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Case ID: 290171

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segger embedded studio use mutex

user90457 over 4 years ago

Hi.

I am developing the nrf52832 seger embedded studio.

I tried to use mutex using nrf_mtx.h, but there was an error.

I don't know why this error is coming out. Help me.

(Also, I know the definition of the mutex function, but I don't know how to use it, can you explain how to use it if possible?)

Thank you

0 user14926 over 4 years ago

Hi,

I see you have declared test_mutex as "extern", did you implement the variable in another file? The extern keyword tells the compiler that the symbol is defined elsewhere, and allows you to access global variables from multiple source files.

See nRF Mutex for description of the library and APIs.

Best regards,
Jørgen
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