APMSensorsComponentController.cc

/****************************************************************************
 *
 *   (c) 2009-2016 QGROUNDCONTROL PROJECT <http://www.qgroundcontrol.org>
 *
 * QGroundControl is licensed according to the terms in the file
 * COPYING.md in the root of the source code directory.
 *
 ****************************************************************************/


#include "APMSensorsComponentController.h"
#include "QGCMAVLink.h"
#include "UAS.h"
#include "QGCApplication.h"
#include "APMAutoPilotPlugin.h"
#include "ParameterManager.h"

#include <QVariant>
#include <QQmlProperty>

QGC_LOGGING_CATEGORY(APMSensorsComponentControllerLog, "APMSensorsComponentControllerLog")
QGC_LOGGING_CATEGORY(APMSensorsComponentControllerVerboseLog, "APMSensorsComponentControllerVerboseLog")

const char* APMSensorsComponentController::_compassCalFitnessParam = "COMPASS_CAL_FIT";

APMSensorsComponentController::APMSensorsComponentController(void)
    : _statusLog(NULL)
    , _progressBar(NULL)
    , _compassButton(NULL)
    , _accelButton(NULL)
    , _compassMotButton(NULL)
    , _levelButton(NULL)
    , _calibratePressureButton(NULL)
    , _nextButton(NULL)
    , _cancelButton(NULL)
    , _setOrientationsButton(NULL)
    , _showOrientationCalArea(false)
    , _calTypeInProgress(CalTypeNone)
    , _orientationCalDownSideDone(false)
    , _orientationCalUpsideDownSideDone(false)
    , _orientationCalLeftSideDone(false)
    , _orientationCalRightSideDone(false)
    , _orientationCalNoseDownSideDone(false)
    , _orientationCalTailDownSideDone(false)
    , _orientationCalDownSideVisible(false)
    , _orientationCalUpsideDownSideVisible(false)
    , _orientationCalLeftSideVisible(false)
    , _orientationCalRightSideVisible(false)
    , _orientationCalNoseDownSideVisible(false)
    , _orientationCalTailDownSideVisible(false)
    , _orientationCalDownSideInProgress(false)
    , _orientationCalUpsideDownSideInProgress(false)
    , _orientationCalLeftSideInProgress(false)
    , _orientationCalRightSideInProgress(false)
    , _orientationCalNoseDownSideInProgress(false)
    , _orientationCalTailDownSideInProgress(false)
    , _orientationCalDownSideRotate(false)
    , _orientationCalUpsideDownSideRotate(false)
    , _orientationCalLeftSideRotate(false)
    , _orientationCalRightSideRotate(false)
    , _orientationCalNoseDownSideRotate(false)
    , _orientationCalTailDownSideRotate(false)
    , _waitingForCancel(false)
    , _restoreCompassCalFitness(false)
{
    _compassCal.setVehicle(_vehicle);
    connect(&_compassCal, &APMCompassCal::vehicleTextMessage, this, &APMSensorsComponentController::_handleUASTextMessage);

    APMAutoPilotPlugin * apmPlugin = qobject_cast<APMAutoPilotPlugin*>(_vehicle->autopilotPlugin());

    _sensorsComponent = apmPlugin->sensorsComponent();
    connect(_sensorsComponent, &VehicleComponent::setupCompleteChanged, this, &APMSensorsComponentController::setupNeededChanged);

    connect(qgcApp()->toolbox()->mavlinkProtocol(), &MAVLinkProtocol::messageReceived, this, &APMSensorsComponentController::_mavlinkMessageReceived);
}

APMSensorsComponentController::~APMSensorsComponentController()
{
    _restorePreviousCompassCalFitness();
}

/// Appends the specified text to the status log area in the ui
void APMSensorsComponentController::_appendStatusLog(const QString& text)
{
    Q_ASSERT(_statusLog);
    
