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Error: User configuration file not found
815 3 2020-6-2
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kjhardrict
lvl.2

United States
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’m trying to get my initial DJI ROS workspace up and running using Ubuntu 18.04 and ROS Melodic. Everything compiles correctly in terms of cmake and catkin_make after changing some dependencies. However, I am having trouble running the node that the documentation is saying to run to see if the nodes are working. When I try to launch the node, I get the following output. It says the user configuration file is not found. Where is the code looking to find a user configuration file? Is this the UserConfig.txt file with the app ID and app key information? If so, where should I place this file within my ROS workspace?


kjhardrict@ubuntu:~/deuce_ws$ roslaunch dji_osdk_ros dji_sdk_node.launch
... logging to /home/kjhardrict/.ros/log/0d0b55f6-a519-11ea-8cff-000c2982f0af/roslaunch-ubuntu-17065.log
Checking log directory for disk usage. This may take a while.
Press Ctrl-C to interrupt
Done checking log file disk usage. Usage is <1GB.

started roslaunch server ubuntu:46423

SUMMARY
========

PARAMETERS
* /dji_sdk/acm_name: /dev/ttyACM0
* /dji_sdk/align_time: False
* /dji_sdk/app_id: 1089099
* /dji_sdk/app_version: 1
* /dji_sdk/baud_rate: 230400
* /dji_sdk/dxc: False
* /dji_sdk/enc_key: a263fdc78e88cca16...
* /dji_sdk/serial_name: /dev/ttyUSB0
* /dji_sdk/use_broadcast: False
* /rosdistro: melodic
* /rosversion: 1.14.5

NODES
  /
    dji_sdk (dji_osdk_ros/dji_sdk_node)

auto-starting new master
process[master]: started with pid [17075]
ROS_MASTER_URI=localhost:11311

setting /run_id to 0d0b55f6-a519-11ea-8cff-000c2982f0af
process[rosout-1]: started with pid [17086]
started core service [/rosout]
process[dji_sdk-2]: started with pid [17093]
[ INFO] [1591133760.758911741]: Advanced Sensing is Enabled on M210.
terminate called after throwing an instance of 'std::runtime_error'
  what():  User configuration file not found
[dji_sdk-2] process has died [pid 17093, exit code -6, cmd /home/kjhardrict/deuce_ws/devel/lib/dji_osdk_ros/dji_sdk_node __name:=dji_sdk __log:=/home/kjhardrict/.ros/log/0d0b55f6-a519-11ea-8cff-000c2982f0af/dji_sdk-2.log].
log file: /home/kjhardrict/.ros/log/0d0b55f6-a519-11ea-8cff-000c2982f0af/dji_sdk-2*.log
^X^C[rosout-1] killing on exit
[master] killing on exit
shutting down processing monitor...
... shutting down processing monitor complete
done

2020-6-2
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xiao long
lvl.3

South Africa
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The content and location of this configuration file are mentioned in the official documents.
https://developer.dji.com/onboar ... run-the-sample.html

Supplemental Information
Fill the onboard-sdk/sample/platform/linux/common/UserConfig.txt:
app_id:          //Developer ID
app_key:         //App Key
device:          //Serial port number
bauderate:       //Serial baud rate
acm_port:        //ACM port number

If you use the dji_sdk_node version 3.8.0, you need to place the UserConfig.txt which in the OSDK package to the specified path:
If you use the command rosrun, theUserConfig.txt file needs to be placed to the current running directory;
If you use the command roslaunch, theUserConfig.txt file needs to be placed to the /home/{user}/. Ros.
2020-6-3
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kjhardrict
lvl.2

United States
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xiao long Posted at 6-3 00:24
The content and location of this configuration file are mentioned in the official documents.
https://developer.dji.com/onboard-sdk/documentation/quickstart/run-the-sample.html

Hi, thank you for your reply. I am using OSDK 4.0.0 and have the UserConfig.txt file filled in and in the exact location you mentioned, but it still cannot seem to find it when I use roslaunch

*EDIT*

I still had to also place the UserCong.txt file in the .ros directory

2020-6-4
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xiao long
lvl.3

South Africa
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Try this command:
find ~/.ros -name "UserConfig.txt"  
cat ~/.ros/UserConfig.txt

In addition, the version recommended by DJI is Ubuntu 160.4 + ROS kinetic, Ubuntu 18.04 and ROS Melodic may have some incompatibility problems.
2020-6-5
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