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/*
* Copyright (C) 2019 The Android Open Source Project
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include <Utils.h>
#include "gtest/gtest.h"
#include <cutils/properties.h>
namespace android {
namespace hardware {
namespace gnss {
namespace common {
using GnssConstellationType_V1_0 = V1_0::GnssConstellationType;
using GnssConstellationType_V2_0 = V2_0::GnssConstellationType;
using V1_0::GnssLocationFlags;
void Utils::checkLocation(const GnssLocation& location, bool check_speed,
bool check_more_accuracies) {
EXPECT_TRUE(location.gnssLocationFlags & GnssLocationFlags::HAS_LAT_LONG);
EXPECT_TRUE(location.gnssLocationFlags & GnssLocationFlags::HAS_ALTITUDE);
if (check_speed) {
EXPECT_TRUE(location.gnssLocationFlags & GnssLocationFlags::HAS_SPEED);
}
EXPECT_TRUE(location.gnssLocationFlags & GnssLocationFlags::HAS_HORIZONTAL_ACCURACY);
// New uncertainties available in O must be provided,
// at least when paired with modern hardware (2017+)
if (check_more_accuracies) {
EXPECT_TRUE(location.gnssLocationFlags & GnssLocationFlags::HAS_VERTICAL_ACCURACY);
if (check_speed) {
EXPECT_TRUE(location.gnssLocationFlags & GnssLocationFlags::HAS_SPEED_ACCURACY);
if (location.gnssLocationFlags & GnssLocationFlags::HAS_BEARING) {
EXPECT_TRUE(location.gnssLocationFlags & GnssLocationFlags::HAS_BEARING_ACCURACY);
}
}
}
EXPECT_GE(location.latitudeDegrees, -90.0);
EXPECT_LE(location.latitudeDegrees, 90.0);
EXPECT_GE(location.longitudeDegrees, -180.0);
EXPECT_LE(location.longitudeDegrees, 180.0);
EXPECT_GE(location.altitudeMeters, -1000.0);
EXPECT_LE(location.altitudeMeters, 30000.0);
if (check_speed) {
EXPECT_GE(location.speedMetersPerSec, 0.0);
EXPECT_LE(location.speedMetersPerSec, 5.0); // VTS tests are stationary.
// Non-zero speeds must be reported with an associated bearing
if (location.speedMetersPerSec > 0.0) {
EXPECT_TRUE(location.gnssLocationFlags & GnssLocationFlags::HAS_BEARING);
}
}
/*
* Tolerating some especially high values for accuracy estimate, in case of
* first fix with especially poor geometry (happens occasionally)
*/
EXPECT_GT(location.horizontalAccuracyMeters, 0.0);
EXPECT_LE(location.horizontalAccuracyMeters, 250.0);
/*
* Some devices may define bearing as -180 to +180, others as 0 to 360.
* Both are okay & understandable.
*/
if (location.gnssLocationFlags & GnssLocationFlags::HAS_BEARING) {
EXPECT_GE(location.bearingDegrees, -180.0);
EXPECT_LE(location.bearingDegrees, 360.0);
}
if (location.gnssLocationFlags & GnssLocationFlags::HAS_VERTICAL_ACCURACY) {
EXPECT_GT(location.verticalAccuracyMeters, 0.0);
EXPECT_LE(location.verticalAccuracyMeters, 500.0);
}
if (location.gnssLocationFlags & GnssLocationFlags::HAS_SPEED_ACCURACY) {
EXPECT_GT(location.speedAccuracyMetersPerSecond, 0.0);
EXPECT_LE(location.speedAccuracyMetersPerSecond, 50.0);
}
if (location.gnssLocationFlags & GnssLocationFlags::HAS_BEARING_ACCURACY) {
EXPECT_GT(location.bearingAccuracyDegrees, 0.0);
EXPECT_LE(location.bearingAccuracyDegrees, 360.0);
}
// Check timestamp > 1.48e12 (47 years in msec - 1970->2017+)
EXPECT_GT(location.timestamp, 1.48e12);
}
const MeasurementCorrections_1_0 Utils::getMockMeasurementCorrections() {
ReflectingPlane reflectingPlane = {
.latitudeDegrees = 37.4220039,
.longitudeDegrees = -122.0840991,
.altitudeMeters = 250.35,
.azimuthDegrees = 203.0,
};
SingleSatCorrection_V1_0 singleSatCorrection1 = {
.singleSatCorrectionFlags = GnssSingleSatCorrectionFlags::HAS_SAT_IS_LOS_PROBABILITY |
