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src/Adafruit_PN532.h
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src/Adafruit_PN532.h
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/**************************************************************************/
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/*!
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@file Adafruit_PN532.h
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v2.0 - Refactored to add I2C support from Adafruit_NFCShield_I2C library.
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v1.1 - Added full command list
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- Added 'verbose' mode flag to constructor to toggle debug output
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- Changed readPassiveTargetID() to return variable length values
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*/
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/**************************************************************************/
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#ifndef ADAFRUIT_PN532_H
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#define ADAFRUIT_PN532_H
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#include "Arduino.h"
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#include <Adafruit_I2CDevice.h>
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#include <Adafruit_SPIDevice.h>
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#define PN532_PREAMBLE (0x00) ///< Command sequence start, byte 1/3
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#define PN532_STARTCODE1 (0x00) ///< Command sequence start, byte 2/3
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#define PN532_STARTCODE2 (0xFF) ///< Command sequence start, byte 3/3
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#define PN532_POSTAMBLE (0x00) ///< EOD
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#define PN532_HOSTTOPN532 (0xD4) ///< Host-to-PN532
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#define PN532_PN532TOHOST (0xD5) ///< PN532-to-host
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// PN532 Commands
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#define PN532_COMMAND_DIAGNOSE (0x00) ///< Diagnose
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#define PN532_COMMAND_GETFIRMWAREVERSION (0x02) ///< Get firmware version
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#define PN532_COMMAND_GETGENERALSTATUS (0x04) ///< Get general status
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#define PN532_COMMAND_READREGISTER (0x06) ///< Read register
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#define PN532_COMMAND_WRITEREGISTER (0x08) ///< Write register
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#define PN532_COMMAND_READGPIO (0x0C) ///< Read GPIO
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#define PN532_COMMAND_WRITEGPIO (0x0E) ///< Write GPIO
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#define PN532_COMMAND_SETSERIALBAUDRATE (0x10) ///< Set serial baud rate
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#define PN532_COMMAND_SETPARAMETERS (0x12) ///< Set parameters
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#define PN532_COMMAND_SAMCONFIGURATION (0x14) ///< SAM configuration
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#define PN532_COMMAND_POWERDOWN (0x16) ///< Power down
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#define PN532_COMMAND_RFCONFIGURATION (0x32) ///< RF config
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#define PN532_COMMAND_RFREGULATIONTEST (0x58) ///< RF regulation test
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#define PN532_COMMAND_INJUMPFORDEP (0x56) ///< Jump for DEP
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#define PN532_COMMAND_INJUMPFORPSL (0x46) ///< Jump for PSL
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#define PN532_COMMAND_INLISTPASSIVETARGET (0x4A) ///< List passive target
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#define PN532_COMMAND_INATR (0x50) ///< ATR
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#define PN532_COMMAND_INPSL (0x4E) ///< PSL
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#define PN532_COMMAND_INDATAEXCHANGE (0x40) ///< Data exchange
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#define PN532_COMMAND_INCOMMUNICATETHRU (0x42) ///< Communicate through
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#define PN532_COMMAND_INDESELECT (0x44) ///< Deselect
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#define PN532_COMMAND_INRELEASE (0x52) ///< Release
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#define PN532_COMMAND_INSELECT (0x54) ///< Select
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#define PN532_COMMAND_INAUTOPOLL (0x60) ///< Auto poll
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#define PN532_COMMAND_TGINITASTARGET (0x8C) ///< Init as target
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#define PN532_COMMAND_TGSETGENERALBYTES (0x92) ///< Set general bytes
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#define PN532_COMMAND_TGGETDATA (0x86) ///< Get data
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#define PN532_COMMAND_TGSETDATA (0x8E) ///< Set data
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#define PN532_COMMAND_TGSETMETADATA (0x94) ///< Set metadata
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#define PN532_COMMAND_TGGETINITIATORCOMMAND (0x88) ///< Get initiator command
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#define PN532_COMMAND_TGRESPONSETOINITIATOR (0x90) ///< Response to initiator
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#define PN532_COMMAND_TGGETTARGETSTATUS (0x8A) ///< Get target status
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#define PN532_RESPONSE_INDATAEXCHANGE (0x41) ///< Data exchange
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#define PN532_RESPONSE_INLISTPASSIVETARGET (0x4B) ///< List passive target
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#define PN532_WAKEUP (0x55) ///< Wake
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#define PN532_SPI_STATREAD (0x02) ///< Stat read
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#define PN532_SPI_DATAWRITE (0x01) ///< Data write
