Obbart/universal_robots_ros_driver
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Code Releases Activity

added a publisher for the tcp pose

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This commit is contained in:
Felix Mauch
2019-06-13 13:47:56 +02:00
committed by Tristan Schnell
parent c3d92dcde5
commit c714af16ff
2 changed files with 28 additions and 0 deletions
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11
ur_rtde_driver/include/ur_rtde_driver/ros/hardware_interface.h
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@@ -33,6 +33,7 @@
#include <hardware_interface/joint_state_interface.h>
#include <algorithm>
#include <std_msgs/Bool.h>
#include <realtime_tools/realtime_publisher.h>
#include "tf2_msgs/TFMessage.h"
#include <tf2_geometry_msgs/tf2_geometry_msgs.h>
@@ -85,6 +86,14 @@ protected:
* \param timestamp Timestamp of read data
*/
void extractToolPose(const ros::Time& timestamp);
/*!
* \brief Publishes the tool pose to the tf system
*
* Requires extractToolPose() to be run first.
*/
void publishPose();
std::unique_ptr<UrDriver> ur_driver_;
hardware_interface::JointStateInterface js_interface_;
@@ -109,6 +118,8 @@ protected:
double speed_scaling_combined_;
std::vector<std::string> joint_names_;
std::unique_ptr<realtime_tools::RealtimePublisher<tf2_msgs::TFMessage>> tcp_pose_pub_;
uint32_t runtime_state_;
bool position_controller_running_;

17
ur_rtde_driver/src/ros/hardware_interface.cpp
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@@ -181,6 +181,8 @@ bool HardwareInterface ::init(ros::NodeHandle& root_nh, ros::NodeHandle& robot_h
registerInterface(&speedsc_interface_);
registerInterface(&fts_interface_);
tcp_pose_pub_.reset(new realtime_tools::RealtimePublisher<tf2_msgs::TFMessage>(root_nh, "/tf", 100));
ROS_INFO_STREAM_NAMED("hardware_interface", "Loaded ur_rtde_driver hardware_interface");
return true;
@@ -230,6 +232,7 @@ void HardwareInterface ::read(const ros::Time& time, const ros::Duration& period
// Transform fts measurements to tool frame
extractToolPose(time);
transformForceTorque();
publishPose();
// pausing state follows runtime state when pausing
if (runtime_state_ == static_cast<uint32_t>(rtde_interface::RUNTIME_STATE::PAUSED))
@@ -376,4 +379,18 @@ void HardwareInterface ::extractToolPose(const ros::Time& timestamp)
tcp_transform_.transform.rotation = tf2::toMsg(rotation);
}
void HardwareInterface ::publishPose()
{
if (tcp_pose_pub_)
{
if (tcp_pose_pub_->trylock())
{
tcp_pose_pub_->msg_.transforms.clear();
tcp_pose_pub_->msg_.transforms.push_back(tcp_transform_);
tcp_pose_pub_->unlockAndPublish();
}
}
}
} // namespace ur_driver