Vehicle.cc

        emit requestProtocolVersion(_maxProtoVersion);

        // Now that the protocol version is known, the mission load is safe
        // as it will use the right MAVLink version to enable all features
        // the vehicle supports
        _startPlanRequest();
    }
}

QString Vehicle::vehicleUIDStr()
{
    QString uid;
    uint8_t* pUid = (uint8_t*)(void*)&_uid;
    uid.sprintf("%02X:%02X:%02X:%02X:%02X:%02X:%02X:%02X",
                pUid[0] & 0xff,
            pUid[1] & 0xff,
            pUid[2] & 0xff,
            pUid[3] & 0xff,
            pUid[4] & 0xff,
            pUid[5] & 0xff,
            pUid[6] & 0xff,
            pUid[7] & 0xff);
    return uid;
}

void Vehicle::_handleHilActuatorControls(mavlink_message_t &message)
{
    mavlink_hil_actuator_controls_t hil;
    mavlink_msg_hil_actuator_controls_decode(&message, &hil);
    emit hilActuatorControlsChanged(hil.time_usec, hil.flags,
                                    hil.controls[0],
            hil.controls[1],
            hil.controls[2],
            hil.controls[3],
            hil.controls[4],
            hil.controls[5],
            hil.controls[6],
            hil.controls[7],
            hil.controls[8],
            hil.controls[9],
            hil.controls[10],
            hil.controls[11],
            hil.controls[12],
            hil.controls[13],
            hil.controls[14],
            hil.controls[15],
            hil.mode);
}

void Vehicle::_handleCommandLong(mavlink_message_t& message)
{
#ifdef NO_SERIAL_LINK
    // If not using serial link, bail out.
    Q_UNUSED(message)
#else
    mavlink_command_long_t cmd;
    mavlink_msg_command_long_decode(&message, &cmd);

    switch (cmd.command) {
    // Other component on the same system
    // requests that QGC frees up the serial port of the autopilot
    case MAV_CMD_PREFLIGHT_REBOOT_SHUTDOWN:
        if (cmd.param6 > 0) {
            // disconnect the USB link if its a direct connection to a Pixhawk
            for (int i = 0; i < _links.length(); i++) {
                SerialLink *sl = qobject_cast<SerialLink*>(_links.at(i));
                if (sl && sl->getSerialConfig()->usbDirect()) {
                    qDebug() << "Disconnecting:" << _links.at(i)->getName();
                    qgcApp()->toolbox()->linkManager()->disconnectLink(_links.at(i));
                }
            }
        }
        break;
    }
#endif
}

void Vehicle::_handleExtendedSysState(mavlink_message_t& message)
{
    mavlink_extended_sys_state_t extendedState;
    mavlink_msg_extended_sys_state_decode(&message, &extendedState);

    switch (extendedState.landed_state) {
    case MAV_LANDED_STATE_ON_GROUND:
        _setFlying(false);
        _setLanding(false);
        break;
    case MAV_LANDED_STATE_TAKEOFF:
    case MAV_LANDED_STATE_IN_AIR:
        _setFlying(true);
        _setLanding(false);
        break;
    case MAV_LANDED_STATE_LANDING:
        _setFlying(true);
        _setLanding(true);
        break;
    default:
        break;
    }

    if (vtol()) {
        bool vtolInFwdFlight = extendedState.vtol_state == MAV_VTOL_STATE_FW;
        if (vtolInFwdFlight != _vtolInFwdFlight) {
            _vtolInFwdFlight = vtolInFwdFlight;
            emit vtolInFwdFlightChanged(vtolInFwdFlight);
        }
    }
}

void Vehicle::_handleVibration(mavlink_message_t& message)
{
    mavlink_vibration_t vibration;
    mavlink_msg_vibration_decode(&message, &vibration);

    _vibrationFactGroup.xAxis()->setRawValue(vibration.vibration_x);
    _vibrationFactGroup.yAxis()->setRawValue(vibration.vibration_y);
    _vibrationFactGroup.zAxis()->setRawValue(vibration.vibration_z);
    _vibrationFactGroup.clipCount1()->setRawValue(vibration.clipping_0);
    _vibrationFactGroup.clipCount2()->setRawValue(vibration.clipping_1);
    _vibrationFactGroup.clipCount3()->setRawValue(vibration.clipping_2);
}

void Vehicle::_handleWindCov(mavlink_message_t& message)
{
    mavlink_wind_cov_t wind;
    mavlink_msg_wind_cov_decode(&message, &wind);

    float direction = qRadiansToDegrees(qAtan2(wind.wind_y, wind.wind_x));
    float speed = qSqrt(qPow(wind.wind_x, 2) + qPow(wind.wind_y, 2));

