/* * Copyright (C) 2016,2017 by Jonathan Naylor G4KLX * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. */ #if !defined(YSFDEFINES_H) #define YSFDEFINES_H const unsigned int YSF_RADIO_SYMBOL_LENGTH = 5U; // At 24 kHz sample rate const unsigned int YSF_FRAME_LENGTH_BYTES = 120U; const unsigned int YSF_FRAME_LENGTH_BITS = YSF_FRAME_LENGTH_BYTES * 8U; const unsigned int YSF_FRAME_LENGTH_SYMBOLS = YSF_FRAME_LENGTH_BYTES * 4U; const unsigned int YSF_FRAME_LENGTH_SAMPLES = YSF_FRAME_LENGTH_SYMBOLS * YSF_RADIO_SYMBOL_LENGTH; const unsigned int YSF_SYNC_LENGTH_BYTES = 5U; const unsigned int YSF_SYNC_LENGTH_BITS = YSF_SYNC_LENGTH_BYTES * 8U; const unsigned int YSF_SYNC_LENGTH_SYMBOLS = YSF_SYNC_LENGTH_BYTES * 4U; const unsigned int YSF_SYNC_LENGTH_SAMPLES = YSF_SYNC_LENGTH_SYMBOLS * YSF_RADIO_SYMBOL_LENGTH; const unsigned int YSF_FICH_LENGTH_BITS = 200U; const unsigned int YSF_FICH_LENGTH_SYMBOLS = 100U; const unsigned int YSF_FICH_LENGTH_SAMPLES = YSF_FICH_LENGTH_SYMBOLS * YSF_RADIO_SYMBOL_LENGTH; const uint8_t YSF_SYNC_BYTES[] = {0xD4U, 0x71U, 0xC9U, 0x63U, 0x4DU}; const uint8_t YSF_SYNC_BYTES_LENGTH = 5U; const uint64_t YSF_SYNC_BITS = 0x000000D471C9634DU; const uint64_t YSF_SYNC_BITS_MASK = 0x000000FFFFFFFFFFU; // D 4 7 1 C 9 6 3 4 D // 11 01 01 00 01 11 00 01 11 00 10 01 01 10 00 11 01 00 11 01 // -3 +3 +3 +1 +3 -3 +1 +3 -3 +1 -1 +3 +3 -1 +3 -3 +3 +1 -3 +3 const int8_t YSF_SYNC_SYMBOLS_VALUES[] = {-3, +3, +3, +1, +3, -3, +1, +3, -3, +1, -1, +3, +3, -1, +3, -3, +3, +1, -3, +3}; const uint32_t YSF_SYNC_SYMBOLS = 0x0007B5ADU; const uint32_t YSF_SYNC_SYMBOLS_MASK = 0x000FFFFFU; #endif