yemai/bizhang_-obav
1
0
Fork 0
mirror of https://gitee.com/xiaohuolufeihua/bizhang_-obav.git synced 2026-05-22 01:12:31 +00:00
Code Issues Packages Projects Releases Wiki Activity
Files
919b3a218abccb69c4f2c424834ea46db5253855
bizhang_-obav/src/modules/navigator/mission_block.cpp

794 lines
26 KiB
C++
Raw Blame History

/****************************************************************************
*
* Copyright (c) 2014 PX4 Development Team. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
* 3. Neither the name PX4 nor the names of its contributors may be
* used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
* OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
* AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
****************************************************************************/
/**
* @file mission_block.cpp
*
* Helper class to use mission items
*
* @author Julian Oes <julian@oes.ch>
* @author Sander Smeets <sander@droneslab.com>
* @author Andreas Antener <andreas@uaventure.com>
*/
#include "mission_block.h"
#include "navigator.h"
#include <math.h>
#include <float.h>
#include <geo/geo.h>
#include <systemlib/mavlink_log.h>
#include <mathlib/mathlib.h>
#include <uORB/uORB.h>
#include <uORB/topics/actuator_controls.h>
#include <uORB/topics/vehicle_command.h>
#include <uORB/topics/vtol_vehicle_status.h>
MissionBlock::MissionBlock(Navigator *navigator, const char *name) :
NavigatorMode(navigator, name),
_param_loiter_min_alt(this, "MIS_LTRMIN_ALT", false),
_param_yaw_timeout(this, "MIS_YAW_TMT", false),
_param_yaw_err(this, "MIS_YAW_ERR", false),
_param_vtol_wv_land(this, "VT_WV_LND_EN", false),
_param_vtol_wv_takeoff(this, "VT_WV_TKO_EN", false),
_param_vtol_wv_loiter(this, "VT_WV_LTR_EN", false),
_param_force_vtol(this, "NAV_FORCE_VT", false),
_param_back_trans_dec_mss(this, "VT_B_DEC_MSS", false),
_param_reverse_delay(this, "VT_B_REV_DEL", false)
{
}
bool
MissionBlock::is_mission_item_reached()
{
/* handle non-navigation or indefinite waypoints */
switch (_mission_item.nav_cmd) {
case NAV_CMD_DO_SET_SERVO:
return true;
case NAV_CMD_LAND: /* fall through */
case NAV_CMD_VTOL_LAND:
return _navigator->get_land_detected()->landed;
case NAV_CMD_IDLE: /* fall through */
case NAV_CMD_LOITER_UNLIMITED:
return false;
case NAV_CMD_DO_LAND_START:
case NAV_CMD_DO_TRIGGER_CONTROL:
case NAV_CMD_DO_DIGICAM_CONTROL:
case NAV_CMD_IMAGE_START_CAPTURE:
case NAV_CMD_IMAGE_STOP_CAPTURE:
case NAV_CMD_VIDEO_START_CAPTURE:
case NAV_CMD_VIDEO_STOP_CAPTURE:
case NAV_CMD_DO_MOUNT_CONFIGURE:
case NAV_CMD_DO_MOUNT_CONTROL:
case NAV_CMD_DO_SET_ROI:
case NAV_CMD_ROI:
case NAV_CMD_DO_SET_CAM_TRIGG_DIST:
case NAV_CMD_DO_SET_CAM_TRIGG_INTERVAL:
case NAV_CMD_SET_CAMERA_MODE:
return true;
case NAV_CMD_DO_VTOL_TRANSITION:
/*
* We wait half a second to give the transition command time to propagate.
* Then monitor the transition status for completion.