    _windFactGroup.direction()->setRawValue(direction);
    _windFactGroup.speed()->setRawValue(speed);
    _windFactGroup.verticalSpeed()->setRawValue(0);
}

#if !defined(NO_ARDUPILOT_DIALECT)
void Vehicle::_handleWind(mavlink_message_t& message)
{
    mavlink_wind_t wind;
    mavlink_msg_wind_decode(&message, &wind);

    // We don't want negative wind angles
    float direction = wind.direction;
    if (direction < 0) {
        direction += 360;
    }
    _windFactGroup.direction()->setRawValue(direction);
    _windFactGroup.speed()->setRawValue(wind.speed);
    _windFactGroup.verticalSpeed()->setRawValue(wind.speed_z);
}
#endif

void Vehicle::_handleSysStatus(mavlink_message_t& message)
{
    mavlink_sys_status_t sysStatus;
    mavlink_msg_sys_status_decode(&message, &sysStatus);

    if (sysStatus.current_battery == -1) {
        _batteryFactGroup.current()->setRawValue(VehicleBatteryFactGroup::_currentUnavailable);
    } else {
        // Current is in Amps, current_battery is 10 * milliamperes (1 = 10 milliampere)
        _batteryFactGroup.current()->setRawValue((float)sysStatus.current_battery / 100.0f);
    }
    if (sysStatus.voltage_battery == UINT16_MAX) {
        _batteryFactGroup.voltage()->setRawValue(VehicleBatteryFactGroup::_voltageUnavailable);
    } else {
        _batteryFactGroup.voltage()->setRawValue((double)sysStatus.voltage_battery / 1000.0);
        // current_battery is 10 mA and voltage_battery is 1mV. (10/1e3 times 1/1e3 = 1/1e5)
        _batteryFactGroup.instantPower()->setRawValue((float)(sysStatus.current_battery*sysStatus.voltage_battery)/(100000.0));
    }
    _batteryFactGroup.percentRemaining()->setRawValue(sysStatus.battery_remaining);

    if (sysStatus.battery_remaining > 0) {
        if (sysStatus.battery_remaining < _settingsManager->appSettings()->batteryPercentRemainingAnnounce()->rawValue().toInt() &&
                sysStatus.battery_remaining < _lastAnnouncedLowBatteryPercent) {
            _say(QString(tr("%1 low battery: %2 percent remaining")).arg(_vehicleIdSpeech()).arg(sysStatus.battery_remaining));
        }
        _lastAnnouncedLowBatteryPercent = sysStatus.battery_remaining;
    }

    _onboardControlSensorsPresent = sysStatus.onboard_control_sensors_present;
    _onboardControlSensorsEnabled = sysStatus.onboard_control_sensors_enabled;
    _onboardControlSensorsHealth = sysStatus.onboard_control_sensors_health;

    uint32_t newSensorsUnhealthy = _onboardControlSensorsEnabled & ~_onboardControlSensorsHealth;
    if (newSensorsUnhealthy != _onboardControlSensorsUnhealthy) {
        _onboardControlSensorsUnhealthy = newSensorsUnhealthy;
        emit unhealthySensorsChanged();
    }
}

void Vehicle::_handleBatteryStatus(mavlink_message_t& message)
{
    mavlink_battery_status_t bat_status;
    mavlink_msg_battery_status_decode(&message, &bat_status);

    if (bat_status.temperature == INT16_MAX) {
        _batteryFactGroup.temperature()->setRawValue(VehicleBatteryFactGroup::_temperatureUnavailable);
    } else {
        _batteryFactGroup.temperature()->setRawValue((double)bat_status.temperature / 100.0);
    }
    if (bat_status.current_consumed == -1) {
        _batteryFactGroup.mahConsumed()->setRawValue(VehicleBatteryFactGroup::_mahConsumedUnavailable);
    } else {
        _batteryFactGroup.mahConsumed()->setRawValue(bat_status.current_consumed);
    }

    int cellCount = 0;
    for (int i=0; i<10; i++) {
        if (bat_status.voltages[i] != UINT16_MAX) {
            cellCount++;
        }
    }
    if (cellCount == 0) {
        cellCount = -1;
    }

