libnfc/examples/nfc-utils.h

/*-
 * Public platform independent Near Field Communication (NFC) library examples
 * 
 * Copyright (C) 2009, Roel Verdult
 * Copyright (C) 2010, Romuald Conty, Romain Tartière
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 *  1) Redistributions of source code must retain the above copyright notice,
 *  this list of conditions and the following disclaimer. 
 *  2 )Redistributions in binary form must reproduce the above copyright
 *  notice, this list of conditions and the following disclaimer in the
 *  documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
 * POSSIBILITY OF SUCH DAMAGE.
 * 
 * Note that this license only applies on the examples, NFC library itself is under LGPL
 *
 */

/**
 * @file nfc-utils.h
 * @brief Provide some examples shared functions like print, parity calculation, options parsing.
 */

#ifndef _EXAMPLES_NFC_UTILS_H_
#  define _EXAMPLES_NFC_UTILS_H_

#  include <stdlib.h>
#  include <string.h>

/**
 * @macro DBG
 * @brief Print a message of standard output only in DEBUG mode
 */
#ifdef DEBUG
//   #define DBG(x, args...) printf("DBG %s:%d: " x "\n", __FILE__, __LINE__,## args )
#  define DBG(...) do { \
    warnx ("DBG %s:%d", __FILE__, __LINE__); \
    warnx ("    " __VA_ARGS__ ); \
  } while (0)
#else
#  define DBG(...) {}
#endif

/**
 * @macro WARN
 * @brief Print a warn message
 */
#  define WARN(...) do { \
    warnx ("WARNING %s:%d", __FILE__, __LINE__); \
    warnx ("    " __VA_ARGS__ ); \
  } while (0)
#else
#  define WARN(...) warnx ("WARNING: " __VA_ARGS__ )
#endif

/**
 * @macro ERR
 * @brief Print a error message
 */
#  define ERR(...) do { \
    warnx ("ERROR %s:%d", __FILE__, __LINE__); \
    warnx ("    " __VA_ARGS__ ); \
  } while (0)
#else
#  define ERR(...)  warnx ("ERROR: " __VA_ARGS__ )
#endif

byte_t  oddparity (const byte_t bt);
void    oddparity_byte_ts (const byte_t * pbtData, const size_t szLen, byte_t * pbtPar);

void    print_hex (const byte_t * pbtData, const size_t szLen);
void    print_hex_bits (const byte_t * pbtData, const size_t szBits);
void    print_hex_par (const byte_t * pbtData, const size_t szBits, const byte_t * pbtDataPar);

void    print_nfc_iso14443a_info (const nfc_iso14443a_info_t nai, bool verbose);
void    print_nfc_iso14443b_info (const nfc_iso14443b_info_t nbi, bool verbose);
void    print_nfc_felica_info (const nfc_felica_info_t nfi, bool verbose);
void    print_nfc_jewel_info (const nfc_jewel_info_t nji, bool verbose);
void    print_nfc_dep_info (const nfc_dep_info_t ndi, bool verbose);

void    print_nfc_target (const nfc_target_t nt, bool verbose);

nfc_device_desc_t *parse_args (int argc, const char *argv[], size_t * szFound, bool * verbose);

#endif