Create the D-Star Header class.
This commit is contained in:
Jonathan Naylor
parent
53d557bd57
commit
f31f445001
57
CRC.cpp
57
CRC.cpp
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@ -1,5 +1,5 @@
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/*
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* Copyright (C) 2015 by Jonathan Naylor G4KLX
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* Copyright (C) 2015,2016 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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@ -21,10 +21,45 @@
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#include "Utils.h"
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#include "Log.h"
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#include <cstdint>
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#include <cstdio>
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#include <cassert>
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#include <cmath>
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const uint16_t CCITT16_TABLE[] = {
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0x0000U, 0x1189U, 0x2312U, 0x329bU, 0x4624U, 0x57adU, 0x6536U, 0x74bfU,
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0x8c48U, 0x9dc1U, 0xaf5aU, 0xbed3U, 0xca6cU, 0xdbe5U, 0xe97eU, 0xf8f7U,
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0x1081U, 0x0108U, 0x3393U, 0x221aU, 0x56a5U, 0x472cU, 0x75b7U, 0x643eU,
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0x9cc9U, 0x8d40U, 0xbfdbU, 0xae52U, 0xdaedU, 0xcb64U, 0xf9ffU, 0xe876U,
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0x2102U, 0x308bU, 0x0210U, 0x1399U, 0x6726U, 0x76afU, 0x4434U, 0x55bdU,
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0xad4aU, 0xbcc3U, 0x8e58U, 0x9fd1U, 0xeb6eU, 0xfae7U, 0xc87cU, 0xd9f5U,
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0x3183U, 0x200aU, 0x1291U, 0x0318U, 0x77a7U, 0x662eU, 0x54b5U, 0x453cU,
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0xbdcbU, 0xac42U, 0x9ed9U, 0x8f50U, 0xfbefU, 0xea66U, 0xd8fdU, 0xc974U,
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0x4204U, 0x538dU, 0x6116U, 0x709fU, 0x0420U, 0x15a9U, 0x2732U, 0x36bbU,
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0xce4cU, 0xdfc5U, 0xed5eU, 0xfcd7U, 0x8868U, 0x99e1U, 0xab7aU, 0xbaf3U,
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0x5285U, 0x430cU, 0x7197U, 0x601eU, 0x14a1U, 0x0528U, 0x37b3U, 0x263aU,
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0xdecdU, 0xcf44U, 0xfddfU, 0xec56U, 0x98e9U, 0x8960U, 0xbbfbU, 0xaa72U,
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0x6306U, 0x728fU, 0x4014U, 0x519dU, 0x2522U, 0x34abU, 0x0630U, 0x17b9U,
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0xef4eU, 0xfec7U, 0xcc5cU, 0xddd5U, 0xa96aU, 0xb8e3U, 0x8a78U, 0x9bf1U,
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0x7387U, 0x620eU, 0x5095U, 0x411cU, 0x35a3U, 0x242aU, 0x16b1U, 0x0738U,
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0xffcfU, 0xee46U, 0xdcddU, 0xcd54U, 0xb9ebU, 0xa862U, 0x9af9U, 0x8b70U,
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0x8408U, 0x9581U, 0xa71aU, 0xb693U, 0xc22cU, 0xd3a5U, 0xe13eU, 0xf0b7U,
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0x0840U, 0x19c9U, 0x2b52U, 0x3adbU, 0x4e64U, 0x5fedU, 0x6d76U, 0x7cffU,
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0x9489U, 0x8500U, 0xb79bU, 0xa612U, 0xd2adU, 0xc324U, 0xf1bfU, 0xe036U,
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0x18c1U, 0x0948U, 0x3bd3U, 0x2a5aU, 0x5ee5U, 0x4f6cU, 0x7df7U, 0x6c7eU,
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0xa50aU, 0xb483U, 0x8618U, 0x9791U, 0xe32eU, 0xf2a7U, 0xc03cU, 0xd1b5U,
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0x2942U, 0x38cbU, 0x0a50U, 0x1bd9U, 0x6f66U, 0x7eefU, 0x4c74U, 0x5dfdU,
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0xb58bU, 0xa402U, 0x9699U, 0x8710U, 0xf3afU, 0xe226U, 0xd0bdU, 0xc134U,
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0x39c3U, 0x284aU, 0x1ad1U, 0x0b58U, 0x7fe7U, 0x6e6eU, 0x5cf5U, 0x4d7cU,
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0xc60cU, 0xd785U, 0xe51eU, 0xf497U, 0x8028U, 0x91a1U, 0xa33aU, 0xb2b3U,
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0x4a44U, 0x5bcdU, 0x6956U, 0x78dfU, 0x0c60U, 0x1de9U, 0x2f72U, 0x3efbU,
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0xd68dU, 0xc704U, 0xf59fU, 0xe416U, 0x90a9U, 0x8120U, 0xb3bbU, 0xa232U,
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0x5ac5U, 0x4b4cU, 0x79d7U, 0x685eU, 0x1ce1U, 0x0d68U, 0x3ff3U, 0x2e7aU,
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0xe70eU, 0xf687U, 0xc41cU, 0xd595U, 0xa12aU, 0xb0a3U, 0x8238U, 0x93b1U,
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0x6b46U, 0x7acfU, 0x4854U, 0x59ddU, 0x2d62U, 0x3cebU, 0x0e70U, 0x1ff9U,
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0xf78fU, 0xe606U, 0xd49dU, 0xc514U, 0xb1abU, 0xa022U, 0x92b9U, 0x8330U,
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0x7bc7U, 0x6a4eU, 0x58d5U, 0x495cU, 0x3de3U, 0x2c6aU, 0x1ef1U, 0x0f78U };
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bool CCRC::checkFiveBit(bool* in, unsigned int tcrc)
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{
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assert(in != NULL);
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@ -97,6 +132,26 @@ bool CCRC::checkCCITT16(const unsigned char *in, unsigned int length)
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return crc16 == (in[length - 2U] << 8 | in[length - 1U]);
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}
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void CCRC::addCCITT16(unsigned char *in, unsigned int length)
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{
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assert(in != NULL);
