diff options
author | Tom Rondeau <trondeau@vt.edu> | 2013-03-06 11:46:57 -0500 |
---|---|---|
committer | Tom Rondeau <trondeau@vt.edu> | 2013-03-06 11:46:57 -0500 |
commit | 9cfd03bd98693e62c6898f18d90d5d08f4d5c102 (patch) | |
tree | 4c0a9c65b3775ec8b7dd5e3f73c22cd0684b44fb | |
parent | 520626bcc203a15ec22ed7351204662a33a17ef5 (diff) |
blocks: moving peak_detector and moving_average to gr-blocks.
-rw-r--r-- | gr-blocks/grc/blocks_block_tree.xml | 2 | ||||
-rw-r--r-- | gr-blocks/grc/blocks_moving_average_xx.xml | 68 | ||||
-rw-r--r-- | gr-blocks/grc/blocks_peak_detector_xb.xml | 68 | ||||
-rw-r--r-- | gr-blocks/include/blocks/CMakeLists.txt | 2 | ||||
-rw-r--r-- | gr-blocks/include/blocks/moving_average_XX.h.t | 84 | ||||
-rw-r--r-- | gr-blocks/include/blocks/peak_detector_XX.h.t | 117 | ||||
-rw-r--r-- | gr-blocks/lib/CMakeLists.txt | 2 | ||||
-rw-r--r-- | gr-blocks/lib/moving_average_XX_impl.cc.t | 114 | ||||
-rw-r--r-- | gr-blocks/lib/moving_average_XX_impl.h.t | 65 | ||||
-rw-r--r-- | gr-blocks/lib/peak_detector_XX_impl.cc.t | 122 | ||||
-rw-r--r-- | gr-blocks/lib/peak_detector_XX_impl.h.t | 66 | ||||
-rw-r--r-- | gr-blocks/python/qa_moving_average.py | 91 | ||||
-rw-r--r-- | gr-blocks/python/qa_peak_detector.py | 98 | ||||
-rw-r--r-- | gr-blocks/python/qa_peak_detector2.py | 1 | ||||
-rw-r--r-- | gr-blocks/swig/blocks_swig.i | 21 |
15 files changed, 920 insertions, 1 deletions
diff --git a/gr-blocks/grc/blocks_block_tree.xml b/gr-blocks/grc/blocks_block_tree.xml index 27d4a616c6..e5db82115b 100644 --- a/gr-blocks/grc/blocks_block_tree.xml +++ b/gr-blocks/grc/blocks_block_tree.xml @@ -104,6 +104,7 @@ <block>blocks_streams_to_vector</block> <block>blocks_vector_to_stream</block> <block>blocks_vector_to_streams</block> + <block>blocks_peak_detector_xb</block> <block>blocks_peak_detector2_fb</block> <block>blocks_regenerate_bb</block> <block>blocks_stretch_ff</block> @@ -129,6 +130,7 @@ <name>Level Controls (New)</name> <block>blocks_mute_xx</block> <block>blocks_sample_and_hold_xx</block> + <block>blocks_moving_average_xx</block> </cat> <cat> <name>Probes (New)</name> diff --git a/gr-blocks/grc/blocks_moving_average_xx.xml b/gr-blocks/grc/blocks_moving_average_xx.xml new file mode 100644 index 0000000000..e90903ad85 --- /dev/null +++ b/gr-blocks/grc/blocks_moving_average_xx.xml @@ -0,0 +1,68 @@ +<?xml version="1.0"?> +<!-- +################################################### +##Moving Average +################################################### + --> +<block> + <name>Moving Average</name> + <key>blocks_moving_average_xx</key> + <import>from gnuradio import blocks</import> + <make>blocks.moving_average_$(type.fcn)($length, $scale, $max_iter)</make> + <callback>set_length_and_scale($length, $scale)</callback> + <param> + <name>Type</name> + <key>type</key> + <type>enum</type> + <option> + <name>Complex</name> + <key>complex</key> + <opt>fcn:cc</opt> + <opt>scale:complex</opt> + </option> + <option> + <name>Float</name> + <key>float</key> + <opt>fcn:ff</opt> + <opt>scale:real</opt> + </option> + <option> + <name>Int</name> + <key>int</key> + <opt>fcn:ii</opt> + <opt>scale:int</opt> + </option> + <option> + <name>Short</name> + <key>short</key> + <opt>fcn:ss</opt> + <opt>scale:int</opt> + </option> + </param> + <param> + <name>Length</name> + <key>length</key> + <value>1000</value> + <type>int</type> + </param> + <param> + <name>Scale</name> + <key>scale</key> + <value>1</value> + <type>$type.scale</type> + </param> + <param> + <name>Max