diff options
Diffstat (limited to 'src/imports/sensors2/qsensor2tilt.cpp')
| -rw-r--r-- | src/imports/sensors2/qsensor2tilt.cpp | 409 |
1 files changed, 0 insertions, 409 deletions
diff --git a/src/imports/sensors2/qsensor2tilt.cpp b/src/imports/sensors2/qsensor2tilt.cpp deleted file mode 100644 index 85d39ce8..00000000 --- a/src/imports/sensors2/qsensor2tilt.cpp +++ /dev/null @@ -1,409 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2012 Digia Plc and/or its subsidiary(-ies). -** Contact: http://www.qt-project.org/legal -** -** This file is part of the QtSensors module of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and Digia. For licensing terms and -** conditions see http://qt.digia.com/licensing. For further information -** use the contact form at http://qt.digia.com/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 2.1 requirements -** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** In addition, as a special exception, Digia gives you certain additional -** rights. These rights are described in the Digia Qt LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 3.0 as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL included in the -** packaging of this file. Please review the following information to -** ensure the GNU General Public License version 3.0 requirements will be -** met: http://www.gnu.org/copyleft/gpl.html. -** -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qsensor2tilt.h" -#define _USE_MATH_DEFINES -#include <qmath.h> -#include <QtCore/QDebug> -#include <QtCore/QStringList> - -#define MAXRATE 30 - -QT_BEGIN_NAMESPACE - -/*! - \qmltype TiltSensor - \instantiates QSensor2Tilt - \inherits QtSensors5::Sensor - \inqmlmodule QtSensors 5.0 - \since QtSensors 5.0 - \brief Provides access to the current X and Y axis rotation angles of the device. - - This type provides tilt data from the rotation around the x and y axis of the device using - the accelerometer sensor. Like for a marble and maze game, where the marble is rolled - around the screen according to the user tilting the device. - - This type is part of the \b{QtSensors 5} module. - - The \l {Qt Sensors - QML example} is an example how to use this QML type. - -*/ -QSensor2Tilt::QSensor2Tilt(QObject* parent) - : qsensor2common(parent) - , _yRotation(0) - , _xRotation(0) - , _radAccuracy(M_PI / 180) - , _pitch(0) - , _roll(0) - , _calibratedPitch(0) - , _calibratedRoll(0) - , _speed(QSensor2Tilt::Slow) -{ - _accel = new QAccelerometer(this); - _accel->addFilter(this); -} - -QSensor2Tilt::~QSensor2Tilt() -{ -} - -int searchDataRate(const QList<int>& datarates, int value) -{ - int l = 0; - int r = datarates.count() - 1; - int m = (l + r) / 2; - - while (l <= r) { - m = (l + r) / 2; - if (datarates[m] == value) - break; - else if (datarates[m] < value) - r = m - 1; - else - l = m + 1; - } - if (m > 0){ - int ddr = datarates[m - 1]; - ddr -= value; - int ddr1 = datarates[m] - value; - if (ddr1 < 0) ddr1 = -ddr1; - if (ddr < ddr1) - return datarates[m - 1]; - } - - return datarates[m]; -} - -QMap<QSensor2Tilt::Speed, int> QSensor2Tilt::dataRate() -{ - return _dataRate; -} - -void QSensor2Tilt::createRunModeDataRateMap() -{ - _dataRate.clear(); - qrangelist rl = _accel->availableDataRates(); - - //1. make a list of all available datarates - QList<int> dr; - foreach (const qrange &r, rl) { - for (int i = r.first; i <= r.second; i++){ - if (i <= MAXRATE){ - if (!dr.contains(i)) - dr.append(i); - } - } - } - - //2. Sort