*/
// TODO: check desired transition state achieved and drop _action_start
if (hrt_absolute_time() - _action_start > 500000 &&
!_navigator->get_vstatus()->in_transition_mode) {
_action_start = 0;
return true;
} else {
return false;
}
case NAV_CMD_DO_CHANGE_SPEED:
return true;
default:
/* do nothing, this is a 3D waypoint */
break;
}
hrt_abstime now = hrt_absolute_time();
if (!_navigator->get_land_detected()->landed && !_waypoint_position_reached) {
float dist = -1.0f;
float dist_xy = -1.0f;
float dist_z = -1.0f;
float altitude_amsl = _mission_item.altitude_is_relative
? _mission_item.altitude + _navigator->get_home_position()->alt
: _mission_item.altitude;
dist = get_distance_to_point_global_wgs84(_mission_item.lat, _mission_item.lon, altitude_amsl,
_navigator->get_global_position()->lat,
_navigator->get_global_position()->lon,
_navigator->get_global_position()->alt,
&dist_xy, &dist_z);
/* FW special case for NAV_CMD_WAYPOINT to achieve altitude via loiter */
if (!_navigator->get_vstatus()->is_rotary_wing &&
(_mission_item.nav_cmd == NAV_CMD_WAYPOINT)) {
struct position_setpoint_s *curr_sp = &_navigator->get_position_setpoint_triplet()->current;
/* close to waypoint, but altitude error greater than twice acceptance */
if ((dist >= 0.0f)
&& (dist_z > 2 * _navigator->get_altitude_acceptance_radius())
&& (dist_xy < 2 * _navigator->get_loiter_radius())) {
/* SETPOINT_TYPE_POSITION -> SETPOINT_TYPE_LOITER */
if (curr_sp->type == position_setpoint_s::SETPOINT_TYPE_POSITION) {
curr_sp->type = position_setpoint_s::SETPOINT_TYPE_LOITER;
curr_sp->loiter_radius = _navigator->get_loiter_radius();
curr_sp->loiter_direction = 1;
_navigator->set_position_setpoint_triplet_updated();
}
} else {
/* restore SETPOINT_TYPE_POSITION */
if (curr_sp->type == position_setpoint_s::SETPOINT_TYPE_LOITER) {
/* loiter acceptance criteria required to revert back to SETPOINT_TYPE_POSITION */
if ((dist >= 0.0f)
&& (dist_z < _navigator->get_loiter_radius())
&& (dist_xy <= _navigator->get_loiter_radius() * 1.2f)) {
curr_sp->type = position_setpoint_s::SETPOINT_TYPE_POSITION;
_navigator->set_position_setpoint_triplet_updated();
}
}
}
}
if ((_mission_item.nav_cmd == NAV_CMD_TAKEOFF || _mission_item.nav_cmd == NAV_CMD_VTOL_TAKEOFF)
&& _navigator->get_vstatus()->is_rotary_wing) {
/* We want to avoid the edge case where the acceptance radius is bigger or equal than
* the altitude of the takeoff waypoint above home. Otherwise, we do not really follow
* take-off procedures like leaving the landing gear down. */
float takeoff_alt = _mission_item.altitude_is_relative ?
_mission_item.altitude :
(_mission_item.altitude - _navigator->get_home_position()->alt);
float altitude_acceptance_radius = _navigator->get_altitude_acceptance_radius();
/* It should be safe to just use half of the takoeff_alt as an acceptance radius. */
if (takeoff_alt > 0 && takeoff_alt < altitude_acceptance_radius) {
altitude_acceptance_radius = takeoff_alt / 2.0f;
}
/* require only altitude for takeoff for multicopter */
if (_navigator->get_global_position()->alt >
altitude_amsl - altitude_acceptance_radius) {
_waypoint_position_reached = true;
}
} else if (_mission_item.nav_cmd == NAV_CMD_TAKEOFF) {
/* for takeoff mission items use the parameter for the takeoff acceptance radius */
if (dist >= 0.0f && dist <= _navigator->get_acceptance_radius()
&& dist_z <= _navigator->get_altitude_acceptance_radius()) {
_waypoint_position_reached = true;
}
} else if (!_navigator->get_vstatus()->is_rotary_wing &&
(_mission_item.nav_cmd == NAV_CMD_LOITER_UNLIMITED ||
_mission_item.nav_cmd == NAV_CMD_LOITER_TIME_LIMIT)) {
/* Loiter mission item on a non rotary wing: the aircraft is going to circle the
* coordinates with a radius equal to the loiter_radius field. It is not flying
* through the waypoint center.
* Therefore the item is marked as reached once the system reaches the loiter
* radius (+ some margin). Time inside and turn count is handled elsewhere.
