UAS.cc

                QVector<float> gyro;
                QVector<float> pitch;
                QVector<float> throttle;

                for (int i=0; i<MAVLINK_MSG_RADIO_CALIBRATION_FIELD_AILERON_LEN; ++i)
                    aileron << radioMsg.aileron[i];
                for (int i=0; i<MAVLINK_MSG_RADIO_CALIBRATION_FIELD_ELEVATOR_LEN; ++i)
                    elevator << radioMsg.elevator[i];
                for (int i=0; i<MAVLINK_MSG_RADIO_CALIBRATION_FIELD_RUDDER_LEN; ++i)
                    rudder << radioMsg.rudder[i];
                for (int i=0; i<MAVLINK_MSG_RADIO_CALIBRATION_FIELD_GYRO_LEN; ++i)
                    gyro << radioMsg.gyro[i];
                for (int i=0; i<MAVLINK_MSG_RADIO_CALIBRATION_FIELD_PITCH_LEN; ++i)
                    pitch << radioMsg.pitch[i];
                for (int i=0; i<MAVLINK_MSG_RADIO_CALIBRATION_FIELD_THROTTLE_LEN; ++i)
                    throttle << radioMsg.throttle[i];

                QPointer<RadioCalibrationData> radioData = new RadioCalibrationData(aileron, elevator, rudder, gyro, pitch, throttle);
                emit radioCalibrationReceived(radioData);
                delete radioData;
            }
            break;

#endif
            // Messages to ignore
            case MAVLINK_MSG_ID_LOCAL_POSITION_SETPOINT_SET:
            break;
        default:
            {
                if (!unknownPackets.contains(message.msgid))
                {
                    unknownPackets.append(message.msgid);
                    QString errString = tr("UNABLE TO DECODE MESSAGE NUMBER %1").arg(message.msgid);
                    GAudioOutput::instance()->say(errString+tr(", please check the communication console for details."));
                    emit textMessageReceived(uasId, message.compid, 255, errString);
                    std::cout << "Unable to decode message from system " << std::dec << static_cast<int>(message.sysid) << " with message id:" << static_cast<int>(message.msgid) << std::endl;
                    //qDebug() << std::cerr << "Unable to decode message from system " << std::dec << static_cast<int>(message.acid) << " with message id:" << static_cast<int>(message.msgid) << std::endl;
                }
            }
            break;
        }
    }
}

void UAS::setHomePosition(double lat, double lon, double alt)
{
    // Send new home position to UAS
    mavlink_gps_set_global_origin_t home;
    home.target_system = uasId;
    home.target_component = 0; // ALL components
    home.latitude = lat*1E7;
    home.longitude = lon*1E7;
    home.altitude = alt*1000;
    mavlink_message_t msg;
    mavlink_msg_gps_set_global_origin_encode(mavlink->getSystemId(), mavlink->getComponentId(), &msg, &home);
    sendMessage(msg);
}

void UAS::setLocalOriginAtCurrentGPSPosition()
{

    bool result = false;
    QMessageBox msgBox;
    msgBox.setIcon(QMessageBox::Warning);
    msgBox.setText("Setting new World Coordinate Frame Origin");
    msgBox.setInformativeText("Do you want to set a new origin? Waypoints defined in the local frame will be shifted in their physical location");
    msgBox.setStandardButtons(QMessageBox::Yes | QMessageBox::Cancel);
    msgBox.setDefaultButton(QMessageBox::Cancel);
    int ret = msgBox.exec();

    // Close the message box shortly after the click to prevent accidental clicks
    QTimer::singleShot(5000, &msgBox, SLOT(reject()));


    if (ret == QMessageBox::Yes)
    {
        mavlink_message_t msg;
        mavlink_msg_action_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, this->getUASID(), 0, MAV_ACTION_SET_ORIGIN);
        // Send message twice to increase chance that it reaches its goal
        sendMessage(msg);
        // Wait 5 ms
        MG::SLEEP::usleep(5000);
        // Send again
        sendMessage(msg);
        result = true;
    }
}

void UAS::setLocalPositionSetpoint(float x, float y, float z, float yaw)
{
#ifdef MAVLINK_ENABLED_PIXHAWK
    mavlink_message_t msg;
    mavlink_msg_position_control_setpoint_set_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, uasId, 0, 0, x, y, z, yaw);
    sendMessage(msg);
#else
    Q_UNUSED(x);
    Q_UNUSED(y);
    Q_UNUSED(z);
    Q_UNUSED(yaw);
#endif
}

