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Revert "Amalgamate the two Trellis implementations and small cleanups."

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This reverts commit ec9f7d7496.
This commit is contained in:
Jonathan Naylor
2024-10-04 17:14:36 +01:00
parent ec9f7d7496
commit ebea3eddb2
20 changed files with 538 additions and 134 deletions
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43
P25Trellis.h Normal file
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/*
* Copyright (C) 2016,2018 by Jonathan Naylor, G4KLX
*
* 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; version 2 of the License.
*
* 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.
*/
#ifndef P25Trellis_H
#define P25Trellis_H
class CP25Trellis {
public:
CP25Trellis();
~CP25Trellis();
bool decode34(const unsigned char* data, unsigned char* payload);
void encode34(const unsigned char* payload, unsigned char* data);
bool decode12(const unsigned char* data, unsigned char* payload);
void encode12(const unsigned char* payload, unsigned char* data);
private:
void deinterleave(const unsigned char* in, signed char* dibits) const;
void interleave(const signed char* dibits, unsigned char* out) const;
void dibitsToPoints(const signed char* dibits, unsigned char* points) const;
void pointsToDibits(const unsigned char* points, signed char* dibits) const;
void bitsToTribits(const unsigned char* payload, unsigned char* tribits) const;
void bitsToDibits(const unsigned char* payload, unsigned char* dibits) const;
void tribitsToBits(const unsigned char* tribits, unsigned char* payload) const;
void dibitsToBits(const unsigned char* dibits, unsigned char* payload) const;
bool fixCode34(unsigned char* points, unsigned int failPos, unsigned char* payload) const;
unsigned int checkCode34(const unsigned char* points, unsigned char* tribits) const;
bool fixCode12(unsigned char* points, unsigned int failPos, unsigned char* payload) const;
unsigned int checkCode12(const unsigned char* points, unsigned char* dibits) const;
};
#endif