835 lines
28 KiB
C
835 lines
28 KiB
C
#ifndef DSD_H
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#define DSD_H
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/*
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* Copyright (C) 2010 DSD Author
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* GPG Key ID: 0x3F1D7FD0 (74EF 430D F7F2 0A48 FCE6 F630 FAA2 635D 3F1D 7FD0)
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*
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* Permission to use, copy, modify, and/or distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
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* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
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* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
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* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
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* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
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* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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#include "config.h"
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#include <stdio.h>
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#include <stdlib.h>
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#include <signal.h>
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#include <string.h>
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#define __USE_XOPEN //compiler warning on this, needed for strptime, seems benign
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#include <time.h>
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#include <sys/time.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <fcntl.h>
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#include <unistd.h>
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#ifdef SOLARIS
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#include <sys/audioio.h>
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#endif
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#if defined(BSD) && !defined(__APPLE__)
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#include <sys/soundcard.h>
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#endif
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#include <math.h>
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#include <mbelib.h>
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#include <sndfile.h>
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#include "p25p1_heuristics.h"
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#include <pulse/simple.h> //PULSE AUDIO
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#include <pulse/error.h> //PULSE AUDIO
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//#include <pulse/pulseaudio.h> //PUlSE AUDIO
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#define SAMPLE_RATE_IN 48000 //48000
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#define SAMPLE_RATE_OUT 8000 //8000,
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#ifdef USE_PORTAUDIO
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#include "portaudio.h"
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#define PA_FRAMES_PER_BUFFER 64
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//Buffer needs to be large enough to prevent input buffer overruns while DSD is doing other struff (like outputting voice)
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//else you get skipped samples which result in incomplete/erronous decodes and a mountain of error messages.
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#define PA_LATENCY_IN 0.500
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//Buffer needs to be large enough to prevent output buffer underruns while DSD is doing other stuff (like decoding input)
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//else you get choppy audio and in 'extreme' cases errors.
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//Buffer also needs to be as small as possible so we don't have a lot of audio delay.
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#define PA_LATENCY_OUT 0.100
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#endif
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#ifdef USE_RTLSDR
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#include <rtl-sdr.h>
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#endif
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//look into making this not required by doing ifdef, make new c file for methods, and CLI case option for ncurses terminal
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#include <locale.h> //move this stuff to dsd.h
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#include <ncurses.h> //move this stuff to dsd.h
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/*
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* global variables
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*/
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static volatile int exitflag;
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//borrow from LEH
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typedef struct
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{
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uint8_t RFChannelType;
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uint8_t FunctionnalChannelType;
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uint8_t Option;
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uint8_t Direction;
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uint8_t CompleteLich; /* 7 bits of LICH without parity */
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uint8_t PreviousCompleteLich; /* 7 bits of previous LICH without parity */
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} NxdnLich_t;
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typedef struct
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{
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uint8_t StructureField;
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uint8_t RAN;
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uint8_t Data[18];
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uint8_t CrcIsGood;
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} NxdnSacchRawPart_t;
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typedef struct
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{
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uint8_t Data[80];
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uint8_t CrcIsGood;
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} NxdnFacch1RawPart_t;
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typedef struct
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{
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uint8_t Data[184];
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uint8_t CrcIsGood;
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} NxdnFacch2RawPart_t;
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typedef struct
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{
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uint8_t F1;
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uint8_t F2;
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uint8_t MessageType;
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/****************************/
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/***** VCALL parameters *****/
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/****************************/
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uint8_t CCOption;
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uint8_t CallType;
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uint8_t VoiceCallOption;
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uint16_t SourceUnitID;
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uint16_t DestinationID; /* May be a Group ID or a Unit ID */
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uint8_t CipherType;
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uint8_t KeyID;
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uint8_t VCallCrcIsGood;
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/*******************************/
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/***** VCALL_IV parameters *****/
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/*******************************/
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uint8_t IV[8];
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uint8_t VCallIvCrcIsGood;
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/*****************************/
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/***** Custom parameters *****/
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/*****************************/
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/* Specifies if the "CipherType" and the "KeyID" parameter are valid
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* 1 = Valid ; 0 = CRC error */
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uint8_t CipherParameterValidity;
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/* Used on DES and AES encrypted frames */
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uint8_t PartOfCurrentEncryptedFrame; /* Could be 1 or 2 */
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uint8_t PartOfNextEncryptedFrame; /* Could be 1 or 2 */
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uint8_t CurrentIVComputed[8];
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uint8_t NextIVComputed[8];
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} NxdnElementsContent_t;
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//LEH DMR
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enum
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{
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MODE_UNENCRYPTED,
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MODE_BASIC_PRIVACY,
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MODE_ENHANCED_PRIVACY_ARC4,
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MODE_ENHANCED_PRIVACY_AES256,
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MODE_HYTERA_BASIC_40_BIT,
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MODE_HYTERA_BASIC_128_BIT,
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MODE_HYTERA_BASIC_256_BIT
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};
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//Read Solomon (12,9) constant
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#define RS_12_9_DATASIZE 9
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#define RS_12_9_CHECKSUMSIZE 3
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//Read Solomon (12,9) struct
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typedef struct
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{
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uint8_t data[RS_12_9_DATASIZE+RS_12_9_CHECKSUMSIZE];
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} rs_12_9_codeword_t;
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// Maximum degree of various polynomials.
