-//-----------------------------------------------------------------------------
-// ISO 14443A
-//-----------------------------------------------------------------------------
-typedef struct {
- uint8_t atqa[2];
- uint8_t sak;
- uint8_t ats_len;
- uint8_t ats[20]; //FIXME: size?
-} __attribute__((__packed__)) iso14a_card_select_t;
-
-typedef enum ISO14A_COMMAND {
- ISO14A_CONNECT = 1,
- ISO14A_NO_DISCONNECT = 2,
- ISO14A_APDU = 4,
- ISO14A_RAW = 8,
- ISO14A_REQUEST_TRIGGER = 0x10,
- ISO14A_APPEND_CRC = 0x20,
- ISO14A_SET_TIMEOUT = 0x40
-} iso14a_command_t;
+// debug
+// 0 - no debug messages 1 - error messages 2 - all messages 4 - extended debug mode
+#define MF_DBG_NONE 0
+#define MF_DBG_ERROR 1
+#define MF_DBG_ALL 2
+#define MF_DBG_EXTENDED 4
+extern int MF_DBGLEVEL;
+
+// reader voltage field detector
+#define MF_MINFIELDV 4000
+
+#ifndef MIN
+# define MIN(a, b) (((a) < (b)) ? (a) : (b))
+#endif
+
+#ifndef MAX
+# define MAX(a, b) (((a) > (b)) ? (a) : (b))
+#endif