*/
if (dist >= 0.0f && dist <= _navigator->get_acceptance_radius(fabsf(_mission_item.loiter_radius) * 1.2f)
&& dist_z <= _navigator->get_altitude_acceptance_radius()) {
_waypoint_position_reached = true;
} else {
_time_first_inside_orbit = 0;
}
} else if (!_navigator->get_vstatus()->is_rotary_wing &&
(_mission_item.nav_cmd == NAV_CMD_LOITER_TO_ALT)) {
// NAV_CMD_LOITER_TO_ALT only uses mission item altitude once it's in the loiter
// first check if the altitude setpoint is the mission setpoint
struct position_setpoint_s *curr_sp = &_navigator->get_position_setpoint_triplet()->current;
if (fabsf(curr_sp->alt - altitude_amsl) >= FLT_EPSILON) {
// check if the initial loiter has been accepted
dist_xy = -1.0f;
dist_z = -1.0f;
dist = get_distance_to_point_global_wgs84(_mission_item.lat, _mission_item.lon, curr_sp->alt,
_navigator->get_global_position()->lat,
_navigator->get_global_position()->lon,
_navigator->get_global_position()->alt,
&dist_xy, &dist_z);
if (dist >= 0.0f && dist <= _navigator->get_acceptance_radius(fabsf(_mission_item.loiter_radius) * 1.2f)
&& dist_z <= _navigator->get_altitude_acceptance_radius()) {
// now set the loiter to the final altitude in the NAV_CMD_LOITER_TO_ALT mission item
curr_sp->alt = altitude_amsl;
_navigator->set_position_setpoint_triplet_updated();
}
} else {
if (dist >= 0.0f && dist <= _navigator->get_acceptance_radius(fabsf(_mission_item.loiter_radius) * 1.2f)
&& dist_z <= _navigator->get_altitude_acceptance_radius()) {
_waypoint_position_reached = true;
// set required yaw from bearing to the next mission item
if (_mission_item.force_heading) {
struct position_setpoint_s next_sp = _navigator->get_position_setpoint_triplet()->next;
if (next_sp.valid) {
_mission_item.yaw = get_bearing_to_next_waypoint(_navigator->get_global_position()->lat,
_navigator->get_global_position()->lon,
next_sp.lat, next_sp.lon);
_waypoint_yaw_reached = false;
} else {
_waypoint_yaw_reached = true;
}
}
}
}
} else if (_mission_item.nav_cmd == NAV_CMD_DELAY) {
_waypoint_position_reached = true;
_waypoint_yaw_reached = true;
_time_wp_reached = now;
} else {
/* for normal mission items used their acceptance radius */
float mission_acceptance_radius = _navigator->get_acceptance_radius(_mission_item.acceptance_radius);
/* if set to zero use the default instead */
if (mission_acceptance_radius < NAV_EPSILON_POSITION) {
mission_acceptance_radius = _navigator->get_acceptance_radius();
}
/* for vtol back transition calculate acceptance radius based on time and ground speed */
if (_mission_item.vtol_back_transition) {
float velocity = sqrtf(_navigator->get_local_position()->vx * _navigator->get_local_position()->vx +
_navigator->get_local_position()->vy * _navigator->get_local_position()->vy);
if (_param_back_trans_dec_mss.get() > FLT_EPSILON && velocity > FLT_EPSILON) {
mission_acceptance_radius = ((velocity / _param_back_trans_dec_mss.get() / 2) * velocity) + _param_reverse_delay.get() *
velocity;
}
}
if (dist >= 0.0f && dist <= mission_acceptance_radius
&& dist_z <= _navigator->get_altitude_acceptance_radius()) {
_waypoint_position_reached = true;
}
}
if (_waypoint_position_reached) {
// reached just now
_time_wp_reached = now;
}
}
/* Check if the waypoint and the requested yaw setpoint. */
if (_waypoint_position_reached && !_waypoint_yaw_reached) {
if ((_navigator->get_vstatus()->is_rotary_wing
|| (_mission_item.nav_cmd == NAV_CMD_LOITER_TO_ALT && _mission_item.force_heading))
&& PX4_ISFINITE(_mission_item.yaw)) {
