| /* |
| * Copyright (C) 2016 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. |
| */ |
| |
| #define LOG_TAG "GnssHAL_GnssInterface" |
| |
| #include "Gnss.h" |
| #include <GnssUtils.h> |
| |
| namespace android { |
| namespace hardware { |
| namespace gnss { |
| namespace V1_0 { |
| namespace implementation { |
| |
| std::vector<std::unique_ptr<ThreadFuncArgs>> Gnss::sThreadFuncArgsList; |
| sp<IGnssCallback> Gnss::sGnssCbIface = nullptr; |
| bool Gnss::sInterfaceExists = false; |
| bool Gnss::sWakelockHeldGnss = false; |
| bool Gnss::sWakelockHeldFused = false; |
| |
| GpsCallbacks Gnss::sGnssCb = { |
| .size = sizeof(GpsCallbacks), |
| .location_cb = locationCb, |
| .status_cb = statusCb, |
| .sv_status_cb = gpsSvStatusCb, |
| .nmea_cb = nmeaCb, |
| .set_capabilities_cb = setCapabilitiesCb, |
| .acquire_wakelock_cb = acquireWakelockCb, |
| .release_wakelock_cb = releaseWakelockCb, |
| .create_thread_cb = createThreadCb, |
| .request_utc_time_cb = requestUtcTimeCb, |
| .set_system_info_cb = setSystemInfoCb, |
| .gnss_sv_status_cb = gnssSvStatusCb, |
| }; |
| |
| uint32_t Gnss::sCapabilitiesCached = 0; |
| uint16_t Gnss::sYearOfHwCached = 0; |
| |
| Gnss::Gnss(gps_device_t* gnssDevice) : |
| mDeathRecipient(new GnssHidlDeathRecipient(this)) { |
| /* Error out if an instance of the interface already exists. */ |
| LOG_ALWAYS_FATAL_IF(sInterfaceExists); |
| sInterfaceExists = true; |
| |
| if (gnssDevice == nullptr) { |
| ALOGE("%s: Invalid device_t handle", __func__); |
| return; |
| } |
| |
| mGnssIface = gnssDevice->get_gps_interface(gnssDevice); |
| } |
| |
| Gnss::~Gnss() { |
| sInterfaceExists = false; |
| sThreadFuncArgsList.clear(); |
| } |
| |
| void Gnss::locationCb(GpsLocation* location) { |
| if (sGnssCbIface == nullptr) { |
| ALOGE("%s: GNSS Callback Interface configured incorrectly", __func__); |
| return; |
| } |
| |
| if (location == nullptr) { |
| ALOGE("%s: Invalid location from GNSS HAL", __func__); |
| return; |
| } |
| |
| android::hardware::gnss::V1_0::GnssLocation gnssLocation = convertToGnssLocation(location); |
| auto ret = sGnssCbIface->gnssLocationCb(gnssLocation); |
| if (!ret.isOk()) { |
| ALOGE("%s: Unable to invoke callback", __func__); |
| } |
| } |
| |
| void Gnss::statusCb(GpsStatus* gnssStatus) { |
| if (sGnssCbIface == nullptr) { |
| ALOGE("%s: GNSS Callback Interface configured incorrectly", __func__); |
| return; |
| } |
| |
| if (gnssStatus == nullptr) { |
| ALOGE("%s: Invalid GpsStatus from GNSS HAL", __func__); |
| return; |
| } |
| |
| IGnssCallback::GnssStatusValue status = |
| static_cast<IGnssCallback::GnssStatusValue>(gnssStatus->status); |
| |
| auto ret = sGnssCbIface->gnssStatusCb(status); |
| if (!ret.isOk()) { |
| ALOGE("%s: Unable to invoke callback", __func__); |
| } |
| } |
| |
| void Gnss::gnssSvStatusCb(GnssSvStatus* status) { |
| if (sGnssCbIface == nullptr) { |
| ALOGE("%s: GNSS Callback Interface configured incorrectly", __func__); |
| return; |
| } |
| |
| if (status == nullptr) { |
