Nav2 Navigation Stack - lyrical  lyrical
ROS 2 Navigation Stack
drive_on_heading_action.hpp
1 // Copyright (c) 2018 Intel Corporation
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 // http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef NAV2_BEHAVIOR_TREE__PLUGINS__ACTION__DRIVE_ON_HEADING_ACTION_HPP_
16 #define NAV2_BEHAVIOR_TREE__PLUGINS__ACTION__DRIVE_ON_HEADING_ACTION_HPP_
17 
18 #include <string>
19 
20 #include "nav2_behavior_tree/bt_action_node.hpp"
21 #include "nav2_msgs/action/drive_on_heading.hpp"
22 #include "nav2_ros_common/lifecycle_node.hpp"
23 
24 namespace nav2_behavior_tree
25 {
26 
38 class DriveOnHeadingAction : public BtActionNode<nav2_msgs::action::DriveOnHeading>
39 {
40  using Action = nav2_msgs::action::DriveOnHeading;
41  using ActionResult = Action::Result;
42 
43 public:
51  const std::string & xml_tag_name,
52  const std::string & action_name,
53  const BT::NodeConfiguration & conf);
54 
58  void initialize();
59 
64  static BT::PortsList providedPorts()
65  {
66  return providedBasicPorts(
67  {
68  BT::InputPort<double>("dist_to_travel", 0.15, "Distance to travel"),
69  BT::InputPort<double>("speed", 0.025, "Speed at which to travel"),
70  BT::InputPort<double>("time_allowance", 10.0, "Allowed time for driving on heading"),
71  BT::InputPort<bool>("disable_collision_checks", false, "Disable collision checking"),
72  });
73  }
74 
78  void on_tick() override;
79 
83  BT::NodeStatus on_success() override;
84 
88  BT::NodeStatus on_aborted() override;
89 
93  BT::NodeStatus on_cancelled() override;
94 };
95 
96 } // namespace nav2_behavior_tree
97 #endif // NAV2_BEHAVIOR_TREE__PLUGINS__ACTION__DRIVE_ON_HEADING_ACTION_HPP_
Abstract class representing an action based BT node.
static BT::PortsList providedBasicPorts(BT::PortsList addition)
Any subclass of BtActionNode that accepts parameters must provide a providedPorts method and call pro...
A nav2_behavior_tree::BtActionNode class that wraps nav2_msgs::action::DriveOnHeading.
BT::NodeStatus on_aborted() override
Function to perform some user-defined operation upon abortion of the action.
BT::NodeStatus on_success() override
Function to perform some user-defined operation upon successful completion of the action.
DriveOnHeadingAction(const std::string &xml_tag_name, const std::string &action_name, const BT::NodeConfiguration &conf)
A constructor for nav2_behavior_tree::DriveOnHeadingAction.
void on_tick() override
Function to perform some user-defined operation on tick.
void initialize()
Function to read parameters and initialize class variables.
static BT::PortsList providedPorts()
Creates list of BT ports.
BT::NodeStatus on_cancelled() override
Function to perform some user-defined operation upon cancellation of the action.