dsd-fme_18_05_2023/include/dsd.h

918 lines
32 KiB
C

#ifndef DSD_H
#define DSD_H
/*
* Copyright (C) 2010 DSD Author
* GPG Key ID: 0x3F1D7FD0 (74EF 430D F7F2 0A48 FCE6 F630 FAA2 635D 3F1D 7FD0)
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND ISC DISCLAIMS ALL WARRANTIES WITH
* REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY
* AND FITNESS. IN NO EVENT SHALL ISC BE LIABLE FOR ANY SPECIAL, DIRECT,
* INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM
* LOSS OF USE, DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE
* OR OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
//pretty pretty colors
#define KNRM "\x1B[0m"
#define KRED "\x1B[31m"
#define KGRN "\x1B[32m"
#define KYEL "\x1B[33m"
#define KBLU "\x1B[34m"
#define KMAG "\x1B[35m"
#define KCYN "\x1B[36m"
#define KWHT "\x1B[37m"
#include "config.h"
#include <stdio.h>
#include <stdlib.h>
#include <signal.h>
#include <string.h>
#define __USE_XOPEN //compiler warning on this, needed for strptime, seems benign
#include <time.h>
#include <sys/time.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <fcntl.h>
#include <unistd.h>
#include <math.h>
#include <mbelib.h>
#include <sndfile.h>
#include "p25p1_heuristics.h"
#include <pulse/simple.h> //PULSE AUDIO
#include <pulse/error.h> //PULSE AUDIO
#define SAMPLE_RATE_IN 48000 //48000
#define SAMPLE_RATE_OUT 8000 //8000,
#ifdef USE_RTLSDR
#include <rtl-sdr.h>
#endif
#include <locale.h>
#include <ncurses.h>
static volatile int exitflag;
typedef struct
{
uint8_t RFChannelType;
uint8_t FunctionnalChannelType;
uint8_t Option;
uint8_t Direction;
uint8_t CompleteLich; /* 7 bits of LICH without parity */
uint8_t PreviousCompleteLich; /* 7 bits of previous LICH without parity */
} NxdnLich_t;
typedef struct
{
uint8_t StructureField;
uint8_t RAN;
uint8_t Data[18];
uint8_t CrcIsGood;
} NxdnSacchRawPart_t;
typedef struct
{
uint8_t Data[80];
uint8_t CrcIsGood;
} NxdnFacch1RawPart_t;
typedef struct
{
uint8_t Data[184];
uint8_t CrcIsGood;
} NxdnFacch2RawPart_t;
typedef struct
{
uint8_t F1;
uint8_t F2;
uint8_t MessageType;
/****************************/
/***** VCALL parameters *****/
/****************************/
uint8_t CCOption;
uint8_t CallType;
uint8_t VoiceCallOption;
uint16_t SourceUnitID;
uint16_t DestinationID; /* May be a Group ID or a Unit ID */
uint8_t CipherType;
uint8_t KeyID;
uint8_t VCallCrcIsGood;
/*******************************/
/***** VCALL_IV parameters *****/
/*******************************/
uint8_t IV[8];
uint8_t VCallIvCrcIsGood;
/*****************************/
/***** Custom parameters *****/
/*****************************/
/* Specifies if the "CipherType" and the "KeyID" parameter are valid
* 1 = Valid ; 0 = CRC error */
uint8_t CipherParameterValidity;
/* Used on DES and AES encrypted frames */
uint8_t PartOfCurrentEncryptedFrame; /* Could be 1 or 2 */
uint8_t PartOfNextEncryptedFrame; /* Could be 1 or 2 */
uint8_t CurrentIVComputed[8];
uint8_t NextIVComputed[8];
} NxdnElementsContent_t;
//Read Solomon (12,9) constant
#define RS_12_9_DATASIZE 9
#define RS_12_9_CHECKSUMSIZE 3
//Read Solomon (12,9) struct
typedef struct
{
uint8_t data[RS_12_9_DATASIZE+RS_12_9_CHECKSUMSIZE];
} rs_12_9_codeword_t;
// Maximum degree of various polynomials.