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#define RS_12_9_POLY_MAXDEG (RS_12_9_CHECKSUMSIZE*2)
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typedef struct
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{
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uint8_t data[RS_12_9_POLY_MAXDEG];
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} rs_12_9_poly_t;
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#define RS_12_9_CORRECT_ERRORS_RESULT_NO_ERRORS_FOUND 0
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#define RS_12_9_CORRECT_ERRORS_RESULT_ERRORS_CORRECTED 1
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#define RS_12_9_CORRECT_ERRORS_RESULT_ERRORS_CANT_BE_CORRECTED 2
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typedef uint8_t rs_12_9_correct_errors_result_t;
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typedef struct
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{
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uint8_t bytes[3];
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} rs_12_9_checksum_t;
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typedef struct
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{
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char VoiceFrame[3][72]; /* 3 x 72 bit of voice per time slot frame */
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char Sync[48]; /* 48 bit of data or SYNC per time slot frame */
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}TimeSlotRawVoiceFrame_t;
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typedef struct
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{
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char DeInterleavedVoiceSample[3][4][24]; /* 3 x (4 x 24) deinterleaved bit of voice per time slot frame */
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}TimeSlotDeinterleavedVoiceFrame_t;
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typedef struct
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{
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int errs1[3]; /* 3 x errors #1 computed when demodulate the AMBE voice bit of the frame */
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int errs2[3]; /* 3 x errors #2 computed when demodulate the AMBE voice bit of the frame */
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char AmbeBit[3][49]; /* 3 x 49 bit of AMBE voice of the frame */
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}TimeSlotAmbeVoiceFrame_t;
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typedef struct
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{
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unsigned int ProtectFlag;
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unsigned int Reserved;
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unsigned int FullLinkControlOpcode;
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unsigned int FeatureSetID;
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unsigned int ServiceOptions;
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unsigned int GroupAddress; /* Destination ID or TG (in Air Interface format) */
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unsigned int SourceAddress; /* Source ID (in Air Interface format) */
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unsigned int DataValidity; /* 0 = All Full LC data are incorrect ; 1 = Full LC data are correct (CRC checked OK) */
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unsigned int LeftOvers; //what is the 8 bits for that isn't used
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}FullLinkControlPDU_t;
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typedef struct
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{
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TimeSlotRawVoiceFrame_t TimeSlotRawVoiceFrame[6]; /* A voice superframe contains 6 timeslot voice frame */
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TimeSlotDeinterleavedVoiceFrame_t TimeSlotDeinterleavedVoiceFrame[6];
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TimeSlotAmbeVoiceFrame_t TimeSlotAmbeVoiceFrame[6];
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FullLinkControlPDU_t FullLC;
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} TimeSlotVoiceSuperFrame_t;
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//end borrow from LEH
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//LEH dPMR
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/* Could only be 2 or 4 */
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#define NB_OF_DPMR_VOICE_FRAME_TO_DECODE 2
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typedef struct
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{
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unsigned char RawVoiceBit[NB_OF_DPMR_VOICE_FRAME_TO_DECODE * 4][72];
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unsigned int errs1[NB_OF_DPMR_VOICE_FRAME_TO_DECODE * 4]; /* 8 x errors #1 computed when demodulate the AMBE voice bit of the frame */
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unsigned int errs2[NB_OF_DPMR_VOICE_FRAME_TO_DECODE * 4]; /* 8 x errors #2 computed when demodulate the AMBE voice bit of the frame */
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unsigned char AmbeBit[NB_OF_DPMR_VOICE_FRAME_TO_DECODE * 4][49]; /* 8 x 49 bit of AMBE voice of the frame */
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unsigned char CCHData[NB_OF_DPMR_VOICE_FRAME_TO_DECODE][48];
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unsigned int CCHDataHammingOk[NB_OF_DPMR_VOICE_FRAME_TO_DECODE];
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unsigned char CCHDataCRC[NB_OF_DPMR_VOICE_FRAME_TO_DECODE];
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unsigned int CCHDataCrcOk[NB_OF_DPMR_VOICE_FRAME_TO_DECODE];
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unsigned char CalledID[8];
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unsigned int CalledIDOk;
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unsigned char CallingID[8];
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unsigned int CallingIDOk;
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unsigned int FrameNumbering[NB_OF_DPMR_VOICE_FRAME_TO_DECODE];
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unsigned int CommunicationMode[NB_OF_DPMR_VOICE_FRAME_TO_DECODE];
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unsigned int Version[NB_OF_DPMR_VOICE_FRAME_TO_DECODE];
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unsigned int CommsFormat[NB_OF_DPMR_VOICE_FRAME_TO_DECODE];
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unsigned int EmergencyPriority[NB_OF_DPMR_VOICE_FRAME_TO_DECODE];
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unsigned int Reserved[NB_OF_DPMR_VOICE_FRAME_TO_DECODE];
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unsigned char SlowData[NB_OF_DPMR_VOICE_FRAME_TO_DECODE];
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unsigned int ColorCode[NB_OF_DPMR_VOICE_FRAME_TO_DECODE / 2];
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} dPMRVoiceFS2Frame_t;
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//
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typedef struct
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{
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int onesymbol;
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char mbe_in_file[1024];
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FILE *mbe_in_f;
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int errorbars;
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int datascope;
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int symboltiming;
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int verbose;
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int p25enc;
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int p25lc;
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int p25status;
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int p25tg;
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int scoperate;
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char audio_in_dev[1024];
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int audio_in_fd;
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SNDFILE *audio_in_file;
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SF_INFO *audio_in_file_info;
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#ifdef USE_PORTAUDIO
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PaStream* audio_in_pa_stream;
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#endif