    QVariant returnedValue;
    QVariant varText = text;
    QMetaObject::invokeMethod(_statusLog,
                              "append",
                              Q_RETURN_ARG(QVariant, returnedValue),
                              Q_ARG(QVariant, varText));
}

void APMSensorsComponentController::_startLogCalibration(void)
{
    _hideAllCalAreas();
    
    connect(_uas, &UASInterface::textMessageReceived, this, &APMSensorsComponentController::_handleUASTextMessage);
    
    _compassButton->setEnabled(false);
    _accelButton->setEnabled(false);
    _compassMotButton->setEnabled(false);
    _levelButton->setEnabled(false);
    _calibratePressureButton->setEnabled(false);
    _setOrientationsButton->setEnabled(false);
    if (_calTypeInProgress == CalTypeAccel || _calTypeInProgress == CalTypeCompassMot) {
        _nextButton->setEnabled(true);
    }
    _cancelButton->setEnabled(_calTypeInProgress == CalTypeOnboardCompass);
}

void APMSensorsComponentController::_startVisualCalibration(void)
{
    _compassButton->setEnabled(false);
    _accelButton->setEnabled(false);
    _compassMotButton->setEnabled(false);
    _levelButton->setEnabled(false);
    _calibratePressureButton->setEnabled(false);
    _setOrientationsButton->setEnabled(false);
    _cancelButton->setEnabled(true);

    _resetInternalState();
    
    _progressBar->setProperty("value", 0);
}

void APMSensorsComponentController::_resetInternalState(void)
{
    _orientationCalDownSideDone = true;
    _orientationCalUpsideDownSideDone = true;
    _orientationCalLeftSideDone = true;
    _orientationCalRightSideDone = true;
    _orientationCalTailDownSideDone = true;
    _orientationCalNoseDownSideDone = true;
    _orientationCalDownSideInProgress = false;
    _orientationCalUpsideDownSideInProgress = false;
    _orientationCalLeftSideInProgress = false;
    _orientationCalRightSideInProgress = false;
    _orientationCalNoseDownSideInProgress = false;
    _orientationCalTailDownSideInProgress = false;
    _orientationCalDownSideRotate = false;
    _orientationCalUpsideDownSideRotate = false;
    _orientationCalLeftSideRotate = false;
    _orientationCalRightSideRotate = false;
    _orientationCalNoseDownSideRotate = false;
    _orientationCalTailDownSideRotate = false;

    emit orientationCalSidesRotateChanged();
    emit orientationCalSidesDoneChanged();
    emit orientationCalSidesInProgressChanged();
}

void APMSensorsComponentController::_stopCalibration(APMSensorsComponentController::StopCalibrationCode code)
{
    _vehicle->setConnectionLostEnabled(true);

    disconnect(_uas, &UASInterface::textMessageReceived, this, &APMSensorsComponentController::_handleUASTextMessage);
    
    _compassButton->setEnabled(true);
    _accelButton->setEnabled(true);
    _compassMotButton->setEnabled(true);
    _levelButton->setEnabled(true);
    _calibratePressureButton->setEnabled(true);
    _setOrientationsButton->setEnabled(true);
    _nextButton->setEnabled(false);
    _cancelButton->setEnabled(false);

    if (_calTypeInProgress == CalTypeOnboardCompass) {
        _restorePreviousCompassCalFitness();
    }

    if (code == StopCalibrationSuccess) {
        _resetInternalState();
        _progressBar->setProperty("value", 1);
        if (parameterExists(FactSystem::defaultComponentId, QStringLiteral("COMPASS_LEARN"))) {
            getParameterFact(FactSystem::defaultComponentId, QStringLiteral("COMPASS_LEARN"))->setRawValue(0);
        }
    } else {
        _progressBar->setProperty("value", 0);
    }
    
    _waitingForCancel = false;
    emit waitingForCancelChanged();

    _refreshParams();
    
    switch (code) {
    case StopCalibrationSuccess:
        _orientationCalAreaHelpText->setProperty("text", "Calibration complete");
        emit resetStatusTextArea();
        emit calibrationComplete(_calTypeInProgress);
        break;

    case StopCalibrationSuccessShowLog:
        emit calibrationComplete(_calTypeInProgress);
        break;

    case StopCalibrationCancelled:
        emit resetStatusTextArea();
        _hideAllCalAreas();
        break;

    default:
        // Assume failed
        _hideAllCalAreas();
        qgcApp()->showMessage(QStringLiteral("Calibration failed. Calibration log will be displayed."));
        break;
    }
    