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assert(length > 2U);
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union {
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uint16_t crc16;
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uint8_t crc8[2U];
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};
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crc16 = 0xFFFFU;
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for (unsigned int i = 0U; i < (length - 2U); i++)
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crc16 = uint16_t(crc8[1U]) ^ CCITT16_TABLE[crc8[0U] ^ in[i]];
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crc16 = ~crc16;
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in[length - 2U] = crc8[0U];
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in[length - 1U] = crc8[1U];
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}
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unsigned char CCRC::crc8(const unsigned char *in, unsigned int length)
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{
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unsigned int crc = 0U;
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3
CRC.h
3
CRC.h
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@ -1,5 +1,5 @@
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/*
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* Copyright (C) 2015 by Jonathan Naylor G4KLX
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* Copyright (C) 2015,2016 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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@ -26,6 +26,7 @@ public:
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static void encodeFiveBit(const bool* in, unsigned int& tcrc);
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static bool checkCCITT16(const unsigned char* in, unsigned int length);
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static void addCCITT16(unsigned char* in, unsigned int length);
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static unsigned char encodeEightBit(const unsigned char* in, unsigned int length);
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@ -1,5 +1,5 @@
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/*
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* Copyright (C) 2015 by Jonathan Naylor G4KLX
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* Copyright (C) 2015,2016 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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@ -22,7 +22,33 @@
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const unsigned int DSTAR_HEADER_LENGTH_BYTES = 41U;
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const unsigned int DSTAR_FRAME_LENGTH_BYTES = 12U;
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// Check this
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const unsigned char DSTAR_END_PATTERN_BYTES[] = { 0x55, 0x55, 0x55, 0x55, 0xC8, 0x7A, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
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const unsigned int DSTAR_END_PATTERN_LENGTH_BYTES = 6U;
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const unsigned char DSTAR_NULL_AMBE_DATA_BYTES[] = { 0x9E, 0x8D, 0x32, 0x88, 0x26, 0x1A, 0x3F, 0x61, 0xE8 };
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// Note that these are already scrambled, 0x66 0x66 0x66 otherwise
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const unsigned char DSTAR_NULL_SLOW_DATA_BYTES[] = { 0x16, 0x29, 0xF5 };
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const unsigned char DSTAR_NULL_FRAME_DATA_BYTES[] = { 0x9E, 0x8D, 0x32, 0x88, 0x26, 0x1A, 0x3F, 0x61, 0xE8, 0x16, 0x29, 0xF5 };
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const unsigned int DSTAR_VOICE_FRAME_LENGTH_BYTES = 9U;
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const unsigned int DSTAR_DATA_FRAME_LENGTH_BYTES = 3U;
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const unsigned int DSTAR_LONG_CALLSIGN_LENGTH = 8U;
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const unsigned int DSTAR_SHORT_CALLSIGN_LENGTH = 4U;
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const unsigned char DSTAR_SLOW_DATA_TYPE_MASK = 0xF0U;
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const unsigned char DSTAR_SLOW_DATA_TYPE_GPSDATA = 0x30U;
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const unsigned char DSTAR_SLOW_DATA_TYPE_TEXT = 0x40U;
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const unsigned char DSTAR_SLOW_DATA_TYPE_HEADER = 0x50U;
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const unsigned char DSTAR_SLOW_DATA_TYPE_SQUELCH = 0xC0U;
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const unsigned char DSTAR_SLOW_DATA_LENGTH_MASK = 0x0FU;
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const unsigned char DSTAR_SCRAMBLER_BYTEs[] = {0x70U, 0x4FU, 0x93U};
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const unsigned char DSTAR_REPEATER_CONTROL = 0x07U;
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const unsigned char DSTAR_SYNC_BYTES[] = {0x55U, 0x2DU, 0x16U};
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#endif
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@ -0,0 +1,87 @@
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/*
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* Copyright (C) 2016 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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#include "DStarDefines.h"
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#include "DStarHeader.h"
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#include "CRC.h"
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#include <cstdio>
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#include <cassert>