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uint32_t rtlsdr_center_freq;
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int rtlsdr_ppm_error; //was int, changed to float
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int audio_in_type; // 0 for device, 1 for file, 2 for portaudio, 3 for rtlsdr
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char audio_out_dev[1024];
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int audio_out_fd;
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SNDFILE *audio_out_file;
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SF_INFO *audio_out_file_info;
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#ifdef USE_PORTAUDIO
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PaStream* audio_out_pa_stream;
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#endif
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int audio_out_type; // 0 for device, 1 for file, 2 for portaudio
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int split;
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int playoffset;
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char mbe_out_dir[1024];
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char mbe_out_file[1024];
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char mbe_out_path[1024];
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FILE *mbe_out_f;
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float audio_gain;
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int audio_out;
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char wav_out_file[1024];
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SNDFILE *wav_out_f;
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//int wav_out_fd;
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int serial_baud;
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char serial_dev[1024];
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int serial_fd;
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int resume;
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int frame_dstar;
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int frame_x2tdma;
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int frame_p25p1;
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int frame_nxdn48;
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int frame_nxdn96;
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int frame_dmr;
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int frame_provoice;
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int mod_c4fm;
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int mod_qpsk;
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int mod_gfsk;
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int uvquality;
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int inverted_x2tdma;
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int inverted_dmr;
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int mod_threshold;
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int ssize;
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int msize;
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int playfiles;
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int delay;
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int use_cosine_filter;
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int unmute_encrypted_p25;
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int rtl_dev_index;
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int rtl_gain_value;
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int rtl_squelch_level;
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int rtl_volume_multiplier;
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int rtl_udp_port;
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int rtl_bandwidth;
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int monitor_input_audio;
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int pulse_raw_rate_in;
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int pulse_raw_rate_out;
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int pulse_digi_rate_in;
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int pulse_digi_rate_out;
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int pulse_raw_in_channels;
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int pulse_raw_out_channels;
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int pulse_digi_in_channels;
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int pulse_digi_out_channels;
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int pulse_flush;
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pa_simple *pulse_raw_dev_in;
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pa_simple *pulse_raw_dev_out;
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pa_simple *pulse_digi_dev_in;
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pa_simple *pulse_digi_dev_out;
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int use_ncurses_terminal;
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int reset_state;
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int payload;
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char output_name[1024];
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//LEH DMR Stuff
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int EncryptionMode;
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//LEH dPMR stuff
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unsigned int dPMR_curr_frame_is_encrypted;
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int dPMR_next_part_of_superframe;
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int inverted_dpmr;
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int frame_dpmr;
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} dsd_opts;
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typedef struct
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{
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int *dibit_buf;
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int *dibit_buf_p;
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int repeat;
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short *audio_out_buf;
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short *audio_out_buf_p;
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short *audio_out_bufR;
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short *audio_out_buf_pR;
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float *audio_out_float_buf;
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float *audio_out_float_buf_p;
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float *audio_out_float_bufR;
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float *audio_out_float_buf_pR;
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float audio_out_temp_buf[160];
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float *audio_out_temp_buf_p;
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float audio_out_temp_bufR[160];
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float *audio_out_temp_buf_pR;
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int audio_out_idx;
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int audio_out_idx2;
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int audio_out_idxR;
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int audio_out_idx2R;
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//int wav_out_bytes;
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int center;
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int jitter;
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int synctype;
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int min;
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int max;
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int lmid;
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int umid;
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int minref;
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int maxref;
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int lastsample;
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int sbuf[128];
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int sidx;
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int maxbuf[1024];
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int minbuf[1024];
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int midx;
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char err_str[64]; //actual error errorbars
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char err_buf[64]; //make copy of err_str for comparison, only have string print when strcmp is different??