/* check course if defined only for rotary wing except takeoff */
float cog = _navigator->get_vstatus()->is_rotary_wing ? _navigator->get_global_position()->yaw : atan2f(
_navigator->get_global_position()->vel_e,
_navigator->get_global_position()->vel_n);
float yaw_err = _wrap_pi(_mission_item.yaw - cog);
/* accept yaw if reached or if timeout is set in which case we ignore not forced headings */
if (fabsf(yaw_err) < math::radians(_param_yaw_err.get())
|| (_param_yaw_timeout.get() >= FLT_EPSILON && !_mission_item.force_heading)) {
_waypoint_yaw_reached = true;
}
/* if heading needs to be reached, the timeout is enabled and we don't make it, abort mission */
if (!_waypoint_yaw_reached && _mission_item.force_heading &&
(_param_yaw_timeout.get() >= FLT_EPSILON) &&
(now - _time_wp_reached >= (hrt_abstime)_param_yaw_timeout.get() * 1e6f)) {
_navigator->set_mission_failure("unable to reach heading within timeout");
}
} else {
_waypoint_yaw_reached = true;
}
}
/* Once the waypoint and yaw setpoint have been reached we can start the loiter time countdown */
if (_waypoint_position_reached && _waypoint_yaw_reached) {
if (_time_first_inside_orbit == 0) {
_time_first_inside_orbit = now;
}
/* check if the MAV was long enough inside the waypoint orbit */
if ((get_time_inside(_mission_item) < FLT_EPSILON) ||
(now - _time_first_inside_orbit >= (hrt_abstime)(get_time_inside(_mission_item) * 1e6f))) {
position_setpoint_s &curr_sp = _navigator->get_position_setpoint_triplet()->current;
const position_setpoint_s &next_sp = _navigator->get_position_setpoint_triplet()->next;
const float range = get_distance_to_next_waypoint(curr_sp.lat, curr_sp.lon, next_sp.lat, next_sp.lon);
// exit xtrack location
// reset lat/lon of loiter waypoint so vehicle follows a tangent
if (_mission_item.loiter_exit_xtrack && next_sp.valid && PX4_ISFINITE(range) &&
(_mission_item.nav_cmd == NAV_CMD_LOITER_TIME_LIMIT ||
_mission_item.nav_cmd == NAV_CMD_LOITER_TO_ALT)) {
float bearing = get_bearing_to_next_waypoint(curr_sp.lat, curr_sp.lon, next_sp.lat, next_sp.lon);
float inner_angle = M_PI_2_F - asinf(_mission_item.loiter_radius / range);
// Compute "ideal" tangent origin
if (curr_sp.loiter_direction > 0) {
bearing -= inner_angle;
} else {
bearing += inner_angle;
}
// Replace current setpoint lat/lon with tangent coordinate
waypoint_from_heading_and_distance(curr_sp.lat, curr_sp.lon,
bearing, curr_sp.loiter_radius,
&curr_sp.lat, &curr_sp.lon);
}
return true;
}
}
// all acceptance criteria must be met in the same iteration
_waypoint_position_reached = false;
_waypoint_yaw_reached = false;
return false;
}
void
MissionBlock::reset_mission_item_reached()
{
_waypoint_position_reached = false;
_waypoint_yaw_reached = false;
_time_first_inside_orbit = 0;
_time_wp_reached = 0;
}
void
MissionBlock::mission_item_to_vehicle_command(const struct mission_item_s *item, struct vehicle_command_s *cmd)
{
// we're expecting a mission command item here so assign the "raw" inputs to the command
// (MAV_FRAME_MISSION mission item)
cmd->param1 = item->params[0];
cmd->param2 = item->params[1];
cmd->param3 = item->params[2];
cmd->param4 = item->params[3];
cmd->param5 = item->params[4];
cmd->param6 = item->params[5];
cmd->param7 = item->params[6];
cmd->command = item->nav_cmd;
cmd->target_system = _navigator->get_vstatus()->system_id;
// The camera commands are not processed on the autopilot but will be
// sent to the mavlink links to other components.
