SSB_HighSpeed_Modem/hsmodem/hsmodem.h

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#pragma once
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#ifdef _WIN32
#define _WIN32_
// ignore senseless warnings invented by M$ to confuse developers
#pragma warning( disable : 4091 )
#pragma warning( disable : 4003 )
#else
#define _LINUX_
#endif
#include <stdio.h>
#include <ctype.h>
#include <string.h>
#include <errno.h>
#include <sys/types.h>
#include <fcntl.h>
#include <signal.h>
#include <stdlib.h>
#include <stdarg.h>
#include <stdint.h>
#include <wchar.h>
#ifdef _WIN32_
#include "Winsock2.h"
#include "io.h"
#include <Windows.h>
#include <iostream>
#include <process.h>
#include <Tlhelp32.h>
#include <winbase.h>
#include <Shlobj.h>
#define _USE_MATH_DEFINES
#include <math.h>
#pragma comment(lib, "libliquid.lib")
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#pragma comment(lib, "libsoundio.lib")
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#pragma comment(lib, "fftw_lib/libfftw3-3.lib")
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#pragma comment(lib, "opus.lib")
#pragma comment(lib, "libcodec2.lib")
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#endif
#ifdef _LINUX_
#include <sys/socket.h>
#include <unistd.h>
#include <sys/time.h>
#include <sys/ioctl.h>
#include <termios.h>
#include <sys/file.h>
#include <pthread.h>
#include <netinet/in.h>
#include <netdb.h>
#include <arpa/inet.h>
#include <pwd.h>
#include <math.h>
#endif
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#include "opus.h"
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#include "liquid.h"
#include "frameformat.h"
#include "fec.h"
#include "udp.h"
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#include "symboltracker.h"
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#include "codec2.h"
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#include "soundio.h"
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#define jpg_tempfilename "rxdata.jpg"
#define CRC16TX 0
#define CRC16RX 1
#define CRC16FILE 2
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// definitions for audio
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#define MAXDEVSTRLEN 5000
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#define CHANNELS 1 // no of channels used
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// voice audio sampling rate
#define VOICE_SAMPRATE 48000 // do NOT change, OPUS works with 48k only
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#define AUDIO_SAMPRATE 48000 // do NOT change, WASAPI VACs work with 48k only
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enum _VOICEMODES_ {
VOICEMODE_OFF,
VOICEMODE_LISTENAUDIOIN,
VOICEMODE_INTERNALLOOP,
VOICEMODE_CODECLOOP,
VOICEMODE_DV_FULLDUPLEX,
VOICEMODE_DV_RXONLY
};
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void init_packer();
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uint8_t* Pack(uint8_t* payload, int type, int status, int* plen, int repeat);
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uint8_t* unpack_data(uint8_t* rxd, int len);
void convertBytesToSyms_QPSK(uint8_t* bytes, uint8_t* syms, int bytenum);
void convertBytesToSyms_8PSK(uint8_t* bytes, uint8_t* syms, int bytenum);
uint8_t* convertQPSKSymToBytes(uint8_t* rxsymbols);
uint8_t* convert8PSKSymToBytes(uint8_t* rxsymbols, int len);
void rotateQPSKsyms(uint8_t* src, uint8_t* dst, int len);
void rotate8PSKsyms(uint8_t* src, uint8_t* dst, int len);
void rotate8APSKsyms(uint8_t* src, uint8_t* dst, int len);
uint8_t* rotateBackQPSK(uint8_t* buf, int len, int rotations);
uint8_t* rotateBack8PSK(uint8_t* buf, int len, int rotations);
uint8_t* rotateBack8APSK(uint8_t* buf, int len, int rotations);
void TX_Scramble(uint8_t* data, int len);
uint8_t* RX_Scramble(uint8_t* data, int len);
uint16_t Crc16_messagecalc(int rxtx, uint8_t* data, int len);
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void showbytestring(char* title, uint8_t* data, int totallen, int anz);
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void measure_speed_syms(int len);
void measure_speed_bps(int len);
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void initFEC();
void GetFEC(uint8_t* txblock, int len, uint8_t* destArray);
int cfec_Reconstruct(uint8_t* darr, uint8_t* destination);
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void io_pb_write_fifo_clear();
int io_init_sound(char* pbname, char* capname);
int io_pb_fifo_freespace(int nolock);
void io_init_pipes();
void io_clear_audio_fifos();
void io_close_audio();
int io_cap_read_fifo(float* data);
