#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 #include #include #include //#define __USE_XOPEN //compiler warning on this, need to rewrite dsd_file so it doesn't use strptime #include #include #include #include #include #include #include #include #include #include #include "p25p1_heuristics.h" #include //PULSE AUDIO #include //PULSE AUDIO #define SAMPLE_RATE_IN 48000 //48000 #define SAMPLE_RATE_OUT 8000 //8000, #ifdef USE_RTLSDR #include #endif #include #include 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; short int mbe_out; //flag for mbe out, don't attempt fclose more than once 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 inverted_p2; int p2counter; 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; int call_alert; } 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; unsigned long long int K1; unsigned long long int K2; unsigned long long int K3; unsigned long long int K4; int M; 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 RR; unsigned long long int H; unsigned long long int HYTL; unsigned long long int HYTR; int DMRvcL; int DMRvcR; short int dmr_encL; short int dmr_encR; //P2 variables unsigned long long int p2_wacn; unsigned long long int p2_sysid; unsigned long long int p2_cc; //p1 NAC int p2_hardset; //flag for checking whether or not P2 wacn and sysid are hard set by user int p2_scramble_offset; //offset counter for scrambling application int p2_vch_chan_num; //vch channel number (0 or 1, not the 0-11 TS) int ess_b[2][96]; //external storage for ESS_B fragments int fourv_counter[2]; //external reference counter for ESS_B fragment collection int p2_is_lcch; //flag to tell us when a frame is lcch and not sacch //experimental symbol file capture read throttle int symbol_throttle; //throttle speed int use_throttle; //only use throttle if set to 1 //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" #define P25P2_SYNC "11131131111333133333" #define INV_P25P2_SYNC "33313313333111311111" #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 void processTSBK(dsd_opts * opts, dsd_state * state); 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 LFSRN (char * BufferIn, char * BufferOut, 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); //Phase 2 Helper Functions int ez_rs28_ess (int payload[96], int parity[168]); //ezpwd bridge for FME int ez_rs28_facch (int payload[156], int parity[114]); //ezpwd bridge for FME int ez_rs28_sacch (int payload[180], int parity[132]); //ezpwd bridge for FME unsigned long long int isch_lookup (unsigned long long int isch); //isch map lookup int bd_bridge (int payload[196], uint8_t decoded[12]); //bridge to Michael Ossmann Block De-interleaver and 1/2 rate trellis decoder // uint16_t crc16(uint8_t buf[], int len); int crc16_lb_bridge (int payload[190], int len); int crc12_xb_bridge (int payload[190], int len); #ifdef __cplusplus } #endif #endif // DSD_H