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

   1 #ifndef _RFID_PROTOCOL_H
   2 #define _RFID_PROTOCOL_H
   3
   4 #include <rfid/rfid_layer2.h>
   5
   6 #include <rfid/rfid_protocol_tcl.h>
   7
   8 struct rfid_protocol_handle;
   9
  10 struct rfid_protocol {
  11         struct rfid_protocol *next;
  12         unsigned int id;
  13         char *name;
  14         struct {
  15                 struct rfid_protocol_handle *(*init)(struct rfid_layer2_handle *l2h);
  16                 int (*open)(struct rfid_protocol_handle *ph);
  17                 int (*close)(struct rfid_protocol_handle *ph);
  18                 int (*fini)(struct rfid_protocol_handle *ph);
  19                 /* transcieve for session based transport protocols */
  20                 int (*transcieve)(struct rfid_protocol_handle *ph,
  21                                   const unsigned char *tx_buf,
  22                                   unsigned int tx_len,
  23                                   unsigned char *rx_buf,
  24                                   unsigned int *rx_len,
  25                                   unsigned int timeout,
  26                                   unsigned int flags);
  27                 /* read/write for synchronous memory cards */
  28                 int (*read)(struct rfid_protocol_handle *ph,
  29                             unsigned int page,
  30                             unsigned char *rx_data,
  31                             unsigned int *rx_len);
  32                 int (*write)(struct rfid_protocol_handle *ph,
  33                              unsigned int page,
  34                              unsigned char *tx_data,
  35                              unsigned int tx_len);
  36         } fn;
  37 };
  38
  39 struct rfid_protocol_handle {
  40         struct rfid_layer2_handle *l2h;
  41         struct rfid_protocol *proto;
  42         union {
  43                 struct tcl_handle tcl;
  44         } priv;                         /* priv has to be last, since
  45                                          * it could contain additional
  46                                          * private data over the end of
  47                                          * sizeof(priv). */
  48 };
  49
  50 struct rfid_protocol_handle *
  51 rfid_protocol_init(struct rfid_layer2_handle *l2h, unsigned int id);
  52 int rfid_protocol_open(struct rfid_protocol_handle *ph);
  53 int rfid_protocol_transcieve(struct rfid_protocol_handle *ph,
  54                              const unsigned char *tx_buf, unsigned int tx_len,
  55                              unsigned char *rx_buf, unsigned int *rx_len,
  56                              unsigned int timeout, unsigned int flags);
  57 int
  58 rfid_protocol_read(struct rfid_protocol_handle *ph,
  59                    unsigned int page,
  60                    unsigned char *rx_data,
  61                    unsigned int rx_len);
  62
  63 int
  64 rfid_protocol_write(struct rfid_protocol_handle *ph,
  65                    unsigned int page,
  66                    unsigned char *tx_data,
  67                    unsigned int tx_len);
  68
  69 int rfid_protocol_fini(struct rfid_protocol_handle *ph);
  70 int rfid_protocol_close(struct rfid_protocol_handle *ph);
  71
  72 int rfid_protocol_register(struct rfid_protocol *p);
  73
  74 enum rfid_protocol_id {
  75         RFID_PROTOCOL_UNKNOWN,
  76         RFID_PROTOCOL_TCL,
  77         RFID_PROTOCOL_MIFARE_UL,
  78 };
  79 #endif