GnssSingleSatCorrectionFlags::HAS_EXCESS_PATH_LENGTH |
GnssSingleSatCorrectionFlags::HAS_EXCESS_PATH_LENGTH_UNC |
GnssSingleSatCorrectionFlags::HAS_REFLECTING_PLANE,
.constellation = GnssConstellationType_V1_0::GPS,
.svid = 12,
.carrierFrequencyHz = 1.59975e+09,
.probSatIsLos = 0.50001,
.excessPathLengthMeters = 137.4802,
.excessPathLengthUncertaintyMeters = 25.5,
.reflectingPlane = reflectingPlane,
};
SingleSatCorrection_V1_0 singleSatCorrection2 = {
.singleSatCorrectionFlags = GnssSingleSatCorrectionFlags::HAS_SAT_IS_LOS_PROBABILITY |
GnssSingleSatCorrectionFlags::HAS_EXCESS_PATH_LENGTH |
GnssSingleSatCorrectionFlags::HAS_EXCESS_PATH_LENGTH_UNC,
.constellation = GnssConstellationType_V1_0::GPS,
.svid = 9,
.carrierFrequencyHz = 1.59975e+09,
.probSatIsLos = 0.873,
.excessPathLengthMeters = 26.294,
.excessPathLengthUncertaintyMeters = 10.0,
};
hidl_vec<SingleSatCorrection_V1_0> singleSatCorrections = {singleSatCorrection1,
singleSatCorrection2};
MeasurementCorrections_1_0 mockCorrections = {
.latitudeDegrees = 37.4219999,
.longitudeDegrees = -122.0840575,
.altitudeMeters = 30.60062531,
.horizontalPositionUncertaintyMeters = 9.23542,
.verticalPositionUncertaintyMeters = 15.02341,
.toaGpsNanosecondsOfWeek = 2935633453L,
.satCorrections = singleSatCorrections,
};
return mockCorrections;
}
const MeasurementCorrections_1_1 Utils::getMockMeasurementCorrections_1_1() {
MeasurementCorrections_1_0 mockCorrections_1_0 = getMockMeasurementCorrections();
SingleSatCorrection_V1_1 singleSatCorrection1 = {
.v1_0 = mockCorrections_1_0.satCorrections[0],
.constellation = GnssConstellationType_V2_0::IRNSS,
};
SingleSatCorrection_V1_1 singleSatCorrection2 = {
.v1_0 = mockCorrections_1_0.satCorrections[1],
.constellation = GnssConstellationType_V2_0::IRNSS,
};
mockCorrections_1_0.satCorrections[0].constellation = GnssConstellationType_V1_0::UNKNOWN;
mockCorrections_1_0.satCorrections[1].constellation = GnssConstellationType_V1_0::UNKNOWN;
hidl_vec<SingleSatCorrection_V1_1> singleSatCorrections = {singleSatCorrection1,
singleSatCorrection2};
MeasurementCorrections_1_1 mockCorrections_1_1 = {
.v1_0 = mockCorrections_1_0,
.hasEnvironmentBearing = true,
.environmentBearingDegrees = 45.0,
.environmentBearingUncertaintyDegrees = 4.0,
.satCorrections = singleSatCorrections,
};
return mockCorrections_1_1;
}
/*
* MapConstellationType:
* Given a GnssConstellationType_2_0 type constellation, maps to its equivalent
* GnssConstellationType_1_0 type constellation. For constellations that do not have
* an equivalent value, maps to GnssConstellationType_1_0::UNKNOWN
*/
GnssConstellationType_1_0 Utils::mapConstellationType(GnssConstellationType_2_0 constellation) {
switch (constellation) {
case GnssConstellationType_2_0::GPS:
return GnssConstellationType_1_0::GPS;
case GnssConstellationType_2_0::SBAS:
return GnssConstellationType_1_0::SBAS;
case GnssConstellationType_2_0::GLONASS:
return GnssConstellationType_1_0::GLONASS;
case GnssConstellationType_2_0::QZSS:
return GnssConstellationType_1_0::QZSS;
case GnssConstellationType_2_0::BEIDOU:
return GnssConstellationType_1_0::BEIDOU;
case GnssConstellationType_2_0::GALILEO:
return GnssConstellationType_1_0::GALILEO;
default:
return GnssConstellationType_1_0::UNKNOWN;
}
}
bool Utils::isAutomotiveDevice() {
char buffer[PROPERTY_VALUE_MAX] = {0};
property_get("ro.hardware.type", buffer, "");
return strncmp(buffer, "automotive", PROPERTY_VALUE_MAX) == 0;
}
} // namespace common
} // namespace gnss
} // namespace hardware
} // namespace android