void io_readAudioDevices();
uint8_t* io_getAudioDevicelist(int* len);
void io_pb_write_fifo(float sample);
int io_pb_fifo_usedspace();
int io_cap_fifo_usedPercent();
int io_pb_read_fifo_num(float* data, int num);
void io_clear_audio_fifos();
void io_setPBvolume(int v);
void io_setCAPvolume(int v);
void io_setVolume(int pbcap, int v);
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void setVolume_voice(int pbcap, int v);
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void sendAnnouncement();
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void sleep_ms(int ms);
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int getus();
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void GRdata_rxdata(uint8_t* pdata, int len, struct sockaddr_in* rxsock);
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void toGR_sendData(uint8_t* data, int type, int status, int repeat);
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void modulator(uint8_t sym_in);
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int io_pb_fifo_usedBlocks();
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void init_dsp();
int demodulator();
void sendToModulator(uint8_t* d, int len);
void resetModem();
void close_dsp();
void init_fft();
void exit_fft();
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void showbytestringf(char* title, float* data, int totallen, int anz);
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uint16_t* make_waterfall(float fre, int* retlen);
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void toCodecDecoder(uint8_t* pdata, int len);
void init_voiceproc();
void encode(float f);
void init_codec2();
void encode_codec2(float f);
void toCodecDecoder_codec2(uint8_t* pdata, int len);
void closeAllandTerminate();
void close_voiceproc();
void close_codec2();
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void io_voice_init_pipes();
int io_mic_read_fifo(float* data);
void io_ls_write_fifo(float sample);
void io_setLSvolume(int v);
void io_setMICvolume(int v);
char* getDevID(char* devname, int io);
int io_init_voice(char* lsname, char* micname);
int min_int(int a, int b);
void io_close_voice();
int io_ls_read_fifo_num(float* data, int num);
void io_mic_write_fifo(float sample);
void write_sample_s16ne(char* ptr, double sample);
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int io_ls_fifo_usedspace();
void write_sample_float32ne(char* ptr, double sample);
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void km_symtrack_cccf_create(int _ftype,
unsigned int _k,
unsigned int _m,
float _beta,
int _ms);
void km_symtrack_cccf_reset(int mode);
void km_symtrack_cccf_set_bandwidth(float _bw);
void km_symtrack_execute(liquid_float_complex _x, liquid_float_complex* _y, unsigned int* _ny, unsigned int* psym_out);
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extern int speedmode;
extern int bitsPerSymbol;
extern int constellationSize;
extern int speed;
extern int keeprunning;
extern int caprate;
extern int BC_sock_AppToModem;
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extern int DATA_sock_AppToModem;
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extern int UdpDataPort_ModemToApp;
extern int txinterpolfactor;
extern int rxPreInterpolfactor;
extern char appIP[20];
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extern float softwareCAPvolume;
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extern float softwarePBvolume;
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extern int announcement;
extern int ann_running;
extern int transmissions;
extern int linespeed;
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extern uint8_t maxLevel;
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extern uint8_t maxTXLevel;
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extern int VoiceAudioMode;
extern int opusbitrate;
extern int init_audio_result;
extern int init_voice_result;
extern int initialLSvol;
extern int initialMICvol;
extern int codec;
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extern int trigger_resetmodem;
extern int rxlevel_deteced;
extern int rx_in_sync;
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extern float softwareMICvolume;
extern float softwareLSvolume;
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extern int physcaprate;
extern int restart_modems;
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extern int safemode;
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#ifdef _LINUX_
int isRunning(char* prgname);
void install_signal_handler();
int isRunning(char* prgname);
#endif