diff options
Diffstat (limited to 'gr-analog/include')
| -rw-r--r-- | gr-analog/include/analog/CMakeLists.txt | 2 | ||||
| -rw-r--r-- | gr-analog/include/analog/pwr_squelch_cc.h | 75 | ||||
| -rw-r--r-- | gr-analog/include/analog/pwr_squelch_ff.h | 75 | ||||
| -rw-r--r-- | gr-analog/include/analog/squelch_base_cc.h | 2 |
4 files changed, 153 insertions, 1 deletions
diff --git a/gr-analog/include/analog/CMakeLists.txt b/gr-analog/include/analog/CMakeLists.txt index 0d2944c3b..25ce50dd8 100644 --- a/gr-analog/include/analog/CMakeLists.txt +++ b/gr-analog/include/analog/CMakeLists.txt @@ -98,6 +98,8 @@ install(FILES probe_avg_mag_sqrd_c.h probe_avg_mag_sqrd_cf.h probe_avg_mag_sqrd_f.h + pwr_squelch_cc.h + pwr_squelch_ff.h rotator.h sig_source_waveform.h simple_squelch_cc.h diff --git a/gr-analog/include/analog/pwr_squelch_cc.h b/gr-analog/include/analog/pwr_squelch_cc.h new file mode 100644 index 000000000..79364a86b --- /dev/null +++ b/gr-analog/include/analog/pwr_squelch_cc.h @@ -0,0 +1,75 @@ +/* -*- c++ -*- */ +/* + * Copyright 2006,2012 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_PWR_SQUELCH_CC_H +#define INCLUDED_ANALOG_PWR_SQUELCH_CC_H + +#include <analog/api.h> +#include <analog/squelch_base_cc.h> +#include <cmath> + +namespace gr { + namespace analog { + + /*! + * \brief gate or zero output when input power below threshold + * \ingroup level_blk + */ + class ANALOG_API pwr_squelch_cc : + public squelch_base_cc, virtual public gr_block + { + protected: + virtual void update_state(const gr_complex &in) = 0; + virtual bool mute() const = 0; + + public: + // gr::analog::pwr_squelch_cc::sptr + typedef boost::shared_ptr<pwr_squelch_cc> sptr; + + /*! + * \brief Make power-based squelch block. + * + * \param db threshold (in dB) for power squelch + * \param alpha Gain of averaging filter + * \param ramp + * \param gate + */ + static sptr make(double db, double alpha=0.0001, + int ramp=0, bool gate=false); + + virtual std::vector<float> squelch_range() const = 0; + + virtual double threshold() const = 0; + virtual void set_threshold(double db) = 0; + virtual void set_alpha(double alpha) = 0; + + virtual int ramp() const = 0; + virtual void set_ramp(int ramp) = 0; + virtual bool gate() const = 0; + virtual void set_gate(bool gate) = 0; + virtual bool unmuted() const = 0; + }; + + } /* namespace analog */ +} /* namespace gr */ + +#endif /* INCLUDED_ANALOG_PWR_SQUELCH_CC_H */ diff --git a/gr-analog/include/analog/pwr_squelch_ff.h b/gr-analog/include/analog/pwr_squelch_ff.h new file mode 100644 index 000000000..6fdebec74 --- /dev/null +++ b/gr-analog/include/analog/pwr_squelch_ff.h @@ -0,0 +1,75 @@ +/* -*- c++ -*- */ +/* + * Copyright 2006,2012 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_PWR_SQUELCH_FF_H +#define INCLUDED_ANALOG_PWR_SQUELCH_FF_H + +#include <analog/api.h> +#include <analog/squelch_base_ff.h> +#include <cmath> + +namespace gr { + namespace analog { + + /*! + * \brief gate or zero output when input power below threshold + * \ingroup level_blk + */ + class ANALOG_API pwr_squelch_ff : + public squelch_base_ff, virtual public gr_block + { + protected: + virtual void update_state(const float &in) = 0; + virtual bool mute() const = 0; + + public: + // gr::analog::pwr_squelch_ff::sptr + typedef boost::shared_ptr<pwr_squelch_ff> sptr; + + /*! + * \brief Make power-based squelch block. + * + * \param db threshold (in dB) for power squelch + * \param alpha Gain of averaging filter + * \param ramp + * \param gate + */ + static sptr make(double db, double alpha=0.0001, + int ramp=0, bool gate=false); + + virtual std::vector<float> squelch_range() const = 0; + + virtual double threshold() const = 0; + virtual void set_threshold(double db) = 0; + virtual void set_alpha(double alpha) = 0; + + virtual int ramp() const = 0; + virtual void set_ramp(int ramp) = 0; + virtual bool gate() const = 0; + virtual void set_gate(bool gate) = 0; + virtual bool unmuted() const = 0; + }; + + } /* namespace analog */ +} /* namespace gr */ + +#endif /* INCLUDED_ANALOG_PWR_SQUELCH_FF_H */ diff --git a/gr-analog/include/analog/squelch_base_cc.h b/gr-analog/include/analog/squelch_base_cc.h index 4c2a7b352..11476e7e8 100644 --- a/gr-analog/include/analog/squelch_base_cc.h +++ b/gr-analog/include/analog/squelch_base_cc.h @@ -36,7 +36,7 @@ namespace gr { class ANALOG_API squelch_base_cc : virtual public gr_block { protected: - virtual void update_state(const float &sample) = 0; + virtual void update_state(const gr_complex &sample) = 0; virtual bool mute() const = 0; public: |