    _calTypeInProgress = CalTypeNone;
}

void APMSensorsComponentController::_mavCommandResult(int vehicleId, int component, int command, int result, bool noReponseFromVehicle)
{
    Q_UNUSED(component);
    Q_UNUSED(noReponseFromVehicle);

    if (_vehicle->id() != vehicleId) {
        return;
    }

    if (command == MAV_CMD_DO_CANCEL_MAG_CAL) {
        disconnect(_vehicle, &Vehicle::mavCommandResult, this, &APMSensorsComponentController::_mavCommandResult);
        if (result == MAV_RESULT_ACCEPTED) {
            // Onboard mag cal is supported
            _calTypeInProgress = CalTypeOnboardCompass;
            _rgCompassCalProgress[0] = 0;
            _rgCompassCalProgress[1] = 0;
            _rgCompassCalProgress[2] = 0;
            _rgCompassCalComplete[0] = false;
            _rgCompassCalComplete[1] = false;
            _rgCompassCalComplete[2] = false;

            _startLogCalibration();
            uint8_t compassBits = 0;
            if (getParameterFact(FactSystem::defaultComponentId, "COMPASS_DEV_ID")->rawValue().toInt() > 0) {
                compassBits |= 1 << 0;
                qCDebug(APMSensorsComponentControllerLog) << "Performing onboard compass cal for compass 1";
            } else {
                _rgCompassCalComplete[0] = true;
                _rgCompassCalSucceeded[0] = true;
                _rgCompassCalFitness[0] = 0;
            }
            if (getParameterFact(FactSystem::defaultComponentId, "COMPASS_DEV_ID2")->rawValue().toInt() > 0) {
                compassBits |= 1 << 1;
                qCDebug(APMSensorsComponentControllerLog) << "Performing onboard compass cal for compass 2";
            } else {
                _rgCompassCalComplete[1] = true;
                _rgCompassCalSucceeded[1] = true;
                _rgCompassCalFitness[1] = 0;
            }
            if (getParameterFact(FactSystem::defaultComponentId, "COMPASS_DEV_ID3")->rawValue().toInt() > 0) {
                compassBits |= 1 << 2;
                qCDebug(APMSensorsComponentControllerLog) << "Performing onboard compass cal for compass 3";
            } else {
                _rgCompassCalComplete[2] = true;
                _rgCompassCalSucceeded[2] = true;
                _rgCompassCalFitness[2] = 0;
            }

            // We bump up the fitness value so calibration will always succeed
            Fact* compassCalFitness = getParameterFact(FactSystem::defaultComponentId, _compassCalFitnessParam);
            _restoreCompassCalFitness = true;
            _previousCompassCalFitness = compassCalFitness->rawValue().toFloat();
            getParameterFact(FactSystem::defaultComponentId, _compassCalFitnessParam)->setRawValue(100.0);

            _appendStatusLog(tr("Rotate the vehicle randomly around all axes until the progress bar fills all the way to the right ."));
            _vehicle->sendMavCommand(_vehicle->defaultComponentId(),
                                     MAV_CMD_DO_START_MAG_CAL,
                                     true,          // showError
                                     compassBits,   // which compass(es) to calibrate
                                     0,             // no retry on failure
                                     1,             // save values after complete
                                     0,             // no delayed start
                                     0);            // no auto-reboot

        } else {
            // Onboard mag cal is not supported
            _compassCal.startCalibration();
        }
    } else if (command == MAV_CMD_DO_START_MAG_CAL && result != MAV_RESULT_ACCEPTED) {
        _restorePreviousCompassCalFitness();
    }
}

void APMSensorsComponentController::calibrateCompass(void)
{
    // First we need to determine if the vehicle support onboard compass cal. There isn't an easy way to
    // do this. A hack is to send the mag cancel command and see if it is accepted.
    connect(_vehicle, &Vehicle::mavCommandResult, this, &APMSensorsComponentController::_mavCommandResult);
    _vehicle->sendMavCommand(_vehicle->defaultComponentId(), MAV_CMD_DO_CANCEL_MAG_CAL, false /* showError */);