    _batteryFactGroup.cellCount()->setRawValue(cellCount);
}

void Vehicle::_setHomePosition(QGeoCoordinate& homeCoord)
{
    if (homeCoord != _homePosition) {
        _homePosition = homeCoord;
        emit homePositionChanged(_homePosition);
    }
}

void Vehicle::_handleHomePosition(mavlink_message_t& message)
{
    mavlink_home_position_t homePos;

    mavlink_msg_home_position_decode(&message, &homePos);

    QGeoCoordinate newHomePosition (homePos.latitude / 10000000.0,
                                    homePos.longitude / 10000000.0,
                                    homePos.altitude / 1000.0);
    _setHomePosition(newHomePosition);
}

void Vehicle::_handleHeartbeat(mavlink_message_t& message)
{
    if (message.compid != _defaultComponentId) {
        return;
    }

    mavlink_heartbeat_t heartbeat;

    mavlink_msg_heartbeat_decode(&message, &heartbeat);

    bool newArmed = heartbeat.base_mode & MAV_MODE_FLAG_DECODE_POSITION_SAFETY;

    if (_armed != newArmed) {
        _armed = newArmed;
        emit armedChanged(_armed);

        // We are transitioning to the armed state, begin tracking trajectory points for the map
        if (_armed) {
            _mapTrajectoryStart();
            _clearCameraTriggerPoints();
        } else {
            _mapTrajectoryStop();
            // Also handle Video Streaming
            if(_settingsManager->videoSettings()->disableWhenDisarmed()->rawValue().toBool()) {
                _settingsManager->videoSettings()->streamEnabled()->setRawValue(false);
                qgcApp()->toolbox()->videoManager()->videoReceiver()->stop();
            }
        }
    }

    if (heartbeat.base_mode != _base_mode || heartbeat.custom_mode != _custom_mode) {
        QString previousFlightMode;
        if (_base_mode != 0 || _custom_mode != 0){
            // Vehicle is initialized with _base_mode=0 and _custom_mode=0. Don't pass this to flightMode() since it will complain about
            // bad modes while unit testing.
            previousFlightMode = flightMode();
        }
        _base_mode = heartbeat.base_mode;
        _custom_mode = heartbeat.custom_mode;
        if (previousFlightMode != flightMode()) {
            emit flightModeChanged(flightMode());
        }
    }
}

void Vehicle::_handleRadioStatus(mavlink_message_t& message)
{

    //-- Process telemetry status message
    mavlink_radio_status_t rstatus;
    mavlink_msg_radio_status_decode(&message, &rstatus);

    int rssi    = rstatus.rssi;
    int remrssi = rstatus.remrssi;
    int lnoise = (int)(int8_t)rstatus.noise;
    int rnoise = (int)(int8_t)rstatus.remnoise;
    //-- 3DR Si1k radio needs rssi fields to be converted to dBm
    if (message.sysid == '3' && message.compid == 'D') {
        /* Per the Si1K datasheet figure 23.25 and SI AN474 code
         * samples the relationship between the RSSI register
         * and received power is as follows:
         *
         *                       10
         * inputPower = rssi * ------ 127
         *                       19
         *
         * Additionally limit to the only realistic range [-120,0] dBm
         */
        rssi    = qMin(qMax(qRound(static_cast<qreal>(rssi)    / 1.9 - 127.0), - 120), 0);
        remrssi = qMin(qMax(qRound(static_cast<qreal>(remrssi) / 1.9 - 127.0), - 120), 0);
    } else {
        rssi    = (int)(int8_t)rstatus.rssi;
        remrssi = (int)(int8_t)rstatus.remrssi;
    }
    //-- Check for changes
    if(_telemetryLRSSI != rssi) {
        _telemetryLRSSI = rssi;
        emit telemetryLRSSIChanged(_telemetryLRSSI);
    }
    if(_telemetryRRSSI != remrssi) {
        _telemetryRRSSI = remrssi;
        emit telemetryRRSSIChanged(_telemetryRRSSI);
    }
    if(_telemetryRXErrors != rstatus.rxerrors) {
        _telemetryRXErrors = rstatus.rxerrors;
        emit telemetryRXErrorsChanged(_telemetryRXErrors);
    }
    if(_telemetryFixed != rstatus.fixed) {
        _telemetryFixed = rstatus.fixed;
        emit telemetryFixedChanged(_telemetryFixed);
    }
    if(_telemetryTXBuffer != rstatus.txbuf) {
        _telemetryTXBuffer = rstatus.txbuf;
        emit telemetryTXBufferChanged(_telemetryTXBuffer);
    }
    if(_telemetryLNoise != lnoise) {
        _telemetryLNoise = lnoise;
        emit telemetryLNoiseChanged(_telemetryLNoise);
    }
    if(_telemetryRNoise != rnoise) {
        _telemetryRNoise = rnoise;
        emit telemetryRNoiseChanged(_telemetryRNoise);
    }
}

