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#define LOG_TAG "Gnss"
#include "Gnss.h"
#include <android/hardware/gnss/1.0/types.h>
#include <log/log.h>
#include "Constants.h"
#include "GnssDebug.h"
#include "GnssMeasurement.h"
#include "Utils.h"
namespace android {
namespace hardware {
namespace gnss {
namespace V1_1 {
namespace implementation {
using ::android::hardware::gnss::common::Utils;
using GnssSvFlags = IGnssCallback::GnssSvFlags;
using namespace ::android::hardware::gnss::common;
const uint32_t MIN_INTERVAL_MILLIS = 100;
sp<::android::hardware::gnss::V1_1::IGnssCallback> Gnss::sGnssCallback = nullptr;
Gnss::Gnss() : mMinIntervalMs(1000), mGnssConfiguration{new GnssConfiguration()} {}
Gnss::~Gnss() {
stop();
}
// Methods from ::android::hardware::gnss::V1_0::IGnss follow.
Return<bool> Gnss::setCallback(const sp<::android::hardware::gnss::V1_0::IGnssCallback>&) {
// Mock handles only new callback (see setCallback1_1) coming from Android P+
return false;
}
Return<bool> Gnss::start() {
if (mIsActive) {
ALOGW("Gnss has started. Restarting...");
stop();
}
mIsActive = true;
mThread = std::thread([this]() {
while (mIsActive == true) {
auto svStatus = this->getMockSvStatus();
this->reportSvStatus(svStatus);
auto location = Utils::getMockLocationV1_0();
this->reportLocation(location);
std::this_thread::sleep_for(std::chrono::milliseconds(mMinIntervalMs));
}
});
return true;
}
Return<bool> Gnss::stop() {
mIsActive = false;
if (mThread.joinable()) {
mThread.join();
}
return true;
}
Return<void> Gnss::cleanup() {
// TODO implement
return Void();
}
Return<bool> Gnss::injectTime(int64_t, int64_t, int32_t) {
// TODO implement
return bool{};
}
Return<bool> Gnss::injectLocation(double, double, float) {
// TODO implement
return bool{};
}
Return<void> Gnss::deleteAidingData(::android::hardware::gnss::V1_0::IGnss::GnssAidingData) {
return Void();
}
Return<bool> Gnss::setPositionMode(::android::hardware::gnss::V1_0::IGnss::GnssPositionMode,
::android::hardware::gnss::V1_0::IGnss::GnssPositionRecurrence,
uint32_t, uint32_t, uint32_t) {
// TODO implement
return bool{};
}
Return<sp<::android::hardware::gnss::V1_0::IAGnssRil>> Gnss::getExtensionAGnssRil() {
// TODO implement
return ::android::sp<::android::hardware::gnss::V1_0::IAGnssRil>{};
}
Return<sp<::android::hardware::gnss::V1_0::IGnssGeofencing>> Gnss::getExtensionGnssGeofencing() {
// TODO implement
return ::android::sp<::android::hardware::gnss::V1_0::IGnssGeofencing>{};
}
Return<sp<::android::hardware::gnss::V1_0::IAGnss>> Gnss::getExtensionAGnss() {
// TODO implement
return ::android::sp<::android::hardware::gnss::V1_0::IAGnss>{};
}
Return<sp<::android::hardware::gnss::V1_0::IGnssNi>> Gnss::getExtensionGnssNi() {
// TODO implement
return ::android::sp<::android::hardware::gnss::V1_0::IGnssNi>{};
}
Return<sp<::android::hardware::gnss::V1_0::IGnssMeasurement>> Gnss::getExtensionGnssMeasurement() {
// TODO implement
return new GnssMeasurement();
}
Return<sp<::android::hardware::gnss::V1_0::IGnssNavigationMessage>>
Gnss::getExtensionGnssNavigationMessage() {
// TODO implement
return ::android::sp<::android::hardware::gnss::V1_0::IGnssNavigationMessage>{};
}
Return<sp<::android::hardware::gnss::V1_0::IGnssXtra>> Gnss::getExtensionXtra() {
// TODO implement
return ::android::sp<::android::hardware::gnss::V1_0::IGnssXtra>{};
}
Return<sp<::android::hardware::gnss::V1_0::IGnssConfiguration>>
Gnss::getExtensionGnssConfiguration() {
// TODO implement
return new GnssConfiguration();
}
Return<sp<::android::hardware::gnss::V1_0::IGnssDebug>> Gnss::getExtensionGnssDebug() {
return new GnssDebug();
}
Return<sp<::android::hardware::gnss::V1_0::IGnssBatching>> Gnss::getExtensionGnssBatching() {
// TODO implement
return ::android::sp<::android::hardware::gnss::V1_0::IGnssBatching>{};
}
// Methods from ::android::hardware::gnss::V1_1::IGnss follow.