| ALOGE("Invalid status from GNSS HAL %s", __func__); |
| return; |
| } |
| |
| IGnssCallback::GnssSvStatus svStatus; |
| svStatus.numSvs = status->num_svs; |
| |
| if (svStatus.numSvs > static_cast<uint32_t>(GnssMax::SVS_COUNT)) { |
| ALOGW("Too many satellites %u. Clamps to %d.", svStatus.numSvs, GnssMax::SVS_COUNT); |
| svStatus.numSvs = static_cast<uint32_t>(GnssMax::SVS_COUNT); |
| } |
| |
| for (size_t i = 0; i < svStatus.numSvs; i++) { |
| auto svInfo = status->gnss_sv_list[i]; |
| IGnssCallback::GnssSvInfo gnssSvInfo = { |
| .svid = svInfo.svid, |
| .constellation = static_cast< |
| android::hardware::gnss::V1_0::GnssConstellationType>( |
| svInfo.constellation), |
| .cN0Dbhz = svInfo.c_n0_dbhz, |
| .elevationDegrees = svInfo.elevation, |
| .azimuthDegrees = svInfo.azimuth, |
| // Older chipsets do not provide carrier frequency, hence |
| // HAS_CARRIER_FREQUENCY flag and the carrierFrequencyHz fields |
| // are not set. So we are resetting both fields here. |
| .svFlag = static_cast<uint8_t>( |
| svInfo.flags &= ~(static_cast<uint8_t>( |
| IGnssCallback::GnssSvFlags::HAS_CARRIER_FREQUENCY))), |
| .carrierFrequencyHz = 0}; |
| svStatus.gnssSvList[i] = gnssSvInfo; |
| } |
| |
| auto ret = sGnssCbIface->gnssSvStatusCb(svStatus); |
| if (!ret.isOk()) { |
| ALOGE("%s: Unable to invoke callback", __func__); |
| } |
| } |
| |
| /* |
| * This enum is used by gpsSvStatusCb() method below to convert GpsSvStatus |
| * to GnssSvStatus for backward compatibility. It is only used by the default |
| * implementation and is not part of the GNSS interface. |
| */ |
| enum SvidValues : uint16_t { |
| GLONASS_SVID_OFFSET = 64, |
| GLONASS_SVID_COUNT = 24, |
| BEIDOU_SVID_OFFSET = 200, |
| BEIDOU_SVID_COUNT = 35, |
| SBAS_SVID_MIN = 33, |
| SBAS_SVID_MAX = 64, |
| SBAS_SVID_ADD = 87, |
| QZSS_SVID_MIN = 193, |
| QZSS_SVID_MAX = 200 |
| }; |
| |
| /* |
| * The following code that converts GpsSvStatus to GnssSvStatus is moved here from |
| * GnssLocationProvider. GnssLocationProvider does not require it anymore since GpsSvStatus is |
| * being deprecated and is no longer part of the GNSS interface. |
| */ |
| void Gnss::gpsSvStatusCb(GpsSvStatus* svInfo) { |
| if (sGnssCbIface == nullptr) { |
| ALOGE("%s: GNSS Callback Interface configured incorrectly", __func__); |
| return; |
| } |
| |
| if (svInfo == nullptr) { |
| ALOGE("Invalid status from GNSS HAL %s", __func__); |
| return; |
| } |
| |
| IGnssCallback::GnssSvStatus svStatus; |
| svStatus.numSvs = svInfo->num_svs; |
| /* |
| * Clamp the list size since GnssSvStatus can support a maximum of |
| * GnssMax::SVS_COUNT entries. |
| */ |
| if (svStatus.numSvs > static_cast<uint32_t>(GnssMax::SVS_COUNT)) { |
| ALOGW("Too many satellites %u. Clamps to %d.", svStatus.numSvs, GnssMax::SVS_COUNT); |
| svStatus.numSvs = static_cast<uint32_t>(GnssMax::SVS_COUNT); |
| } |
| |
| uint32_t ephemerisMask = svInfo->ephemeris_mask; |
| uint32_t almanacMask = svInfo->almanac_mask; |
| uint32_t usedInFixMask = svInfo->used_in_fix_mask; |
