MMDVMHost-Private/ModemSerialPort.cpp

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/*
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* Copyright (C) 2016,2020,2021 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; 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 "ModemSerialPort.h"
#include <cstdio>
#include <cassert>
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IModemSerialPort::IModemSerialPort(CModem* modem) :
m_modem(modem)
{
assert(modem != NULL);
}
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IModemSerialPort::~IModemSerialPort()
{
}
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bool IModemSerialPort::open()
{
return true;
}
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int IModemSerialPort::write(const unsigned char* data, unsigned int length)
{
assert(data != NULL);
assert(length > 0U);
bool ret = m_modem->writeSerial(data, length);
return ret ? int(length) : -1;
}
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int IModemSerialPort::read(unsigned char* data, unsigned int length)
{
assert(data != NULL);
assert(length > 0U);
return m_modem->readSerial(data, length);
}
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void IModemSerialPort::close()
{
}