switch (item->nav_cmd) {
case NAV_CMD_IMAGE_START_CAPTURE:
case NAV_CMD_IMAGE_STOP_CAPTURE:
case NAV_CMD_VIDEO_START_CAPTURE:
case NAV_CMD_VIDEO_STOP_CAPTURE:
cmd->target_component = 100; // MAV_COMP_ID_CAMERA
break;
default:
cmd->target_component = _navigator->get_vstatus()->component_id;
break;
}
cmd->source_system = _navigator->get_vstatus()->system_id;
cmd->source_component = _navigator->get_vstatus()->component_id;
cmd->confirmation = false;
}
void
MissionBlock::issue_command(const struct mission_item_s *item)
{
if (item_contains_position(item)) {
return;
}
// NAV_CMD_DO_LAND_START is only a marker
if (item->nav_cmd == NAV_CMD_DO_LAND_START) {
return;
}
if (item->nav_cmd == NAV_CMD_DO_SET_SERVO) {
PX4_INFO("do_set_servo command");
// XXX: we should issue a vehicle command and handle this somewhere else
_actuators = {};
// params[0] actuator number to be set 0..5 (corresponds to AUX outputs 1..6)
// params[1] new value for selected actuator in ms 900...2000
_actuators.control[(int)item->params[0]] = 1.0f / 2000 * -item->params[1];
_actuators.timestamp = hrt_absolute_time();
if (_actuator_pub != nullptr) {
orb_publish(ORB_ID(actuator_controls_2), _actuator_pub, &_actuators);
} else {
_actuator_pub = orb_advertise(ORB_ID(actuator_controls_2), &_actuators);
}
} else {
const hrt_abstime now = hrt_absolute_time();
struct vehicle_command_s cmd = {
.timestamp = now
};
mission_item_to_vehicle_command(item, &cmd);
_action_start = now;
_navigator->publish_vehicle_cmd(cmd);
}
}
float
MissionBlock::get_time_inside(const struct mission_item_s &item)
{
if (item.nav_cmd != NAV_CMD_TAKEOFF) {
return item.time_inside;
}
return 0.0f;
}
bool
MissionBlock::item_contains_position(const struct mission_item_s *item)
{
return item->nav_cmd == NAV_CMD_WAYPOINT ||
item->nav_cmd == NAV_CMD_LOITER_UNLIMITED ||
item->nav_cmd == NAV_CMD_LOITER_TIME_LIMIT ||
item->nav_cmd == NAV_CMD_LAND ||
item->nav_cmd == NAV_CMD_TAKEOFF ||
item->nav_cmd == NAV_CMD_LOITER_TO_ALT ||
item->nav_cmd == NAV_CMD_VTOL_TAKEOFF ||
item->nav_cmd == NAV_CMD_VTOL_LAND;
}
bool
MissionBlock::mission_item_to_position_setpoint(const struct mission_item_s *item, struct position_setpoint_s *sp)
{
/* don't change the setpoint for non-position items */
if (!item_contains_position(item)) {
return false;
}
sp->lat = item->lat;
sp->lon = item->lon;
sp->alt = item->altitude_is_relative ? item->altitude + _navigator->get_home_position()->alt : item->altitude;
sp->yaw = item->yaw;
sp->yaw_valid = PX4_ISFINITE(item->yaw);
sp->loiter_radius = (fabsf(item->loiter_radius) > NAV_EPSILON_POSITION) ? fabsf(item->loiter_radius) :
_navigator->get_loiter_radius();
sp->loiter_direction = (item->loiter_radius > 0) ? 1 : -1;
sp->acceptance_radius = item->acceptance_radius;
sp->disable_mc_yaw_control = item->disable_mc_yaw;
sp->cruising_speed = _navigator->get_cruising_speed();
sp->cruising_throttle = _navigator->get_cruising_throttle();
switch (item->nav_cmd) {
case NAV_CMD_IDLE:
sp->type = position_setpoint_s::SETPOINT_TYPE_IDLE;
break;
case NAV_CMD_TAKEOFF:
// if already flying (armed and !landed) treat TAKEOFF like regular POSITION
if ((_navigator->get_vstatus()->arming_state == vehicle_status_s::ARMING_STATE_ARMED)
&& !_navigator->get_land_detected()->landed) {
sp->type = position_setpoint_s::SETPOINT_TYPE_POSITION;
} else {