| // Our HALs report a bigger svinfo struct, HaxxSvStatus, which includes a GLONASS and |
| // a Beidou usage mask |
| uint32_t gloUsedInFixMask = *(&(svInfo->used_in_fix_mask) + 1); // the next int |
| uint64_t bdsUsedInFixMask = *(&(svInfo->used_in_fix_mask) + 2); // the next int |
| /* |
| * Conversion from GpsSvInfo to IGnssCallback::GnssSvInfo happens below. |
| */ |
| for (size_t i = 0; i < svStatus.numSvs; i++) { |
| IGnssCallback::GnssSvInfo& info = svStatus.gnssSvList[i]; |
| info.svid = svInfo->sv_list[i].prn; |
| if (info.svid >= 1 && info.svid <= 32) { |
| info.constellation = GnssConstellationType::GPS; |
| } else if (info.svid > GLONASS_SVID_OFFSET && |
| info.svid <= GLONASS_SVID_OFFSET + GLONASS_SVID_COUNT) { |
| info.constellation = GnssConstellationType::GLONASS; |
| info.svid -= GLONASS_SVID_OFFSET; |
| } else if (info.svid > BEIDOU_SVID_OFFSET && |
| info.svid <= BEIDOU_SVID_OFFSET + BEIDOU_SVID_COUNT) { |
| info.constellation = GnssConstellationType::BEIDOU; |
| info.svid -= BEIDOU_SVID_OFFSET; |
| } else if (info.svid >= SBAS_SVID_MIN && info.svid <= SBAS_SVID_MAX) { |
| info.constellation = GnssConstellationType::SBAS; |
| info.svid += SBAS_SVID_ADD; |
| } else if (info.svid >= QZSS_SVID_MIN && info.svid <= QZSS_SVID_MAX) { |
| info.constellation = GnssConstellationType::QZSS; |
| } else { |
| ALOGD("Unknown constellation type with Svid = %d.", info.svid); |
| info.constellation = GnssConstellationType::UNKNOWN; |
| } |
| |
| info.cN0Dbhz = svInfo->sv_list[i].snr; |
| info.elevationDegrees = svInfo->sv_list[i].elevation; |
| info.azimuthDegrees = svInfo->sv_list[i].azimuth; |
| // TODO: b/31702236 |
| info.svFlag = static_cast<uint8_t>(IGnssCallback::GnssSvFlags::NONE); |
| |
| /* |
| * GPS, GLONASS and Beidou info is valid for these fields, as these masks |
| * are just 32/64 bits, by GPS prn, another for GLONASS prn and another |
| * for Beidou prn. |
| */ |
| if (info.constellation == GnssConstellationType::GPS || |
| info.constellation == GnssConstellationType::GLONASS || |
| info.constellation == GnssConstellationType::BEIDOU) { |
| int32_t svidMask = (1 << (info.svid - 1)); |
| if ((ephemerisMask & svidMask) != 0) { |
| info.svFlag |= IGnssCallback::GnssSvFlags::HAS_EPHEMERIS_DATA; |
| } |
| if ((almanacMask & svidMask) != 0) { |
| info.svFlag |= IGnssCallback::GnssSvFlags::HAS_ALMANAC_DATA; |
| } |
| if ((info.constellation == GnssConstellationType::GPS && |
| (usedInFixMask & svidMask) != 0) || |
| (info.constellation == GnssConstellationType::GLONASS && |
| (gloUsedInFixMask & svidMask) != 0) || |
| (info.constellation == GnssConstellationType::BEIDOU && |
| (bdsUsedInFixMask & svidMask) != 0)) { |
| info.svFlag |= IGnssCallback::GnssSvFlags::USED_IN_FIX; |
| } |
| } |
| } |
| |
| auto ret = sGnssCbIface->gnssSvStatusCb(svStatus); |
| if (!ret.isOk()) { |
| ALOGE("%s: Unable to invoke callback", __func__); |
| } |
| } |
| |
| void Gnss::nmeaCb(GpsUtcTime timestamp, const char* nmea, int length) { |
| if (sGnssCbIface == nullptr) { |
