Re: [ros-users] Basic navigation for pioneer robot using p2o…

Have you enabled the motors? The motors need to be enabled before the
robot will drive. By default the motors are disabled. There should be
a white button either on the side or top that will enable the motors.

-Dave

On Sun, Jul 18, 2010 at 11:21 PM, nitinDhiman <nitinkdhiman@gmail.com> wrote:
>
> Hi Vinay,
> I am also trying to setup pioneer 3dx base. I have boxturtle installed using
> Ubuntu debs released on 18th June.
> It is connected to serial port. As a nettwork setting, I am configuring base
> station and pioneer both on local host
>
> Following steps mentioned in tutorial
> http://www.ros.org/wiki/p2os/Tutorials/Getting%20Started%20with%20p2os and
> after successful compilation, following variables are set.
>
> export ROS_MASTER_URI=http://localhost:11311
> export ROS_MASTER_IP=127.0.0.1
>
>
> I am getting following errors on pr2os_dashboard run:
>
> nitin@tangri:/opt/ros/boxturtle$ rosrun p2os_dashboard p2os_dashboard
> Traceback (most recent call last):
>  File
> "/opt/ros/boxturtle/openCodes/usc-ros-pkg/p2os/p2os_dashboard/scripts/p2os_dashboard",
> line 50, in <module>
>    import p2os_dashboard
>  File
> "/opt/ros/boxturtle/openCodes/usc-ros-pkg/p2os/p2os_dashboard/src/p2os_dashboard/__init__.py",
> line 1, in <module>
>    from p2os_frame import *
>  File
> "/opt/ros/boxturtle/openCodes/usc-ros-pkg/p2os/p2os_dashboard/src/p2os_dashboard/p2os_frame.py",
> line 58, in <module>
>    import rxtools.cppwidgets as rxtools
>  File "/opt/ros/boxturtle/ros/tools/rxtools/src/rxtools/cppwidgets.py",
> line 34, in <module>
>    from rxtoolscpp import *
>  File "/opt/ros/boxturtle/ros/tools/rxtools/lib/rxtoolscpp.py", line 83, in
> <module>
>    _rxtoolscpp.RosoutFilter_swigregister(RosoutFilter)
> SystemError: UnpackTuple() argument list is not a tuple
>
> I am able to communicate with 3dx using pr2os_driver which gives following
> output:
> nitin@tangri:/opt/ros/boxturtle$ rosrun p2os_driver p2os
> [ INFO] 1279520026.304227000: using serial port: [/dev/ttyS0]
> [ INFO] 1279520026.329203000: P2OS connection opening serial port
> /dev/ttyS0...
> [ INFO] 1279520026.729487000: SYNC0
> [ INFO] 1279520026.929602000: turning off NONBLOCK mode...
> [ INFO] 1279520027.129719000: SYNC1
> [ INFO] 1279520027.529957000: SYNC2
> [ INFO] 1279520028.130194000: Done.
>   Connected to robotics_3655, a Pioneer p3dx-sh
> [ INFO] 1279520030.531586000: resetting raw positions
> [ WARN] 1279520083.660301000: Turn rate demand threshholded!
> [ WARN] 1279520083.960596000: Turn rate demand threshholded!
> [ WARN] 1279520084.859870000: Turn rate demand threshholded!
> [ WARN] 1279520085.459867000: Turn rate demand threshholded!
> [ WARN] 1279520085.859866000: Turn rate demand threshholded!
> [ WARN] 1279520086.159867000: Turn rate demand threshholded!
> [ WARN] 1279520088.959880000: Turn rate demand threshholded!
>
> I am not able to move pioneer using following command:
> nitin@tangri:/opt/ros/boxturtle/openCodes/usc-ros-pkg/p2os$  rosrun
> teleop_base teleop_base_keyboard base_controller/command:=cmd_vel
>
> It asks for turn rate and speed demand thresholding. Is it normal?  Or it is
> caused by absence of dashboarded process.
>
> thanks & regards
> nitin
>
> --
> View this message in context: http://ros-users.122217.n3.nabble.com/Re-Basic-navigation-for-pioneer-robot-using-p2os-tp971765p977779.html
> Sent from the ROS-Users mailing list archive at Nabble.com.
>
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