Hamlib/gnuradio/nfm.h

45 wiersze
1.4 KiB
C++

/*
* Hamlib GNUradio backend - Narrow FM class
* Copyright (c) 2003 by Stephane Fillod
*
* $Id: nfm.h,v 1.2 2004-02-08 20:27:58 fillods Exp $
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library 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 Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
#ifndef _NFM_H
#define _NFM_H 1
#include "demod.h"
#include <VrQuadratureDemod.h> /* FM */
class FMDemodChainCF : public DemodChainCF {
private:
VrQuadratureDemod<d_oType> *q_demod;
public:
FMDemodChainCF (VrSource<d_iType> *src, VrSink<d_oType> *snk, rmode_t mode, pbwidth_t width, int input_rate, freq_t centerfreq = 0) :
DemodChainCF(src, snk, mode, width, input_rate, centerfreq) {
demod_in = demod_out = q_demod = new VrQuadratureDemod<d_oType>(1.0);
}
~FMDemodChainCF() { delete q_demod; }
};
#endif /* _NFM_H */