pub fn rosflight_c_gnss_timestamp(
pps_timestamp_us: u64,
completion_timestamp_us: u64,
utc_nanos: i32,
time_and_fix_valid: bool,
) -> u64Expand description
Match ROSflight C’s GNSS validity timestamp: use the receiver’s signed UTC fractional second relative to the latest PPS edge, or estimate measurement time as 22 ms before packet completion when PPS/time validity is unavailable.