    // Now we wait for the result to come back
}

void APMSensorsComponentController::calibrateAccel(void)
{
    _calTypeInProgress = CalTypeAccel;
    _vehicle->setConnectionLostEnabled(false);
    _startLogCalibration();
    _uas->startCalibration(UASInterface::StartCalibrationAccel);
}

void APMSensorsComponentController::calibrateMotorInterference(void)
{
    _calTypeInProgress = CalTypeCompassMot;
    _vehicle->setConnectionLostEnabled(false);
    _startLogCalibration();
    _appendStatusLog(tr("Raise the throttle slowly to between 50% ~ 75% (the props will spin!) for 5 ~ 10 seconds."));
    _appendStatusLog(tr("Quickly bring the throttle back down to zero"));
    _appendStatusLog(tr("Press the Next button to complete the calibration"));
    _uas->startCalibration(UASInterface::StartCalibrationCompassMot);
}

void APMSensorsComponentController::levelHorizon(void)
{
    _calTypeInProgress = CalTypeLevelHorizon;
    _vehicle->setConnectionLostEnabled(false);
    _startLogCalibration();
    _appendStatusLog(tr("Hold the vehicle in its level flight position."));
    _uas->startCalibration(UASInterface::StartCalibrationLevel);
}

void APMSensorsComponentController::calibratePressure(void)
{
    _calTypeInProgress = CalTypePressure;
    _vehicle->setConnectionLostEnabled(false);
    _startLogCalibration();
    _appendStatusLog(tr("Requesting pressure calibration..."));
    _uas->startCalibration(UASInterface::StartCalibrationPressure);
}

void APMSensorsComponentController::_handleUASTextMessage(int uasId, int compId, int severity, QString text)
{
    Q_UNUSED(compId);
    Q_UNUSED(severity);
    
    if (uasId != _vehicle->id()) {
        return;
    }

    if (text.startsWith(QLatin1Literal("PreArm:")) || text.startsWith(QLatin1Literal("EKF"))
            || text.startsWith(QLatin1Literal("Arm")) || text.startsWith(QLatin1Literal("Initialising"))) {
        return;
    }

    if (text.contains(QLatin1Literal("progress <"))) {
        QString percent = text.split("<").last().split(">").first();
        bool ok;
        int p = percent.toInt(&ok);
        if (ok && _progressBar) {
            _progressBar->setProperty("value", (float)(p / 100.0));
        }
        return;
    }

    QString anyKey(QStringLiteral("and press any"));
    if (text.contains(anyKey)) {
        text = text.left(text.indexOf(anyKey)) + QStringLiteral("and click Next to continue.");
        _nextButton->setEnabled(true);
    }

    _appendStatusLog(text);
    qCDebug(APMSensorsComponentControllerLog) << text << severity;

    if (text.contains(QLatin1String("Calibration successful"))) {
        _stopCalibration(StopCalibrationSuccess);
        return;
    }

    if (text.contains(QLatin1String("FAILED"))) {
        _stopCalibration(StopCalibrationFailed);
        return;
    }

    // All calibration messages start with [cal]
    QString calPrefix(QStringLiteral("[cal] "));
    if (!text.startsWith(calPrefix)) {
        return;
    }
    text = text.right(text.length() - calPrefix.length());

    QString calStartPrefix(QStringLiteral("calibration started: "));
    if (text.startsWith(calStartPrefix)) {
        text = text.right(text.length() - calStartPrefix.length());
        
