pxmlw6n2f/Gazebo_Distributed_TCP/gazebo/gui/SpaceNav.hh

81 lines
2.6 KiB
C++

/*
* Copyright (C) 2014 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_SPACENAV_HH_
#define _GAZEBO_SPACENAV_HH_
namespace gazebo
{
namespace gui
{
class SpaceNavPrivate;
/// \class SpaceNav SpacNav.hh gui/gui.hh
/// \brief Interface to the space navigator joystick.
///
/// The space nav can be configured in ~/.gazebo/gui.in with the following:
///
/// \code
/// [spacenav]
/// deadband_x = 0.1
/// deadband_y = 0.1
/// deadband_z = 0.1
/// deadband_rx = 0.1
/// deadband_ry = 0.1
/// deadband_rz = 0.1
/// topic=~/spacenav/joy
/// \endcode
///
/// - deadband is the threshold below which a zero value is returned
/// - deadband_x : Deadband for x translation
/// - deadband_y : Deadband for y translation
/// - deadband_z : Deadband for z translation
/// - deadband_rx : Deadband for x-axis rotation
/// - deadband_ry : Deadband for y-axis rotation
/// - deadband_rz : Deadband for z-axis rotation
/// - topic is the name of the topic on which joystick messages are
/// published.
class SpaceNav
{
/// \brief Constructor.
public: SpaceNav();
/// \brief Destructor.
public: virtual ~SpaceNav();
/// \brief Open the space navigator interface, and start polling.
/// \return True if the space navigator was successfully opened, or
/// when the space navigator 3rd party library is not installed.
/// False otherwise.
public: bool Load();
/// \brief Method executed in a separate thread to poll the space
/// navigator for updates.
private: void Run();
/// \brief Apply deadband calculation to a raw joystick value.
/// \param[in] _deadband Deadband value, between 0 and 1.
/// \param[in] _value Joystick value, between 0 and 1.
/// \return Result of deadband calculation.
private: double Deadband(double _deadband, double _value) const;
/// \brief Private data.
private: SpaceNavPrivate *dataPtr;
};
}
}
#endif