1 /* Copyright (c) 2017, The Linux Foundation. All rights reserved.
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29 
30 #define LOG_NDEBUG 0
31 #define LOG_TAG "LocSvc_MeasurementAPIClient"
32 
33 #include <log_util.h>
34 #include <loc_cfg.h>
35 
36 #include "LocationUtil.h"
37 #include "MeasurementAPIClient.h"
38 
39 namespace android {
40 namespace hardware {
41 namespace gnss {
42 namespace V1_0 {
43 namespace implementation {
44 
45 static void convertGnssData(GnssMeasurementsNotification& in,
46         IGnssMeasurementCallback::GnssData& out);
47 static void convertGnssMeasurement(GnssMeasurementsData& in,
48         IGnssMeasurementCallback::GnssMeasurement& out);
49 static void convertGnssClock(GnssMeasurementsClock& in, IGnssMeasurementCallback::GnssClock& out);
50 
MeasurementAPIClient()51 MeasurementAPIClient::MeasurementAPIClient() :
52     mGnssMeasurementCbIface(nullptr),
53     mTracking(false)
54 {
55     LOC_LOGD("%s]: ()", __FUNCTION__);
56 }
57 
~MeasurementAPIClient()58 MeasurementAPIClient::~MeasurementAPIClient()
59 {
60     LOC_LOGD("%s]: ()", __FUNCTION__);
61 }
62 
63 // for GpsInterface
64 Return<IGnssMeasurement::GnssMeasurementStatus>
measurementSetCallback(const sp<IGnssMeasurementCallback> & callback)65 MeasurementAPIClient::measurementSetCallback(const sp<IGnssMeasurementCallback>& callback)
66 {
67     LOC_LOGD("%s]: (%p)", __FUNCTION__, &callback);
68 
69     mMutex.lock();
70     mGnssMeasurementCbIface = callback;
71     mMutex.unlock();
72 
73     LocationCallbacks locationCallbacks;
74     memset(&locationCallbacks, 0, sizeof(LocationCallbacks));
75     locationCallbacks.size = sizeof(LocationCallbacks);
76 
77     locationCallbacks.trackingCb = nullptr;
78     locationCallbacks.batchingCb = nullptr;
79     locationCallbacks.geofenceBreachCb = nullptr;
80     locationCallbacks.geofenceStatusCb = nullptr;
81     locationCallbacks.gnssLocationInfoCb = nullptr;
82     locationCallbacks.gnssNiCb = nullptr;
83     locationCallbacks.gnssSvCb = nullptr;
84     locationCallbacks.gnssNmeaCb = nullptr;
85 
86     locationCallbacks.gnssMeasurementsCb = nullptr;
87     if (mGnssMeasurementCbIface != nullptr) {
88         locationCallbacks.gnssMeasurementsCb =
89             [this](GnssMeasurementsNotification gnssMeasurementsNotification) {
90                 onGnssMeasurementsCb(gnssMeasurementsNotification);
91             };
92     }
93 
94     locAPISetCallbacks(locationCallbacks);
95     LocationOptions options;
96     memset(&options, 0, sizeof(LocationOptions));
97     options.size = sizeof(LocationOptions);
98     options.minInterval = 1000;
99     options.mode = GNSS_SUPL_MODE_STANDALONE;
100     mTracking = true;
101     LOC_LOGD("%s]: start tracking session", __FUNCTION__);
102     locAPIStartTracking(options);
103 
104     return IGnssMeasurement::GnssMeasurementStatus::SUCCESS;
105 }
106 
107 // for GpsMeasurementInterface
measurementClose()108 void MeasurementAPIClient::measurementClose() {
109     LOC_LOGD("%s]: ()", __FUNCTION__);
110     mTracking = false;
111     locAPIStopTracking();
112 }
113 
114 // callbacks
onGnssMeasurementsCb(GnssMeasurementsNotification gnssMeasurementsNotification)115 void MeasurementAPIClient::onGnssMeasurementsCb(
116         GnssMeasurementsNotification gnssMeasurementsNotification)
117 {
118     LOC_LOGD("%s]: (count: %zu active: %zu)",
119             __FUNCTION__, gnssMeasurementsNotification.count, mTracking);
120     if (mTracking) {
121         mMutex.lock();
122         auto gnssMeasurementCbIface(mGnssMeasurementCbIface);
123         mMutex.unlock();
124 
125         if (gnssMeasurementCbIface != nullptr) {
126             IGnssMeasurementCallback::GnssData gnssData;
127             convertGnssData(gnssMeasurementsNotification, gnssData);
128             auto r = gnssMeasurementCbIface->GnssMeasurementCb(gnssData);
129             if (!r.isOk()) {
130                 LOC_LOGE("%s] Error from GnssMeasurementCb description=%s",
131                     __func__, r.description().c_str());
132             }
133         }
134     }
135 }
136 