Iter</name> + <key>max_iter</key> + <value>4000</value> + <type>int</type> + </param> + <sink> + <name>in</name> + <type>$type</type> + </sink> + <source> + <name>out</name> + <type>$type</type> + </source> +</block> diff --git a/gr-blocks/grc/blocks_peak_detector_xb.xml b/gr-blocks/grc/blocks_peak_detector_xb.xml new file mode 100644 index 0000000000..1aabf89474 --- /dev/null +++ b/gr-blocks/grc/blocks_peak_detector_xb.xml @@ -0,0 +1,68 @@ +<?xml version="1.0"?> +<!-- +################################################### +##Peak Detector +################################################### + --> +<block> + <name>Peak Detector</name> + <key>blocks_peak_detector_xb</key> + <import>from gnuradio import blocks</import> + <make>blocks.peak_detector_$(type.fcn)b($threshold_factor_rise, $threshold_factor_fall, $look_ahead, $alpha)</make> + <callback>set_threshold_factor_rise($threshold_factor_rise)</callback> + <callback>set_threshold_factor_fall($threshold_factor_fall)</callback> + <callback>set_look_ahead($look_ahead)</callback> + <callback>set_alpha($alpha)</callback> + <param> + <name>Input Type</name> + <key>type</key> + <type>enum</type> + <option> + <name>Float</name> + <key>float</key> + <opt>fcn:f</opt> + </option> + <option> + <name>Int</name> + <key>int</key> + <opt>fcn:i</opt> + </option> + <option> + <name>Short</name> + <key>short</key> + <opt>fcn:s</opt> + </option> + </param> + <param> + <name>TH Factor Rise</name> + <key>threshold_factor_rise</key> + <value>0.25</value> + <type>real</type> + </param> + <param> + <name>TH Factor Fall</name> + <key>threshold_factor_fall</key> + <value>0.40</value> + <type>real</type> + </param> + <param> + <name>Look Ahead</name> + <key>look_ahead</key> + <value>10</value> + <type>int</type> + </param> + <param> + <name>Alpha</name> + <key>alpha</key> + <value>0.001</value> + <type>real</type> + </param> + <sink> + <name>in</name> + <type>$type</type> + </sink> + <source> + <name>out</name> + <type>byte</type> + </source> +</block> diff --git a/gr-blocks/include/blocks/CMakeLists.txt b/gr-blocks/include/blocks/CMakeLists.txt index 66cdbf41c5..a223731cb0 100644 --- a/gr-blocks/include/blocks/CMakeLists.txt +++ b/gr-blocks/include/blocks/CMakeLists.txt @@ -73,12 +73,14 @@ expand_h(argmax_XX fs is ss) expand_h(divide_XX ss ii ff cc) expand_h(integrate_XX ss ii ff cc) expand_h(max_XX ff ii ss) +expand_h(moving_average_XX ss ii ff cc) expand_h(multiply_XX ss ii) expand_h(multiply_const_XX ss ii) expand_h(multiply_const_vXX ss ii ff cc) expand_h(mute_XX ss ii ff cc) expand_h(not_XX bb ss ii) expand_h(or_XX bb ss ii) +expand_h(peak_detector_XX fb ib sb) expand_h(probe_signal_X b s i f c) expand_h(probe_signal_vX b s i f c) expand_h(sample_and_hold_XX bb ss ii ff) diff --git a/gr-blocks/include/blocks/moving_average_XX.h.t b/gr-blocks/include/blocks/moving_average_XX.h.t new file mode 100644 index 0000000000..6b7883fdd4 --- /dev/null +++ b/gr-blocks/include/blocks/moving_average_XX.h.t @@ -0,0 +1,84 @@ +/* -*- c++ -*- */ +/* + * Copyright 2008,2013 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. + */ + +// @WARNING@ + +#ifndef @GUARD_NAME@ +#define @GUARD_NAME@ + +#include <blocks/api.h> +#include <gr_sync_block.h> + +namespace gr { + namespace blocks { + + /*! + * \brief output is the moving sum of the last N samples, scaled by the scale factor + * \ingroup filter_blk + */ + class BLOCKS_API @NAME@ : virtual public gr_sync_block + { + public: + // gr::blocks::@NAME@::sptr + typedef boost::shared_ptr<@NAME@> sptr; + + /*! + * Create a moving average block. + * + * \param length Number of samples to use in the average. + * \param scale scale factor for the result. + * \param max_iter limits how long we go without flushing the accumulator + * This is necessary to avoid numerical instability for float and complex. + */ + static sptr make(int length, @O_TYPE@ scale, + int max_iter = 4096); + + /*! + * Get the length used in the avaraging calculation. + */ + virtual int length() const = 0; + + /*! + * Get the scale factor being used. + */ + virtual @O_TYPE@ scale() const = 0; + + /*! + * Set both the length and the scale factor together. + */ + virtual void set_length_and_scale(int length, @O_TYPE@ scale) = 0; + + /*! + * Set the length. + */ + virtual void set_length(int length) = 0; + + /*! + * Set the scale factor. + */ + virtual void set_scale(@O_TYPE@ scale) = 0; + }; + + } /* namespace blocks */ +} /* namespace gr */ + +#endif /* @GUARD_NAME@ */ diff --git a/gr-blocks/include/blocks/peak_detector_XX.h.t b/gr-blocks/include/blocks/peak_detector_XX.h.t new file mode 100644 index 0000000000..1c8ba0652f --- /dev/null +++ b/gr-blocks/include/blocks/peak_detector_XX.h.t @@ -0,0 +1,117 @@ +/* -*- c++ -*- */ +/* + * Copyright 2007,2013 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. + */ + +// @WARNING@ + +#ifndef @GUARD_NAME@ +#define @GUARD_NAME@ + +#include <blocks/api.h> +#include <gr_sync_block.h> + +namespace gr { + namespace blocks { + + /*! + * \brief Detect the peak of a signal + * \ingroup level_blk + * + * If a peak is detected, this block outputs a 1, + * or it outputs 0's. + */ + class GR_CORE_API @NAME@ : virtual public gr_sync_block + { + public: + // gr::blocks::@NAME@::sptr + typedef boost::shared_ptr<@NAME@> sptr; + + /*! + * Make a peak detector block. + * + * \param threshold_factor_rise The threshold factor determins + * when a peak has started. An average of the signal is + * calculated and when the value of the signal goes over + * threshold_factor_rise*average, we start looking for a + * peak. + * \param threshold_factor_fall The threshold factor determins + * when a peak has ended. An average of the signal is + * calculated and when the value of the signal goes + * bellow threshold_factor_fall*average, we stop looking + * for a peak. + * \param look_ahead The look-ahead value is used when the + * threshold is found to look if there another peak + * within this step range. If there is a larger value, + * we set that as the peak and look ahead again. This is + * continued until the highest point is found with This + * look-ahead range. + * \param alpha The gain