//Sebastian Bolewicz grupa 37A

#include "mainwindow.h"
#include "ui_mainwindow.h"
#include <math.h>
#include <cmath>
#include <bitset>


MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
ui(new Ui::MainWindow)
{
    ui->setupUi(this);
    MainWindow::makePlot();
}

MainWindow::~MainWindow()
{
    delete ui;
}

void MainWindow::makePlot()
{
    //
    //Lab5
    //Demodulacja sygnału za(t)
    int A1 = 1, A2 = 2, fn = 14; //N = 2; Tb = 1/7
    double Tb = 1.0/7.0;
    double fs = 2000;
    //double counter;
    std::bitset<7> bit;

    bit[0] = 1;
    bit[1] = 1;
    bit[2] = 0;
    bit[3] = 0;
    bit[4] = 0;
    bit[5] = 1;
    bit[6] = 1;
    QVector<double> Z(fs*1), za(fs*1), san(fs*1), x(fs*1); // initialize

    for(int n=0; n<7; n++)
    {
        double counter = 0;
        for(int i=n*fs*Tb; i<fs*Tb*(n+1); i++)
        {
            double t = (double)i/fs;

            if(bit[n] == 0)
            {
                za[i] = A1*sin(2*M_PI*fn*t);
                san[i] = A2*sin(2*M_PI*fn*t);
                counter = count + za[i]*san[i];
            }
            if(bit[n] == 1)
            {
                za[i] = A2*sin(2*M_PI*fn*t);
                san[i] = A2*sin(2*M_PI*fn*t);
                counter[i] = count + za[i]*san[i];

            }
            //x[i] = za[i]*san[i]; x(t)
        };
    }

    for(int s = 0; s<fs*1; s++)
    {
        Z[s] = (double)s/fs;
    }


    // create graph and assign data to it:
    ui->customPlot->addGraph();
    ui->customPlot->graph(0)->setData(Z, counter);
    // give the axes some labels:
    ui->customPlot->xAxis->setLabel("x");
    ui->customPlot->yAxis->setLabel("y");
    // set axes ranges, so we see all data:
    ui->customPlot->xAxis->setRange(-0.01, 1); //N/2
    ui->customPlot->yAxis->setRange(-0.1, 4);
    ui->customPlot->replot();
}