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char err_strR[64];
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char err_bufR[64];
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char fsubtype[16];
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char ftype[16];
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int symbolcnt;
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int rf_mod;
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int numflips;
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int lastsynctype;
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int lastp25type;
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int offset;
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int carrier;
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char tg[25][16];
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int tgcount;
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int lasttg;
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int lastsrc;
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int nac;
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int errs;
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int errs2;
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int mbe_file_type;
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int optind;
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int numtdulc;
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int firstframe;
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char slot0light[8];
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//char slot1light[8];
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float aout_gain;
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float aout_max_buf[200];
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float *aout_max_buf_p;
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int aout_max_buf_idx;
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int samplesPerSymbol;
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int symbolCenter;
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char algid[9];
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char keyid[17];
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int currentslot;
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mbe_parms *cur_mp;
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mbe_parms *prev_mp;
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mbe_parms *prev_mp_enhanced;
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int p25kid;
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int payload_algid;
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int payload_keyid;
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int payload_mfid;
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int payload_mi;
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unsigned long long int K;
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unsigned int debug_audio_errors;
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unsigned int debug_header_errors;
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unsigned int debug_header_critical_errors;
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// Last dibit read
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int last_dibit;
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// Heuristics state data for +P5 signals
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P25Heuristics p25_heuristics;
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// Heuristics state data for -P5 signals
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P25Heuristics inv_p25_heuristics;
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//input sample buffer for monitoring Input
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short input_sample_buffer; //HERE HERE
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short pulse_raw_out_buffer; //HERE HERE
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//float *input_sample_buffer; //HERE HERE
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short dibit_to_hex_buf;
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// state->sr_0 shift registers
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short hexbuf;
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unsigned long long sr_0; //64-bit shift registers for pushing decoded binary or dibit data
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unsigned long long sr_1; //384
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unsigned long long sr_2; //