value of a moving average filter + */ + static sptr make(float threshold_factor_rise = 0.25, + float threshold_factor_fall = 0.40, + int look_ahead = 10, + float alpha = 0.001); + + /*! \brief Set the threshold factor value for the rise time + * \param thr new threshold factor + */ + virtual void set_threshold_factor_rise(float thr) = 0; + + /*! \brief Set the threshold factor value for the fall time + * \param thr new threshold factor + */ + virtual void set_threshold_factor_fall(float thr) = 0; + + /*! \brief Set the look-ahead factor + * \param look new look-ahead factor + */ + virtual void set_look_ahead(int look) = 0; + + /*! \brief Set the running average alpha + * \param alpha new alpha for running average + */ + virtual void set_alpha(int alpha) = 0; + + /*! \brief Get the threshold factor value for the rise time + * \return threshold factor + */ + virtual float threshold_factor_rise() = 0; + + /*! \brief Get the threshold factor value for the fall time + * \return threshold factor + */ + virtual float threshold_factor_fall() = 0; + + /*! \brief Get the look-ahead factor value + * \return look-ahead factor + */ + virtual int look_ahead() = 0; + + /*! \brief Get the alpha value of the running average + * \return alpha + */ + virtual float alpha() = 0; + }; + + } /* namespace blocks */ +} /* namespace gr */ + +#endif /* @GUARD_NAME@ */ diff --git a/gr-blocks/lib/CMakeLists.txt b/gr-blocks/lib/CMakeLists.txt index 67e56fa319..c575f4215e 100644 --- a/gr-blocks/lib/CMakeLists.txt +++ b/gr-blocks/lib/CMakeLists.txt @@ -99,12 +99,14 @@ expand_cc_h_impl(argmax_XX fs is ss) expand_cc_h_impl(divide_XX ss ii ff cc) expand_cc_h_impl(integrate_XX ss ii ff cc) expand_cc_h_impl(max_XX ff ii ss) +expand_cc_h_impl(moving_average_XX ss ii ff cc) expand_cc_h_impl(multiply_XX ss ii) expand_cc_h_impl(multiply_const_XX ss ii) expand_cc_h_impl(multiply_const_vXX ss ii ff cc) expand_cc_h_impl(mute_XX ss ii ff cc) expand_cc_h_impl(not_XX bb ss ii) expand_cc_h_impl(or_XX bb ss ii) +expand_cc_h_impl(peak_detector_XX fb ib sb) expand_cc_h_impl(probe_signal_X b s i f c) expand_cc_h_impl(probe_signal_vX b s i f c) expand_cc_h_impl(sample_and_hold_XX bb ss ii ff) diff --git a/gr-blocks/lib/moving_average_XX_impl.cc.t b/gr-blocks/lib/moving_average_XX_impl.cc.t new file mode 100644 index 0000000000..566deff116 --- /dev/null +++ b/gr-blocks/lib/moving_average_XX_impl.cc.t @@ -0,0 +1,114 @@ +/* -*- c++ -*- */ +/* + * Copyright 2008,2010,2013 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. + */ + +// @WARNING@ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "@NAME_IMPL@.h" +#include <gr_io_signature.h> + +namespace gr { + namespace blocks { + + @NAME@::sptr + @NAME@::make(int length, @O_TYPE@ scale, int max_iter) + { + return gnuradio::get_initial_sptr + (new @NAME_IMPL@(length, scale, max_iter)); + } + + @NAME_IMPL@::@NAME_IMPL@(int length, @O_TYPE@ scale, int max_iter) + : gr_sync_block("@NAME@", + gr_make_io_signature(1, 1, sizeof(@I_TYPE@)), + gr_make_io_signature(1, 1, sizeof(@O_TYPE@))), + d_length(length), + d_scale(scale), + d_max_iter(max_iter), + d_new_length(length), + d_new_scale(scale), + d_updated(false) + { + set_history(length); + } + + @NAME_IMPL@::~@NAME_IMPL@() + { + } + + void + @NAME_IMPL@::set_length_and_scale(int length, @O_TYPE@ scale) + { + d_new_length = length; + d_new_scale = scale; + d_updated = true; + } + + void + @NAME_IMPL@::set_length(int length) + { + d_new_length = length; + d_updated = true; + } + + void + @NAME_IMPL@::set_scale(@O_TYPE@ scale) + { + d_new_scale = scale; + d_updated = true; + } + + int + @NAME_IMPL@::work(int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) + { + if(d_updated) { + d_length = d_new_length; + d_scale = d_new_scale; + set_history(d_length); + d_updated = false; + return 0; // history requirements might have changed + } + + const @I_TYPE@ *in = (const @I_TYPE@ *)input_items[0]; + @O_TYPE@ *out = (@O_TYPE@ *)output_items[0]; + + @I_TYPE@ sum = 0; + int num_iter = (noutput_items>d_max_iter) ? d_max_iter : noutput_items; + for(int i = 0; i < d_length-1; i++) { + sum += in[i]; + } + + for(int i = 0; i < num_iter; i++) { + sum += in[i+d_length-1]; + out[i] = sum * d_scale; + sum -= in[i]; + } + + return num_iter; + } + + } /* namespace blocks */ +} /* namespace gr */ diff --git a/gr-blocks/lib/moving_average_XX_impl.h.t b/gr-blocks/lib/moving_average_XX_impl.h.t new file mode 100644 index 0000000000..7234cbe139 --- /dev/null +++ b/gr-blocks/lib/moving_average_XX_impl.h.t @@ -0,0 +1,65 @@ +/* -*- c++ -*- */ +/* + * Copyright 2008,2013 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. + */ + +// @WARNING@ + +#ifndef @GUARD_NAME_IMPL@ +#define @GUARD_NAME_IMPL@ + +#include <blocks/@NAME@.h> + +namespace gr { + namespace blocks { + + class @NAME_IMPL@ : public @NAME@ + { + private: + int d_length; + @O_TYPE@ d_scale; + int d_max_iter; + + int d_new_length; + @O_TYPE@ d_new_scale; + bool d_updated; + + public: + @NAME_IMPL@(int length, @O_TYPE@ scale, + int max_iter = 4096); + ~@NAME_IMPL@(); + + int length() const { return d_new_length; } + @O_TYPE@ scale() const { return d_new_scale; } + + void set_length_and_scale(int length, @O_TYPE@ scale); + void set_length(int length); + void set_scale(@O_TYPE@ scale); + + int work(int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items); + + }; + + } /* namespace blocks */ +} /* namespace gr */ + +#endif /* @GUARD_NAME_IMPL@ */ diff --git a/gr-blocks/lib/peak_detector_XX_impl.cc.t b/gr-blocks/lib/peak_detector_XX_impl.cc.t new file mode 100644 index 0000000000..27518962f5 --- /dev/null +++ b/gr-blocks/lib/peak_detector_XX_impl.cc.t @@ -0,0 +1,122 @@ +/* -*- c++ -*- */ +/* + * Copyright 2007,2010,2013 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. + */ + +// @WARNING@ + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#include "@NAME_IMPL@.h" +#include <gr_io_signature.h> +#include <string.h> + +namespace gr { + namespace blocks { + + @NAME@::sptr + @NAME@::make(float threshold_factor_rise, + float threshold_factor_fall, + int look_ahead, float alpha) + { + return gnuradio::get_initial_sptr + (new @NAME_IMPL@(threshold_factor_rise, + threshold_factor_fall, + look_ahead, alpha)); + } + + @NAME_IMPL@::@NAME_IMPL@(float threshold_factor_rise, + float threshold_factor_fall, + int look_ahead, float alpha) + : gr_sync_block("@BASE_NAME@", + gr_make_io_signature(1, 1, sizeof(@I_TYPE@)), + gr_make_io_signature(1, 