| ThingsboardApi_getTelemetry {Rthingsboard} | R Documentation |
Fetch telemetry
Description
Fetch telemetry data of an entity.
It uses the following API: https://thingsboard.io/docs/user-guide/telemetry/#get-telemetry-values
The method getValues has a strong limitation as the 'ThingsBoard' API only send the
100 last values of each key. The method getTelemetry overcomes this limitation by
automatically by calling getValues in a loop.
Arguments
entityId |
A character with the entity ID given (See https://thingsboard.io/docs/user-guide/entity-views/) |
keys |
Vector of character with the list of keys from which getting the telemetry values |
entityType |
A character (default "DEVICE") |
startTs |
A numeric or a POSIXct representing respectively the epoch or the date of the start of data extraction period |
endTs |
A numeric or a POSIXct representing respectively the epoch or the date of the end of data extraction period |
Value
A data.frame with one row per data and 3 columns:
-
key: a character with the key -
ts: a POSIXct with the timestamp of the data -
value: a numeric with the value of the data