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- /**************************************************************************/
- /*!
- @file Adafruit_PN532.h
- @author Adafruit Industries
- @license BSD (see license.txt)
- This is a library for the Adafruit PN532 NFC/RFID breakout boards
- This library works with the Adafruit NFC breakout
- ----> https://www.adafruit.com/products/364
- Check out the links above for our tutorials and wiring diagrams
- These chips use SPI or I2C to communicate.
- Adafruit invests time and resources providing this open source code,
- please support Adafruit and open-source hardware by purchasing
- products from Adafruit!
- @section HISTORY
- v2.0 - Refactored to add I2C support from Adafruit_NFCShield_I2C library.
- v1.1 - Added full command list
- - Added 'verbose' mode flag to constructor to toggle debug output
- - Changed readPassiveTargetID() to return variable length values
- */
- /**************************************************************************/
- #ifndef ADAFRUIT_PN532_H
- #define ADAFRUIT_PN532_H
- #if ARDUINO >= 100
- #include "Arduino.h"
- #else
- #include "WProgram.h"
- #endif
- #define PN532_PREAMBLE (0x00)
- #define PN532_STARTCODE1 (0x00)
- #define PN532_STARTCODE2 (0xFF)
- #define PN532_POSTAMBLE (0x00)
- #define PN532_HOSTTOPN532 (0xD4)
- #define PN532_PN532TOHOST (0xD5)
- // PN532 Commands
- #define PN532_COMMAND_DIAGNOSE (0x00)
- #define PN532_COMMAND_GETFIRMWAREVERSION (0x02)
- #define PN532_COMMAND_GETGENERALSTATUS (0x04)
- #define PN532_COMMAND_READREGISTER (0x06)
- #define PN532_COMMAND_WRITEREGISTER (0x08)
- #define PN532_COMMAND_READGPIO (0x0C)
- #define PN532_COMMAND_WRITEGPIO (0x0E)
- #define PN532_COMMAND_SETSERIALBAUDRATE (0x10)
- #define PN532_COMMAND_SETPARAMETERS (0x12)
- #define PN532_COMMAND_SAMCONFIGURATION (0x14)
- #define PN532_COMMAND_POWERDOWN (0x16)
- #define PN532_COMMAND_RFCONFIGURATION (0x32)
- #define PN532_COMMAND_RFREGULATIONTEST (0x58)
- #define PN532_COMMAND_INJUMPFORDEP (0x56)
- #define PN532_COMMAND_INJUMPFORPSL (0x46)
- #define PN532_COMMAND_INLISTPASSIVETARGET (0x4A)
- #define PN532_COMMAND_INATR (0x50)
- #define PN532_COMMAND_INPSL (0x4E)
- #define PN532_COMMAND_INDATAEXCHANGE (0x40)
- #define PN532_COMMAND_INCOMMUNICATETHRU (0x42)
- #define PN532_COMMAND_INDESELECT (0x44)
- #define PN532_COMMAND_INRELEASE (0x52)
- #define PN532_COMMAND_INSELECT (0x54)
- #define PN532_COMMAND_INAUTOPOLL (0x60)
- #define PN532_COMMAND_TGINITASTARGET (0x8C)
- #define PN532_COMMAND_TGSETGENERALBYTES (0x92)
- #define PN532_COMMAND_TGGETDATA (0x86)
- #define PN532_COMMAND_TGSETDATA (0x8E)
- #define PN532_COMMAND_TGSETMETADATA (0x94)
- #define PN532_COMMAND_TGGETINITIATORCOMMAND (0x88)