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unsigned long long sr_3; //
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unsigned long long sr_4; //
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unsigned long long sr_5; //
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unsigned long long sr_6; //
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unsigned int dmr_color_code;
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unsigned int nxdn_last_ran;
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unsigned int nxdn_last_rid;
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unsigned int nxdn_last_tg;
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unsigned int nxdn_cipher_type;
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unsigned int nxdn_key;
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char nxdn_call_type[1024];
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//borrow from LEH
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NxdnSacchRawPart_t NxdnSacchRawPart[4];
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NxdnFacch1RawPart_t NxdnFacch1RawPart[2];
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NxdnFacch2RawPart_t NxdnFacch2RawPart;
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NxdnElementsContent_t NxdnElementsContent;
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NxdnLich_t NxdnLich;
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int printNXDNAmbeVoiceSampleHex;
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char ambe_ciphered[49];
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char ambe_deciphered[49];
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//end borrow
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//LEH DMR struff
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unsigned int color_code;
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unsigned int color_code_ok;
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unsigned int PI;
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unsigned int PI_ok;
|
|
unsigned int LCSS;
|
|
unsigned int LCSS_ok;
|
|
|
|
unsigned int dmr_fid;
|
|
unsigned int dmr_so;
|
|
|
|
char slot1light[8];
|
|
char slot2light[8];
|
|
int directmode;
|
|
TimeSlotVoiceSuperFrame_t TS1SuperFrame;
|
|
TimeSlotVoiceSuperFrame_t TS2SuperFrame;
|
|
|
|
//LEH dPMR stuff
|
|
dPMRVoiceFS2Frame_t dPMRVoiceFS2Frame;
|
|
|
|
//These flags are used to known the DMR frame
|
|
//printing format (hex or binary)
|
|
int printDMRRawVoiceFrameHex;
|
|
int printDMRRawVoiceFrameBin;
|
|
int printDMRRawDataFrameHex;
|
|
int printDMRRawDataFrameBin;
|
|
int printDMRAmbeVoiceSampleHex;
|
|
int printDMRAmbeVoiceSampleBin;
|
|
|
|
//These flags are used to known the dPMR frame
|
|
//orinting format (hex or binary)
|
|
int printdPMRRawVoiceFrameHex;
|
|
int printdPMRRawVoiceFrameBin;
|
|
int printdPMRRawDataFrameHex;
|
|
int printdPMRRawDataFrameBin;
|
|
int printdPMRAmbeVoiceSampleHex;
|
|
int printdPMRAmbeVoiceSampleBin;
|
|
|
|
unsigned char * dpmr_caller_id;
|
|
unsigned char * dpmr_target_id;
|
|
int dpmr_color_code;
|
|
|
|
#ifdef TRACE_DSD
|
|
char debug_prefix;
|
|
char debug_prefix_2;
|
|
unsigned int debug_sample_index;
|
|
unsigned int debug_sample_left_edge;
|
|
unsigned int debug_sample_right_edge;
|
|
FILE* debug_label_file;
|
|
FILE* debug_label_dibit_file;
|
|
FILE* debug_label_imbe_file;
|
|
#endif
|
|
|
|
} dsd_state;
|
|
|
|
/*
|
|
* Frame sync patterns
|
|
*/
|
|
#define INV_P25P1_SYNC "333331331133111131311111"
|
|
#define P25P1_SYNC "111113113311333313133333"
|
|
|
|
#define X2TDMA_BS_VOICE_SYNC "113131333331313331113311"
|
|
#define X2TDMA_BS_DATA_SYNC "331313111113131113331133"
|
|
#define X2TDMA_MS_DATA_SYNC "313113333111111133333313"
|
|
#define X2TDMA_MS_VOICE_SYNC "131331111333333311111131"
|
|
|
|
#define DSTAR_HD "131313131333133113131111"
|
|
#define INV_DSTAR_HD "313131313111311331313333"
|
|
#define DSTAR_SYNC "313131313133131113313111"
|
|
#define INV_DSTAR_SYNC "131313131311313331131333"
|
|
|
|
//bogus nxdnn data syncs to troubleshoot
|
|
/*
|
|
#define NXDN_MS_DATA_SYNC "33333313133113131111333333333111"
|
|
#define INV_NXDN_MS_DATA_SYNC "11133331313113313133331113333331"
|
|
#define INV_NXDN_BS_DATA_SYNC "33331111313113313133331313333333"
|
|
#define NXDN_BS_DATA_SYNC "11113333131331131311113133333333"
|
|
//end bogus nxdn data syncs
|
|
*/
|
|
#define NXDN_MS_DATA_SYNC "313133113131111333"
|
|
#define INV_NXDN_MS_DATA_SYNC "131311331313333111"
|
|
#define INV_NXDN_BS_DATA_SYNC "131311331313333131"
|
|
#define NXDN_BS_DATA_SYNC "313133113131111313"