#define RS_12_9_POLY_MAXDEG (RS_12_9_CHECKSUMSIZE*2)
typedef struct
{
uint8_t data[RS_12_9_POLY_MAXDEG];
} rs_12_9_poly_t;
#define RS_12_9_CORRECT_ERRORS_RESULT_NO_ERRORS_FOUND 0
#define RS_12_9_CORRECT_ERRORS_RESULT_ERRORS_CORRECTED 1
#define RS_12_9_CORRECT_ERRORS_RESULT_ERRORS_CANT_BE_CORRECTED 2
typedef uint8_t rs_12_9_correct_errors_result_t;
typedef struct
{
uint8_t bytes[3];
} rs_12_9_checksum_t;
typedef struct
{
char VoiceFrame[3][72]; /* 3 x 72 bit of voice per time slot frame */
char Sync[48]; /* 48 bit of data or SYNC per time slot frame */
}TimeSlotRawVoiceFrame_t;
typedef struct
{
char DeInterleavedVoiceSample[3][4][24]; /* 3 x (4 x 24) deinterleaved bit of voice per time slot frame */
}TimeSlotDeinterleavedVoiceFrame_t;
typedef struct
{
int errs1[3]; /* 3 x errors #1 computed when demodulate the AMBE voice bit of the frame */
int errs2[3]; /* 3 x errors #2 computed when demodulate the AMBE voice bit of the frame */
char AmbeBit[3][49]; /* 3 x 49 bit of AMBE voice of the frame */
}TimeSlotAmbeVoiceFrame_t;
typedef struct
{
unsigned int ProtectFlag;
unsigned int Reserved;
unsigned int FullLinkControlOpcode;
unsigned int FeatureSetID;
unsigned int ServiceOptions;
unsigned int GroupAddress; /* Destination ID or TG (in Air Interface format) */
unsigned int SourceAddress; /* Source ID (in Air Interface format) */
unsigned int DataValidity; /* 0 = All Full LC data are incorrect ; 1 = Full LC data are correct (CRC checked OK) */
unsigned int LeftOvers; //what is the 8 bits for that isn't used
}FullLinkControlPDU_t;
typedef struct
{
TimeSlotRawVoiceFrame_t TimeSlotRawVoiceFrame[6]; /* A voice superframe contains 6 timeslot voice frame */
TimeSlotDeinterleavedVoiceFrame_t TimeSlotDeinterleavedVoiceFrame[6];
TimeSlotAmbeVoiceFrame_t TimeSlotAmbeVoiceFrame[6];
FullLinkControlPDU_t FullLC;
} TimeSlotVoiceSuperFrame_t;
//dPMR
/* Could only be 2 or 4 */
#define NB_OF_DPMR_VOICE_FRAME_TO_DECODE 2
typedef struct
{
unsigned char RawVoiceBit[NB_OF_DPMR_VOICE_FRAME_TO_DECODE * 4][72];
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 */
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 */
unsigned char AmbeBit[NB_OF_DPMR_VOICE_FRAME_TO_DECODE * 4][49]; /* 8 x 49 bit of AMBE voice of the frame */
unsigned char CCHData[NB_OF_DPMR_VOICE_FRAME_TO_DECODE][48];
unsigned int CCHDataHammingOk[NB_OF_DPMR_VOICE_FRAME_TO_DECODE];
unsigned char CCHDataCRC[NB_OF_DPMR_VOICE_FRAME_TO_DECODE];
unsigned int CCHDataCrcOk[NB_OF_DPMR_VOICE_FRAME_TO_DECODE];
unsigned char CalledID[8];
unsigned int CalledIDOk;
unsigned char CallingID[8];
unsigned int CallingIDOk;
unsigned int FrameNumbering[NB_OF_DPMR_VOICE_FRAME_TO_DECODE];
unsigned int CommunicationMode[NB_OF_DPMR_VOICE_FRAME_TO_DECODE];
unsigned int Version[NB_OF_DPMR_VOICE_FRAME_TO_DECODE];
unsigned int CommsFormat[NB_OF_DPMR_VOICE_FRAME_TO_DECODE];
unsigned int EmergencyPriority[NB_OF_DPMR_VOICE_FRAME_TO_DECODE];
unsigned int Reserved[NB_OF_DPMR_VOICE_FRAME_TO_DECODE];
unsigned char SlowData[NB_OF_DPMR_VOICE_FRAME_TO_DECODE];
unsigned int ColorCode[NB_OF_DPMR_VOICE_FRAME_TO_DECODE / 2];
} dPMRVoiceFS2Frame_t;
//
typedef struct
{
int onesymbol;
char mbe_in_file[1024];
FILE *mbe_in_f;
int errorbars;
int datascope;
int symboltiming;
int verbose;
int p25enc;
int p25lc;
int p25status;
int p25tg;
int scoperate;
char audio_in_dev[1024];
int audio_in_fd;
SNDFILE *audio_in_file;
SF_INFO *audio_in_file_info;
