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