Add VTS tests for measurementInterval, stopSvStatus, and stopNmea
Bug: 206670536
Test: atest VtsHalGnssTargetTest
Change-Id: Id597c772fbe63789cb394b2aa14faeb755196f64
diff --git a/gnss/aidl/vts/gnss_hal_test.cpp b/gnss/aidl/vts/gnss_hal_test.cpp
index f184f81..407ac0c 100644
--- a/gnss/aidl/vts/gnss_hal_test.cpp
+++ b/gnss/aidl/vts/gnss_hal_test.cpp
@@ -18,15 +18,50 @@
#include "gnss_hal_test.h"
#include <hidl/ServiceManagement.h>
+#include <algorithm>
+#include <cmath>
#include "Utils.h"
+using android::hardware::gnss::GnssClock;
using android::hardware::gnss::GnssConstellationType;
+using android::hardware::gnss::GnssData;
using android::hardware::gnss::GnssLocation;
+using android::hardware::gnss::GnssMeasurement;
using android::hardware::gnss::IGnss;
using android::hardware::gnss::IGnssCallback;
+using android::hardware::gnss::IGnssMeasurementInterface;
using android::hardware::gnss::common::Utils;
using GnssConstellationTypeV2_0 = android::hardware::gnss::V2_0::GnssConstellationType;
+namespace {
+// The difference between the mean of the received intervals and the requested interval should not
+// be larger mInterval * ALLOWED_MEAN_ERROR_RATIO
+constexpr double ALLOWED_MEAN_ERROR_RATIO = 0.25;
+
+// The standard deviation computed for the deltas should not be bigger
+// than mInterval * ALLOWED_STDEV_ERROR_RATIO or MIN_STDEV_MS, whichever is higher.
+constexpr double ALLOWED_STDEV_ERROR_RATIO = 0.50;
+constexpr double MIN_STDEV_MS = 1000;
+
+double computeMean(std::vector<int>& deltas) {
+ long accumulator = 0;
+ for (auto& d : deltas) {
+ accumulator += d;
+ }
+ return accumulator / deltas.size();
+}
+
+double computeStdev(double mean, std::vector<int>& deltas) {
+ double accumulator = 0;
+ for (auto& d : deltas) {
+ double diff = d - mean;
+ accumulator += diff * diff;
+ }
+ return std::sqrt(accumulator / (deltas.size() - 1));
+}
+
+} // anonymous namespace
+
void GnssHalTest::SetUp() {
// Get AIDL handle
aidl_gnss_hal_ = android::waitForDeclaredService<IGnssAidl>(String16(GetParam().c_str()));
@@ -97,20 +132,26 @@
ASSERT_TRUE(status.isOk());
}
-bool GnssHalTest::StartAndCheckFirstLocation(const int min_interval_msec,
- const bool low_power_mode) {
+bool GnssHalTest::StartAndCheckFirstLocation(const int min_interval_msec, const bool low_power_mode,
+ const bool start_sv_status, const bool start_nmea) {
if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
// Invoke the super method.
return GnssHalTestTemplate<IGnss_V2_1>::StartAndCheckFirstLocation(min_interval_msec,
low_power_mode);
}
-
SetPositionMode(min_interval_msec, low_power_mode);
+
auto status = aidl_gnss_hal_->start();
EXPECT_TRUE(status.isOk());
- status = aidl_gnss_hal_->startSvStatus();
- EXPECT_TRUE(status.isOk());
+ if (start_sv_status) {
+ status = aidl_gnss_hal_->startSvStatus();
+ EXPECT_TRUE(status.isOk());
+ }
+ if (start_nmea) {
+ status = aidl_gnss_hal_->startNmea();
+ EXPECT_TRUE(status.isOk());
+ }
/*
* GnssLocationProvider support of AGPS SUPL & XtraDownloader is not available in VTS,
@@ -131,6 +172,12 @@
return false;
}
+bool GnssHalTest::StartAndCheckFirstLocation(const int min_interval_msec,
+ const bool low_power_mode) {
+ return StartAndCheckFirstLocation(min_interval_msec, low_power_mode,
+ /* start_sv_status= */ true, /* start_nmea= */ true);
+}
+
void GnssHalTest::StopAndClearLocations() {
ALOGD("StopAndClearLocations");
if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
@@ -139,6 +186,8 @@
}
auto status = aidl_gnss_hal_->stopSvStatus();
EXPECT_TRUE(status.isOk());
+ status = aidl_gnss_hal_->stopNmea();
+ EXPECT_TRUE(status.isOk());
status = aidl_gnss_hal_->stop();
EXPECT_TRUE(status.isOk());
@@ -153,7 +202,8 @@
aidl_gnss_cb_->location_cbq_.reset();
}
-void GnssHalTest::StartAndCheckLocations(int count) {
+void GnssHalTest::StartAndCheckLocations(const int count, const bool start_sv_status,
+ const bool start_nmea) {
if (aidl_gnss_hal_->getInterfaceVersion() <= 1) {
// Invoke the super method.
