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dvmhost/p25/lc/tdulc/LC_GROUP_UPDT.cpp

86 lines
2.8 KiB

/**
* Digital Voice Modem - Host Software
* GPLv2 Open Source. Use is subject to license terms.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* @package DVM / Host Software
*
*/
/*
* Copyright (C) 2022 by Bryan Biedenkapp N2PLL
*
* 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 "Defines.h"
#include "p25/lc/tdulc/LC_GROUP_UPDT.h"
#include "Log.h"
#include "Utils.h"
using namespace p25::lc::tdulc;
using namespace p25::lc;
using namespace p25;
#include <cassert>
#include <cmath>
// ---------------------------------------------------------------------------
// Public Class Members
// ---------------------------------------------------------------------------
/// <summary>
/// Initializes a new instance of the LC_GROUP_UPDT class.
/// </summary>
LC_GROUP_UPDT::LC_GROUP_UPDT() : TDULC()
{
m_lco = p25::LC_GROUP_UPDT;
}
/// <summary>
/// Decode a terminator data unit w/ link control.
/// </summary>
/// <param name="data"></param>
/// <returns>True, if TDULC was decoded, otherwise false.</returns>
bool LC_GROUP_UPDT::decode(const uint8_t* data)
{
assert(data != NULL);
/* stub */
return true;
}
/// <summary>
/// Encode a terminator data unit w/ link control.
/// </summary>
/// <param name="data"></param>
void LC_GROUP_UPDT::encode(uint8_t* data)
{
assert(data != NULL);
ulong64_t rsValue = 0U;
m_implicit = true;
rsValue = m_siteData.channelId(); // Group A - Channel ID
rsValue = (rsValue << 12) + m_grpVchNo; // Group A - Channel Number
rsValue = (rsValue << 16) + m_dstId; // Group A - Talkgroup Address
rsValue = (rsValue << 4) + m_siteData.channelId(); // Group B - Channel ID
rsValue = (rsValue << 12) + m_grpVchNo; // Group B - Channel Number
rsValue = (rsValue << 16) + m_dstId; // Group B - Talkgroup Address
std::unique_ptr<uint8_t[]> rs = TDULC::fromValue(rsValue);
TDULC::encode(data, rs.get());
}

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