void UAS::setLocalPositionOffset(float x, float y, float z, float yaw)
{
#ifdef MAVLINK_ENABLED_PIXHAWK
    mavlink_message_t msg;
    mavlink_msg_position_control_offset_set_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, uasId, 0, x, y, z, yaw);
    sendMessage(msg);
#else
    Q_UNUSED(x);
    Q_UNUSED(y);
    Q_UNUSED(z);
    Q_UNUSED(yaw);
#endif
}

void UAS::startRadioControlCalibration()
{
    mavlink_message_t msg;
    mavlink_msg_action_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, uasId, MAV_COMP_ID_IMU, MAV_ACTION_CALIBRATE_RC);
    sendMessage(msg);
}

void UAS::startDataRecording()
{
    mavlink_message_t msg;
    mavlink_msg_action_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, uasId, MAV_COMP_ID_IMU, MAV_ACTION_REC_START);
    sendMessage(msg);
}

void UAS::pauseDataRecording()
{
    mavlink_message_t msg;
    mavlink_msg_action_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, uasId, MAV_COMP_ID_IMU, MAV_ACTION_REC_PAUSE);
    sendMessage(msg);
}

void UAS::stopDataRecording()
{
    mavlink_message_t msg;
    mavlink_msg_action_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, uasId, MAV_COMP_ID_IMU, MAV_ACTION_REC_STOP);
    sendMessage(msg);
}

void UAS::startMagnetometerCalibration()
{
    mavlink_message_t msg;
    mavlink_msg_action_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, uasId, MAV_COMP_ID_IMU, MAV_ACTION_CALIBRATE_MAG);
    sendMessage(msg);
}

void UAS::startGyroscopeCalibration()
{
    mavlink_message_t msg;
    mavlink_msg_action_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, uasId, MAV_COMP_ID_IMU, MAV_ACTION_CALIBRATE_GYRO);
    sendMessage(msg);
}

void UAS::startPressureCalibration()
{
    mavlink_message_t msg;
    mavlink_msg_action_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, uasId, MAV_COMP_ID_IMU, MAV_ACTION_CALIBRATE_PRESSURE);
    sendMessage(msg);
}

quint64 UAS::getUnixTime(quint64 time)
{
    if (time == 0)
    {
        return MG::TIME::getGroundTimeNow();
    }
    // Check if time is smaller than 40 years,
    // assuming no system without Unix timestamp
    // runs longer than 40 years continuously without
    // reboot. In worst case this will add/subtract the
    // communication delay between GCS and MAV,
    // it will never alter the timestamp in a safety
    // critical way.
    //
    // Calculation:
    // 40 years
    // 365 days
    // 24 hours
    // 60 minutes
    // 60 seconds
    // 1000 milliseconds
    // 1000 microseconds
#ifndef _MSC_VER
    else if (time < 1261440000000000LLU)
#else
        else if (time < 1261440000000000)
#endif
        {
        if (onboardTimeOffset == 0)
        {
            onboardTimeOffset = MG::TIME::getGroundTimeNow() - time/1000;
        }
        return time/1000 + onboardTimeOffset;
    }
    else
    {
        // Time is not zero and larger than 40 years -> has to be
        // a Unix epoch timestamp. Do nothing.
        return time/1000;
    }
}

QList<QString> UAS::getParameterNames(int component)
{
    if (parameters.contains(component))
    {
        return parameters.value(component)->keys();
    }
    else
    {
        return QList<QString>();
    }
}

QList<int> UAS::getComponentIds()
{
    return parameters.keys();
}

void UAS::setMode(int mode)
{
    if ((uint8_t)mode >= MAV_MODE_LOCKED && (uint8_t)mode <= MAV_MODE_RC_TRAINING)
    {
        this->mode = mode;
        mavlink_message_t msg;
        mavlink_msg_set_mode_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, (uint8_t)uasId, (uint8_t)mode);
        sendMessage(msg);
        qDebug() << "SENDING REQUEST TO SET MODE TO SYSTEM" << uasId << ", REQUEST TO SET MODE " << (uint8_t)mode;
    }
}

void UAS::sendMessage(mavlink_message_t message)
{
    // Emit message on all links that are currently connected
    foreach (LinkInterface* link, *links)
    {
        if (link)
        {
            sendMessage(link, message);
        }
        else
        {
            // Remove from list
            links->removeAt(links->indexOf(link));
        }
    }
}