        _startVisualCalibration();
        
        if (text == QLatin1Literal("accel") || text == QLatin1Literal("mag") || text == QLatin1Literal("gyro")) {
            // Reset all progress indication
            _orientationCalDownSideDone = false;
            _orientationCalUpsideDownSideDone = false;
            _orientationCalLeftSideDone = false;
            _orientationCalRightSideDone = false;
            _orientationCalTailDownSideDone = false;
            _orientationCalNoseDownSideDone = false;
            _orientationCalDownSideInProgress = false;
            _orientationCalUpsideDownSideInProgress = false;
            _orientationCalLeftSideInProgress = false;
            _orientationCalRightSideInProgress = false;
            _orientationCalNoseDownSideInProgress = false;
            _orientationCalTailDownSideInProgress = false;
            
            // Reset all visibility
            _orientationCalDownSideVisible = false;
            _orientationCalUpsideDownSideVisible = false;
            _orientationCalLeftSideVisible = false;
            _orientationCalRightSideVisible = false;
            _orientationCalTailDownSideVisible = false;
            _orientationCalNoseDownSideVisible = false;
            
            _orientationCalAreaHelpText->setProperty("text", "Place your vehicle into one of the Incomplete orientations shown below and hold it still");
            
            if (text == "accel") {
                _calTypeInProgress = CalTypeAccel;
                _orientationCalDownSideVisible = true;
                _orientationCalUpsideDownSideVisible = true;
                _orientationCalLeftSideVisible = true;
                _orientationCalRightSideVisible = true;
                _orientationCalTailDownSideVisible = true;
                _orientationCalNoseDownSideVisible = true;
            } else if (text == "mag") {
                _calTypeInProgress = CalTypeOffboardCompass;
                _orientationCalDownSideVisible = true;
                _orientationCalUpsideDownSideVisible = true;
                _orientationCalLeftSideVisible = true;
                _orientationCalRightSideVisible = true;
                _orientationCalTailDownSideVisible = true;
                _orientationCalNoseDownSideVisible = true;
            } else {
                Q_ASSERT(false);
            }
            emit orientationCalSidesDoneChanged();
            emit orientationCalSidesVisibleChanged();
            emit orientationCalSidesInProgressChanged();
            _updateAndEmitShowOrientationCalArea(true);
        }
        return;
    }
    
    if (text.endsWith(QLatin1Literal("orientation detected"))) {
        QString side = text.section(" ", 0, 0);
        qDebug() << "Side started" << side;
        
        if (side == QLatin1Literal("down")) {
            _orientationCalDownSideInProgress = true;
            if (_calTypeInProgress == CalTypeOffboardCompass) {
                _orientationCalDownSideRotate = true;
            }
        } else if (side == QLatin1Literal("up")) {
            _orientationCalUpsideDownSideInProgress = true;
            if (_calTypeInProgress == CalTypeOffboardCompass) {
                _orientationCalUpsideDownSideRotate = true;
            }
        } else if (side == QLatin1Literal("left")) {
            _orientationCalLeftSideInProgress = true;
            if (_calTypeInProgress == CalTypeOffboardCompass) {
                _orientationCalLeftSideRotate = true;
            }
        } else if (side == QLatin1Literal("right")) {
            _orientationCalRightSideInProgress = true;
            if (_calTypeInProgress == CalTypeOffboardCompass) {
                _orientationCalRightSideRotate = true;
            }
        } else if (side == QLatin1Literal("front")) {
            _orientationCalNoseDownSideInProgress = true;
            if (_calTypeInProgress == CalTypeOffboardCompass) {
                _orientationCalNoseDownSideRotate = true;
            }
        } else if (side == QLatin1Literal("back")) {
            _orientationCalTailDownSideInProgress = true;
            if (_calTypeInProgress == CalTypeOffboardCompass) {
                _orientationCalTailDownSideRotate = true;
            }
        }
        
        if (_calTypeInProgress == CalTypeOffboardCompass) {
            _orientationCalAreaHelpText->setProperty("text", "Rotate the vehicle continuously as shown in the diagram until marked as Completed");
        } else {
            _orientationCalAreaHelpText->setProperty("text", "Hold still in the current orientation");
        }
        
        emit orientationCalSidesInProgressChanged();
        emit orientationCalSidesRotateChanged();
        return;
    }
    
