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#ifndef NFC_H
#define NFC_H
/* PN532 NFC Reader from Adafruit */
#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_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)
// 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)
#define PN532_PACKBUFFSIZ 64
#define PN532_TIMEOUT 1000
typedef struct {
unsigned char IC;
unsigned char Ver;
unsigned char Rev;
unsigned char Support;
} NFC_FIRMWARE_VERSION;
typedef struct {
unsigned char TG;
unsigned char SENS_RES[2];
unsigned char SEL_RES;
unsigned char NFCID_LEN;
unsigned char NFCID[7];
} NFC_TargetDataMiFare;
// Size can be 9 or 12 bytes
typedef struct __NFC_DATA {
unsigned char packetbuffer[PN532_PACKBUFFSIZ];
} NFC_DATA;
void NFC_Init(void);
// Generic PN532 functions
unsigned char NFC_SAMConfig(void);
NFC_FIRMWARE_VERSION NFC_getFirmwareVersion(void);
unsigned char NFC_sendCommandCheckAck(unsigned char *cmd, unsigned char cmdlen);
//unsigned char NFC_writeGPIO(unsigned char pinstate);
//unsigned char NFC_readGPIO(void);
// ISO14443A functions
unsigned char NFC_readPassiveTargetID(NFC_TargetDataMiFare *uidData);
unsigned char NFC_pollTargets(unsigned char number, unsigned char period, NFC_TargetDataMiFare *uidData);
// Mifare Classic functions
unsigned char NFC_mifareclassic_IsFirstBlock(unsigned long uiBlock);
unsigned char NFC_mifareclassic_IsTrailerBlock(unsigned long uiBlock);
unsigned char NFC_mifareclassic_AuthenticateBlock(unsigned char *uid, unsigned char uidLen, unsigned long blockNumber, unsigned char keyNumber, unsigned char *keyData);
unsigned char NFC_mifareclassic_ReadDataBlock(unsigned char blockNumber, unsigned char *data);
unsigned char NFC_mifareclassic_WriteDataBlock(unsigned char blockNumber, unsigned char *data);
unsigned char NFC_mifareclassic_FormatNDEF(void);
unsigned char NFC_mifareclassic_WriteNDEFURI(unsigned char sectorNumber, unsigned char uriIdentifier, const char * url);
// Mifare Ultralight functions
//unsigned char NFC_mifareultralight_ReadPage(unsigned char page, unsigned char * buffer);
// Low level SPI functions
unsigned char NFC_I2C_Read_ACK(void);
unsigned char NFC_I2C_Read_Status(void);
void NFC_I2C_Read_Data(unsigned char *buffer, unsigned char length);
void NFC_I2C_Write_Cmd(unsigned char *cmd, unsigned char cmdlen);
#endif