1 /* Copyright (c) 2017-2018, 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 using ::android::hardware::gnss::V1_0::IGnssMeasurement;
46 using ::android::hardware::gnss::V1_0::IGnssMeasurementCallback;
47 
48 static void convertGnssData(GnssMeasurementsNotification& in,
49         V1_0::IGnssMeasurementCallback::GnssData& out);
50 static void convertGnssMeasurement(GnssMeasurementsData& in,
51         V1_0::IGnssMeasurementCallback::GnssMeasurement& out);
52 static void convertGnssClock(GnssMeasurementsClock& in, IGnssMeasurementCallback::GnssClock& out);
53 
MeasurementAPIClient()54 MeasurementAPIClient::MeasurementAPIClient() :
55     mGnssMeasurementCbIface(nullptr),
56     mTracking(false)
57 {
58     LOC_LOGD("%s]: ()", __FUNCTION__);
59 }
60 
~MeasurementAPIClient()61 MeasurementAPIClient::~MeasurementAPIClient()
62 {
63     LOC_LOGD("%s]: ()", __FUNCTION__);
64 }
65 
66 // for GpsInterface
67 Return<IGnssMeasurement::GnssMeasurementStatus>
measurementSetCallback(const sp<V1_0::IGnssMeasurementCallback> & callback)68 MeasurementAPIClient::measurementSetCallback(const sp<V1_0::IGnssMeasurementCallback>& callback)
69 {
70     LOC_LOGD("%s]: (%p)", __FUNCTION__, &callback);
71 
72     mMutex.lock();
73     mGnssMeasurementCbIface = callback;
74     mMutex.unlock();
75 
76     return startTracking();
77 }
78 
79 Return<IGnssMeasurement::GnssMeasurementStatus>
startTracking()80 MeasurementAPIClient::startTracking()
81 {
82     LocationCallbacks locationCallbacks;
83     memset(&locationCallbacks, 0, sizeof(LocationCallbacks));
84     locationCallbacks.size = sizeof(LocationCallbacks);
85 
86     locationCallbacks.trackingCb = nullptr;
87     locationCallbacks.batchingCb = nullptr;
88     locationCallbacks.geofenceBreachCb = nullptr;
89     locationCallbacks.geofenceStatusCb = nullptr;
90     locationCallbacks.gnssLocationInfoCb = nullptr;
91     locationCallbacks.gnssNiCb = nullptr;
92     locationCallbacks.gnssSvCb = nullptr;
93     locationCallbacks.gnssNmeaCb = nullptr;
94 
95     locationCallbacks.gnssMeasurementsCb = nullptr;
96     if (mGnssMeasurementCbIface != nullptr) {
97         locationCallbacks.gnssMeasurementsCb =
98             [this](GnssMeasurementsNotification gnssMeasurementsNotification) {
99                 onGnssMeasurementsCb(gnssMeasurementsNotification);
100             };
101     }
102 
103     locAPISetCallbacks(locationCallbacks);
104 
105     TrackingOptions options = {};
106     memset(&options, 0, sizeof(TrackingOptions));
107     options.size = sizeof(TrackingOptions);
108     options.minInterval = 1000;
109     options.mode = GNSS_SUPL_MODE_STANDALONE;
110 
111     mTracking = true;
112     LOC_LOGD("%s]: start tracking session", __FUNCTION__);
113     locAPIStartTracking(options);
114     return IGnssMeasurement::GnssMeasurementStatus::SUCCESS;
115 }
116 
117 // for GpsMeasurementInterface
measurementClose()118 void MeasurementAPIClient::measurementClose() {
119     LOC_LOGD("%s]: ()", __FUNCTION__);
120     mTracking = false;
121     locAPIStopTracking();
122 }
123 
124 // callbacks
onGnssMeasurementsCb(GnssMeasurementsNotification gnssMeasurementsNotification)125 void MeasurementAPIClient::onGnssMeasurementsCb(
126         GnssMeasurementsNotification gnssMeasurementsNotification)
127 {
128     LOC_LOGD("%s]: (count: %zu active: %d)",
129             __FUNCTION__, gnssMeasurementsNotification.count, mTracking);
130     if (mTracking) {
131         mMutex.lock();
132         sp<V1_0::IGnssMeasurementCallback> gnssMeasurementCbIface = nullptr;
133         if (mGnssMeasurementCbIface != nullptr) {
134             gnssMeasurementCbIface = mGnssMeasurementCbIface;
135         }
136         mMutex.unlock();
137 
138         if (gnssMeasurementCbIface != nullptr) {
139             V1_0::IGnssMeasurementCallback::GnssData gnssData;
140             convertGnssData(gnssMeasurementsNotification, gnssData);
141             auto r = gnssMeasurementCbIface->GnssMeasurementCb(gnssData);
142             if (!r.isOk()) {
143                 LOC_LOGE("%s] Error from GnssMeasurementCb description=%s",
144                     __func__, r.description().c_str());
145             }
146         }
147     }