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#define PN532_SPI_DATAREAD (0x03) ///< Data read
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#define PN532_SPI_READY (0x01) ///< Ready
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#define PN532_I2C_ADDRESS (0x48 >> 1) ///< Default I2C address
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#define PN532_I2C_READBIT (0x01) ///< Read bit
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#define PN532_I2C_BUSY (0x00) ///< Busy
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#define PN532_I2C_READY (0x01) ///< Ready
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#define PN532_I2C_READYTIMEOUT (20) ///< Ready timeout
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#define PN532_MIFARE_ISO14443A (0x00) ///< MiFare
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// Mifare Commands
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#define MIFARE_CMD_AUTH_A (0x60) ///< Auth A
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#define MIFARE_CMD_AUTH_B (0x61) ///< Auth B
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#define MIFARE_CMD_READ (0x30) ///< Read
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#define MIFARE_CMD_WRITE (0xA0) ///< Write
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#define MIFARE_CMD_TRANSFER (0xB0) ///< Transfer
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#define MIFARE_CMD_DECREMENT (0xC0) ///< Decrement
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#define MIFARE_CMD_INCREMENT (0xC1) ///< Increment
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#define MIFARE_CMD_STORE (0xC2) ///< Store
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#define MIFARE_ULTRALIGHT_CMD_WRITE (0xA2) ///< Write (MiFare Ultralight)
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// Prefixes for NDEF Records (to identify record type)
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#define NDEF_URIPREFIX_NONE (0x00) ///< No prefix
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#define NDEF_URIPREFIX_HTTP_WWWDOT (0x01) ///< HTTP www. prefix
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#define NDEF_URIPREFIX_HTTPS_WWWDOT (0x02) ///< HTTPS www. prefix
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#define NDEF_URIPREFIX_HTTP (0x03) ///< HTTP prefix
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#define NDEF_URIPREFIX_HTTPS (0x04) ///< HTTPS prefix
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#define NDEF_URIPREFIX_TEL (0x05) ///< Tel prefix
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#define NDEF_URIPREFIX_MAILTO (0x06) ///< Mailto prefix
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#define NDEF_URIPREFIX_FTP_ANONAT (0x07) ///< FTP
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#define NDEF_URIPREFIX_FTP_FTPDOT (0x08) ///< FTP dot
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#define NDEF_URIPREFIX_FTPS (0x09) ///< FTPS
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#define NDEF_URIPREFIX_SFTP (0x0A) ///< SFTP
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#define NDEF_URIPREFIX_SMB (0x0B) ///< SMB
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#define NDEF_URIPREFIX_NFS (0x0C) ///< NFS
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#define NDEF_URIPREFIX_FTP (0x0D) ///< FTP
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#define NDEF_URIPREFIX_DAV (0x0E) ///< DAV
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#define NDEF_URIPREFIX_NEWS (0x0F) ///< NEWS
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#define NDEF_URIPREFIX_TELNET (0x10) ///< Telnet prefix
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#define NDEF_URIPREFIX_IMAP (0x11) ///< IMAP prefix
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#define NDEF_URIPREFIX_RTSP (0x12) ///< RTSP
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#define NDEF_URIPREFIX_URN (0x13) ///< URN
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#define NDEF_URIPREFIX_POP (0x14) ///< POP
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#define NDEF_URIPREFIX_SIP (0x15) ///< SIP
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#define NDEF_URIPREFIX_SIPS (0x16) ///< SIPS
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#define NDEF_URIPREFIX_TFTP (0x17) ///< TFPT
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#define NDEF_URIPREFIX_BTSPP (0x18) ///< BTSPP
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#define NDEF_URIPREFIX_BTL2CAP (0x19) ///< BTL2CAP
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#define NDEF_URIPREFIX_BTGOEP (0x1A) ///< BTGOEP
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#define NDEF_URIPREFIX_TCPOBEX (0x1B) ///< TCPOBEX
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#define NDEF_URIPREFIX_IRDAOBEX (0x1C) ///< IRDAOBEX
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#define NDEF_URIPREFIX_FILE (0x1D) ///< File
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#define NDEF_URIPREFIX_URN_EPC_ID (0x1E) ///< URN EPC ID
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#define NDEF_URIPREFIX_URN_EPC_TAG (0x1F) ///< URN EPC tag
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#define NDEF_URIPREFIX_URN_EPC_PAT (0x20) ///< URN EPC pat
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#define NDEF_URIPREFIX_URN_EPC_RAW (0x21) ///< URN EPC raw
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#define NDEF_URIPREFIX_URN_EPC (0x22) ///< URN EPC
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#define NDEF_URIPREFIX_URN_NFC (0x23) ///< URN NFC
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#define PN532_GPIO_VALIDATIONBIT (0x80) ///< GPIO validation bit
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#define PN532_GPIO_P30 (0) ///< GPIO 30
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#define PN532_GPIO_P31 (1) ///< GPIO 31
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#define PN532_GPIO_P32 (2) ///< GPIO 32
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#define PN532_GPIO_P33 (3) ///< GPIO 33
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#define PN532_GPIO_P34 (4) ///< GPIO 34
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#define PN532_GPIO_P35 (5) ///< GPIO 35
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/**
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* @brief Class for working with Adafruit PN532 NFC/RFID breakout boards.
