UAS.cc

    mavlink_msg_param_request_list_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, this->getUASID(), MAV_COMP_ID_ALL);
    sendMessage(msg);
    qDebug() << __FILE__ << __LINE__ << "LOADING PARAM LIST";
}

void UAS::writeParametersToStorage()
{
    mavlink_message_t msg;
    mavlink_msg_command_long_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, uasId, 0, MAV_CMD_PREFLIGHT_STORAGE, 1, 1, -1, -1, -1, 0, 0, 0);
    qDebug() << "SENT COMMAND" << MAV_CMD_PREFLIGHT_STORAGE;
    sendMessage(msg);
}

void UAS::readParametersFromStorage()
{
    mavlink_message_t msg;
    mavlink_msg_command_long_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, uasId, 0, MAV_CMD_PREFLIGHT_STORAGE, 1, 0, -1, -1, -1, 0, 0, 0);
    sendMessage(msg);
}

/** 
* @param rate The update rate in Hz the message should be sent
*/
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);
}

/** 
* @param rate The update rate in Hz the message should be sent
*/
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);
}

/** 
* @param rate The update rate in Hz the message should be sent
*/
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);
}

/** 
* @param rate The update rate in Hz the message should be sent
*/
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);
#endif
}

/** 
* @param rate The update rate in Hz the message should be sent
*/
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);
}

//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);
//}

/** 
* @param rate The update rate in Hz the message should be sent
*/
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);
}

/** 
* @param rate The update rate in Hz the message should be sent
*/
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);
}

/** 
* @param rate The update rate in Hz the message should be sent
*/
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);
}

/** 
* @param rate The update rate in Hz the message should be sent
*/
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 
 */
void UAS::setParameter(const int component, const QString& id, const QVariant& value)
{
    if (!id.isNull())
    {
        mavlink_message_t msg;
        mavlink_param_set_t p;
        mavlink_param_union_t union_value;

        // Assign correct value based on QVariant
        switch (value.type())
        {
        case QVariant::Char:
	    union_value.param_int8 = value.toChar().toAscii();
            p.param_type = MAV_PARAM_TYPE_INT8;
            break;
        case QVariant::Int:
            union_value.param_int32 = value.toInt();
            p.param_type = MAV_PARAM_TYPE_INT32;
            break;
        case QVariant::UInt:
            union_value.param_uint32 = value.toUInt();
            p.param_type = MAV_PARAM_TYPE_UINT32;
            break;
        case QMetaType::Float:
            union_value.param_float = value.toFloat();
            p.param_type = MAV_PARAM_TYPE_REAL32;
            break;
        default:
            qCritical() << "ABORTED PARAM SEND, NO VALID QVARIANT TYPE";
            return;
        }

        p.param_value = union_value.param_float;
        p.target_system = (uint8_t)uasId;
        p.target_component = (uint8_t)component;

        //qDebug() << "SENT PARAM:" << value;

        // 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())
            {
                p.param_id[i] = id.toAscii()[i];
            }
            else
            {
                // Fill rest with zeros
                p.param_id[i] = 0;
            }
        }
        mavlink_msg_param_set_encode(mavlink->getSystemId(), mavlink->getComponentId(), &msg, &p);
        sendMessage(msg);
    }
}

/**    
* Request parameter, use parameter name to request it.
*/
void UAS::requestParameter(int component, int id)
{
    // Request parameter, use parameter name to request it
    mavlink_message_t msg;
    mavlink_param_request_read_t read;
    read.param_index = id;
    read.param_id[0] = '\0'; // Enforce null termination
    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" << id;
}

/**
* Request a parameter, use parameter name to request it.
*/
void UAS::requestParameter(int component, const QString& parameter)
{
    // Request parameter, use parameter name to request it
    mavlink_message_t msg;
    mavlink_param_request_read_t read;
    read.param_index = -1;
    // Copy full param name or maximum max field size
    if (parameter.length() > MAVLINK_MSG_PARAM_REQUEST_READ_FIELD_PARAM_ID_LEN)
    {
        emit textMessageReceived(uasId, 0, 255, QString("QGC WARNING: Parameter name %1 is more than %2 bytes long. This might lead to errors and mishaps!").arg(parameter).arg(MAVLINK_MSG_PARAM_REQUEST_READ_FIELD_PARAM_ID_LEN-1));
    }
    memcpy(read.param_id, parameter.toStdString().c_str(), qMax(parameter.length(), MAVLINK_MSG_PARAM_REQUEST_READ_FIELD_PARAM_ID_LEN));
    read.param_id[15] = '\0'; // Enforce null termination
    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 NAME" << parameter;
}