void UAS::forwardMessage(mavlink_message_t message)
{
    // Emit message on all links that are currently connected
    QList<LinkInterface*>link_list = LinkManager::instance()->getLinksForProtocol(mavlink);

    foreach(LinkInterface* link, link_list)
    {
        if (link)
        {
            SerialLink* serial = dynamic_cast<SerialLink*>(link);
            if(serial != 0)
            {

                for(int i=0;i<links->size();i++)
                {
                    if(serial != links->at(i))
                    {
                        qDebug()<<"Antenna tracking: Forwarding Over link: "<<serial->getName()<<" "<<serial;
                        sendMessage(serial, message);
                    }
                }
            }
        }
    }
}

void UAS::sendMessage(LinkInterface* link, mavlink_message_t message)
{
    if(!link) return;
    // Create buffer
    uint8_t buffer[MAVLINK_MAX_PACKET_LEN];
    // Write message into buffer, prepending start sign
    int len = mavlink_msg_to_send_buffer(buffer, &message);
    mavlink_finalize_message_chan(&message, mavlink->getSystemId(), mavlink->getComponentId(), link->getId(), message.len);
    // If link is connected
    if (link->isConnected())
    {
        // Send the portion of the buffer now occupied by the message
        link->writeBytes((const char*)buffer, len);
    }
}

/**
 * @param value battery voltage
 */
float UAS::filterVoltage(float value) const
{
    return lpVoltage * 0.7f + value * 0.3f;
}

QString UAS::getNavModeText(int mode)
{
    switch (mode)
    {
    case MAV_NAV_GROUNDED:
        return QString("GROUNDED");
        break;
    case MAV_NAV_HOLD:
        return QString("HOLD");
        break;
    case MAV_NAV_LANDING:
        return QString("LANDING");
        break;
    case MAV_NAV_LIFTOFF:
        return QString("LIFTOFF");
        break;
    case MAV_NAV_LOITER:
        return QString("LOITER");
        break;
    case MAV_NAV_LOST:
        return QString("LOST");
        break;
    case MAV_NAV_RETURNING:
        return QString("RETURNING");
        break;
    case MAV_NAV_VECTOR:
        return QString("VECTOR");
        break;
    case MAV_NAV_WAYPOINT:
        return QString("WAYPOINT");
        break;
    default:
        return QString("UNKNOWN");
    }
}

void UAS::getStatusForCode(int statusCode, QString& uasState, QString& stateDescription)
{
    switch (statusCode)
    {
    case MAV_STATE_UNINIT:
        uasState = tr("UNINIT");
        stateDescription = tr("Unitialized, booting up.");
        break;
    case MAV_STATE_BOOT:
        uasState = tr("BOOT");
        stateDescription = tr("Booting system, please wait.");
        break;
    case MAV_STATE_CALIBRATING:
        uasState = tr("CALIBRATING");
        stateDescription = tr("Calibrating sensors, please wait.");
        break;
    case MAV_STATE_ACTIVE:
        uasState = tr("ACTIVE");
        stateDescription = tr("Active, normal operation.");
        break;
    case MAV_STATE_STANDBY:
        uasState = tr("STANDBY");
        stateDescription = tr("Standby mode, ready for liftoff.");
        break;
    case MAV_STATE_CRITICAL:
        uasState = tr("CRITICAL");
        stateDescription = tr("FAILURE: Continuing operation.");
        break;
    case MAV_STATE_EMERGENCY:
        uasState = tr("EMERGENCY");
        stateDescription = tr("EMERGENCY: Land Immediately!");
        break;
    case MAV_STATE_POWEROFF:
        uasState = tr("SHUTDOWN");
        stateDescription = tr("Powering off system.");
        break;
    default:
        uasState = tr("UNKNOWN");
        stateDescription = tr("Unknown system state");
        break;
    }
}

QImage UAS::getImage()
{
    return image;
}

void UAS::requestImage()
{
    #ifdef MAVLINK_ENABLED_PIXHAWK
    qDebug() << "trying to get an image from the uas...";

    if (imagePacketsArrived == 0)
    {
        mavlink_message_t msg;
        mavlink_msg_data_transmission_handshake_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, DATA_TYPE_JPEG_IMAGE, 0, 0, 0, 50);
        sendMessage(msg);
    }
    else if (QGC::groundTimeMilliseconds() - imageStart >= 1000)
    {
        // handshake happened more than 1 second ago, packets should have arrived by now
        // maybe we missed some packets (dropped along the way)
        image.loadFromData(imageRecBuffer);
        emit imageReady(this);
        // Restart statemachine
        imagePacketsArrived = 0;
    }
#endif
    // default else, wait?
}


