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82 lines
2.0 KiB
82 lines
2.0 KiB
// SPDX-License-Identifier: GPL-2.0-only
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/**
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* Digital Voice Modem - DFSI Peer Application
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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 / DFSI Peer Application
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* @derivedfrom MMDVMHost (https://github.com/g4klx/MMDVMHost)
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* @license GPLv2 License (https://opensource.org/licenses/GPL-2.0)
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*
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* Copyright (C) 2024 Patrick McDonnell, W3AXL
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* Copyright (C) 2024 Bryan Biedenkapp, N2PLL
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*
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*/
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#include "frames/MotStartOfStream.h"
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#include "common/p25/dfsi/DFSIDefines.h"
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#include "common/Utils.h"
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#include "common/Log.h"
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#include <cassert>
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#include <cstring>
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using namespace p25;
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using namespace dfsi;
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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 instance of the MotStartOfStream class.
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/// </summary>
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MotStartOfStream::MotStartOfStream() :
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m_marker(FIXED_MARKER),
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m_rt(DISABLED),
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m_startStop(START),
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m_streamType(VOICE)
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{
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/* stub */
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}
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/// <summary>
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/// Initializes a instance of the MotStartOfStream class.
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/// </summary>
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/// <param name="data"></param>
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MotStartOfStream::MotStartOfStream(uint8_t* data)
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{
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decode(data);
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}
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/// <summary>
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/// Decode a start of stream frame.
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/// </summary>
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/// <param name="data"></param>
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/// <returns></returns>
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bool MotStartOfStream::decode(const uint8_t* data)
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{
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assert(data != nullptr);
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m_rt = (RTFlag)data[2U];
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m_startStop = (StartStopFlag)data[3U];
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m_streamType = (StreamTypeFlag)data[4U];
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return true;
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}
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/// <summary>
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/// Encode a start of stream frame.
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/// </summary>
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/// <param name="data"></param>
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void MotStartOfStream::encode(uint8_t* data)
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{
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assert(data != nullptr);
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data[0U] = P25_DFSI_MOT_START_STOP;
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data[1U] = FIXED_MARKER;
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data[2U] = (uint8_t)m_rt;
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data[3U] = (uint8_t)m_startStop;
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data[4U] = (uint8_t)m_streamType;
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}
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