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61 lines
2.1 KiB
61 lines
2.1 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 Bryan Biedenkapp, N2PLL
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*
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*/
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#if !defined(__START_OF_STREAM_H__)
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#define __START_OF_STREAM_H__
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#include "Defines.h"
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#include "common/Defines.h"
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#include "common/Log.h"
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#include "common/Utils.h"
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#include "frames/FrameDefines.h"
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namespace p25
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{
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namespace dfsi
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{
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// ---------------------------------------------------------------------------
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// Class Declaration
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// Implements a P25 DFSI start of stream packet.
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//
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// Byte 0 1 2
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// Bit 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0 7 6 5 4 3 2 1 0
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// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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// | NID | Rsvd | Err C |
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// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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// ---------------------------------------------------------------------------
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class HOST_SW_API StartOfStream {
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public:
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static const uint8_t LENGTH = 4;
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/// <summary>Initializes a copy instance of the StartOfStream class.</summary>
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StartOfStream();
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/// <summary>Initializes a copy instance of the StartOfStream class.</summary>
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StartOfStream(uint8_t* data);
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/// <summary>Decode a start of stream frame.</summary>
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bool decode(const uint8_t* data);
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/// <summary>Encode a start of stream frame.</summary>
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void encode(uint8_t* data);
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public:
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/// <summary>Network Identifier.</summary>
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__PROPERTY(uint16_t, nid, NID);
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/// <summary>Error count.</summary>
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__PROPERTY(uint8_t, errorCount, ErrorCount);
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};
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} // namespace dfsi
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} // namespace p25
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#endif // __START_OF_STREAM_H__
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