/**************************************************************************/ /*! @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 to communicate, 4 required to interface Adafruit invests time and resources providing this open source code, please support Adafruit and open-source hardware by purchasing products from Adafruit! @section HISTORY v1.1 - Added full command list - Added 'verbose' mode flag to constructor to toggle debug output - Changed readPassiveTargetID() to return variable length values */ /**************************************************************************/ #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) // 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_WAKEUP (0x55) #define PN532_SPI_STATREAD (0x02) #define PN532_SPI_DATAWRITE (0x01) #define PN532_SPI_DATAREAD (0x03) #define PN532_SPI_READY (0x01) #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) // 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 cs, uint8_t clk, uint8_t mosi, uint8_t miso); void begin(void); // Generic PN532 functions boolean SAMConfig(void); uint32_t getFirmwareVersion(void); boolean sendCommandCheckAck(uint8_t *cmd, uint8_t cmdlen, uint16_t timeout = 1000); boolean writeGPIO(uint8_t pinstate); uint8_t readGPIO(void); // ISO14443A functions boolean readPassiveTargetID(uint8_t cardbaudrate, uint8_t * uid, uint8_t * uidLength); // 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); // 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 _uid[7]; // ISO14443A uid uint8_t _uidLen; // uid len uint8_t _key[6]; // Mifare Classic key boolean spi_readack(); uint8_t readspistatus(void); void readspidata(uint8_t* buff, uint8_t n); void spiwritecommand(uint8_t* cmd, uint8_t cmdlen); void spiwrite(uint8_t c); uint8_t spiread(void); };