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PVM basics
The concepts and syntax of the flespi protocol parsing engine.
pvm
How to script custom parsing logic for message payload?
Using plugins with PVM code to instruct how to parse payload in the device messages.
messages
plugins
pvm
How to parse a string parameter as JSON with a PVM plugin?
Example of using a plugin with PVM code to extract string parameters from GPS tracker message and save them as a part of flespi device message JSON.
messages
plugins
pvm
How to split HEX string parameter into bits with a PVM code plugin?
Extracting specific bits of a HEX string and converting into integer.
messages
plugins
pvm
How to parse position information from GPGGA NMEA sentence with a PVM plugin?
Configuring custom parsing for NMEA-formatted GPS data to convert it into JSON message with standardized parameters.
messages
plugins
pvm
How to split BLE data into plain parameters with a PVM plugin?
Getting plain parameters’ values from array-structured ‘ble.beacons’ parameters
messages
plugins
pvm
How to sort ble.beacons by signal strength?
Sort objects in ble.beacons array according to the field rssi from highest to lowest
messages
plugins
pvm