/*-
* Free/Libre Near Field Communication (NFC) library
*
* Libnfc historical contributors:
* Copyright (C) 2009 Roel Verdult
* Copyright (C) 2009-2013 Romuald Conty
* Copyright (C) 2010-2012 Romain Tartière
* Copyright (C) 2010-2013 Philippe Teuwen
* Copyright (C) 2012-2013 Ludovic Rousseau
* See AUTHORS file for a more comprehensive list of contributors.
* Additional contributors of this file:
* Copyright (C) 2020 Adam Laurie
*
* 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 pn53x.h
* @brief PN531, PN532 and PN533 common functions
*/
#ifndef __NFC_CHIPS_PN53X_H__
# define __NFC_CHIPS_PN53X_H__
# include
# include "pn53x-internal.h"
// Registers and symbols masks used to covers parts within a register
// PN53X_REG_CIU_TxMode
# define SYMBOL_TX_CRC_ENABLE 0x80
# define SYMBOL_TX_SPEED 0x70
// TX_FRAMING bits explanation:
// 00 : ISO/IEC 14443A/MIFARE and Passive Communication mode 106 kbit/s
// 01 : Active Communication mode
// 10 : FeliCa and Passive Communication mode at 212 kbit/s and 424 kbit/s
// 11 : ISO/IEC 14443B
# define SYMBOL_TX_FRAMING 0x03
// PN53X_REG_Control_switch_rng
# define SYMBOL_CURLIMOFF 0x08 /* When set to 1, the 100 mA current limitations is desactivated. */
# define SYMBOL_SIC_SWITCH_EN 0x10 /* When set to logic 1, the SVDD switch is enabled and the SVDD output delivers power to secure IC and internal pads (SIGIN, SIGOUT and P34). */
# define SYMBOL_RANDOM_DATAREADY 0x02 /* When set to logic 1, a new random number is available. */
// PN53X_REG_CIU_RxMode
# define SYMBOL_RX_CRC_ENABLE 0x80
# define SYMBOL_RX_SPEED 0x70
# define SYMBOL_RX_NO_ERROR 0x08
# define SYMBOL_RX_MULTIPLE 0x04
// RX_FRAMING follow same scheme than TX_FRAMING
# define SYMBOL_RX_FRAMING 0x03
// PN53X_REG_CIU_TxAuto
# define SYMBOL_FORCE_100_ASK 0x40
# define SYMBOL_AUTO_WAKE_UP 0x20
# define SYMBOL_INITIAL_RF_ON 0x04
// PN53X_REG_CIU_ManualRCV
# define SYMBOL_PARITY_DISABLE 0x10
// PN53X_REG_CIU_TMode
# define SYMBOL_TAUTO 0x80
# define SYMBOL_TPRESCALERHI 0x0F
// PN53X_REG_CIU_TPrescaler
# define SYMBOL_TPRESCALERLO 0xFF
// PN53X_REG_CIU_Command
# define SYMBOL_COMMAND 0x0F
# define SYMBOL_COMMAND_TRANSCEIVE 0xC
// PN53X_REG_CIU_Status2
# define SYMBOL_MF_CRYPTO1_ON 0x08
// PN53X_REG_CIU_FIFOLevel
# define SYMBOL_FLUSH_BUFFER 0x80
# define SYMBOL_FIFO_LEVEL 0x7F
// PN53X_REG_CIU_Control
# define SYMBOL_INITIATOR 0x10
# define SYMBOL_RX_LAST_BITS 0x07
// PN53X_REG_CIU_BitFraming
# define SYMBOL_START_SEND 0x80
# define SYMBOL_RX_ALIGN 0x70
# define SYMBOL_TX_LAST_BITS 0x07
// PN53X Support Byte flags
#define SUPPORT_ISO14443A 0x01
#define SUPPORT_ISO14443B 0x02
#define SUPPORT_ISO18092 0x04
// Internal parameters flags
# define PARAM_NONE 0x00
# define PARAM_NAD_USED 0x01
# define PARAM_DID_USED 0x02
# define PARAM_AUTO_ATR_RES 0x04
# define PARAM_AUTO_RATS 0x10
# define PARAM_14443_4_PICC 0x20 /* Only for PN532 */
# define PARAM_NFC_SECURE 0x20 /* Only for PN533 */
# define PARAM_NO_AMBLE 0x40 /* Only for PN532 */
// Radio Field Configure Items // Configuration Data length
# define RFCI_FIELD 0x01 // 1
# define RFCI_TIMING 0x02 // 3
# define RFCI_RETRY_DATA 0x04 // 1
# define RFCI_RETRY_SELECT 0x05 // 3
# define RFCI_ANALOG_TYPE_A_106 0x0A // 11
# define RFCI_ANALOG_TYPE_A_212_424 0x0B // 8
# define RFCI_ANALOG_TYPE_B 0x0C // 3
# define RFCI_ANALOG_TYPE_14443_4 0x0D // 9
/**
* @enum pn53x_power_mode
* @brief PN53x power mode enumeration
*/
typedef enum {
NORMAL, // In that case, there is no power saved but the PN53x reacts as fast as possible on the host controller interface.