| ALOGE("%s: GNSS Callback Interface configured incorrectly", __func__); |
| return; |
| } |
| |
| android::hardware::hidl_string nmeaString; |
| nmeaString.setToExternal(nmea, length); |
| auto ret = sGnssCbIface->gnssNmeaCb(timestamp, nmeaString); |
| if (!ret.isOk()) { |
| ALOGE("%s: Unable to invoke callback", __func__); |
| } |
| } |
| |
| void Gnss::setCapabilitiesCb(uint32_t capabilities) { |
| if (sGnssCbIface == nullptr) { |
| ALOGE("%s: GNSS Callback Interface configured incorrectly", __func__); |
| return; |
| } |
| |
| auto ret = sGnssCbIface->gnssSetCapabilitesCb(capabilities); |
| if (!ret.isOk()) { |
| ALOGE("%s: Unable to invoke callback", __func__); |
| } |
| |
| // Save for reconnection when some legacy hal's don't resend this info |
| sCapabilitiesCached = capabilities; |
| } |
| |
| void Gnss::acquireWakelockCb() { |
| acquireWakelockGnss(); |
| } |
| |
| void Gnss::releaseWakelockCb() { |
| releaseWakelockGnss(); |
| } |
| |
| |
| void Gnss::acquireWakelockGnss() { |
| sWakelockHeldGnss = true; |
| updateWakelock(); |
| } |
| |
| void Gnss::releaseWakelockGnss() { |
| sWakelockHeldGnss = false; |
| updateWakelock(); |
| } |
| |
| void Gnss::acquireWakelockFused() { |
| sWakelockHeldFused = true; |
| updateWakelock(); |
| } |
| |
| void Gnss::releaseWakelockFused() { |
| sWakelockHeldFused = false; |
| updateWakelock(); |
| } |
| |
| void Gnss::updateWakelock() { |
| // Track the state of the last request - in case the wake lock in the layer above is reference |
| // counted. |
| static bool sWakelockHeld = false; |
| |
| if (sGnssCbIface == nullptr) { |
| ALOGE("%s: GNSS Callback Interface configured incorrectly", __func__); |
| return; |
| } |
| |
| if (sWakelockHeldGnss || sWakelockHeldFused) { |
| if (!sWakelockHeld) { |
| ALOGI("%s: GNSS HAL Wakelock acquired due to gps: %d, fused: %d", __func__, |
| sWakelockHeldGnss, sWakelockHeldFused); |
| sWakelockHeld = true; |
| auto ret = sGnssCbIface->gnssAcquireWakelockCb(); |
| if (!ret.isOk()) { |
| ALOGE("%s: Unable to invoke callback", __func__); |
| } |
| } |
| } else { |
| if (sWakelockHeld) { |
| ALOGI("%s: GNSS HAL Wakelock released", __func__); |
| } else { |
| // To avoid burning power, always release, even if logic got here with sWakelock false |
| // which it shouldn't, unless underlying *.h implementation makes duplicate requests. |
| ALOGW("%s: GNSS HAL Wakelock released, duplicate request", __func__); |
| } |
| sWakelockHeld = false; |
| auto ret = sGnssCbIface->gnssReleaseWakelockCb(); |
| if (!ret.isOk()) { |
| ALOGE("%s: Unable to invoke callback", __func__); |
| } |
| } |
| } |
| |
| void Gnss::requestUtcTimeCb() { |
| if (sGnssCbIface == nullptr) { |
| ALOGE("%s: GNSS Callback Interface configured incorrectly", __func__); |
| return; |
| } |
| |
| auto ret = sGnssCbIface->gnssRequestTimeCb(); |
| if (!ret.isOk()) { |
| ALOGE("%s: Unable to invoke callback", __func__); |
| } |
| } |
| |
| pthread_t Gnss::createThreadCb(const char* name, void (*start)(void*), void* arg) { |
