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

   1 #ifndef _RFID_PROTOCOL_TCL_H
   2 #define _RFID_PROTOCOL_TCL_H
   3
   4 enum rfid_proto_tcl_opt {
   5         RFID_OPT_P_TCL_ATS      =       0x00010001,
   6         RFID_OPT_P_TCL_ATS_LEN  =       0x00010002,
   7 };
   8
   9 #ifdef __LIBRFID__
  10
  11 enum tcl_transport_rate {
  12         TCL_RATE_106    = 0x01,
  13         TCL_RATE_212    = 0x02,
  14         TCL_RATE_424    = 0x04,
  15         TCL_RATE_848    = 0x08,
  16 };
  17
  18 enum tcl_transport_transceive_flags {
  19         TCL_TRANSP_F_TX_CRC     = 0x01, /* transport adds TX CRC */
  20         TCL_TRANSP_F_RX_CRC     = 0x02,
  21 };
  22
  23 struct tcl_handle {
  24         /* derived from ats */
  25         unsigned char *historical_bytes; /* points into ats */
  26         unsigned int historical_len;
  27
  28         unsigned int fsc;       /* max frame size accepted by card */
  29         unsigned int fsd;       /* max frame size accepted by reader */
  30         unsigned int fwt;       /* frame waiting time (in usec)*/
  31         unsigned char ta;       /* divisor information */
  32         unsigned char sfgt;     /* start-up frame guard time (in usec) */
  33
  34         /* otherwise determined */
  35         unsigned int cid;       /* Card ID */
  36         unsigned int nad;       /* Node Address */
  37
  38         unsigned int flags;
  39         unsigned int state;     /* protocol state */
  40
  41         unsigned int toggle;    /* send toggle with next frame */
  42
  43         unsigned int ats_len;
  44         unsigned char ats[256]; /* ATS cannot be bigger than FSD-2 bytes,
  45                                    according to ISO 14443-4 5.2.2 */
  46 };
  47
  48 enum tcl_handle_flags {
  49         TCL_HANDLE_F_NAD_SUPPORTED      = 0x0001,
  50         TCL_HANDLE_F_CID_SUPPORTED      = 0x0002,
  51         TCL_HANDLE_F_NAD_USED           = 0x0010,
  52         TCL_HANDLE_F_CID_USED           = 0x0020,
  53 };
  54
  55
  56 enum tcl_pcb_bits {
  57         TCL_PCB_CID_FOLLOWING           = 0x08,
  58         TCL_PCB_NAD_FOLLOWING           = 0x04,
  59 };
  60
  61 enum tcl_pcd_state {
  62         TCL_STATE_NONE = 0x00,
  63         TCL_STATE_INITIAL,
  64         TCL_STATE_RATS_SENT,            /* waiting for ATS */
  65         TCL_STATE_ATS_RCVD,             /* ATS received */
  66         TCL_STATE_PPS_SENT,             /* waiting for PPS response */
  67         TCL_STATE_ESTABLISHED,          /* xchg transparent data */
  68         TCL_STATE_DESELECT_SENT,        /* waiting for DESELECT response */
  69         TCL_STATE_DESELECTED,           /* card deselected or HLTA'd */
  70 };
  71
  72 extern const struct rfid_protocol rfid_protocol_tcl;
  73
  74 #endif /* __LIBRFID__ */
  75
  76 #endif