POWERDOWN, // Only on PN532, need to be wake up to process commands with a long preamble
LOWVBAT // Only on PN532, need to be wake up to process commands with a long preamble and SAMConfiguration command
} pn53x_power_mode;
/**
* @enum pn53x_operating_mode
* @brief PN53x operatin mode enumeration
*/
typedef enum {
IDLE,
INITIATOR,
TARGET,
} pn53x_operating_mode;
/**
* @enum pn532_sam_mode
* @brief PN532 SAM mode enumeration
*/
typedef enum {
PSM_NORMAL = 0x01,
PSM_VIRTUAL_CARD = 0x02,
PSM_WIRED_CARD = 0x03,
PSM_DUAL_CARD = 0x04
} pn532_sam_mode;
/**
* @internal
* @struct pn53x_io
* @brief PN53x I/O structure
*/
struct pn53x_io {
int (*send)(struct nfc_device *pnd, const uint8_t *pbtData, const size_t szData, int timeout);
int (*receive)(struct nfc_device *pnd, uint8_t *pbtData, const size_t szDataLen, int timeout);
};
/* defines */
#define PN53X_CACHE_REGISTER_MIN_ADDRESS PN53X_REG_CIU_Mode
#define PN53X_CACHE_REGISTER_MAX_ADDRESS PN53X_REG_CIU_Coll
#define PN53X_CACHE_REGISTER_SIZE ((PN53X_CACHE_REGISTER_MAX_ADDRESS - PN53X_CACHE_REGISTER_MIN_ADDRESS) + 1)
/**
* @internal
* @struct pn53x_data
* @brief PN53x data structure
*/
struct pn53x_data {
/** Chip type (PN531, PN532 or PN533) */
pn53x_type type;
/** Chip firmware text */
char firmware_text[22];
/** Current power mode */
pn53x_power_mode power_mode;
/** Current operating mode */
pn53x_operating_mode operating_mode;
/** Current emulated target */
nfc_target *current_target;
/** Current sam mode (only applicable for PN532) */
pn532_sam_mode sam_mode;
/** PN53x I/O functions stored in struct */
const struct pn53x_io *io;
/** Last status byte returned by PN53x */
uint8_t last_status_byte;
/** Register cache for REG_CIU_BIT_FRAMING, SYMBOL_TX_LAST_BITS: The last TX bits setting, we need to reset this if it does not apply anymore */
uint8_t ui8TxBits;
/** Register cache for SetParameters function. */
uint8_t ui8Parameters;
/** Last sent command */
uint8_t last_command;
/** Interframe timer correction */
int16_t timer_correction;
/** Timer prescaler */
uint16_t timer_prescaler;
/** WriteBack cache */
uint8_t wb_data[PN53X_CACHE_REGISTER_SIZE];
uint8_t wb_mask[PN53X_CACHE_REGISTER_SIZE];
bool wb_trigged;
/** Command timeout */
int timeout_command;
/** ATR timeout */
int timeout_atr;
/** Communication timeout */
int timeout_communication;
/** Supported modulation type */
nfc_modulation_type *supported_modulation_as_initiator;
nfc_modulation_type *supported_modulation_as_target;
bool progressive_field;
};
#define CHIP_DATA(pnd) ((struct pn53x_data*)(pnd->chip_data))
/**
* @enum pn53x_modulation
* @brief NFC modulation enumeration
*/
typedef enum {
/** Undefined modulation */
PM_UNDEFINED = -1,
/** ISO14443-A (NXP MIFARE) http://en.wikipedia.org/wiki/MIFARE */
PM_ISO14443A_106 = 0x00,
/** JIS X 6319-4 (Sony Felica) http://en.wikipedia.org/wiki/FeliCa */
PM_FELICA_212 = 0x01,
