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Results tagged with ros2
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user 36685
Use this tag for questions related to ROS (Robot Operating System) version 2.
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Accepted
Can't subscribe and check the content on micro-ROS
I solved it myself.
The reason why it couldn't subscribe and check the content was that ROS_DOMAIN_ID was set.
After I set ROS_DOMAIN_ID back to 0, it become able to subscribe and check the content. I …
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1
answer
445
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Cannot locate rosdep definition, error on micro-ROS
However, when executing the command ros2 run micro_ros_setup create_firmware_ws.sh freertos esp32, I get the following error:
ERROR: the following packages/stacks could not have their rosdep keys resolved … Update ROS 2 dependencies. rosdep update
Install System Packages, which ROS2 packages or stacks depend on. rosdep install --from-paths /path/to/your/ros2/workspace --ignore-src --rosdistro <your_ros_distro …
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0
votes
1
answer
157
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Can't subscribe and check the content on micro-ROS
I'm trying to set up micro-ROS on Ubuntu 22.04 following the steps on this website, and connect ESP32 to ROS2. … (When executing the command ros2 topic list, I can't see an additional topic /freertos_int32_publisher.)
Is there any solution? …
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0
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1
answer
307
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E: Unable to locate package ros-humble-tf-transformations
ROS2 version: humble
I tried to install the library with sudo apt install ros-humble-tf-transformations and sudo pip3 install transforms3d to use tf_transformations module in ROS2. … Done
E: Unable to locate package ros-humble-tf-transformations
The ROS2 version is correct in Humble. Is there a solution? Thank you. …
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0
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0
answers
20
views
How to subscribe Joy topic with micro-ROS on ESP32
I'm writing a micro-ROS subscriber for the sensor_msgs/msg/Joy message type, running on an ESP32 board.
I'm trying to display characters on the serial monitor of the Arduino IDE in response to the Dua …
- 5