pub unsafe extern "C" fn rfalNfcaPollerCheckPresence(
    cmd: rfal14443AShortFrameCmd,
    sensRes: *mut rfalNfcaSensRes
) -> u16
Expand description

\brief NFC-A Poller Check Presence

This method checks if a NFC-A Listen device (PICC) is present on the field by sending an ALL_REQ (WUPA) or SENS_REQ (REQA)

\param[in] cmd : Indicate if to send an ALL_REQ or a SENS_REQ \param[out] sensRes : If received, the SENS_RES

\return ERR_WRONG_STATE : RFAL not initialized or incorrect mode \return ERR_PARAM : Invalid parameters \return ERR_IO : Generic internal error \return ERR_RF_COLLISION : Collision detected one or more device in the field \return ERR_PAR : Parity error detected, one or more device in the field \return ERR_CRC : CRC error detected, one or more device in the field \return ERR_FRAMING : Framing error detected, one or more device in the field \return ERR_PROTO : Protocol error detected, one or more device in the field \return ERR_TIMEOUT : Timeout error, no listener device detected \return ERR_NONE : No error, one or more device in the field