/** JIS X 6319-4 (Sony Felica) http://en.wikipedia.org/wiki/FeliCa */
PM_FELICA_424 = 0x02,
/** ISO14443-B http://en.wikipedia.org/wiki/ISO/IEC_14443 (Not supported by PN531) */
PM_ISO14443B_106 = 0x03,
/** Jewel Topaz (Innovision Research & Development) (Not supported by PN531) */
PM_JEWEL_106 = 0x04,
/** Thinfilm NFC Barcode (Not supported by PN531) */
PM_BARCODE_106 = 0x05,
/** ISO14443-B http://en.wikipedia.org/wiki/ISO/IEC_14443 (Not supported by PN531 nor PN532) */
PM_ISO14443B_212 = 0x06,
/** ISO14443-B http://en.wikipedia.org/wiki/ISO/IEC_14443 (Not supported by PN531 nor PN532) */
PM_ISO14443B_424 = 0x07,
/** ISO14443-B http://en.wikipedia.org/wiki/ISO/IEC_14443 (Not supported by PN531 nor PN532) */
PM_ISO14443B_847 = 0x08,
} pn53x_modulation;
/**
* @enum pn53x_target_type
* @brief NFC target type enumeration
*/
typedef enum {
/** Undefined target type */
PTT_UNDEFINED = -1,
/** Generic passive 106 kbps (ISO/IEC14443-4A, mifare, DEP) */
PTT_GENERIC_PASSIVE_106 = 0x00,
/** Generic passive 212 kbps (FeliCa, DEP) */
PTT_GENERIC_PASSIVE_212 = 0x01,
/** Generic passive 424 kbps (FeliCa, DEP) */
PTT_GENERIC_PASSIVE_424 = 0x02,
/** Passive 106 kbps ISO/IEC14443-4B */
PTT_ISO14443_4B_106 = 0x03,
/** Innovision Jewel tag */
PTT_JEWEL_106 = 0x04,
/** Mifare card */
PTT_MIFARE = 0x10,
/** FeliCa 212 kbps card */
PTT_FELICA_212 = 0x11,
/** FeliCa 424 kbps card */
PTT_FELICA_424 = 0x12,
/** Passive 106 kbps ISO/IEC 14443-4A */
PTT_ISO14443_4A_106 = 0x20,
/** Passive 106 kbps ISO/IEC 14443-4B with TCL flag */
PTT_ISO14443_4B_TCL_106 = 0x23,
/** DEP passive 106 kbps */
PTT_DEP_PASSIVE_106 = 0x40,
/** DEP passive 212 kbps */
PTT_DEP_PASSIVE_212 = 0x41,
/** DEP passive 424 kbps */
PTT_DEP_PASSIVE_424 = 0x42,
/** DEP active 106 kbps */
PTT_DEP_ACTIVE_106 = 0x80,
/** DEP active 212 kbps */
PTT_DEP_ACTIVE_212 = 0x81,
/** DEP active 424 kbps */
PTT_DEP_ACTIVE_424 = 0x82,
} pn53x_target_type;
/**
* @enum pn53x_target_mode
* @brief PN53x target mode enumeration
*/
typedef enum {
/** Configure the PN53x to accept all initiator mode */
PTM_NORMAL = 0x00,
/** Configure the PN53x to accept to be initialized only in passive mode */
PTM_PASSIVE_ONLY = 0x01,
/** Configure the PN53x to accept to be initialized only as DEP target */
PTM_DEP_ONLY = 0x02,
/** Configure the PN532 to accept to be initialized only as ISO/IEC14443-4 PICC */
PTM_ISO14443_4_PICC_ONLY = 0x04
} pn53x_target_mode;
extern const uint8_t pn53x_ack_frame[PN53x_ACK_FRAME__LEN];
extern const uint8_t pn53x_nack_frame[PN53x_ACK_FRAME__LEN];
int pn53x_init(struct nfc_device *pnd);
int pn53x_transceive(struct nfc_device *pnd, const uint8_t *pbtTx, const size_t szTx, uint8_t *pbtRx, const size_t szRxLen, int timeout);
int pn53x_set_parameters(struct nfc_device *pnd, const uint8_t ui8Value, const bool bEnable);
int pn53x_set_tx_bits(struct nfc_device *pnd, const uint8_t ui8Bits);
