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         RFID_PROTOCOL_ICODE_SLI,
  44         RFID_PROTOCOL_TAGIT,
  45         NUM_RFID_PROTOCOLS
  46 };
  47
  48 enum rfid_protocol_opt {
  49         RFID_OPT_PROTO_ID,
  50         RFID_OPT_PROTO_SIZE     = 0x10000001,
  51 };
  52
  53 #ifdef __LIBRFID__
  54
  55 struct rfid_protocol {
  56         unsigned int id;
  57         char *name;
  58         struct {
  59                 struct rfid_protocol_handle *(*init)(struct rfid_layer2_handle *l2h);
  60                 int (*open)(struct rfid_protocol_handle *ph);
  61                 int (*close)(struct rfid_protocol_handle *ph);
  62                 int (*fini)(struct rfid_protocol_handle *ph);
  63                 /* transceive for session based transport protocols */
  64                 int (*transceive)(struct rfid_protocol_handle *ph,
  65                                   const unsigned char *tx_buf,
  66                                   unsigned int tx_len,
  67                                   unsigned char *rx_buf,
  68                                   unsigned int *rx_len,
  69                                   unsigned int timeout,
  70                                   unsigned int flags);
  71                 /* read/write for synchronous memory cards */
  72                 int (*read)(struct rfid_protocol_handle *ph,
  73                             unsigned int page,
  74                             unsigned char *rx_data,
  75                             unsigned int *rx_len);
  76                 int (*write)(struct rfid_protocol_handle *ph,
  77                              unsigned int page,
  78                              unsigned char *tx_data,
  79                              unsigned int tx_len);
  80                 int (*getopt)(struct rfid_protocol_handle *h,
  81                               int optname, void *optval, unsigned int *optlen);
  82                 int (*setopt)(struct rfid_protocol_handle *h,
  83                               int optname, const void *optval,
  84                               unsigned int optlen);
  85         } fn;
  86 };
  87
  88 #include <librfid/rfid_protocol_tcl.h>
  89 #include <librfid/rfid_protocol_mifare_ul.h>
  90 #include <librfid/rfid_protocol_mifare_classic.h>
  91 #include <librfid/rfid_protocol_tagit.h>
  92
  93 struct rfid_protocol_handle {
  94         struct rfid_layer2_handle *l2h;
  95         const struct rfid_protocol *proto;
  96         union {
  97                 struct tcl_handle tcl;
  98         } priv;                         /* priv has to be last, since
  99                                          * it could contain additional
 100                                          * private data over the end of
 101                                          * sizeof(priv). */
 102 };
 103
 104 #endif /* __LIBRFID__ */
 105
 106 #endif /* _RFID_PROTOCOL_H */