/* MyMonModulesFMS.h
*
* This file is part of MyMonitor
*
* Copyright (C) 1996
* Thomas Sailer (sailer@ife.ee.ethz.ch, hb9jnx@hb9w.che.eu)
*
* Copyright (C) 1998-2002
* Markus Grohmann (markus_grohmann@gmx.de)
*
* Copyright (c) 2002
* Stephan Effertz (mail@stephan-effertz.de)
*
*
* (Demodulation parts taken from monitor (c) Markus Grohmann)
*
* This program 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 2 of the License, or
* (at your option) any later version.
*
* This program 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 this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/* ---------------------------------------------------------------------- */
#if !defined(AFX_MYMONMODULEFMS_H__680AB4C3_EAB0_4D03_A913_869FB97EA730__INCLUDED_)
#define AFX_MYMONMODULEFMS_H__680AB4C3_EAB0_4D03_A913_869FB97EA730__INCLUDED_
#if _MSC_VER > 1000
// #pragma once
#endif // _MSC_VER > 1000
#include "MonitorModules.h"
#include "math.h"
//#include "resource.h"
// #define FMSDEBUG
#define FREQ_MARK 1200
#define FREQ_SPACE 1800
#define BAUD 1200
#define SUBSAMP 1
// war:2
#define LINELEN 240
#define ITEMLEN 50
// F�r die SE - FMS Auswertung
// kann bis 44100 Hz eine ganze FMS Aussendung erfassen
// (44100Hz/1200Bit/s)*56Bit=2058 + Auswertungsspielraum
#define FMS_BUFFERSIZE 10000
struct LINE {
char string[LINELEN], subst[ITEMLEN];
long value;
struct LINE *next;
};
typedef struct LINE Line ;
//
/* ---------------------------------------------------------------------- */
#ifdef WIN32
#ifndef M_PI
const float M_PI = 3.14159265358979 ;
#endif
#endif
static const unsigned short crc_table[] = {
48, 48, 48, 48, 48, 48, 48, 27,
48, 48, 48, 18, 48, 5, 26, 48,
48, 48, 48, 37, 48, 1, 17, 48,
48, 8, 4, 48, 25, 48, 48, 48,
48, 48, 48, 42, 48, 22, 36, 48,
48, 30, 0, 48, 16, 48, 48, 13,
48, 48, 7, 48, 3, 48, 48, 10,
24, 48, 48, 32, 48, 48, 48, 48,
48, 48, 48, 48, 48, 46, 41, 48,
48, 40, 21, 48, 35, 48, 48, 45,
48, 20, 29, 48, 48, 48, 48, 39,
15, 48, 48, 44, 48, 34, 12, 48,
48, 28, 48, 48, 6, 48, 48, 19,
2, 48, 48, 38, 48, 48, 9, 48,
23, 48, 48, 43, 48, 14, 31, 48,
48, 11, 48, 48, 48, 48, 48, 33,
};
/** Auswerter f�r FMS Aussendungen.
* Werte die �bergebenen Tondaten aus und sucht nach FMS Aussendungen
* Gefundene Daten werden per XML an den Hauptproze� zur�ckgegeben
*/
class MonitorModuleFMS :
public MonitorModule {
public:
bool IsValid();
bool test_rxbit(unsigned char bit);
void ClearRXBuf();
int PruefeTelegramm(int start);
int SucheSync(int start);
void demod_neu(float *buffer, int length);
void demod_se(float *buffer, int length);
virtual void demod(float* buffer, int length);
MonitorModuleFMS(int sampleRate=22050,int vorlaufbits=8, bool crccheck=0, float signallevel=0.4, bool ignore_Wiederholung=true, bool ignore_Quittung=true, int algorithm=1,bool error_correction=false, bool force_preambel=false) ;
MonitorModuleFMS(unsigned int sampleRate,XMLNode *pConfig) ;
virtual ~MonitorModuleFMS();
protected:
int distCounter ;
int rules();
int crc_check(int offset);
int decode(bool test=false);
int dcd_buffer[FMS_BUFFERSIZE+100] ;
int CORRLEN ;
long SPHASEINC ;
virtual void parseConfigData() ;
bool rxbit(unsigned char bit, bool test=false);
void initialize(int sampleRate, int vorlaufbits, bool crccheck, float signallevel, bool ignore_Wiederholung, bool ignore_Quittung, int algorithm, bool error_correction, bool force_preambel);
/*******************************************************
Decoder Variables & Coef. calculation
*******************************************************/
float lp1_c[3],lp2_c[3],bp0_c[3],bp1_c[3];
float lp1_b[4],lp2_b[4],bp0_b[4],bp1_b[4];
unsigned short bit_phase ;
// Das geht bis max 44100 Hz Samplerate (MaxWert=Samplerate/Baud) (44100/1200=37) ;
float corr_mark_i[40];
float corr_mark_q[40];
float corr_space_i[40];
float corr_space_q[40];
float m_fZwPuffer[80] ; // Um den Bereich der L�nge CORRLEN am Ende des Blocks zwischenzuspeichern
//short int int_corr_mark_i[40];
//short int int_corr_mark_q[40];
//short int int_corr_space_i[40];
//short int int_corr_space_q[40];
unsigned int dcd_shreg ;
unsigned int sphase ;
unsigned int lasts[11] ;
unsigned int lastout ;
unsigned int subsamp ;
short quittung ;
struct FMS {
unsigned short
bos[1],
land[1],
ort[2],
kfz[4],
stat[1],
bst[1],
dir[1],
tki[1],
crc[7];
short txtnr ;
} fms ;
struct VALS{
short quality ;
unsigned short txtinc, bit, ctrl ;
} vals ;
protected:
void fms_bin(short offset, char *c);
void DisplayResult(const std::string input="");
bool CheckForQuittung();
bool CheckForDupes();
void StoreForDupeCheck();
void fms_txt(short offset,char *c);
bool error_correction();
bool IsRelatedMessage();
void StoreForReverseCheck();
void ErrorOut();
bool IsSyncWord(unsigned long);
bool feedBuffer(int & start);
bool RMExists();
bool rx_sample(int x);
void set_filters(float f0, float f1, float dr);
void gen_coef(int tipo, float f0, float Q, float *pcoef);
float biq_hp(float x,float *pcoef,float *buf);
float biq_bp(float x,float *pcoef,float *buf);
float biq_lp(float x,float *pcoef,float *buf);
//int m_iSkipCounter;
bool m_bErrorCorrection;
int m_iLastSyncState, m_bPrintError ;
int m_iAlgorithmus;
unsigned int m_iLastrxstate ;
float m_fSignallevel;
Line* txtbuf;
std::string m_lpszStatusTabelle;
float m_PLLFaktor;
int SPHASEINC_BASE;
int summe;
struct FMS m_LastMessage;
struct FMS m_ReverseCheckMessage ;
float m_fPLLFaktor ;
float Ud ;
#ifdef FMSDEBUG
FILE *debugFile1, *debugFile2, *debugFile3, *debugFile4;
float fileBuffer1[50000],fileBuffer2[50000], fileBuffer3[50000] ;
float *pBuffer1, *pBuffer2, *pBuffer3 ;
long bufferLen1,bufferLen2, bufferLen3 ;
#endif
};
#endif // !defined(AFX_MYMONMODULEFMS_H__680AB4C3_EAB0_4D03_A913_869FB97EA730__INCLUDED_)
root