Function flipper0::ffi::rfalNfcfPollerCheckPresence
source · pub unsafe extern "C" fn rfalNfcfPollerCheckPresence() -> u16
Expand description
\brief NFC-F Poller Check Presence
This function sends a Poll/SENSF command according to NFC Activity spec It detects if a NCF-F device is within range
\return ERR_WRONG_STATE : RFAL not initialized or incorrect mode \return ERR_PARAM : Invalid parameters \return ERR_IO : Generic internal error \return ERR_CRC : CRC error detected \return ERR_FRAMING : Framing error detected \return ERR_PROTO : Protocol error detected \return ERR_TIMEOUT : Timeout error, no listener device detected \return ERR_NONE : No error and some NFC-F device was detected