|
|
#define NXDN_MS_VOICE_SYNC "313133113131113133"
|
|
#define INV_NXDN_MS_VOICE_SYNC "131311331313331311"
|
|
#define INV_NXDN_BS_VOICE_SYNC "131311331313331331"
|
|
#define NXDN_BS_VOICE_SYNC "313133113131113113"
|
|
|
|
#define DMR_BS_DATA_SYNC "313333111331131131331131"
|
|
#define DMR_BS_VOICE_SYNC "131111333113313313113313"
|
|
#define DMR_MS_DATA_SYNC "311131133313133331131113"
|
|
#define DMR_MS_VOICE_SYNC "133313311131311113313331"
|
|
//borrow extra syncs from LEH
|
|
#define DMR_DIRECT_MODE_TS1_DATA_SYNC "331333313111313133311111"
|
|
#define DMR_DIRECT_MODE_TS1_VOICE_SYNC "113111131333131311133333"
|
|
#define DMR_DIRECT_MODE_TS2_DATA_SYNC "311311111333113333133311"
|
|
#define DMR_DIRECT_MODE_TS2_VOICE_SYNC "133133333111331111311133"
|
|
//end LEH
|
|
#define INV_PROVOICE_SYNC "31313111333133133311331133113311"
|
|
#define PROVOICE_SYNC "13131333111311311133113311331133"
|
|
#define INV_PROVOICE_EA_SYNC "13313133113113333311313133133311"
|
|
#define PROVOICE_EA_SYNC "31131311331331111133131311311133"
|
|
|
|
//LEH dPMR
|
|
#define DPMR_FRAME_SYNC_1 "111333331133131131111313"
|
|
|
|
/* dPMR Frame Sync 2 - 24 bits sequence
|
|
* HEX : 5F F7 7D
|
|
* Binary : 0101 1111 1111 0111 0111 1101
|
|
* Dibit : 1 1 3 3 3 3 1 3 1 3 3 1 */
|
|
#define DPMR_FRAME_SYNC_2 "113333131331"
|
|
|
|
/* dPMR Frame Sync 3 - 24 bits sequence
|
|
* HEX : 7D DF F5
|
|
* Binary : 0111 1101 1101 1111 1111 0101
|
|
* Dibit : 1 3 3 1 3 1 3 3 3 3 1 1 */
|
|
#define DPMR_FRAME_SYNC_3 "133131333311"
|
|
|
|
/* dPMR Frame Sync 4 - 48 bits sequence
|
|
* HEX : FD 55 F5 DF 7F DD
|
|
* Binary : 1111 1101 0101 0101 1111 0101 1101 1111 0111 1111 1101 1101
|
|
* Dibit : 3 3 3 1 1 1 1 1 3 3 1 1 3 1 3 3 1 3 3 3 3 1 3 1 */
|
|
#define DPMR_FRAME_SYNC_4 "333111113311313313333131"
|
|
|
|
/* dPMR Frame Sync 1 to 4 - Inverted */
|
|
#define INV_DPMR_FRAME_SYNC_1 "333111113311313313333131"
|
|
#define INV_DPMR_FRAME_SYNC_2 "331111313113"
|
|
#define INV_DPMR_FRAME_SYNC_3 "311313111133"
|
|
#define INV_DPMR_FRAME_SYNC_4 "111333331133131131111313"
|
|
|
|
//
|
|
/*
|
|
* function prototypes
|
|
*/
|
|
void processDMRdata (dsd_opts * opts, dsd_state * state);
|
|
void processDMRvoice (dsd_opts * opts, dsd_state * state);
|
|
void processdPMRvoice (dsd_opts * opts, dsd_state * state);
|
|
void processAudio (dsd_opts * opts, dsd_state * state);
|
|
void playRawAudio (dsd_opts * opts, dsd_state * state); //added this one HERE HERE
|
|
void openPulseInput (dsd_opts * opts); //not sure if we need to just pass opts, or opts and state yet
|
|
void openPulseOutput (dsd_opts * opts); //not sure if we need to just pass opts, or opts and state yet
|
|
void writeSynthesizedVoice (dsd_opts * opts, dsd_state * state);
|
|
void playSynthesizedVoice (dsd_opts * opts, dsd_state * state);
|
|
void openAudioOutDevice (dsd_opts * opts, int speed);
|
|
void openAudioInDevice (dsd_opts * opts);
|
|
|
|
int getDibit (dsd_opts * opts, dsd_state * state);
|
|
int get_dibit_and_analog_signal (dsd_opts * opts, dsd_state * state, int * out_analog_signal);
|
|
|
|
void skipDibit (dsd_opts * opts, dsd_state * state, int count);
|
|
void saveImbe4400Data (dsd_opts * opts, dsd_state * state, char *imbe_d);
|
|
void saveAmbe2450Data (dsd_opts * opts, dsd_state * state, char *ambe_d);
|
|
int readImbe4400Data (dsd_opts * opts, dsd_state * state, char *imbe_d);
|
|
int readAmbe2450Data (dsd_opts * opts, dsd_state * state, char *ambe_d);
|
|
void openMbeInFile (dsd_opts * opts, dsd_state * state);
|
|
void closeMbeOutFile (dsd_opts * opts, dsd_state * state);
|
|
void openMbeOutFile (dsd_opts * opts, dsd_state * state);
|
|
void openWavOutFile (dsd_opts * opts, dsd_state * state);
|
|
void closeWavOutFile (dsd_opts * opts, dsd_state * state);
|
|
void printFrameInfo (dsd_opts * opts, dsd_state * state);
|
|
void processFrame (dsd_opts * opts, dsd_state * state);
|
|
void printFrameSync (dsd_opts * opts, dsd_state * state, char *frametype, int offset, char *modulation);
|
|
int getFrameSync (dsd_opts * opts, dsd_state * state);
|
|
int comp (const void *a, const void *b);
|
|
void noCarrier (dsd_opts * opts, dsd_state * state);
|
|
void initOpts (dsd_opts * opts);
|
|
void initState (dsd_state * state);
|
|
void usage ();
|
|
void liveScanner (dsd_opts * opts, dsd_state * state);
|
|
void cleanupAndExit (dsd_opts * opts, dsd_state * state);
|
|
void sigfun (int sig);
|
|
int main (int argc, char **argv);
|
|
void playMbeFiles (dsd_opts * opts, dsd_state * state, int argc, char **argv);
|
|
void processMbeFrame (dsd_opts * opts, dsd_state * state, char imbe_fr[8][23], char ambe_fr[4][24], char imbe7100_fr[7][24]);
