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113 lines
3.6 KiB
113 lines
3.6 KiB
/**
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* Digital Voice Modem - Host Software
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* GPLv2 Open Source. Use is subject to license terms.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* @package DVM / Host Software
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*
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*/
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/*
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* Copyright (C) 2022 by Bryan Biedenkapp N2PLL
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#include "Defines.h"
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#include "p25/lc/tsbk/OSP_SCCB_EXP.h"
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#include "Log.h"
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#include "Utils.h"
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using namespace p25::lc::tsbk;
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using namespace p25::lc;
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using namespace p25;
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#include <cassert>
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#include <cmath>
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// ---------------------------------------------------------------------------
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// Public Class Members
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// ---------------------------------------------------------------------------
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/// <summary>
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/// Initializes a new instance of the OSP_SCCB_EXP class.
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/// </summary>
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OSP_SCCB_EXP::OSP_SCCB_EXP() : TSBK(),
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m_sccbChannelId1(0U),
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m_sccbChannelNo(0U)
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{
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m_lco = TSBK_OSP_SCCB_EXP;
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}
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/// <summary>
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/// Decode a trunking signalling block.
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/// </summary>
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/// <param name="data"></param>
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/// <param name="rawTSBK"></param>
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/// <returns>True, if TSBK was decoded, otherwise false.</returns>
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bool OSP_SCCB_EXP::decode(const uint8_t* data, bool rawTSBK)
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{
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assert(data != NULL);
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/* stub */
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return true;
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}
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/// <summary>
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/// Encode a trunking signalling block.
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/// </summary>
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/// <param name="data"></param>
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/// <param name="rawTSBK"></param>
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/// <param name="noTrellis"></param>
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void OSP_SCCB_EXP::encode(uint8_t* data, bool rawTSBK, bool noTrellis)
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{
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assert(data != NULL);
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ulong64_t tsbkValue = 0U;
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tsbkValue = m_siteData.rfssId(); // RF Sub-System ID
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tsbkValue = (tsbkValue << 8) + m_siteData.siteId(); // Site ID
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tsbkValue = (tsbkValue << 4) + m_sccbChannelId1; // Channel (T) ID
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tsbkValue = (tsbkValue << 12) + m_sccbChannelNo; // Channel (T) Number
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tsbkValue = (tsbkValue << 12) + m_sccbChannelId1; // Channel (R) ID
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tsbkValue = (tsbkValue << 12) + m_sccbChannelNo; // Channel (R) Number
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if (m_sccbChannelId1 > 0) {
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tsbkValue = (tsbkValue << 8) + m_siteData.serviceClass(); // System Service Class
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}
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else {
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tsbkValue = (tsbkValue << 8) + (P25_SVC_CLS_INVALID); // System Service Class
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}
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std::unique_ptr<uint8_t[]> tsbk = TSBK::fromValue(tsbkValue);
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TSBK::encode(data, tsbk.get(), rawTSBK, noTrellis);
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}
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// ---------------------------------------------------------------------------
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// Private Class Members
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// ---------------------------------------------------------------------------
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/// <summary>
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/// Internal helper to copy the the class.
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/// </summary>
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/// <param name="data"></param>
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void OSP_SCCB_EXP::copy(const OSP_SCCB_EXP& data)
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{
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TSBK::copy(data);
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m_sccbChannelId1 = data.m_sccbChannelId1;
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m_sccbChannelNo = data.m_sccbChannelNo;
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}
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