FUNC_SEND_WAIT_SEM( ) , where is the library for it ?

[666hjk]

Hi,

https://github.com/espressif/esp-idf/bl ... through.md

Run thru the above example, can't find explanation or library on this function >> FUNC_SEND_WAIT_SEM()

search also on https://docs.espressif.com/projects/esp ... ertos.html

where can i find the library for it? pls advise. thanks