Example #1
0
void Plane::set_guided_WP(void)
{
    if (g.loiter_radius < 0 || guided_WP_loc.flags.loiter_ccw) {
        loiter.direction = -1;
    } else {
        loiter.direction = 1;
    }

    // copy the current location into the OldWP slot
    // ---------------------------------------
    prev_WP_loc = current_loc;

    // Load the next_WP slot
    // ---------------------
    next_WP_loc = guided_WP_loc;

    // used to control FBW and limit the rate of climb
    // -----------------------------------------------
    set_target_altitude_current();

    update_flight_stage();
    setup_glide_slope();
    setup_turn_angle();

    // reset loiter start time.
    loiter.start_time_ms = 0;

    // start in non-VTOL mode
    auto_state.vtol_loiter = false;
    
    loiter_angle_reset();
}
Example #2
0
/*
 *  set_next_WP - sets the target location the vehicle should fly to
 */
void Plane::set_next_WP(const struct Location &loc)
{
    if (auto_state.next_wp_no_crosstrack) {
        // we should not try to cross-track for this waypoint
        prev_WP_loc = current_loc;
        // use cross-track for the next waypoint
        auto_state.next_wp_no_crosstrack = false;
        auto_state.no_crosstrack = true;
    } else {
        // copy the current WP into the OldWP slot
        prev_WP_loc = next_WP_loc;
        auto_state.no_crosstrack = false;
    }

    // Load the next_WP slot
    // ---------------------
    next_WP_loc = loc;

    // if lat and lon is zero, then use current lat/lon
    // this allows a mission to contain a "loiter on the spot"
    // command
    if (next_WP_loc.lat == 0 && next_WP_loc.lng == 0) {
        next_WP_loc.lat = current_loc.lat;
        next_WP_loc.lng = current_loc.lng;
        // additionally treat zero altitude as current altitude
        if (next_WP_loc.alt == 0) {
            next_WP_loc.alt = current_loc.alt;
            next_WP_loc.flags.relative_alt = false;
            next_WP_loc.flags.terrain_alt = false;
        }
    }

    // convert relative alt to absolute alt
    if (next_WP_loc.flags.relative_alt) {
        next_WP_loc.flags.relative_alt = false;
        next_WP_loc.alt += home.alt;
    }

    // are we already past the waypoint? This happens when we jump
    // waypoints, and it can cause us to skip a waypoint. If we are
    // past the waypoint when we start on a leg, then use the current
    // location as the previous waypoint, to prevent immediately
    // considering the waypoint complete
    if (location_passed_point(current_loc, prev_WP_loc, next_WP_loc)) {
        gcs_send_text(MAV_SEVERITY_NOTICE, "Resetting previous waypoint");
        prev_WP_loc = current_loc;
    }

    // used to control FBW and limit the rate of climb
    // -----------------------------------------------
    set_target_altitude_location(next_WP_loc);

    // zero out our loiter vals to watch for missed waypoints
    loiter_angle_reset();

    setup_glide_slope();
    setup_turn_angle();

    loiter_angle_reset();
}
Example #3
0
void Plane::set_guided_WP(void)
{
    if (g.loiter_radius < 0) {
        loiter.direction = -1;
    } else {
        loiter.direction = 1;
    }

    // copy the current location into the OldWP slot
    // ---------------------------------------
    prev_WP_loc = current_loc;

    // Load the next_WP slot
    // ---------------------
    next_WP_loc = guided_WP_loc;

    // used to control FBW and limit the rate of climb
    // -----------------------------------------------
    set_target_altitude_current();

    update_flight_stage();
    setup_glide_slope();
    setup_turn_angle();

    loiter_angle_reset();
}
Example #4
0
// exit_mission_callback - callback function called from ap-mission when the mission has completed
//      we double check that the flight mode is AUTO to avoid the possibility of ap-mission triggering actions while we're not in AUTO mode
void Plane::exit_mission_callback()
{
    if (control_mode == AUTO) {
        gcs_send_text_fmt(PSTR("Returning to Home"));
        memset(&auto_rtl_command, 0, sizeof(auto_rtl_command));
        auto_rtl_command.content.location = 
            rally.calc_best_rally_or_home_location(current_loc, get_RTL_altitude());
        auto_rtl_command.id = MAV_CMD_NAV_LOITER_UNLIM;
        setup_terrain_target_alt(auto_rtl_command.content.location);
        update_flight_stage();
        setup_glide_slope();
        setup_turn_angle();
        start_command(auto_rtl_command);
    }
}
Example #5
0
void Plane::do_RTL(int32_t rtl_altitude)
{
    auto_state.next_wp_no_crosstrack = true;
    auto_state.no_crosstrack = true;
    prev_WP_loc = current_loc;
    next_WP_loc = rally.calc_best_rally_or_home_location(current_loc, rtl_altitude);
    setup_terrain_target_alt(next_WP_loc);
    set_target_altitude_location(next_WP_loc);

    if (aparm.loiter_radius < 0) {
        loiter.direction = -1;
    } else {
        loiter.direction = 1;
    }

    setup_glide_slope();
    setup_turn_angle();

    if (should_log(MASK_LOG_MODE))
        DataFlash.Log_Write_Mode(control_mode);
}