QS60SensorApiAccelerometer::QS60SensorApiAccelerometer(QSensor *sensor)
: QSensorBackend(sensor)
, m_nativeSensor(NULL)
, m_sampleFactor(0.0f)
{
TRAPD(err, findAndCreateNativeSensorL());
if(err != KErrNone) {
sensorStopped();
sensorError(err);
}
setReading<QAccelerometerReading>(&m_reading);
// http://www.st.com/stonline/products/literature/ds/12726/lis302dl.pdf
// That 3D accelerometer inside N95 , N93i or N82 is from STMicroelectronics (type LIS302DL).
// http://wiki.forum.nokia.com/index.php/Nokia_Sensor_APIs.
// Sensor is set to 100Hz 2G mode and no public interface to switch it to 8G
// 2G - mode
addDataRate(100, 100);
addOutputRange(-22.418, 22.418, 0.17651);
setDescription(QLatin1String("lis302dl"));
//Synbian interface gives values between -680 - 680
m_sampleFactor = this->sensor()->outputRanges()[0].maximum / 680.0f;
}
void testsensorimpl::start()
{
QVariant _exclusive = sensor()->property("exclusive");
bool exclusive = _exclusive.isValid()?_exclusive.toBool():false;
if (exclusive) {
if (!exclusiveHandle) {
exclusiveHandle = this;
} else {
// Hook up the busyChanged signal
connect(exclusiveHandle, SIGNAL(emitBusyChanged()), sensor(), SIGNAL(busyChanged()));
sensorBusy(); // report the busy condition
return;
}
}
QString doThis = sensor()->property("doThis").toString();
if (doThis == "stop")
sensorStopped();
else if (doThis == "error")
sensorError(1);
else if (doThis == "setOne") {
m_reading.setTimestamp(1);
m_reading.setTest(1);
newReadingAvailable();
} else {
m_reading.setTimestamp(2);
m_reading.setTest(2);
newReadingAvailable();
}
}
void genericalssensor::start()
{
lightSensor->setDataRate(sensor()->dataRate());
lightSensor->start();
if (!lightSensor->isActive())
sensorStopped();
if (lightSensor->isBusy())
sensorBusy();
}
void GenericTiltSensor::start()
{
accelerometer->setDataRate(sensor()->dataRate());
accelerometer->setAlwaysOn(sensor()->isAlwaysOn());
accelerometer->start();
if (!accelerometer->isActive())
sensorStopped();
if (accelerometer->isBusy())
sensorBusy();
}
void n900lightsensor::start()
{
if (!QFile::exists(QLatin1String(filename)))
goto error;
n900filebasedsensor::start();
return;
error:
sensorStopped();
}
void SensorfwSensorBase::start()
{
if (m_sensorInterface) {
// dataRate
QByteArray type = sensor()->type();
if (type != QTapSensor::type && type != QProximitySensor::type) {
int dataRate = sensor()->dataRate();
int interval = dataRate > 0 ? 1000 / dataRate : 0;
// for testing maximum speed
//interval = 1;
//dataRate = 1000;
m_sensorInterface->setInterval(interval);
}
// outputRange
int currentRange = sensor()->outputRange();
int l = sensor()->outputRanges().size();
if (l > 1) {
if (currentRange != m_prevOutputRange) {
//#ifdef Q_WS_MAEMO_6
bool isOk = m_sensorInterface->setDataRangeIndex(currentRange); //NOTE THAT THE CHANGE MIGHT NOT SUCCEED, FIRST COME FIRST SERVED
if (!isOk) sensorError(KErrInUse);
else m_prevOutputRange = currentRange;
//#else
// // TODO: remove when sensord integrated, in sensorfw env there is a delay
// qoutputrange range = sensor()->outputRanges().at(currentRange);
// qreal correction = 1/correctionFactor();
// DataRange range1(range.minimum*correction, range.maximum*correction, range.accuracy*correction);
// m_sensorInterface->requestDataRange(range1);
// m_prevOutputRange = currentRange;
//#endif
}
}
// always on
bool alwaysOn = sensor()->isAlwaysOn();
m_sensorInterface->setStandbyOverride(alwaysOn);
// connects after buffering checks
doConnectAfterCheck();
int returnCode = m_sensorInterface->start().error().type();
if (returnCode == 0) {
running = true;
return;
}
qWarning() << "m_sensorInterface did not start, error code:" << returnCode;
}
sensorStopped();
}