uint32_t rtlsdr_center_freq;
int rtlsdr_ppm_error; //was int, changed to float
int audio_in_type; // 0 for device, 1 for file, 3 for rtlsdr
char audio_out_dev[1024];
int audio_out_fd;
SNDFILE *audio_out_file;
SF_INFO *audio_out_file_info;
int audio_out_type; // 0 for device, 1 for file,
int split;
int playoffset;
int playoffsetR;
char mbe_out_dir[1024];
char mbe_out_file[1024];
char mbe_out_path[1024];
FILE *mbe_out_f;
FILE *symbol_out_f;
float audio_gain;
float audio_gainR;
int audio_out;
int dmr_stereo_wav;
char wav_out_file[1024];
char wav_out_fileR[1024];
char wav_out_file_raw[1024];
char symbol_out_file[1024];
char lrrp_out_file[1024];
short int symbol_out;
SNDFILE *wav_out_f;
SNDFILE *wav_out_fR;
SNDFILE *wav_out_raw;
//int wav_out_fd;
int serial_baud;
char serial_dev[1024];
int serial_fd;
int resume;
int frame_dstar;
int frame_x2tdma;
int frame_p25p1;
int frame_p25p2;
int frame_nxdn48;
int frame_nxdn96;
int frame_dmr;
int frame_provoice;
int mod_c4fm;
int mod_qpsk;
int mod_gfsk;
int uvquality;
int inverted_x2tdma;
int inverted_dmr;
int mod_threshold;
int ssize;
int msize;
int playfiles;
int delay;
int use_cosine_filter;
int unmute_encrypted_p25;
int rtl_dev_index;
int rtl_gain_value;
int rtl_squelch_level;
int rtl_volume_multiplier;
int rtl_udp_port;
int rtl_bandwidth;
int rtl_started;
int monitor_input_audio;
int pulse_raw_rate_in;
int pulse_raw_rate_out;
int pulse_digi_rate_in;
int pulse_digi_rate_out;
int pulse_raw_in_channels;
int pulse_raw_out_channels;
int pulse_digi_in_channels;
int pulse_digi_out_channels;
int pulse_flush;
pa_simple *pulse_raw_dev_in;
pa_simple *pulse_raw_dev_out;
pa_simple *pulse_digi_dev_in;
pa_simple *pulse_digi_dev_out;
pa_simple *pulse_digi_dev_outR;
int use_ncurses_terminal;
int ncurses_compact;
int ncurses_history;
int reset_state;
int payload;
char output_name[1024];
unsigned int dPMR_curr_frame_is_encrypted;
int dPMR_next_part_of_superframe;
int inverted_dpmr;
int frame_dpmr;
short int dmr_stereo;
short int lrrp_file_output;
short int dmr_mute_encL;
short int dmr_mute_encR;
int frame_ysf;
int inverted_ysf;
short int aggressive_framesync;
FILE *symbolfile;
} dsd_opts;
typedef struct
{
int *dibit_buf;
int *dibit_buf_p;
int *dmr_payload_buf;
int *dmr_payload_p;
int repeat;
short *audio_out_buf;
short *audio_out_buf_p;
short *audio_out_bufR;
short *audio_out_buf_pR;
float *audio_out_float_buf;
float *audio_out_float_buf_p;
float *audio_out_float_bufR;
float *audio_out_float_buf_pR;
float audio_out_temp_buf[160];
float *audio_out_temp_buf_p;
float audio_out_temp_bufR[160];
float *audio_out_temp_buf_pR;
int audio_out_idx;
int audio_out_idx2;
int audio_out_idxR;
int audio_out_idx2R;
//int wav_out_bytes;
int center;
int jitter;
int synctype;
int min;
int max;
int lmid;
int umid;
int minref;
int maxref;
int lastsample;
int sbuf[128];
int sidx;
int maxbuf[1024];
int minbuf[1024];
int midx;
char err_str[64];
char err_buf[64];
char err_strR[64];
char err_bufR[64];
char fsubtype[16];
char ftype[16];
int symbolcnt;
int symbolc;
int rf_mod;
int numflips;
int lastsynctype;
int lastp25type;
int offset;
int carrier;
char tg[25][16];
int tgcount;
int lasttg;
int lasttgR;
int lastsrc;
int lastsrcR;
int nac;
int errs;
int errs2;
int errsR;
int errs2R;
int mbe_file_type;
int optind;
int numtdulc;
int firstframe;
char slot0light[8];
//char slot1light[8];
float aout_gain;
float aout_gainR;
float aout_max_buf[200];
float aout_max_bufR[200];
