diff options
Diffstat (limited to 'src/plugins/sensors/linux/linuxsysaccelerometer.cpp')
-rw-r--r-- | src/plugins/sensors/linux/linuxsysaccelerometer.cpp | 188 |
1 files changed, 0 insertions, 188 deletions
diff --git a/src/plugins/sensors/linux/linuxsysaccelerometer.cpp b/src/plugins/sensors/linux/linuxsysaccelerometer.cpp deleted file mode 100644 index c5c7e375..00000000 --- a/src/plugins/sensors/linux/linuxsysaccelerometer.cpp +++ /dev/null @@ -1,188 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2016 The Qt Company Ltd. -** Contact: https://www.qt.io/licensing/ -** -** 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 The Qt Company. For licensing terms -** and conditions see https://www.qt.io/terms-conditions. For further -** information use the contact form at https://www.qt.io/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 3 as published by the Free Software -** Foundation and appearing in the file LICENSE.LGPL3 included in the -** packaging of this file. Please review the following information to -** ensure the GNU Lesser General Public License version 3 requirements -** will be met: https://www.gnu.org/licenses/lgpl-3.0.html. -** -** GNU General Public License Usage -** Alternatively, this file may be used under the terms of the GNU -** General Public License version 2.0 or (at your option) the GNU General -** Public license version 3 or any later version approved by the KDE Free -** Qt Foundation. The licenses are as published by the Free Software -** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3 -** included in the packaging of this file. Please review the following -** information to ensure the GNU General Public License requirements will -** be met: https://www.gnu.org/licenses/gpl-2.0.html and -** https://www.gnu.org/licenses/gpl-3.0.html. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "linuxsysaccelerometer.h" -#include <QtCore/QDebug> -#include <QtCore/QtGlobal> -#include <QtCore/QFile> -#include <QtCore/QDebug> -#include <QtCore/QTimer> - -#include <QtCore/QStringList> - -#include <time.h> -#include <errno.h> - -char const * const LinuxSysAccelerometer::id("linuxsys.accelerometer"); - -// This plugin reads the accelerometer from a sys interface. - -// test machine (laptop): -// QT_ACCEL_FILEPATH=/sys/devices/platform/lis3lv02d/position -// QT_ACCEL_DATADIVISOR=7 -// QT_ACCEL_DELIMITER=, - -quint64 produceTimestamp() -{ - struct timespec tv; - int ok; - -#ifdef CLOCK_MONOTONIC_RAW - ok = clock_gettime(CLOCK_MONOTONIC_RAW, &tv); - if (ok != 0) -#endif - ok = clock_gettime(CLOCK_MONOTONIC, &tv); - Q_ASSERT(ok == 0); - - quint64 result = (tv.tv_sec * 1000000ULL) + (tv.tv_nsec * 0.001); // scale to microseconds - return result; -} - -// TODO get output template from env and apply -// Currently this assumes the output is like: -// (x,y,z) or x,y,z - -LinuxSysAccelerometer::LinuxSysAccelerometer(QSensor *sensor) - : QSensorBackend(sensor) - , m_timerid(0) - , path(QString()) - , divisor(0) - , delimiter(QString()) -{ - setReading<QAccelerometerReading>(&m_reading); - addDataRate(1, 100); // 100Hz - addOutputRange(-22.418, 22.418, 0.17651); // 2G -// not sure how to retrieve proper range - - path = QString::fromLatin1(qgetenv("QT_ACCEL_FILEPATH")); - bool ok; - divisor = QString::fromLatin1(qgetenv("QT_ACCEL_DATADIVISOR")).toInt(&ok); - if (divisor == 0 || !ok) { - divisor = 1; - } - delimiter = QString::fromLatin1(qgetenv("QT_ACCEL_DELIMITER")); - file.setFileName(path); -} - -LinuxSysAccelerometer::~LinuxSysAccelerometer() -{ -} - -void LinuxSysAccelerometer::start() -{ - if (m_timerid) - return; - - if (!openFile()) - return; - - int dataRate = sensor()->dataRate(); - if (dataRate == 0) { - if (sensor()->availableDataRates().count()) - dataRate = sensor()->availableDataRates().first().second; - else - dataRate = 1; - } - - int interval = 1000 / dataRate; - - if (interval) - m_timerid = startTimer(interval); -} - -void LinuxSysAccelerometer::stop() -{ - if (m_timerid) { - killTimer(m_timerid); - m_timerid = 0; - } - closeFile(); -} - -void LinuxSysAccelerometer::poll() -{ - if (!file.isOpen()) - return; - - file.seek(0); - QString str = file.readLine(); - if (str.isEmpty()) { - return; - } - str = str.simplified(); - - if (!str.at(0).isNumber() && str.at(0) != '-') { - str.remove(0,1); - } - - if (!str.at(str.size()-1).isNumber()) { - str.chop(1); - } - - QStringList accelDataList = str.split(delimiter); - - m_reading.setTimestamp(produceTimestamp()); - m_reading.setX(-accelDataList.at(0).toFloat() / divisor); - m_reading.setY(-accelDataList.at(1).toFloat() / divisor); - m_reading.setZ(-accelDataList.at(2).toFloat() / divisor); - - newReadingAvailable(); -} - -void LinuxSysAccelerometer::timerEvent(QTimerEvent * /*event*/) -{ - poll(); -} - -bool LinuxSysAccelerometer::openFile() -{ - if (!path.isEmpty() - && !file.open(QIODevice::ReadOnly)) { - qWarning() << "Could not open file" << strerror(errno); - return false; - } - return true; -} - -void LinuxSysAccelerometer::closeFile() -{ - file.close(); -} - - |