convertGnssMeasurement(GnssMeasurementsData & in,IGnssMeasurementCallback::GnssMeasurement & out)137 static void convertGnssMeasurement(GnssMeasurementsData& in,
138         IGnssMeasurementCallback::GnssMeasurement& out)
139 {
140     memset(&out, 0, sizeof(IGnssMeasurementCallback::GnssMeasurement));
141     if (in.flags & GNSS_MEASUREMENTS_DATA_SIGNAL_TO_NOISE_RATIO_BIT)
142         out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_SNR;
143     if (in.flags & GNSS_MEASUREMENTS_DATA_CARRIER_FREQUENCY_BIT)
144         out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_CARRIER_FREQUENCY;
145     if (in.flags & GNSS_MEASUREMENTS_DATA_CARRIER_CYCLES_BIT)
146         out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_CARRIER_CYCLES;
147     if (in.flags & GNSS_MEASUREMENTS_DATA_CARRIER_PHASE_BIT)
148         out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_CARRIER_PHASE;
149     if (in.flags & GNSS_MEASUREMENTS_DATA_CARRIER_PHASE_UNCERTAINTY_BIT)
150         out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_CARRIER_PHASE_UNCERTAINTY;
151     if (in.flags & GNSS_MEASUREMENTS_DATA_AUTOMATIC_GAIN_CONTROL_BIT)
152         out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_AUTOMATIC_GAIN_CONTROL;
153     out.svid = in.svId;
154     convertGnssConstellationType(in.svType, out.constellation);
155     out.timeOffsetNs = in.timeOffsetNs;
156     if (in.stateMask & GNSS_MEASUREMENTS_STATE_CODE_LOCK_BIT)
157         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_CODE_LOCK;
158     if (in.stateMask & GNSS_MEASUREMENTS_STATE_BIT_SYNC_BIT)
159         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_BIT_SYNC;
160     if (in.stateMask & GNSS_MEASUREMENTS_STATE_SUBFRAME_SYNC_BIT)
161         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_SUBFRAME_SYNC;
162     if (in.stateMask & GNSS_MEASUREMENTS_STATE_TOW_DECODED_BIT)
163         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_TOW_DECODED;
164     if (in.stateMask & GNSS_MEASUREMENTS_STATE_MSEC_AMBIGUOUS_BIT)
165         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_MSEC_AMBIGUOUS;
166     if (in.stateMask & GNSS_MEASUREMENTS_STATE_SYMBOL_SYNC_BIT)
167         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_SYMBOL_SYNC;
168     if (in.stateMask & GNSS_MEASUREMENTS_STATE_GLO_STRING_SYNC_BIT)
169         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_GLO_STRING_SYNC;
170     if (in.stateMask & GNSS_MEASUREMENTS_STATE_GLO_TOD_DECODED_BIT)
171         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_GLO_TOD_DECODED;
172     if (in.stateMask & GNSS_MEASUREMENTS_STATE_BDS_D2_BIT_SYNC_BIT)
173         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_BDS_D2_BIT_SYNC;
174     if (in.stateMask & GNSS_MEASUREMENTS_STATE_BDS_D2_SUBFRAME_SYNC_BIT)
175         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_BDS_D2_SUBFRAME_SYNC;
176     if (in.stateMask & GNSS_MEASUREMENTS_STATE_GAL_E1BC_CODE_LOCK_BIT)
177         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_GAL_E1BC_CODE_LOCK;
178     if (in.stateMask & GNSS_MEASUREMENTS_STATE_GAL_E1C_2ND_CODE_LOCK_BIT)
179         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_GAL_E1C_2ND_CODE_LOCK;
180     if (in.stateMask & GNSS_MEASUREMENTS_STATE_GAL_E1B_PAGE_SYNC_BIT)
181         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_GAL_E1B_PAGE_SYNC;
182     if (in.stateMask &  GNSS_MEASUREMENTS_STATE_SBAS_SYNC_BIT)
183         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_SBAS_SYNC;
184     out.receivedSvTimeInNs = in.receivedSvTimeNs;
185     out.receivedSvTimeUncertaintyInNs = in.receivedSvTimeUncertaintyNs;
186     out.cN0DbHz = in.carrierToNoiseDbHz;
187     out.pseudorangeRateMps = in.pseudorangeRateMps;
188     out.pseudorangeRateUncertaintyMps = in.pseudorangeRateUncertaintyMps;
189     if (in.adrStateMask & GNSS_MEASUREMENTS_ACCUMULATED_DELTA_RANGE_STATE_VALID_BIT)
190         out.accumulatedDeltaRangeState |=
191             IGnssMeasurementCallback::GnssAccumulatedDeltaRangeState::ADR_STATE_VALID;
192     if (in.adrStateMask & GNSS_MEASUREMENTS_ACCUMULATED_DELTA_RANGE_STATE_RESET_BIT)
193         out.accumulatedDeltaRangeState |=
