Function SysoffFromPrecise

phc/offset.go:64–74

SysoffFromPrecise returns SysoffResult from *PTPSysOffsetPrecise . Code based on sysoff_precise from ptp4l sysoff.c

(pre *PTPSysOffsetPrecise)

// SysoffFromPrecise returns SysoffResult from *PTPSysOffsetPrecise . Code based on sysoff_precise from ptp4l sysoff.c
func SysoffFromPrecise(pre *PTPSysOffsetPrecise) SysoffResult {
	tp := time.Unix(pre.Device.Sec, int64(pre.Device.Nsec))
	tr := time.Unix(pre.Monoraw.Sec, int64(pre.Monoraw.Nsec))
	return SysoffResult{
		SysTime:    tr,
		SysClockID: unix.CLOCK_MONOTONIC_RAW,
		PHCTime:    tp,
		Delay:      0, // They are measured at the same time
		Offset:     tr.Sub(tp),
	}
}

// SysoffEstimateBasic logic based on calculate_offset from ptp4l phc_ctl.c
func SysoffEstimateBasic(ts1, rt, ts2 time.Time) SysoffResult {