/*
    protocol_t1.h
    ISO 7816 T=1 Transport Protocol definitions 

    This file is part of the Unix driver for Towitoko smartcard readers
    Copyright (C) 2000 Carlos Prados <cprados@yahoo.com>

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Lesser General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Lesser General Public License for more details.

    You should have received a copy of the GNU Lesser General Public
    License along with this library; if not, write to the Free Software
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
*/

#ifndef _PROTOCOL_T1_
#define _PROTOCOL_T1_

#include "defines.h"
#include "icc_async.h"
#include "apdu.h"
#include "pps.h"

/*
 * Exported constants definition
 */

/* Return codes */
#define PROTOCOL_T1_OK                  0       /* Command OK */
#define PROTOCOL_T1_ICC_ERROR           2       /* ICC comunication error */
#define PROTOCOL_T1_ERROR               4       /* T=1 Protocol Error */
#define PROTOCOL_T1_NOT_IMPLEMENTED     7       /* Feture not implemented */

/*
 * Exported datatypes definition
 */

/* T=1 Protocol context */
typedef struct
{
  ICC_Async *icc;       /* Asynchronous integrated cirtuit card */
  unsigned short ifsc;  /* Information field size for the ICC */
  unsigned short ifsd;  /* Information field size for the IFD */
  unsigned short bgt;   /* Block guard time */
  unsigned short bwt;   /* Block waiting time */
  unsigned short cwt;   /* Character waiting time */
  int edc;              /* Type of error detection code */
  BYTE ns;              /* Send sequence number */
}
Protocol_T1;

/*
 * Exported functions declaration
 */

/* Create a new protocol handler */
extern Protocol_T1 * 
Protocol_T1_New (void);

/* Delete a protocol handler */
extern void 
Protocol_T1_Delete (Protocol_T1 * t1);

/* Initialise a protocol handler */
extern int 
Protocol_T1_Init (Protocol_T1 * t1, ICC_Async * icc, PPS_ProtocolParameters * params);

/* Send a command and return a response */
extern int
Protocol_T1_Command (Protocol_T1 * t1, APDU_Cmd * cmd, APDU_Rsp ** rsp);

/* Close a protocol handler */
extern int 
Protocol_T1_Close (Protocol_T1 * t1);

#endif /* _PROTOCOL_T1_ */