return GnssHalTestTemplate<IGnss_V2_1>::StartAndCheckLocations(count);
@@ -162,7 +212,8 @@
const int kLocationTimeoutSubsequentSec = 2;
const bool kLowPowerMode = false;
- EXPECT_TRUE(StartAndCheckFirstLocation(kMinIntervalMsec, kLowPowerMode));
+ EXPECT_TRUE(StartAndCheckFirstLocation(kMinIntervalMsec, kLowPowerMode, start_sv_status,
+ start_nmea));
for (int i = 1; i < count; i++) {
EXPECT_TRUE(aidl_gnss_cb_->location_cbq_.retrieve(aidl_gnss_cb_->last_location_,
@@ -177,6 +228,10 @@
}
}
+void GnssHalTest::StartAndCheckLocations(const int count) {
+ StartAndCheckLocations(count, /* start_sv_status= */ true, /* start_nmea= */ true);
+}
+
std::list<std::vector<IGnssCallback::GnssSvInfo>> GnssHalTest::convertToAidl(
const std::list<hidl_vec<IGnssCallback_2_1::GnssSvInfo>>& sv_info_list) {
std::list<std::vector<IGnssCallback::GnssSvInfo>> aidl_sv_info_list;
@@ -313,3 +368,109 @@
return constellation_to_blocklist;
}
+
+void GnssHalTest::checkGnssMeasurementClockFields(const GnssData& measurement) {
+ Utils::checkElapsedRealtime(measurement.elapsedRealtime);
+ ASSERT_TRUE(measurement.clock.gnssClockFlags >= 0 &&
+ measurement.clock.gnssClockFlags <=
+ (GnssClock::HAS_LEAP_SECOND | GnssClock::HAS_TIME_UNCERTAINTY |
+ GnssClock::HAS_FULL_BIAS | GnssClock::HAS_BIAS |
+ GnssClock::HAS_BIAS_UNCERTAINTY | GnssClock::HAS_DRIFT |
+ GnssClock::HAS_DRIFT_UNCERTAINTY));
+}
+
+void GnssHalTest::checkGnssMeasurementFlags(const GnssMeasurement& measurement) {
+ ASSERT_TRUE(measurement.flags >= 0 &&
+ measurement.flags <=
+ (GnssMeasurement::HAS_SNR | GnssMeasurement::HAS_CARRIER_FREQUENCY |
+ GnssMeasurement::HAS_CARRIER_CYCLES | GnssMeasurement::HAS_CARRIER_PHASE |
+ GnssMeasurement::HAS_CARRIER_PHASE_UNCERTAINTY |
+ GnssMeasurement::HAS_AUTOMATIC_GAIN_CONTROL |
+ GnssMeasurement::HAS_FULL_ISB | GnssMeasurement::HAS_FULL_ISB_UNCERTAINTY |
+ GnssMeasurement::HAS_SATELLITE_ISB |
+ GnssMeasurement::HAS_SATELLITE_ISB_UNCERTAINTY |
+ GnssMeasurement::HAS_SATELLITE_PVT |
+ GnssMeasurement::HAS_CORRELATION_VECTOR));
+}
+
+void GnssHalTest::checkGnssMeasurementFields(const GnssMeasurement& measurement,
+ const GnssData& data) {
+ checkGnssMeasurementFlags(measurement);
+ // Verify CodeType is valid.
+ ASSERT_NE(measurement.signalType.codeType, "");
+ // Verify basebandCn0DbHz is valid.
