Arduino simulink blocks anounce "???"

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Do Thanh Trung
Do Thanh Trung 2017-11-22
回答： Shreshth 2024-8-28
Hi. I have troubles with Simulink Arduino Hardware library. Things are I messed some example models and decided to reinstall Arduino Hardware. But after that I took the same blocks - which had worked fine before - announced "???". The error window said that "S-funtion block doesnt exist". I have reinstalled it many times but it doesnt work. Has anyone experienced this before ? Please help

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回答（1 个）

Shreshth
Shreshth 2024-8-28
Hey,
To resolve the "S-function block doesn't exist" error in Simulink with the Arduino Hardware library, try these steps:
  1. Reset MATLAB Path: Use restoredefaultpath; rehash toolboxcache in the Command Window.
  2. Reinstall Arduino Package: Uninstall and then reinstall the Arduino Support Package via the MATLAB Add-Ons menu.
  3. Check for Duplicates: Ensure there are no multiple installations of the package.
  4. Verify Block References: Ensure the S-function block is correctly referenced in your model.
  5. Check Compatibility: Confirm your MATLAB and Simulink versions are compatible with the Arduino package.
  6. Update Software: Make sure MATLAB, Simulink, and the Arduino package are up to date.
  7. Consult MATLAB Resources: Look for solutions on MATLAB Central or contact MathWorks support if needed.
These steps should help resolve the issue.

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