| return createPthread(name, start, arg, &sThreadFuncArgsList); |
| } |
| |
| void Gnss::setSystemInfoCb(const LegacyGnssSystemInfo* info) { |
| if (sGnssCbIface == nullptr) { |
| ALOGE("%s: GNSS Callback Interface configured incorrectly", __func__); |
| return; |
| } |
| |
| if (info == nullptr) { |
| ALOGE("Invalid GnssSystemInfo from GNSS HAL %s", __func__); |
| return; |
| } |
| |
| IGnssCallback::GnssSystemInfo gnssInfo = { |
| .yearOfHw = info->year_of_hw |
| }; |
| |
| auto ret = sGnssCbIface->gnssSetSystemInfoCb(gnssInfo); |
| if (!ret.isOk()) { |
| ALOGE("%s: Unable to invoke callback", __func__); |
| } |
| |
| // Save for reconnection when some legacy hal's don't resend this info |
| sYearOfHwCached = info->year_of_hw; |
| } |
| |
| |
| // Methods from ::android::hardware::gnss::V1_0::IGnss follow. |
| Return<bool> Gnss::setCallback(const sp<IGnssCallback>& callback) { |
| if (mGnssIface == nullptr) { |
| ALOGE("%s: Gnss interface is unavailable", __func__); |
| return false; |
| } |
| |
| if (callback == nullptr) { |
| ALOGE("%s: Null callback ignored", __func__); |
| return false; |
| } |
| |
| if (sGnssCbIface != NULL) { |
| ALOGW("%s called more than once. Unexpected unless test.", __func__); |
| sGnssCbIface->unlinkToDeath(mDeathRecipient); |
| } |
| |
| sGnssCbIface = callback; |
| callback->linkToDeath(mDeathRecipient, 0 /*cookie*/); |
| |
| // If this was received in the past, send it up again to refresh caller. |
| // mGnssIface will override after init() is called below, if needed |
| // (though it's unlikely the gps.h capabilities or system info will change.) |
| if (sCapabilitiesCached != 0) { |
| setCapabilitiesCb(sCapabilitiesCached); |
| } |
| if (sYearOfHwCached != 0) { |
| LegacyGnssSystemInfo info; |
| info.year_of_hw = sYearOfHwCached; |
| setSystemInfoCb(&info); |
| } |
| |
| return (mGnssIface->init(&sGnssCb) == 0); |
| } |
| |
| Return<bool> Gnss::start() { |
| if (mGnssIface == nullptr) { |
| ALOGE("%s: Gnss interface is unavailable", __func__); |
| return false; |
| } |
| |
| return (mGnssIface->start() == 0); |
| } |
| |
| Return<bool> Gnss::stop() { |
| if (mGnssIface == nullptr) { |
| ALOGE("%s: Gnss interface is unavailable", __func__); |
| return false; |
| } |
| |
| return (mGnssIface->stop() == 0); |
| } |
| |
| Return<void> Gnss::cleanup() { |
| if (mGnssIface == nullptr) { |
| ALOGE("%s: Gnss interface is unavailable", __func__); |
| } else { |
| mGnssIface->cleanup(); |
| } |
| return Void(); |
| } |
| |
| Return<bool> Gnss::injectLocation(double latitudeDegrees, |
| double longitudeDegrees, |
| float accuracyMeters) { |
| if (mGnssIface == nullptr) { |
| ALOGE("%s: Gnss interface is unavailable", __func__); |
| return false; |
| } |
| |
| return (mGnssIface->inject_location(latitudeDegrees, longitudeDegrees, accuracyMeters) == 0); |
| } |
| |
| Return<bool> Gnss::injectTime(int64_t timeMs, int64_t timeReferenceMs, |
| int32_t uncertaintyMs) { |
| if (mGnssIface == nullptr) { |
| ALOGE("%s: Gnss interface is unavailable", __func__); |