/* MANAGEMENT */

/*
 *
 * @return The uptime in milliseconds
 *
 **/
quint64 UAS::getUptime() const
{
    if(startTime == 0) {
        return 0;
    } else {
        return MG::TIME::getGroundTimeNow() - startTime;
    }
}

int UAS::getCommunicationStatus() const
{
    return commStatus;
}

void UAS::requestParameters()
{
    mavlink_message_t msg;
    mavlink_msg_param_request_list_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, this->getUASID(), 25);
    // Send message twice to increase chance of reception
    sendMessage(msg);
}

void UAS::writeParametersToStorage()
{
    mavlink_message_t msg;
    // TODO Replace MG System ID with static function call and allow to change ID in GUI
    mavlink_msg_action_pack(MG::SYSTEM::ID, MG::SYSTEM::COMPID, &msg, this->getUASID(),MAV_COMP_ID_IMU, (uint8_t)MAV_ACTION_STORAGE_WRITE);
    //mavlink_msg_action_pack(MG::SYSTEM::ID, MG::SYSTEM::COMPID, &msg, this->getUASID(),(uint8_t)MAV_ACTION_STORAGE_WRITE);
    sendMessage(msg);
}

void UAS::readParametersFromStorage()
{
    mavlink_message_t msg;
    // TODO Replace MG System ID with static function call and allow to change ID in GUI
    mavlink_msg_action_pack(MG::SYSTEM::ID, MG::SYSTEM::COMPID, &msg, this->getUASID(), MAV_COMP_ID_IMU,(uint8_t)MAV_ACTION_STORAGE_READ);
    sendMessage(msg);
}

void UAS::enableAllDataTransmission(int rate)
{
    // Buffers to write data to
    mavlink_message_t msg;
    mavlink_request_data_stream_t stream;
    // Select the message to request from now on
    // 0 is a magic ID and will enable/disable the standard message set except for heartbeat
    stream.req_stream_id = MAV_DATA_STREAM_ALL;
    // Select the update rate in Hz the message should be send
    // All messages will be send with their default rate
    // TODO: use 0 to turn off and get rid of enable/disable? will require
    //  a different magic flag for turning on defaults, possibly something really high like 1111 ?
    stream.req_message_rate = 0;
    // Start / stop the message
    stream.start_stop = (rate) ? 1 : 0;
    // The system which should take this command
    stream.target_system = uasId;
    // The component / subsystem which should take this command
    stream.target_component = 0;
    // Encode and send the message
    mavlink_msg_request_data_stream_encode(mavlink->getSystemId(), mavlink->getComponentId(), &msg, &stream);
    // Send message twice to increase chance of reception
    sendMessage(msg);
    sendMessage(msg);
}

void UAS::enableRawSensorDataTransmission(int rate)
{
    // Buffers to write data to
    mavlink_message_t msg;
    mavlink_request_data_stream_t stream;
    // Select the message to request from now on
    stream.req_stream_id = MAV_DATA_STREAM_RAW_SENSORS;
    // Select the update rate in Hz the message should be send
    stream.req_message_rate = rate;
    // Start / stop the message
    stream.start_stop = (rate) ? 1 : 0;
    // The system which should take this command
    stream.target_system = uasId;
    // The component / subsystem which should take this command
    stream.target_component = 0;
    // Encode and send the message
    mavlink_msg_request_data_stream_encode(mavlink->getSystemId(), mavlink->getComponentId(), &msg, &stream);
    // Send message twice to increase chance of reception
    sendMessage(msg);
    sendMessage(msg);
}

void UAS::enableExtendedSystemStatusTransmission(int rate)
{
    // Buffers to write data to
    mavlink_message_t msg;
    mavlink_request_data_stream_t stream;
    // Select the message to request from now on
    stream.req_stream_id = MAV_DATA_STREAM_EXTENDED_STATUS;
    // Select the update rate in Hz the message should be send
    stream.req_message_rate = rate;
    // Start / stop the message
    stream.start_stop = (rate) ? 1 : 0;
    // The system which should take this command
    stream.target_system = uasId;
    // The component / subsystem which should take this command
    stream.target_component = 0;
    // Encode and send the message
    mavlink_msg_request_data_stream_encode(mavlink->getSystemId(), mavlink->getComponentId(), &msg, &stream);
    // Send message twice to increase chance of reception
    sendMessage(msg);
    sendMessage(msg);
}

