mirror of
https://github.com/ArduPilot/ardupilot
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94cafc8a51
This commit changes the way libraries headers are included in source files: - If the header is in the same directory the source belongs to, so the notation '#include ""' is used with the path relative to the directory containing the source. - If the header is outside the directory containing the source, then we use the notation '#include <>' with the path relative to libraries folder. Some of the advantages of such approach: - Only one search path for libraries headers. - OSs like Windows may have a better lookup time.
123 lines
3.4 KiB
C++
123 lines
3.4 KiB
C++
/// -*- tab-width: 4; Mode: C++; c-basic-offset: 4; indent-tabs-mode: nil -*-
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/*
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A wrapper around the AP_InertialNav class which uses the NavEKF
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filter if available, and falls back to the AP_InertialNav filter
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when EKF is not available
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*/
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#ifndef __AP_INERTIALNAV_NAVEKF_H__
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#define __AP_INERTIALNAV_NAVEKF_H__
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#include <AP_NavEKF/AP_Nav_Common.h> // definitions shared by inertial and ekf nav filters
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class AP_InertialNav_NavEKF : public AP_InertialNav
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{
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public:
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// Constructor
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AP_InertialNav_NavEKF(AP_AHRS_NavEKF &ahrs) :
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AP_InertialNav(),
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_haveabspos(false),
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_ahrs_ekf(ahrs)
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{}
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/**
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update internal state
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*/
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void update(float dt);
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/**
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* get_filter_status - returns filter status as a series of flags
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*/
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nav_filter_status get_filter_status() const;
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/**
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* get_origin - returns the inertial navigation origin in lat/lon/alt
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*
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* @return origin Location
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*/
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struct Location get_origin() const;
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/**
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* get_position - returns the current position relative to the home location in cm.
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*
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* the home location was set with AP_InertialNav::set_home_position(int32_t, int32_t)
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*
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* @return
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*/
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const Vector3f& get_position() const;
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/**
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* get_llh - updates the provided location with the latest calculated location including absolute altitude
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* returns true on success (i.e. the EKF knows it's latest position), false on failure
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*/
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bool get_location(struct Location &loc) const;
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/**
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* get_latitude - returns the latitude of the current position estimation in 100 nano degrees (i.e. degree value multiplied by 10,000,000)
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*/
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int32_t get_latitude() const;
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/**
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* get_longitude - returns the longitude of the current position estimation in 100 nano degrees (i.e. degree value multiplied by 10,000,000)
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* @return
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*/
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int32_t get_longitude() const;
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/**
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* get_velocity - returns the current velocity in cm/s
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*
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* @return velocity vector:
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* .x : latitude velocity in cm/s
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* .y : longitude velocity in cm/s
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* .z : vertical velocity in cm/s
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*/
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const Vector3f& get_velocity() const;
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/**
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* get_velocity_xy - returns the current horizontal velocity in cm/s
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*
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* @returns the current horizontal velocity in cm/s
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*/
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float get_velocity_xy() const;
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/**
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* get_altitude - get latest altitude estimate in cm
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* @return
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*/
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float get_altitude() const;
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/**
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* getHgtAboveGnd - get latest altitude estimate above ground level in centimetres and validity flag
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* @return
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*/
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bool get_hagl(float &hagl) const;
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/**
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* get_hgt_ctrl_limit - get maximum height to be observed by the control loops in cm and a validity flag
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* this is used to limit height during optical flow navigation
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* it will return invalid when no limiting is required
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* @return
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*/
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bool get_hgt_ctrl_limit(float& limit) const;
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/**
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* get_velocity_z - returns the current climbrate.
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*
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* @see get_velocity().z
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*
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* @return climbrate in cm/s
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*/
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float get_velocity_z() const;
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private:
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Vector3f _relpos_cm; // NEU
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Vector3f _velocity_cm; // NEU
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struct Location _abspos;
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bool _haveabspos;
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AP_AHRS_NavEKF &_ahrs_ekf;
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};
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#endif // __AP_INERTIALNAV_NAVEKF_H__
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