1, sizeof(char))), + d_threshold_factor_rise(threshold_factor_rise), + d_threshold_factor_fall(threshold_factor_fall), + d_look_ahead(look_ahead), d_avg_alpha(alpha), d_avg(0), d_found(0) + { + } + + @NAME_IMPL@::~@NAME_IMPL@() + { + } + + int + @NAME_IMPL@::work(int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items) + { + @I_TYPE@ *iptr = (@I_TYPE@*)input_items[0]; + char *optr = (char*)output_items[0]; + + memset(optr, 0, noutput_items*sizeof(char)); + + @I_TYPE@ peak_val = -(@I_TYPE@)INFINITY; + int peak_ind = 0; + unsigned char state = 0; + int i = 0; + + //printf("noutput_items %d\n",noutput_items); + while(i < noutput_items) { + if(state == 0) { // below threshold + if(iptr[i] > d_avg*d_threshold_factor_rise) { + state = 1; + } + else { + d_avg = (d_avg_alpha)*iptr[i] + (1-d_avg_alpha)*d_avg; + i++; + } + } + else if(state == 1) { // above threshold, have not found peak + //printf("Entered State 1: %f i: %d noutput_items: %d\n", iptr[i], i, noutput_items); + if(iptr[i] > peak_val) { + peak_val = iptr[i]; + peak_ind = i; + d_avg = (d_avg_alpha)*iptr[i] + (1-d_avg_alpha)*d_avg; + i++; + } + else if(iptr[i] > d_avg*d_threshold_factor_fall) { + d_avg = (d_avg_alpha)*iptr[i] + (1-d_avg_alpha)*d_avg; + i++; + } + else { + optr[peak_ind] = 1; + state = 0; + peak_val = -(@I_TYPE@)INFINITY; + //printf("Leaving State 1: Peak: %f Peak Ind: %d i: %d noutput_items: %d\n", + //peak_val, peak_ind, i, noutput_items); + } + } + } + + if(state == 0) { + //printf("Leave in State 0, produced %d\n",noutput_items); + return noutput_items; + } + else { // only return up to passing the threshold + //printf("Leave in State 1, only produced %d of %d\n",peak_ind,noutput_items); + return peak_ind+1; + } + } + + } /* namespace blocks */ +} /* namespace gr */ diff --git a/gr-blocks/lib/peak_detector_XX_impl.h.t b/gr-blocks/lib/peak_detector_XX_impl.h.t new file mode 100644 index 0000000000..ef52f0f744 --- /dev/null +++ b/gr-blocks/lib/peak_detector_XX_impl.h.t @@ -0,0 +1,66 @@ +/* -*- c++ -*- */ +/* + * Copyright 2007,2013 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. + */ + +// @WARNING@ + +#ifndef @GUARD_NAME_IMPL@ +#define @GUARD_NAME_IMPL@ + +#include <blocks/@NAME@.h> + +namespace gr { + namespace blocks { + + class @NAME_IMPL@ : public @NAME@ + { + private: + float d_threshold_factor_rise; + float d_threshold_factor_fall; + int d_look_ahead; + float d_avg_alpha; + float d_avg; + unsigned char d_found; + + public: + @NAME_IMPL@(float threshold_factor_rise, + float threshold_factor_fall, + int look_ahead, float alpha); + ~@NAME_IMPL@(); + + void set_threshold_factor_rise(float thr) { d_threshold_factor_rise = thr; } + void set_threshold_factor_fall(float thr) { d_threshold_factor_fall = thr; } + void set_look_ahead(int look) { d_look_ahead = look; } + void set_alpha(int alpha) { d_avg_alpha = alpha; } + float threshold_factor_rise() { return d_threshold_factor_rise; } + float threshold_factor_fall() { return d_threshold_factor_fall; } + int look_ahead() { return d_look_ahead; } + float alpha() { return d_avg_alpha; } + + int work(int noutput_items, + gr_vector_const_void_star &input_items, + gr_vector_void_star &output_items); + }; + + } /* namespace blocks */ +} /* namespace gr */ + +#endif /* @GUARD_NAME_IMPL@ */ diff --git a/gr-blocks/python/qa_moving_average.py b/gr-blocks/python/qa_moving_average.py new file mode 100644 index 0000000000..169b4746c2 --- /dev/null +++ b/gr-blocks/python/qa_moving_average.py @@ -0,0 +1,91 @@ +#!