Method: OpenC3::Telemetry#identify

Defined in:
lib/openc3/packets/telemetry.rb

#identify(packet_data, target_names = nil) ⇒ Packet

Finds a packet from the Current Value Table that matches the given data and returns it. Does not fill the packets buffer. Use identify! to update the CVT.



280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
 
# File 'lib/openc3/packets/telemetry.rb', line 280

def identify(packet_data, target_names = nil)
  target_names = target_names() unless target_names

  target_names.each do |target_name|
    target_name = target_name.to_s.upcase

    target_packets = nil
    begin
      target_packets = packets(target_name)
      # puts target_packets.length
    rescue RuntimeError
      # No telemetry for this target
      next
    end

    target = System.targets[target_name]
    if target and target.tlm_unique_id_mode
      # Iterate through the packets and see if any represent the buffer
      target_packets.each do |packet_name, packet|
        return packet if packet.identify?(packet_data)
      end
    else
      # Do a hash lookup to quickly identify the packet
      if target_packets.length > 0
        packet = target_packets.first[1]
        key = packet.read_id_values(packet_data)
        hash = @config.tlm_id_value_hash[target_name]
        identified_packet = hash[key]
        identified_packet = hash['CATCHALL'.freeze] unless identified_packet
        return identified_packet if identified_packet
      end
    end
  end

  return nil
end