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Interbotix / interbotix_ros_arms

ROS packages for the InterbotiX X-series family of robotic arms and turrets
BSD 2-Clause "Simplified" License
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Problem using PS3 and PS4: joy_robot_control.py dies #6

Closed robert-ros closed 4 years ago

robert-ros commented 4 years ago

Hello again!

I’m testing interbotix_joy_control package . My setup is:

When I launch the package interbotix_joy_control using PS3 or PS4 controller, the script joy_robot_control.py dies.

With PS3:

roslaunch interbotix_joy_control joy_control.launch robot_name:=vx300 controller:=ps3

With PS4:

roslaunch interbotix_joy_control joy_control.launch robot_name:=vx300

In both cases I get the following error:

[vx300/joy_robot_control-8] process has died [pid 21275, exit code 1, cmd /home/robert/interbotix_ws/src/interbotix_ros_arms/interbotix_examples/interbotix_joy_control/scripts/joy_robot_control.py __name:=joy_robot_control __log:=/home/robert/.ros/log/9450da28-440b-11ea-8493-58fb84519d84/vx300-joy_robot_control-8.log].log file: /home/robert/.ros/log/9450da28-440b-11ea-8493-58fb84519d84/vx300-joy_robot_control-8*.log

joy_robot_control_dies

I have followed the steps indicated in the readme of the interbotix_joy_control package to connect the joystick.

I think that the connection is ok because I checked the state of the joystick buttons using jstest

jstest /dev/input/js0

Terminal shows:

joystick_terminal

Moreover I have checked the PS3 controller with ps3joy ROS package and it works.

Any suggestions mates?

swinterbotix commented 4 years ago

It looks like you haven't yet installed the Modern Robotics library that the joy_control package depends on. The instructions to do this step were outlined in the Quickstart section but essentially, you need to do the following in a terminal.

$ sudo apt install python-pip $ sudo pip install modern_robotics

And you should be good to go!

robert-ros commented 4 years ago

It works!

It was a problem with python in my machine . I installed the package when I started to work with the arm. Nevertheless I installed it using pip3 because with pip I got this error:

Traceback (most recent call last):
  File "/usr/bin/pip", line 9, in <module>
    from pip import main
ImportError: cannot import name main

For someone else with this problem, I just solved it by upgrading pip

pip install --user --upgrade pip

If I do:

sudo pip install modern_robotics

Now I can install it and interbotix_joy_control package works

Thank you :)