dotnfc Tang / LibPN532

PN532 Driver library This library provides an abstract API to drive the pn532 nfc chip, with I2C/HSU/SPI interface. Its based on the Seeed Studio's Arduino version.

Dependents:   PN532_ReadUid Nfctest2

PN532/emulatetag.h@1:b5922b3b3257, 2016-09-13 (annotated)

Committer:
dotnfc
Date:
Tue Sep 13 06:17:35 2016 +0000
Revision:
1:b5922b3b3257
Parent:
0:db8030e71f55 
Remove ununsed files.

Who changed what in which revision?

UserRevisionLine numberNew contents of line
dotnfc 0:db8030e71f55 1 /**************************************************************************/
dotnfc 0:db8030e71f55 2 /*!
dotnfc 0:db8030e71f55 3 @file emulatetag.h
dotnfc 0:db8030e71f55 4 @author Armin Wieser
dotnfc 0:db8030e71f55 5 @license BSD
dotnfc 0:db8030e71f55 6
dotnfc 0:db8030e71f55 7 Implemented using NFC forum documents & library of libnfc
dotnfc 0:db8030e71f55 8 */
dotnfc 0:db8030e71f55 9 /**************************************************************************/
dotnfc 0:db8030e71f55 10
dotnfc 0:db8030e71f55 11 #ifndef __EMULATETAG_H__
dotnfc 0:db8030e71f55 12 #define __EMULATETAG_H__
dotnfc 0:db8030e71f55 13
dotnfc 0:db8030e71f55 14 #include "PN532.h"
dotnfc 0:db8030e71f55 15
dotnfc 0:db8030e71f55 16 #define NDEF_MAX_LENGTH 128 // altough ndef can handle up to 0xfffe in size, arduino cannot.
dotnfc 0:db8030e71f55 17 typedef enum {COMMAND_COMPLETE, TAG_NOT_FOUND, FUNCTION_NOT_SUPPORTED, MEMORY_FAILURE, END_OF_FILE_BEFORE_REACHED_LE_BYTES} responseCommand;
dotnfc 0:db8030e71f55 18
dotnfc 0:db8030e71f55 19 class EmulateTag{
dotnfc 0:db8030e71f55 20
dotnfc 0:db8030e71f55 21 public:
dotnfc 0:db8030e71f55 22 EmulateTag(PN532Interface &interface) : pn532(interface), uidPtr(0), tagWrittenByInitiator(false), tagWriteable(true), updateNdefCallback(0) { }
dotnfc 0:db8030e71f55 23
dotnfc 0:db8030e71f55 24 bool init();
dotnfc 0:db8030e71f55 25
dotnfc 0:db8030e71f55 26 bool emulate(const uint16_t tgInitAsTargetTimeout = 0);
dotnfc 0:db8030e71f55 27
dotnfc 0:db8030e71f55 28 /*
dotnfc 0:db8030e71f55 29 * @param uid pointer to byte array of length 3 (uid is 4 bytes - first byte is fixed) or zero for uid
dotnfc 0:db8030e71f55 30 */
dotnfc 0:db8030e71f55 31 void setUid(uint8_t* uid = 0);
dotnfc 0:db8030e71f55 32
dotnfc 0:db8030e71f55 33 void setNdefFile(const uint8_t* ndef, const int16_t ndefLength);
dotnfc 0:db8030e71f55 34
dotnfc 0:db8030e71f55 35 void getContent(uint8_t** buf, uint16_t* length){
dotnfc 0:db8030e71f55 36 *buf = ndef_file + 2; // first 2 bytes = length
dotnfc 0:db8030e71f55 37 *length = (ndef_file[0] << 8) + ndef_file[1];
dotnfc 0:db8030e71f55 38 }
dotnfc 0:db8030e71f55 39
dotnfc 0:db8030e71f55 40 bool writeOccured(){
dotnfc 0:db8030e71f55 41 return tagWrittenByInitiator;
dotnfc 0:db8030e71f55 42 }
dotnfc 0:db8030e71f55 43
dotnfc 0:db8030e71f55 44 void setTagWriteable(bool setWriteable){
dotnfc 0:db8030e71f55 45 tagWriteable = setWriteable;
dotnfc 0:db8030e71f55 46 }
dotnfc 0:db8030e71f55 47
dotnfc 0:db8030e71f55 48 uint8_t* getNdefFilePtr(){
dotnfc 0:db8030e71f55 49 return ndef_file;
dotnfc 0:db8030e71f55 50 }
dotnfc 0:db8030e71f55 51
dotnfc 0:db8030e71f55 52 uint8_t getNdefMaxLength(){
dotnfc 0:db8030e71f55 53 return NDEF_MAX_LENGTH;
dotnfc 0:db8030e71f55 54 }
dotnfc 0:db8030e71f55 55
dotnfc 0:db8030e71f55 56 void attach(void (*func)(uint8_t *buf, uint16_t length)) {
dotnfc 0:db8030e71f55 57 updateNdefCallback = func;
dotnfc 0:db8030e71f55 58 };
dotnfc 0:db8030e71f55 59
dotnfc 0:db8030e71f55 60 private:
dotnfc 0:db8030e71f55 61 PN532 pn532;
dotnfc 0:db8030e71f55 62 uint8_t ndef_file[NDEF_MAX_LENGTH];
dotnfc 0:db8030e71f55 63 uint8_t* uidPtr;
dotnfc 0:db8030e71f55 64 bool tagWrittenByInitiator;
dotnfc 0:db8030e71f55 65 bool tagWriteable;
dotnfc 0:db8030e71f55 66 void (*updateNdefCallback)(uint8_t *ndef, uint16_t length);
dotnfc 0:db8030e71f55 67
dotnfc 0:db8030e71f55 68 void setResponse(responseCommand cmd, uint8_t* buf, uint8_t* sendlen, uint8_t sendlenOffset = 0);
dotnfc 0:db8030e71f55 69 };
dotnfc 0:db8030e71f55 70
dotnfc 0:db8030e71f55 71 #endif