| return false; |
| } |
| |
| return (mGnssIface->inject_time(timeMs, timeReferenceMs, uncertaintyMs) == 0); |
| } |
| |
| Return<void> Gnss::deleteAidingData(IGnss::GnssAidingData aidingDataFlags) { |
| if (mGnssIface == nullptr) { |
| ALOGE("%s: Gnss interface is unavailable", __func__); |
| } else { |
| mGnssIface->delete_aiding_data(static_cast<GpsAidingData>(aidingDataFlags)); |
| } |
| return Void(); |
| } |
| |
| Return<bool> Gnss::setPositionMode(IGnss::GnssPositionMode mode, |
| IGnss::GnssPositionRecurrence recurrence, |
| uint32_t minIntervalMs, |
| uint32_t preferredAccuracyMeters, |
| uint32_t preferredTimeMs) { |
| if (mGnssIface == nullptr) { |
| ALOGE("%s: Gnss interface is unavailable", __func__); |
| return false; |
| } |
| |
| return (mGnssIface->set_position_mode(static_cast<GpsPositionMode>(mode), |
| static_cast<GpsPositionRecurrence>(recurrence), |
| minIntervalMs, |
| preferredAccuracyMeters, |
| preferredTimeMs) == 0); |
| } |
| |
| Return<sp<IAGnssRil>> Gnss::getExtensionAGnssRil() { |
| if (mGnssIface == nullptr) { |
| ALOGE("%s: Gnss interface is unavailable", __func__); |
| return nullptr; |
| } |
| |
| if (mGnssRil == nullptr) { |
| const AGpsRilInterface* agpsRilIface = static_cast<const AGpsRilInterface*>( |
| mGnssIface->get_extension(AGPS_RIL_INTERFACE)); |
| if (agpsRilIface == nullptr) { |
| ALOGI("%s: GnssRil interface not implemented by HAL", __func__); |
| } else { |
| mGnssRil = new AGnssRil(agpsRilIface); |
| } |
| } |
| return mGnssRil; |
| } |
| |
| Return<sp<IGnssConfiguration>> Gnss::getExtensionGnssConfiguration() { |
| if (mGnssIface == nullptr) { |
| ALOGE("%s: Gnss interface is unavailable", __func__); |
| return nullptr; |
| } |
| |
| if (mGnssConfig == nullptr) { |
| const GnssConfigurationInterface* gnssConfigIface = |
| static_cast<const GnssConfigurationInterface*>( |
| mGnssIface->get_extension(GNSS_CONFIGURATION_INTERFACE)); |
| |
| if (gnssConfigIface == nullptr) { |
| ALOGE("%s: GnssConfiguration interface not implemented by HAL", __func__); |
| } else { |
| mGnssConfig = new GnssConfiguration(gnssConfigIface); |
| } |
| } |
| return mGnssConfig; |
| } |
| |
| Return<sp<IGnssGeofencing>> Gnss::getExtensionGnssGeofencing() { |
| if (mGnssIface == nullptr) { |
| ALOGE("%s: Gnss interface is unavailable", __func__); |
| return nullptr; |
| } |
| |
| if (mGnssGeofencingIface == nullptr) { |
| const GpsGeofencingInterface* gpsGeofencingIface = |
| static_cast<const GpsGeofencingInterface*>( |
| mGnssIface->get_extension(GPS_GEOFENCING_INTERFACE)); |
| |
| if (gpsGeofencingIface == nullptr) { |
| ALOGE("%s: GnssGeofencing interface not implemented by HAL", __func__); |
| } else { |
| mGnssGeofencingIface = new GnssGeofencing(gpsGeofencingIface); |
| } |
| } |
| |
| return mGnssGeofencingIface; |
| } |
| |
| Return<sp<IAGnss>> Gnss::getExtensionAGnss() { |
| if (mGnssIface == nullptr) { |
| ALOGE("%s: Gnss interface is unavailable", __func__); |
| return nullptr; |
| } |
| |
| if (mAGnssIface == nullptr) { |