|
|
void openSerial (dsd_opts * opts, dsd_state * state);
|
|
void resumeScan (dsd_opts * opts, dsd_state * state);
|
|
int getSymbol (dsd_opts * opts, dsd_state * state, int have_sync);
|
|
void upsample (dsd_state * state, float invalue);
|
|
void processDSTAR (dsd_opts * opts, dsd_state * state);
|
|
void processNXDNVoice (dsd_opts * opts, dsd_state * state);
|
|
void processNXDNData (dsd_opts * opts, dsd_state * state);
|
|
void processP25lcw (dsd_opts * opts, dsd_state * state, char *lcformat, char *mfid, char *lcinfo);
|
|
void processHDU (dsd_opts * opts, dsd_state * state);
|
|
void processLDU1 (dsd_opts * opts, dsd_state * state);
|
|
void processLDU2 (dsd_opts * opts, dsd_state * state);
|
|
void processTDU (dsd_opts * opts, dsd_state * state);
|
|
void processTDULC (dsd_opts * opts, dsd_state * state);
|
|
void processProVoice (dsd_opts * opts, dsd_state * state);
|
|
void processX2TDMAdata (dsd_opts * opts, dsd_state * state);
|
|
void processX2TDMAvoice (dsd_opts * opts, dsd_state * state);
|
|
void processDSTAR_HD (dsd_opts * opts, dsd_state * state);
|
|
short dmr_filter(short sample);
|
|
short nxdn_filter(short sample);
|
|
|
|
//borrow from LEH for testing 'improved NXDN detection'
|
|
int strncmperr(const char *s1, const char *s2, size_t size, int MaxErr);
|
|
/* Global functions */ //also borrowed
|
|
uint32_t ConvertBitIntoBytes(uint8_t * BufferIn, uint32_t BitLength);
|
|
uint32_t ConvertAsciiToByte(uint8_t AsciiMsbByte, uint8_t AsciiLsbByte, uint8_t * OutputByte);
|
|
void Convert49BitSampleInto7Bytes(char * InputBit, char * OutputByte);
|
|
void Convert7BytesInto49BitSample(char * InputByte, char * OutputBit);
|
|
//
|
|
//ifdef ncurses
|
|
void ncursesOpen ();
|
|
void ncursesPrinter (dsd_opts * opts, dsd_state * state);
|
|
void ncursesClose ();
|
|
//endif ncurses
|
|
//borrow from LEH
|
|
/* NXDN frame decoding functions */
|
|
void ProcessNXDNFrame(dsd_opts * opts, dsd_state * state, uint8_t Inverted);
|
|
void ProcessNxdnRCCHFrame(dsd_opts * opts, dsd_state * state, uint8_t Inverted);
|
|
void ProcessNxdnRTCHFrame(dsd_opts * opts, dsd_state * state, uint8_t Inverted);
|
|
void ProcessNxdnRDCHFrame(dsd_opts * opts, dsd_state * state, uint8_t Inverted);
|
|
void ProcessNxdnRTCH_C_Frame(dsd_opts * opts, dsd_state * state, uint8_t Inverted);
|
|
void ProcessNXDNIdleData (dsd_opts * opts, dsd_state * state, uint8_t Inverted);
|
|
void ProcessNXDNFacch1Data (dsd_opts * opts, dsd_state * state, uint8_t Inverted);
|
|
void ProcessNXDNUdchData (dsd_opts * opts, dsd_state * state, uint8_t Inverted);
|
|
//end borrow
|
|
//borrow from LEH
|
|
/* NXDN functions */
|
|
void CNXDNConvolution_start(void);
|
|
void CNXDNConvolution_decode(uint8_t s0, uint8_t s1);
|
|
void CNXDNConvolution_chainback(unsigned char* out, unsigned int nBits);
|
|
void CNXDNConvolution_encode(const unsigned char* in, unsigned char* out, unsigned int nBits);
|
|
uint8_t NXDN_decode_LICH(uint8_t InputLich[8],
|
|
uint8_t * RFChannelType,
|
|
uint8_t * FunctionnalChannelType,
|
|
uint8_t * Option,
|
|
uint8_t * Direction,
|
|
uint8_t * CompleteLichBinaryFormat,
|
|
uint8_t Inverted);
|
|
uint8_t NXDN_SACCH_raw_part_decode(uint8_t * Input, uint8_t * Output);
|
|
void NXDN_SACCH_Full_decode(dsd_opts * opts, dsd_state * state);
|
|
uint8_t NXDN_FACCH1_decode(uint8_t * Input, uint8_t * Output);
|
|
uint8_t NXDN_UDCH_decode(uint8_t * Input, uint8_t * Output);
|
|
void NXDN_Elements_Content_decode(dsd_opts * opts, dsd_state * state,
|
|
uint8_t CrcCorrect, uint8_t * ElementsContent);
|
|
void NXDN_decode_VCALL(dsd_opts * opts, dsd_state * state, uint8_t * Message);
|
|
void NXDN_decode_VCALL_IV(dsd_opts * opts, dsd_state * state, uint8_t * Message);
|
|
char * NXDN_Call_Type_To_Str(uint8_t CallType);
|
|
void NXDN_Voice_Call_Option_To_Str(uint8_t VoiceCallOption, uint8_t * Duplex, uint8_t * TransmissionMode);
|
|
char * NXDN_Cipher_Type_To_Str(uint8_t CipherType);
|
|
uint16_t CRC15BitNXDN(uint8_t * BufferIn, uint32_t BitLength);
|
|
uint16_t CRC12BitNXDN(uint8_t * BufferIn, uint32_t BitLength);
|
|
uint8_t CRC6BitNXDN(uint8_t * BufferIn, uint32_t BitLength);
|
|
void ScrambledNXDNVoiceBit(int * LfsrValue, char * BufferIn, char * BufferOut, int NbOfBitToScramble);
|
|
void NxdnEncryptionStreamGeneration (dsd_opts* opts, dsd_state* state, uint8_t KeyStream[1664]);
|
|
|
|
void processMbeFrameEncrypted (dsd_opts * opts, dsd_state * state, char imbe_fr[8][23], char ambe_fr[4][24], char imbe7100_fr[7][24], char ambe_keystream[49], char imbe_keystream[88]);
|
|
|
|
//LEH dPMR
|
|
void dPMRVoiceFrameProcess(dsd_opts * opts, dsd_state * state);
