352 lines
11 KiB
C++
352 lines
11 KiB
C++
/**
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* @file navigation.cpp
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* @author Alexander Klein (alex@kleiax.de)
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* @brief Contains the implementation of the class Navigation
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* @version 0.1
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* @date 2022-01-31
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*
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* @copyright Copyright (c) 2022
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*
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*/
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#include "navigation.h"
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bool Navigation::outputStatusPrintPVTdata = false;
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bool Navigation::newData = false;
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uint32_t Navigation::ubxUpdateTimeStatic = 0;
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UBX_NAV_PVT_data_t* Navigation::ubxDataStatic = nullptr;
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Navigation::Navigation(Route* route) {
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this->gps = new SFE_UBLOX_GNSS();
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if (this->gps->begin() == false) {
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std::cout << "u-blox GNSS not detected at default I2C address. Please check wiring. Freezing." << std::endl;
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while (1);
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}
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this->init(route);
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}
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Navigation::Navigation(SPIClass* spiPort, uint8_t csPin, Route* route) {
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this->gps = new SFE_UBLOX_GNSS();
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if (this->gps->begin(*spiPort, csPin, 4000000) == false) {
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std::cout << "u-blox GNSS not detected on SPI bus. Please check wiring. Freezing." << std::endl;
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while (1);
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}
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this->init(route);
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}
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void Navigation::init(Route* route) {
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uint8_t versionHigh = this->gps->getProtocolVersionHigh();
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uint8_t versionLow = this->gps->getProtocolVersionLow();
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std::cout << "u-blox protocol version: " << unsigned(versionHigh) << "." << unsigned(versionLow) << std::endl;
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// std::cout << "Set GNSS Module to factory settings... ";
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// this->gps->factoryReset();
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// delay(5000);
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// std::cout << "Complete" << std::endl;
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this->gps->setSPIOutput(COM_TYPE_UBX);
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this->gps->enableNMEAMessage(UBX_NMEA_GGA, COM_PORT_SPI, 10);
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this->gps->setUSBOutput(COM_TYPE_UBX | COM_TYPE_NMEA);
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this->gps->setAutoPVTcallbackPtr(&(Navigation::savePVTdata));
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// Navigation::setOutputStatusPrintPVTdata(true);
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this->gps->setNavigationFrequency(1);
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this->gps->setAutoPVT(true);
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if (route)
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this->route = route;
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else
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this->route = new Route();
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this->compass = new QMC5883LCompass();
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// Init Compass
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Wire.beginTransmission(0x0d);
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Wire.write(0x0b);
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Wire.write(0x01);
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Wire.endTransmission();
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this->compass->setMode(0x01,0x0C,0x10,0X00);
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CalibrateCompass caliCompass(this->compass);
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caliCompass.loadData();
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caliCompass.useData();
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// std::cout << "Navigation::init compass correction data: " << caliCompass << std::endl;
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}
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Navigation::~Navigation() {
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delete this->gps;
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delete this->compass;
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delete this->ntripClient;
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delete this->route;
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}
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void Navigation::initNtrip(String host, uint16_t port, String mountPoint, String user, String password) {
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this->ntripClient = new NTRIPClient(this->gps, host.c_str(), port, mountPoint.c_str(), user.c_str(), password.c_str());
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this->ntripClient->gpsConfiguration();
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this->ntripClient->loop();
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this->ntripClient->setActivated(false);
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this->isNtripInit = true;
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}
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void Navigation::loop() {
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this->gps->checkUblox();
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this->gps->checkCallbacks();
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if (Navigation::newData) {
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this->updateCurrentLocation();
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Navigation::newData = false;
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}
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if (this->ntripClient)
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this->ntripClient->loop();
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if (millis() - this->lastMillis > AZIMUTH_UPDATE_DELAY) {
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this->compass->read();
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this->realAzimuth = this->compass->getAzimuth();
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this->updateMagneticDeclination();
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this->lastMillis = millis();
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}
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}
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void Navigation::newRoute() {
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if (this->route)
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delete this->route;
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this->route = new Route();
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}
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bool Navigation::startNavigation() {
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Point newTargetPoint = this->route->startRoute();
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this->navigationStarted = this->setTargetPoint(newTargetPoint);
