/* Copyright (c) 2017-2018, The Linux Foundation. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above
* copyright notice, this list of conditions and the following
* disclaimer in the documentation and/or other materials provided
* with the distribution.
* * Neither the name of The Linux Foundation, nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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*/
#define LOG_NDEBUG 0
#define LOG_TAG "LocSvc_MeasurementAPIClient"
#include <log_util.h>
#include <loc_cfg.h>
#include "LocationUtil.h"
#include "MeasurementAPIClient.h"
namespace android {
namespace hardware {
namespace gnss {
namespace V1_0 {
namespace implementation {
using ::android::hardware::gnss::V1_0::IGnssMeasurement;
using ::android::hardware::gnss::V1_0::IGnssMeasurementCallback;
static void convertGnssData(GnssMeasurementsNotification& in,
V1_0::IGnssMeasurementCallback::GnssData& out);
static void convertGnssMeasurement(GnssMeasurementsData& in,
V1_0::IGnssMeasurementCallback::GnssMeasurement& out);
static void convertGnssClock(GnssMeasurementsClock& in, IGnssMeasurementCallback::GnssClock& out);
MeasurementAPIClient::MeasurementAPIClient() :
mGnssMeasurementCbIface(nullptr),
mTracking(false)
{
LOC_LOGD("%s]: ()", __FUNCTION__);
}
MeasurementAPIClient::~MeasurementAPIClient()
{
LOC_LOGD("%s]: ()", __FUNCTION__);
}
// for GpsInterface
Return<IGnssMeasurement::GnssMeasurementStatus>
MeasurementAPIClient::measurementSetCallback(const sp<V1_0::IGnssMeasurementCallback>& callback)
{
LOC_LOGD("%s]: (%p)", __FUNCTION__, &callback);
mMutex.lock();
mGnssMeasurementCbIface = callback;
mMutex.unlock();
return startTracking();
}
Return<IGnssMeasurement::GnssMeasurementStatus>
MeasurementAPIClient::startTracking()
{
LocationCallbacks locationCallbacks;
memset(&locationCallbacks, 0, sizeof(LocationCallbacks));
locationCallbacks.size = sizeof(LocationCallbacks);
locationCallbacks.trackingCb = nullptr;
locationCallbacks.batchingCb = nullptr;
locationCallbacks.geofenceBreachCb = nullptr;
locationCallbacks.geofenceStatusCb = nullptr;
locationCallbacks.gnssLocationInfoCb = nullptr;
locationCallbacks.gnssNiCb = nullptr;
locationCallbacks.gnssSvCb = nullptr;
locationCallbacks.gnssNmeaCb = nullptr;
locationCallbacks.gnssMeasurementsCb = nullptr;
if (mGnssMeasurementCbIface != nullptr) {
locationCallbacks.gnssMeasurementsCb =
[this](GnssMeasurementsNotification gnssMeasurementsNotification) {
onGnssMeasurementsCb(gnssMeasurementsNotification);
};
}
locAPISetCallbacks(locationCallbacks);
TrackingOptions options = {};
memset(&options, 0, sizeof(TrackingOptions));
options.size = sizeof(TrackingOptions);
options.minInterval = 1000;
options.mode = GNSS_SUPL_MODE_STANDALONE;
mTracking = true;
LOC_LOGD("%s]: start tracking session", __FUNCTION__);
locAPIStartTracking(options);
return IGnssMeasurement::GnssMeasurementStatus::SUCCESS;
}
// for GpsMeasurementInterface
void MeasurementAPIClient::measurementClose() {
LOC_LOGD("%s]: ()", __FUNCTION__);
mTracking = false;
locAPIStopTracking();
}
// callbacks
void MeasurementAPIClient::onGnssMeasurementsCb(
GnssMeasurementsNotification gnssMeasurementsNotification)
{
LOC_LOGD("%s]: (count: %zu active: %d)",
__FUNCTION__, gnssMeasurementsNotification.count, mTracking);
if (mTracking) {
mMutex.lock();
sp<V1_0::IGnssMeasurementCallback> gnssMeasurementCbIface = nullptr;
if (mGnssMeasurementCbIface != nullptr) {
gnssMeasurementCbIface = mGnssMeasurementCbIface;
}
mMutex.unlock();
if (gnssMeasurementCbIface != nullptr) {
V1_0::IGnssMeasurementCallback::GnssData gnssData;
convertGnssData(gnssMeasurementsNotification, gnssData);
