2018-07-20 09:26:18 +02:00

83 lines
3.2 KiB
C++

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/**
* @file ControlMath.hpp
*
* Simple functions for vector manipulation that do not fit into matrix lib.
* These functions are specific for controls.
*/
#pragma once
#include <matrix/matrix/math.hpp>
#include <uORB/topics/vehicle_attitude_setpoint.h>
namespace ControlMath
{
/**
* Converts thrust vector and yaw set-point to a desired attitude.
* @param thr_sp a 3D vector
* @param yaw_sp the desired yaw
* @return vehicle_attitude_setpoints_s structure
*/
vehicle_attitude_setpoint_s thrustToAttitude(const matrix::Vector3f &thr_sp, const float yaw_sp);
/**
* Outputs the sum of two vectors but respecting the limits and priority.
* The sum of two vectors are constraint such that v0 has priority over v1.
* This means that if the length of (v0+v1) exceeds max, then it is constraint such
* that v0 has priority.
*
* @param v0 a 2D vector that has priority given the maximum available magnitude.
* @param v1 a 2D vector that less priority given the maximum available magnitude.
* @return 2D vector
*/
matrix::Vector2f constrainXY(const matrix::Vector2f &v0, const matrix::Vector2f &v1, const float &max);
/**
* This method was used for smoothing the corners along two lines.
*
* @param sphere_c
* @param sphere_r
* @param line_a
* @param line_b
* @param res
* return boolean
*
* Note: this method is not used anywhere and first requires review before usage.
*/
bool cross_sphere_line(const matrix::Vector3f &sphere_c, const float sphere_r, const matrix::Vector3f &line_a,
const matrix::Vector3f &line_b, matrix::Vector3f &res);
}