/*

    pps.h

    Protocol Parameters Selection

    This file is part of the Unix driver for Towitoko smartcard readers

    Copyright (C) 2000 2001 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.

 */

#ifndef _PPS_

#define _PPS_

#include "defines.h"

/*

 * Exported constants definition

 */

#define PPS_OK			0	/* Negotiation OK */

#define PPS_ICC_ERROR		1	/* Comunication error */

#define PPS_HANDSAKE_ERROR	2	/* Agreement not reached */

#define PPS_PROTOCOL_ERROR	3	/* Error starting protocol */

#define PPS_MAX_LENGTH		6

#define PPS_HAS_PPS1(block)	((block[1] & 0x10) == 0x10)

#define PPS_HAS_PPS2(block)	((block[1] & 0x20) == 0x20)

#define PPS_HAS_PPS3(block)	((block[1] & 0x40) == 0x40)

/*

 * Exported data types definition

 */

typedef struct

{

  double f;

  double d;

  double n;

  BYTE t;

}

PPS_ProtocolParameters;

typedef struct

{

  int icc;

  void *protocol;

  PPS_ProtocolParameters parameters;

}

PPS;

/*

 * Exported functions declaration

 */

int PPS_Exchange (int lun, BYTE * params, /*@out@*/ unsigned *length,

	unsigned char *pps1);

#endif /* _PPS_ */