**Hello,I am trying to follow the Dynamixel motor tutorials. I receive and error when trying to run the command
roslaunch my_dynamixel_tutorial start_controller.launch.**
self.diagnostics_pub = rospy.Publisher('/diagnostics', DiagnosticArray)
[INFO] [WallTime: 1440579977.825270] pan_tilt_port: Pinging motor IDs 1 through 25...
[ERROR] [WallTime: 1440579979.830732] Exception thrown while getting attributes for motor 1 - 360
[ERROR] [WallTime: 1440579979.839960] Exception thrown while getting attributes for motor 1 - 360
[ERROR] [WallTime: 1440579979.849312] Exception thrown while getting attributes for motor 1 - 360
[ERROR] [WallTime: 1440579979.858010] Exception thrown while getting attributes for motor 1 - 360
[ERROR] [WallTime: 1440579979.866353] Exception thrown while getting attributes for motor 1 - 360
[INFO] [WallTime: 1440579979.868803] pan_tilt_port: Found 0 motors , initialization complete.
/opt/ros/indigo/lib/dynamixel_controllers/controller_manager.py:126: SyntaxWarning: The publisher should be created with an explicit keyword argument 'queue_size'. Please see http://wiki.ros.org/rospy/Overview/Publishers%20and%20Subscribers for more information.
self.diagnostics_pub = rospy.Publisher('/diagnostics', DiagnosticArray)
**I have the correct baud rate set for the motor as well as the correct motor IDs,and when i try to launch
roslaunch my_dynamixel_tutorial controller_manager.launch.
i got errors**
[INFO] [WallTime: 1440580069.779623] pan_tilt_port controller_spawner: waiting for controller_manager dxl_manager to startup in global namespace...
[INFO] [WallTime: 1440580069.786608] pan_tilt_port controller_spawner: All services are up, spawning controllers...
[ERROR] [WallTime: 1440580069.824340] Initialization failed. Unable to start controller tilt_controller
[tilt_controller_spawner-1] process has finished cleanly
log file: /home/hamdi/.ros/log/af511446-4bd1-11e5-bd86-f4b7e2f346af/tilt_controller_spawner-1*.log
all processes on machine have died, roslaunch will exit
shutting down processing monitor...
... shutting down processing monitor complete
done
**Also, a Warning states showed up in the terminal where i had open the start_controller.launch file**
[WARN] [WallTime: 1440580069.822682] The specified motor id is not connected and responding.
[WARN] [WallTime: 1440580069.823288] Available ids: []
[WARN] [WallTime: 1440580069.823701] Specified id: 1
↧