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#include <cstring>
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CDStarHeader::CDStarHeader(const unsigned char* header) :
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m_header(NULL)
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{
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assert(header != NULL);
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m_header = new unsigned char[DSTAR_HEADER_LENGTH_BYTES];
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::memcpy(m_header, header, DSTAR_HEADER_LENGTH_BYTES);
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}
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CDStarHeader::~CDStarHeader()
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{
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delete[] m_header;
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}
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bool CDStarHeader::isRepeater() const
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{
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return (m_header[0U] & DSTAR_REPEATER_CONTROL) == DSTAR_REPEATER_CONTROL;
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}
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void CDStarHeader::setRepeater(bool on)
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{
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if (on)
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m_header[0U] |= DSTAR_REPEATER_CONTROL;
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else
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m_header[0U] &= ~DSTAR_REPEATER_CONTROL;
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}
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void CDStarHeader::getMyCall1(unsigned char* call1) const
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{
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::memcpy(call1, m_header + 27U, DSTAR_LONG_CALLSIGN_LENGTH);
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}
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void CDStarHeader::getMyCall2(unsigned char* call2) const
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{
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::memcpy(call2, m_header + 35U, DSTAR_SHORT_CALLSIGN_LENGTH);
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}
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void CDStarHeader::getRPTCall1(unsigned char* call1) const
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{
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::memcpy(call1, m_header + 11U, DSTAR_LONG_CALLSIGN_LENGTH);
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}
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void CDStarHeader::getRPTCall2(unsigned char* call2) const
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{
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::memcpy(call2, m_header + 3U, DSTAR_LONG_CALLSIGN_LENGTH);
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}
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void CDStarHeader::getYourCall(unsigned char* call) const
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{
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::memcpy(call, m_header + 19U, DSTAR_LONG_CALLSIGN_LENGTH);
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}
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void CDStarHeader::get(unsigned char* header) const
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{
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assert(header != NULL);
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::memcpy(header, m_header, DSTAR_HEADER_LENGTH_BYTES);
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CCRC::addCCITT16(header, DSTAR_HEADER_LENGTH_BYTES);
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}
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@ -0,0 +1,44 @@
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/*
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* Copyright (C) 2016 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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#ifndef DStarHeader_H
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#define DStarHeader_H
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class CDStarHeader {
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public:
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CDStarHeader(const unsigned char* header);
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~CDStarHeader();
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bool isRepeater() const;
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void setRepeater(bool on);
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void getMyCall1(unsigned char* call1) const;
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void getMyCall2(unsigned char* call2) const;
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void getRPTCall1(unsigned char* call1) const;
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void getRPTCall2(unsigned char* call2) const;
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void getYourCall(unsigned char* call) const;
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void get(unsigned char* header) const;
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private:
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unsigned char* m_header;
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};
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#endif
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@ -161,6 +161,7 @@
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<ClInclude Include="DMRSync.h" />
