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   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         RFID_OPT_14443A_SAK             = 0x00010005,
  10 };
  11
  12 enum rfid_14443_opt_speed {
  13         RFID_14443A_SPEED_106K  = 0x01,
  14         RFID_14443A_SPEED_212K  = 0x02,
  15         RFID_14443A_SPEED_424K  = 0x04,
  16         RFID_14443A_SPEED_848K  = 0x08,
  17 };
  18
  19 #ifdef __LIBRFID__
  20
  21 #include <sys/types.h>
  22
  23 /* protocol definitions */
  24
  25 /* ISO 14443-3, Chapter 6.3.1 */
  26 enum iso14443a_sf_cmd {
  27         ISO14443A_SF_CMD_REQA           = 0x26,
  28         ISO14443A_SF_CMD_WUPA           = 0x52,
  29         ISO14443A_SF_CMD_OPT_TIMESLOT   = 0x35,         /* Annex C */
  30         /* 40 to 4f and 78 to 7f: proprietary */
  31 };
  32
  33 struct iso14443a_atqa {
  34 #ifndef RFID_BIG_ENDIAN_BITFIELD
  35         u_int8_t bf_anticol:5,
  36                  rfu1:1,
  37                  uid_size:2;
  38         u_int8_t proprietary:4,
  39                  rfu2:4;
  40 #else
  41         u_int8_t uid_size:2,
  42                  rfu1:1,
  43                  bf_anticol:5;
  44         u_int8_t rfu2:4,
  45                  proprietary:4;
  46 #endif
  47 } __attribute__((packed));
  48
  49 #define ISO14443A_HLTA          0x5000
  50
  51 /* ISO 14443-3, Chapter 6.3.2 */
  52 struct iso14443a_anticol_cmd {
  53         unsigned char           sel_code;
  54         unsigned char           nvb;
  55         unsigned char           uid_bits[5];
  56 } __attribute__((packed));
  57
  58 enum iso14443a_anticol_sel_code {
  59         ISO14443A_AC_SEL_CODE_CL1       = 0x93,
  60         ISO14443A_AC_SEL_CODE_CL2       = 0x95,
  61         ISO14443A_AC_SEL_CODE_CL3       = 0x97,
  62 };
  63
  64 #define ISO14443A_BITOFCOL_NONE         0xffffffff
  65
  66 struct iso14443a_handle {
  67         unsigned int state;
  68         unsigned int level;
  69         unsigned int tcl_capable;
  70         struct iso14443a_atqa atqa;
  71         u_int8_t sak;
  72 };
  73
  74 enum iso14443a_level {
  75         ISO14443A_LEVEL_NONE,
  76         ISO14443A_LEVEL_CL1,
  77         ISO14443A_LEVEL_CL2,
  78         ISO14443A_LEVEL_CL3,
  79 };
  80
  81 enum iso14443a_state {
  82         ISO14443A_STATE_ERROR,
  83         ISO14443A_STATE_NONE,
  84         ISO14443A_STATE_REQA_SENT,
  85         ISO14443A_STATE_ATQA_RCVD,
  86         ISO14443A_STATE_NO_BITFRAME_ANTICOL,
  87         ISO14443A_STATE_ANTICOL_RUNNING,
  88         ISO14443A_STATE_SELECTED,
  89 };
  90
  91 /* Section 6.1.2 values in usec, rounded up to next usec */
  92 #define ISO14443A_FDT_ANTICOL_LAST1     92      /* 1236 / fc = 91.15 usec */
  93 #define ISO14443A_FDT_ANTICOL_LAST0     87      /* 1172 / fc = 86.43 usec */
  94
  95 #define ISO14443_CARRIER_FREQ   13560000
  96 #define ISO14443A_FDT_OTHER_LAST1(n)    (((n*128+84)*1000000)/ISO14443_CARRIER_FREQ)
  97
  98
  99 #include <librfid/rfid_layer2.h>
 100 extern const struct rfid_layer2 rfid_layer2_iso14443a;
 101
 102 #endif /* __LIBRFID__ */
 103
 104
 105 #endif /* _ISO14443A_H */