android_device_xiaomi_sm8450-common/gps/android/2.1/location_api/LocationUtil.cpp

/* Copyright (c) 2017-2020, The Linux Foundation. All rights reserved.
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#include <LocationUtil.h>
#include <log_util.h>
#include <inttypes.h>
#include <loc_misc_utils.h>
#include <gps_extended_c.h>

namespace android {
namespace hardware {
namespace gnss {
namespace V2_1 {
namespace implementation {

using ::android::hardware::gnss::V2_0::GnssLocation;
using ::android::hardware::gnss::V2_0::ElapsedRealtimeFlags;
using ::android::hardware::gnss::V2_0::GnssConstellationType;
using ::android::hardware::gnss::V1_0::GnssLocationFlags;
using ::android::hardware::gnss::measurement_corrections::V1_0::GnssSingleSatCorrectionFlags;

void convertGnssLocation(Location& in, V1_0::GnssLocation& out)
{
    memset(&out, 0, sizeof(V1_0::GnssLocation));
    if (in.flags & LOCATION_HAS_LAT_LONG_BIT) {
        out.gnssLocationFlags |= GnssLocationFlags::HAS_LAT_LONG;
        out.latitudeDegrees = in.latitude;
        out.longitudeDegrees = in.longitude;
    }
    if (in.flags & LOCATION_HAS_ALTITUDE_BIT) {
        out.gnssLocationFlags |= GnssLocationFlags::HAS_ALTITUDE;
        out.altitudeMeters = in.altitude;
    }
    if (in.flags & LOCATION_HAS_SPEED_BIT) {
        out.gnssLocationFlags |= GnssLocationFlags::HAS_SPEED;
        out.speedMetersPerSec = in.speed;
    }
    if (in.flags & LOCATION_HAS_BEARING_BIT) {
        out.gnssLocationFlags |= GnssLocationFlags::HAS_BEARING;
        out.bearingDegrees = in.bearing;
    }
    if (in.flags & LOCATION_HAS_ACCURACY_BIT) {
        out.gnssLocationFlags |= GnssLocationFlags::HAS_HORIZONTAL_ACCURACY;
        out.horizontalAccuracyMeters = in.accuracy;
    }
    if (in.flags & LOCATION_HAS_VERTICAL_ACCURACY_BIT) {
        out.gnssLocationFlags |= GnssLocationFlags::HAS_VERTICAL_ACCURACY;
        out.verticalAccuracyMeters = in.verticalAccuracy;
    }
    if (in.flags & LOCATION_HAS_SPEED_ACCURACY_BIT) {
        out.gnssLocationFlags |= GnssLocationFlags::HAS_SPEED_ACCURACY;
        out.speedAccuracyMetersPerSecond = in.speedAccuracy;
    }
    if (in.flags & LOCATION_HAS_BEARING_ACCURACY_BIT) {
        out.gnssLocationFlags |= GnssLocationFlags::HAS_BEARING_ACCURACY;
        out.bearingAccuracyDegrees = in.bearingAccuracy;
    }

    out.timestamp = static_cast<V1_0::GnssUtcTime>(in.timestamp);
}

void convertGnssLocation(Location& in, V2_0::GnssLocation& out)
{
    memset(&out, 0, sizeof(V2_0::GnssLocation));
    convertGnssLocation(in, out.v1_0);

    if (in.flags & LOCATION_HAS_ELAPSED_REAL_TIME_BIT) {
        out.elapsedRealtime.flags |= ElapsedRealtimeFlags::HAS_TIMESTAMP_NS;
        out.elapsedRealtime.timestampNs = in.elapsedRealTime;
        out.elapsedRealtime.flags |= ElapsedRealtimeFlags::HAS_TIME_UNCERTAINTY_NS;
        out.elapsedRealtime.timeUncertaintyNs = in.elapsedRealTimeUnc;
        LOC_LOGd("out.elapsedRealtime.timestampNs=%" PRIi64 ""
                 " out.elapsedRealtime.timeUncertaintyNs=%" PRIi64 ""
                 " out.elapsedRealtime.flags=0x%X",
                 out.elapsedRealtime.timestampNs,
                 out.elapsedRealtime.timeUncertaintyNs, out.elapsedRealtime.flags);
    }
}

