2 * This file is part of jSpeed.
4 * jSpeed is free software: you can redistribute it and/or modify
5 * it under the terms of the GNU General Public License as published by
6 * the Free Software Foundation, either version 3 of the License, or
7 * (at your option) any later version.
9 * jSpeed is distributed in the hope that it will be useful,
10 * but WITHOUT ANY WARRANTY; without even the implied warranty of
11 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
12 * GNU General Public License for more details.
14 * You should have received a copy of the GNU General Public License
15 * along with jSpeed. If not, see <http://www.gnu.org/licenses/>.
19 #include <QtCore/QTime>
20 #include <QtCore/QDebug>
21 #include <QtCore/QTimer>
27 QString const TOTAL_FIELD = "odometer_total";
28 QString const TOTALTIME_FIELD = "odometer_totaltime";
29 QString const TRIP_FIELD = "odometer_trip";
30 QString const TRIPTIME_FIELD = "odometer_triptime";
31 QString const MAXSPEED_FIELD = "odometer_maxspeed";
32 QString const KM_UNIT = "km";
33 QString const MILE_UNIT = "mi";
34 QString const KM_SPEEDUNIT = "km/h";
35 QString const MILE_SPEEDUNIT = "mph";
36 double const DEFAULT_SPEED_TRESHOLD = 8.0;
37 double const MIN_SPEED_TRESHOLD = 0.8;
38 double const SPEED_IGNORE_LEVEL = 0.01;
39 double const TRESHOLD_POINT1_EPS = 40.0;
40 double const TRESHOLD_POINT1_TRESHOLD = 10.0;
41 double const TRESHOLD_POINT2_EPS = 1.8;
42 double const TRESHOLD_POINT2_TRESHOLD = MIN_SPEED_TRESHOLD;
43 double const TRESHOLD_X = (TRESHOLD_POINT1_TRESHOLD - TRESHOLD_POINT2_TRESHOLD) / (TRESHOLD_POINT1_EPS - TRESHOLD_POINT2_EPS);
44 double const TRESHOLD_Y = TRESHOLD_POINT1_TRESHOLD - (TRESHOLD_POINT1_EPS * TRESHOLD_X);
47 Odometer::Odometer(): QObject(0), trip_(0), total_(0),
48 maxSpeed_(0), totalTime_(0), tripTime_(0), fixTimer_(0),
49 mainTimer_(0), emitUpdate_(true), location_(0), signalTimer_(0)
51 total_ = Settings::instance().value(TOTAL_FIELD, 0).toDouble();
52 totalTime_ = Settings::instance().value(TOTALTIME_FIELD, 0).toULongLong();
53 maxSpeed_ = Settings::instance().value(MAXSPEED_FIELD, 0).toDouble();
54 trip_ = Settings::instance().value(TRIP_FIELD, 0).toDouble();
55 tripTime_ = Settings::instance().value(TRIPTIME_FIELD, 0).toULongLong();
56 signalTimer_ = new QTimer(this);
57 signalTimer_->setSingleShot(false);
58 signalTimer_->setInterval(1000);
59 connect(signalTimer_, SIGNAL(timeout()), this, SIGNAL(timeUpdated()));
71 Odometer& Odometer::instance()
73 static Odometer instance;
77 void Odometer::start()
79 location_ = new Location;
80 connect(location_, SIGNAL(locationChanged(Location::Fix const&)),
81 this, SLOT(update(Location::Fix const&)));
91 void Odometer::update(Location::Fix const& fix)
93 if(fix.kmSpeed > maxSpeed_)
95 maxSpeed_ = fix.kmSpeed;
100 fixTimer_ = new QTime();
104 int elapsed = fixTimer_->elapsed();
106 fixTimer_->restart();
108 if(fix.kmSpeed > SPEED_IGNORE_LEVEL)
110 double treshold = DEFAULT_SPEED_TRESHOLD;
114 treshold = fix.eps * TRESHOLD_X + TRESHOLD_Y;
116 if(treshold < MIN_SPEED_TRESHOLD)
118 treshold = MIN_SPEED_TRESHOLD;
122 if(fix.kmSpeed > treshold && elapsed > 200 && elapsed < 8000)
124 double km = fix.kmSpeed * (static_cast<double>(elapsed) / (1000 * 3600));
143 if(latestFix_.kmSpeed > SPEED_IGNORE_LEVEL)
146 latestFix_.speed = 0.0;
147 latestFix_.kmSpeed = 0.0;
155 double Odometer::getTrip() const
157 return trip_ * Location::getUnitMultiplier();
160 double Odometer::getAverageSpeed() const
162 int elapsed = getTripTime();
169 return (static_cast<double>(trip_) * Location::getUnitMultiplier()) / (static_cast<double>(elapsed) / 60.0);
172 double Odometer::getTotal() const
174 return total_ * Location::getUnitMultiplier();
177 double Odometer::getMaxSpeed() const
179 return maxSpeed_ * Location::getUnitMultiplier();
182 qulonglong Odometer::getTotalTime() const
184 return totalTime_ + timeAddition();
187 qulonglong Odometer::getTripTime() const
189 return tripTime_ + timeAddition();
192 void Odometer::resetTrip()
206 void Odometer::resetTotal()
219 void Odometer::resetAll()
229 void Odometer::store()
231 Settings::instance().setValue(TOTAL_FIELD, total_);
232 Settings::instance().setValue(TOTALTIME_FIELD, getTotalTime());
233 Settings::instance().setValue(TRIP_FIELD, trip_);
234 Settings::instance().setValue(TRIPTIME_FIELD, getTripTime());
235 Settings::instance().setValue(MAXSPEED_FIELD, maxSpeed_);
236 Settings::instance().sync();
239 Location::Fix const& Odometer::getLatestFix() const
244 double Odometer::getSignalStrength() const
251 return location_->getSignalStrength();
254 QString const& Odometer::getUnit()
256 if(Location::getUnit() == Location::KM)
266 QString const& Odometer::getSpeedUnit()
268 if(Location::getUnit() == Location::KM)
274 return MILE_SPEEDUNIT;
278 void Odometer::updateUnit()
280 QString unit = Settings::instance().value("unit", "km").toString();
284 Location::setUnit(Location::KM);
286 else if(unit == "mile")
288 Location::setUnit(Location::MILE);
298 void Odometer::startTiming()
300 signalTimer_->start();
304 mainTimer_->restart();
308 mainTimer_ = new QTime();
310 signalTimer_->start();
313 void Odometer::endTiming()
315 signalTimer_->stop();
322 int elapsed = mainTimer_->elapsed() / 1000;
323 totalTime_ += elapsed;
324 tripTime_ += elapsed;
329 void Odometer::resetTiming()
340 int Odometer::timeAddition() const
344 return mainTimer_->elapsed() / 1000;