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87 lines
3.8 KiB
87 lines
3.8 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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#if !defined(__MOT_VOICE_HEADER_1_H__)
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#define __MOT_VOICE_HEADER_1_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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#include "frames/MotStartOfStream.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 Motorola voice header frame 1.
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//
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// Byte 0 1 2 3
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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 7 6 5 4 3 2 1 0
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// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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// | Encoded Motorola Start of Stream |
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// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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// | ICW Flag ? | RSSI | RSSI Valid | RSSI |
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// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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// | Header Control Word |
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// + +
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// | |
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// + +
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// | |
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// + +
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// | |
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// + +
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// | |
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// +-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+-+
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// | Src Flag |
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// +-+-+-+-+-+-+-+-+
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// ---------------------------------------------------------------------------
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class HOST_SW_API MotVoiceHeader1 {
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public:
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static const uint8_t LENGTH = 30;
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static const uint8_t HCW_LENGTH = 21;
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/// <summary>Initializes a copy instance of the MotVoiceHeader1 class.</summary>
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MotVoiceHeader1();
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/// <summary>Initializes a copy instance of the MotVoiceHeader1 class.</summary>
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MotVoiceHeader1(uint8_t* data);
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/// <summary>Finalizes a instance of the MotVoiceHeader1 class.</summary>
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~MotVoiceHeader1();
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/// <summary>Decode a voice header 1 frame.</summary>
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bool decode(const uint8_t* data);
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/// <summary>Encode a voice header 1 frame.</summary>
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void encode(uint8_t* data);
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public:
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uint8_t* header; // ?? - this should probably be private with getters/setters
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MotStartOfStream* startOfStream; // ?? - this should probably be private with getters/setters
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/// <summary></summary>
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__PROPERTY(ICWFlag::E, icw, ICW);
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/// <summary></summary>
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__PROPERTY(uint8_t, rssi, RSSI);
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/// <summary></summary>
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__PROPERTY(RssiValidityFlag::E, rssiValidity, RSSIValidity);
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/// <summary></summary>
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__PROPERTY(uint8_t, nRssi, NRSSI);
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};
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} // namespace dfsi
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} // namespace p25
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#endif // __MOT_VOICE_HEADER_1_H__
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