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https://github.com/g4klx/MMDVM.git
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694b83123a
In to NXDN possible problem on sinc filter anc isinc filter, think they must be recalculated but do not know how to do it. On D-STAR, DMR, C4FM and P25 it work.
69 lines
3.3 KiB
C
69 lines
3.3 KiB
C
/*
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* Copyright (C) 2009-2015,2017 by Jonathan Naylor G4KLX
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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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#if !defined(DSTARDEFINES_H)
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#define DSTARDEFINES_H
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const unsigned int DSTAR_RADIO_SYMBOL_LENGTH = 10U; // At 48 kHz sample rate
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const unsigned int DSTAR_HEADER_LENGTH_BYTES = 41U;
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const unsigned int DSTAR_FEC_SECTION_LENGTH_BYTES = 83U;
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const unsigned int DSTAR_FEC_SECTION_LENGTH_SYMBOLS = 660U;
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const unsigned int DSTAR_FEC_SECTION_LENGTH_SAMPLES = DSTAR_FEC_SECTION_LENGTH_SYMBOLS * DSTAR_RADIO_SYMBOL_LENGTH;
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const unsigned int DSTAR_DATA_LENGTH_BYTES = 12U;
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const unsigned int DSTAR_DATA_LENGTH_SYMBOLS = DSTAR_DATA_LENGTH_BYTES * 8U;
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const unsigned int DSTAR_DATA_LENGTH_SAMPLES = DSTAR_DATA_LENGTH_SYMBOLS * DSTAR_RADIO_SYMBOL_LENGTH;
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const unsigned int DSTAR_END_SYNC_LENGTH_BYTES = 6U;
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const unsigned int DSTAR_END_SYNC_LENGTH_BITS = DSTAR_END_SYNC_LENGTH_BYTES * 8U;
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const unsigned int DSTAR_FRAME_SYNC_LENGTH_BYTES = 3U;
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const unsigned int DSTAR_FRAME_SYNC_LENGTH_SYMBOLS = DSTAR_FRAME_SYNC_LENGTH_BYTES * 8U;
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const unsigned int DSTAR_FRAME_SYNC_LENGTH_SAMPLES = DSTAR_FRAME_SYNC_LENGTH_SYMBOLS * DSTAR_RADIO_SYMBOL_LENGTH;
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const unsigned int DSTAR_DATA_SYNC_LENGTH_BYTES = 3U;
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const unsigned int DSTAR_DATA_SYNC_LENGTH_SYMBOLS = DSTAR_DATA_SYNC_LENGTH_BYTES * 8U;
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const unsigned int DSTAR_DATA_SYNC_LENGTH_SAMPLES = DSTAR_DATA_SYNC_LENGTH_SYMBOLS * DSTAR_RADIO_SYMBOL_LENGTH;
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const uint8_t DSTAR_DATA_SYNC_BYTES[] = {0x9E, 0x8D, 0x32, 0x88, 0x26, 0x1A, 0x3F, 0x61, 0xE8, 0x55, 0x2D, 0x16};
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// D-Star bit order version of 0x55 0x6E 0x0A
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const uint32_t DSTAR_FRAME_SYNC_DATA = 0x00557650U;
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const uint32_t DSTAR_FRAME_SYNC_MASK = 0x00FFFFFFU;
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const bool DSTAR_FRAME_SYNC_SYMBOLS[] = {false, true, false, true, false, true, false, true, false, true, true, true, false, true, true, false, false, true, false, true, false, false, false, false};
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// D-Star bit order version of 0x55 0x2D 0x16
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const uint32_t DSTAR_DATA_SYNC_DATA = 0x00AAB468U;
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const uint32_t DSTAR_DATA_SYNC_MASK = 0x00FFFFFFU;
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const bool DSTAR_DATA_SYNC_SYMBOLS[] = {true, false, true, false, true, false, true, false, true, false, true, true, false, true, false, false, false, true, true, false, true, false, false, false};
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// D-Star bit order version of 0x55 0x55 0xC8 0x7A
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const uint32_t DSTAR_END_SYNC_DATA = 0xAAAA135EU;
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const uint32_t DSTAR_END_SYNC_MASK = 0xFFFFFFFFU;
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const uint8_t DSTAR_END_SYNC_BYTES[] = {0x55, 0x55, 0x55, 0x55, 0xC8, 0x7A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00};
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const uint8_t DSTAR_SLOW_DATA_TYPE_TEXT = 0x40U;
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const uint8_t DSTAR_SLOW_DATA_TYPE_HEADER = 0x50U;
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const uint8_t DSTAR_SCRAMBLER_BYTES[] = {0x70U, 0x4FU, 0x93U};
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#endif
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