the list - if (dr.count() > 0){ - qSort(dr.begin(), dr.end(), qGreater<int>()); - _dataRate.insert(QSensor2Tilt::Slow, searchDataRate(dr, 2)); - _dataRate.insert(QSensor2Tilt::Medium, searchDataRate(dr, 10)); - _dataRate.insert(QSensor2Tilt::Fast, searchDataRate(dr, 20)); - } -} - -/*! - \qmlproperty enumeration QtSensors5::TiltSensor::speed - Holds the speed that the sensor should be run at. - Default is Slow. - - \table - \row - \li TiltSensor.Slow - \li The sensor runs in slow mode. - \li Closest available datarate at 2Hz. - \row - \li TiltSensor.Medium - \li The sensor runs in medium mode. - \li Closest available datarate at 10Hz. - \row - \li TiltSensor.Fast - \li The sensor runs in fast mode. - \li Closest available datarate at 20Hz. - \endtable -*/ -QSensor2Tilt::Speed QSensor2Tilt::speed() -{ - return _speed; -} - -void QSensor2Tilt::setSpeed(const QSensor2Tilt::Speed val) -{ - if (_dataRate.keys().contains(val)){ - if (_dataRate.value(val) != _accel->dataRate()){ - _accel->setDataRate(_dataRate.value(val)); - Q_EMIT speedChanged(); - } - } - _speed = val; -} - -void QSensor2Tilt::setEnabled(const bool val) -{ - bool active = enabled(); - if (active != val){ - if (val){ - bool readDatarateMap = !_accel->isConnectedToBackend(); - bool ret = _accel->start(); - if (!ret) - qWarning() << "couldn't start the sensor."; - else if (readDatarateMap){ - createRunModeDataRateMap(); - setSpeed(_speed); - } - } - else - _accel->stop(); - Q_EMIT enabledChanged(); - } -} - - -/*! - \qmlproperty real QtSensors5::TiltSensor::yRotation - Holds the rotation arround the y axis. - - \table - \row - \li - \image YAngle.gif - \li - \image YAngleNegative.gif - \endtable -*/ -qreal QSensor2Tilt::yRotation() -{ - return _yRotation * 180 / M_PI; -} - -/*! - \qmlproperty real QtSensors5::TiltSensor::xRotation - Holds the rotation arround the x axis. - \table - \row - \li - \image XAngle.gif - \li - \image XAngleNegative.gif - \endtable -*/ -qreal QSensor2Tilt::xRotation() -{ - return _xRotation * 180 / M_PI; -} - -/* - Angle between Ground and X - | Ax | - pitch = arctan| ----------------------- | - | sqrt(Ay * Ay + Az * Az)| -*/ -inline qreal calcPitch(double Ax, double Ay, double Az) -{ - return -qAtan2(Ax, sqrt(Ay * Ay + Az * Az)); -} - -/* - Angle between Ground and Y - | Ay | - roll = arctan| ----------------------- | - | sqrt(Ax * Ax + Az * Az)| -*/ -inline qreal calcRoll(double Ax, double Ay, double Az) -{ - return qAtan2(Ay, (sqrt(Ax * Ax + Az * Az))); -} - -/*! - \qmlproperty real QtSensors5::TiltSensor::accuracy - This property contains the accuracy (in degrees) in which the rotation should be measured. - This can be used to minimize signal emiting and therefore saving of performance. - Default value is 1 degree. - The accuracy value is unsigned and works clockwise and counterclockwise in X and Y axis rotation - directions. Accuracy range can be 0 to 90 degrees. - - - For example: - Accuracy 5.5 will notify the client application about an rotation change only if the rotation angle over the X and / or Y axis was changed by 5.5 or more degrees clockwise or anti-clockwise. - - \table - \header \li Rotation \li notify application \li reason - \row \li 0.2424 \li no \li - \row \li 4.34234 \li no \li - \row \li 5.23423 \li no \li - \row \li 6.34324 \li yes \li because 6.34324 >= 5.5 - \row \li 7.43264 \li no \li - \row \li 8.24504 \li no \li - \row \li 9.34653 \li no \li - \row \li 10.23476 \li no \li - \row \li 11.43565 \li no \li - \row \li 12.45645 \li yes \li because 12.45645 - 6.34324 = 6.11321 >= 5.5 - \endtable -*/ -/*! - \qmlsignal QtSensors5::TiltSensor::tiltChanged(real deltaX, real deltaY) - This signal is emitted whenever the change from at leat one of the rotation values was higher than the accuracy. - The angle value is based on degrees. - -*/ - -//void QSensor2Tilt::setAccuracy(qreal val) -//{ -// //save in rad to save convertion calc in filter function -// if (val <= 90 && val >= 0) -// _radAccuracy = M_PI * val / 180; -//} - -/*! - \qmlmethod void QtSensors5::TiltSensor::calibrate() - The call of this function calibrates the tilt from x and y to the current position. -*/ -void QSensor2Tilt::calibrate() -{ - _calibratedPitch = _pitch; - _calibratedRoll = _roll; -#ifdef LOGCALIBRATION - qDebug() << "--------- calibrate --------"; - qDebug() << "_calibratedPitch: " << _calibratedPitch; - qDebug() << "_calibratedRoll: " << _calibratedRoll; - qDebug() << "----------------------------"; -#endif -} - -/*! - \qmlproperty real QtSensors5::TiltSensor::settings - This property contains the setting of the current state. - It can be used for saving and reloading previously saved calibrations. -*/ -QByteArray QSensor2Tilt::settings() const -{ - QByteArray arr; - arr.append(QString::number((double)_calibratedPitch)); - arr.append(";"); - arr.append(QString::number((double)_calibratedRoll)); - return arr; -} - -void QSensor2Tilt::setSettings(const QByteArray val) -{ - QString str(val); - if (str.indexOf(";") > 0){ - QStringList strlist = str.split(";"); - if (strlist.length() == 2){ - _calibratedPitch = strlist.at(0).toDouble(); - _calibratedRoll = strlist.at(1).toDouble(); - } - } -} - -bool QSensor2Tilt::filter(QAccelerometerReading* reading) -{ - /* - z y - | / - |/___ x - */ - - qreal ax = reading->x(); - qreal ay = reading->y(); - qreal az = reading->z(); -#ifdef LOGCALIBRATION - qDebug() << "------------ new value -----------"; - qDebug() << "old _pitch: " << _pitch; - qDebug() << "old _roll: " << _roll; - qDebug() << "_calibratedPitch: " << _calibratedPitch; - qDebug() << "_calibratedRoll: " << _calibratedRoll; -#endif - _pitch = calcPitch(ax, ay, az); - _roll = calcRoll (ax, ay, az); -#ifdef LOGCALIBRATION - qDebug() << "_pitch: " << _pitch; - qDebug() << "_roll: " << _roll; -#endif - qreal xrot = _roll - _calibratedRoll; - qreal yrot = _pitch - _calibratedPitch; - //get angle beteen 0 and 180 or 0 -180 - qreal aG = 1 * sin(xrot); - qreal aK = 1 * cos(xrot); - xrot = qAtan2(aG, aK); - if (xrot > M_PI_2) - xrot = M_PI - xrot; - else if (xrot < -M_PI_2) - xrot = -(M_PI + xrot); - aG = 1 * sin(yrot); - aK = 1 * cos(yrot); - yrot = qAtan2(aG, aK); - if (yrot > M_PI_2) - yrot = M_PI - yrot; - else if (yrot < -M_PI_2) - yrot = -(M_PI + yrot); - - -#ifdef LOGCALIBRATION - qDebug() << "new xrot: " << xrot; - qDebug() << "new yrot: " << yrot; - qDebug() << "----------------------------------"; -#endif - qreal dxrot = xrot - _xRotation; - qreal dyrot = yrot - _yRotation; - if (dxrot < 0) dxrot = -dxrot; - if (dyrot < 0) dyrot = -dyrot; - - bool change = false; - if (dxrot >= _radAccuracy){ - _xRotation = xrot; - Q_EMIT xRotationChanged(); - change = true; - } - if (dyrot >= _radAccuracy){ - _yRotation = yrot; - Q_EMIT yRotationChanged(); - change = true; - } - if (change){ - Q_EMIT tiltChanged(dxrot * 180 / M_PI, dyrot * 180 / M_PI); - } - return false; -} - -QT_END_NAMESPACE |