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

   1 #ifndef _RFID_PROTOCOL_H
   2 #define _RFID_PROTOCOL_H
   3
   4 #include <librfid/rfid_layer2.h>
   5
   6 struct rfid_protocol_handle;
   7
   8 struct rfid_protocol_handle *
   9 rfid_protocol_init(struct rfid_layer2_handle *l2h, unsigned int id);
  10 int rfid_protocol_open(struct rfid_protocol_handle *ph);
  11 int rfid_protocol_transceive(struct rfid_protocol_handle *ph,
  12                              const unsigned char *tx_buf, unsigned int tx_len,
  13                              unsigned char *rx_buf, unsigned int *rx_len,
  14                              unsigned int timeout, unsigned int flags);
  15 int
  16 rfid_protocol_read(struct rfid_protocol_handle *ph,
  17                    unsigned int page,
  18                    unsigned char *rx_data,
  19                    unsigned int *rx_len);
  20
  21 int
  22 rfid_protocol_write(struct rfid_protocol_handle *ph,
  23                    unsigned int page,
  24                    unsigned char *tx_data,
  25                    unsigned int tx_len);
  26
  27 int rfid_protocol_fini(struct rfid_protocol_handle *ph);
  28 int rfid_protocol_close(struct rfid_protocol_handle *ph);
  29
  30 int rfid_protocol_getopt(struct rfid_protocol_handle *ph, int optname,
  31                          void *optval, unsigned int *optlen);
  32
  33 int rfid_protocol_setopt(struct rfid_protocol_handle *ph, int optname,
  34                          const void *optval, unsigned int optlen);
  35
  36 char *rfid_protocol_name(struct rfid_protocol_handle *ph);
  37
  38 enum rfid_protocol_id {
  39         RFID_PROTOCOL_UNKNOWN,
  40         RFID_PROTOCOL_TCL,
  41         RFID_PROTOCOL_MIFARE_UL,
  42         RFID_PROTOCOL_MIFARE_CLASSIC,
  43 };
  44
  45 enum rfid_protocol_opt {
  46         RFID_OPT_PROTO_ID,
  47 };
  48
  49 #ifdef __LIBRFID__
  50
  51 struct rfid_protocol {
  52         struct rfid_protocol *next;
  53         unsigned int id;
  54         char *name;
  55         struct {
  56                 struct rfid_protocol_handle *(*init)(struct rfid_layer2_handle *l2h);
  57                 int (*open)(struct rfid_protocol_handle *ph);
  58                 int (*close)(struct rfid_protocol_handle *ph);
  59                 int (*fini)(struct rfid_protocol_handle *ph);
  60                 /* transceive for session based transport protocols */
  61                 int (*transceive)(struct rfid_protocol_handle *ph,
  62                                   const unsigned char *tx_buf,
  63                                   unsigned int tx_len,
  64                                   unsigned char *rx_buf,
  65                                   unsigned int *rx_len,
  66                                   unsigned int timeout,
  67                                   unsigned int flags);
  68                 /* read/write for synchronous memory cards */
  69                 int (*read)(struct rfid_protocol_handle *ph,
  70                             unsigned int page,
  71                             unsigned char *rx_data,
  72                             unsigned int *rx_len);
  73                 int (*write)(struct rfid_protocol_handle *ph,
  74                              unsigned int page,
  75                              unsigned char *tx_data,
  76                              unsigned int tx_len);
  77                 int (*getopt)(struct rfid_protocol_handle *h,
  78                               int optname, void *optval, unsigned int *optlen);
  79                 int (*setopt)(struct rfid_protocol_handle *h,
  80                               int optname, const void *optval,
  81                               unsigned int optlen);
  82         } fn;
  83 };
  84
  85 #include <librfid/rfid_protocol_tcl.h>
  86 #include <librfid/rfid_protocol_mifare_ul.h>
  87 #include <librfid/rfid_protocol_mifare_classic.h>
  88
  89 struct rfid_protocol_handle {
  90         struct rfid_layer2_handle *l2h;
  91         struct rfid_protocol *proto;
  92         union {
  93                 struct tcl_handle tcl;
  94         } priv;                         /* priv has to be last, since
  95                                          * it could contain additional
  96                                          * private data over the end of
  97                                          * sizeof(priv). */
  98 };
  99
 100 #endif /* __LIBRFID__ */
 101
 102 #endif /* _RFID_PROTOCOL_H */