148 }
149 
convertGnssMeasurement(GnssMeasurementsData & in,V1_0::IGnssMeasurementCallback::GnssMeasurement & out)150 static void convertGnssMeasurement(GnssMeasurementsData& in,
151         V1_0::IGnssMeasurementCallback::GnssMeasurement& out)
152 {
153     memset(&out, 0, sizeof(IGnssMeasurementCallback::GnssMeasurement));
154     if (in.flags & GNSS_MEASUREMENTS_DATA_SIGNAL_TO_NOISE_RATIO_BIT)
155         out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_SNR;
156     if (in.flags & GNSS_MEASUREMENTS_DATA_CARRIER_FREQUENCY_BIT)
157         out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_CARRIER_FREQUENCY;
158     if (in.flags & GNSS_MEASUREMENTS_DATA_CARRIER_CYCLES_BIT)
159         out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_CARRIER_CYCLES;
160     if (in.flags & GNSS_MEASUREMENTS_DATA_CARRIER_PHASE_BIT)
161         out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_CARRIER_PHASE;
162     if (in.flags & GNSS_MEASUREMENTS_DATA_CARRIER_PHASE_UNCERTAINTY_BIT)
163         out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_CARRIER_PHASE_UNCERTAINTY;
164     if (in.flags & GNSS_MEASUREMENTS_DATA_AUTOMATIC_GAIN_CONTROL_BIT)
165         out.flags |= IGnssMeasurementCallback::GnssMeasurementFlags::HAS_AUTOMATIC_GAIN_CONTROL;
166     out.svid = in.svId;
167     convertGnssConstellationType(in.svType, out.constellation);
168     out.timeOffsetNs = in.timeOffsetNs;
169     if (in.stateMask & GNSS_MEASUREMENTS_STATE_CODE_LOCK_BIT)
170         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_CODE_LOCK;
171     if (in.stateMask & GNSS_MEASUREMENTS_STATE_BIT_SYNC_BIT)
172         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_BIT_SYNC;
173     if (in.stateMask & GNSS_MEASUREMENTS_STATE_SUBFRAME_SYNC_BIT)
174         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_SUBFRAME_SYNC;
175     if (in.stateMask & GNSS_MEASUREMENTS_STATE_TOW_DECODED_BIT)
176         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_TOW_DECODED;
177     if (in.stateMask & GNSS_MEASUREMENTS_STATE_MSEC_AMBIGUOUS_BIT)
178         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_MSEC_AMBIGUOUS;
179     if (in.stateMask & GNSS_MEASUREMENTS_STATE_SYMBOL_SYNC_BIT)
180         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_SYMBOL_SYNC;
181     if (in.stateMask & GNSS_MEASUREMENTS_STATE_GLO_STRING_SYNC_BIT)
182         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_GLO_STRING_SYNC;
183     if (in.stateMask & GNSS_MEASUREMENTS_STATE_GLO_TOD_DECODED_BIT)
184         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_GLO_TOD_DECODED;
185     if (in.stateMask & GNSS_MEASUREMENTS_STATE_BDS_D2_BIT_SYNC_BIT)
186         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_BDS_D2_BIT_SYNC;
187     if (in.stateMask & GNSS_MEASUREMENTS_STATE_BDS_D2_SUBFRAME_SYNC_BIT)
188         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_BDS_D2_SUBFRAME_SYNC;
189     if (in.stateMask & GNSS_MEASUREMENTS_STATE_GAL_E1BC_CODE_LOCK_BIT)
190         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_GAL_E1BC_CODE_LOCK;
191     if (in.stateMask & GNSS_MEASUREMENTS_STATE_GAL_E1C_2ND_CODE_LOCK_BIT)
192         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_GAL_E1C_2ND_CODE_LOCK;
193     if (in.stateMask & GNSS_MEASUREMENTS_STATE_GAL_E1B_PAGE_SYNC_BIT)
194         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_GAL_E1B_PAGE_SYNC;
195     if (in.stateMask &  GNSS_MEASUREMENTS_STATE_SBAS_SYNC_BIT)
196         out.state |= IGnssMeasurementCallback::GnssMeasurementState::STATE_SBAS_SYNC;
197     out.receivedSvTimeInNs = in.receivedSvTimeNs;
198     out.receivedSvTimeUncertaintyInNs = in.receivedSvTimeUncertaintyNs;
199     out.cN0DbHz = in.carrierToNoiseDbHz;
200     out.pseudorangeRateMps = in.pseudorangeRateMps;
201     out.pseudorangeRateUncertaintyMps = in.pseudorangeRateUncertaintyMps;
202     if (in.adrStateMask & GNSS_MEASUREMENTS_ACCUMULATED_DELTA_RANGE_STATE_VALID_BIT)
203         out.accumulatedDeltaRangeState |=
204             IGnssMeasurementCallback::GnssAccumulatedDeltaRangeState::ADR_STATE_VALID;
205     if (in.adrStateMask & GNSS_MEASUREMENTS_ACCUMULATED_DELTA_RANGE_STATE_RESET_BIT)