/**
* @param systemType Type of MAV.
*/
void UAS::setSystemType(int systemType)
{
    if((systemType >= MAV_TYPE_GENERIC) && (systemType < MAV_TYPE_ENUM_END))
    {
      type = systemType;
    
      // If the airframe is still generic, change it to a close default type
      if (airframe == 0)
      {
          switch (systemType)
          {
          case MAV_TYPE_FIXED_WING:
              airframe = QGC_AIRFRAME_EASYSTAR;
              break;
          case MAV_TYPE_QUADROTOR:
              airframe = QGC_AIRFRAME_MIKROKOPTER;
              break;
          }
      }
      emit systemSpecsChanged(uasId);
   }
}

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

void UAS::executeCommand(MAV_CMD command)
{
    mavlink_message_t msg;
    mavlink_command_long_t cmd;
    cmd.command = (uint16_t)command;
    cmd.confirmation = 0;
    cmd.param1 = 0.0f;
    cmd.param2 = 0.0f;
    cmd.param3 = 0.0f;
    cmd.param4 = 0.0f;
    cmd.param5 = 0.0f;
    cmd.param6 = 0.0f;
    cmd.param7 = 0.0f;
    cmd.target_system = uasId;
    cmd.target_component = 0;
    mavlink_msg_command_long_encode(mavlink->getSystemId(), mavlink->getComponentId(), &msg, &cmd);
    sendMessage(msg);
}

void UAS::executeCommand(MAV_CMD command, int confirmation, float param1, float param2, float param3, float param4, float param5, float param6, float param7, int component)
{
    mavlink_message_t msg;
    mavlink_command_long_t cmd;
    cmd.command = (uint16_t)command;
    cmd.confirmation = confirmation;
    cmd.param1 = param1;
    cmd.param2 = param2;
    cmd.param3 = param3;
    cmd.param4 = param4;
    cmd.param5 = param5;
    cmd.param6 = param6;
    cmd.param7 = param7;
    cmd.target_system = uasId;
    cmd.target_component = component;
    mavlink_msg_command_long_encode(mavlink->getSystemId(), mavlink->getComponentId(), &msg, &cmd);
    sendMessage(msg);
}

/**
 * Launches the system
 *
 */
void UAS::launch()
{
    mavlink_message_t msg;
    mavlink_msg_command_long_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, this->getUASID(), 0, MAV_CMD_NAV_TAKEOFF, 1, 0, 0, 0, 0, 0, 0, 0);
    sendMessage(msg);
}

/**
 * @warning Depending on the UAS, this might make the rotors of a helicopter spinning
 *
 */
void UAS::armSystem()
{
    mavlink_message_t msg;
    mavlink_msg_set_mode_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, this->getUASID(), mode | MAV_MODE_FLAG_SAFETY_ARMED, navMode);
    sendMessage(msg);
}

/**
 * @warning Depending on the UAS, this might completely stop all motors.
 *
 */
void UAS::disarmSystem()
{
    mavlink_message_t msg;
    mavlink_msg_set_mode_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, this->getUASID(), mode & ~MAV_MODE_FLAG_SAFETY_ARMED, navMode);
    sendMessage(msg);
}

/** 
* Set the manual control commands. 
* This can only be done if the system has manual inputs enabled and is armed.
*/
void UAS::setManualControlCommands(double roll, double pitch, double yaw, double thrust, int xHat, int yHat, int buttons)
{
    Q_UNUSED(xHat);
    Q_UNUSED(yHat);

    // Scale values
    double rollPitchScaling = 1.0f * 1000.0f;
    double yawScaling = 1.0f * 1000.0f;
    double thrustScaling = 1.0f * 1000.0f;

