diff options
Diffstat (limited to 'gr-analog/include/analog')
| -rw-r--r-- | gr-analog/include/analog/CMakeLists.txt | 1 | ||||
| -rw-r--r-- | gr-analog/include/analog/fmdet_cf.h | 70 |
2 files changed, 71 insertions, 0 deletions
diff --git a/gr-analog/include/analog/CMakeLists.txt b/gr-analog/include/analog/CMakeLists.txt index 40af6e55d..3c049bfd3 100644 --- a/gr-analog/include/analog/CMakeLists.txt +++ b/gr-analog/include/analog/CMakeLists.txt @@ -88,6 +88,7 @@ install(FILES ctcss_squelch_ff.h dpll_bb.h feedforward_agc_cc.h + fmdet_cf.j DESTINATION ${GR_INCLUDE_DIR}/gnuradio/analog COMPONENT "analog_devel" ) diff --git a/gr-analog/include/analog/fmdet_cf.h b/gr-analog/include/analog/fmdet_cf.h new file mode 100644 index 000000000..6878775e6 --- /dev/null +++ b/gr-analog/include/analog/fmdet_cf.h @@ -0,0 +1,70 @@ +/* -*- c++ -*- */ +/* + * Copyright 2008,2012 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_ANALOG_FMDET_CF_H +#define INCLUDED_ANALOG_FMDET_CF_H + +#include <analog/api.h> +#include <gr_sync_block.h> + +namespace gr { + namespace analog { + + /*! + * \brief Implements an IQ slope detector + * + * input: stream of complex; output: stream of floats + * + * This implements a limiting slope detector. The limiter is in + * the normalization by the magnitude of the sample + */ + class ANALOG_API fmdet_cf : virtual public gr_sync_block + { + public: + // gr::analog::fmdet_cf::sptr + typedef boost::shared_ptr<fmdet_cf> sptr; + + /*! + * \brief Make FM detector block. + * + * \param samplerate sample rate of signal (is not used; to be removed) + * \param freq_low lowest frequency of signal (Hz) + * \param freq_high highest frequency of signal (Hz) + * \param scl scale factor + */ + static sptr make(float samplerate, float freq_low, + float freq_high, float scl); + + virtual void set_scale(float scl) = 0; + virtual void set_freq_range(float freq_low, float freq_high) = 0; + + virtual float freq() const = 0; + virtual float freq_high() const = 0; + virtual float freq_low() const = 0; + virtual float scale() const = 0; + virtual float bias() const = 0; + }; + + } /* namespace analog */ +} /* namespace gr */ + +#endif /* INCLUDED_ANALOG_FMDET_CF_H */ |