kopia lustrzana https://github.com/jamescoxon/dl-fldigi
179 wiersze
3.7 KiB
C++
179 wiersze
3.7 KiB
C++
// ----------------------------------------------------------------------------
|
|
// ifkp.h -- BASIS FOR ALL MODEMS
|
|
//
|
|
// Copyright (C) 2006
|
|
// Dave Freese, W1HKJ
|
|
//
|
|
// This file is part of fldigi.
|
|
//
|
|
// Fldigi is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// Fldigi is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with fldigi. If not, see <http://www.gnu.org/licenses/>.
|
|
// ----------------------------------------------------------------------------
|
|
|
|
#ifndef _IFKP_H
|
|
#define _IFKP_H
|
|
|
|
#include <string>
|
|
|
|
#include "trx.h"
|
|
#include "modem.h"
|
|
#include "complex.h"
|
|
#include "filters.h"
|
|
#include "picture.h"
|
|
#include <FL/Fl_Shared_Image.H>
|
|
|
|
class ifkp : public modem {
|
|
|
|
#define IFKP_FFTSIZE 4096
|
|
#define IFKP_SYMLEN 4096
|
|
|
|
#define IFKP_BLOCK_SIZE IFKP_FFTSIZE
|
|
#define IFKP_SHIFT_SIZE (IFKP_SYMLEN / 16)
|
|
|
|
//#define IFKP_SR 8000 //16000
|
|
|
|
#define IFKP_SPACING 3
|
|
#define IFKP_OFFSET 1
|
|
#define IFKP_NUMBINS 151 // 3 bin spacing
|
|
#define IMAGESPP 8 //16 , 12, 8
|
|
|
|
enum IFKP_STATE {TEXT, IMAGE_START, IMAGE_SYNC, IMAGE};
|
|
|
|
public:
|
|
int symlen;
|
|
|
|
protected:
|
|
// Rx
|
|
double rx_stream[IFKP_BLOCK_SIZE + IFKP_SHIFT_SIZE];
|
|
cmplx fft_data[2*IFKP_FFTSIZE];
|
|
double a_blackman[IFKP_BLOCK_SIZE];
|
|
C_FIR_filter *rxfilter;
|
|
double tones[IFKP_NUMBINS];
|
|
Cmovavg *binfilt[IFKP_NUMBINS];
|
|
int movavg_size;
|
|
int bkptr;
|
|
g_fft<double> *fft;
|
|
Cmovavg *snfilt;
|
|
double val;
|
|
double max;
|
|
double noise;
|
|
int peak;
|
|
int prev_peak;
|
|
int last_peak;
|
|
int peak_counter;
|
|
int peak_hits;
|
|
int symbol;
|
|
int prev_symbol;
|
|
int curr_nibble;
|
|
int prev_nibble;
|
|
|
|
void process_symbol(int);
|
|
void parse_pic(int);
|
|
double s2n;
|
|
char szestimate[40];
|
|
std::string station_calling;
|
|
std::string rx_text;
|
|
std::string toprint;
|
|
std::string pic_str;
|
|
|
|
IFKP_STATE state;
|
|
|
|
// Tx
|
|
// C_FIR_filter *xmtfilt;
|
|
double baud;
|
|
int tone;
|
|
int prevtone;
|
|
double txphase;
|
|
bool send_bot;
|
|
void transmit(double *buf, int len);
|
|
void send_char (int);
|
|
void send_idle ();
|
|
void send_symbol(int sym);
|
|
void send_tone(int tone);
|
|
std::string xmt_string;
|
|
double xmtdelay();
|
|
|
|
// RxTx
|
|
int basetone;
|
|
double metric;
|
|
bool ch_sqlch_open;
|
|
std::string mycall;
|
|
|
|
void show_mode();
|
|
void process_tones();
|
|
|
|
bool valid_char(int);
|
|
|
|
std::string heard_log_fname;
|
|
std::string audit_log_fname;
|
|
std::ofstream heard_log;
|
|
std::ofstream audit_log;
|
|
|
|
public:
|
|
//----
|
|
// virtual in base class
|
|
ifkp (trx_mode md);
|
|
~ifkp ();
|
|
void init ();
|
|
void rx_init ();
|
|
void restart ();
|
|
void tx_init (SoundBase *sc);
|
|
int rx_process (const double *buf, int len);
|
|
int tx_process ();
|
|
|
|
void set_freq(double);
|
|
//----
|
|
|
|
// support for ifkp image transfers
|
|
private:
|
|
double amplitude;
|
|
double pixel;
|
|
double sync;
|
|
bool TX_IMAGE;
|
|
bool TX_AVATAR;
|
|
unsigned char tx_pixel;
|
|
int tx_pixelnbr;
|
|
int image_mode;
|
|
bool b_ava;
|
|
public:
|
|
int byte;
|
|
double picf;
|
|
double picpeak;
|
|
C_FIR_filter *picfilter;
|
|
Cmovavg *pixfilter;
|
|
Cmovavg *ampfilter;
|
|
Cmovavg *syncfilter;
|
|
double phidiff;
|
|
double phase;
|
|
cmplx prevz;
|
|
cmplx currz;
|
|
double image_freq[10];
|
|
int image_counter;
|
|
int picW;
|
|
int picH;
|
|
int row;
|
|
int col;
|
|
int rgb;
|
|
int pixelnbr;
|
|
static int IMAGEspp;
|
|
int TXspp;
|
|
void recvpic(double smpl);
|
|
void send_image();
|
|
void send_avatar();
|
|
void ifkp_send_avatar();
|
|
void ifkp_send_image(std::string s = "");
|
|
|
|
};
|
|
|
|
#endif
|