Allow the modem to host a serial display.

ModemSerialPort.cpp

@@ -0,0 +1,59 @@
+/*
+*   Copyright (C) 2016 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>
+
+CModemSerialPort::CModemSerialPort(CModem* modem) :
+m_modem(modem)
+{
+	assert(modem != NULL);
+}
+
+CModemSerialPort::~CModemSerialPort()
+{
+}
+
+bool CModemSerialPort::open()
+{
+	return true;
+}
+
+int CModemSerialPort::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;
+}
+
+int CModemSerialPort::read(unsigned char* data, unsigned int length)
+{
+	assert(data != NULL);
+	assert(length > 0U);
+
+	return m_modem->readSerial(data, length);
+}
+
+void CModemSerialPort::close()
+{
+}