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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 };
  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 #ifndef RFID_BIG_ENDIAN_BITFIELD
  34         u_int8_t bf_anticol:5,
  35                  rfu1:1,
  36                  uid_size:2;
  37         u_int8_t proprietary:4,
  38                  rfu2:4;
  39 #else
  40         u_int8_t uid_size:2,
  41                  rfu1:1,
  42                  bf_anticol:5;
  43         u_int8_t rfu2:4,
  44                  proprietary:4;
  45 #endif
  46 } __attribute__((packed));
  47
  48 #define ISO14443A_HLTA          0x5000
  49
  50 /* ISO 14443-3, Chapter 6.3.2 */
  51 struct iso14443a_anticol_cmd {
  52         unsigned char           sel_code;
  53         unsigned char           nvb;
  54         unsigned char           uid_bits[5];
  55 } __attribute__((packed));
  56
  57 enum iso14443a_anticol_sel_code {
  58         ISO14443A_AC_SEL_CODE_CL1       = 0x93,
  59         ISO14443A_AC_SEL_CODE_CL2       = 0x95,
  60         ISO14443A_AC_SEL_CODE_CL3       = 0x97,
  61 };
  62
  63 #define ISO14443A_BITOFCOL_NONE         0xffffffff
  64
  65 struct iso14443a_handle {
  66         unsigned int state;
  67         unsigned int level;
  68         unsigned int tcl_capable;
  69         struct iso14443a_atqa atqa;
  70 };
  71
  72 enum iso14443a_level {
  73         ISO14443A_LEVEL_NONE,
  74         ISO14443A_LEVEL_CL1,
  75         ISO14443A_LEVEL_CL2,
  76         ISO14443A_LEVEL_CL3,
  77 };
  78
  79 enum iso14443a_state {
  80         ISO14443A_STATE_ERROR,
  81         ISO14443A_STATE_NONE,
  82         ISO14443A_STATE_REQA_SENT,
  83         ISO14443A_STATE_ATQA_RCVD,
  84         ISO14443A_STATE_NO_BITFRAME_ANTICOL,
  85         ISO14443A_STATE_ANTICOL_RUNNING,
  86         ISO14443A_STATE_SELECTED,
  87 };
  88
  89 /* Section 6.1.2 values in usec, rounded up to next usec */
  90 #define ISO14443A_FDT_ANTICOL_LAST1     92      /* 1236 / fc = 91.15 usec */
  91 #define ISO14443A_FDT_ANTICOL_LAST0     87      /* 1172 / fc = 86.43 usec */
  92
  93 #define ISO14443_CARRIER_FREQ   13560000
  94 #define ISO14443A_FDT_OTHER_LAST1(n)    (((n*128+84)*1000000)/ISO14443_CARRIER_FREQ)
  95
  96
  97 #include <librfid/rfid_layer2.h>
  98 extern const struct rfid_layer2 rfid_layer2_iso14443a;
  99
 100 #endif /* __LIBRFID__ */
 101
 102
 103 #endif /* _ISO14443A_H */