/** * Digital Voice Modem - DSP Firmware (Hotspot) * GPLv2 Open Source. Use is subject to license terms. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * @package DVM / DSP Firmware (Hotspot) * */ // // Based on code from the MMDVM_HS project. (https://github.com/juribeparada/MMDVM_HS) // Licensed under the GPLv2 License (https://opensource.org/licenses/GPL-2.0) // /* * Copyright (C) 2009-2016 by Jonathan Naylor G4KLX * Copyright (C) 2018 by Andy Uribe CA6JAU * Copyright (C) 2017-2018 Bryan Biedenkapp N2PLL * * 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. */ /* * Copyright (C) 2016 by Jonathan Naylor G4KLX * Copyright (C) 2018 by Andy Uribe CA6JAU * * 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(__P25_DEFINES_H__) #define __P25_DEFINES_H__ #include "Defines.h" namespace p25 { // --------------------------------------------------------------------------- // Constants // --------------------------------------------------------------------------- const uint32_t P25_RADIO_SYMBOL_LENGTH = 5U; // At 24 kHz sample rate const uint32_t P25_HDU_FRAME_LENGTH_BYTES = 99U; const uint32_t P25_HDU_FRAME_LENGTH_BITS = P25_HDU_FRAME_LENGTH_BYTES * 8U; const uint32_t P25_HDU_FRAME_LENGTH_SYMBOLS = P25_HDU_FRAME_LENGTH_BYTES * 4U; const uint32_t P25_HDU_FRAME_LENGTH_SAMPLES = P25_HDU_FRAME_LENGTH_SYMBOLS * P25_RADIO_SYMBOL_LENGTH; const uint32_t P25_TDU_FRAME_LENGTH_BYTES = 18U; const uint32_t P25_TDU_FRAME_LENGTH_BITS = P25_TDU_FRAME_LENGTH_BYTES * 8U; const uint32_t P25_TDU_FRAME_LENGTH_SYMBOLS = P25_TDU_FRAME_LENGTH_BYTES * 4U; const uint32_t P25_TDU_FRAME_LENGTH_SAMPLES = P25_TDU_FRAME_LENGTH_SYMBOLS * P25_RADIO_SYMBOL_LENGTH; const uint32_t P25_LDU_FRAME_LENGTH_BYTES = 216U; const uint32_t P25_LDU_FRAME_LENGTH_BITS = P25_LDU_FRAME_LENGTH_BYTES * 8U; const uint32_t P25_LDU_FRAME_LENGTH_SYMBOLS = P25_LDU_FRAME_LENGTH_BYTES * 4U; const uint32_t P25_LDU_FRAME_LENGTH_SAMPLES = P25_LDU_FRAME_LENGTH_SYMBOLS * P25_RADIO_SYMBOL_LENGTH; const uint32_t P25_TSDU_FRAME_LENGTH_BYTES = 45U; const uint32_t P25_TSDU_FRAME_LENGTH_BITS = P25_TSDU_FRAME_LENGTH_BYTES * 8U; const uint32_t P25_TSDU_FRAME_LENGTH_SYMBOLS = P25_TSDU_FRAME_LENGTH_BYTES * 4U; const uint32_t P25_TSDU_FRAME_LENGTH_SAMPLES = P25_TSDU_FRAME_LENGTH_SYMBOLS * P25_RADIO_SYMBOL_LENGTH; const uint32_t P25_TDULC_FRAME_LENGTH_BYTES = 54U; const uint32_t P25_TDULC_FRAME_LENGTH_BITS = P25_TDULC_FRAME_LENGTH_BYTES * 8U; const uint32_t P25_TDULC_FRAME_LENGTH_SYMBOLS = P25_TDULC_FRAME_LENGTH_BYTES * 4U; const uint32_t P25_TDULC_FRAME_LENGTH_SAMPLES = P25_TDULC_FRAME_LENGTH_SYMBOLS * P25_RADIO_SYMBOL_LENGTH; const uint32_t P25_SYNC_LENGTH_BYTES = 6U; const uint32_t P25_SYNC_LENGTH_BITS = P25_SYNC_LENGTH_BYTES * 8U; const uint32_t P25_SYNC_LENGTH_SYMBOLS = P25_SYNC_LENGTH_BYTES * 4U; const uint32_t P25_SYNC_LENGTH_SAMPLES = P25_SYNC_LENGTH_SYMBOLS * P25_RADIO_SYMBOL_LENGTH; const uint32_t P25_NID_LENGTH_BYTES = 2U; const uint32_t P25_NID_LENGTH_BITS = P25_NID_LENGTH_BYTES * 8U; const uint32_t P25_NID_LENGTH_SYMBOLS = P25_NID_LENGTH_BYTES * 4U; const uint32_t P25_NID_LENGTH_SAMPLES = P25_NID_LENGTH_SYMBOLS * P25_RADIO_SYMBOL_LENGTH; const uint32_t P25_PDU_HDU_FRAME_LENGTH_BYTES = 39U; const uint32_t P25_PDU_HDU_FRAME_LENGTH_BITS = P25_PDU_HDU_FRAME_LENGTH_BYTES * 8U; const uint32_t P25_PDU_HDU_FRAME_LENGTH_SYMBOLS = P25_PDU_HDU_FRAME_LENGTH_BYTES * 4U; const uint32_t P25_PDU_HDU_FRAME_LENGTH_SAMPLES = P25_PDU_HDU_FRAME_LENGTH_SYMBOLS * P25_RADIO_SYMBOL_LENGTH; const uint8_t P25_SYNC_BYTES[] = { 0x55U, 0x75U, 0xF5U, 0xFFU, 0x77U, 0xFFU }; const uint8_t P25_SYNC_BYTES_LENGTH = 6U; const uint8_t P25_START_SYNC = 0x5FU; const uint8_t P25_NULL = 0x00U; const uint8_t P25_TEST_PATTERN[] = { 0x55, 0xFF }; const uint8_t P25_TEST_PATTERN_LENGTH = 2U; const ulong64_t P25_SYNC_BITS = 0x00005575F5FF77FFU; const ulong64_t P25_SYNC_BITS_MASK = 0x0000FFFFFFFFFFFFU; // 5 5 7 5 F 5 F F 7 7 F F // 01 01 01 01 01 11 01 01 11 11 01 01 11 11 11 11 01 11 01 11 11 11 11 11 // +3 +3 +3 +3 +3 -3 +3 +3 -3 -3 +3 +3 -3 -3 -3 -3 +3 -3 +3 -3 -3 -3 -3 -3 const int8_t P25_SYNC_SYMBOLS_VALUES[] = { +3, +3, +3, +3, +3, -3, +3, +3, -3, -3, +3, +3, -3, -3, -3, -3, +3, -3, +3, -3, -3, -3, -3, -3 }; const uint32_t P25_SYNC_SYMBOLS = 0x00FB30A0U; const uint32_t P25_SYNC_SYMBOLS_MASK = 0x00FFFFFFU; // 442 = P25_LDU_FRAME_LENGTH_BYTES * 2 + 10 (BUFFER_LEN = P25_LDU_FRAME_LENGTH_BYTES * NO_OF_FRAMES + 10) const uint32_t P25_TX_BUFFER_LEN = 442U; // 2 frames + pad // Data Unit ID(s) const uint8_t P25_DUID_HDU = 0x00U; // Header Data Unit const uint8_t P25_DUID_TDU = 0x03U; // Simple Terminator Data Unit const uint8_t P25_DUID_LDU1 = 0x05U; // Logical Link Data Unit 1 const uint8_t P25_DUID_TSDU = 0x07U; // Trunking System Data Unit const uint8_t P25_DUID_LDU2 = 0x0AU; // Logical Link Data Unit 2 const uint8_t P25_DUID_PDU = 0x0CU; // Packet Data Unit const uint8_t P25_DUID_TDULC = 0x0FU; // Terminator Data Unit with Link Control } // namespace p25 #endif // __P25_DEFINES_H__