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*/
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class Adafruit_PN532 {
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public:
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Adafruit_PN532(uint8_t clk, uint8_t miso, uint8_t mosi,
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uint8_t ss); // Software SPI
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Adafruit_PN532(uint8_t ss, SPIClass *theSPI = &SPI); // Hardware SPI
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Adafruit_PN532(uint8_t irq, uint8_t reset,
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TwoWire *theWire = &Wire); // Hardware I2C
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Adafruit_PN532(uint8_t reset, HardwareSerial *theSer); // Hardware UART
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bool begin(void);
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void reset(void);
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void wakeup(void);
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// Generic PN532 functions
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bool SAMConfig(void);
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uint32_t getFirmwareVersion(void);
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bool sendCommandCheckAck(uint8_t *cmd, uint8_t cmdlen,
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uint16_t timeout = 100);
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bool writeGPIO(uint8_t pinstate);
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uint8_t readGPIO(void);
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bool setPassiveActivationRetries(uint8_t maxRetries);
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// ISO14443A functions
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bool readPassiveTargetID(
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uint8_t cardbaudrate, uint8_t *uid, uint8_t *uidLength,
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uint16_t timeout = 0); // timeout 0 means no timeout - will block forever.
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bool startPassiveTargetIDDetection(uint8_t cardbaudrate);
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bool readDetectedPassiveTargetID(uint8_t *uid, uint8_t *uidLength);
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bool inDataExchange(uint8_t *send, uint8_t sendLength, uint8_t *response,
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uint8_t *responseLength);
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bool inListPassiveTarget();
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uint8_t AsTarget();
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uint8_t getDataTarget(uint8_t *cmd, uint8_t *cmdlen);
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uint8_t setDataTarget(uint8_t *cmd, uint8_t cmdlen);
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// Mifare Classic functions
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bool mifareclassic_IsFirstBlock(uint32_t uiBlock);
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bool mifareclassic_IsTrailerBlock(uint32_t uiBlock);
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uint8_t mifareclassic_AuthenticateBlock(uint8_t *uid, uint8_t uidLen,
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uint32_t blockNumber,
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uint8_t keyNumber, uint8_t *keyData);
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uint8_t mifareclassic_ReadDataBlock(uint8_t blockNumber, uint8_t *data);
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uint8_t mifareclassic_WriteDataBlock(uint8_t blockNumber, uint8_t *data);
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uint8_t mifareclassic_FormatNDEF(void);
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uint8_t mifareclassic_WriteNDEFURI(uint8_t sectorNumber,
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uint8_t uriIdentifier, const char *url);
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// Mifare Ultralight functions
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uint8_t mifareultralight_ReadPage(uint8_t page, uint8_t *buffer);
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uint8_t mifareultralight_WritePage(uint8_t page, uint8_t *data);
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// NTAG2xx functions
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uint8_t ntag2xx_ReadPage(uint8_t page, uint8_t *buffer);
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uint8_t ntag2xx_WritePage(uint8_t page, uint8_t *data);
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uint8_t ntag2xx_WriteNDEFURI(uint8_t uriIdentifier, char *url,
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uint8_t dataLen);
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// Help functions to display formatted text
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static void PrintHex(const byte *data, const uint32_t numBytes);
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static void PrintHexChar(const byte *pbtData, const uint32_t numBytes);
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private:
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int8_t _irq = -1, _reset = -1, _cs = -1;
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int8_t _uid[7]; // ISO14443A uid
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int8_t _uidLen; // uid len
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int8_t _key[6]; // Mifare Classic key
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int8_t _inListedTag; // Tg number of inlisted tag.
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// Low level communication functions that handle both SPI and I2C.
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void readdata(uint8_t *buff, uint8_t n);
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void writecommand(uint8_t *cmd, uint8_t cmdlen);
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bool isready();
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bool waitready(uint16_t timeout);
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bool readack();
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Adafruit_SPIDevice *spi_dev = NULL;
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Adafruit_I2CDevice *i2c_dev = NULL;
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HardwareSerial *ser_dev = NULL;
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};
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#endif
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