void convertGnssLocation(const V1_0::GnssLocation& in, Location& out)
{
    memset(&out, 0, sizeof(out));
    if (in.gnssLocationFlags & GnssLocationFlags::HAS_LAT_LONG) {
        out.flags |= LOCATION_HAS_LAT_LONG_BIT;
        out.latitude = in.latitudeDegrees;
        out.longitude = in.longitudeDegrees;
    }
    if (in.gnssLocationFlags & GnssLocationFlags::HAS_ALTITUDE) {
        out.flags |= LOCATION_HAS_ALTITUDE_BIT;
        out.altitude = in.altitudeMeters;
    }
    if (in.gnssLocationFlags & GnssLocationFlags::HAS_SPEED) {
        out.flags |= LOCATION_HAS_SPEED_BIT;
        out.speed = in.speedMetersPerSec;
    }
    if (in.gnssLocationFlags & GnssLocationFlags::HAS_BEARING) {
        out.flags |= LOCATION_HAS_BEARING_BIT;
        out.bearing = in.bearingDegrees;
    }
    if (in.gnssLocationFlags & GnssLocationFlags::HAS_HORIZONTAL_ACCURACY) {
        out.flags |= LOCATION_HAS_ACCURACY_BIT;
        out.accuracy = in.horizontalAccuracyMeters;
    }
    if (in.gnssLocationFlags & GnssLocationFlags::HAS_VERTICAL_ACCURACY) {
        out.flags |= LOCATION_HAS_VERTICAL_ACCURACY_BIT;
        out.verticalAccuracy = in.verticalAccuracyMeters;
    }
    if (in.gnssLocationFlags & GnssLocationFlags::HAS_SPEED_ACCURACY) {
        out.flags |= LOCATION_HAS_SPEED_ACCURACY_BIT;
        out.speedAccuracy = in.speedAccuracyMetersPerSecond;
    }
    if (in.gnssLocationFlags & GnssLocationFlags::HAS_BEARING_ACCURACY) {
        out.flags |= LOCATION_HAS_BEARING_ACCURACY_BIT;
        out.bearingAccuracy = in.bearingAccuracyDegrees;
    }

    out.timestamp = static_cast<uint64_t>(in.timestamp);
}

void convertGnssLocation(const V2_0::GnssLocation& in, Location& out)
{
    memset(&out, 0, sizeof(out));
    convertGnssLocation(in.v1_0, out);
}

void convertGnssConstellationType(GnssSvType& in, V1_0::GnssConstellationType& out)
{
    switch(in) {
        case GNSS_SV_TYPE_GPS:
            out = V1_0::GnssConstellationType::GPS;
            break;
        case GNSS_SV_TYPE_SBAS:
            out = V1_0::GnssConstellationType::SBAS;
            break;
        case GNSS_SV_TYPE_GLONASS:
            out = V1_0::GnssConstellationType::GLONASS;
            break;
        case GNSS_SV_TYPE_QZSS:
            out = V1_0::GnssConstellationType::QZSS;
            break;
        case GNSS_SV_TYPE_BEIDOU:
            out = V1_0::GnssConstellationType::BEIDOU;
            break;
        case GNSS_SV_TYPE_GALILEO:
            out = V1_0::GnssConstellationType::GALILEO;
            break;
        case GNSS_SV_TYPE_UNKNOWN:
        default:
            out = V1_0::GnssConstellationType::UNKNOWN;
            break;
    }
}

void convertGnssConstellationType(GnssSvType& in, V2_0::GnssConstellationType& out)
{
    switch(in) {
        case GNSS_SV_TYPE_GPS:
            out = V2_0::GnssConstellationType::GPS;
            break;
        case GNSS_SV_TYPE_SBAS:
            out = V2_0::GnssConstellationType::SBAS;
            break;
        case GNSS_SV_TYPE_GLONASS:
            out = V2_0::GnssConstellationType::GLONASS;
            break;
        case GNSS_SV_TYPE_QZSS:
            out = V2_0::GnssConstellationType::QZSS;
            break;
        case GNSS_SV_TYPE_BEIDOU:
            out = V2_0::GnssConstellationType::BEIDOU;
            break;
        case GNSS_SV_TYPE_GALILEO:
            out = V2_0::GnssConstellationType::GALILEO;
            break;
        case GNSS_SV_TYPE_NAVIC:
            out = V2_0::GnssConstellationType::IRNSS;
            break;
        case GNSS_SV_TYPE_UNKNOWN:
        default:
            out = V2_0::GnssConstellationType::UNKNOWN;
            break;
    }
}

