Time

Description
Parameter Name	Data Type	Description
timebase	u8 enum	Timebase reference, e.g. internal, external, GPS, UTC, etc. Name Value Description INTERNAL_REFERENCE 1 Timestamp provided is with respect to internal clock. EXTERNAL_TIME 2 Timestamp provided is with respect to external clock, synced by PPS source. TIME_OF_ARRIVAL 3 Timestamp provided is a fixed latency relative to time of message arrival.
reserved	u8	Reserved, set to 0x01.
nanoseconds	u64	Nanoseconds since the timebase epoch.