#define ISO14443A_CMD_WUPA 0x52
#define ISO14443A_CMD_ANTICOLL_OR_SELECT 0x93
#define ISO14443A_CMD_ANTICOLL_OR_SELECT_2 0x95
+#define ISO14443A_CMD_ANTICOLL_OR_SELECT_3 0x97
#define ISO14443A_CMD_WRITEBLOCK 0xA0
#define ISO14443A_CMD_HALT 0x50
#define ISO14443A_CMD_RATS 0xE0
#define MIFARE_ULEV1_CHECKTEAR 0x3E
#define MIFARE_ULEV1_VCSL 0x4B
+// mifare 4bit card answers
+#define CARD_ACK 0x0A // 1010 - ACK
+#define CARD_NACK_NA 0x04 // 0100 - NACK, not allowed (command not allowed)
+#define CARD_NACK_TR 0x05 // 0101 - NACK, transmission error
+
// Magic Generation 1, parameter "work flags"
// bit 0 - need get UID