pxmlw6n2f/Gazebo_Distributed_TCP/plugins/CartDemoPlugin.hh

58 lines
1.8 KiB
C++

/*
* Copyright (C) 2012 Open Source Robotics Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
#ifndef _GAZEBO_CART_DEMO_PLUGIN_HH_
#define _GAZEBO_CART_DEMO_PLUGIN_HH_
#include "gazebo/common/Plugin.hh"
#include "gazebo/physics/physics.hh"
#include "gazebo/transport/TransportTypes.hh"
#include "gazebo/util/system.hh"
#define NUM_JOINTS 3
namespace gazebo
{
/// \brief This plugin drives a four wheeled cart model forward and back
/// by applying a small wheel torque. Steering is controlled via
/// a position pid.
/// this is a test for general rolling contact stability.
/// should refine the test to be more specific in the future.
class GAZEBO_VISIBLE CartDemoPlugin : public ModelPlugin
{
public: CartDemoPlugin();
public: virtual void Load(physics::ModelPtr _model, sdf::ElementPtr _sdf);
public: virtual void Init();
private: void OnUpdate();
private: transport::NodePtr node;
private: event::ConnectionPtr updateConnection;
private: physics::ModelPtr model;
private: physics::JointPtr joints[NUM_JOINTS];
private: common::PID jointPIDs[NUM_JOINTS];
private: double jointPositions[NUM_JOINTS];
private: double jointVelocities[NUM_JOINTS];
private: double jointMaxEfforts[NUM_JOINTS];
private: common::Time prevUpdateTime;
};
}
#endif