110 lines
2.3 KiB
C++
110 lines
2.3 KiB
C++
/*
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* Copyright (C) 2018 by Jonathan Naylor G4KLX
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*
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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 2 of the License, or
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* (at your option) any later version.
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*
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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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*
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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, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "NXDNFACCH2.h"
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#include "NXDNDefines.h"
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#include "NXDNUDCH.h"
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#include "Utils.h"
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#include "Log.h"
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#include <cstdio>
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#include <cassert>
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#include <cstring>
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const unsigned char BIT_MASK_TABLE[] = { 0x80U, 0x40U, 0x20U, 0x10U, 0x08U, 0x04U, 0x02U, 0x01U };
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#define WRITE_BIT1(p,i,b) p[(i)>>3] = (b) ? (p[(i)>>3] | BIT_MASK_TABLE[(i)&7]) : (p[(i)>>3] & ~BIT_MASK_TABLE[(i)&7])
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#define READ_BIT1(p,i) (p[(i)>>3] & BIT_MASK_TABLE[(i)&7])
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CNXDNFACCH2::CNXDNFACCH2(const CNXDNFACCH2& facch2) :
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m_data(NULL)
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{
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m_data = new unsigned char[23U];
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::memcpy(m_data, facch2.m_data, 23U);
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}
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CNXDNFACCH2::CNXDNFACCH2() :
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m_data(NULL)
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{
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m_data = new unsigned char[23U];
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}
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CNXDNFACCH2::~CNXDNFACCH2()
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{
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delete[] m_data;
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}
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bool CNXDNFACCH2::decode(const unsigned char* data)
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{
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assert(data != NULL);
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CNXDNUDCH udch;
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bool valid = udch.decode(data);
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if (!valid)
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return false;
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udch.getData(m_data);
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return true;
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}
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void CNXDNFACCH2::encode(unsigned char* data) const
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{
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assert(data != NULL);
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CNXDNUDCH udch;
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udch.setData(m_data);
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udch.encode(data);
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}
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unsigned char CNXDNFACCH2::getRAN() const
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{
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return m_data[0U] & 0x3FU;
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}
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void CNXDNFACCH2::getData(unsigned char* data) const
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{
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assert(data != NULL);
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::memcpy(data, m_data + 1U, 22U);
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}
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void CNXDNFACCH2::setRAN(unsigned char ran)
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{
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m_data[0U] &= 0xC0U;
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m_data[0U] |= ran;
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}
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void CNXDNFACCH2::setData(const unsigned char* data)
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{
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assert(data != NULL);
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::memcpy(m_data + 1U, data, 22U);
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}
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CNXDNFACCH2& CNXDNFACCH2::operator=(const CNXDNFACCH2& facch2)
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{
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if (&facch2 != this)
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::memcpy(m_data, facch2.m_data, 23U);
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return *this;
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}
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