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what does this function sd_app_evt_wait do ?

I'm currently trying to make my application enter into sleep mode, after some search , I found that this function can be used to reduce the power while the chip is in the sleep mode. I don't know how this function make reduce the power on sleep mode.

Mohamed Osama

  • It's basically

    __wfe()
    

    with a few bits of additional softdevice code around it - but eventually - just __wfe()