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| author | Ben Reynwar <ben@reynwar.net> | 2013-05-19 02:55:33 -0700 |
|---|---|---|
| committer | Ben Reynwar <ben@reynwar.net> | 2013-05-19 02:55:33 -0700 |
| commit | bb01988e75d50d82cbb44c1a49c86c1d08f05665 (patch) | |
| tree | 0528dac14476d37f2cde7374a8fcb3428f879c69 /gr-fft/include/gnuradio/fft/goertzel_fc.h | |
| parent | e4f0319eced22c112f7e6a4cc45bc2036d285332 (diff) | |
| parent | 0fa219774dcf9141ae91204f948c029b05673f3f (diff) | |
Merged in next_docs branch.
Diffstat (limited to 'gr-fft/include/gnuradio/fft/goertzel_fc.h')
| -rw-r--r-- | gr-fft/include/gnuradio/fft/goertzel_fc.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/gr-fft/include/gnuradio/fft/goertzel_fc.h b/gr-fft/include/gnuradio/fft/goertzel_fc.h new file mode 100644 index 0000000000..3815ac0fd4 --- /dev/null +++ b/gr-fft/include/gnuradio/fft/goertzel_fc.h @@ -0,0 +1,57 @@ +/* -*- c++ -*- */ +/* + * Copyright 2006,2011,2012 Free Software Foundation, Inc. + * + * This file is part of GNU Radio + * + * GNU Radio 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 3, or (at your option) + * any later version. + * + * GNU Radio 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 GNU Radio; see the file COPYING. If not, write to + * the Free Software Foundation, Inc., 51 Franklin Street, + * Boston, MA 02110-1301, USA. + */ + +#ifndef INCLUDED_FFT_GOERTZEL_FC_H +#define INCLUDED_FFT_GOERTZEL_FC_H + +#include <gnuradio/fft/api.h> +#include <gnuradio/sync_decimator.h> + +namespace gr { + namespace fft { + + /*! + * \brief Goertzel single-bin DFT calculation. + * \ingroup fourier_analysis_blk + */ + class FFT_API goertzel_fc : virtual public sync_decimator + { + public: + + // gr::fft::goertzel_fc::sptr + typedef boost::shared_ptr<goertzel_fc> sptr; + + static sptr make(int rate, int len, float freq); + + virtual void set_freq (float freq) = 0; + + virtual void set_rate (int rate) = 0; + + virtual float freq() = 0; + + virtual int rate() = 0; + }; + + } /* namespace fft */ +} /* namespace gr */ + +#endif /* INCLUDED_FFT_GOERTZEL_FC_H */ |