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authorTom Rondeau2012-10-31 16:28:53 -0400
committerTom Rondeau2012-10-31 16:28:53 -0400
commitac9430cd39bf12395952ca49b1966ec428fdadf3 (patch)
treec0458aace8a79df8a0595b837c709d5b982ce33f /gr-analog/include/analog/pll_carriertracking_cc.h
parentfa4f1c2fcec8536c9d71607a0a710878cb6010ff (diff)
parent21beb2a5dc1e589873b49836190c3caf354c86f7 (diff)
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Merge branch 'analog'
Diffstat (limited to 'gr-analog/include/analog/pll_carriertracking_cc.h')
-rw-r--r--gr-analog/include/analog/pll_carriertracking_cc.h88
1 files changed, 88 insertions, 0 deletions
diff --git a/gr-analog/include/analog/pll_carriertracking_cc.h b/gr-analog/include/analog/pll_carriertracking_cc.h
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+/* -*- c++ -*- */
+/*
+ * Copyright 2004,2006,2011,2012 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_ANALOG_PLL_CARRIERTRACKING_CC_H
+#define INCLUDED_ANALOG_PLL_CARRIERTRACKING_CC_H
+
+#include <analog/api.h>
+#include <gr_sync_block.h>
+
+namespace gr {
+ namespace analog {
+
+ /*!
+ * \brief Implements a PLL which locks to the input frequency and outputs the
+ * input signal mixed with that carrier.
+ * \ingroup sync_blk
+ *
+ * Input stream 0: complex
+ * Output stream 0: complex
+ *
+ * This PLL locks onto a [possibly noisy] reference carrier on the
+ * input and outputs that signal, downconverted to DC
+ *
+ * All settings max_freq and min_freq are in terms of radians per
+ * sample, NOT HERTZ. The loop bandwidth determins the lock range
+ * and should be set around pi/200 -- 2pi/100. \sa
+ * pll_freqdet_cf, pll_carriertracking_cc
+ */
+ class ANALOG_API pll_carriertracking_cc : virtual public gr_sync_block
+ {
+ public:
+ // gr::analog::pll_carriertracking_cc::sptr
+ typedef boost::shared_ptr<pll_carriertracking_cc> sptr;
+
+ /* \brief Make a carrier tracking PLL block.
+ *
+ * \param loop_bw: control loop's bandwidth parameter.
+ * \param max_freq: maximum (normalized) frequency PLL will lock to.
+ * \param min_freq: minimum (normalized) frequency PLL will lock to.
+ */
+ static sptr make(float loop_bw, float max_freq, float min_freq);
+
+ virtual bool lock_detector(void) = 0;
+ virtual bool squelch_enable(bool) = 0;
+ virtual float set_lock_threshold(float) = 0;
+
+ virtual void set_loop_bandwidth(float bw) = 0;
+ virtual void set_damping_factor(float df) = 0;
+ virtual void set_alpha(float alpha) = 0;
+ virtual void set_beta(float beta) = 0;
+ virtual void set_frequency(float freq) = 0;
+ virtual void set_phase(float phase) = 0;
+ virtual void set_min_freq(float freq) = 0;
+ virtual void set_max_freq(float freq) = 0;
+
+ virtual float get_loop_bandwidth() const = 0;
+ virtual float get_damping_factor() const = 0;
+ virtual float get_alpha() const = 0;
+ virtual float get_beta() const = 0;
+ virtual float get_frequency() const = 0;
+ virtual float get_phase() const = 0;
+ virtual float get_min_freq() const = 0;
+ virtual float get_max_freq() const = 0;
+ };
+
+ } /* namespace analog */
+} /* namespace gr */
+
+#endif /* INCLUDED_ANALOG_PLL_CARRIERTRACKING_CC_H */