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

    // If system has manual inputs enabled and is armed
    if(((mode & MAV_MODE_FLAG_DECODE_POSITION_MANUAL) && (mode & MAV_MODE_FLAG_DECODE_POSITION_SAFETY)) || (mode & MAV_MODE_FLAG_HIL_ENABLED))
    {
        mavlink_message_t message;
        mavlink_msg_manual_control_pack(mavlink->getSystemId(), mavlink->getComponentId(), &message, this->uasId, (float)manualPitchAngle, (float)manualRollAngle, (float)manualThrust, (float)manualYawAngle, buttons);
        sendMessage(message);
        //qDebug() << __FILE__ << __LINE__ << ": SENT MANUAL CONTROL MESSAGE: roll" << manualRollAngle << " pitch: " << manualPitchAngle << " yaw: " << manualYawAngle << " thrust: " << manualThrust;

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

void UAS::setManual6DOFControlCommands(double x, double y, double z, double roll, double pitch, double yaw)
{
    // If system has manual inputs enabled and is armed
    if(((mode & MAV_MODE_FLAG_DECODE_POSITION_MANUAL) && (mode & MAV_MODE_FLAG_DECODE_POSITION_SAFETY)) || (mode & MAV_MODE_FLAG_HIL_ENABLED))
    {
        mavlink_message_t message;
        mavlink_msg_setpoint_6dof_pack(mavlink->getSystemId(), mavlink->getComponentId(), &message, this->uasId, (float)x, (float)y, (float)z, (float)roll, (float)pitch, (float)yaw);
        sendMessage(message);
        qDebug() << __FILE__ << __LINE__ << ": SENT 6DOF CONTROL MESSAGE: x" << x << " y: " << y << " z: " << z << " roll: " << roll << " pitch: " << pitch << " yaw: " << yaw;

        //emit attitudeThrustSetPointChanged(this, roll, pitch, yaw, thrust, QGC::groundTimeMilliseconds());
    }
    else
    {
        qDebug() << "3DMOUSE/MANUAL CONTROL: IGNORING COMMANDS: Set mode to MANUAL to send 3DMouse commands first";
    }
}

/**
* @return the type of the system
*/
int UAS::getSystemType()
{
    return this->type;
}

/**
* @param buttonIndex
*/
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!";

}

/**
* Halt the uas.
*/
void UAS::halt()
{
    mavlink_message_t msg;
    mavlink_msg_command_long_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, uasId, MAV_COMP_ID_ALL, MAV_CMD_OVERRIDE_GOTO, 1, MAV_GOTO_DO_HOLD, MAV_GOTO_HOLD_AT_CURRENT_POSITION, 0, 0, 0, 0, 0);
    sendMessage(msg);
}

/**
* Make the UAS move.
*/
void UAS::go()
{
    mavlink_message_t msg;
    mavlink_msg_command_long_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, uasId, MAV_COMP_ID_ALL, MAV_CMD_OVERRIDE_GOTO, 1, MAV_GOTO_DO_CONTINUE, MAV_GOTO_HOLD_AT_CURRENT_POSITION, 0, 0, 0, 0, 0);
    sendMessage(msg);
}

/** 
* Order the robot to return home 
*/
void UAS::home()
{
    mavlink_message_t msg;

    double latitude = UASManager::instance()->getHomeLatitude();
    double longitude = UASManager::instance()->getHomeLongitude();
    double altitude = UASManager::instance()->getHomeAltitude();
    int frame = UASManager::instance()->getHomeFrame();

    mavlink_msg_command_long_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, uasId, MAV_COMP_ID_ALL, MAV_CMD_OVERRIDE_GOTO, 1, MAV_GOTO_DO_CONTINUE, MAV_GOTO_HOLD_AT_CURRENT_POSITION, frame, 0, latitude, longitude, altitude);
    sendMessage(msg);
}

/**
* Order the robot to land on the runway 
*/
void UAS::land()
{
    mavlink_message_t msg;

    mavlink_msg_command_long_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, uasId, MAV_COMP_ID_ALL, MAV_CMD_NAV_LAND, 1, 0, 0, 0, 0, 0, 0, 0);
    sendMessage(msg);
}

