Settings for the MQTT driver.
[mqtt] certPath
- Type
- string
- Default
- cert
Relative path of the certificate store under <project>/data/mqtt/.
[mqtt] delta
- Type
- ushort
- Default
- 5
- Unit
- milliseconds
Time delta to suppress duplicates from redundant connection.
[mqtt] jsonProfileStatus
- Type
- ushort
- Default
- 0 (not used)
- Range
- 0..1
Defines whether the driver subscribes to all 32 user bits. Required if the JSON profile
incl. status is used. By default, no user bits are subscribed to.
[mqtt] jsonTimeFormat
- Type
- ushort
- Default
- 0
- Range
- 0..1
Format of timestamp from JSON profile. 0 = ISO 8601, 1 = milliseconds since 1970
[mqtt] onlyActiveSubscribes
- Type
- bool
- Default
- 0
- Range
- 0|1
Only the active driver in a redundant system subscribes to topics.
[mqtt] pollCount
- Type
- unsigned integer
- Default
- 32
- Range
- >0
Defines the number of data points that can be polled at once. If several polling requests
are queued they will be processed in the next driver cycle.
[mqtt] reduClientIdPostfix
- Type
- string
- Default
- _2
If the MQTT client id for a broker connection is explicitely defined, this posfix is
appended on the second host in a redundant system. This is required because typically two
client cannot connect to a broker with the same client id.
[mqtt] statisticsRefreshTime
- Type
- ushort
- Default
- 60
- Unit
- seconds
Refresh interval (in seconds) for the statistics on the internal data points.
[mqtt] userBitQoS1
- Type
- ushort
- Default
- 0 (not used)
- Range
- 1..16
User bit for the first QoS bit. No user bit is used by default.
[mqtt] userBitQoS2
- Type
- ushort
- Default
- 0 (not used)
- Range
- 1..16
User bit for the second QoS bit. No user bit is used by default.
[mqtt] userBitRetain
- Type
- ushort
- Default
- 0 (not used)
- Range
- 1..16
User bit for the retain flag. No user bit is used by default.
