- added frequency tuner
git-svn-id: http://moon:8086/svn/software/trunk/projects/GnuRadio@543 b431acfa-c32f-4a4a-93f1-934dc6c82436
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<?xml version="1.0"?>
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<block>
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<name>frequency_tuner</name>
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<key>jay_frequency_tuner</key>
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<category>[jay]</category>
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<import>import jay</import>
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<make>jay.frequency_tuner($freq_min, $freq_max, $freq_step)</make>
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<param>
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<name>Frequency Min</name>
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<key>freq_min</key>
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<value>0</value>
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<type>float</type>
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</param>
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<param>
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<name>Frequency Max</name>
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<key>freq_max</key>
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<value>0</value>
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<type>float</type>
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</param>
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<param>
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<name>Frequency Step</name>
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<key>freq_step</key>
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<value>0</value>
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<type>float</type>
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</param>
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<sink>
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<name>in</name>
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<type>complex</type>
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</sink>
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<source>
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<name>out</name>
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<type>complex</type>
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</source>
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</block>
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@@ -0,0 +1,56 @@
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/* -*- c++ -*- */
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/*
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* Copyright 2019 Jay Arrowfield.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_JAY_FREQUENCY_TUNER_H
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#define INCLUDED_JAY_FREQUENCY_TUNER_H
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#include <jay/api.h>
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#include <gnuradio/block.h>
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namespace gr {
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namespace jay {
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/*!
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* \brief <+description of block+>
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* \ingroup jay
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*
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*/
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class JAY_API frequency_tuner : virtual public gr::block
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{
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public:
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typedef boost::shared_ptr<frequency_tuner> sptr;
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/*!
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* \brief Return a shared_ptr to a new instance of jay::frequency_tuner.
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*
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* To avoid accidental use of raw pointers, jay::frequency_tuner's
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* constructor is in a private implementation
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* class. jay::frequency_tuner::make is the public interface for
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* creating new instances.
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*/
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static sptr make(float freq_min, float freq_max, float freq_step);
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};
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} // namespace jay
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} // namespace gr
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#endif /* INCLUDED_JAY_FREQUENCY_TUNER_H */
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@@ -0,0 +1,81 @@
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/* -*- c++ -*- */
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/*
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* Copyright 2019 Jay Arrowfield.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifdef HAVE_CONFIG_H
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#include "config.h"
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#endif
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#include <gnuradio/io_signature.h>
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#include "frequency_tuner_impl.h"
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namespace gr {
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namespace jay {
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frequency_tuner::sptr
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frequency_tuner::make(float freq_min, float freq_max, float freq_step)
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{
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return gnuradio::get_initial_sptr
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(new frequency_tuner_impl(freq_min, freq_max, freq_step));
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}
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/*
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* The private constructor
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*/
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frequency_tuner_impl::frequency_tuner_impl(float freq_min, float freq_max, float freq_step)
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: gr::block("frequency_tuner", gr::io_signature::make(1, 1, sizeof(gr_complex)), gr::io_signature::make(1, 1, sizeof(gr_complex)))
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, m_freq_min(freq_min)
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, m_freq_max(freq_max)
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, m_freq_step(freq_step)
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{}
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/*
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* Our virtual destructor.
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*/
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frequency_tuner_impl::~frequency_tuner_impl()
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{
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}
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void
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frequency_tuner_impl::forecast (int noutput_items, gr_vector_int &ninput_items_required)
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{
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ninput_items_required[0] = noutput_items;
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}
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int
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frequency_tuner_impl::general_work (int noutput_items,
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gr_vector_int &ninput_items,
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gr_vector_const_void_star &input_items,
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gr_vector_void_star &output_items)
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{
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const gr_complex *in = (const gr_complex *) input_items[0];
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gr_complex *out = (gr_complex *) output_items[0];
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// Do <+signal processing+>
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// Tell runtime system how many input items we consumed on
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// each input stream.
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consume_each (noutput_items);
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// Tell runtime system how many output items we produced.
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return noutput_items;
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}
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} /* namespace jay */
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} /* namespace gr */
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@@ -0,0 +1,53 @@
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/* -*- c++ -*- */
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/*
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* Copyright 2019 Jay Arrowfield.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3, or (at your option)
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* any later version.
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*
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* This software is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this software; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef INCLUDED_JAY_FREQUENCY_TUNER_IMPL_H
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#define INCLUDED_JAY_FREQUENCY_TUNER_IMPL_H
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#include <jay/frequency_tuner.h>
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namespace gr {
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namespace jay {
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class frequency_tuner_impl : public frequency_tuner
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{
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private:
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// Nothing to declare in this block.
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float m_freq_min;
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float m_freq_max;
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float m_freq_step;
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public:
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frequency_tuner_impl(float freq_min, float freq_max, float freq_step);
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~frequency_tuner_impl();
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// Where all the action really happens
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void forecast (int noutput_items, gr_vector_int &ninput_items_required);
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int general_work(int noutput_items,
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gr_vector_int &ninput_items,
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gr_vector_const_void_star &input_items,
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gr_vector_void_star &output_items);
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};
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} // namespace jay
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} // namespace gr
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#endif /* INCLUDED_JAY_FREQUENCY_TUNER_IMPL_H */
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