NfcAdapter.h

00001 #ifndef NfcAdapter_h
00002 #define NfcAdapter_h
00003 
00004 #include <PN532Interface.h>
00005 #include <PN532.h >
00006 #include <NfcTag.h>
00007 #include <Ndef.h>
00008 
00009 // Drivers
00010 #include <MifareClassic.h>
00011 #include <MifareUltralight.h>
00012 
00013 #define TAG_TYPE_MIFARE_CLASSIC (0)
00014 #define TAG_TYPE_1 (1)
00015 #define TAG_TYPE_2 (2)
00016 #define TAG_TYPE_3 (3)
00017 #define TAG_TYPE_4 (4)
00018 #define TAG_TYPE_UNKNOWN (99)
00019 
00020 #define IRQ   (2)
00021 #define RESET (3)  // Not connected by default on the NFC Shield
00022 
00023 class NfcAdapter {
00024     public:
00025         NfcAdapter(PN532Interface &interface);
00026 
00027         ~NfcAdapter(void);
00028         void begin(void);
00029         bool tagPresent(); // tagAvailable
00030         NfcTag read();
00031         bool write(NdefMessage& ndefMessage);
00032         // FUTURE bool share(NdefMessage& ndefMessage);
00033         // FUTURE bool unshare();
00034         // FUTURE bool erase();
00035         // FUTURE bool format();
00036     private:
00037         PN532* shield;
00038         uint8_t uid[7];    // Buffer to store the returned UID
00039         unsigned int uidLength; // Length of the UID (4 or 7 uint8_ts depending on ISO14443A card type)
00040         unsigned int guessTagType();
00041         uint16_t ATQA;
00042         uint8_t SAK;
00043 };
00044 
00045 #endif