|
|
void printdPMRAmbeVoiceSample(dsd_opts * opts, dsd_state * state);
|
|
void printdPMRRawVoiceFrame (dsd_opts * opts, dsd_state * state);
|
|
//dPMR functions
|
|
void ScrambledPMRBit(uint32_t * LfsrValue, uint8_t * BufferIn, uint8_t * BufferOut, uint32_t NbOfBitToScramble);
|
|
void DeInterleave6x12DPmrBit(uint8_t * BufferIn, uint8_t * BufferOut);
|
|
uint8_t CRC7BitdPMR(uint8_t * BufferIn, uint32_t BitLength);
|
|
uint8_t CRC8BitdPMR(uint8_t * BufferIn, uint32_t BitLength);
|
|
void ConvertAirInterfaceID(uint32_t AI_ID, uint8_t ID[8]);
|
|
int32_t GetdPmrColorCode(uint8_t ChannelCodeBit[24]);
|
|
//LEH DMR
|
|
void ProcessDMREncryption (dsd_opts * opts, dsd_state * state); //consider if this is needed
|
|
void DMRDataFrameProcess(dsd_opts * opts, dsd_state * state);
|
|
void DMRVoiceFrameProcess(dsd_opts * opts, dsd_state * state);
|
|
//BPTC (Block Product Turbo Code) functions
|
|
void BPTCDeInterleaveDMRData(uint8_t * Input, uint8_t * Output);
|
|
uint32_t BPTC_196x96_Extract_Data(uint8_t InputDeInteleavedData[196], uint8_t DMRDataExtracted[96], uint8_t R[3]);
|
|
uint32_t BPTC_128x77_Extract_Data(uint8_t InputDataMatrix[8][16], uint8_t DMRDataExtracted[77]);
|
|
uint32_t BPTC_16x2_Extract_Data(uint8_t InputInterleavedData[32], uint8_t DMRDataExtracted[32]);
|
|
|
|
//Read Solomon (12,9) functions
|
|
void rs_12_9_calc_syndrome(rs_12_9_codeword_t *codeword, rs_12_9_poly_t *syndrome);
|
|
uint8_t rs_12_9_check_syndrome(rs_12_9_poly_t *syndrome);
|
|
rs_12_9_correct_errors_result_t rs_12_9_correct_errors(rs_12_9_codeword_t *codeword, rs_12_9_poly_t *syndrome, uint8_t *errors_found);
|
|
rs_12_9_checksum_t *rs_12_9_calc_checksum(rs_12_9_codeword_t *codeword);
|
|
|
|
//SYNC DMR data extraction functions
|
|
void ProcessDmrVoiceLcHeader(dsd_opts * opts, dsd_state * state, uint8_t info[196], uint8_t syncdata[48], uint8_t SlotType[20]);
|
|
void ProcessDmrTerminaisonLC(dsd_opts * opts, dsd_state * state, uint8_t info[196], uint8_t syncdata[48], uint8_t SlotType[20]);
|
|
void ProcessVoiceBurstSync(dsd_opts * opts, dsd_state * state);
|
|
uint16_t ComputeCrcCCITT(uint8_t * DMRData);
|
|
uint32_t ComputeAndCorrectFullLinkControlCrc(uint8_t * FullLinkControlDataBytes, uint32_t * CRCComputed, uint32_t CRCMask);
|
|
uint8_t ComputeCrc5Bit(uint8_t * DMRData);
|
|
uint8_t * DmrAlgIdToStr(uint8_t AlgID);
|
|
uint8_t * DmrAlgPrivacyModeToStr(uint32_t PrivacyMode);
|
|
void ProcessDmrPIHeader(dsd_opts * opts, dsd_state * state, uint8_t info[196], uint8_t syncdata[48], uint8_t SlotType[20]);
|
|
|
|
void Hamming_7_4_init();
|
|
void Hamming_7_4_encode(unsigned char *origBits, unsigned char *encodedBits);
|
|
bool Hamming_7_4_decode(unsigned char *rxBits);
|
|
|
|
void Hamming_12_8_init();
|
|
void Hamming_12_8_encode(unsigned char *origBits, unsigned char *encodedBits);
|
|
bool Hamming_12_8_decode(unsigned char *rxBits, unsigned char *decodedBits, int nbCodewords);
|
|
|
|
void Hamming_13_9_init();
|
|
void Hamming_13_9_encode(unsigned char *origBits, unsigned char *encodedBits);
|
|
bool Hamming_13_9_decode(unsigned char *rxBits, unsigned char *decodedBits, int nbCodewords);
|
|
|
|
void Hamming_15_11_init();
|
|
void Hamming_15_11_encode(unsigned char *origBits, unsigned char *encodedBits);
|
|
bool Hamming_15_11_decode(unsigned char *rxBits, unsigned char *decodedBits, int nbCodewords);
|
|
|
|
void Hamming_16_11_4_init();
|
|
void Hamming_16_11_4_encode(unsigned char *origBits, unsigned char *encodedBits);
|
|
bool Hamming_16_11_4_decode(unsigned char *rxBits, unsigned char *decodedBits, int nbCodewords);
|
|
|
|
void Golay_20_8_init();
|
|
void Golay_20_8_encode(unsigned char *origBits, unsigned char *encodedBits);
|
|
bool Golay_20_8_decode(unsigned char *rxBits);
|
|
|
|
void Golay_23_12_init();
|
|
void Golay_23_12_encode(unsigned char *origBits, unsigned char *encodedBits);
|
|
bool Golay_23_12_decode(unsigned char *rxBits);
|
|
|
|
void Golay_24_12_init();
|
|
void Golay_24_12_encode(unsigned char *origBits, unsigned char *encodedBits);
|
|
bool Golay_24_12_decode(unsigned char *rxBits);
|
|
|
|
void QR_16_7_6_init();
|
|
void QR_16_7_6_encode(unsigned char *origBits, unsigned char *encodedBits);
|
|
bool QR_16_7_6_decode(unsigned char *rxBits);
|
|
|
|
void InitAllFecFunction(void);
|
|
|
|
//end borrow from LEH
|
|
|
|
void resetState (dsd_state * state);
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
void open_rtlsdr_stream(dsd_opts *opts);
|
|
void cleanup_rtlsdr_stream();
|
|
void get_rtlsdr_sample(int16_t *sample);
|
|
void rtlsdr_sighandler();
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif // DSD_H
|