/**
 * The MAV starts the emergency landing procedure. The behaviour depends on the onboard implementation
 * and might differ between systems.
 */
void UAS::emergencySTOP()
{
    // FIXME MAVLINKV10PORTINGNEEDED
    halt();
}

/**
 * Shut down this mav - All onboard 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()
{
    halt();
    // FIXME MAVLINKV10PORTINGNEEDED
    //    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)
    //    {
    //        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_KILL);
    //        // Send message twice to increase chance of reception
    //        sendMessage(msg);
    //        sendMessage(msg);
    //        result = true;
    //    }
    //    return result;
    return false;
}

/**
* If enabled, connect the flight gear link.
*/
void UAS::enableHilFlightGear(bool enable, QString options)
{
    QGCFlightGearLink* link = dynamic_cast<QGCFlightGearLink*>(simulation);
    if (!link || !simulation) {
        // Delete wrong sim
        if (simulation) {
            stopHil();
            delete simulation;
        }
        simulation = new QGCFlightGearLink(this, options);
    }
    // Connect Flight Gear Link
    link = dynamic_cast<QGCFlightGearLink*>(simulation);
    link->setStartupArguments(options);
    if (enable)
    {
        startHil();
    }
    else
    {
        stopHil();
    }
}

/**
* If enabled, connect the JSBSim link.
*/
void UAS::enableHilJSBSim(bool enable, QString options)
{
    QGCJSBSimLink* link = dynamic_cast<QGCJSBSimLink*>(simulation);
    if (!link || !simulation) {
        // Delete wrong sim
        if (simulation) {
            stopHil();
            delete simulation;
        }
        simulation = new QGCJSBSimLink(this, options);
    }
    // Connect Flight Gear Link
    link = dynamic_cast<QGCJSBSimLink*>(simulation);
    link->setStartupArguments(options);
    if (enable)
    {
        startHil();
    }
    else
    {
        stopHil();
    }
}

/**
* If enabled, connect the X-plane gear link.
*/
void UAS::enableHilXPlane(bool enable)
{
    QGCXPlaneLink* link = dynamic_cast<QGCXPlaneLink*>(simulation);
    if (!link || !simulation) {
        if (simulation) {
            stopHil();
            delete simulation;
        }
        qDebug() << "CREATED NEW XPLANE LINK";
        simulation = new QGCXPlaneLink(this);
    }
    // Connect X-Plane Link
    if (enable)
    {
        startHil();
    }
    else
    {
        stopHil();
    }
}

/**
* @param time_us Timestamp (microseconds since UNIX epoch or microseconds since system boot)
* @param roll Roll angle (rad)
* @param pitch Pitch angle (rad)
* @param yaw Yaw angle (rad)
* @param rollspeed Roll angular speed (rad/s)
* @param pitchspeed Pitch angular speed (rad/s)
* @param yawspeed Yaw angular speed (rad/s)
* @param lat Latitude, expressed as * 1E7
* @param lon Longitude, expressed as * 1E7
* @param alt Altitude in meters, expressed as * 1000 (millimeters)
* @param vx Ground X Speed (Latitude), expressed as m/s * 100
* @param vy Ground Y Speed (Longitude), expressed as m/s * 100
* @param vz Ground Z Speed (Altitude), expressed as m/s * 100
* @param xacc X acceleration (mg)
* @param yacc Y acceleration (mg)
* @param zacc Z acceleration (mg)
*/
void UAS::sendHilState(quint64 time_us, float roll, float pitch, float yaw, float rollspeed,
                       float pitchspeed, float yawspeed, double lat, double lon, double alt,
                       float vx, float vy, float vz, float xacc, float yacc, float zacc)
{
    if (this->mode & MAV_MODE_FLAG_HIL_ENABLED)
    {
        if (QGC::groundTimeMilliseconds() - lastSendTimeSensors < 100) {
            // Emit attitude for cross-check
            emit attitudeChanged(this, 201, roll, pitch, yaw, getUnixTime());
            emit valueChanged(uasId, "roll sim", "rad", roll, getUnixTime());
            emit valueChanged(uasId, "pitch sim", "rad", pitch, getUnixTime());
            emit valueChanged(uasId, "yaw sim", "rad", yaw, getUnixTime());