auto r = gnssMeasurementCbIface->GnssMeasurementCb(gnssData);
if (!r.isOk()) {
LOC_LOGE("%s] Error from GnssMeasurementCb description=%s",
__func__, r.description().c_str());
}
}
}
}
static void convertGnssMeasurement(GnssMeasurementsData& in,
V1_0::IGnssMeasurementCallback::GnssMeasurement& out)
{
memset(&out, 0, sizeof(IGnssMeasurementCallback::GnssMeasurement));
if (in.flags & GNSS_MEASUREMENTS_DATA_SIGNAL_TO_NOISE_RATIO_BIT)
out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_SNR;
if (in.flags & GNSS_MEASUREMENTS_DATA_CARRIER_FREQUENCY_BIT)
out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_CARRIER_FREQUENCY;
if (in.flags & GNSS_MEASUREMENTS_DATA_CARRIER_CYCLES_BIT)
out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_CARRIER_CYCLES;
if (in.flags & GNSS_MEASUREMENTS_DATA_CARRIER_PHASE_BIT)
out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_CARRIER_PHASE;
if (in.flags & GNSS_MEASUREMENTS_DATA_CARRIER_PHASE_UNCERTAINTY_BIT)
out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_CARRIER_PHASE_UNCERTAINTY;
if (in.flags & GNSS_MEASUREMENTS_DATA_AUTOMATIC_GAIN_CONTROL_BIT)
out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_AUTOMATIC_GAIN_CONTROL;
convertGnssSvid(in, out.svid);
convertGnssConstellationType(in.svType, out.constellation);
out.timeOffsetNs = in.timeOffsetNs;
if (in.stateMask & GNSS_MEASUREMENTS_STATE_CODE_LOCK_BIT)
out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_CODE_LOCK;
if (in.stateMask & GNSS_MEASUREMENTS_STATE_BIT_SYNC_BIT)
out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_BIT_SYNC;
if (in.stateMask & GNSS_MEASUREMENTS_STATE_SUBFRAME_SYNC_BIT)
out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_SUBFRAME_SYNC;
if (in.stateMask & GNSS_MEASUREMENTS_STATE_TOW_DECODED_BIT)
out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_TOW_DECODED;
if (in.stateMask & GNSS_MEASUREMENTS_STATE_MSEC_AMBIGUOUS_BIT)
out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_MSEC_AMBIGUOUS;
if (in.stateMask & GNSS_MEASUREMENTS_STATE_SYMBOL_SYNC_BIT)
out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_SYMBOL_SYNC;
if (in.stateMask & GNSS_MEASUREMENTS_STATE_GLO_STRING_SYNC_BIT)
out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_GLO_STRING_SYNC;
if (in.stateMask & GNSS_MEASUREMENTS_STATE_GLO_TOD_DECODED_BIT)
out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_GLO_TOD_DECODED;
if (in.stateMask & GNSS_MEASUREMENTS_STATE_BDS_D2_BIT_SYNC_BIT)
out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_BDS_D2_BIT_SYNC;
if (in.stateMask & GNSS_MEASUREMENTS_STATE_BDS_D2_SUBFRAME_SYNC_BIT)
out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_BDS_D2_SUBFRAME_SYNC;
if (in.stateMask & GNSS_MEASUREMENTS_STATE_GAL_E1BC_CODE_LOCK_BIT)
out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_GAL_E1BC_CODE_LOCK;
if (in.stateMask & GNSS_MEASUREMENTS_STATE_GAL_E1C_2ND_CODE_LOCK_BIT)
out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_GAL_E1C_2ND_CODE_LOCK;
if (in.stateMask & GNSS_MEASUREMENTS_STATE_GAL_E1B_PAGE_SYNC_BIT)
out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_GAL_E1B_PAGE_SYNC;
if (in.stateMask & GNSS_MEASUREMENTS_STATE_SBAS_SYNC_BIT)
out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_SBAS_SYNC;
out.receivedSvTimeInNs = in.receivedSvTimeNs;
out.receivedSvTimeUncertaintyInNs = in.receivedSvTimeUncertaintyNs;
out.cN0DbHz = in.carrierToNoiseDbHz;
out.pseudorangeRateMps = in.pseudorangeRateMps;
out.pseudorangeRateUncertaintyMps = in.pseudorangeRateUncertaintyMps;
if (in.adrStateMask & GNSS_MEASUREMENTS_ACCUMULATED_DELTA_RANGE_STATE_VALID_BIT)
