PX4 ROS 2 Interface Library
Library to interface with PX4 from a companion computer using ROS 2
attitude.hpp
1 /****************************************************************************
2  * Copyright (c) 2024 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_attitude.hpp>
10 #include <px4_ros2/common/context.hpp>
11 #include <px4_ros2/utils/geometry.hpp>
12 #include <px4_ros2/utils/subscription.hpp>
13 
14 namespace px4_ros2 {
22 class OdometryAttitude : public Subscription<px4_msgs::msg::VehicleAttitude> {
23  public:
24  explicit OdometryAttitude(Context& context);
25 
31  Eigen::Quaternionf attitude() const
32  {
33  const px4_msgs::msg::VehicleAttitude& att = last();
34  return Eigen::Quaternionf{att.q[0], att.q[1], att.q[2], att.q[3]};
35  }
36 
42  float roll() const { return quaternionToRoll(attitude()); }
43 
49  float pitch() const { return quaternionToPitch(attitude()); }
50 
56  float yaw() const { return quaternionToYaw(attitude()); }
57 };
58 
60 } /* namespace px4_ros2 */
Definition: context.hpp:18
Provides access to the vehicle's attitude estimate.
Definition: attitude.hpp:22
Eigen::Quaternionf attitude() const
Get the vehicle's attitude.
Definition: attitude.hpp:31
float pitch() const
Get the vehicle's pitch in extrinsic RPY order.
Definition: attitude.hpp:49
float roll() const
Get the vehicle's roll in extrinsic RPY order.
Definition: attitude.hpp:42
float yaw() const
Get the vehicle's yaw in extrinsic RPY order.
Definition: attitude.hpp:56
Provides a subscription to arbitrary ROS topics.
Definition: subscription.hpp:27
const px4_msgs::msg::VehicleAttitude & last() const
Get the last-received message.
Definition: subscription.hpp:57
Type quaternionToRoll(const Eigen::Quaternion< Type > &q)
Convert quaternion to roll angle in extrinsic RPY order (intrinsic YPR)
Definition: geometry.hpp:147
Type quaternionToPitch(const Eigen::Quaternion< Type > &q)
Convert quaternion to pitch angle in extrinsic RPY order (intrinsic YPR)
Definition: geometry.hpp:159
Type quaternionToYaw(const Eigen::Quaternion< Type > &q)
Convert quaternion to yaw angle in extrinsic RPY order (intrinsic YPR)
Definition: geometry.hpp:171