git.rot13.org Git - librfid/blob - include/librfid/rfid_layer2.h

   1 #ifndef _RFID_LAYER2_H
   2 #define _RFID_LAYER2_H
   3
   4 #include <librfid/rfid.h>
   5
   6 struct rfid_layer2_handle;
   7 struct rfid_reader_handle;
   8
   9 enum rfid_layer2_id {
  10         RFID_LAYER2_NONE,
  11         RFID_LAYER2_ISO14443A,
  12         RFID_LAYER2_ISO14443B,
  13         RFID_LAYER2_ISO15693,
  14 };
  15
  16 /* 0...0xffff = global options, 0x10000...0x1ffff = private options */
  17 #define RFID_OPT_L2_PRIV                0x00010000
  18 enum rfid_layer2_opt {
  19         RFID_OPT_LAYER2_UID             = 0x0001,
  20         RFID_OPT_LAYER2_PROTO_SUPP      = 0x0002,
  21         RFID_OPT_LAYER2_WUP             = 0x0003,
  22 };
  23
  24 struct rfid_layer2_handle *rfid_layer2_init(struct rfid_reader_handle *rh,
  25                                             unsigned int id);
  26 int rfid_layer2_open(struct rfid_layer2_handle *l2h);
  27 int rfid_layer2_transceive(struct rfid_layer2_handle *l2h,
  28                            enum rfid_frametype frametype,
  29                            const unsigned char *tx_buf, unsigned int tx_len,
  30                            unsigned char *rx_buf, unsigned int *rx_len,
  31                            u_int64_t timeout, unsigned int flags);
  32 int rfid_layer2_close(struct rfid_layer2_handle *l2h);
  33 int rfid_layer2_fini(struct rfid_layer2_handle *l2h);
  34 int rfid_layer2_getopt(struct rfid_layer2_handle *ph, int optname,
  35                         void *optval, unsigned int *optlen);
  36 int rfid_layer2_setopt(struct rfid_layer2_handle *ph, int optname,
  37                         const void *optval, unsigned int optlen);
  38 char *rfid_layer2_name(struct rfid_layer2_handle *l2h);
  39 #ifdef __LIBRFID__
  40
  41 #include <librfid/rfid_layer2_iso14443a.h>
  42 #include <librfid/rfid_layer2_iso14443b.h>
  43 #include <librfid/rfid_layer2_iso15693.h>
  44
  45 struct rfid_layer2 {
  46         unsigned int id;
  47         char *name;
  48
  49         struct {
  50                 struct rfid_layer2_handle *(*init)(struct rfid_reader_handle *h);
  51                 int (*open)(struct rfid_layer2_handle *h);
  52                 int (*transceive)(struct rfid_layer2_handle *h,
  53                                   enum rfid_frametype frametype,
  54                                   const unsigned char *tx_buf,
  55                                   unsigned int tx_len, unsigned char *rx_buf,
  56                                   unsigned int *rx_len, u_int64_t timeout,
  57                                   unsigned int flags);
  58                 int (*close)(struct rfid_layer2_handle *h);
  59                 int (*fini)(struct rfid_layer2_handle *h);
  60                 int (*getopt)(struct rfid_layer2_handle *h,
  61                               int optname, void *optval, unsigned int *optlen);
  62                 int (*setopt)(struct rfid_layer2_handle *h,
  63                               int optname, const void *optval,
  64                               unsigned int optlen);
  65         } fn;
  66 };
  67
  68 struct rfid_layer2_handle {
  69         struct rfid_reader_handle *rh;
  70         unsigned char uid[10];  /* triple size 14443a id is 10 bytes */
  71         unsigned int uid_len;
  72         unsigned int proto_supported;
  73         unsigned int flags;
  74         union {
  75                 struct iso14443a_handle iso14443a;
  76                 struct iso14443b_handle iso14443b;
  77                 struct iso15693_handle iso15693;
  78         } priv;
  79         const struct rfid_layer2 *l2;
  80 };
  81
  82 #endif /* __LIBRFID__ */
  83
  84 #endif