void Vehicle::_handleRCChannels(mavlink_message_t& message)
{
    mavlink_rc_channels_t channels;

    mavlink_msg_rc_channels_decode(&message, &channels);

    uint16_t* _rgChannelvalues[cMaxRcChannels] = {
        &channels.chan1_raw,
        &channels.chan2_raw,
        &channels.chan3_raw,
        &channels.chan4_raw,
        &channels.chan5_raw,
        &channels.chan6_raw,
        &channels.chan7_raw,
        &channels.chan8_raw,
        &channels.chan9_raw,
        &channels.chan10_raw,
        &channels.chan11_raw,
        &channels.chan12_raw,
        &channels.chan13_raw,
        &channels.chan14_raw,
        &channels.chan15_raw,
        &channels.chan16_raw,
        &channels.chan17_raw,
        &channels.chan18_raw,
    };
    int pwmValues[cMaxRcChannels];

    for (int i=0; i<cMaxRcChannels; i++) {
        uint16_t channelValue = *_rgChannelvalues[i];

        if (i < channels.chancount) {
            pwmValues[i] = channelValue == UINT16_MAX ? -1 : channelValue;
        } else {
            pwmValues[i] = -1;
        }
    }

    emit remoteControlRSSIChanged(channels.rssi);
    emit rcChannelsChanged(channels.chancount, pwmValues);
}

void Vehicle::_handleRCChannelsRaw(mavlink_message_t& message)
{
    // We handle both RC_CHANNLES and RC_CHANNELS_RAW since different firmware will only
    // send one or the other.

    mavlink_rc_channels_raw_t channels;

    mavlink_msg_rc_channels_raw_decode(&message, &channels);

    uint16_t* _rgChannelvalues[cMaxRcChannels] = {
        &channels.chan1_raw,
        &channels.chan2_raw,
        &channels.chan3_raw,
        &channels.chan4_raw,
        &channels.chan5_raw,
        &channels.chan6_raw,
        &channels.chan7_raw,
        &channels.chan8_raw,
    };

    int pwmValues[cMaxRcChannels];
    int channelCount = 0;

    for (int i=0; i<cMaxRcChannels; i++) {
        pwmValues[i] = -1;
    }

    for (int i=0; i<8; i++) {
        uint16_t channelValue = *_rgChannelvalues[i];

        if (channelValue == UINT16_MAX) {
            pwmValues[i] = -1;
        } else {
            channelCount = i + 1;
            pwmValues[i] = channelValue;
        }
    }
    for (int i=9; i<18; i++) {
        pwmValues[i] = -1;
    }

    emit remoteControlRSSIChanged(channels.rssi);
    emit rcChannelsChanged(channelCount, pwmValues);
}

void Vehicle::_handleScaledPressure(mavlink_message_t& message) {
    mavlink_scaled_pressure_t pressure;
    mavlink_msg_scaled_pressure_decode(&message, &pressure);
    _temperatureFactGroup.temperature1()->setRawValue(pressure.temperature / 100.0);
}

void Vehicle::_handleScaledPressure2(mavlink_message_t& message) {
    mavlink_scaled_pressure2_t pressure;
    mavlink_msg_scaled_pressure2_decode(&message, &pressure);
    _temperatureFactGroup.temperature2()->setRawValue(pressure.temperature / 100.0);
}

void Vehicle::_handleScaledPressure3(mavlink_message_t& message) {
    mavlink_scaled_pressure3_t pressure;
    mavlink_msg_scaled_pressure3_decode(&message, &pressure);
    _temperatureFactGroup.temperature3()->setRawValue(pressure.temperature / 100.0);
}