- #define PN532_COMMAND_TGRESPONSETOINITIATOR (0x90)
- #define PN532_COMMAND_TGGETTARGETSTATUS (0x8A)
- #define PN532_RESPONSE_INDATAEXCHANGE (0x41)
- #define PN532_RESPONSE_INLISTPASSIVETARGET (0x4B)
- #define PN532_WAKEUP (0x55)
- #define PN532_SPI_STATREAD (0x02)
- #define PN532_SPI_DATAWRITE (0x01)
- #define PN532_SPI_DATAREAD (0x03)
- #define PN532_SPI_READY (0x01)
- #define PN532_I2C_ADDRESS (0x48 >> 1)
- #define PN532_I2C_READBIT (0x01)
- #define PN532_I2C_BUSY (0x00)
- #define PN532_I2C_READY (0x01)
- #define PN532_I2C_READYTIMEOUT (20)
- #define PN532_MIFARE_ISO14443A (0x00)
- // Mifare Commands
- #define MIFARE_CMD_AUTH_A (0x60)
- #define MIFARE_CMD_AUTH_B (0x61)
- #define MIFARE_CMD_READ (0x30)
- #define MIFARE_CMD_WRITE (0xA0)
- #define MIFARE_CMD_TRANSFER (0xB0)
- #define MIFARE_CMD_DECREMENT (0xC0)
- #define MIFARE_CMD_INCREMENT (0xC1)
- #define MIFARE_CMD_STORE (0xC2)
- #define MIFARE_ULTRALIGHT_CMD_WRITE (0xA2)
- // Prefixes for NDEF Records (to identify record type)
- #define NDEF_URIPREFIX_NONE (0x00)
- #define NDEF_URIPREFIX_HTTP_WWWDOT (0x01)
- #define NDEF_URIPREFIX_HTTPS_WWWDOT (0x02)
- #define NDEF_URIPREFIX_HTTP (0x03)
- #define NDEF_URIPREFIX_HTTPS (0x04)
- #define NDEF_URIPREFIX_TEL (0x05)
- #define NDEF_URIPREFIX_MAILTO (0x06)
- #define NDEF_URIPREFIX_FTP_ANONAT (0x07)
- #define NDEF_URIPREFIX_FTP_FTPDOT (0x08)
- #define NDEF_URIPREFIX_FTPS (0x09)
- #define NDEF_URIPREFIX_SFTP (0x0A)
- #define NDEF_URIPREFIX_SMB (0x0B)
- #define NDEF_URIPREFIX_NFS (0x0C)
- #define NDEF_URIPREFIX_FTP (0x0D)
- #define NDEF_URIPREFIX_DAV (0x0E)
- #define NDEF_URIPREFIX_NEWS (0x0F)
- #define NDEF_URIPREFIX_TELNET (0x10)
- #define NDEF_URIPREFIX_IMAP (0x11)
- #define NDEF_URIPREFIX_RTSP (0x12)
- #define NDEF_URIPREFIX_URN (0x13)
- #define NDEF_URIPREFIX_POP (0x14)
- #define NDEF_URIPREFIX_SIP (0x15)
- #define NDEF_URIPREFIX_SIPS (0x16)
- #define NDEF_URIPREFIX_TFTP (0x17)
- #define NDEF_URIPREFIX_BTSPP (0x18)
- #define NDEF_URIPREFIX_BTL2CAP (0x19)
- #define NDEF_URIPREFIX_BTGOEP (0x1A)
- #define NDEF_URIPREFIX_TCPOBEX (0x1B)
- #define NDEF_URIPREFIX_IRDAOBEX (0x1C)
- #define NDEF_URIPREFIX_FILE (0x1D)
- #define NDEF_URIPREFIX_URN_EPC_ID (0x1E)
- #define NDEF_URIPREFIX_URN_EPC_TAG (0x1F)
- #define NDEF_URIPREFIX_URN_EPC_PAT (0x20)
- #define NDEF_URIPREFIX_URN_EPC_RAW (0x21)
- #define NDEF_URIPREFIX_URN_EPC (0x22)
- #define NDEF_URIPREFIX_URN_NFC (0x23)
- #define PN532_GPIO_VALIDATIONBIT (0x80)
- #define PN532_GPIO_P30 (0)
- #define PN532_GPIO_P31 (1)
- #define PN532_GPIO_P32 (2)
- #define PN532_GPIO_P33 (3)
- #define PN532_GPIO_P34 (4)
- #define PN532_GPIO_P35 (5)
- class Adafruit_PN532{
- public:
- Adafruit_PN532(uint8_t clk, uint8_t miso, uint8_t mosi, uint8_t ss); // Software SPI