            emit valueChanged(uasId, "roll rate sim", "rad/s", rollspeed, getUnixTime());
            emit valueChanged(uasId, "pitch rate sim", "rad/s", pitchspeed, getUnixTime());
            emit valueChanged(uasId, "yaw rate sim", "rad/s", yawspeed, getUnixTime());

            emit valueChanged(uasId, "vx sim", "rad", vx*100, getUnixTime());
            emit valueChanged(uasId, "vy sim", "rad", vy*100, getUnixTime());
            emit valueChanged(uasId, "vz sim", "rad", vz*100, getUnixTime());
        } else {
            mavlink_message_t msg;
            mavlink_msg_hil_state_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg,
                                       time_us, roll, pitch, yaw, rollspeed, pitchspeed, yawspeed,
                                       lat*1e7f, lon*1e7f, alt*1000, vx*100, vy*100, vz*100, xacc*1000/9.81, yacc*1000/9.81, zacc*1000/9.81);
            sendMessage(msg);
        }
    }
    else
    {
        // Attempt to set HIL mode
        mavlink_message_t msg;
        mavlink_msg_set_mode_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, this->getUASID(), mode | MAV_MODE_FLAG_HIL_ENABLED, navMode);
        sendMessage(msg);
        qDebug() << __FILE__ << __LINE__ << "HIL is onboard not enabled, trying to enable.";
    }
}

void UAS::sendHilSensors(quint64 time_us, float xacc, float yacc, float zacc, float rollspeed, float pitchspeed, float yawspeed,
                                    float xmag, float ymag, float zmag, float abs_pressure, float diff_pressure, float pressure_alt, float temperature, quint16 fields_changed)
{
    if (this->mode & MAV_MODE_FLAG_HIL_ENABLED)
    {
        mavlink_message_t msg;
        mavlink_msg_highres_imu_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg,
                                   time_us, xacc, yacc, zacc, rollspeed, pitchspeed, yawspeed,
                                     xmag, ymag, zmag, abs_pressure, diff_pressure, pressure_alt, temperature,
                                     fields_changed);
        sendMessage(msg);
        sensorHil = true;
        lastSendTimeSensors = QGC::groundTimeMilliseconds();
    }
    else
    {
        // Attempt to set HIL mode
        mavlink_message_t msg;
        mavlink_msg_set_mode_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, this->getUASID(), mode | MAV_MODE_FLAG_HIL_ENABLED, navMode);
        sendMessage(msg);
        qDebug() << __FILE__ << __LINE__ << "HIL is onboard not enabled, trying to enable.";
    }
}

void UAS::sendHilGps(quint64 time_us, double lat, double lon, double alt, int fix_type, float eph, float epv, float vel, float cog, int satellites)
{
    // Only send at 10 Hz max rate
    if (QGC::groundTimeMilliseconds() - lastSendTimeGPS < 100)
        return;

    if (this->mode & MAV_MODE_FLAG_HIL_ENABLED)
    {
        float course = cog;
        // map to 0..2pi
        if (course < 0)
            course += 2.0f * M_PI;
        // scale from radians to degrees
        course = (course / M_PI) * 180.0f;

        mavlink_message_t msg;
        mavlink_msg_gps_raw_int_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg,
                                   time_us, fix_type, lat*1e7, lon*1e7, alt*1e3, eph*1e2, epv*1e2, vel*1e2, course*1e2, satellites);
        lastSendTimeGPS = QGC::groundTimeMilliseconds();
        sendMessage(msg);
    }
    else
    {
        // Attempt to set HIL mode
        mavlink_message_t msg;
        mavlink_msg_set_mode_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, this->getUASID(), mode | MAV_MODE_FLAG_HIL_ENABLED, navMode);
        sendMessage(msg);
        qDebug() << __FILE__ << __LINE__ << "HIL is onboard not enabled, trying to enable.";
    }
}