    if (text.endsWith(QLatin1Literal("side done, rotate to a different side"))) {
        QString side = text.section(" ", 0, 0);
        qDebug() << "Side finished" << side;
        
        if (side == QLatin1Literal("down")) {
            _orientationCalDownSideInProgress = false;
            _orientationCalDownSideDone = true;
            _orientationCalDownSideRotate = false;
        } else if (side == QLatin1Literal("up")) {
            _orientationCalUpsideDownSideInProgress = false;
            _orientationCalUpsideDownSideDone = true;
            _orientationCalUpsideDownSideRotate = false;
        } else if (side == QLatin1Literal("left")) {
            _orientationCalLeftSideInProgress = false;
            _orientationCalLeftSideDone = true;
            _orientationCalLeftSideRotate = false;
        } else if (side == QLatin1Literal("right")) {
            _orientationCalRightSideInProgress = false;
            _orientationCalRightSideDone = true;
            _orientationCalRightSideRotate = false;
        } else if (side == QLatin1Literal("front")) {
            _orientationCalNoseDownSideInProgress = false;
            _orientationCalNoseDownSideDone = true;
            _orientationCalNoseDownSideRotate = false;
        } else if (side == QLatin1Literal("back")) {
            _orientationCalTailDownSideInProgress = false;
            _orientationCalTailDownSideDone = true;
            _orientationCalTailDownSideRotate = false;
        }
        
        _orientationCalAreaHelpText->setProperty("text", "Place you vehicle into one of the orientations shown below and hold it still");

        emit orientationCalSidesInProgressChanged();
        emit orientationCalSidesDoneChanged();
        emit orientationCalSidesRotateChanged();
        return;
    }
    
    if (text.startsWith(QLatin1Literal("calibration done:"))) {
        _stopCalibration(StopCalibrationSuccess);
        return;
    }

    if (text.startsWith(QLatin1Literal("calibration cancelled"))) {
        _stopCalibration(_waitingForCancel ? StopCalibrationCancelled : StopCalibrationFailed);
        return;
    }

    if (text.startsWith(QLatin1Literal("calibration failed"))) {
        _stopCalibration(StopCalibrationFailed);
        return;
    }
}

void APMSensorsComponentController::_refreshParams(void)
{
    QStringList fastRefreshList;
    
    fastRefreshList << QStringLiteral("COMPASS_OFS_X") << QStringLiteral("COMPASS_OFS_X") << QStringLiteral("COMPASS_OFS_X")
                    << QStringLiteral("INS_ACCOFFS_X") << QStringLiteral("INS_ACCOFFS_Y") << QStringLiteral("INS_ACCOFFS_Z");
    foreach (const QString &paramName, fastRefreshList) {
        _vehicle->parameterManager()->refreshParameter(FactSystem::defaultComponentId, paramName);
    }
    
    // Now ask for all to refresh
    _vehicle->parameterManager()->refreshParametersPrefix(FactSystem::defaultComponentId, QStringLiteral("COMPASS_"));
    _vehicle->parameterManager()->refreshParametersPrefix(FactSystem::defaultComponentId, QStringLiteral("INS_"));
}

void APMSensorsComponentController::_updateAndEmitShowOrientationCalArea(bool show)
{
    _showOrientationCalArea = show;
    emit showOrientationCalAreaChanged();
}

void APMSensorsComponentController::_hideAllCalAreas(void)
{
    _updateAndEmitShowOrientationCalArea(false);
}

void APMSensorsComponentController::cancelCalibration(void)
{
    _cancelButton->setEnabled(false);

    if (_calTypeInProgress == CalTypeOffboardCompass) {
        _waitingForCancel = true;
        emit waitingForCancelChanged();
        _compassCal.cancelCalibration();
    } else if (_calTypeInProgress == CalTypeOnboardCompass) {
        _vehicle->sendMavCommand(_vehicle->defaultComponentId(), MAV_CMD_DO_CANCEL_MAG_CAL, true /* showError */);
        _stopCalibration(StopCalibrationCancelled);
    } else {
        _waitingForCancel = true;
        emit waitingForCancelChanged();
        // The firmware doesn't always allow us to cancel calibration. The best we can do is wait
        // for it to timeout.
        _uas->stopCalibration();
    }