void UAS::enableRCChannelDataTransmission(int rate)
{
#if defined(MAVLINK_ENABLED_UALBERTA_MESSAGES)
    mavlink_message_t msg;
    mavlink_msg_request_rc_channels_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, enabled);
    sendMessage(msg);
#else
    mavlink_message_t msg;
    mavlink_request_data_stream_t stream;
    // Select the message to request from now on
    stream.req_stream_id = MAV_DATA_STREAM_RC_CHANNELS;
    // Select the update rate in Hz the message should be send
    stream.req_message_rate = rate;
    // Start / stop the message
    stream.start_stop = (rate) ? 1 : 0;
    // The system which should take this command
    stream.target_system = uasId;
    // The component / subsystem which should take this command
    stream.target_component = 0;
    // Encode and send the message
    mavlink_msg_request_data_stream_encode(mavlink->getSystemId(), mavlink->getComponentId(), &msg, &stream);
    // Send message twice to increase chance of reception
    sendMessage(msg);
    sendMessage(msg);
#endif
}

void UAS::enableRawControllerDataTransmission(int rate)
{
    // Buffers to write data to
    mavlink_message_t msg;
    mavlink_request_data_stream_t stream;
    // Select the message to request from now on
    stream.req_stream_id = MAV_DATA_STREAM_RAW_CONTROLLER;
    // Select the update rate in Hz the message should be send
    stream.req_message_rate = rate;
    // Start / stop the message
    stream.start_stop = (rate) ? 1 : 0;
    // The system which should take this command
    stream.target_system = uasId;
    // The component / subsystem which should take this command
    stream.target_component = 0;
    // Encode and send the message
    mavlink_msg_request_data_stream_encode(mavlink->getSystemId(), mavlink->getComponentId(), &msg, &stream);
    // Send message twice to increase chance of reception
    sendMessage(msg);
    sendMessage(msg);
}

//void UAS::enableRawSensorFusionTransmission(int rate)
//{
//    // Buffers to write data to
//    mavlink_message_t msg;
//    mavlink_request_data_stream_t stream;
//    // Select the message to request from now on
//    stream.req_stream_id = MAV_DATA_STREAM_RAW_SENSOR_FUSION;
//    // Select the update rate in Hz the message should be send
//    stream.req_message_rate = rate;
//    // Start / stop the message
//    stream.start_stop = (rate) ? 1 : 0;
//    // The system which should take this command
//    stream.target_system = uasId;
//    // The component / subsystem which should take this command
//    stream.target_component = 0;
//    // Encode and send the message
//    mavlink_msg_request_data_stream_encode(mavlink->getSystemId(), mavlink->getComponentId(), &msg, &stream);
//    // Send message twice to increase chance of reception
//    sendMessage(msg);
//    sendMessage(msg);
//}

void UAS::enablePositionTransmission(int rate)
{
    // Buffers to write data to
    mavlink_message_t msg;
    mavlink_request_data_stream_t stream;
    // Select the message to request from now on
    stream.req_stream_id = MAV_DATA_STREAM_POSITION;
    // Select the update rate in Hz the message should be send
    stream.req_message_rate = rate;
    // Start / stop the message
    stream.start_stop = (rate) ? 1 : 0;
    // The system which should take this command
    stream.target_system = uasId;
    // The component / subsystem which should take this command
    stream.target_component = 0;
    // Encode and send the message
    mavlink_msg_request_data_stream_encode(mavlink->getSystemId(), mavlink->getComponentId(), &msg, &stream);
    // Send message twice to increase chance of reception
    sendMessage(msg);
    sendMessage(msg);
}

void UAS::enableExtra1Transmission(int rate)
{
    // Buffers to write data to
    mavlink_message_t msg;
    mavlink_request_data_stream_t stream;
    // Select the message to request from now on
    stream.req_stream_id = MAV_DATA_STREAM_EXTRA1;
    // Select the update rate in Hz the message should be send
    stream.req_message_rate = rate;
    // Start / stop the message
    stream.start_stop = (rate) ? 1 : 0;
    // The system which should take this command
    stream.target_system = uasId;
    // The component / subsystem which should take this command
    stream.target_component = 0;
    // Encode and send the message
    mavlink_msg_request_data_stream_encode(mavlink->getSystemId(), mavlink->getComponentId(), &msg, &stream);
    // Send message twice to increase chance of reception
    sendMessage(msg);
    sendMessage(msg);
}

