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

   1 #ifndef _RFID_ISO14443A_H
   2 #define _RFID_ISO14443A_H
   3
   4 #include <sys/types.h>
   5
   6 /* protocol definitions */
   7
   8 /* ISO 14443-3, Chapter 6.3.1 */
   9 enum iso14443a_sf_cmd {
  10         ISO14443A_SF_CMD_REQA           = 0x26,
  11         ISO14443A_SF_CMD_WUPA           = 0x52,
  12         ISO14443A_SF_CMD_OPT_TIMESLOT   = 0x35,         /* Annex C */
  13         /* 40 to 4f and 78 to 7f: proprietary */
  14 };
  15
  16 struct iso14443a_atqa {
  17         u_int8_t bf_anticol:5,
  18                  rfu1:1,
  19                  uid_size:2;
  20         u_int8_t proprietary:4,
  21                  rfu2:4;
  22 };
  23
  24 #define ISO14443A_HLTA          0x5000
  25
  26 /* ISO 14443-3, Chapter 6.3.2 */
  27 struct iso14443a_anticol_cmd {
  28         unsigned char           sel_code;
  29         unsigned char           nvb;
  30         unsigned char           uid_bits[5];
  31 };
  32
  33 enum iso14443a_anticol_sel_code {
  34         ISO14443A_AC_SEL_CODE_CL1       = 0x93,
  35         ISO14443A_AC_SEL_CODE_CL2       = 0x95,
  36         ISO14443A_AC_SEL_CODE_CL3       = 0x97,
  37 };
  38
  39 #define ISO14443A_BITOFCOL_NONE         0xffffffff
  40
  41 struct iso14443a_handle;
  42
  43 struct iso14443a_transport {
  44         unsigned char   *name;
  45
  46         struct {
  47                 int (*init)(struct iso14443a_handle *handle);
  48                 int (*fini)(struct iso14443a_handle *handle);
  49
  50                 int (*transcieve_sf)(struct iso14443a_handle *handle,
  51                                      unsigned char cmd,
  52                                      struct iso14443a_atqa *atqa);
  53                 int (*transcieve_acf)(struct iso14443a_handle *handle,
  54                                       struct iso14443a_anticol_cmd *acf,
  55                                       unsigned int *bit_of_col);
  56                 int (*transcieve)(struct iso14443a_handle *handle,
  57                                   const unsigned char *tx_buf,
  58                                   unsigned int tx_len,
  59                                   unsigned char *rx_buf,
  60                                   unsigned int *rx_len);
  61         } fn;
  62
  63         union {
  64         } priv;
  65 };
  66
  67 struct iso14443a_handle {
  68         unsigned int state;
  69         unsigned int level;
  70         unsigned int tcl_capable;
  71         unsigned int uid_len;
  72         unsigned char uid[10];          /* Triple size UID is 10 bytes */
  73 };
  74
  75 enum iso14443a_level {
  76         ISO14443A_LEVEL_NONE,
  77         ISO14443A_LEVEL_CL1,
  78         ISO14443A_LEVEL_CL2,
  79         ISO14443A_LEVEL_CL3,
  80 };
  81
  82 enum iso14443a_state {
  83         ISO14443A_STATE_ERROR,
  84         ISO14443A_STATE_NONE,
  85         ISO14443A_STATE_REQA_SENT,
  86         ISO14443A_STATE_ATQA_RCVD,
  87         ISO14443A_STATE_NO_BITFRAME_ANTICOL,
  88         ISO14443A_STATE_ANTICOL_RUNNING,
  89         ISO14443A_STATE_SELECTED,
  90 };
  91
  92 #include <rfid/rfid_layer2.h>
  93 struct rfid_layer2 rfid_layer2_iso14443a;
  94
  95 #endif /* _ISO14443A_H */