testprog2.c

Test de un generador IQ para una frecuencia de pi/32.

Autor

Fernando Pujaico Rivera

Fecha

21-05-2011
La frecuencia de muestro es 2*pi.
Test de un generador IQ.

Generador IQ sinusoidal digital

/*
 * testprog2.c
 * 
 * Copyright 2011 Fernando Pujaico Rivera <fernando.pujaico.rivera@gmail.com>
 * 
 * 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., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301, USA.
 * 
 */


#include <config.h>
#include <stdlib.h>
#include <pds/pdsds.h>
#include <pds/pdsvector.h>
#include "extras.h"
#include <math.h>

int main(int argc, char** argv)
{
        PdsIQWave *WAVE=NULL;
        PdsVector *Yc=NULL;
        PdsVector *Ys=NULL;
        PdsDsReal A,Teta;
        PdsDsNatural N,n;

        FILE *fd=NULL;
        char DATAFILE[]="datos.txt";
        char OCTAVEFILE[]="plotinoctave.m";


        A=1.0;
        Teta=M_PI/32.0;
        N=256;
        Yc=pds_vector_new(N);
        if(Yc==NULL)    return EXIT_FAILURE;
        Ys=pds_vector_new(N);
        if(Ys==NULL)    return EXIT_FAILURE;

        WAVE=pds_iqwave_new(A,Teta);
        if(WAVE==NULL)  return EXIT_FAILURE;
        
        n=pds_iqwave_get_vector(WAVE,Yc,Ys);

        fd=fopen(DATAFILE,"w");
        if(fd==NULL)    return EXIT_FAILURE;
        pds_vector_fprintf(Yc,fd);
        pds_vector_fprintf(Ys,fd);
        fclose(fd);

        pds_octave_plot_2lin(OCTAVEFILE,DATAFILE);

        pds_iqwave_free(WAVE);
        pds_vector_free(Yc);    
        pds_vector_free(Ys);    


        return EXIT_SUCCESS;
}