PX4 ROS 2 Interface Library
Library to interface with PX4 from a companion computer using ROS 2
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 
13 namespace px4_ros2
14 {
22 class OdometryGlobalPosition : public Subscription<px4_msgs::msg::VehicleGlobalPosition>
23 {
24 public:
25  explicit OdometryGlobalPosition(Context & context);
26 
32  Eigen::Vector3d position() const
33  {
34  const px4_msgs::msg::VehicleGlobalPosition & pos = last();
35  return {pos.lat, pos.lon, pos.alt};
36  }
37 };
38 
40 } /* namespace px4_ros2 */
px4_ros2::Context
Definition: context.hpp:20
px4_ros2::OdometryGlobalPosition
Provides access to the vehicle's global position estimate.
Definition: global_position.hpp:23
px4_ros2::OdometryGlobalPosition::position
Eigen::Vector3d position() const
Get the vehicle's global position.
Definition: global_position.hpp:32
px4_ros2::Subscription
Provides a subscription to arbitrary ROS topics.
Definition: subscription.hpp:23
px4_ros2::Subscription< px4_msgs::msg::VehicleGlobalPosition >::last
const px4_msgs::msg::VehicleGlobalPosition & last() const
Get the last-received message.
Definition: subscription.hpp:58