Error in code generation using ROS Toolbox: "Code generation information file does not exist. "

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Salvatore Matteo Mennea
评论： Jagadeesh Konakalla 2023-5-25
I'm trying to build a simulink model through code generation and then deploy it on ROS2 as a node, but I have this error:
Top model targets built:
Model Action Rebuild Reason
===============================================================================
ControlUAVUsingROS2 Failed Code generation information file does not exist.
0 of 1 models built (0 models already up to date)
Build duration: 0h 5m 59.943s
No matching files named '/home/matteo/Documents/src/lib/libcudnn.so' were found.
How can I fix this problem?
  2 个评论
Jagadeesh Konakalla
Jagadeesh Konakalla 2023-5-24
Hi,
From the error messages it looks like you are trying to generated CUDA ROS node from Simulink model.
Please follow the below link for setting up your environement.
Generate CUDA ROS Node from Simulink - MATLAB & Simulink - MathWorks India
If you share your Simulink model, i can take a look at it.
Thanks,
Jagadeesh K.
Salvatore Matteo Mennea
Salvatore Matteo Mennea 2023-5-24
Hi, thank you for your help. I'm trying to run this simulink demo https://it.mathworks.com/help/uav/ug/control-simulated-uav-using-ros2-px4-bridge.html#ControlASimulatedUAVUsingROS2AndPX4BridgeExample-3. So I want to convert the simulink file in c++ code to be run in Offboard mode on PX4 firmware as a ROS2 node. I'm getting familiar with this toolbox and I'm trying to learn how it works.
The aim is to create a custum controller on simulink for a quadcopter and then through code generation, simulate it on Gazebe with ROS2 as a node.

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采纳的回答

Jagadeesh Konakalla
Hi,
In the Simulink model configuration, the check box for the Generate GPU code is selected. Can you generate the code by unseleting this checkbox. This needs to be enabled when you are deploying the code to NVIDIA hardware.
You can find the Option here : Model configuration-> Code generation-> Generate GPU Code.
Let me know if this works for you or not.
Thanks,
Jagadeesh K.
  2 个评论
Salvatore Matteo Mennea
Salvatore Matteo Mennea 2023-5-25
Thank you, I succeeded in building the code. Do you know how can I do to run it as a ROS2 node in a workplace? I'm trying to control a UAV in offboard mode on PX4.
Jagadeesh Konakalla
Jagadeesh Konakalla 2023-5-25
To run the generatd node as is, you can use the Build, Load and Run option with proper settings in the Remote Device details in the Simulink model. Please take alook the following example.
https://www.mathworks.com/help/ros/ug/generate-a-standalone-ros2-node-from-simulink.html

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