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- /*-
- * Free/Libre Near Field Communication (NFC) library
- *
- * Libnfc historical contributors:
- * Copyright (C) 2009 Roel Verdult
- * Copyright (C) 2009-2013 Romuald Conty
- * Copyright (C) 2010-2012 Romain Tartière
- * Copyright (C) 2010-2013 Philippe Teuwen
- * Copyright (C) 2012-2013 Ludovic Rousseau
- * Additional contributors of this file:
- *
- * 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>
- # include <err.h>
-
- /**
- * @macro DBG
- * @brief Print a message of standard output only in DEBUG mode
- */
- #ifdef DEBUG
- # 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
- */
- #ifdef DEBUG
- # 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
- */
- #ifdef DEBUG
- # define ERR(...) do { \
- warnx ("ERROR %s:%d", __FILE__, __LINE__); \
- warnx (" " __VA_ARGS__ ); \
- } while (0)
- #else
- # define ERR(...) warnx ("ERROR: " __VA_ARGS__ )
- #endif
-
- #ifndef MIN
- #define MIN(a,b) (((a) < (b)) ? (a) : (b))
- #endif
- #ifndef MAX
- #define MAX(a,b) (((a) > (b)) ? (a) : (b))
- #endif
-
- uint8_t oddparity(const uint8_t bt);
- void oddparity_bytes_ts(const uint8_t *pbtData, const size_t szLen, uint8_t *pbtPar);
-
- void print_hex(const uint8_t *pbtData, const size_t szLen);
- void print_hex_bits(const uint8_t *pbtData, const size_t szBits);
- void print_hex_par(const uint8_t *pbtData, const size_t szBits, const uint8_t *pbtDataPar);
-
- void print_nfc_target(const nfc_target *pnt, bool verbose);
-
- #endif
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