/**
* Connect flight gear link.
**/
void UAS::startHil()
{
    if (hilEnabled) return;
    hilEnabled = true;
    sensorHil = false;
    mavlink_message_t msg;
    mavlink_msg_set_mode_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, this->getUASID(), mode | MAV_MODE_FLAG_HIL_ENABLED, navMode);
    sendMessage(msg);
    // Connect HIL simulation link
    simulation->connectSimulation();
}

/**
* disable flight gear link.
*/
void UAS::stopHil()
{
    if (simulation) simulation->disconnectSimulation();
    mavlink_message_t msg;
    mavlink_msg_set_mode_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, this->getUASID(), mode & !MAV_MODE_FLAG_HIL_ENABLED, navMode);
    sendMessage(msg);
    hilEnabled = false;
    sensorHil = false;
}

void UAS::shutdown()
{
    QMessageBox msgBox;
    msgBox.setIcon(QMessageBox::Critical);
    msgBox.setText("Shutting down the UAS");
    msgBox.setInformativeText("Do you want to shut down the onboard computer?");

    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)
    {
        // If the active UAS is set, execute command
        mavlink_message_t msg;
        mavlink_msg_command_long_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, uasId, MAV_COMP_ID_ALL, MAV_CMD_PREFLIGHT_REBOOT_SHUTDOWN, 1, 0, 2, 0, 0, 0, 0, 0);
        sendMessage(msg);
    }
}

/**
* @param x position
* @param y position
* @param z position
* @param yaw
*/
void UAS::setTargetPosition(float x, float y, float z, float yaw)
{
    mavlink_message_t msg;
    mavlink_msg_command_long_pack(mavlink->getSystemId(), mavlink->getComponentId(), &msg, uasId, MAV_COMP_ID_ALL, MAV_CMD_NAV_PATHPLANNING, 1, 1, 1, 0, yaw, x, y, z);
    sendMessage(msg);
}

/**
 * @return The name of this system as string in human-readable form
 */
QString UAS::getUASName(void) const
{
    QString result;
    if (name == "")
    {
        result = tr("MAV ") + result.sprintf("%03d", getUASID());
    }
    else
    {
        result = name;
    }
    return result;
}

/**
* @return the state of the uas as a short text.
*/
const QString& UAS::getShortState() const
{
    return shortStateText;
}

/** 
* The mode can be autonomous, guided, manual or armed. It will also return if 
* hardware in the loop is being used.
* @return the audio mode text for the id given.
*/
QString UAS::getAudioModeTextFor(int id)
{
    QString mode;
    uint8_t modeid = id;

    // BASE MODE DECODING
    if (modeid & (uint8_t)MAV_MODE_FLAG_DECODE_POSITION_AUTO)
    {
        mode += "autonomous";
    }
    else if (modeid & (uint8_t)MAV_MODE_FLAG_DECODE_POSITION_GUIDED)
    {
        mode += "guided";
    }
    else if (modeid & (uint8_t)MAV_MODE_FLAG_DECODE_POSITION_STABILIZE)
    {
        mode += "stabilized";
    }
    else if (modeid & (uint8_t)MAV_MODE_FLAG_DECODE_POSITION_MANUAL)
    {
        mode += "manual";
    }
    else
    {
        // Nothing else applies, we're in preflight
        mode += "preflight";
    }

    if (modeid != 0)
    {
        mode += " mode";
    }

    // ARMED STATE DECODING
    if (modeid & (uint8_t)MAV_MODE_FLAG_DECODE_POSITION_SAFETY)
    {
        mode.append(" and armed");
    }

    // HARDWARE IN THE LOOP DECODING
    if (modeid & (uint8_t)MAV_MODE_FLAG_DECODE_POSITION_HIL)
    {
        mode.append(" using hardware in the loop simulation");
    }

    return mode;
}

/**
* The mode returned can be auto, stabilized, test, manual, preflight or unknown. 
* @return the short text of the mode for the id given.
*/
QString UAS::getShortModeTextFor(int id)
{
    QString mode;
    uint8_t modeid = id;