PX4 ROS 2 Interface Library
Library to interface with PX4 from a companion computer using ROS 2
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global_position.hpp
1/****************************************************************************
2 * Copyright (c) 2023 PX4 Development Team.
3 * SPDX-License-Identifier: BSD-3-Clause
4 ****************************************************************************/
5
6#pragma once
7
8#include <Eigen/Eigen>
9#include <px4_msgs/msg/vehicle_global_position.hpp>
10#include <px4_ros2/common/context.hpp>
11#include <px4_ros2/utils/subscription.hpp>
12
13namespace px4_ros2 {
21class OdometryGlobalPosition : public Subscription<px4_msgs::msg::VehicleGlobalPosition> {
22 public:
23 explicit OdometryGlobalPosition(Context& context);
24
28 bool positionValid() const { return lastValid() && last().lat_lon_valid && last().alt_valid; }
29
35 Eigen::Vector3d position() const
36 {
37 const px4_msgs::msg::VehicleGlobalPosition& pos = last();
38 return {pos.lat, pos.lon, pos.alt};
39 }
40};
41
43} /* namespace px4_ros2 */
Definition context.hpp:18
Provides access to the vehicle's global position estimate.
Definition global_position.hpp:21
Eigen::Vector3d position() const
Get the vehicle's global position.
Definition global_position.hpp:35
bool positionValid() const
Definition global_position.hpp:28
Provides a subscription to arbitrary ROS topics.
Definition subscription.hpp:27
bool lastValid(const std::chrono::duration< int64_t, DurationT > max_delay=500ms) const
Check whether the last message is still valid. To be valid, the message must have been received withi...
Definition subscription.hpp:80
const px4_msgs::msg::VehicleGlobalPosition & last() const
Get the last-received message.
Definition subscription.hpp:57