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AC_WPNav: add TER_MARGIN param

This commit is contained in:
Randy Mackay 2021-07-20 13:40:14 +09:00
parent ff1843a79c
commit fb5c458132
2 changed files with 12 additions and 0 deletions
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8
libraries/AC_WPNav/AC_WPNav.cpp
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@ -75,6 +75,14 @@ const AP_Param::GroupInfo AC_WPNav::var_info[] = {
// @User: Standard
AP_GROUPINFO("JERK", 11, AC_WPNav, _wp_jerk, 1.0f),
// @Param: TER_MARGIN
// @DisplayName: Waypoint Terrain following altitude margin
// @Description: Waypoint Terrain following altitude margin. Vehicle will stop if distance from target altitude is larger than this margin (in meters)
// @Units: m
// @Range: 0.1 100
// @User: Advanced
AP_GROUPINFO("TER_MARGIN", 12, AC_WPNav, _terrain_margin, 10.0),
AP_GROUPEND
};

4
libraries/AC_WPNav/AC_WPNav.h
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@ -49,6 +49,9 @@ public:
// get terrain's altitude (in cm above the ekf origin) at the current position (+ve means terrain below vehicle is above ekf origin's altitude)
bool get_terrain_offset(float& offset_cm);
// return terrain following altitude margin. vehicle will stop if distance from target altitude is larger than this margin
float get_terrain_margin() const { return MAX(_terrain_margin, 0.1); }
// convert location to vector from ekf origin. terrain_alt is set to true if resulting vector's z-axis should be treated as alt-above-terrain
// returns false if conversion failed (likely because terrain data was not available)
bool get_vector_NEU(const Location &loc, Vector3f &vec, bool &terrain_alt);
@ -236,6 +239,7 @@ protected:
AP_Float _wp_accel_cmss; // horizontal acceleration in cm/s/s during missions
AP_Float _wp_accel_z_cmss; // vertical acceleration in cm/s/s during missions
AP_Float _wp_jerk; // maximum jerk used to generate scurve trajectories in m/s/s/s
AP_Float _terrain_margin; // terrain following altitude margin. vehicle will stop if distance from target altitude is larger than this margin
// scurve
SCurve _scurve_prev_leg; // previous scurve trajectory used to blend with current scurve trajectory