Hello :)

Which Dynamixel do you used?
If you used Dynamixel is controlled by protocol 1.0, you need to change some function in controller.
Please refer #10 issues

Thanks
Darby

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I used MX-106 motors and the protocol version of those is 2.0. And I updated all the motors.
Is there anything else I can do for solving this problem?

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Which number did you set ID to dynamixel?

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I have two motors. And I set the ID to one and two separately.

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Would you mind trying to connect Dynamixel by Dynamixel-workbench??

It is more convenient for debugging

Thanks
Darby

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This issue have been wanting a help from long time ago, but still no action is shown. I leave the question label, but want an understanding of closing this issue. We will reopen the issue if any actions occur.

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I have a similar error with XL-430 and OpenCR for open manipulator:

setting /run_id to 66eacd0a-578b-11e8-b675-60f677ef5434
process[rosout-1]: started with pid [4654]
started core service [/rosout]
process[dynamixel_controller-2]: started with pid [4663]
[PortHandlerLinux::SetupPort] Error opening serial port!
[PortHandlerLinux::SetupPort] Error opening serial port!
================================================================================REQUIRED process [dynamixel_controller-2] has died!
process has died [pid 4663, exit code -11, cmd /home/unver/catkin_ws/devel/lib/open_manipulator_dynamixel_ctrl/dynamixel_controller __name:=dynamixel_controller __log:=/home/unver/.ros/log/66eacd0a-578b-11e8-b675-60f677ef5434/dynamixel_controller-2.log].
log file: /home/unver/.ros/log/66eacd0a-578b-11e8-b675-60f677ef5434/dynamixel_controller-2*.log
Initiating shutdown!

[dynamixel_controller-2] killing on exit
[rosout-1] killing on exit
[master] killing on exit
shutting down processing monitor...
... shutting down processing monitor complete
done

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Hi :)

you have to give permission to open port. Please type below commands and relaunch it.

$ sudo chmod a+rw /dev/ttyUSB0

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You can search connected usb port in your laptop.
Please check it and try again.

$ ls /dev

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This issue will be closed since there were no actions for a while. You can reopen this issue to show this issue to the users whenever. Thanks.

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