ardupilot/libraries/AP_InertialNav/AP_InertialNav.h

84 lines
2.2 KiB
C++

/*
A wrapper around the AP_InertialNav class which uses the NavEKF
filter if available, and falls back to the AP_InertialNav filter
when EKF is not available
*/
#pragma once
#include <AP_NavEKF/AP_Nav_Common.h> // definitions shared by inertial and ekf nav filters
class AP_InertialNav
{
public:
// Constructor
AP_InertialNav(class AP_AHRS &ahrs) :
_ahrs_ekf(ahrs)
{}
/**
update internal state
*/
void update(bool high_vibes = false);
/**
* get_filter_status - returns filter status as a series of flags
*/
nav_filter_status get_filter_status() const;
/**
* get_position_neu_cm - returns the current position relative to the EKF origin in cm.
*
* @return
*/
const Vector3f& get_position_neu_cm() const;
/**
* get_position_xy_cm - returns the current x-y position relative to the EKF origin in cm.
*
* @return
*/
const Vector2f& get_position_xy_cm() const;
/**
* get_position_z_up_cm - returns the current z position relative to the EKF origin, frame z up, in cm.
* @return
*/
float get_position_z_up_cm() const;
/**
* get_velocity_neu_cms - returns the current velocity in cm/s
*
* @return velocity vector:
* .x : latitude velocity in cm/s
* .y : longitude velocity in cm/s
* .z : vertical velocity in cm/s
*/
const Vector3f& get_velocity_neu_cms() const;
/**
* get_velocity_xy_cms - returns the current x-y velocity relative to the EKF origin in cm.
*
* @return
*/
const Vector2f& get_velocity_xy_cms() const;
/**
* get_speed_xy_cms - returns the current horizontal speed in cm/s
*
* @returns the current horizontal speed in cm/s
*/
float get_speed_xy_cms() const;
/**
* get_velocity_z_up_cms - returns the current z-axis velocity, frame z-axis up, in cm/s
*
* @return z-axis velocity, frame z-axis up, in cm/s
*/
float get_velocity_z_up_cms() const;
private:
Vector3f _relpos_cm; // NEU
Vector3f _velocity_cm; // NEU
AP_AHRS &_ahrs_ekf;
};