g4klx/MMDVM
1
0
Fork 0
mirror of https://github.com/g4klx/MMDVM.git synced 2026-04-20 22:05:08 +00:00
Code Issues Projects Releases Packages Wiki Activity

Update 48k version

Browse source 
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.
This commit is contained in:
LucaMarche IZ1MLT 2018-05-30 08:54:45 +02:00 • committed by GitHub
parent 62f3e01aa5
commit 694b83123a
No known key found for this signature in database
GPG key ID: 4AEE18F83AFDEB23
75 changed files with 7038 additions and 2324 deletions
Download patch file Download diff file Expand all files Collapse all files

29
P25Defines.h
View file

@ -1,5 +1,6 @@
/*
* Copyright (C) 2016 by Jonathan Naylor G4KLX
* Copyright (C) 2016,2017 by Jonathan Naylor G4KLX
* Copyright (C) 2018 by Bryan Biedenkapp <gatekeep@gmail.com>
*
* 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
@ -24,25 +25,37 @@ const unsigned int P25_RADIO_SYMBOL_LENGTH = 10U; // At 48 kHz sample rate
const unsigned int P25_HDR_FRAME_LENGTH_BYTES = 99U;
const unsigned int P25_HDR_FRAME_LENGTH_BITS = P25_HDR_FRAME_LENGTH_BYTES * 8U;
const unsigned int P25_HDR_FRAME_LENGTH_SYMBOLS = P25_HDR_FRAME_LENGTH_BYTES * 4U;
const unsigned int P25_HDR_FRAME_LENGTH_SAMPLES = P25_HDR_FRAME_LENGTH_SYMBOLS * P25_RADIO_SYMBOL_LENGTH;
const unsigned int P25_LDU_FRAME_LENGTH_BYTES = 216U;
const unsigned int P25_LDU_FRAME_LENGTH_BITS = P25_LDU_FRAME_LENGTH_BYTES * 8U;
const unsigned int P25_LDU_FRAME_LENGTH_SYMBOLS = P25_LDU_FRAME_LENGTH_BYTES * 4U;
const unsigned int P25_LDU_FRAME_LENGTH_SAMPLES = P25_LDU_FRAME_LENGTH_SYMBOLS * P25_RADIO_SYMBOL_LENGTH;
const unsigned int P25_TERMLC_FRAME_LENGTH_BYTES = 54U;
const unsigned int P25_TERMLC_FRAME_LENGTH_BITS = P25_TERMLC_FRAME_LENGTH_BYTES * 8U;
const unsigned int P25_TERMLC_FRAME_LENGTH_SYMBOLS = P25_TERMLC_FRAME_LENGTH_BYTES * 4U;
const unsigned int P25_TERMLC_FRAME_LENGTH_SAMPLES = P25_TERMLC_FRAME_LENGTH_SYMBOLS * P25_RADIO_SYMBOL_LENGTH;
const unsigned int P25_TERM_FRAME_LENGTH_BYTES = 18U;
const unsigned int P25_TERM_FRAME_LENGTH_BITS = P25_TERM_FRAME_LENGTH_BYTES * 8U;
const unsigned int P25_TERM_FRAME_LENGTH_SYMBOLS = P25_TERM_FRAME_LENGTH_BYTES * 4U;
const unsigned int P25_TERM_FRAME_LENGTH_SAMPLES = P25_TERM_FRAME_LENGTH_SYMBOLS * P25_RADIO_SYMBOL_LENGTH;
const unsigned int P25_TSDU_FRAME_LENGTH_BYTES = 45U;
const unsigned int P25_TSDU_FRAME_LENGTH_BITS = P25_TSDU_FRAME_LENGTH_BYTES * 8U;
const unsigned int P25_TSDU_FRAME_LENGTH_SYMBOLS = P25_TSDU_FRAME_LENGTH_BYTES * 4U;
const unsigned int P25_TSDU_FRAME_LENGTH_SAMPLES = P25_TSDU_FRAME_LENGTH_SYMBOLS * P25_RADIO_SYMBOL_LENGTH;
const unsigned int P25_SYNC_LENGTH_BYTES = 6U;
const unsigned int P25_SYNC_LENGTH_BITS = P25_SYNC_LENGTH_BYTES * 8U;
const unsigned int P25_SYNC_LENGTH_SYMBOLS = P25_SYNC_LENGTH_BYTES * 4U;
const unsigned int P25_SYNC_LENGTH_SAMPLES = P25_SYNC_LENGTH_SYMBOLS * P25_RADIO_SYMBOL_LENGTH;
const unsigned int P25_NID_LENGTH_BITS = 64U;
const unsigned int P25_NID_LENGTH_SYMBOLS = 32U;
const unsigned int P25_NID_LENGTH_BYTES = 8U;
const unsigned int P25_NID_LENGTH_BITS = P25_NID_LENGTH_BYTES * 8U;
const unsigned int P25_NID_LENGTH_SYMBOLS = P25_NID_LENGTH_BYTES * 4U;
const unsigned int P25_NID_LENGTH_SAMPLES = P25_NID_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;
@ -54,8 +67,18 @@ const uint64_t P25_SYNC_BITS_MASK = 0x0000FFFFFFFFFFFFU;
// 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;
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
#endif