Example usage for android.location GnssClock getTimeNanos

Introduction

In this page you can find the example usage for android.location GnssClock getTimeNanos.

Prototype

public long getTimeNanos() 

Source Link

Document

Gets the GNSS receiver internal hardware clock value in nanoseconds.

Usage

From source file:com.google.android.apps.location.gps.gnsslogger.FileLogger.java

private void writeGnssMeasurementToFile(GnssClock clock, GnssMeasurement measurement) throws IOException {
    String clockStream = String.format("Raw,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s", SystemClock.elapsedRealtime(),
            clock.getTimeNanos(), clock.hasLeapSecond() ? clock.getLeapSecond() : "",
            clock.hasTimeUncertaintyNanos() ? clock.getTimeUncertaintyNanos() : "", clock.getFullBiasNanos(),
            clock.hasBiasNanos() ? clock.getBiasNanos() : "",
            clock.hasBiasUncertaintyNanos() ? clock.getBiasUncertaintyNanos() : "",
            clock.hasDriftNanosPerSecond() ? clock.getDriftNanosPerSecond() : "",
            clock.hasDriftUncertaintyNanosPerSecond() ? clock.getDriftUncertaintyNanosPerSecond() : "",
            clock.getHardwareClockDiscontinuityCount() + ",");
    mFileWriter.write(clockStream);// w  w w.ja va 2 s.c  o  m

    String measurementStream = String.format("%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s,%s",
            measurement.getSvid(), measurement.getTimeOffsetNanos(), measurement.getState(),
            measurement.getReceivedSvTimeNanos(), measurement.getReceivedSvTimeUncertaintyNanos(),
            measurement.getCn0DbHz(), measurement.getPseudorangeRateMetersPerSecond(),
            measurement.getPseudorangeRateUncertaintyMetersPerSecond(),
            measurement.getAccumulatedDeltaRangeState(), measurement.getAccumulatedDeltaRangeMeters(),
            measurement.getAccumulatedDeltaRangeUncertaintyMeters(),
            measurement.hasCarrierFrequencyHz() ? measurement.getCarrierFrequencyHz() : "",
            measurement.hasCarrierCycles() ? measurement.getCarrierCycles() : "",
            measurement.hasCarrierPhase() ? measurement.getCarrierPhase() : "",
            measurement.hasCarrierPhaseUncertainty() ? measurement.getCarrierPhaseUncertainty() : "",
            measurement.getMultipathIndicator(), measurement.hasSnrInDb() ? measurement.getSnrInDb() : "",
            measurement.getConstellationType(),
            Build.VERSION.SDK_INT >= Build.VERSION_CODES.O && measurement.hasAutomaticGainControlLevelDb()
                    ? measurement.getAutomaticGainControlLevelDb()
                    : "",
            measurement.hasCarrierFrequencyHz() ? measurement.getCarrierFrequencyHz() : "");
    mFileWriter.write(measurementStream);
    mFileWriter.newLine();
}

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