bool Vehicle::_containsLink(LinkInterface* link)
{
    return _links.contains(link);
}

void Vehicle::_addLink(LinkInterface* link)
{
    if (!_containsLink(link)) {
        qCDebug(VehicleLog) << "_addLink:" << QString("%1").arg((ulong)link, 0, 16);
        _links += link;
        _updatePriorityLink();
        _updateHighLatencyLink();
        connect(_toolbox->linkManager(), &LinkManager::linkInactive, this, &Vehicle::_linkInactiveOrDeleted);
        connect(_toolbox->linkManager(), &LinkManager::linkDeleted, this, &Vehicle::_linkInactiveOrDeleted);
        connect(link, &LinkInterface::highLatencyChanged, this, &Vehicle::_updateHighLatencyLink);
    }
}

void Vehicle::_linkInactiveOrDeleted(LinkInterface* link)
{
    qCDebug(VehicleLog) << "_linkInactiveOrDeleted linkCount" << _links.count();

    _links.removeOne(link);
    _updatePriorityLink();

    if (_links.count() == 0 && !_allLinksInactiveSent) {
        qCDebug(VehicleLog) << "All links inactive";
        // Make sure to not send this more than one time
        _allLinksInactiveSent = true;
        emit allLinksInactive(this);
    }
}

bool Vehicle::sendMessageOnLink(LinkInterface* link, mavlink_message_t message)
{
    if (!link || !_links.contains(link) || !link->isConnected()) {
        return false;
    }

    emit _sendMessageOnLinkOnThread(link, message);

    return true;
}

void Vehicle::_sendMessageOnLink(LinkInterface* link, mavlink_message_t message)
{
    // Make sure this is still a good link
    if (!link || !_links.contains(link) || !link->isConnected()) {
        return;
    }

#if 0
    // Leaving in for ease in Mav 2.0 testing
    mavlink_status_t* mavlinkStatus = mavlink_get_channel_status(link->mavlinkChannel());
    qDebug() << "_sendMessageOnLink" << mavlinkStatus << link->mavlinkChannel() << mavlinkStatus->flags << message.magic;
#endif

    // Give the plugin a chance to adjust
    _firmwarePlugin->adjustOutgoingMavlinkMessage(this, link, &message);

    // Write message into buffer, prepending start sign
    uint8_t buffer[MAVLINK_MAX_PACKET_LEN];
    int len = mavlink_msg_to_send_buffer(buffer, &message);

    link->writeBytesSafe((const char*)buffer, len);
    _messagesSent++;
    emit messagesSentChanged();
}

void Vehicle::_updatePriorityLink(void)
{
    LinkInterface* newPriorityLink = NULL;

    // This routine specifically does not clear _priorityLink when there are no links remaining.
    // By doing this we hold a reference on the last link as the Vehicle shuts down. Thus preventing shutdown
    // ordering NULL pointer crashes where priorityLink() is still called during shutdown sequence.
    if (_links.count() == 0) {
        return;
    }

    // Check for the existing priority link to still be valid
    for (int i=0; i<_links.count(); i++) {
        if (_priorityLink.data() == _links[i]) {
            if (!_priorityLink.data()->highLatency()) {
                // Link is still valid. Continue to use it unless it is high latency. In that case we still look for a better
                // link to use as priority link.
                return;
            }
        }
    }

    // The previous priority link is no longer valid. We must no find the best link available in this priority order:
    //      Direct USB connection
    //      Not a high latency link
    //      Any link

#ifndef NO_SERIAL_LINK
    // Search for direct usb connection
    for (int i=0; i<_links.count(); i++) {
        LinkInterface* link = _links[i];
        SerialLink* pSerialLink = qobject_cast<SerialLink*>(link);
        if (pSerialLink) {
            LinkConfiguration* config = pSerialLink->getLinkConfiguration();
            if (config) {
                SerialConfiguration* pSerialConfig = qobject_cast<SerialConfiguration*>(config);
                if (pSerialConfig && pSerialConfig->usbDirect()) {
                    if (_priorityLink.data() != link) {
                        newPriorityLink = link;
                        break;
                    }
                    return;
                }
            }
        }
    }
#endif

    if (!newPriorityLink) {
        // Search for non-high latency link
        for (int i=0; i<_links.count(); i++) {
            LinkInterface* link = _links[i];
            if (!link->highLatency()) {
                newPriorityLink = link;
                break;
            }
        }
    }

    if (!newPriorityLink) {
        // Use any link
        newPriorityLink = _links[0];
    }