float *aout_max_buf_p;
float *aout_max_buf_pR;
int aout_max_buf_idx;
int aout_max_buf_idxR;
int samplesPerSymbol;
int symbolCenter;
char algid[9];
char keyid[17];
int currentslot;
int hardslot;
mbe_parms *cur_mp;
mbe_parms *prev_mp;
mbe_parms *prev_mp_enhanced;
mbe_parms *cur_mp2;
mbe_parms *prev_mp2;
mbe_parms *prev_mp_enhanced2;
int p25kid;
int payload_algid;
int payload_algidR;
int payload_keyid;
int payload_keyidR;
int payload_mfid;
int payload_mfidR;
int payload_mi;
int payload_miR;
unsigned long long int payload_miN;
unsigned long long int payload_miP;
int p25vc;
unsigned long long int K;
int menuopen;
unsigned int debug_audio_errors;
unsigned int debug_audio_errorsR;
unsigned int debug_header_errors;
unsigned int debug_header_critical_errors;
// Last dibit read
int last_dibit;
// Heuristics state data for +P5 signals
P25Heuristics p25_heuristics;
// Heuristics state data for -P5 signals
P25Heuristics inv_p25_heuristics;
//input sample buffer for monitoring Input
short input_sample_buffer; //HERE HERE
short pulse_raw_out_buffer; //HERE HERE
unsigned int dmr_color_code;
unsigned int nxdn_last_ran;
unsigned int nxdn_last_rid;
unsigned int nxdn_last_tg;
unsigned int nxdn_cipher_type;
unsigned int nxdn_key;
char nxdn_call_type[1024];
char dmr_callsign[2][6][99]; //plenty of room in case of overflow;
char dmr_lrrp[2][6][9999]; //memory hog
unsigned long long int dmr_lrrp_source[2];
NxdnSacchRawPart_t NxdnSacchRawPart[4];
NxdnFacch1RawPart_t NxdnFacch1RawPart[2];
NxdnFacch2RawPart_t NxdnFacch2RawPart;
NxdnElementsContent_t NxdnElementsContent;
NxdnLich_t NxdnLich;
int printNXDNAmbeVoiceSampleHex;
char ambe_ciphered[49];
char ambe_deciphered[49];
unsigned int color_code;
unsigned int color_code_ok;
unsigned int PI;
unsigned int PI_ok;
unsigned int LCSS;
unsigned int LCSS_ok;
unsigned int dmr_fid;
unsigned int dmr_so;
unsigned int dmr_fidR;
unsigned int dmr_soR;
char slot1light[8];
char slot2light[8];
int directmode;
TimeSlotVoiceSuperFrame_t TS1SuperFrame;
TimeSlotVoiceSuperFrame_t TS2SuperFrame;
char dmr_branding[25];
uint8_t dmr_12_rate_sf[2][288]; //was 84, expanded to 288 to prevent possible crash if more comes in than expected
uint8_t dmr_34_rate_sf[2][288]; //was 96, expanded to 288 to prevent possible crash if more comes in than expected
int dmr_stereo_payload[144]; //load up 144 dibit buffer for every single DMR TDMA frame
uint8_t data_header_blocks[2]; //collect number of blocks to follow from data header per slot
uint8_t data_header_padding[2]; //collect number of padding octets in last block per slot
uint8_t data_header_format[2]; //collect format of data header (conf or unconf) per slot
uint8_t data_header_sap[2]; //collect sap info per slot
uint8_t data_block_counter[2]; //counter for number of data blocks collected
uint8_t data_p_head[2]; //flag for dmr proprietary header to follow
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;
short int dmr_stereo; //need state variable for upsample function
short int dmr_ms_rc;
short int dmr_ms_mode;
unsigned int dmrburstL;
unsigned int dmrburstR;
unsigned long long int R;
unsigned long long int H;
unsigned long long int HYTL;
unsigned long long int HYTR;
int DMRvcL;
int DMRvcR;
// int block_count;
short int dmr_encL;
short int dmr_encR;
//dstar header for ncurses
unsigned char dstarradioheader[41];
#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 FUSION_SYNC "31111311313113131131" //HA!