void convertGnssSvid(GnssSv& in, int16_t& out)
{
    switch (in.type) {
        case GNSS_SV_TYPE_GPS:
            out = in.svId;
            break;
        case GNSS_SV_TYPE_SBAS:
            out = in.svId;
            break;
        case GNSS_SV_TYPE_GLONASS:
            if (!isGloSlotUnknown(in.svId)) { // OSN is known
                out = in.svId - GLO_SV_PRN_MIN + 1;
            } else { // OSN is not known, report FCN
                out = in.gloFrequency + 92;
            }
            break;
        case GNSS_SV_TYPE_QZSS:
            out = in.svId;
            break;
        case GNSS_SV_TYPE_BEIDOU:
            out = in.svId - BDS_SV_PRN_MIN + 1;
            break;
        case GNSS_SV_TYPE_GALILEO:
            out = in.svId - GAL_SV_PRN_MIN + 1;
            break;
        case GNSS_SV_TYPE_NAVIC:
            out = in.svId - NAVIC_SV_PRN_MIN + 1;
            break;
        default:
            out = in.svId;
            break;
    }
}

void convertGnssSvid(GnssMeasurementsData& in, int16_t& out)
{
    switch (in.svType) {
        case GNSS_SV_TYPE_GPS:
            out = in.svId;
            break;
        case GNSS_SV_TYPE_SBAS:
            out = in.svId;
            break;
        case GNSS_SV_TYPE_GLONASS:
            if (!isGloSlotUnknown(in.svId)) { // OSN is known
                out = in.svId - GLO_SV_PRN_MIN + 1;
            } else { // OSN is not known, report FCN
                out = in.gloFrequency + 92;
            }
            break;
        case GNSS_SV_TYPE_QZSS:
            out = in.svId;
            break;
        case GNSS_SV_TYPE_BEIDOU:
            out = in.svId - BDS_SV_PRN_MIN + 1;
            break;
        case GNSS_SV_TYPE_GALILEO:
            out = in.svId - GAL_SV_PRN_MIN + 1;
            break;
        case GNSS_SV_TYPE_NAVIC:
            out = in.svId - NAVIC_SV_PRN_MIN + 1;
            break;
        default:
            out = in.svId;
            break;
    }
}

void convertGnssEphemerisType(GnssEphemerisType& in, GnssDebug::SatelliteEphemerisType& out)
{
    switch(in) {
        case GNSS_EPH_TYPE_EPHEMERIS:
            out = GnssDebug::SatelliteEphemerisType::EPHEMERIS;
            break;
        case GNSS_EPH_TYPE_ALMANAC:
            out = GnssDebug::SatelliteEphemerisType::ALMANAC_ONLY;
            break;
        case GNSS_EPH_TYPE_UNKNOWN:
        default:
            out = GnssDebug::SatelliteEphemerisType::NOT_AVAILABLE;
            break;
    }
}

void convertGnssEphemerisSource(GnssEphemerisSource& in, GnssDebug::SatelliteEphemerisSource& out)
{
    switch(in) {
        case GNSS_EPH_SOURCE_DEMODULATED:
            out = GnssDebug::SatelliteEphemerisSource::DEMODULATED;
            break;
        case GNSS_EPH_SOURCE_SUPL_PROVIDED:
            out = GnssDebug::SatelliteEphemerisSource::SUPL_PROVIDED;
            break;
        case GNSS_EPH_SOURCE_OTHER_SERVER_PROVIDED:
            out = GnssDebug::SatelliteEphemerisSource::OTHER_SERVER_PROVIDED;
            break;
        case GNSS_EPH_SOURCE_LOCAL:
        case GNSS_EPH_SOURCE_UNKNOWN:
        default:
            out = GnssDebug::SatelliteEphemerisSource::OTHER;
            break;
    }
}

void convertGnssEphemerisHealth(GnssEphemerisHealth& in, GnssDebug::SatelliteEphemerisHealth& out)
{
    switch(in) {
        case GNSS_EPH_HEALTH_GOOD:
            out = GnssDebug::SatelliteEphemerisHealth::GOOD;
            break;
        case GNSS_EPH_HEALTH_BAD:
            out = GnssDebug::SatelliteEphemerisHealth::BAD;
            break;
        case GNSS_EPH_HEALTH_UNKNOWN:
        default:
            out = GnssDebug::SatelliteEphemerisHealth::UNKNOWN;
            break;
    }
}

