# # Global time synchronization. # Any node that publishes timestamped data must use this time reference. # # Please refer to the specification to learn about the synchronization algorithm. # # # Broadcasting period must be within this range. # uint16 MAX_BROADCASTING_PERIOD_MS = 1100 # Milliseconds uint16 MIN_BROADCASTING_PERIOD_MS = 40 # Milliseconds # # Synchronization slaves may switch to a new source if the current master was silent for this amount of time. # uint16 RECOMMENDED_BROADCASTER_TIMEOUT_MS = 2200 # Milliseconds # # Time in microseconds when the PREVIOUS GlobalTimeSync message was transmitted. # If this message is the first one, this field must be zero. # truncated uint56 previous_transmission_timestamp_usec # Microseconds