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PX4-Autopilot/src/modules/flight_mode_manager/tasks/AutoLineSmoothVel/FlightTaskAutoLineSmoothVel.hpp

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*
* Copyright (c) 2018 PX4 Development Team. All rights reserved.
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/**
* @file FlightTaskAutoLineSmoothVel.hpp
*
* Flight task for autonomous, gps driven mode. The vehicle flies
* along a straight line in between waypoints.
*/
#pragma once
#include "FlightTaskAutoMapper.hpp"
#include <motion_planning/PositionSmoothing.hpp>
#include "Sticks.hpp"
#include "StickAccelerationXY.hpp"
#include "StickYaw.hpp"
class FlightTaskAutoLineSmoothVel : public FlightTaskAutoMapper
{
public:
FlightTaskAutoLineSmoothVel();
virtual ~FlightTaskAutoLineSmoothVel() = default;
bool activate(const vehicle_local_position_setpoint_s &last_setpoint) override;
void reActivate() override;
bool update() override;
private:
PositionSmoothing _position_smoothing;
Vector3f _unsmoothed_velocity_setpoint;
protected:
/** Reset position or velocity setpoints in case of EKF reset event */
void _ekfResetHandlerPositionXY(const matrix::Vector2f &delta_xy) override;
void _ekfResetHandlerVelocityXY(const matrix::Vector2f &delta_vxy) override;
void _ekfResetHandlerPositionZ(float delta_z) override;
void _ekfResetHandlerVelocityZ(float delta_vz) override;
void _ekfResetHandlerHeading(float delta_psi) override;
void _generateSetpoints(); /**< Generate setpoints along line. */
void _generateHeading();
void _checkEmergencyBraking();
bool _generateHeadingAlongTraj(); /**< Generates heading along trajectory. */
bool isTargetModified() const;
bool _is_emergency_braking_active{false};
void _prepareSetpoints(); /**< Generate velocity target points for the trajectory generator. */
void _updateTrajConstraints();
/** determines when to trigger a takeoff (ignored in flight) */
bool _checkTakeoff() override { return _want_takeoff; };
bool _want_takeoff{false};
void _prepareIdleSetpoints();
void _prepareLandSetpoints();
void _prepareVelocitySetpoints();
void _prepareTakeoffSetpoints();
void _preparePositionSetpoints();
bool _highEnoughForLandingGear(); /**< Checks if gears can be lowered. */
void updateParams() override; /**< See ModuleParam class */
Sticks _sticks;
StickAccelerationXY _stick_acceleration_xy;
StickYaw _stick_yaw;
matrix::Vector3f _land_position;
float _land_heading;
WaypointType _type_previous{WaypointType::idle}; /**< Previous type of current target triplet. */
DEFINE_PARAMETERS_CUSTOM_PARENT(FlightTaskAuto,
(ParamFloat<px4::params::MIS_YAW_ERR>) _param_mis_yaw_err, // yaw-error threshold
(ParamFloat<px4::params::MPC_ACC_HOR>) _param_mpc_acc_hor, // acceleration in flight
(ParamFloat<px4::params::MPC_ACC_UP_MAX>) _param_mpc_acc_up_max,
(ParamFloat<px4::params::MPC_ACC_DOWN_MAX>) _param_mpc_acc_down_max,
(ParamFloat<px4::params::MPC_JERK_AUTO>) _param_mpc_jerk_auto,
(ParamFloat<px4::params::MPC_XY_TRAJ_P>) _param_mpc_xy_traj_p,
(ParamFloat<px4::params::MPC_XY_ERR_MAX>) _param_mpc_xy_err_max,
(ParamFloat<px4::params::MPC_LAND_SPEED>) _param_mpc_land_speed,
(ParamInt<px4::params::MPC_LAND_RC_HELP>) _param_mpc_land_rc_help,
(ParamFloat<px4::params::MPC_LAND_ALT1>)
_param_mpc_land_alt1, // altitude at which speed limit downwards reaches maximum speed
(ParamFloat<px4::params::MPC_LAND_ALT2>)
_param_mpc_land_alt2, // altitude at which speed limit downwards reached minimum speed
(ParamFloat<px4::params::MPC_TKO_SPEED>) _param_mpc_tko_speed,
(ParamFloat<px4::params::MPC_TKO_RAMP_T>)
_param_mpc_tko_ramp_t, // time constant for smooth takeoff ramp
(ParamFloat<px4::params::MPC_MAN_Y_MAX>) _param_mpc_man_y_max
);
};