PX4-Autopilot/src/lib/FlightTasks/tasks/FlightTaskManualAltitude.cpp
2018-04-05 07:30:12 +02:00

91 lines
3.1 KiB
C++

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* Copyright (c) 2017 PX4 Development Team. All rights reserved.
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/**
* @file FlightTaskManual.hpp
*
* Flight task for manual controlled altitude.
*
*/
#include "FlightTaskManualAltitude.hpp"
#include <mathlib/mathlib.h>
#include <float.h>
#include <lib/geo/geo.h>
using namespace matrix;
FlightTaskManualAltitude::FlightTaskManualAltitude(control::SuperBlock *parent, const char *name) :
FlightTaskManual(parent, name),
_vel_max_down(parent, "MPC_Z_VEL_MAX_DN", false),
_vel_max_up(parent, "MPC_Z_VEL_MAX_UP", false),
_yaw_rate_scaling(parent, "MPC_MAN_Y_MAX", false)
{}
bool FlightTaskManualAltitude::activate()
{
_pos_sp_z = _position(2);
_yaw_sp = _yaw;
return FlightTaskManual::activate();
}
bool FlightTaskManualAltitude::update()
{
/* map stick to velocity */
const float vel_max_z = (_sticks(2) > 0.0f) ? _vel_max_down.get() : _vel_max_up.get();
float vel_sp_z = vel_max_z * _sticks_expo(2);
const float yaw_rate_sp = _sticks(3) * _yaw_rate_scaling;
if(fabsf(_sticks(2)) < FLT_EPSILON) {
_setPositionSetpoint(Vector3f(NAN, NAN, _pos_sp_z));
_setVelocitySetpoint(Vector3f(NAN, NAN, NAN));
} else {
_setPositionSetpoint(Vector3f(NAN, NAN, NAN));
_setVelocitySetpoint(Vector3f(NAN, NAN, vel_sp_z));
_pos_sp_z = _position(2) + vel_sp_z * _deltatime;
}
if(fabsf(_sticks(3) < FLT_EPSILON)) {
_setYawspeedSetpoint(NAN);
_setYawSetpoint(_yaw_sp);
} else {
_setYawspeedSetpoint(yaw_rate_sp);
_setYawSetpoint(NAN);
_yaw_sp = _wrap_pi(_yaw_sp + yaw_rate_sp * _deltatime)
}
return true;
}