}

void APMSensorsComponentController::nextClicked(void)
{
    mavlink_message_t       msg;
    mavlink_command_ack_t   ack;

    ack.command = 0;
    ack.result = 1;
    mavlink_msg_command_ack_encode_chan(qgcApp()->toolbox()->mavlinkProtocol()->getSystemId(),
                                        qgcApp()->toolbox()->mavlinkProtocol()->getComponentId(),
                                        _vehicle->priorityLink()->mavlinkChannel(),
                                        &msg,
                                        &ack);

    _vehicle->sendMessageOnLink(_vehicle->priorityLink(), msg);

    if (_calTypeInProgress == CalTypeCompassMot) {
        _stopCalibration(StopCalibrationSuccess);
    }
}

bool APMSensorsComponentController::compassSetupNeeded(void) const
{
    return _sensorsComponent->compassSetupNeeded();
}

bool APMSensorsComponentController::accelSetupNeeded(void) const
{
    return _sensorsComponent->accelSetupNeeded();
}

bool APMSensorsComponentController::usingUDPLink(void)
{
    return _vehicle->priorityLink()->getLinkConfiguration()->type() == LinkConfiguration::TypeUdp;
}

void APMSensorsComponentController::_handleCommandAck(mavlink_message_t& message)
{
    if (_calTypeInProgress == CalTypeLevelHorizon) {
        mavlink_command_ack_t commandAck;
        mavlink_msg_command_ack_decode(&message, &commandAck);

        if (commandAck.command == MAV_CMD_PREFLIGHT_CALIBRATION) {
            switch (commandAck.result) {
            case MAV_RESULT_ACCEPTED:
                _appendStatusLog(tr("Level horizon complete"));
                _stopCalibration(StopCalibrationSuccessShowLog);
                break;
            default:
                _appendStatusLog(tr("Level horizon failed"));
                _stopCalibration(StopCalibrationFailed);
                break;
            }
        }
    }

    if (_calTypeInProgress == CalTypePressure) {
        mavlink_command_ack_t commandAck;
        mavlink_msg_command_ack_decode(&message, &commandAck);

        if (commandAck.command == MAV_CMD_PREFLIGHT_CALIBRATION) {
            switch (commandAck.result) {
            case MAV_RESULT_ACCEPTED:
                _appendStatusLog(tr("Pressure calibration success"));
                _stopCalibration(StopCalibrationSuccessShowLog);
                break;
            default:
                _appendStatusLog(tr("Pressure calibration fail"));
                _stopCalibration(StopCalibrationFailed);
                break;
            }
        }
    }
}

void APMSensorsComponentController::_handleMagCalProgress(mavlink_message_t& message)
{
    if (_calTypeInProgress == CalTypeOnboardCompass) {
        mavlink_mag_cal_progress_t magCalProgress;
        mavlink_msg_mag_cal_progress_decode(&message, &magCalProgress);

        qCDebug(APMSensorsComponentControllerVerboseLog) << "_handleMagCalProgress id:mask:pct"
                                                  << magCalProgress.compass_id << magCalProgress.cal_mask << magCalProgress.completion_pct;

        // How many compasses are we calibrating?
        int compassCalCount = 0;
        for (int i=0; i<3; i++) {
            if (magCalProgress.cal_mask & (1 << i)) {
                compassCalCount++;
            }
        }

        if (magCalProgress.compass_id < 3) {
            // Each compass gets a portion of the overall progress
            _rgCompassCalProgress[magCalProgress.compass_id] = magCalProgress.completion_pct / compassCalCount;
        }

        if (_progressBar) {
            _progressBar->setProperty("value", (float)(_rgCompassCalProgress[0] + _rgCompassCalProgress[1] + _rgCompassCalProgress[2]) / 100.0);
        }
    }
}