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<ClInclude Include="DStarDefines.h" />
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<ClInclude Include="DStarEcho.h" />
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<ClInclude Include="DStarHeader.h" />
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<ClInclude Include="DStarNetwork.h" />
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<ClInclude Include="EMB.h" />
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<ClInclude Include="EmbeddedLC.h" />
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<ClCompile Include="DMRSlot.cpp" />
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<ClCompile Include="DMRSync.cpp" />
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<ClCompile Include="DStarEcho.cpp" />
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<ClCompile Include="DStarHeader.cpp" />
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<ClCompile Include="DStarNetwork.cpp" />
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<ClCompile Include="EMB.cpp" />
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<ClCompile Include="EmbeddedLC.cpp" />
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@ -140,6 +140,9 @@
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<ClInclude Include="DMRDataHeader.h">
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<Filter>Header Files</Filter>
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</ClInclude>
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<ClInclude Include="DStarHeader.h">
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<Filter>Header Files</Filter>
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</ClInclude>
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</ItemGroup>
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<ItemGroup>
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<ClCompile Include="BPTC19696.cpp">
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@ -253,5 +256,8 @@
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<ClCompile Include="DMRDataHeader.cpp">
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<Filter>Source Files</Filter>
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</ClCompile>
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<ClCompile Include="DStarHeader.cpp">
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<Filter>Source Files</Filter>
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</ClCompile>
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</ItemGroup>
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</Project>
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11
Makefile
11
Makefile
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@ -5,12 +5,12 @@ LDFLAGS = -g
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all: MMDVMHost
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MMDVMHost: AMBEFEC.o BPTC19696.o Conf.o CRC.o CSBK.o Display.o DMRControl.o DMRData.o DMRDataHeader.o DMRSlot.o DMRSync.o DStarEcho.o DStarNetwork.o EMB.o \
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EmbeddedLC.o FullLC.o Golay2087.o Golay24128.o Hamming.o HomebrewDMRIPSC.o LC.o Log.o MMDVMHost.o Modem.o NullDisplay.o QR1676.o RS129.o \
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MMDVMHost: AMBEFEC.o BPTC19696.o Conf.o CRC.o CSBK.o Display.o DMRControl.o DMRData.o DMRDataHeader.o DMRSlot.o DMRSync.o DStarEcho.o DStarHeader.o DStarNetwork.o \
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EMB.o EmbeddedLC.o FullLC.o Golay2087.o Golay24128.o Hamming.o HomebrewDMRIPSC.o LC.o Log.o MMDVMHost.o Modem.o NullDisplay.o QR1676.o RS129.o \
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SerialController.o SHA256.o ShortLC.o SlotType.o StopWatch.o TFTSerial.o Timer.o UDPSocket.o Utils.o YSFEcho.o
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$(CC) $(LDFLAGS) -o MMDVMHost AMBEFEC.o BPTC19696.o Conf.o CRC.o CSBK.o Display.o DMRControl.o DMRData.o DMRDataHeader.o DMRSlot.o DMRSync.o DStarEcho.o \
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DStarNetwork.o EMB.o EmbeddedLC.o FullLC.o Golay2087.o Golay24128.o Hamming.o HomebrewDMRIPSC.o LC.o Log.o MMDVMHost.o Modem.o NullDisplay.o QR1676.o \
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RS129.o SerialController.o SHA256.o ShortLC.o SlotType.o StopWatch.o TFTSerial.o Timer.o UDPSocket.o Utils.o YSFEcho.o $(LIBS)
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DStarHeader.o DStarNetwork.o EMB.o EmbeddedLC.o FullLC.o Golay2087.o Golay24128.o Hamming.o HomebrewDMRIPSC.o LC.o Log.o MMDVMHost.o Modem.o \
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NullDisplay.o QR1676.o RS129.o SerialController.o SHA256.o ShortLC.o SlotType.o StopWatch.o TFTSerial.o Timer.o UDPSocket.o Utils.o YSFEcho.o $(LIBS)
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AMBEFEC.o: AMBEFEC.cpp AMBEFEC.h Golay24128.h
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$(CC) $(CFLAGS) -c AMBEFEC.cpp
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@ -49,6 +49,9 @@ DMRSync.o: DMRSync.cpp DMRSync.h DMRDefines.h
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DStarEcho.o: DStarEcho.cpp DStarEcho.h RingBuffer.h Timer.h
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$(CC) $(CFLAGS) -c DStarEcho.cpp
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DStarHeader.o: DStarHeader.cpp DStarHeader.h DStarDefines.h CRC.h
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$(CC) $(CFLAGS) -c DStarHeader.cpp
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DStarNetwork.o: DStarNetwork.cpp DStarNetwork.h Log.h UDPSocket.h RingBuffer.h Utils.h StopWatch.h DStarDefines.h Defines.h Timer.h
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$(CC) $(CFLAGS) -c DStarNetwork.cpp
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