void UAS::enableExtra2Transmission(int rate)
{
    // Buffers to write data to
    mavlink_message_t msg;
    mavlink_request_data_stream_t stream;
    // Select the message to request from now on
    stream.req_stream_id = MAV_DATA_STREAM_EXTRA2;
    // Select the update rate in Hz the message should be send
    stream.req_message_rate = rate;
    // Start / stop the message
    stream.start_stop = (rate) ? 1 : 0;
    // The system which should take this command
    stream.target_system = uasId;
    // The component / subsystem which should take this command
    stream.target_component = 0;
    // Encode and send the message
    mavlink_msg_request_data_stream_encode(mavlink->getSystemId(), mavlink->getComponentId(), &msg, &stream);
    // Send message twice to increase chance of reception
    sendMessage(msg);
    sendMessage(msg);
}

void UAS::enableExtra3Transmission(int rate)
{
    // Buffers to write data to
    mavlink_message_t msg;
    mavlink_request_data_stream_t stream;
    // Select the message to request from now on
    stream.req_stream_id = MAV_DATA_STREAM_EXTRA3;
    // Select the update rate in Hz the message should be send
    stream.req_message_rate = rate;
    // Start / stop the message
    stream.start_stop = (rate) ? 1 : 0;
    // The system which should take this command
    stream.target_system = uasId;
    // The component / subsystem which should take this command
    stream.target_component = 0;
    // Encode and send the message
    mavlink_msg_request_data_stream_encode(mavlink->getSystemId(), mavlink->getComponentId(), &msg, &stream);
    // Send message twice to increase chance of reception
    sendMessage(msg);
    sendMessage(msg);
}

/**
 * Set a parameter value onboard
 *
 * @param component The component to set the parameter
 * @param id Name of the parameter
 * @param value Parameter value
 */
void UAS::setParameter(const int component, const QString& id, const float value)
{
    if (!id.isNull())
    {
    mavlink_message_t msg;
    mavlink_param_set_t p;
    p.param_value = value;
    p.target_system = (uint8_t)uasId;
    p.target_component = (uint8_t)component;

    // Copy string into buffer, ensuring not to exceed the buffer size    
    for (unsigned int i = 0; i < sizeof(p.param_id); i++)
    {
        // String characters
        if ((int)i < id.length() && i < (sizeof(p.param_id) - 1))
        {
            p.param_id[i] = id.toAscii()[i];
        }
//        // Null termination at end of string or end of buffer
//        else if ((int)i == id.length() || i == (sizeof(p.param_id) - 1))
//        {
//            p.param_id[i] = '\0';
//        }
        // Zero fill
        else
        {
            p.param_id[i] = 0;
        }
    }    
    mavlink_msg_param_set_encode(mavlink->getSystemId(), mavlink->getComponentId(), &msg, &p);
    sendMessage(msg);
    }
}

void UAS::requestParameter(int component, int parameter)
{
    mavlink_message_t msg;
    mavlink_param_request_read_t read;
    read.param_index = parameter;
    read.target_system = uasId;
    read.target_component = component;
    mavlink_msg_param_request_read_encode(mavlink->getSystemId(), mavlink->getComponentId(), &msg, &read);
    sendMessage(msg);
    qDebug() << __FILE__ << __LINE__ << "REQUESTING PARAM RETRANSMISSION FROM COMPONENT" << component << "FOR PARAM ID" << parameter;
}

void UAS::setSystemType(int systemType)
{
    type = systemType;
    // If the airframe is still generic, change it to a close default type
    if (airframe == 0)
    {
        switch (systemType)
        {
        case MAV_FIXED_WING:
            airframe = QGC_AIRFRAME_EASYSTAR;
            break;
        case MAV_QUADROTOR:
            airframe = QGC_AIRFRAME_MIKROKOPTER;
            break;
        }
    }
    emit systemSpecsChanged(uasId);
}

void UAS::setUASName(const QString& name)
{
    this->name = name;
    writeSettings();
    emit nameChanged(name);
    emit systemSpecsChanged(uasId);
}

