124 lines
2.4 KiB
C++
124 lines
2.4 KiB
C++
#include <NfcTag.h>
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NfcTag::NfcTag()
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{
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_uid = 0;
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_uidLength = 0;
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_tagType = "Unknown";
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_ndefMessage = (NdefMessage*)NULL;
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}
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NfcTag::NfcTag(byte *uid, unsigned int uidLength)
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{
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_uid = uid;
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_uidLength = uidLength;
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_tagType = "Unknown";
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_ndefMessage = (NdefMessage*)NULL;
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}
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NfcTag::NfcTag(byte *uid, unsigned int uidLength, String tagType)
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{
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_uid = uid;
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_uidLength = uidLength;
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_tagType = tagType;
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_ndefMessage = (NdefMessage*)NULL;
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}
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NfcTag::NfcTag(byte *uid, unsigned int uidLength, String tagType, NdefMessage& ndefMessage)
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{
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_uid = uid;
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_uidLength = uidLength;
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_tagType = tagType;
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_ndefMessage = new NdefMessage(ndefMessage);
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}
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// I don't like this version, but it will use less memory
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NfcTag::NfcTag(byte *uid, unsigned int uidLength, String tagType, const byte *ndefData, const int ndefDataLength)
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{
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_uid = uid;
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_uidLength = uidLength;
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_tagType = tagType;
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_ndefMessage = new NdefMessage(ndefData, ndefDataLength);
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}
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NfcTag::~NfcTag()
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{
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delete _ndefMessage;
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}
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NfcTag& NfcTag::operator=(const NfcTag& rhs)
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{
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if (this != &rhs)
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{
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delete _ndefMessage;
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_uid = rhs._uid;
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_uidLength = rhs._uidLength;
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_tagType = rhs._tagType;
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// TODO do I need a copy here?
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_ndefMessage = rhs._ndefMessage;
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}
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return *this;
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}
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uint8_t NfcTag::getUidLength()
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{
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return _uidLength;
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}
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void NfcTag::getUid(byte *uid, unsigned int uidLength)
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{
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memcpy(uid, _uid, _uidLength < uidLength ? _uidLength : uidLength);
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}
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String NfcTag::getUidString()
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{
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String uidString = "";
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for (unsigned int i = 0; i < _uidLength; i++)
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{
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if (i > 0)
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{
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uidString += " ";
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}
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if (_uid[i] < 0xF)
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{
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uidString += "0";
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}
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uidString += String((unsigned int)_uid[i], (unsigned char)HEX);
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}
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uidString.toUpperCase();
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return uidString;
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}
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String NfcTag::getTagType()
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{
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return _tagType;
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}
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boolean NfcTag::hasNdefMessage()
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{
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return (_ndefMessage != NULL);
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}
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NdefMessage NfcTag::getNdefMessage()
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{
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return *_ndefMessage;
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}
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#ifdef NDEF_USE_SERIAL
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void NfcTag::print()
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{
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Serial.print(F("NFC Tag - "));Serial.println(_tagType);
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Serial.print(F("UID "));Serial.println(getUidString());
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if (_ndefMessage == NULL)
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{
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Serial.println(F("\nNo NDEF Message"));
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}
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else
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{
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_ndefMessage->print();
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}
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}
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#endif
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