194             IGnssMeasurementCallback::GnssAccumulatedDeltaRangeState::ADR_STATE_RESET;
195     if (in.adrStateMask & GNSS_MEASUREMENTS_ACCUMULATED_DELTA_RANGE_STATE_CYCLE_SLIP_BIT)
196         out.accumulatedDeltaRangeState |=
197             IGnssMeasurementCallback::GnssAccumulatedDeltaRangeState::ADR_STATE_CYCLE_SLIP;
198     out.accumulatedDeltaRangeM = in.adrMeters;
199     out.accumulatedDeltaRangeUncertaintyM = in.adrUncertaintyMeters;
200     out.carrierFrequencyHz = in.carrierFrequencyHz;
201     out.carrierCycles = in.carrierCycles;
202     out.carrierPhase = in.carrierPhase;
203     out.carrierPhaseUncertainty = in.carrierPhaseUncertainty;
204     uint8_t indicator =
205         static_cast<uint8_t>(IGnssMeasurementCallback::GnssMultipathIndicator::INDICATOR_UNKNOWN);
206     if (in.multipathIndicator & GNSS_MEASUREMENTS_MULTIPATH_INDICATOR_PRESENT)
207         indicator |= IGnssMeasurementCallback::GnssMultipathIndicator::INDICATOR_PRESENT;
208     if (in.multipathIndicator & GNSS_MEASUREMENTS_MULTIPATH_INDICATOR_NOT_PRESENT)
209         indicator |= IGnssMeasurementCallback::GnssMultipathIndicator::INDICATIOR_NOT_PRESENT;
210     out.multipathIndicator =
211         static_cast<IGnssMeasurementCallback::GnssMultipathIndicator>(indicator);
212     out.snrDb = in.signalToNoiseRatioDb;
213     out.agcLevelDb = in.agcLevelDb;
214 }
215 
convertGnssClock(GnssMeasurementsClock & in,IGnssMeasurementCallback::GnssClock & out)216 static void convertGnssClock(GnssMeasurementsClock& in, IGnssMeasurementCallback::GnssClock& out)
217 {
218     memset(&out, 0, sizeof(IGnssMeasurementCallback::GnssClock));
219     if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_LEAP_SECOND_BIT)
220         out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_LEAP_SECOND;
221     if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_TIME_UNCERTAINTY_BIT)
222         out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_TIME_UNCERTAINTY;
223     if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_FULL_BIAS_BIT)
224         out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_FULL_BIAS;
225     if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_BIAS_BIT)
226         out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_BIAS;
227     if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_BIAS_UNCERTAINTY_BIT)
228         out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_BIAS_UNCERTAINTY;
229     if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_DRIFT_BIT)
230         out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_DRIFT;
231     if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_DRIFT_UNCERTAINTY_BIT)
232         out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_DRIFT_UNCERTAINTY;
233     out.leapSecond = in.leapSecond;
234     out.timeNs = in.timeNs;
235     out.timeUncertaintyNs = in.timeUncertaintyNs;
236     out.fullBiasNs = in.fullBiasNs;
237     out.biasNs = in.biasNs;
238     out.biasUncertaintyNs = in.biasUncertaintyNs;
239     out.driftNsps = in.driftNsps;
240     out.driftUncertaintyNsps = in.driftUncertaintyNsps;
241     out.hwClockDiscontinuityCount = in.hwClockDiscontinuityCount;
242 }
243 
convertGnssData(GnssMeasurementsNotification & in,IGnssMeasurementCallback::GnssData & out)244 static void convertGnssData(GnssMeasurementsNotification& in,
245         IGnssMeasurementCallback::GnssData& out)
246 {
247     out.measurementCount = in.count;
248     if (out.measurementCount > static_cast<uint32_t>(GnssMax::SVS_COUNT)) {
249         LOC_LOGW("%s]: Too many measurement %zd. Clamps to %d.",
250                 __FUNCTION__,  out.measurementCount, GnssMax::SVS_COUNT);
251         out.measurementCount = static_cast<uint32_t>(GnssMax::SVS_COUNT);
252     }
253     for (size_t i = 0; i < out.measurementCount; i++) {
254         convertGnssMeasurement(in.measurements[i], out.measurements[i]);
255     }
256     convertGnssClock(in.clock, out.clock);
257 }
258 
259 }  // namespace implementation
260 }  // namespace V1_0
261 }  // namespace gnss
262 }  // namespace hardware
263 }  // namespace android
264