#define INV_FUSION_SYNC "13333133131331313313" //HA!
#define INV_P25P1_SYNC "333331331133111131311111"
#define P25P1_SYNC "111113113311333313133333"
//preliminary P2 sync
// static const uint64_t P25P2_FRAME_SYNC_MAGIC = 0x575D57F7FFLL; // 40 bits
// static const uint64_t P25P2_FRAME_SYNC_REV_P = 0x575D57F7FFLL ^ 0xAAAAAAAAAALL;
#define P25P2_SYNC "11131131111333133333"
#define INV_P25P2_SYNC "33313313333111311111"
// static const uint64_t P25P2_FRAME_SYNC_MASK = 0xFFFFFFFFFFLL; //wonder what the mask was for if its all F
//
// static const uint64_t P25P2_FRAME_SYNC_N1200 = 0x0104015155LL;
//#define P25P2_SYNC_N ""
// static const uint64_t P25P2_FRAME_SYNC_X2400 = 0xa8a2a8d800LL;
//#define P25P2_SYNC_X ""
// static const uint64_t P25P2_FRAME_SYNC_P1200 = 0xfefbfeaeaaLL;
//#define P25P2_SYNC_P ""
#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"
#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"
//Testing NXDN FSW again
#define NXDN_FSW "3131331131"
#define DMR_RC_DATA_SYNC "131331111133133133311313"
#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"
#define INV_PROVOICE_SYNC "31313111333133133311331133113311"
#define PROVOICE_SYNC "13131333111311311133113311331133"
#define INV_PROVOICE_EA_SYNC "13313133113113333311313133133311"
#define PROVOICE_EA_SYNC "31131311331331111133131311311133"
#define DPMR_FRAME_SYNC_1 "111333331133131131111313"
#define DPMR_FRAME_SYNC_2 "113333131331"
#define DPMR_FRAME_SYNC_3 "133131333311"
#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 dmrBSBootstrap (dsd_opts * opts, dsd_state * state);
void dmrBS (dsd_opts * opts, dsd_state * state);
void dmrMS (dsd_opts * opts, dsd_state * state);
void dmrMSData (dsd_opts * opts, dsd_state * state);
void dmrMSBootstrap (dsd_opts * opts, dsd_state * state);
void processdPMRvoice (dsd_opts * opts, dsd_state * state);
void processAudio (dsd_opts * opts, dsd_state * state);
void processAudioR (dsd_opts * opts, dsd_state * state);
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 closePulseInput (dsd_opts * opts);
void closePulseOutput (dsd_opts * opts);
void writeSynthesizedVoice (dsd_opts * opts, dsd_state * state);
void writeSynthesizedVoiceR (dsd_opts * opts, dsd_state * state);
void playSynthesizedVoice (dsd_opts * opts, dsd_state * state);
void playSynthesizedVoiceR (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);
void PrintAMBEData (dsd_opts * opts, dsd_state * state, char *ambe_d);
void PrintIMBEData (dsd_opts * opts, dsd_state * state, char *imbe_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 openWavOutFileL (dsd_opts * opts, dsd_state * state);
void openWavOutFileR (dsd_opts * opts, dsd_state * state);
void openWavOutFileRaw (dsd_opts * opts, dsd_state * state);
void openSymbolOutFile (dsd_opts * opts, dsd_state * state);
void closeSymbolOutFile (dsd_opts * opts, dsd_state * state);
void writeSymbolOutFile (dsd_opts * opts, dsd_state * state);
void writeRawSample (dsd_opts * opts, dsd_state * state, short sample);
void closeWavOutFile (dsd_opts * opts, dsd_state * state);
void closeWavOutFileL (dsd_opts * opts, dsd_state * state);
void closeWavOutFileR (dsd_opts * opts, dsd_state * state);