- Adafruit_PN532(uint8_t irq, uint8_t reset); // Hardware I2C
- Adafruit_PN532(uint8_t ss); // Hardware SPI
- void begin(void);
- // Generic PN532 functions
- bool SAMConfig(void);
- uint32_t getFirmwareVersion(void);
- bool sendCommandCheckAck(uint8_t *cmd, uint8_t cmdlen, uint16_t timeout = 1000);
- bool writeGPIO(uint8_t pinstate);
- uint8_t readGPIO(void);
- bool setPassiveActivationRetries(uint8_t maxRetries);
- // ISO14443A functions
- bool readPassiveTargetID(uint8_t cardbaudrate, uint8_t * uid, uint8_t * uidLength, uint16_t timeout = 0); //timeout 0 means no timeout - will block forever.
- bool inDataExchange(uint8_t * send, uint8_t sendLength, uint8_t * response, uint8_t * responseLength);
- bool inListPassiveTarget();
- // Mifare Classic functions
- bool mifareclassic_IsFirstBlock (uint32_t uiBlock);
- bool mifareclassic_IsTrailerBlock (uint32_t uiBlock);
- uint8_t mifareclassic_AuthenticateBlock (uint8_t * uid, uint8_t uidLen, uint32_t blockNumber, uint8_t keyNumber, uint8_t * keyData);
- uint8_t mifareclassic_ReadDataBlock (uint8_t blockNumber, uint8_t * data);
- uint8_t mifareclassic_WriteDataBlock (uint8_t blockNumber, uint8_t * data);
- uint8_t mifareclassic_FormatNDEF (void);
- uint8_t mifareclassic_WriteNDEFURI (uint8_t sectorNumber, uint8_t uriIdentifier, const char * url);
- // Mifare Ultralight functions
- uint8_t mifareultralight_ReadPage (uint8_t page, uint8_t * buffer);
- uint8_t mifareultralight_WritePage (uint8_t page, uint8_t * data);
- // NTAG2xx functions
- uint8_t ntag2xx_ReadPage (uint8_t page, uint8_t * buffer);
- uint8_t ntag2xx_WritePage (uint8_t page, uint8_t * data);
- uint8_t ntag2xx_WriteNDEFURI (uint8_t uriIdentifier, char * url, uint8_t dataLen);
- // Help functions to display formatted text
- static void PrintHex(const byte * data, const uint32_t numBytes);
- static void PrintHexChar(const byte * pbtData, const uint32_t numBytes);
- private:
- uint8_t _ss, _clk, _mosi, _miso;
- uint8_t _irq, _reset;
- uint8_t _uid[7]; // ISO14443A uid
- uint8_t _uidLen; // uid len
- uint8_t _key[6]; // Mifare Classic key
- uint8_t _inListedTag; // Tg number of inlisted tag.
- bool _usingSPI; // True if using SPI, false if using I2C.
- bool _hardwareSPI; // True is using hardware SPI, false if using software SPI.
- // Low level communication functions that handle both SPI and I2C.
- void readdata(uint8_t* buff, uint8_t n);
- void writecommand(uint8_t* cmd, uint8_t cmdlen);
- bool isready();
- bool waitready(uint16_t timeout);
- bool readack();
- // SPI-specific functions.
- void spi_write(uint8_t c);
- uint8_t spi_read(void);
- // Note there are i2c_read and i2c_write inline functions defined in the .cpp file.
- };
- #endif
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