demodulator.h

QAM module to use in Java with an easy interface and powerful performance

//---------------------------------------------------------------------------

#ifndef DeModulatorH
#define DeModulatorH
//---------------------------------------------------------------------------
//License: GNU
//
//
//
//    J-QAM sound card modem
//
//    Copyright (C) 2007-2008  Jonti Olds
//
//
//
//    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 3 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, see <http://www.gnu.org/licenses/>
#include "Constants.h"
#include "Settings.h"
#include "DDCarrierTracker.h"
#include "MGardner.h"
#include "DataDeFormatter.h"
#include "MCMA.h"
#include <vector>
#include "FrequencyScanner.h"
#include "Graph.h"
#include "SpectrumDisplay.h"

//---------------------------------------------------------------------------

using namespace std;

class Demodulator
{
public:

        SpectrumDisplay spec;
        __fastcall Demodulator(void (__closure __fastcall *APacketCallBackFunc)(void));
        __fastcall ~Demodulator();
        void __fastcall Update(short * Data, int size);

        void (__closure __fastcall *PacketCallBackFunc)(void);

        void (__closure __fastcall *GraphingCallBackFunc)(void);

        MCMA Cma;
        bool Cliping;
        DataDeFormatter *datadeformatter;
        double CmaFinishedThreshold;
        double AmaFinishedThreshold;
        void __fastcall AcquisitionStateMachine();
        unsigned char RXCharBuff[RX_CHAR_BUFF_SIZE];
        int RXCharBuffPtr;
        int lastretword;

        //carrier tracker and symbol tracker
        DDCarrierTracker dd;
        MGardner mgard;

        vector <double> h;
        vector <PtComplex> Buff;
        int BuffPtr;
        int BuffSize;

        WaveTable Wt;
        SymbolTimer st;

        double AdjSum;
        int AdjCnt;
        double AdjSpeed;

        int lockoffcntdown;

        double smse;
        int amatimeout;

        FrequencyScanner fs;

        Plotdata *pd;
        int pdptr;

        void __fastcall FFTScanningUpdate();
        void __fastcall SetNewFrequencySettigs(FrequencySetting fsetngs);

        int TryingFreqSettingAMANotOnTimeoutCnt;



        int SymbolCnt,LockCnt;

        int NumOfBadPkts;
        int PktsTimer;
        int N2;
        int BadBitsCountDown;

        bool FirstPacket;

        int FirSizeFactor;

private:
        void __fastcall SettingsHaveChanged(NotificationEventType WhatHasChanged);

};

//---------------------------------------------------------------------------
#endif