/**
 * Sets an action
 *
 **/
void UAS::setAction(MAV_ACTION action)
{
    mavlink_message_t msg;
    mavlink_msg_action_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, this->getUASID(), 0, action);
    // Send message twice to increase chance that it reaches its goal
    sendMessage(msg);
    sendMessage(msg);
}

/**
 * Launches the system
 *
 **/
void UAS::launch()
{
    mavlink_message_t msg;
    // TODO Replace MG System ID with static function call and allow to change ID in GUI
    mavlink_msg_action_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, this->getUASID(), MAV_COMP_ID_IMU, (uint8_t)MAV_ACTION_TAKEOFF);
    // Send message twice to increase chance of reception
    sendMessage(msg);
    sendMessage(msg);
}

/**
 * Depending on the UAS, this might make the rotors of a helicopter spinning
 *
 **/
void UAS::enable_motors()
{
    mavlink_message_t msg;
    // TODO Replace MG System ID with static function call and allow to change ID in GUI
    mavlink_msg_action_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, this->getUASID(), MAV_COMP_ID_IMU, (uint8_t)MAV_ACTION_MOTORS_START);
    // Send message twice to increase chance of reception
    sendMessage(msg);
    sendMessage(msg);
}

/**
 * @warning Depending on the UAS, this might completely stop all motors.
 *
 **/
void UAS::disable_motors()
{
    mavlink_message_t msg;
    // TODO Replace MG System ID with static function call and allow to change ID in GUI
    mavlink_msg_action_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, this->getUASID(), MAV_COMP_ID_IMU, (uint8_t)MAV_ACTION_MOTORS_STOP);
    // Send message twice to increase chance of reception
    sendMessage(msg);
    sendMessage(msg);
}

void UAS::setManualControlCommands(double roll, double pitch, double yaw, double thrust)
{
    // Scale values
    double rollPitchScaling = 0.2f;
    double yawScaling = 0.5f;
    double thrustScaling = 1.0f;

    manualRollAngle = roll * rollPitchScaling;
    manualPitchAngle = pitch * rollPitchScaling;
    manualYawAngle = yaw * yawScaling;
    manualThrust = thrust * thrustScaling;

    if(mode == (int)MAV_MODE_MANUAL)
    {
        mavlink_message_t message;
        mavlink_msg_manual_control_pack(mavlink->getSystemId(), mavlink->getComponentId(), &message, this->uasId, (float)manualRollAngle, (float)manualPitchAngle, (float)manualYawAngle, (float)manualThrust, controlRollManual, controlPitchManual, controlYawManual, controlThrustManual);
        sendMessage(message);
        qDebug() << __FILE__ << __LINE__ << ": SENT MANUAL CONTROL MESSAGE: roll" << manualRollAngle << " pitch: " << manualPitchAngle << " yaw: " << manualYawAngle << " thrust: " << manualThrust;

        emit attitudeThrustSetPointChanged(this, roll, pitch, yaw, thrust, MG::TIME::getGroundTimeNow());
    }
    else
    {
        qDebug() << "JOYSTICK/MANUAL CONTROL: IGNORING COMMANDS: Set mode to MANUAL to send joystick commands first";
    }
}

int UAS::getSystemType()
{
    return this->type;
}

void UAS::receiveButton(int buttonIndex)
{
    switch (buttonIndex)
    {
    case 0:

        break;
    case 1:

        break;
    default:

        break;
    }
    //    qDebug() << __FILE__ << __LINE__ << ": Received button clicked signal (button # is: " << buttonIndex << "), UNIMPLEMENTED IN MAVLINK!";

}


/*void UAS::requestWaypoints()
{
//    mavlink_message_t msg;
//    mavlink_msg_waypoint_request_list_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, uasId, 25);
//    // Send message twice to increase chance of reception
//    sendMessage(msg);
    waypointManager.requestWaypoints();
    qDebug() << "UAS Request WPs";
}

void UAS::setWaypoint(Waypoint* wp)
{
//    mavlink_message_t msg;
//    mavlink_waypoint_set_t set;
//    set.id = wp->id;
//    //QString name = wp->name;
//    // FIXME Check if this works properly
//    //name.truncate(MAVLINK_MSG_WAYPOINT_SET_FIELD_NAME_LEN);
//    //strcpy((char*)set.name, name.toStdString().c_str());
//    set.autocontinue = wp->autocontinue;
//    set.target_component = 25; // FIXME
//    set.target_system = uasId;
//    set.active = wp->current;
//    set.x = wp->x;
//    set.y = wp->y;
//    set.z = wp->z;
//    set.yaw = wp->yaw;
//    mavlink_msg_waypoint_set_encode(mavlink->getSystemId(), mavlink->getComponentId(), &msg, &set);
//    // Send message twice to increase chance of reception
//    sendMessage(msg);
}