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if (this->navigationStarted)
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this->navigationFinished = false;
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return this->navigationStarted;
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}
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void Navigation::drivingDirectionChange() {
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Point tmp = this->currentPosition;
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if (tmp.isInit() && tmp.isValid()) {
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this->directionChangeMode = true;
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this->lastPointDrivingDirectionChange = tmp;
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this->calcAzimuthState = CalcAzimuthState::Invalid;
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}
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}
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Navigation::Status Navigation::getCourseCorrection(CourseCorrection& correction, bool forceUpdate) {
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if (this->navigationFinished)
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return Status::Complete;
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if (this->currentPosition.getAccuracy() <= this->minAccuracy)
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return Status::InsufficientAccuracy;
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if (this->currentPosition.distanceTo(this->lastPointCalcCorrection) < (this->minDistanceToReachPoint / 2.0)
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&& !forceUpdate) {
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correction.correction = this->calculateCourseCorrection(this->lastPointCalcCorrection);
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correction.distance = this->lastPointCalcCorrection.distanceTo(this->targetPoint);
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return Status::Unchanged;
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}
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double distance = this->currentPosition.distanceTo(this->targetPoint);
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// Check if I need a new Point
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if (distance < this->minDistanceToReachPoint && this->preventNextPoint == false) {
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if (!this->nextPoint()) {
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this->navigationFinished = true;
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this->navigationStarted = false;
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return Status::Complete; // End of navigation
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}
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distance = this->currentPosition.distanceTo(this->targetPoint);
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}
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correction.correction = this->calculateCourseCorrection(this->currentPosition);
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correction.distance = distance;
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this->lastPointCalcCorrection = this->currentPosition;
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return Status::Updated;
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}
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Navigation::Status Navigation::addCurrentPosToRoute() {
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if (this->currentPosition.getAccuracy() <= this->minAccuracy)
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return Status::InsufficientAccuracy;
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// First Point
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if (this->route->getRouteInfo().totalPoints == 0) {
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this->route->addPointToRoute(this->currentPosition);
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this->lastPointRouteInsert = this->currentPosition;
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return Status::Updated;
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}
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// Every Point after the first
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if (MIN_DISTANCE_BETWEEN_POINTS <= this->currentPosition.distanceTo(this->lastPointRouteInsert)) {
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this->route->addPointToRoute(this->currentPosition);
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this->lastPointRouteInsert = this->currentPosition;
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return Status::Updated;
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}
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return Status::Unchanged;
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}
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void Navigation::updateCurrentLocation() {
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if (Navigation::ubxUpdateTimeStatic == this->ubxUpdateTime)
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return;
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this->ubxData = Navigation::ubxDataStatic;
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this->ubxUpdateTime = Navigation::ubxUpdateTimeStatic;
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Point::Coordinates coords;
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coords.lat = this->ubxData->lat / 10000000.0;
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coords.lon = this->ubxData->lon / 10000000.0;
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this->currentPosition = Point(coords, this->ubxData->hAcc);
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}
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void Navigation::updateMagneticDeclination() {
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if (!this->directionChangeMode
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|| this->lastPointDrivingDirectionChange.distanceTo(this->currentPosition) < 1.0)
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{
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this->calcAzimuthState = CalcAzimuthState::Invalid;
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this->calcAzimuth = 999;
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return;
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}
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this->calcAzimuth = this->lastPointDrivingDirectionChange.courseTo(this->currentPosition);
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// Map point accuracy to CalcAzimuthState
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if (this->lastPointDrivingDirectionChange.getAccuracy() == Point::Accuracy::oneDigOfCM
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|| this->currentPosition.getAccuracy() == Point::Accuracy::oneDigOfCM)
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{
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this->calcAzimuthState = CalcAzimuthState::Good;
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}
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else if (this->lastPointDrivingDirectionChange.getAccuracy() == Point::Accuracy::twoDigOfCM
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|| this->currentPosition.getAccuracy() == Point::Accuracy::twoDigOfCM)
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{
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this->calcAzimuthState = CalcAzimuthState::Ok;
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}
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else if (this->lastPointDrivingDirectionChange.getAccuracy() == Point::Accuracy::threeDigOfCM
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|| this->currentPosition.getAccuracy() == Point::Accuracy::threeDigOfCM)
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{
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this->calcAzimuthState = CalcAzimuthState::Bad;
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}
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else
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{