206         out.accumulatedDeltaRangeState |=
207             IGnssMeasurementCallback::GnssAccumulatedDeltaRangeState::ADR_STATE_RESET;
208     if (in.adrStateMask & GNSS_MEASUREMENTS_ACCUMULATED_DELTA_RANGE_STATE_CYCLE_SLIP_BIT)
209         out.accumulatedDeltaRangeState |=
210             IGnssMeasurementCallback::GnssAccumulatedDeltaRangeState::ADR_STATE_CYCLE_SLIP;
211     out.accumulatedDeltaRangeM = in.adrMeters;
212     out.accumulatedDeltaRangeUncertaintyM = in.adrUncertaintyMeters;
213     out.carrierFrequencyHz = in.carrierFrequencyHz;
214     out.carrierCycles = in.carrierCycles;
215     out.carrierPhase = in.carrierPhase;
216     out.carrierPhaseUncertainty = in.carrierPhaseUncertainty;
217     uint8_t indicator =
218         static_cast<uint8_t>(IGnssMeasurementCallback::GnssMultipathIndicator::INDICATOR_UNKNOWN);
219     if (in.multipathIndicator & GNSS_MEASUREMENTS_MULTIPATH_INDICATOR_PRESENT)
220         indicator |= IGnssMeasurementCallback::GnssMultipathIndicator::INDICATOR_PRESENT;
221     if (in.multipathIndicator & GNSS_MEASUREMENTS_MULTIPATH_INDICATOR_NOT_PRESENT)
222         indicator |= IGnssMeasurementCallback::GnssMultipathIndicator::INDICATIOR_NOT_PRESENT;
223     out.multipathIndicator =
224         static_cast<IGnssMeasurementCallback::GnssMultipathIndicator>(indicator);
225     out.snrDb = in.signalToNoiseRatioDb;
226     out.agcLevelDb = in.agcLevelDb;
227 }
228 
convertGnssClock(GnssMeasurementsClock & in,IGnssMeasurementCallback::GnssClock & out)229 static void convertGnssClock(GnssMeasurementsClock& in, IGnssMeasurementCallback::GnssClock& out)
230 {
231     memset(&out, 0, sizeof(IGnssMeasurementCallback::GnssClock));
232     if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_LEAP_SECOND_BIT)
233         out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_LEAP_SECOND;
234     if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_TIME_UNCERTAINTY_BIT)
235         out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_TIME_UNCERTAINTY;
236     if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_FULL_BIAS_BIT)
237         out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_FULL_BIAS;
238     if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_BIAS_BIT)
239         out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_BIAS;
240     if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_BIAS_UNCERTAINTY_BIT)
241         out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_BIAS_UNCERTAINTY;
242     if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_DRIFT_BIT)
243         out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_DRIFT;
244     if (in.flags & GNSS_MEASUREMENTS_CLOCK_FLAGS_DRIFT_UNCERTAINTY_BIT)
245         out.gnssClockFlags |= IGnssMeasurementCallback::GnssClockFlags::HAS_DRIFT_UNCERTAINTY;
246     out.leapSecond = in.leapSecond;
247     out.timeNs = in.timeNs;
248     out.timeUncertaintyNs = in.timeUncertaintyNs;
249     out.fullBiasNs = in.fullBiasNs;
250     out.biasNs = in.biasNs;
251     out.biasUncertaintyNs = in.biasUncertaintyNs;
252     out.driftNsps = in.driftNsps;
253     out.driftUncertaintyNsps = in.driftUncertaintyNsps;
254     out.hwClockDiscontinuityCount = in.hwClockDiscontinuityCount;
255 }
256 
convertGnssData(GnssMeasurementsNotification & in,V1_0::IGnssMeasurementCallback::GnssData & out)257 static void convertGnssData(GnssMeasurementsNotification& in,
258         V1_0::IGnssMeasurementCallback::GnssData& out)
259 {
260     out.measurementCount = in.count;
261     if (out.measurementCount > static_cast<uint32_t>(V1_0::GnssMax::SVS_COUNT)) {
262         LOC_LOGW("%s]: Too many measurement %u. Clamps to %d.",
263                 __FUNCTION__,  out.measurementCount, V1_0::GnssMax::SVS_COUNT);
264         out.measurementCount = static_cast<uint32_t>(V1_0::GnssMax::SVS_COUNT);
265     }
266     for (size_t i = 0; i < out.measurementCount; i++) {
267         convertGnssMeasurement(in.measurements[i], out.measurements[i]);
268     }
269     convertGnssClock(in.clock, out.clock);
270 }
271 
272 }  // namespace implementation
273 }  // namespace V1_0
274 }  // namespace gnss
275 }  // namespace hardware
276 }  // namespace android
277