void APMSensorsComponentController::_handleMagCalReport(mavlink_message_t& message)
{
    if (_calTypeInProgress == CalTypeOnboardCompass) {
        mavlink_mag_cal_report_t magCalReport;
        mavlink_msg_mag_cal_report_decode(&message, &magCalReport);

        qCDebug(APMSensorsComponentControllerVerboseLog) << "_handleMagCalReport id:mask:status:fitness"
                                                  << magCalReport.compass_id << magCalReport.cal_mask << magCalReport.cal_status << magCalReport.fitness;

        bool additionalCompassCompleted = false;
        if (magCalReport.compass_id < 3 && !_rgCompassCalComplete[magCalReport.compass_id]) {
            if (magCalReport.cal_status == MAG_CAL_SUCCESS) {
                _appendStatusLog(tr("Compass %1 calibration complete").arg(magCalReport.compass_id));
            } else {
                _appendStatusLog(tr("Compass %1 calibration below quality threshold").arg(magCalReport.compass_id));
            }
            _rgCompassCalComplete[magCalReport.compass_id] = true;
            _rgCompassCalSucceeded[magCalReport.compass_id] = magCalReport.cal_status == MAG_CAL_SUCCESS;
            _rgCompassCalFitness[magCalReport.compass_id] = magCalReport.fitness;
            additionalCompassCompleted = true;
        }

        if (_rgCompassCalComplete[0] && _rgCompassCalComplete[1] &&_rgCompassCalComplete[2]) {
            for (int i=0; i<3; i++) {
                qCDebug(APMSensorsComponentControllerLog) << QString("Onboard compass call report #%1: succeed:fitness %2:%3").arg(i).arg(_rgCompassCalSucceeded[i]).arg(_rgCompassCalFitness[i]);
            }
            emit compass1CalFitnessChanged(_rgCompassCalFitness[0]);
            emit compass2CalFitnessChanged(_rgCompassCalFitness[1]);
            emit compass3CalFitnessChanged(_rgCompassCalFitness[2]);
            emit compass1CalSucceededChanged(_rgCompassCalSucceeded[0]);
            emit compass2CalSucceededChanged(_rgCompassCalSucceeded[1]);
            emit compass3CalSucceededChanged(_rgCompassCalSucceeded[2]);
            if (_rgCompassCalSucceeded[0] && _rgCompassCalSucceeded[1] && _rgCompassCalSucceeded[2]) {
                _appendStatusLog(tr("All compasses calibrated successfully"));
                _appendStatusLog(tr("YOU MUST REBOOT YOUR VEHICLE NOW FOR NEW SETTINGS TO TAKE AFFECT"));
                _stopCalibration(StopCalibrationSuccessShowLog);
            } else {
                _appendStatusLog(tr("Compass calibration failed"));
                _appendStatusLog(tr("YOU MUST REBOOT YOUR VEHICLE NOW AND RETRY COMPASS CALIBRATION PRIOR TO FLIGHT"));
                _stopCalibration(StopCalibrationFailed);
            }
        } else if (additionalCompassCompleted) {
            _appendStatusLog(tr("Continue rotating..."));
        }

    }
}

void APMSensorsComponentController::_mavlinkMessageReceived(LinkInterface* link, mavlink_message_t message)
{
    Q_UNUSED(link);

    if (message.sysid != _vehicle->id()) {
        return;
    }

    switch (message.msgid) {
    case MAVLINK_MSG_ID_COMMAND_ACK:
        _handleCommandAck(message);
        break;
    case MAVLINK_MSG_ID_MAG_CAL_PROGRESS:
        _handleMagCalProgress(message);
        break;
    case MAVLINK_MSG_ID_MAG_CAL_REPORT:
        _handleMagCalReport(message);
        break;
    }
}

void APMSensorsComponentController::_restorePreviousCompassCalFitness(void)
{
    if (_restoreCompassCalFitness) {
        _restoreCompassCalFitness = false;
        getParameterFact(FactSystem::defaultComponentId, _compassCalFitnessParam)->setRawValue(_previousCompassCalFitness);
    }
}