Return<bool> Gnss::setCallback_1_1(
const sp<::android::hardware::gnss::V1_1::IGnssCallback>& callback) {
if (callback == nullptr) {
ALOGE("%s: Null callback ignored", __func__);
return false;
}
sGnssCallback = callback;
uint32_t capabilities = 0x0;
auto ret = sGnssCallback->gnssSetCapabilitesCb(capabilities);
if (!ret.isOk()) {
ALOGE("%s: Unable to invoke callback", __func__);
}
IGnssCallback::GnssSystemInfo gnssInfo = {.yearOfHw = 2018};
ret = sGnssCallback->gnssSetSystemInfoCb(gnssInfo);
if (!ret.isOk()) {
ALOGE("%s: Unable to invoke callback", __func__);
}
auto gnssName = "Google Mock GNSS Implementation v1.1";
ret = sGnssCallback->gnssNameCb(gnssName);
if (!ret.isOk()) {
ALOGE("%s: Unable to invoke callback", __func__);
}
return true;
}
Return<bool> Gnss::setPositionMode_1_1(
::android::hardware::gnss::V1_0::IGnss::GnssPositionMode,
::android::hardware::gnss::V1_0::IGnss::GnssPositionRecurrence, uint32_t minIntervalMs,
uint32_t, uint32_t, bool) {
mMinIntervalMs = (minIntervalMs < MIN_INTERVAL_MILLIS) ? MIN_INTERVAL_MILLIS : minIntervalMs;
return true;
}
Return<sp<::android::hardware::gnss::V1_1::IGnssConfiguration>>
Gnss::getExtensionGnssConfiguration_1_1() {
return mGnssConfiguration;
}
Return<sp<::android::hardware::gnss::V1_1::IGnssMeasurement>>
Gnss::getExtensionGnssMeasurement_1_1() {
// TODO implement
return new GnssMeasurement();
}
Return<bool> Gnss::injectBestLocation(const GnssLocation&) {
return true;
}
Return<GnssSvStatus> Gnss::getMockSvStatus() const {
std::unique_lock<std::recursive_mutex> lock(mGnssConfiguration->getMutex());
GnssSvInfo mockGnssSvInfoList[] = {
Utils::getMockSvInfoV1_0(3, GnssConstellationType::GPS, 32.5, 59.1, 166.5,
kGpsL1FreqHz),
Utils::getMockSvInfoV1_0(5, GnssConstellationType::GPS, 27.0, 29.0, 56.5, kGpsL1FreqHz),
Utils::getMockSvInfoV1_0(17, GnssConstellationType::GPS, 30.5, 71.0, 77.0,
kGpsL5FreqHz),
Utils::getMockSvInfoV1_0(26, GnssConstellationType::GPS, 24.1, 28.0, 253.0,
kGpsL5FreqHz),
Utils::getMockSvInfoV1_0(5, GnssConstellationType::GLONASS, 20.5, 11.5, 116.0,
kGloG1FreqHz),
Utils::getMockSvInfoV1_0(17, GnssConstellationType::GLONASS, 21.5, 28.5, 186.0,
kGloG1FreqHz),
Utils::getMockSvInfoV1_0(18, GnssConstellationType::GLONASS, 28.3, 38.8, 69.0,
kGloG1FreqHz),
Utils::getMockSvInfoV1_0(10, GnssConstellationType::GLONASS, 25.0, 66.0, 247.0,
kGloG1FreqHz)};
GnssSvStatus svStatus = {.numSvs = sizeof(mockGnssSvInfoList) / sizeof(GnssSvInfo)};
for (uint32_t i = 0; i < svStatus.numSvs; i++) {
if (mGnssConfiguration->isBlacklisted(mockGnssSvInfoList[i])) {
/**
* Note well, this is a simple, mock emulation of not using a satellite by changing the
* used bit. Simply blanking the used bit, as is done here, is *not* an acceptable
* actual device implementation - actual devices *must not* use the satellite in the
* position calculation, as specified in IGnssConfiguration.hal.
*/
mockGnssSvInfoList[i].svFlag &=
~static_cast<uint8_t>(IGnssCallback::GnssSvFlags::USED_IN_FIX);
}
svStatus.gnssSvList[i] = mockGnssSvInfoList[i];
}
return svStatus;
}
Return<void> Gnss::reportLocation(const GnssLocation& location) const {
std::unique_lock<std::mutex> lock(mMutex);
if (sGnssCallback == nullptr) {
ALOGE("%s: sGnssCallback is null.", __func__);
return Void();
}
sGnssCallback->gnssLocationCb(location);
return Void();
}
Return<void> Gnss::reportSvStatus(const GnssSvStatus& svStatus) const {
std::unique_lock<std::mutex> lock(mMutex);
if (sGnssCallback == nullptr) {
ALOGE("%s: sGnssCallback is null.", __func__);
return Void();
}
sGnssCallback->gnssSvStatusCb(svStatus);
return Void();
}
} // namespace implementation
} // namespace V1_1
} // namespace gnss
} // namespace hardware
} // namespace android
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