49 lines
2.3 KiB
C++
49 lines
2.3 KiB
C++
/***************************************************************************
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* Copyright (C) 2022 - 2025 by Federico Amedeo Izzo IU2NUO, *
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* Niccolò Izzo IU2KIN *
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* Frederik Saraci IU2NRO *
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* Silvano Seva IU2KWO *
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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 3 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, see <http://www.gnu.org/licenses/> *
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***************************************************************************/
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#ifndef M17_CONSTANTS_H
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#define M17_CONSTANTS_H
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#include "protocols/M17/M17Datatypes.hpp"
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#include <cstdint>
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#include <array>
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#ifndef __cplusplus
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#error This header is C++ only!
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#endif
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namespace M17
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{
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static constexpr size_t M17_SYMBOL_RATE = 4800;
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static constexpr size_t M17_FRAME_SYMBOLS = 192;
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static constexpr size_t M17_SYNCWORD_SYMBOLS = 8;
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static constexpr size_t M17_FRAME_BYTES = M17_FRAME_SYMBOLS / 4;
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static constexpr syncw_t LSF_SYNC_WORD = {0x55, 0xF7}; // LSF sync word
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static constexpr syncw_t BERT_SYNC_WORD = {0xDF, 0x55}; // BERT data sync word
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static constexpr syncw_t STREAM_SYNC_WORD = {0xFF, 0x5D}; // Stream data sync word
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static constexpr syncw_t PACKET_SYNC_WORD = {0x75, 0xFF}; // Packet data sync word
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static constexpr syncw_t EOT_SYNC_WORD = {0x55, 0x5D}; // End of transmission sync word
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} // namespace M17
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#endif // M17_CONSTANTS_H
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