git.rot13.org Git - librfid/blob - include/librfid/rfid_layer2_iso14443a.h

   1 #ifndef _RFID_ISO14443A_H
   2 #define _RFID_ISO14443A_H
   3
   4 enum rfid_14443a_opt {
   5         RFID_OPT_14443A_SPEED_RX        = 0x00010001,
   6         RFID_OPT_14443A_SPEED_TX        = 0x00010002,
   7         RFID_OPT_14443A_ATQA            = 0x00010003,
   8         RFID_OPT_14443A_WUPA            = 0x00010004,
   9 };
  10
  11 enum rfid_14443_opt_speed {
  12         RFID_14443A_SPEED_106K  = 0x01,
  13         RFID_14443A_SPEED_212K  = 0x02,
  14         RFID_14443A_SPEED_424K  = 0x04,
  15         RFID_14443A_SPEED_848K  = 0x08,
  16 };
  17
  18 #ifdef __LIBRFID__
  19
  20 #include <sys/types.h>
  21
  22 /* protocol definitions */
  23
  24 /* ISO 14443-3, Chapter 6.3.1 */
  25 enum iso14443a_sf_cmd {
  26         ISO14443A_SF_CMD_REQA           = 0x26,
  27         ISO14443A_SF_CMD_WUPA           = 0x52,
  28         ISO14443A_SF_CMD_OPT_TIMESLOT   = 0x35,         /* Annex C */
  29         /* 40 to 4f and 78 to 7f: proprietary */
  30 };
  31
  32 struct iso14443a_atqa {
  33         u_int8_t bf_anticol:5,
  34                  rfu1:1,
  35                  uid_size:2;
  36         u_int8_t proprietary:4,
  37                  rfu2:4;
  38 } __attribute__((packed));
  39
  40 #define ISO14443A_HLTA          0x5000
  41
  42 /* ISO 14443-3, Chapter 6.3.2 */
  43 struct iso14443a_anticol_cmd {
  44         unsigned char           sel_code;
  45         unsigned char           nvb;
  46         unsigned char           uid_bits[5];
  47 } __attribute__((packed));
  48
  49 enum iso14443a_anticol_sel_code {
  50         ISO14443A_AC_SEL_CODE_CL1       = 0x93,
  51         ISO14443A_AC_SEL_CODE_CL2       = 0x95,
  52         ISO14443A_AC_SEL_CODE_CL3       = 0x97,
  53 };
  54
  55 #define ISO14443A_BITOFCOL_NONE         0xffffffff
  56
  57 struct iso14443a_handle {
  58         unsigned int state;
  59         unsigned int level;
  60         unsigned int tcl_capable;
  61         struct iso14443a_atqa atqa;
  62 };
  63
  64 enum iso14443a_level {
  65         ISO14443A_LEVEL_NONE,
  66         ISO14443A_LEVEL_CL1,
  67         ISO14443A_LEVEL_CL2,
  68         ISO14443A_LEVEL_CL3,
  69 };
  70
  71 enum iso14443a_state {
  72         ISO14443A_STATE_ERROR,
  73         ISO14443A_STATE_NONE,
  74         ISO14443A_STATE_REQA_SENT,
  75         ISO14443A_STATE_ATQA_RCVD,
  76         ISO14443A_STATE_NO_BITFRAME_ANTICOL,
  77         ISO14443A_STATE_ANTICOL_RUNNING,
  78         ISO14443A_STATE_SELECTED,
  79 };
  80
  81 /* Section 6.1.2 values in usec, rounded up to next usec */
  82 #define ISO14443A_FDT_ANTICOL_LAST1     92      /* 1236 / fc = 91.15 usec */
  83 #define ISO14443A_FDT_ANTICOL_LAST0     87      /* 1172 / fc = 86.43 usec */
  84
  85 #define ISO14443_CARRIER_FREQ   13560000
  86 #define ISO14443A_FDT_OTHER_LAST1(n)    (((n*128+84)*1000000)/ISO14443_CARRIER_FREQ)
  87
  88
  89 #include <librfid/rfid_layer2.h>
  90 extern const struct rfid_layer2 rfid_layer2_iso14443a;
  91
  92 #endif /* __LIBRFID__ */
  93
  94
  95 #endif /* _ISO14443A_H */