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F4KXL_DStarGateway/Common/SlowDataCollector.cpp

112 lines
2.7 KiB

/*
* Copyright (C) 2010,2012,2018 by Jonathan Naylor G4KLX
* Copyright (C) 2021-2022 by Geoffrey Merck F4FXL / KC3FRA
*
* 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.
*/
#include <cassert>
#include <cstring>
#include "SlowDataCollector.h"
#include "Log.h"
const unsigned int SLOW_DATA_BLOCK_LENGTH = 6U;
CSlowDataCollector::CSlowDataCollector(unsigned char slowDataType) :
m_slowDataType(slowDataType),
m_myCall1(),
m_state(SS_FIRST)
{
m_buffer = new unsigned char[SLOW_DATA_BLOCK_LENGTH];
std::memset(m_buffer, 0, SLOW_DATA_BLOCK_LENGTH);
}
CSlowDataCollector::~CSlowDataCollector()
{
delete[] m_buffer;
}
std::string CSlowDataCollector::getMyCall1() const
{
return m_myCall1;
}
void CSlowDataCollector::setMyCall1(const std::string& myCall)
{
m_myCall1 = myCall;
}
std::string CSlowDataCollector::getMyCall2() const
{
return m_myCall2;
}
void CSlowDataCollector::setMyCall2(const std::string& myCall)
{
m_myCall2 = myCall;
}
bool CSlowDataCollector::writeData(const unsigned char* data)
{
assert(data != nullptr);
switch (m_state) {
case SS_FIRST:
m_buffer[0U] = data[0U] ^ SCRAMBLER_BYTE1;
m_buffer[1U] = data[1U] ^ SCRAMBLER_BYTE2;
m_buffer[2U] = data[2U] ^ SCRAMBLER_BYTE3;
m_state = SS_SECOND;
return false;
case SS_SECOND:
m_buffer[3U] = data[0U] ^ SCRAMBLER_BYTE1;
m_buffer[4U] = data[1U] ^ SCRAMBLER_BYTE2;
m_buffer[5U] = data[2U] ^ SCRAMBLER_BYTE3;
m_state = SS_FIRST;
break;
}
if((m_buffer[0] & SLOW_DATA_TYPE_MASK) == m_slowDataType)
return addData(m_buffer + 1U);
return false;
}
void CSlowDataCollector::sync()
{
m_state = SS_FIRST;
}
unsigned int CSlowDataCollector::getData(unsigned char * data, unsigned int length)
{
return getDataInt(data, length);
}
bool CSlowDataCollector::getData(std::string& data)
{
return getDataInt(data);
}
void CSlowDataCollector::reset()
{
m_state = SS_FIRST;
resetInt();
}
unsigned char CSlowDataCollector::getDataType()
{
return m_slowDataType;
}

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