void UAS::setWaypointActive(int id)
{
//    mavlink_message_t msg;
//    mavlink_waypoint_set_active_t active;
//    active.id = id;
//    active.target_system = uasId;
//    active.target_component = 25; // FIXME
//    mavlink_msg_waypoint_set_active_encode(mavlink->getSystemId(), mavlink->getComponentId(), &msg, &active);
//    // Send message twice to increase chance of reception
//    sendMessage(msg);
//    sendMessage(msg);
//    // TODO This should be not directly emitted, but rather being fed back from the UAS
//    emit waypointSelected(getUASID(), id);
}

void UAS::clearWaypointList()
{
//    mavlink_message_t msg;
//    // FIXME
//    mavlink_waypoint_clear_list_t clist;
//    clist.target_system = uasId;
//    clist.target_component = 25;  // FIXME
//    mavlink_msg_waypoint_clear_list_encode(MG::SYSTEM::ID, MG::SYSTEM::COMPID, &msg, &clist);
//    sendMessage(msg);
//    qDebug() << "UAS clears Waypoints!";
}*/


void UAS::halt()
{
    mavlink_message_t msg;
    // TODO Replace MG System ID with static function call and allow to change ID in GUI
    mavlink_msg_action_pack(MG::SYSTEM::ID, MG::SYSTEM::COMPID, &msg, this->getUASID(), MAV_COMP_ID_IMU, (int)MAV_ACTION_HALT);
    // Send message twice to increase chance of reception
    sendMessage(msg);
    sendMessage(msg);
}

void UAS::go()
{
    mavlink_message_t msg;
    // TODO Replace MG System ID with static function call and allow to change ID in GUI
    mavlink_msg_action_pack(MG::SYSTEM::ID, MG::SYSTEM::COMPID, &msg, this->getUASID(), MAV_COMP_ID_IMU,  (int)MAV_ACTION_CONTINUE);
    // Send message twice to increase chance of reception
    sendMessage(msg);
    sendMessage(msg);
}

/** Order the robot to return home / to land on the runway **/
void UAS::home()
{
    mavlink_message_t msg;
    // TODO Replace MG System ID with static function call and allow to change ID in GUI
    mavlink_msg_action_pack(MG::SYSTEM::ID, MG::SYSTEM::COMPID, &msg, this->getUASID(), MAV_COMP_ID_IMU,  (int)MAV_ACTION_RETURN);
    // Send message twice to increase chance of reception
    sendMessage(msg);
    sendMessage(msg);
}

/**
 * The MAV starts the emergency landing procedure. The behaviour depends on the onboard implementation
 * and might differ between systems.
 */
void UAS::emergencySTOP()
{
    mavlink_message_t msg;
    // TODO Replace MG System ID with static function call and allow to change ID in GUI
    mavlink_msg_action_pack(MG::SYSTEM::ID, MG::SYSTEM::COMPID, &msg, this->getUASID(), MAV_COMP_ID_IMU, (int)MAV_ACTION_EMCY_LAND);
    // Send message twice to increase chance of reception
    sendMessage(msg);
    sendMessage(msg);
}

/**
 * All systems are immediately shut down (e.g. the main power line is cut).
 * @warning This might lead to a crash
 *
 * The command will not be executed until emergencyKILLConfirm is issues immediately afterwards
 */
bool UAS::emergencyKILL()
{
    bool result = false;
    QMessageBox msgBox;
    msgBox.setIcon(QMessageBox::Critical);
    msgBox.setText("EMERGENCY: KILL ALL MOTORS ON UAS");
    msgBox.setInformativeText("Do you want to cut power on all systems?");
    msgBox.setStandardButtons(QMessageBox::Yes | QMessageBox::Cancel);
    msgBox.setDefaultButton(QMessageBox::Cancel);
    int ret = msgBox.exec();

    // Close the message box shortly after the click to prevent accidental clicks
    QTimer::singleShot(5000, &msgBox, SLOT(reject()));


    if (ret == QMessageBox::Yes)