/*- * Public platform independent Near Field Communication (NFC) library * * Copyright (C) 2009, Roel Verdult * Copyright (C) 2010, Romuald Conty * * This program is free software: you can redistribute it and/or modify it * under the terms of the GNU Lesser General Public License as published by the * Free Software Foundation, either version 3 of the License, or (at your * option) any later version. * * This program is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for * more details. * * You should have received a copy of the GNU Lesser General Public License * along with this program. If not, see */ /** * @file nfc.h * @brief libnfc interface * * Provide all usefull functions (API) to handle NFC devices. */ #ifndef _LIBNFC_H_ # define _LIBNFC_H_ # include # include # include # ifdef _WIN32 /* Windows platform */ # ifndef _WINDLL /* CMake compilation */ # ifdef nfc_EXPORTS # define NFC_EXPORT __declspec(dllexport) # else /* nfc_EXPORTS */ # define NFC_EXPORT __declspec(dllimport) # endif /* nfc_EXPORTS */ # else /* _WINDLL */ /* Manual makefile */ # define NFC_EXPORT # endif /* _WINDLL */ # else /* _WIN32 */ # define NFC_EXPORT # endif /* _WIN32 */ # include # ifdef __cplusplus extern "C" { # endif // __cplusplus /* NFC Device/Hardware manipulation */ NFC_EXPORT bool nfc_get_default_device (nfc_connstring *connstring); NFC_EXPORT nfc_device *nfc_connect (const nfc_connstring connstring); NFC_EXPORT void nfc_disconnect (nfc_device *pnd); NFC_EXPORT bool nfc_abort_command (nfc_device *pnd); NFC_EXPORT void nfc_list_devices (nfc_connstring connstrings[], size_t connstrings_len, size_t *pszDeviceFound); NFC_EXPORT bool nfc_idle (nfc_device *pnd); /* NFC initiator: act as "reader" */ NFC_EXPORT int nfc_initiator_init (nfc_device *pnd); NFC_EXPORT bool nfc_initiator_select_passive_target (nfc_device *pnd, const nfc_modulation nm, const uint8_t *pbtInitData, const size_t szInitData, nfc_target *pnt); NFC_EXPORT int nfc_initiator_list_passive_targets (nfc_device *pnd, const nfc_modulation nm, nfc_target ant[], const size_t szTargets); NFC_EXPORT bool nfc_initiator_poll_target (nfc_device *pnd, const nfc_modulation *pnmTargetTypes, const size_t szTargetTypes, const uint8_t uiPollNr, const uint8_t uiPeriod, nfc_target *pnt); NFC_EXPORT bool nfc_initiator_select_dep_target (nfc_device *pnd, const nfc_dep_mode ndm, const nfc_baud_rate nbr, const nfc_dep_info *pndiInitiator, nfc_target *pnt, const int timeout); NFC_EXPORT bool nfc_initiator_deselect_target (nfc_device *pnd); NFC_EXPORT bool nfc_initiator_transceive_bytes (nfc_device *pnd, const uint8_t *pbtTx, const size_t szTx, uint8_t *pbtRx, size_t *pszRx, int timeout); NFC_EXPORT bool nfc_initiator_transceive_bits (nfc_device *pnd, const uint8_t *pbtTx, const size_t szTxBits, const uint8_t *pbtTxPar, uint8_t *pbtRx, size_t *pszRxBits, uint8_t *pbtRxPar); NFC_EXPORT bool nfc_initiator_transceive_bytes_timed (nfc_device *pnd, const uint8_t *pbtTx, const size_t szTx, uint8_t *pbtRx, size_t *pszRx, uint32_t *cycles); NFC_EXPORT bool nfc_initiator_transceive_bits_timed (nfc_device *pnd, const uint8_t *pbtTx, const size_t szTxBits, const uint8_t *pbtTxPar, uint8_t *pbtRx, size_t *pszRxBits, uint8_t *pbtRxPar, uint32_t *cycles); /* NFC target: act as tag (i.e. MIFARE Classic) or NFC target device. */ NFC_EXPORT bool nfc_target_init (nfc_device *pnd, nfc_target *pnt, uint8_t *pbtRx, size_t *pszRx); NFC_EXPORT bool nfc_target_send_bytes (nfc_device *pnd, const uint8_t *pbtTx, const size_t szTx, int timeout); NFC_EXPORT bool nfc_target_receive_bytes (nfc_device *pnd, uint8_t *pbtRx, size_t *pszRx, int timeout); NFC_EXPORT bool nfc_target_send_bits (nfc_device *pnd, const uint8_t *pbtTx, const size_t szTxBits, const uint8_t *pbtTxPar); NFC_EXPORT bool nfc_target_receive_bits (nfc_device *pnd, uint8_t *pbtRx, size_t *pszRxBits, uint8_t *pbtRxPar); /* Error reporting */ NFC_EXPORT const char *nfc_strerror (const nfc_device *pnd); NFC_EXPORT int nfc_strerror_r (const nfc_device *pnd, char *pcStrErrBuf, size_t szBufLen); NFC_EXPORT void nfc_perror (const nfc_device *pnd, const char *pcString); /* Special data accessors */ NFC_EXPORT const char *nfc_device_name (nfc_device *pnd); /* Properties accessors */ NFC_EXPORT int nfc_device_set_property_int (nfc_device *pnd, const nfc_property property, const int value); NFC_EXPORT int nfc_device_set_property_bool (nfc_device *pnd, const nfc_property property, const bool bEnable); /* Misc. functions */ NFC_EXPORT void iso14443a_crc (uint8_t *pbtData, size_t szLen, uint8_t *pbtCrc); NFC_EXPORT void iso14443a_crc_append (uint8_t *pbtData, size_t szLen); NFC_EXPORT uint8_t *iso14443a_locate_historical_bytes (uint8_t *pbtAts, size_t szAts, size_t *pszTk); NFC_EXPORT const char *nfc_version (void); /* Error codes */ #define NFC_SUCCESS 0 // No error #define NFC_EIO -1 // Input / output error, device will not be usable anymore #define NFC_ENOTSUP -2 // Operation not supported #define NFC_EINVARG -3 // Invalid argument(s) #define NFC_DEVICE_ERROR -4 //Device error /* PN53x specific errors */ // TODO: Be not PN53x-specific here #define ETIMEOUT 0x01 #define ECRC 0x02 #define EPARITY 0x03 #define EBITCOUNT 0x04 #define EFRAMING 0x05 #define EBITCOLL 0x06 #define ESMALLBUF 0x07 #define EBUFOVF 0x09 #define ERFTIMEOUT 0x0a #define ERFPROTO 0x0b #define EOVHEAT 0x0d #define EINBUFOVF 0x0e #define EINVPARAM 0x10 #define EDEPUNKCMD 0x12 #define EINVRXFRAM 0x13 #define EMFAUTH 0x14 #define ENSECNOTSUPP 0x18 // PN533 only #define EBCC 0x23 #define EDEPINVSTATE 0x25 #define EOPNOTALL 0x26 #define ECMD 0x27 #define ETGREL 0x29 #define ECID 0x2a #define ECDISCARDED 0x2b #define ENFCID3 0x2c #define EOVCURRENT 0x2d #define ENAD 0x2e /* PN53x framing-level errors */ #define EFRAACKMISMATCH 0x0100 /* Unexpected data */ #define EFRAISERRFRAME 0x0101 /* Error frame */ /* Communication-level errors */ #define ECOMIO 0x1000 /* Input/output error */ #define ECOMTIMEOUT 0x1001 /* Operation timeout */ /* Software level errors */ #define ETGUIDNOTSUP 0xFF00 /* Target UID not supported */ #define EOPABORT 0xFF01 /* Operation aborted */ #define EINVALARG 0xFF02 /* Invalid argument */ #define EDEVNOTSUP 0xFF03 /* Not supported by device */ #define ENOTIMPL 0xFF04 /* Not (yet) implemented in libnfc */ # ifdef __cplusplus } # endif // __cplusplus #endif // _LIBNFC_H_