int pn53x_wrap_frame(const uint8_t *pbtTx, const size_t szTxBits, const uint8_t *pbtTxPar, uint8_t *pbtFrame);
int pn53x_unwrap_frame(const uint8_t *pbtFrame, const size_t szFrameBits, uint8_t *pbtRx, uint8_t *pbtRxPar);
int pn53x_decode_target_data(const uint8_t *pbtRawData, size_t szRawData,
pn53x_type chip_type, nfc_modulation_type nmt,
nfc_target_info *pnti);
int pn53x_read_register(struct nfc_device *pnd, uint16_t ui16Reg, uint8_t *ui8Value);
int pn53x_write_register(struct nfc_device *pnd, uint16_t ui16Reg, uint8_t ui8SymbolMask, uint8_t ui8Value);
int pn53x_decode_firmware_version(struct nfc_device *pnd);
int pn53x_set_property_int(struct nfc_device *pnd, const nfc_property property, const int value);
int pn53x_set_property_bool(struct nfc_device *pnd, const nfc_property property, const bool bEnable);
int pn53x_check_communication(struct nfc_device *pnd);
int pn53x_idle(struct nfc_device *pnd);
// NFC device as Initiator functions
int pn53x_initiator_init(struct nfc_device *pnd);
void pn53x_initiator_init_iclass_modulation(struct nfc_device *pnd);
int pn532_initiator_init_secure_element(struct nfc_device *pnd);
int pn53x_initiator_select_passive_target(struct nfc_device *pnd,
const nfc_modulation nm,
const uint8_t *pbtInitData, const size_t szInitData,
nfc_target *pnt);
int pn53x_initiator_poll_target(struct nfc_device *pnd,
const nfc_modulation *pnmModulations, const size_t szModulations,
const uint8_t uiPollNr, const uint8_t uiPeriod,
nfc_target *pnt);
int pn53x_initiator_select_dep_target(struct nfc_device *pnd,
const nfc_dep_mode ndm, const nfc_baud_rate nbr,
const nfc_dep_info *pndiInitiator,
nfc_target *pnt,
const int timeout);
int pn53x_initiator_transceive_bits(struct nfc_device *pnd, const uint8_t *pbtTx, const size_t szTxBits,
const uint8_t *pbtTxPar, uint8_t *pbtRx, uint8_t *pbtRxPar);
int pn53x_initiator_transceive_bytes(struct nfc_device *pnd, const uint8_t *pbtTx, const size_t szTx,
uint8_t *pbtRx, const size_t szRx, int timeout);
int pn53x_initiator_transceive_bits_timed(struct nfc_device *pnd, const uint8_t *pbtTx, const size_t szTxBits,
const uint8_t *pbtTxPar, uint8_t *pbtRx, uint8_t *pbtRxPar, uint32_t *cycles);
int pn53x_initiator_transceive_bytes_timed(struct nfc_device *pnd, const uint8_t *pbtTx, const size_t szTx,
uint8_t *pbtRx, const size_t szRx, uint32_t *cycles);
int pn53x_initiator_deselect_target(struct nfc_device *pnd);
int pn53x_initiator_target_is_present(struct nfc_device *pnd, const nfc_target *pnt);
// NFC device as Target functions
int pn53x_target_init(struct nfc_device *pnd, nfc_target *pnt, uint8_t *pbtRx, const size_t szRxLen, int timeout);
int pn53x_target_receive_bits(struct nfc_device *pnd, uint8_t *pbtRx, const size_t szRxLen, uint8_t *pbtRxPar);
int pn53x_target_receive_bytes(struct nfc_device *pnd, uint8_t *pbtRx, const size_t szRxLen, int timeout);
int pn53x_target_send_bits(struct nfc_device *pnd, const uint8_t *pbtTx, const size_t szTxBits, const uint8_t *pbtTxPar);