| const AGpsInterface* agpsIface = static_cast<const AGpsInterface*>( |
| mGnssIface->get_extension(AGPS_INTERFACE)); |
| if (agpsIface == nullptr) { |
| ALOGE("%s: AGnss interface not implemented by HAL", __func__); |
| } else { |
| mAGnssIface = new AGnss(agpsIface); |
| } |
| } |
| return mAGnssIface; |
| } |
| |
| Return<sp<IGnssNi>> Gnss::getExtensionGnssNi() { |
| if (mGnssIface == nullptr) { |
| ALOGE("%s: Gnss interface is unavailable", __func__); |
| return nullptr; |
| } |
| |
| if (mGnssNi == nullptr) { |
| const GpsNiInterface* gpsNiIface = static_cast<const GpsNiInterface*>( |
| mGnssIface->get_extension(GPS_NI_INTERFACE)); |
| if (gpsNiIface == nullptr) { |
| ALOGI("%s: GnssNi interface not implemented by HAL", __func__); |
| } else { |
| mGnssNi = new GnssNi(gpsNiIface); |
| } |
| } |
| return mGnssNi; |
| } |
| |
| Return<sp<IGnssMeasurement>> Gnss::getExtensionGnssMeasurement() { |
| if (mGnssIface == nullptr) { |
| ALOGE("%s: Gnss interface is unavailable", __func__); |
| return nullptr; |
| } |
| |
| if (mGnssMeasurement == nullptr) { |
| const GpsMeasurementInterface* gpsMeasurementIface = |
| static_cast<const GpsMeasurementInterface*>( |
| mGnssIface->get_extension(GPS_MEASUREMENT_INTERFACE)); |
| |
| if (gpsMeasurementIface == nullptr) { |
| ALOGE("%s: GnssMeasurement interface not implemented by HAL", __func__); |
| } else { |
| mGnssMeasurement = new GnssMeasurement(gpsMeasurementIface); |
| } |
| } |
| return mGnssMeasurement; |
| } |
| |
| Return<sp<IGnssNavigationMessage>> Gnss::getExtensionGnssNavigationMessage() { |
| if (mGnssIface == nullptr) { |
| ALOGE("%s: Gnss interface is unavailable", __func__); |
| return nullptr; |
| } |
| |
| if (mGnssNavigationMessage == nullptr) { |
| const GpsNavigationMessageInterface* gpsNavigationMessageIface = |
| static_cast<const GpsNavigationMessageInterface*>( |
| mGnssIface->get_extension(GPS_NAVIGATION_MESSAGE_INTERFACE)); |
| |
| if (gpsNavigationMessageIface == nullptr) { |
| ALOGI("%s: GnssNavigationMessage interface not implemented by HAL", __func__); |
| } else { |
| mGnssNavigationMessage = new GnssNavigationMessage(gpsNavigationMessageIface); |
| } |
| } |
| |
| return mGnssNavigationMessage; |
| } |
| |
| Return<sp<IGnssXtra>> Gnss::getExtensionXtra() { |
| if (mGnssIface == nullptr) { |
| ALOGE("%s: Gnss interface is unavailable", __func__); |
| return nullptr; |
| } |
| |
| if (mGnssXtraIface == nullptr) { |
| const GpsXtraInterface* gpsXtraIface = static_cast<const GpsXtraInterface*>( |
| mGnssIface->get_extension(GPS_XTRA_INTERFACE)); |
| |
| if (gpsXtraIface == nullptr) { |
| ALOGI("%s: GnssXtra interface not implemented by HAL", __func__); |
| } else { |
| mGnssXtraIface = new GnssXtra(gpsXtraIface); |
| } |
| } |
| |
| return mGnssXtraIface; |
| } |
| |
| Return<sp<IGnssDebug>> Gnss::getExtensionGnssDebug() { |
| if (mGnssIface == nullptr) { |
| ALOGE("%s: Gnss interface is unavailable", __func__); |
| return nullptr; |
| } |
| |
| if (mGnssDebug == nullptr) { |
