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GrFreqXlatingFIRfilterFCF.h

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00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2002 Free Software Foundation, Inc.
00004  * 
00005  * This file is part of GNU Radio
00006  * 
00007  * GNU Radio is free software; you can redistribute it and/or modify
00008  * it under the terms of the GNU General Public License as published by
00009  * the Free Software Foundation; either version 2, or (at your option)
00010  * any later version.
00011  * 
00012  * GNU Radio is distributed in the hope that it will be useful,
00013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00015  * GNU General Public License for more details.
00016  * 
00017  * You should have received a copy of the GNU General Public License
00018  * along with GNU Radio; see the file COPYING.  If not, write to
00019  * the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
00020  * Boston, MA 02111-1307, USA.
00021  */
00022 
00023 /*
00024  * WARNING: This file is automatically generated by
00025  * generate_GrFreqXlatingFIRfilterXXX.py Any changes made to this file
00026  * will be overwritten.
00027  */
00028 
00029 #ifndef _GrFreqXlatingFIRfilterFCF_H_
00030 #define _GrFreqXlatingFIRfilterFCF_H_
00031 
00032 #include <VrDecimatingSigProc.h>
00033 #include <VrComplex.h>
00034 #include <gr_fir_builderF.h>
00035 #include <gr_rotator.h>
00036 #include <vector>
00037 
00038 class gr_fir_FCC;
00039 
00053 class GrFreqXlatingFIRfilterFCF : public VrDecimatingSigProc<float, VrComplex>
00054 {
00055  public:
00061   GrFreqXlatingFIRfilterFCF (int decimation_factor,
00062                           const std::vector<float> &taps,
00063                           float center_freq);
00064 
00074   GrFreqXlatingFIRfilterFCF (int decimation_factor,
00075                           gr_fir_builderF *builder,
00076                           float center_freq);
00077 
00078   virtual ~GrFreqXlatingFIRfilterFCF ();
00079 
00080   virtual const char *name () { return "GrFreqXlatingFIRfilterFCF"; }
00081   virtual void initialize ();
00082   virtual int work (VrSampleRange output, void *o[],
00083                     VrSampleRange inputs[], void *i[]);
00084 
00085   void setCenterFreq (float center_freq);
00086   void setTaps (const std::vector<float> &taps);
00087 
00088  protected:
00089   gr_fir_builderF                      *d_builder;
00090   std::vector<float>    d_proto_taps;
00091   gr_fir_FCC                   *d_composite_fir;
00092   gr_rotator                    d_r;
00093   float                         d_center_freq;
00094   int                           d_updated;
00095 
00096   virtual void build_composite_fir ();
00097 };
00098 
00099 #endif /* _GrFreqXlatingFIRfilterFCF_H_ */

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