int pn53x_target_send_bytes(struct nfc_device *pnd, const uint8_t *pbtTx, const size_t szTx, int timeout);
// Error handling functions
const char *pn53x_strerror(const struct nfc_device *pnd);
// C wrappers for PN53x commands
int pn53x_SetParameters(struct nfc_device *pnd, const uint8_t ui8Value);
int pn532_SAMConfiguration(struct nfc_device *pnd, const pn532_sam_mode mode, int timeout);
int pn53x_PowerDown(struct nfc_device *pnd);
int pn53x_InListPassiveTarget(struct nfc_device *pnd, const pn53x_modulation pmInitModulation,
const uint8_t szMaxTargets, const uint8_t *pbtInitiatorData,
const size_t szInitiatorDataLen, uint8_t *pbtTargetsData, size_t *pszTargetsData,
int timeout);
int pn53x_InDeselect(struct nfc_device *pnd, const uint8_t ui8Target);
int pn53x_InRelease(struct nfc_device *pnd, const uint8_t ui8Target);
int pn53x_InAutoPoll(struct nfc_device *pnd, const pn53x_target_type *ppttTargetTypes, const size_t szTargetTypes,
const uint8_t btPollNr, const uint8_t btPeriod, nfc_target *pntTargets,
const int timeout);
int pn53x_InJumpForDEP(struct nfc_device *pnd,
const nfc_dep_mode ndm, const nfc_baud_rate nbr,
const uint8_t *pbtPassiveInitiatorData,
const uint8_t *pbtNFCID3i,
const uint8_t *pbtGB, const size_t szGB,
nfc_target *pnt,
const int timeout);
int pn53x_TgInitAsTarget(struct nfc_device *pnd, pn53x_target_mode ptm,
const uint8_t *pbtMifareParams,
const uint8_t *pbtTkt, size_t szTkt,
const uint8_t *pbtFeliCaParams,
const uint8_t *pbtNFCID3t, const uint8_t *pbtGB, const size_t szGB,
uint8_t *pbtRx, const size_t szRxLen, uint8_t *pbtModeByte, int timeout);
// RFConfiguration
int pn53x_RFConfiguration__RF_field(struct nfc_device *pnd, bool bEnable);
int pn53x_RFConfiguration__Various_timings(struct nfc_device *pnd, const uint8_t fATR_RES_Timeout, const uint8_t fRetryTimeout);
int pn53x_RFConfiguration__MaxRtyCOM(struct nfc_device *pnd, const uint8_t MaxRtyCOM);
int pn53x_RFConfiguration__MaxRetries(struct nfc_device *pnd, const uint8_t MxRtyATR, const uint8_t MxRtyPSL, const uint8_t MxRtyPassiveActivation);
// Misc
int pn53x_check_ack_frame(struct nfc_device *pnd, const uint8_t *pbtRxFrame, const size_t szRxFrameLen);
int pn53x_check_error_frame(struct nfc_device *pnd, const uint8_t *pbtRxFrame, const size_t szRxFrameLen);
int pn53x_build_frame(uint8_t *pbtFrame, size_t *pszFrame, const uint8_t *pbtData, const size_t szData);
int pn53x_get_supported_modulation(nfc_device *pnd, const nfc_mode mode, const nfc_modulation_type **const supported_mt);
int pn53x_get_supported_baud_rate(nfc_device *pnd, const nfc_mode mode, const nfc_modulation_type nmt, const nfc_baud_rate **const supported_br);
int pn53x_get_information_about(nfc_device *pnd, char **pbuf);
void *pn53x_data_new(struct nfc_device *pnd, const struct pn53x_io *io);
void pn53x_data_free(struct nfc_device *pnd);
#endif // __NFC_CHIPS_PN53X_H__