sp->type = position_setpoint_s::SETPOINT_TYPE_TAKEOFF;
// set pitch and ensure that the hold time is zero
sp->pitch_min = item->pitch_min;
}
break;
case NAV_CMD_VTOL_TAKEOFF:
sp->type = position_setpoint_s::SETPOINT_TYPE_TAKEOFF;
if (_navigator->get_vstatus()->is_vtol && _param_vtol_wv_takeoff.get()) {
sp->disable_mc_yaw_control = true;
}
break;
case NAV_CMD_LAND:
case NAV_CMD_VTOL_LAND:
sp->type = position_setpoint_s::SETPOINT_TYPE_LAND;
if (_navigator->get_vstatus()->is_vtol && _param_vtol_wv_land.get()) {
sp->disable_mc_yaw_control = true;
}
break;
case NAV_CMD_LOITER_TO_ALT:
// initially use current altitude, and switch to mission item altitude once in loiter position
if (_param_loiter_min_alt.get() > 0.0f) { // ignore _param_loiter_min_alt if smaller then 0 (-1)
sp->alt = math::max(_navigator->get_global_position()->alt,
_navigator->get_home_position()->alt + _param_loiter_min_alt.get());
} else {
sp->alt = _navigator->get_global_position()->alt;
}
// fall through
case NAV_CMD_LOITER_TIME_LIMIT:
case NAV_CMD_LOITER_UNLIMITED:
sp->type = position_setpoint_s::SETPOINT_TYPE_LOITER;
if (_navigator->get_vstatus()->is_vtol && _param_vtol_wv_loiter.get()) {
sp->disable_mc_yaw_control = true;
}
break;
default:
sp->type = position_setpoint_s::SETPOINT_TYPE_POSITION;
break;
}
sp->valid = true;
return sp->valid;
}
void
MissionBlock::set_previous_pos_setpoint()
{
struct position_setpoint_triplet_s *pos_sp_triplet = _navigator->get_position_setpoint_triplet();
if (pos_sp_triplet->current.valid) {
memcpy(&pos_sp_triplet->previous, &pos_sp_triplet->current, sizeof(struct position_setpoint_s));
}
}
void
MissionBlock::set_loiter_item(struct mission_item_s *item, float min_clearance)
{
if (_navigator->get_land_detected()->landed) {
/* landed, don't takeoff, but switch to IDLE mode */
item->nav_cmd = NAV_CMD_IDLE;
} else {
item->nav_cmd = NAV_CMD_LOITER_UNLIMITED;
struct position_setpoint_triplet_s *pos_sp_triplet = _navigator->get_position_setpoint_triplet();
if (_navigator->get_can_loiter_at_sp() && pos_sp_triplet->current.valid) {
/* use current position setpoint */
item->lat = pos_sp_triplet->current.lat;
item->lon = pos_sp_triplet->current.lon;
item->altitude = pos_sp_triplet->current.alt;
} else {
/* use current position and use return altitude as clearance */
item->lat = _navigator->get_global_position()->lat;
item->lon = _navigator->get_global_position()->lon;
item->altitude = _navigator->get_global_position()->alt;
if (min_clearance > 0.0f && item->altitude < _navigator->get_home_position()->alt + min_clearance) {
item->altitude = _navigator->get_home_position()->alt + min_clearance;
}
}
item->altitude_is_relative = false;
item->yaw = NAN;
item->loiter_radius = _navigator->get_loiter_radius();
item->acceptance_radius = _navigator->get_acceptance_radius();
item->time_inside = 0.0f;
item->autocontinue = false;
item->origin = ORIGIN_ONBOARD;
}
}
void
MissionBlock::set_follow_target_item(struct mission_item_s *item, float min_clearance, follow_target_s &target,
float yaw)
{
if (_navigator->get_land_detected()->landed) {
/* landed, don't takeoff, but switch to IDLE mode */
item->nav_cmd = NAV_CMD_IDLE;
} else {
item->nav_cmd = NAV_CMD_DO_FOLLOW_REPOSITION;
/* use current target position */
item->lat = target.lat;
item->lon = target.lon;
item->altitude = _navigator->get_home_position()->alt;
