Implemented get version service (#695)

Add a service to get the polyscope version.

ur_robot_driver/include/ur_robot_driver/hardware_interface.h

@@ -54,6 +54,7 @@
 #include <ur_msgs/SetIO.h>
 #include <ur_msgs/SetSpeedSliderFraction.h>
 #include <ur_msgs/SetPayload.h>
+#include <ur_msgs/GetRobotSoftwareVersion.h>
 
 #include <cartesian_interface/cartesian_command_interface.h>
 #include <cartesian_interface/cartesian_state_handle.h>
@@ -215,6 +216,8 @@ class HardwareInterface : public hardware_interface::RobotHW
   void commandCallback(const std_msgs::StringConstPtr& msg);
   bool setPayload(ur_msgs::SetPayloadRequest& req, ur_msgs::SetPayloadResponse& res);
   bool activateSplineInterpolation(std_srvs::SetBoolRequest& req, std_srvs::SetBoolResponse& res);
+  bool getRobotSoftwareVersion(ur_msgs::GetRobotSoftwareVersionRequest& req,
+                               ur_msgs::GetRobotSoftwareVersionResponse& res);
 
   std::unique_ptr<urcl::UrDriver> ur_driver_;
   std::unique_ptr<DashboardClientROS> dashboard_client_;
@@ -239,6 +242,7 @@ class HardwareInterface : public hardware_interface::RobotHW
   ros::ServiceServer tare_sensor_srv_;
   ros::ServiceServer set_payload_srv_;
   ros::ServiceServer activate_spline_interpolation_srv_;
+  ros::ServiceServer get_robot_software_version_srv;
 
   hardware_interface::JointStateInterface js_interface_;
   scaled_controllers::ScaledPositionJointInterface spj_interface_;

ur_robot_driver/src/hardware_interface.cpp

@@ -460,6 +460,10 @@ bool HardwareInterface::init(ros::NodeHandle& root_nh, ros::NodeHandle& robot_hw
   activate_spline_interpolation_srv_ = robot_hw_nh.advertiseService(
       "activate_spline_interpolation", &HardwareInterface::activateSplineInterpolation, this);
 
+  // Calling this service will return the software version of the robot.
+  get_robot_software_version_srv =
+      robot_hw_nh.advertiseService("get_robot_software_version", &HardwareInterface::getRobotSoftwareVersion, this);
+
   ur_driver_->startRTDECommunication();
   ROS_INFO_STREAM_NAMED("hardware_interface", "Loaded ur_robot_driver hardware_interface");
 
@@ -1175,6 +1179,17 @@ bool HardwareInterface::setPayload(ur_msgs::SetPayloadRequest& req, ur_msgs::Set
   return true;
 }
 
+bool HardwareInterface::getRobotSoftwareVersion(ur_msgs::GetRobotSoftwareVersionRequest& req,
+                                                ur_msgs::GetRobotSoftwareVersionResponse& res)
+{
+  urcl::VersionInformation version_info = this->ur_driver_->getVersion();
+  res.major = version_info.major;
+  res.minor = version_info.minor;
+  res.bugfix = version_info.bugfix;
+  res.build = version_info.build;
+  return true;
+}
+
 void HardwareInterface::commandCallback(const std_msgs::StringConstPtr& msg)
 {
   std::string str = msg->data;

ur_robot_driver/test/integration_test.py

@@ -15,7 +15,7 @@
 from std_srvs.srv import Trigger, TriggerRequest
 import tf
 from trajectory_msgs.msg import JointTrajectoryPoint
-from ur_msgs.srv import SetIO, SetIORequest
+from ur_msgs.srv import SetIO, SetIORequest, GetRobotSoftwareVersion
 from ur_msgs.msg import IOStates
 
 from cartesian_control_msgs.msg import (
@@ -120,6 +120,14 @@ def init_robot(self):
                 "actually running in headless mode."
                 " Msg: {}".format(err))
 
+        self.get_robot_software_version = rospy.ServiceProxy("ur_hardware_interface/get_robot_software_version", GetRobotSoftwareVersion)
+        try:
+            self.get_robot_software_version.wait_for_service(timeout)
+        except rospy.exceptions.ROSException as err:
+            self.fail(
+                "Could not reach 'get version' service. Make sure that the driver is actually running."
+                " Msg: {}".format(err))
+
         self.script_publisher = rospy.Publisher("/ur_hardware_interface/script_command", std_msgs.msg.String, queue_size=1)
         self.tf_listener = tf.TransformListener()
         self.twist_pub = rospy.Publisher("/twist_controller/command", geometry_msgs.msg.Twist, queue_size=1)