void closeWavOutFileRaw (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);
void processYSF(dsd_opts * opts, dsd_state * state); //YSF
void processP2(dsd_opts * opts, dsd_state * state); //P2
short dmr_filter(short sample);
short nxdn_filter(short sample);
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);
void ncursesOpen (dsd_opts * opts, dsd_state * state);
void ncursesPrinter (dsd_opts * opts, dsd_state * state);
void ncursesClose ();
/* 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
/* 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 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]);
void ProcessDMR (dsd_opts * opts, dsd_state * state);
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 ProcessCSBK(dsd_opts * opts, dsd_state * state, uint8_t info[196], uint8_t syncdata[48], uint8_t SlotType[20]);
void ProcessDataData(dsd_opts * opts, dsd_state * state, uint8_t info[196], uint8_t syncdata[48], uint8_t SlotType[20]);
void Process1Data(dsd_opts * opts, dsd_state * state, uint8_t info[196], uint8_t syncdata[48], uint8_t SlotType[20]);
void Process12Data(dsd_opts * opts, dsd_state * state, uint8_t info[196], uint8_t syncdata[48], uint8_t SlotType[20]);
void Process34Data(dsd_opts * opts, dsd_state * state, unsigned char tdibits[98], uint8_t syncdata[48], uint8_t SlotType[20]);
void ProcessMBCData(dsd_opts * opts, dsd_state * state, uint8_t info[196], uint8_t syncdata[48], uint8_t SlotType[20]);
void ProcessMBChData(dsd_opts * opts, dsd_state * state, uint8_t info[196], uint8_t syncdata[48], uint8_t SlotType[20]);
void ProcessReservedData(dsd_opts * opts, dsd_state * state, uint8_t info[196], uint8_t syncdata[48], uint8_t SlotType[20]);
void ProcessUnifiedData(dsd_opts * opts, dsd_state * state, uint8_t info[196], uint8_t syncdata[48], uint8_t SlotType[20]);
//LFSR code courtesy of https://github.com/mattames/LFSR/
int LFSR(dsd_state * state);
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);
void resetState (dsd_state * state);
void dstar_header_decode(dsd_state * state, int radioheaderbuffer[660]);
#ifdef __cplusplus
extern "C" {
#endif
#ifdef USE_RTLSDR
void open_rtlsdr_stream(dsd_opts *opts);
void cleanup_rtlsdr_stream();
void get_rtlsdr_sample(int16_t *sample, dsd_opts * opts, dsd_state * state);
void rtlsdr_sighandler();
#endif
//TRELLIS
void CDMRTrellisTribitsToBits(const unsigned char* tribits, unsigned char* payload);
unsigned int CDMRTrellisCheckCode(const unsigned char* points, unsigned char* tribits);
//unsigned int CDMRTrellisCheckCode(const unsigned char* points, unsigned char* state, unsigned char* tribits);
bool CDMRTrellisFixCode(unsigned char* points, unsigned int failPos, unsigned char* payload);
void CDMRTrellisDeinterleave(const unsigned char* data, signed char* dibits);
void CDMRTrellisDibitsToPoints(const signed char* dibits, unsigned char* points);
void CDMRTrellisPointsToDibits(const unsigned char* points, signed char* dibits);
void CDMRTrellisBitsToTribits(const unsigned char* payload, unsigned char* tribits);
bool CDMRTrellisDecode(const unsigned char* data, unsigned char* payload);
#ifdef __cplusplus
}
#endif
#endif // DSD_H