if (min_clearance > 8.0f) {
item->altitude += min_clearance;
} else {
item->altitude += 8.0f; // if min clearance is bad set it to 8.0 meters (well above the average height of a person)
}
}
item->altitude_is_relative = false;
item->yaw = yaw;
item->loiter_radius = _navigator->get_loiter_radius();
item->acceptance_radius = _navigator->get_acceptance_radius();
item->time_inside = 0.0f;
item->autocontinue = false;
item->origin = ORIGIN_ONBOARD;
}
void
MissionBlock::set_takeoff_item(struct mission_item_s *item, float abs_altitude, float min_pitch)
{
item->nav_cmd = NAV_CMD_TAKEOFF;
/* use current position */
item->lat = _navigator->get_global_position()->lat;
item->lon = _navigator->get_global_position()->lon;
item->yaw = _navigator->get_global_position()->yaw;
item->altitude = abs_altitude;
item->altitude_is_relative = false;
item->loiter_radius = _navigator->get_loiter_radius();
item->pitch_min = min_pitch;
item->autocontinue = false;
item->origin = ORIGIN_ONBOARD;
}
void
MissionBlock::set_land_item(struct mission_item_s *item, bool at_current_location)
{
/* VTOL transition to RW before landing */
if (_navigator->get_vstatus()->is_vtol &&
!_navigator->get_vstatus()->is_rotary_wing &&
_param_force_vtol.get() == 1) {
struct vehicle_command_s cmd = {
.timestamp = hrt_absolute_time(),
.param5 = 0.0f,
.param6 = 0.0f,
.param1 = vtol_vehicle_status_s::VEHICLE_VTOL_STATE_MC,
.param2 = 0.0f,
.param3 = 0.0f,
.param4 = 0.0f,
.param7 = 0.0f,
.command = NAV_CMD_DO_VTOL_TRANSITION
};
_navigator->publish_vehicle_cmd(cmd);
}
/* set the land item */
item->nav_cmd = NAV_CMD_LAND;
/* use current position */
if (at_current_location) {
item->lat = NAN; //descend at current position
item->lon = NAN; //descend at current position
item->yaw = _navigator->get_local_position()->yaw;
} else {
/* use home position */
item->lat = _navigator->get_home_position()->lat;
item->lon = _navigator->get_home_position()->lon;
item->yaw = _navigator->get_home_position()->yaw;
}
item->altitude = 0;
item->altitude_is_relative = false;
item->loiter_radius = _navigator->get_loiter_radius();
item->acceptance_radius = _navigator->get_acceptance_radius();
item->time_inside = 0.0f;
item->autocontinue = true;
item->origin = ORIGIN_ONBOARD;
}
void
MissionBlock::set_current_position_item(struct mission_item_s *item)
{
item->nav_cmd = NAV_CMD_WAYPOINT;
item->lat = _navigator->get_global_position()->lat;
item->lon = _navigator->get_global_position()->lon;
item->altitude_is_relative = false;
item->altitude = _navigator->get_global_position()->alt;
item->yaw = NAN;
item->loiter_radius = _navigator->get_loiter_radius();
item->acceptance_radius = _navigator->get_acceptance_radius();
item->time_inside = 0.0f;
item->autocontinue = true;
item->origin = ORIGIN_ONBOARD;
}
void
MissionBlock::set_idle_item(struct mission_item_s *item)
{
item->nav_cmd = NAV_CMD_IDLE;
item->lat = _navigator->get_home_position()->lat;
item->lon = _navigator->get_home_position()->lon;
item->altitude_is_relative = false;
item->altitude = _navigator->get_home_position()->alt;
item->yaw = NAN;
item->loiter_radius = _navigator->get_loiter_radius();
item->acceptance_radius = _navigator->get_acceptance_radius();
item->time_inside = 0.0f;
item->autocontinue = true;
item->origin = ORIGIN_ONBOARD;
}
Reference in New Issue View Git Blame Copy Permalink