61 lines
1.6 KiB
C
61 lines
1.6 KiB
C
/*
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Public platform independent Near Field Communication (NFC) library
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Copyright (C) 2009, Roel Verdult
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This program is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _LIBNFC_BITUTILS_H_
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#define _LIBNFC_BITUTILS_H_
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#include "defines.h"
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#define INNER_XOR8(n) {\
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n ^= (n >> 4); \
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n ^= (n >> 2); \
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n ^= (n >> 1); \
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n &= 0x01; \
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}
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#define INNER_XOR32(n) {\
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n ^= (n >> 16); \
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n ^= (n >> 8); \
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INNER_XOR8(n); \
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}
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#define INNER_XOR64(n) {\
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n ^= (n >> 32); \
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INNER_XOR32(n); \
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}
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byte oddparity(const byte bt);
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void oddparity_bytes(const byte* pbtData, const ui32 uiLen, byte* pbtPar);
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byte mirror(byte bt);
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ui32 mirror32(ui32 ui32Bits);
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ui64 mirror64(ui64 ui64Bits);
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void mirror_bytes(byte *pbts, ui32 uiLen);
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ui32 swap_endian32(const void* pui32);
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ui64 swap_endian64(const void* pui64);
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void append_iso14443a_crc(byte* pbtData, ui32 uiLen);
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void print_hex(const byte* pbtData, const ui32 uiLen);
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void print_hex_par(const byte* pbtData, const ui32 uiBits, const byte* pbtDataPar);
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#endif // _LIBNFC_BITUTILS_H_
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