External Library error "undefined reference to"

I manually placed the sw_codec folder inside the middleware as follows.

Then I included the folder with library.

but I'm get a error undefined reference to "error"

How to solved?

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mƎALLEmBest answer

ST Technical Moderator

Hello,

Not obvious from your description but there are two things to check:

- Include the .h file(s) in the .c file where you are calling these APIs.

- Check again the path to .h files. Check how it was done for other paths like the HAL driver.

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