MMDVM_CM/DSTAR2YSF/CRC.h
2020-11-02 00:11:30 -05:00

41 lines
1.4 KiB
C++

/*
* Copyright (C) 2015,2016 by Jonathan Naylor G4KLX
* Copyright (C) 2018 by Andy Uribe CA6JAU
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#if !defined(CRC_H)
#define CRC_H
class CCRC
{
public:
static bool checkFiveBit(bool* in, unsigned int tcrc);
static void encodeFiveBit(const bool* in, unsigned int& tcrc);
static void addCCITT161(unsigned char* in, unsigned int length);
static void addCCITT162(unsigned char* in, unsigned int length);
static bool checkCCITT161(const unsigned char* in, unsigned int length);
static bool checkCCITT162(const unsigned char* in, unsigned int length);
static unsigned char crc8(const unsigned char* in, unsigned int length);
static unsigned char addCRC(const unsigned char* in, unsigned int length);
};
#endif