LEER TAG
Dependents: NFC_HTM_READ EMULAR_TAGS Escribir_tag NFC_HTM_READ-WRITE
emulatetag.h
- Committer:
- mauroar211
- Date:
- 2015-04-24
- Revision:
- 0:b805b487fbef
File content as of revision 0:b805b487fbef:
/**************************************************************************/ /*! @file emulatetag.h @author Armin Wieser @license BSD Implemented using NFC forum documents & library of libnfc */ /**************************************************************************/ #ifndef __EMULATETAG_H__ #define __EMULATETAG_H__ #include "PN532.h" #define NDEF_MAX_LENGTH 128 // altough ndef can handle up to 0xfffe in size, arduino cannot. typedef enum {COMMAND_COMPLETE, TAG_NOT_FOUND, FUNCTION_NOT_SUPPORTED, MEMORY_FAILURE, END_OF_FILE_BEFORE_REACHED_LE_BYTES} responseCommand; class EmulateTag{ public: EmulateTag(PN532Interface &interface) : pn532(interface), uidPtr(0), tagWrittenByInitiator(false) { } bool init(); bool emulate(const uint16_t tgInitAsTargetTimeout = 0); /* * @param uid pointer to byte array of length 3 (uid is 4 bytes - first byte is fixed) or zero for uid */ void setUid(uint8_t* uid = 0); void setNdefFile(const uint8_t* ndef, const int16_t ndefLength); void getContent(uint8_t** buf, uint16_t* length){ *buf = ndef_file + 2; // first 2 bytes = length *length = (ndef_file[1] << 8) + ndef_file[0]; } bool writeOccured(){ return tagWrittenByInitiator; } private: PN532 pn532; uint8_t ndef_file[NDEF_MAX_LENGTH]; uint8_t* uidPtr; void setResponse(responseCommand cmd, uint8_t* buf, uint8_t* sendlen, uint8_t sendlenOffset =0); bool tagWrittenByInitiator; }; #endif