GNU Radio 3.6.5 C++ API

fmdet_cf_impl.h

Go to the documentation of this file.
00001 /* -*- c++ -*- */
00002 /*
00003  * Copyright 2008, 2012 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 3, 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., 51 Franklin Street,
00020  * Boston, MA 02110-1301, USA.
00021  */
00022 
00023 #ifndef INCLUDED_ANALOG_FMDET_CF_IMPL_H
00024 #define INCLUDED_ANALOG_FMDET_CF_IMPL_H
00025 
00026 #include <analog/fmdet_cf.h>
00027 //#include <filter/fir_filter.h>
00028 #include <gr_sync_block.h>
00029 
00030 namespace gr {
00031   namespace analog {
00032 
00033     class fmdet_cf_impl : public fmdet_cf
00034     {
00035     private:
00036       gr_complex d_S1, d_S2, d_S3, d_S4;
00037       float d_freq, d_freqlo, d_freqhi, d_scl, d_bias;
00038       //kernel::fir_filter_ccf* d_filter;
00039 
00040     public:
00041       fmdet_cf_impl(float samplerate, float freq_low,
00042                     float freq_high, float scl);
00043       ~fmdet_cf_impl();
00044 
00045       void set_scale(float scl);
00046       void set_freq_range(float freq_low, float freq_high);
00047 
00048       float freq() const { return d_freq; }
00049       float freq_high() const { return d_freqhi; }
00050       float freq_low() const { return d_freqlo; }
00051       float scale() const { return d_scl; }
00052       float bias() const { return d_bias; }
00053 
00054       int work(int noutput_items,
00055                gr_vector_const_void_star &input_items,
00056                gr_vector_void_star &output_items);
00057     };
00058 
00059   } /* namespace analog */
00060 } /* namespace gr */
00061 
00062 #endif /* INCLUDED_ANALOG_FMDET_CF_IMPL_H */