#define CRYPT_REQUEST 2\r
#define AUTH_FIRST 0 \r
#define AUTH_NESTED 2\r
-#define AUTHENTICATION_TIMEOUT 848 // card times out 1ms after wrong authentication (according to NXP documentation)\r
-#define PRE_AUTHENTICATION_LEADTIME 400 // some (non standard) cards need a pause after select before they are ready for first authentication\r
\r
// mifare 4bit card answers\r
#define CARD_ACK 0x0A // 1010 - ACK\r