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https://github.com/wpilibsuite/allwpilib
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29d029fa61
verified to work on real robots adds sim eclipse plugins, fixed JavaGazebo, made wpilibC++Sim build on windows - Java and C++ simulation robot programs run on windows - simulation eclipse plugin delivers models and gazebo plugins - Java Gazebo now respects GAZEBO_IP variables and can work across networks - hal and network tables win32 hacked to work on windows - smart dashboard broken on windows due to network tables hacks - wpilibC++Sim, gz_msgs, and frcsim_gazebo_plugins build with CMake - removed constexpr for cross platform compatibility - msgs generated using .protos as a part of build process - some spare and unused cmake/pom files deleted - simulation ubuntu debians removed entirely - refactored CMake project flags and macros - updated to match non-sim C++ API - fixed and updated documentation - servo added to simulation Change-Id: Ia702ff0f1fee10d77f543810ad88f56696443b05
86 lines
2.8 KiB
C++
86 lines
2.8 KiB
C++
#pragma once
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#include "simulation/gz_msgs/msgs.h"
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#include <gazebo/physics/physics.hh>
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#include <gazebo/transport/transport.hh>
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#include <gazebo/gazebo.hh>
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using namespace gazebo;
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/// \brief The axis about which to measure rotation.
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typedef enum {Roll /*X*/, Pitch /*Y*/, Yaw /*Z*/} ROTATION;
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/**
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* \brief Plugin for reading the speed and relative angle of a link.
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*
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* This plugin publishes the angle since last reset and the speed
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* which a link is rotating about some axis to subtopics of the given
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* topic every physics update. There is also a control topic that
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* takes one command: "reset", which sets the current angle as zero.
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*
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* To add a gyro to your robot, add the following XML to your robot
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* model:
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*
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* <plugin name="my_gyro" filename="libgz_gyro.so">
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* <link>Joint Name</link>
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* <topic>~/my/topic</topic>
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* <units>{degrees, radians}</units>
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* </plugin>
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*
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* - `link`: Name of the link this potentiometer is attached to.
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* - `topic`: Optional. Used as the root for subtopics. `topic`/position (gazebo.msgs.Float64),
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* `topic`/velocity (gazebo.msgs.Float64), `topic`/control (gazebo.msgs.String)
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* - `units`; Optional, defaults to radians.
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*/
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class Gyro: public ModelPlugin {
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public:
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Gyro();
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~Gyro();
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/// \brief Load the gyro and configures it according to the sdf.
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void Load(physics::ModelPtr model, sdf::ElementPtr sdf);
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/// \brief Sends out the gyro reading each timestep.
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void Update(const common::UpdateInfo &info);
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private:
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/// \brief Publish the angle on this topic.
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std::string topic;
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/// \brief Whether or not this gyro measures radians or degrees.
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bool radians;
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/// \brief The axis to measure rotation about.
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ROTATION axis;
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/// \brief The zero value of the gyro.
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double zero;
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/// \brief The link that this gyro measures
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physics::LinkPtr link;
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/// \brief Callback for handling control data
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void Callback(const msgs::ConstStringPtr &msg);
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/// \brief Gets the current angle, taking into account whether to
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/// return radians or degrees.
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double GetAngle();
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/// \brief Gets the current velocity, taking into account whether to
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/// return radians/second or degrees/second.
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double GetVelocity();
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/// \brief Limit the value to either [-180,180] or [-PI,PI]
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/// depending on whether or radians or degrees are being used.
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double Limit(double value);
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physics::ModelPtr model; ///< \brief The model that this is attached to.
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event::ConnectionPtr updateConn; ///< \brief Pointer to the world update function.
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transport::NodePtr node; ///< \brief The node we're advertising on.
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transport::SubscriberPtr command_sub; ///< \brief Subscriber handle.
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transport::PublisherPtr pos_pub, vel_pub; ///< \brief Publisher handles.
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};
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