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_transcieve(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 enum rfid_protocol_id {
  31         RFID_PROTOCOL_UNKNOWN,
  32         RFID_PROTOCOL_TCL,
  33         RFID_PROTOCOL_MIFARE_UL,
  34         RFID_PROTOCOL_MIFARE_CLASSIC,
  35 };
  36
  37
  38 #ifdef __LIBRFID__
  39
  40 struct rfid_protocol {
  41         struct rfid_protocol *next;
  42         unsigned int id;
  43         char *name;
  44         struct {
  45                 struct rfid_protocol_handle *(*init)(struct rfid_layer2_handle *l2h);
  46                 int (*open)(struct rfid_protocol_handle *ph);
  47                 int (*close)(struct rfid_protocol_handle *ph);
  48                 int (*fini)(struct rfid_protocol_handle *ph);
  49                 /* transcieve for session based transport protocols */
  50                 int (*transcieve)(struct rfid_protocol_handle *ph,
  51                                   const unsigned char *tx_buf,
  52                                   unsigned int tx_len,
  53                                   unsigned char *rx_buf,
  54                                   unsigned int *rx_len,
  55                                   unsigned int timeout,
  56                                   unsigned int flags);
  57                 /* read/write for synchronous memory cards */
  58                 int (*read)(struct rfid_protocol_handle *ph,
  59                             unsigned int page,
  60                             unsigned char *rx_data,
  61                             unsigned int *rx_len);
  62                 int (*write)(struct rfid_protocol_handle *ph,
  63                              unsigned int page,
  64                              unsigned char *tx_data,
  65                              unsigned int tx_len);
  66         } fn;
  67 };
  68
  69 int rfid_protocol_register(struct rfid_protocol *p);
  70
  71 #include <librfid/rfid_protocol_tcl.h>
  72 #include <librfid/rfid_protocol_mifare_ul.h>
  73 #include <librfid/rfid_protocol_mifare_classic.h>
  74
  75 struct rfid_protocol_handle {
  76         struct rfid_layer2_handle *l2h;
  77         struct rfid_protocol *proto;
  78         union {
  79                 struct tcl_handle tcl;
  80         } priv;                         /* priv has to be last, since
  81                                          * it could contain additional
  82                                          * private data over the end of
  83                                          * sizeof(priv). */
  84 };
  85
  86 #endif /* __LIBRFID__ */
  87
  88 #endif /* _RFID_PROTOCOL_H */