| const GpsDebugInterface* gpsDebugIface = static_cast<const GpsDebugInterface*>( |
| mGnssIface->get_extension(GPS_DEBUG_INTERFACE)); |
| |
| if (gpsDebugIface == nullptr) { |
| ALOGI("%s: GnssDebug interface not implemented by HAL", __func__); |
| } else { |
| mGnssDebug = new GnssDebug(gpsDebugIface); |
| } |
| } |
| |
| return mGnssDebug; |
| } |
| |
| Return<sp<IGnssBatching>> Gnss::getExtensionGnssBatching() { |
| if (mGnssIface == nullptr) { |
| ALOGE("%s: Gnss interface is unavailable", __func__); |
| return nullptr; |
| } |
| |
| if (mGnssBatching == nullptr) { |
| hw_module_t* module; |
| const FlpLocationInterface* flpLocationIface = nullptr; |
| int err = hw_get_module(FUSED_LOCATION_HARDWARE_MODULE_ID, (hw_module_t const**)&module); |
| |
| if (err != 0) { |
| ALOGE("gnss flp hw_get_module failed: %d", err); |
| } else if (module == nullptr) { |
| ALOGE("Fused Location hw_get_module returned null module"); |
| } else if (module->methods == nullptr) { |
| ALOGE("Fused Location hw_get_module returned null methods"); |
| } else { |
| hw_device_t* device; |
| err = module->methods->open(module, FUSED_LOCATION_HARDWARE_MODULE_ID, &device); |
| if (err != 0) { |
| ALOGE("flpDevice open failed: %d", err); |
| } else { |
| flp_device_t * flpDevice = reinterpret_cast<flp_device_t*>(device); |
| flpLocationIface = flpDevice->get_flp_interface(flpDevice); |
| } |
| } |
| |
| if (flpLocationIface == nullptr) { |
| ALOGE("%s: GnssBatching interface is not implemented by HAL", __func__); |
| } else { |
| mGnssBatching = new GnssBatching(flpLocationIface); |
| } |
| } |
| return mGnssBatching; |
| } |
| |
| void Gnss::handleHidlDeath() { |
| ALOGW("GNSS service noticed HIDL death. Stopping all GNSS operations."); |
| |
| // commands down to the HAL implementation |
| stop(); // stop ongoing GPS tracking |
| if (mGnssMeasurement != nullptr) { |
| mGnssMeasurement->close(); |
| } |
| if (mGnssNavigationMessage != nullptr) { |
| mGnssNavigationMessage->close(); |
| } |
| if (mGnssBatching != nullptr) { |
| mGnssBatching->stop(); |
| mGnssBatching->cleanup(); |
| } |
| cleanup(); |
| |
| /* |
| * This has died, so close it off in case (race condition) callbacks happen |
| * before HAL processes above messages. |
| */ |
| sGnssCbIface = nullptr; |
| } |
| |
| IGnss* HIDL_FETCH_IGnss(const char* /* hal */) { |
| hw_module_t* module; |
| IGnss* iface = nullptr; |
| int err = hw_get_module(GPS_HARDWARE_MODULE_ID, (hw_module_t const**)&module); |
| |
| if (err == 0) { |
| hw_device_t* device; |
| err = module->methods->open(module, GPS_HARDWARE_MODULE_ID, &device); |
| if (err == 0) { |
| iface = new Gnss(reinterpret_cast<gps_device_t*>(device)); |
| } else { |
| ALOGE("gnssDevice open %s failed: %d", GPS_HARDWARE_MODULE_ID, err); |
| } |
| } else { |
| ALOGE("gnss hw_get_module %s failed: %d", GPS_HARDWARE_MODULE_ID, err); |
| } |
| return iface; |
| } |
| |
| } // namespace implementation |
| } // namespace V1_0 |
| } // namespace gnss |
| } // namespace hardware |
| } // namespace android |