104 lines
3.3 KiB
C
104 lines
3.3 KiB
C
/*-
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* Free/Libre Near Field Communication (NFC) library
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*
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* Libnfc historical contributors:
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* Copyright (C) 2009 Roel Verdult
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* Copyright (C) 2009-2013 Romuald Conty
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* Copyright (C) 2010-2012 Romain Tartière
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* Copyright (C) 2010-2013 Philippe Teuwen
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* Copyright (C) 2012-2013 Ludovic Rousseau
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* Additional contributors of this file:
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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* 1) Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* 2 )Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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* Note that this license only applies on the examples, NFC library itself is under LGPL
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*
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*/
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/**
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* @file nfc-utils.h
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* @brief Provide some examples shared functions like print, parity calculation, options parsing.
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*/
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#ifndef _EXAMPLES_NFC_UTILS_H_
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# define _EXAMPLES_NFC_UTILS_H_
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# include <stdlib.h>
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# include <string.h>
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# include <err.h>
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/**
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* @macro DBG
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* @brief Print a message of standard output only in DEBUG mode
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*/
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#ifdef DEBUG
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# define DBG(...) do { \
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warnx ("DBG %s:%d", __FILE__, __LINE__); \
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warnx (" " __VA_ARGS__ ); \
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} while (0)
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#else
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# define DBG(...) {}
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#endif
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/**
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* @macro WARN
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* @brief Print a warn message
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*/
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#ifdef DEBUG
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# define WARN(...) do { \
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warnx ("WARNING %s:%d", __FILE__, __LINE__); \
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warnx (" " __VA_ARGS__ ); \
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} while (0)
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#else
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# define WARN(...) warnx ("WARNING: " __VA_ARGS__ )
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#endif
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/**
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* @macro ERR
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* @brief Print a error message
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*/
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#ifdef DEBUG
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# define ERR(...) do { \
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warnx ("ERROR %s:%d", __FILE__, __LINE__); \
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warnx (" " __VA_ARGS__ ); \
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} while (0)
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#else
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# define ERR(...) warnx ("ERROR: " __VA_ARGS__ )
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#endif
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#ifndef MIN
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#define MIN(a,b) (((a) < (b)) ? (a) : (b))
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#endif
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#ifndef MAX
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#define MAX(a,b) (((a) > (b)) ? (a) : (b))
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#endif
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uint8_t oddparity(const uint8_t bt);
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void oddparity_bytes_ts(const uint8_t *pbtData, const size_t szLen, uint8_t *pbtPar);
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void print_hex(const uint8_t *pbtData, const size_t szLen);
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void print_hex_bits(const uint8_t *pbtData, const size_t szBits);
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void print_hex_par(const uint8_t *pbtData, const size_t szBits, const uint8_t *pbtDataPar);
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void print_nfc_target(const nfc_target *pnt, bool verbose);
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#endif
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