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