Create the D-Star Header class.

DStarHeader.cpp

@@ -0,0 +1,87 @@
+/*
+*   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 "DStarDefines.h"
+#include "DStarHeader.h"
+#include "CRC.h"
+
+#include <cstdio>
+#include <cassert>
+#include <cstring>
+
+CDStarHeader::CDStarHeader(const unsigned char* header) :
+m_header(NULL)
+{
+	assert(header != NULL);
+
+	m_header = new unsigned char[DSTAR_HEADER_LENGTH_BYTES];
+
+	::memcpy(m_header, header, DSTAR_HEADER_LENGTH_BYTES);
+}
+
+CDStarHeader::~CDStarHeader()
+{
+	delete[] m_header;
+}
+
+bool CDStarHeader::isRepeater() const
+{
+	return (m_header[0U] & DSTAR_REPEATER_CONTROL) == DSTAR_REPEATER_CONTROL;
+}
+
+void CDStarHeader::setRepeater(bool on)
+{
+	if (on)
+		m_header[0U] |= DSTAR_REPEATER_CONTROL;
+	else
+		m_header[0U] &= ~DSTAR_REPEATER_CONTROL;
+}
+
+void CDStarHeader::getMyCall1(unsigned char* call1) const
+{
+	::memcpy(call1, m_header + 27U, DSTAR_LONG_CALLSIGN_LENGTH);
+}
+
+void CDStarHeader::getMyCall2(unsigned char* call2) const
+{
+	::memcpy(call2, m_header + 35U, DSTAR_SHORT_CALLSIGN_LENGTH);
+}
+
+void CDStarHeader::getRPTCall1(unsigned char* call1) const
+{
+	::memcpy(call1, m_header + 11U, DSTAR_LONG_CALLSIGN_LENGTH);
+}
+
+void CDStarHeader::getRPTCall2(unsigned char* call2) const
+{
+	::memcpy(call2, m_header + 3U, DSTAR_LONG_CALLSIGN_LENGTH);
+}
+
+void CDStarHeader::getYourCall(unsigned char* call) const
+{
+	::memcpy(call, m_header + 19U, DSTAR_LONG_CALLSIGN_LENGTH);
+}
+
+void CDStarHeader::get(unsigned char* header) const
+{
+	assert(header != NULL);
+
+	::memcpy(header, m_header, DSTAR_HEADER_LENGTH_BYTES);
+
+	CCRC::addCCITT16(header, DSTAR_HEADER_LENGTH_BYTES);
+}