+ ASSERT_TRUE(measurement.basebandCN0DbHz > 0.0 && measurement.basebandCN0DbHz <= 65.0);
+
+ if (((measurement.flags & GnssMeasurement::HAS_FULL_ISB) > 0) &&
+ ((measurement.flags & GnssMeasurement::HAS_FULL_ISB_UNCERTAINTY) > 0) &&
+ ((measurement.flags & GnssMeasurement::HAS_SATELLITE_ISB) > 0) &&
+ ((measurement.flags & GnssMeasurement::HAS_SATELLITE_ISB_UNCERTAINTY) > 0)) {
+ GnssConstellationType referenceConstellation =
+ data.clock.referenceSignalTypeForIsb.constellation;
+ double carrierFrequencyHz = data.clock.referenceSignalTypeForIsb.carrierFrequencyHz;
+ std::string codeType = data.clock.referenceSignalTypeForIsb.codeType;
+
+ ASSERT_TRUE(referenceConstellation >= GnssConstellationType::UNKNOWN &&
+ referenceConstellation <= GnssConstellationType::IRNSS);
+ ASSERT_TRUE(carrierFrequencyHz > 0);
+ ASSERT_NE(codeType, "");
+
+ ASSERT_TRUE(std::abs(measurement.fullInterSignalBiasNs) < 1.0e6);
+ ASSERT_TRUE(measurement.fullInterSignalBiasUncertaintyNs >= 0);
+ ASSERT_TRUE(std::abs(measurement.satelliteInterSignalBiasNs) < 1.0e6);
+ ASSERT_TRUE(measurement.satelliteInterSignalBiasUncertaintyNs >= 0);
+ }
+}
+
+void GnssHalTest::startMeasurementWithInterval(
+ int intervalMs, const sp<IGnssMeasurementInterface>& iGnssMeasurement,
+ sp<GnssMeasurementCallbackAidl>& callback) {
+ ALOGD("Start requesting measurement at interval of %d millis.", intervalMs);
+ IGnssMeasurementInterface::Options options;
+ options.intervalMs = intervalMs;
+ auto status = iGnssMeasurement->setCallbackWithOptions(callback, options);
+ ASSERT_TRUE(status.isOk());
+}
+
+void GnssHalTest::collectMeasurementIntervals(const sp<GnssMeasurementCallbackAidl>& callback,
+ const int numMeasurementEvents,
+ const int timeoutSeconds,
+ std::vector<int>& deltasMs) {
+ int64_t lastElapsedRealtimeMillis = 0;
+ for (int i = 0; i < numMeasurementEvents; i++) {
+ GnssData lastGnssData;
+ ASSERT_TRUE(callback->gnss_data_cbq_.retrieve(lastGnssData, timeoutSeconds));
+ EXPECT_EQ(callback->gnss_data_cbq_.calledCount(), i + 1);
+ ASSERT_TRUE(lastGnssData.measurements.size() > 0);
+
+ // Validity check GnssData fields
+ checkGnssMeasurementClockFields(lastGnssData);
+ for (const auto& measurement : lastGnssData.measurements) {
+ checkGnssMeasurementFields(measurement, lastGnssData);
+ }
+
+ long currentElapsedRealtimeMillis = lastGnssData.elapsedRealtime.timestampNs * 1e-6;
+ if (lastElapsedRealtimeMillis != 0) {
+ deltasMs.push_back(currentElapsedRealtimeMillis - lastElapsedRealtimeMillis);
+ }
+ lastElapsedRealtimeMillis = currentElapsedRealtimeMillis;
+ }
+}
+
+void GnssHalTest::assertMeanAndStdev(int intervalMs, std::vector<int>& deltasMs) {
+ double mean = computeMean(deltasMs);
+ double stdev = computeStdev(mean, deltasMs);
+ EXPECT_TRUE(std::abs(mean - intervalMs) <= intervalMs * ALLOWED_MEAN_ERROR_RATIO)
+ << "Test failed, because the mean of intervals is " << mean
+ << " millis. The test requires that abs(" << mean << " - " << intervalMs
+ << ") <= " << intervalMs * ALLOWED_MEAN_ERROR_RATIO
+ << " millis, when the requested interval is " << intervalMs << " millis.";
+
+ double maxStdev = std::max(MIN_STDEV_MS, intervalMs * ALLOWED_STDEV_ERROR_RATIO);
+ EXPECT_TRUE(stdev <= maxStdev)
+ << "Test failed, because the stdev of intervals is " << stdev
+ << " millis, which must be <= " << maxStdev
+ << " millis, when the requested interval is " << intervalMs << " millis.";
+ ALOGD("Mean of interval deltas in millis: %.1lf", mean);
+ ALOGD("Stdev of interval deltas in millis: %.1lf", stdev);
+}