Diff: NfcTag.cpp

Revision:

0:b805b487fbef

Child:

1:a549ef8b142a

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/NfcTag.cpp	Fri Apr 24 18:17:09 2015 +0000
@@ -0,0 +1,138 @@
+#include <NfcTag.h>
+#include <string.h>
+#include <PN532_debug.h>
+
+NfcTag::NfcTag()
+{
+    _uid = 0;
+    _uidLength = 0;
+    _tagType = "Unknown";
+    _ndefMessage = (NdefMessage*)NULL;
+}
+
+NfcTag::NfcTag(uint8_t *uid, unsigned int uidLength)
+{
+    _uid = uid;
+    _uidLength = uidLength;
+    _tagType = "Unknown";
+    _ndefMessage = (NdefMessage*)NULL;
+}
+
+NfcTag::NfcTag(uint8_t *uid, unsigned int  uidLength, string tagType)
+{
+    _uid = uid;
+    _uidLength = uidLength;
+    _tagType = tagType;
+    _ndefMessage = (NdefMessage*)NULL;
+}
+
+NfcTag::NfcTag(uint8_t *uid, unsigned int  uidLength, string tagType, NdefMessage& ndefMessage)
+{
+    _uid = uid;
+    _uidLength = uidLength;
+    _tagType = tagType;
+    _ndefMessage = new NdefMessage(ndefMessage);
+}
+
+// I don't like this version, but it will use less memory
+NfcTag::NfcTag(uint8_t *uid, unsigned int uidLength, string tagType, const uint8_t *ndefData, const int ndefDataLength)
+{
+    _uid = uid;
+    _uidLength = uidLength;
+    _tagType = tagType;
+    _ndefMessage = new NdefMessage(ndefData, ndefDataLength);
+}
+
+NfcTag::~NfcTag()
+{
+    delete _ndefMessage;
+}
+
+NfcTag& NfcTag::operator=(const NfcTag& rhs)
+{
+    if (this != &rhs)
+    {
+        delete _ndefMessage;
+        _uid = rhs._uid;
+        _uidLength = rhs._uidLength;
+        _tagType = rhs._tagType;
+        // TODO do I need a copy here?
+        _ndefMessage = rhs._ndefMessage;
+    }
+    return *this;
+}
+
+uint8_t NfcTag::getUidLength()
+{
+    return _uidLength;
+}
+
+void NfcTag::getUid(uint8_t *uid, unsigned int uidLength)
+{
+    memcpy(_uid, uid, uidLength);
+}
+
+string NfcTag::getUidString()
+{
+    unsigned int un, dec;
+    string uidString = "";
+
+    for (int i = 0; i < _uidLength; i++)
+    {
+        if (i > 0)
+        {
+            uidString += " ";
+        }
+
+        
+        un=_uid[i]%16;
+        dec=_uid[i]/16;
+        
+        if(dec > 9){
+            uidString += dec + 0x37;
+            }
+            else{
+                uidString += dec + 0x30;
+                }
+        
+        if(un > 9){
+            uidString += un + 0x37;
+            }
+            else{
+                uidString += un + 0x30;
+                }
+        
+    }
+    return uidString;
+}
+
+string NfcTag::getTagType()
+{
+    return _tagType;
+}
+
+bool NfcTag::hasNdefMessage()
+{
+    return (_ndefMessage != NULL);
+}
+
+NdefMessage NfcTag::getNdefMessage()
+{
+    return *_ndefMessage;
+}
+
+void NfcTag::print()
+{
+    DMSG("NFC Tag - ");
+    DMSG_INT(_tagType);
+    DMSG("UID - ");
+    DMSG(getUidString().c_str());
+    if (_ndefMessage == NULL)
+    {
+        DMSG("\nNo NDEF Message");
+    }
+    else
+    {
+        _ndefMessage->print();
+    }
+}