    _priorityLink = _toolbox->linkManager()->sharedLinkInterfacePointerForLink(newPriorityLink);
    _updateHighLatencyLink();
}

void Vehicle::_updateAttitude(UASInterface*, double roll, double pitch, double yaw, quint64)
{
    if (qIsInf(roll)) {
        _rollFact.setRawValue(0);
    } else {
        _rollFact.setRawValue(roll * (180.0 / M_PI));
    }
    if (qIsInf(pitch)) {
        _pitchFact.setRawValue(0);
    } else {
        _pitchFact.setRawValue(pitch * (180.0 / M_PI));
    }
    if (qIsInf(yaw)) {
        _headingFact.setRawValue(0);
    } else {
        yaw = yaw * (180.0 / M_PI);
        if (yaw < 0.0) yaw += 360.0;
        // truncate to integer so widget never displays 360
        _headingFact.setRawValue(trunc(yaw));
    }
}

void Vehicle::_updateAttitude(UASInterface* uas, int, double roll, double pitch, double yaw, quint64 timestamp)
{
    _updateAttitude(uas, roll, pitch, yaw, timestamp);
}

int Vehicle::motorCount(void)
{
    switch (_vehicleType) {
    case MAV_TYPE_HELICOPTER:
        return 1;
    case MAV_TYPE_VTOL_DUOROTOR:
        return 2;
    case MAV_TYPE_TRICOPTER:
        return 3;
    case MAV_TYPE_QUADROTOR:
    case MAV_TYPE_VTOL_QUADROTOR:
        return 4;
    case MAV_TYPE_HEXAROTOR:
        return 6;
    case MAV_TYPE_OCTOROTOR:
        return 8;
    default:
        return -1;
    }
}

bool Vehicle::coaxialMotors(void)
{
    return _firmwarePlugin->multiRotorCoaxialMotors(this);
}

bool Vehicle::xConfigMotors(void)
{
    return _firmwarePlugin->multiRotorXConfig(this);
}

/*
 * Internal
 */

QString Vehicle::getMavIconColor()
{
    // TODO: Not using because not only the colors are ghastly, it doesn't respect dark/light palette
    if(_mav)
        return _mav->getColor().name();
    else
        return QString("black");
}

QString Vehicle::formatedMessages()
{
    QString messages;
    foreach(UASMessage* message, _toolbox->uasMessageHandler()->messages()) {
        messages += message->getFormatedText();
    }
    return messages;
}

void Vehicle::clearMessages()
{
    _toolbox->uasMessageHandler()->clearMessages();
}

void Vehicle::_handletextMessageReceived(UASMessage* message)
{
    if(message)
    {
        _formatedMessage = message->getFormatedText();
        emit formatedMessageChanged();
    }
}

void Vehicle::_handleTextMessage(int newCount)
{
    // Reset?
    if(!newCount) {
        _currentMessageCount = 0;
        _currentNormalCount  = 0;
        _currentWarningCount = 0;
        _currentErrorCount   = 0;
        _messageCount        = 0;
        _currentMessageType  = MessageNone;
        emit newMessageCountChanged();
        emit messageTypeChanged();
        emit messageCountChanged();
        return;
    }

