99 lines
3.1 KiB
C
99 lines
3.1 KiB
C
/*-
|
|
* Public platform independent Near Field Communication (NFC) library examples
|
|
*
|
|
* Copyright (C) 2009 Roel Verdult
|
|
* Copyright (C) 2010 Romain Tartière
|
|
* Copyright (C) 2010, 2011, 2012 Romuald Conty
|
|
*
|
|
* 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 nt, bool verbose);
|
|
|
|
#endif
|