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this->calcAzimuthState = CalcAzimuthState::Invalid;
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}
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// Upgrade quality if the range grows up
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if (this->lastPointDrivingDirectionChange.distanceTo(this->currentPosition) > 2.0) {
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switch (this->calcAzimuthState) {
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case CalcAzimuthState::Bad :
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this->calcAzimuthState = CalcAzimuthState::Ok;
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break;
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case CalcAzimuthState::Ok :
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this->calcAzimuthState = CalcAzimuthState::Good;
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break;
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case CalcAzimuthState::Good :
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this->calcAzimuthState = CalcAzimuthState::Super;
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break;
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default:
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break;
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}
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}
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}
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int16_t Navigation::calculateCourseCorrection(Point& point) {
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int16_t targetCourse = point.courseTo(this->targetPoint);
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int16_t correctionCourse;
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if (this->calcAzimuthState == CalcAzimuthState::Good
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|| this->calcAzimuthState == CalcAzimuthState::Super)
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{
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correctionCourse = targetCourse - this->calcAzimuth;
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this->lastUsedCalcAzimuth = true;
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} else {
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correctionCourse = targetCourse - this->realAzimuth;
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this->lastUsedCalcAzimuth = false;
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}
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if (correctionCourse > 180)
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correctionCourse -= 360;
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else if (correctionCourse < -180)
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correctionCourse += 360;
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//Rotate result by 180° to corrigate Azimuth
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correctionCourse += 180;
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correctionCourse = correctionCourse > 180 ? correctionCourse -360 : correctionCourse;
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return correctionCourse;
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}
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bool Navigation::nextPoint() {
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if (!this->navigationStarted)
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return false;
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return this->setTargetPoint(this->route->getNextPoint());
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}
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bool Navigation::setTargetPoint(Point target) {
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if (target.isInit()) {
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this->targetPoint = target;
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return true;
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}
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return false;
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}
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void Navigation::setOutputStatusPrintPVTdata(bool status) {
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Navigation::outputStatusPrintPVTdata = status;
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}
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void Navigation::printPVTdata(UBX_NAV_PVT_data_t *ubxDataStruct) {
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if (!Navigation::outputStatusPrintPVTdata)
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return;
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double latitude = (double) ubxDataStruct->lat / 10000000.0;
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double longitude = (double) ubxDataStruct->lon / 10000000.0;
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double altitude = (double) ubxDataStruct->hMSL / 1000.0;
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uint8_t fixType = ubxDataStruct->fixType;
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char fixTypeString[32];
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if (fixType == 0)
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strcpy(fixTypeString, "None");
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else if (fixType == 1)
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strcpy(fixTypeString, "Dead Reckoning");
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else if (fixType == 2)
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strcpy(fixTypeString, "2D");
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else if (fixType == 3)
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strcpy(fixTypeString, "3D");
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else if (fixType == 3)
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strcpy(fixTypeString, "GNSS + Dead Reckoning");
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else if (fixType == 5)
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strcpy(fixTypeString, "Time Only");
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else
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strcpy(fixTypeString, "UNKNOWN");
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uint8_t carrSoln = ubxDataStruct->flags.bits.carrSoln;
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char carrSolnString[16];
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if (carrSoln == 0)
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strcpy(carrSolnString, "None");
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else if (carrSoln == 1)
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strcpy(carrSolnString, "Floating");
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else if (carrSoln == 2)
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strcpy(carrSolnString, "Fixed");
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else
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strcpy(carrSolnString, "UNKNOWN");
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uint32_t hAcc = ubxDataStruct->hAcc;
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std::cout << "Lat: " << latitude
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<< " Lng: " << longitude
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<< " Alt: " << altitude << std::endl;
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std::cout << "Fix: " << fixTypeString
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<< " Carrier Solution: " << carrSolnString
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<< " Horizontal Accuracy Estimate: " << hAcc << " mm" << std::endl;
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}
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void Navigation::savePVTdata(UBX_NAV_PVT_data_t *ubxDataStruct) {
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Navigation::printPVTdata(ubxDataStruct);
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Navigation::newData = true;
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Navigation::ubxDataStatic = ubxDataStruct;
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Navigation::ubxUpdateTimeStatic = millis();
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}
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