    UASMessageHandler* pMh = _toolbox->uasMessageHandler();
    MessageType_t type = newCount ? _currentMessageType : MessageNone;
    int errorCount     = _currentErrorCount;
    int warnCount      = _currentWarningCount;
    int normalCount    = _currentNormalCount;
    //-- Add current message counts
    errorCount  += pMh->getErrorCount();
    warnCount   += pMh->getWarningCount();
    normalCount += pMh->getNormalCount();
    //-- See if we have a higher level
    if(errorCount != _currentErrorCount) {
        _currentErrorCount = errorCount;
        type = MessageError;
    }
    if(warnCount != _currentWarningCount) {
        _currentWarningCount = warnCount;
        if(_currentMessageType != MessageError) {
            type = MessageWarning;
        }
    }
    if(normalCount != _currentNormalCount) {
        _currentNormalCount = normalCount;
        if(_currentMessageType != MessageError && _currentMessageType != MessageWarning) {
            type = MessageNormal;
        }
    }
    int count = _currentErrorCount + _currentWarningCount + _currentNormalCount;
    if(count != _currentMessageCount) {
        _currentMessageCount = count;
        // Display current total new messages count
        emit newMessageCountChanged();
    }
    if(type != _currentMessageType) {
        _currentMessageType = type;
        // Update message level
        emit messageTypeChanged();
    }
    // Update message count (all messages)
    if(newCount != _messageCount) {
        _messageCount = newCount;
        emit messageCountChanged();
    }
    QString errMsg = pMh->getLatestError();
    if(errMsg != _latestError) {
        _latestError = errMsg;
        emit latestErrorChanged();
    }
}

void Vehicle::resetMessages()
{
    // Reset Counts
    int count = _currentMessageCount;
    MessageType_t type = _currentMessageType;
    _currentErrorCount   = 0;
    _currentWarningCount = 0;
    _currentNormalCount  = 0;
    _currentMessageCount = 0;
    _currentMessageType = MessageNone;
    if(count != _currentMessageCount) {
        emit newMessageCountChanged();
    }
    if(type != _currentMessageType) {
        emit messageTypeChanged();
    }
}

int Vehicle::manualControlReservedButtonCount(void)
{
    return _firmwarePlugin->manualControlReservedButtonCount();
}

void Vehicle::_loadSettings(void)
{
    if (!_active) {
        return;
    }

    QSettings settings;

    settings.beginGroup(QString(_settingsGroup).arg(_id));

    bool convertOk;

    _joystickMode = (JoystickMode_t)settings.value(_joystickModeSettingsKey, JoystickModeRC).toInt(&convertOk);
    if (!convertOk) {
        _joystickMode = JoystickModeRC;
    }

    // Joystick enabled is a global setting so first make sure there are any joysticks connected
    if (_toolbox->joystickManager()->joysticks().count()) {
        setJoystickEnabled(settings.value(_joystickEnabledSettingsKey, false).toBool());
        _startJoystick(true);
    }
}

void Vehicle::_saveSettings(void)
{
    QSettings settings;

    settings.beginGroup(QString(_settingsGroup).arg(_id));

    settings.setValue(_joystickModeSettingsKey, _joystickMode);

    // The joystick enabled setting should only be changed if a joystick is present
    // since the checkbox can only be clicked if one is present
    if (_toolbox->joystickManager()->joysticks().count()) {
        settings.setValue(_joystickEnabledSettingsKey, _joystickEnabled);
    }
}

int Vehicle::joystickMode(void)
{
    return _joystickMode;
}

void Vehicle::setJoystickMode(int mode)
{
    if (mode < 0 || mode >= JoystickModeMax) {
        qCWarning(VehicleLog) << "Invalid joystick mode" << mode;
        return;
    }

    _joystickMode = (JoystickMode_t)mode;
    _saveSettings();
    emit joystickModeChanged(mode);
}

QStringList Vehicle::joystickModes(void)
{
    QStringList list;

    list << "Normal" << "Attitude" << "Position" << "Force" << "Velocity";

    return list;
}

bool Vehicle::joystickEnabled(void)
{
    return _joystickEnabled;
}

void Vehicle::setJoystickEnabled(bool enabled)
{
    _joystickEnabled = enabled;
    _saveSettings();
    emit joystickEnabledChanged(_joystickEnabled);
}

void Vehicle::_startJoystick(bool start)
{
    Joystick* joystick = _joystickManager->activeJoystick();
    if (joystick) {
        if (start) {
            joystick->startPolling(this);
        } else {
            joystick->stopPolling();
        }
    }
}

bool Vehicle::active(void)
{
    return _active;
}

void Vehicle::setActive(bool active)
{
    if (_active != active) {
        _active = active;
        emit activeChanged(_active);
    }
}

QGeoCoordinate Vehicle::homePosition(void)
{
    return _homePosition;
}

void Vehicle::setArmed(bool armed)
{
    // We specifically use COMMAND_LONG:MAV_CMD_COMPONENT_ARM_DISARM since it is supported by more flight stacks.
    sendMavCommand(_defaultComponentId,
                   MAV_CMD_COMPONENT_ARM_DISARM,
                   true,    // show error if fails
                   armed ? 1.0f : 0.0f);
}

bool Vehicle::flightModeSetAvailable(void)
{
    return _firmwarePlugin->isCapable(this, FirmwarePlugin::SetFlightModeCapability);
}

