mickaelh/accelerometerclass.cpp

#include "accelerometerclass.h"
#include <QTimer>
#include <QFile>
#include <QTextStream>
#include <QStringList>

accelerometerClass::accelerometerClass(QObject *parent)
      : QThread(parent)
{

}

void accelerometerClass::run()
{
    QTimer timer;
    connect(&timer, SIGNAL(timeout()), this, SLOT(updateCoords()));
    timer.start(20); // 50 Hz update rate
    exec();
}

void accelerometerClass::updateCoords()
{
     QFile file("/sys/class/i2c-adapter/i2c-3/3-001d/coord");
     if (!file.open(QIODevice::ReadOnly | QIODevice::Text))
         return;
     QTextStream in(&file);
     QString data = in.readAll();
     processCoords(data);
}

void accelerometerClass::processCoords(QString &data)
{
    QStringList data_splited = data.split(" ");

    x = data_splited[0];
    y = data_splited[1];
    z = data_splited[2];

    emit deviceOrientation(x, y, z);
}