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85 lines
2.8 KiB
85 lines
2.8 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 "dmr/lc/csbk/CSBK_PD_GRANT.h"
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#include "Log.h"
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#include "Utils.h"
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using namespace dmr::lc::csbk;
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using namespace dmr::lc;
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using namespace dmr;
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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 CSBK_PD_GRANT class.
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/// </summary>
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CSBK_PD_GRANT::CSBK_PD_GRANT() : CSBK()
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{
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m_CSBKO = CSBKO_PD_GRANT;
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}
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/// <summary>
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/// Decode a control signalling block.
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/// </summary>
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/// <param name="data"></param>
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/// <returns>True, if CSBK was decoded, otherwise false.</returns>
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bool CSBK_PD_GRANT::decode(const uint8_t* data)
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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 control signalling block.
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/// </summary>
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/// <param name="data"></param>
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void CSBK_PD_GRANT::encode(uint8_t* data)
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{
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assert(data != NULL);
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ulong64_t csbkValue = 0U;
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csbkValue = (csbkValue << 12) + (m_logicalCh1 & 0xFFFU); // Logical Physical Channel 1
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csbkValue = (csbkValue << 1) + (m_slotNo & 0x3U); // Logical Slot Number
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csbkValue = (csbkValue << 1) + 0U; // High Rate Flag - Always Single Slot Data
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csbkValue = (csbkValue << 1) + ((m_emergency) ? 1U : 0U); // Emergency
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csbkValue = (csbkValue << 1) + ((m_siteOffsetTiming) ? 1U : 0U); // Site Timing: Aligned or Offset
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csbkValue = (csbkValue << 24) + m_dstId; // Talkgroup ID
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csbkValue = (csbkValue << 24) + m_srcId; // Source Radio Address
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std::unique_ptr<uint8_t[]> csbk = CSBK::fromValue(csbkValue);
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CSBK::encode(data, csbk.get());
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}
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