QStringList Vehicle::flightModes(void)
{
    return _firmwarePlugin->flightModes(this);
}

QString Vehicle::flightMode(void) const
{
    return _firmwarePlugin->flightMode(_base_mode, _custom_mode);
}

void Vehicle::setFlightMode(const QString& flightMode)
{
    uint8_t     base_mode;
    uint32_t    custom_mode;

    if (_firmwarePlugin->setFlightMode(flightMode, &base_mode, &custom_mode)) {
        // setFlightMode will only set MAV_MODE_FLAG_CUSTOM_MODE_ENABLED in base_mode, we need to move back in the existing
        // states.
        uint8_t newBaseMode = _base_mode & ~MAV_MODE_FLAG_DECODE_POSITION_CUSTOM_MODE;
        newBaseMode |= base_mode;

        mavlink_message_t msg;
        mavlink_msg_set_mode_pack_chan(_mavlink->getSystemId(),
                                       _mavlink->getComponentId(),
                                       priorityLink()->mavlinkChannel(),
                                       &msg,
                                       id(),
                                       newBaseMode,
                                       custom_mode);
        sendMessageOnLink(priorityLink(), msg);
    } else {
        qWarning() << "FirmwarePlugin::setFlightMode failed, flightMode:" << flightMode;
    }
}

bool Vehicle::hilMode(void)
{
    return _base_mode & MAV_MODE_FLAG_HIL_ENABLED;
}

void Vehicle::setHilMode(bool hilMode)
{
    mavlink_message_t msg;

    uint8_t newBaseMode = _base_mode & ~MAV_MODE_FLAG_DECODE_POSITION_HIL;
    if (hilMode) {
        newBaseMode |= MAV_MODE_FLAG_HIL_ENABLED;
    }

    mavlink_msg_set_mode_pack_chan(_mavlink->getSystemId(),
                                   _mavlink->getComponentId(),
                                   priorityLink()->mavlinkChannel(),
                                   &msg,
                                   id(),
                                   newBaseMode,
                                   _custom_mode);
    sendMessageOnLink(priorityLink(), msg);
}

void Vehicle::requestDataStream(MAV_DATA_STREAM stream, uint16_t rate, bool sendMultiple)
{
    mavlink_message_t               msg;
    mavlink_request_data_stream_t   dataStream;

    memset(&dataStream, 0, sizeof(dataStream));

    dataStream.req_stream_id = stream;
    dataStream.req_message_rate = rate;
    dataStream.start_stop = 1;  // start
    dataStream.target_system = id();
    dataStream.target_component = _defaultComponentId;

    mavlink_msg_request_data_stream_encode_chan(_mavlink->getSystemId(),
                                                _mavlink->getComponentId(),
                                                priorityLink()->mavlinkChannel(),
                                                &msg,
                                                &dataStream);

    if (sendMultiple) {
        // We use sendMessageMultiple since we really want these to make it to the vehicle
        sendMessageMultiple(msg);
    } else {
        sendMessageOnLink(priorityLink(), msg);
    }
}

void Vehicle::_sendMessageMultipleNext(void)
{
    if (_nextSendMessageMultipleIndex < _sendMessageMultipleList.count()) {
        qCDebug(VehicleLog) << "_sendMessageMultipleNext:" << _sendMessageMultipleList[_nextSendMessageMultipleIndex].message.msgid;

        sendMessageOnLink(priorityLink(), _sendMessageMultipleList[_nextSendMessageMultipleIndex].message);

        if (--_sendMessageMultipleList[_nextSendMessageMultipleIndex].retryCount <= 0) {
            _sendMessageMultipleList.removeAt(_nextSendMessageMultipleIndex);
        } else {
            _nextSendMessageMultipleIndex++;
        }
    }

    if (_nextSendMessageMultipleIndex >= _sendMessageMultipleList.count()) {
        _nextSendMessageMultipleIndex = 0;
    }
}

void Vehicle::sendMessageMultiple(mavlink_message_t message)
{
    SendMessageMultipleInfo_t   info;

    info.message =      message;