Active low-pass filter implementation using sinusoidal input

low_pass_main.cpp

#include "electric_low_pass.h"
#include "data_sources.h"

int sc_main(int argc, char **argv)
{
        /* Inter-module signal channel */
        sca_tdf::sca_signal<double> sig0;
        sca_tdf::sca_signal<double> sig1;


        double amplitude, frequency;

        if(argc < 3)
        {
                cout <<" In sufficient input params. \n usage: ./sim <amplitude> <frequency>" << endl;
                exit(0);
        }
        amplitude = strtod(argv[1], NULL);
        frequency = strtod(argv[2], NULL);
        sin_source sine("Sine");
        sine.out(sig0);
        sine.amplitude = amplitude;
        sine.frequency = frequency;

        lowpass LP("low-pass-fifth-order");

        /*Connect module ports and channels and assign parameters*/
        LP.input(sig0);
        LP.output(sig1);

        //tracing 
        sca_trace_file* atf = sca_create_tabular_trace_file("Electrical_LP");
        sca_trace(atf, sig0, "Input");
        sca_trace(atf, sig1, "Output");

        cout << "Simulation started..." << endl;
        sc_start(100.0, SC_MS);
        sc_stop();

        cout << "Simulation finished." << endl;

        sca_close_tabular_trace_file(atf);

        return 0;

}