pressure = barometer
>
> [[[third/topic]]]
> # The incoming field name from MQTT.
> [[[[PressureUnit]]]]
> # left side is the name from MQTT.
> # right side is the WeeWX name.
> PressureUnit = ??
>
> [[[fourth/topic]]]
> # The incoming field name from MQTT.
> [[[[TemperatureUnit]]]]
> # left side is the name from MQTT.
> # right side is the WeeWX name.
> TempUnit = ??
>
> On Wednesday, May 12, 2021 at 10:05:22 PM UTC-5 Eric Koester wrote:
>
>> Maybe this line from the Tasmota Console (log) is a clue?
>>
>> 21:54:27.154 MQT: sensors/BMP280/SENSOR =
>> {"Time":"2021-05-12T21:54:27","BMP280":{"Temperature":22.0,"Pressure":990.8},"PressureUnit":"hPa","TempUnit":"C"}
>>
>> On Wed, May 12, 2021 at 9:54 PM Eric Koester <[email protected]> wrote:
>>
>>> I've got a BMP280 sensor (only 2 internal sensors) connected to an
>>> ESP-12F module, running Tasmota firmware.
>>> The example I'm following is a BME280 which has 3 internal sensors.
>>> https://tasmota.github.io/docs/BME280/
>>> Rich Bell mentioned that the BME280 (and BMP280) data is json and nested
>>> and that the data would come through as BMP280_Temperature, BMP280_Pressure.
>>> [image: Tasmota_Main-screen_BMP280.jpg]
>>>
>>> I roughly configured the MQTT settings in Tasmota and you can see it's
>>> made connection with the mosquitto broker.
>>> section of /var/log/mosquitto/mosquitto.log file:
>>> *1620871934: New connection from 192.168.7.132 on port 1883.*
>>> *1620871934: New client connected from 192.168.7.132 as ESP-12F_1 (p2,
>>> c1, k30, u'ESP-12F_USER').*
>>> *1620872759: Saving in-memory database to
>>> /var/lib/mosquitto/mosquitto.db.*
>>>
>>> I'm not clear what I should set the Topic and Full Topic fields to in
>>> the Tasmota MQTT screen.
>>>
>>> [image: Tasmota_MQTT-settings_1.jpg]
>>>
>>>
>>> On Wednesday, May 12, 2021 at 6:24:46 PM UTC-5 Eric Koester wrote:
>>>
>>>> For those following along, I discovered that the mosquitto_pub &
>>>> mosquitto_sub clients were automatically installed when I installed
>>>> mosquitto into Ubuntu. Here was the tip-off:
>>>> *weewx@Ubuntu20-WEEWX:~$ sudo apt install mosquitto-clients*
>>>> *Reading package lists... Done*
>>>> *Building dependency tree *
>>>> *Reading state information... Done*
>>>> *mosquitto-clients is already the newest version (1.6.12-1).*
>>>> *0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.*
>>>>
>>>> I found some Youtube videos by Steve Cope which show examples of using
>>>> the commands.
>>>> https://youtu.be/J4pqv9__uzE
>>>>
>>>> He mentions using the debug switch (-d) so you can see that the
>>>> commands are doing something - very useful!
>>>>
>>>> Running mosquitto_pub in one terminal window and mosquitto_sub in
>>>> another is showing feedback of success!
>>>>
>>>> *weewx@Ubuntu20-WEEWX:~$ mosquitto_pub -h 192.168.7.22 -p 1883 -t
>>>> sensors/temperature -m "1266193804 32" -d*
>>>> *Client mosq-6o6U1MqsMVovfxfZta sending CONNECT*
>>>> *Client mosq-6o6U1MqsMVovfxfZta received CONNACK (0)*
>>>> *Client mosq-6o6U1MqsMVovfxfZta sending PUBLISH (d0, q0, r0, m1,
>>>> 'sensors/temperature', ... (13 bytes))*
>>>> *Client mosq-6o6U1MqsMVovfxfZta sending DISCONNECT*
>>>>
>>>> *weewx@Ubuntu20-WEEWX:/etc/mosquitto$ mosquitto_sub -h 192.168.7.22 -p
>>>> 1883 -t sensors/temperature -d*
>>>> *Client mosq-VJoHFtTvE0io4OBXfe sending CONNECT*
>>>> *Client mosq-VJoHFtTvE0io4OBXfe received CONNACK (0)*
>>>> *Client mosq-VJoHFtTvE0io4OBXfe sending SUBSCRIBE (Mid: 1, Topic:
>>>> sensors/temperature, QoS: 0, Options: 0x00)*
>>>> *Client mosq-VJoHFtTvE0io4OBXfe received SUBACK*
>>>> *Subscribed (mid: 1): 0*
>>>> *Client mosq-VJoHFtTvE0io4OBXfe received PUBLISH (d0, q0, r0, m0,
>>>> 'sensors/temperature', ... (13 bytes))*
>>>> *1266193804 32*
>>>> *Client mosq-VJoHFtTvE0io4OBXfe sending PINGREQ*
>>>> *Client mosq-VJoHFtTvE0io4OBXfe received PINGRESP*
>>>>
>>>
>
>> On Wednesday, May 12, 2021 at 3:20:05 PM UTC-5 [email protected] wrote:
>>>>
>>>>> As Greg said, make sure your MQTT infrastructure is up and running
>>>>> correctly. Since you installed your own broker, a first check is to use
>>>>> mosquitto_sub and mosquitto_pub to a test topic. Once that is working,
>>>>> use
>>>>> mosquitto_sub to subscribe to the broker and topic(s) that you want
>>>>> MQTTSubscribe to subscribe to. This will also provide you with the MQTT
>>>>> message. The actual message will be useful as you configure
>>>>> WeeWX/MQTTSubscribe.
>>>>>
>>>>> Next read https://github.com/bellrichm/WeeWX-MQTTSubscribe/wiki. This
>>>>> will outline the install steps and point you to
>>>>> https://github.com/bellrichm/WeeWX-MQTTSubscribe/wiki/Configuring,
>>>>> which has the information on configuring WeeWX/MQTTSubscribe. This page
>>>>> will also provide you with links to configuration examples by payload
>>>>> ‘type’.
>>>>> rich
>>>>>
>>>>
>>>
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