void convertSingleSatCorrections(const SingleSatCorrection& in, GnssSingleSatCorrection& out)
{
    out.flags = GNSS_MEAS_CORR_UNKNOWN_BIT;
    if (in.singleSatCorrectionFlags & (GnssSingleSatCorrectionFlags::HAS_SAT_IS_LOS_PROBABILITY)) {
        out.flags |= GNSS_MEAS_CORR_HAS_SAT_IS_LOS_PROBABILITY_BIT;
    }
    if (in.singleSatCorrectionFlags & (GnssSingleSatCorrectionFlags::HAS_EXCESS_PATH_LENGTH)) {
        out.flags |= GNSS_MEAS_CORR_HAS_EXCESS_PATH_LENGTH_BIT;
    }
    if (in.singleSatCorrectionFlags & (GnssSingleSatCorrectionFlags::HAS_EXCESS_PATH_LENGTH_UNC)) {
        out.flags |= GNSS_MEAS_CORR_HAS_EXCESS_PATH_LENGTH_UNC_BIT;
    }
    if (in.singleSatCorrectionFlags & (GnssSingleSatCorrectionFlags::HAS_REFLECTING_PLANE)) {
        out.flags |= GNSS_MEAS_CORR_HAS_REFLECTING_PLANE_BIT;
    }
    switch (in.constellation) {
    case (::android::hardware::gnss::V1_0::GnssConstellationType::GPS):
        out.svType = GNSS_SV_TYPE_GPS;
        break;
    case (::android::hardware::gnss::V1_0::GnssConstellationType::SBAS):
        out.svType = GNSS_SV_TYPE_SBAS;
        break;
    case (::android::hardware::gnss::V1_0::GnssConstellationType::GLONASS):
        out.svType = GNSS_SV_TYPE_GLONASS;
        break;
    case (::android::hardware::gnss::V1_0::GnssConstellationType::QZSS):
        out.svType = GNSS_SV_TYPE_QZSS;
        break;
    case (::android::hardware::gnss::V1_0::GnssConstellationType::BEIDOU):
        out.svType = GNSS_SV_TYPE_BEIDOU;
        break;
    case (::android::hardware::gnss::V1_0::GnssConstellationType::GALILEO):
        out.svType = GNSS_SV_TYPE_GALILEO;
        break;
    case (::android::hardware::gnss::V1_0::GnssConstellationType::UNKNOWN):
    default:
        out.svType = GNSS_SV_TYPE_UNKNOWN;
        break;
    }
    out.svId = in.svid;
    out.carrierFrequencyHz = in.carrierFrequencyHz;
    out.probSatIsLos = in.probSatIsLos;
    out.excessPathLengthMeters = in.excessPathLengthMeters;
    out.excessPathLengthUncertaintyMeters = in.excessPathLengthUncertaintyMeters;

    out.reflectingPlane.latitudeDegrees = in.reflectingPlane.latitudeDegrees;
    out.reflectingPlane.longitudeDegrees = in.reflectingPlane.longitudeDegrees;
    out.reflectingPlane.altitudeMeters = in.reflectingPlane.altitudeMeters;
    out.reflectingPlane.azimuthDegrees = in.reflectingPlane.azimuthDegrees;
}

void convertMeasurementCorrections(const MeasurementCorrectionsV1_0& in,
                                   GnssMeasurementCorrections& out)
{
    memset(&out, 0, sizeof(GnssMeasurementCorrections));
    out.latitudeDegrees = in.latitudeDegrees;
    out.longitudeDegrees = in.longitudeDegrees;
    out.altitudeMeters = in.altitudeMeters;
    out.horizontalPositionUncertaintyMeters = in.horizontalPositionUncertaintyMeters;
    out.verticalPositionUncertaintyMeters = in.verticalPositionUncertaintyMeters;
    out.toaGpsNanosecondsOfWeek = in.toaGpsNanosecondsOfWeek;

    for (int i = 0; i < in.satCorrections.size(); i++) {
        GnssSingleSatCorrection gnssSingleSatCorrection = {};

        convertSingleSatCorrections(in.satCorrections[i], gnssSingleSatCorrection);
        out.satCorrections.push_back(gnssSingleSatCorrection);
    }
}

}  // namespace implementation
}  // namespace V2_1
}  // namespace gnss
}  // namespace hardware
}  // namespace android