out.accumulatedDeltaRangeState |=
IGnssMeasurementCallback::GnssAccumulatedDeltaRangeState::ADR_STATE_VALID;
if (in.adrStateMask & GNSS_MEASUREMENTS_ACCUMULATED_DELTA_RANGE_STATE_RESET_BIT)
out.accumulatedDeltaRangeState |=
IGnssMeasurementCallback::GnssAccumulatedDeltaRangeState::ADR_STATE_RESET;
if (in.adrStateMask & GNSS_MEASUREMENTS_ACCUMULATED_DELTA_RANGE_STATE_CYCLE_SLIP_BIT)
out.accumulatedDeltaRangeState |=
IGnssMeasurementCallback::GnssAccumulatedDeltaRangeState::ADR_STATE_CYCLE_SLIP;
out.accumulatedDeltaRangeM = in.adrMeters;
out.accumulatedDeltaRangeUncertaintyM = in.adrUncertaintyMeters;
out.carrierFrequencyHz = in.carrierFrequencyHz;
out.carrierCycles = in.carrierCycles;
out.carrierPhase = in.carrierPhase;
out.carrierPhaseUncertainty = in.carrierPhaseUncertainty;
uint8_t indicator =
static_cast<uint8_t>(IGnssMeasurementCallback::GnssMultipathIndicator::INDICATOR_UNKNOWN);
if (in.multipathIndicator & GNSS_MEASUREMENTS_MULTIPATH_INDICATOR_PRESENT)
indicator |= IGnssMeasurementCallback::GnssMultipathIndicator::INDICATOR_PRESENT;
if (in.multipathIndicator & GNSS_MEASUREMENTS_MULTIPATH_INDICATOR_NOT_PRESENT)
indicator |= IGnssMeasurementCallback::GnssMultipathIndicator::INDICATIOR_NOT_PRESENT;
out.multipathIndicator =
static_cast<IGnssMeasurementCallback::GnssMultipathIndicator>(indicator);
out.snrDb = in.signalToNoiseRatioDb;
out.agcLevelDb = in.agcLevelDb;
}
static void convertGnssClock(GnssMeasurementsClock& in, IGnssMeasurementCallback::GnssClock& out)
{
memset(&out, 0, sizeof(IGnssMeasurementCallback::GnssClock));
if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_LEAP_SECOND_BIT)
out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_LEAP_SECOND;
if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_TIME_UNCERTAINTY_BIT)
out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_TIME_UNCERTAINTY;
if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_FULL_BIAS_BIT)
out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_FULL_BIAS;
if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_BIAS_BIT)
out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_BIAS;
if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_BIAS_UNCERTAINTY_BIT)
out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_BIAS_UNCERTAINTY;
if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_DRIFT_BIT)
out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_DRIFT;
if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_DRIFT_UNCERTAINTY_BIT)
out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_DRIFT_UNCERTAINTY;
out.leapSecond = in.leapSecond;
out.timeNs = in.timeNs;
out.timeUncertaintyNs = in.timeUncertaintyNs;
out.fullBiasNs = in.fullBiasNs;
out.biasNs = in.biasNs;
out.biasUncertaintyNs = in.biasUncertaintyNs;
out.driftNsps = in.driftNsps;
out.driftUncertaintyNsps = in.driftUncertaintyNsps;
out.hwClockDiscontinuityCount = in.hwClockDiscontinuityCount;
}
static void convertGnssData(GnssMeasurementsNotification& in,
V1_0::IGnssMeasurementCallback::GnssData& out)
{
out.measurementCount = in.count;
if (out.measurementCount > static_cast<uint32_t>(V1_0::GnssMax::SVS_COUNT)) {
LOC_LOGW("%s]: Too many measurement %u. Clamps to %d.",
__FUNCTION__, out.measurementCount, V1_0::GnssMax::SVS_COUNT);
out.measurementCount = static_cast<uint32_t>(V1_0::GnssMax::SVS_COUNT);
}
for (size_t i = 0; i < out.measurementCount; i++) {
convertGnssMeasurement(in.measurements[i], out.measurements[i]);
}
convertGnssClock(in.clock, out.clock);
}
} // namespace implementation
} // namespace V1_0
} // namespace gnss
} // namespace hardware
} // namespace android