/usr/bin/env python +# +# Copyright 2013 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. +# + +from gnuradio import gr, gr_unittest +import blocks_swig as blocks +import math, random + +def make_random_complex_tuple(L, scale=1): + result = [] + for x in range(L): + result.append(scale*complex(2*random.random()-1, + 2*random.random()-1)) + return tuple(result) + +def make_random_float_tuple(L, scale=1): + result = [] + for x in range(L): + result.append(scale*(2*random.random()-1)) + return tuple(result) + +class test_moving_average(gr_unittest.TestCase): + + def setUp(self): + self.tb = gr.top_block() + + def tearDown(self): + self.tb = None + + def test_01(self): + tb = self.tb + + N = 10000 + seed = 0 + data = make_random_float_tuple(N, 1) + expected_result = N*[0,] + + src = gr.vector_source_f(data, False) + op = blocks.moving_average_ff(100, 0.001) + dst = gr.vector_sink_f() + + tb.connect(src, op) + tb.connect(op, dst) + tb.run() + + dst_data = dst.data() + + # make sure result is close to zero + self.assertFloatTuplesAlmostEqual(expected_result, dst_data, 1) + + def test_02(self): + tb = self.tb + + N = 10000 + seed = 0 + data = make_random_complex_tuple(N, 1) + expected_result = N*[0,] + + src = gr.vector_source_c(data, False) + op = blocks.moving_average_cc(100, 0.001) + dst = gr.vector_sink_c() + + tb.connect(src, op) + tb.connect(op, dst) + tb.run() + + dst_data = dst.data() + + # make sure result is close to zero + self.assertComplexTuplesAlmostEqual(expected_result, dst_data, 1) + +if __name__ == '__main__': + gr_unittest.run(test_moving_average, "test_moving_average.xml") diff --git a/gr-blocks/python/qa_peak_detector.py b/gr-blocks/python/qa_peak_detector.py new file mode 100644 index 0000000000..c3ff2548c4 --- /dev/null +++ b/gr-blocks/python/qa_peak_detector.py @@ -0,0 +1,98 @@ +#!/usr/bin/env python +# +# Copyright 2013 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. +# + +from gnuradio import gr, gr_unittest +import blocks_swig as blocks + +class test_peak_detector(gr_unittest.TestCase): + + def setUp(self): + self.tb = gr.top_block() + + def tearDown(self): + self.tb = None + + def test_01(self): + tb = self.tb + + data = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, + 9, 8, 7, 6, 5, 4, 3, 2, 1, 0] + + expected_result = (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) + + src = gr.vector_source_f(data, False) + regen = blocks.peak_detector_fb() + dst = gr.vector_sink_b() + + tb.connect(src, regen) + tb.connect(regen, dst) + tb.run() + + dst_data = dst.data() + + self.assertEqual(expected_result, dst_data) + + def test_02(self): + tb = self.tb + + data = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, + 9, 8, 7, 6, 5, 4, 3, 2, 1, 0] + + expected_result = (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) + + src = gr.vector_source_i(data, False) + regen = blocks.peak_detector_ib() + dst = gr.vector_sink_b() + + tb.connect(src, regen) + tb.connect(regen, dst) + tb.run() + + dst_data = dst.data() + + self.assertEqual(expected_result, dst_data) + + def test_03(self): + tb = self.tb + + data = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, + 9, 8, 7, 6, 5, 4, 3, 2, 1, 0] + + expected_result = (0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, + 0, 0, 0, 0, 0, 0, 0, 0, 0, 0) + + src = gr.vector_source_s(data, False) + regen = blocks.peak_detector_sb() + dst = gr.vector_sink_b() + + tb.connect(src, regen) + tb.connect(regen, dst) + tb.run() + + dst_data = dst.data() + + self.assertEqual(expected_result, dst_data) + +if __name__ == '__main__': + gr_unittest.run(test_peak_detector, "test_peak_detector.xml") diff --git a/gr-blocks/python/qa_peak_detector2.py b/gr-blocks/python/qa_peak_detector2.py index 4b864e4d70..b2d8e318dd 100644 --- a/gr-blocks/python/qa_peak_detector2.py +++ b/gr-blocks/python/qa_peak_detector2.py @@ -50,7 +50,6 @@ class test_peak_detector2(gr_unittest.TestCase): tb.run() dst_data = dst.data() - print dst_data self.assertEqual(expected_result, dst_data) diff --git a/gr-blocks/swig/blocks_swig.i b/gr-blocks/swig/blocks_swig.i index 759b44f121..bd34351b95 100644 --- a/gr-blocks/swig/blocks_swig.i +++ b/gr-blocks/swig/blocks_swig.i @@ -93,6 +93,10 @@ #include "blocks/message_source.h" #include "blocks/message_strobe.h" #include "blocks/message_burst_source.h" +#include "blocks/moving_average_cc.h" +#include "blocks/moving_average_ff.h" +#include "blocks/moving_average_ii.h" +#include "blocks/moving_average_ss.h" #include "blocks/multiply_ss.h" #include "blocks/multiply_ii.h" #include "blocks/multiply_ff.h" @@ -120,6 +124,9 @@ #include "blocks/packed_to_unpacked_ss.h" #include "blocks/packed_to_unpacked_ii.h" #include "blocks/pdu_to_tagged_stream.h" +#include "blocks/peak_detector_fb.h" +#include "blocks/peak_detector_ib.h" +#include "blocks/peak_detector_sb.h" #include "blocks/peak_detector2_fb.h" #include "blocks/probe_signal_b.h" #include "blocks/probe_signal_s.h" @@ -234,6 +241,10 @@ %include "blocks/message_source.h" %include "blocks/message_strobe.h" %include "blocks/message_burst_source.h" +%include "blocks/moving_average_cc.h" +%include "blocks/moving_average_ff.h" +%include "blocks/moving_average_ii.h" +%include "blocks/moving_average_ss.h" %include "blocks/multiply_ss.h" %include "blocks/multiply_ii.h" %include "blocks/multiply_ff.h" @@ -274,6 +285,9 @@ %include "blocks/packed_to_unpacked_ii.h" %include "blocks/patterned_interleaver.h" %include "blocks/pdu_to_tagged_stream.h" +%include "blocks/peak_detector_fb.h" +%include "blocks/peak_detector_ib.h" +%include "blocks/peak_detector_sb.h" %include "blocks/peak_detector2_fb.h" %include "blocks/regenerate_bb.h" %include "blocks/repeat.h" @@ -374,6 +388,10 @@ GR_SWIG_BLOCK_MAGIC2(blocks, message_sink); GR_SWIG_BLOCK_MAGIC2(blocks, message_source); GR_SWIG_BLOCK_MAGIC2(blocks, message_strobe); GR_SWIG_BLOCK_MAGIC2(blocks, message_burst_source); +GR_SWIG_BLOCK_MAGIC2(blocks, moving_average_cc); +GR_SWIG_BLOCK_MAGIC2(blocks, moving_average_ff); +GR_SWIG_BLOCK_MAGIC2(blocks, moving_average_ii); +GR_SWIG_BLOCK_MAGIC2(blocks, moving_average_ss); GR_SWIG_BLOCK_MAGIC2(blocks, multiply_ss); GR_SWIG_BLOCK_MAGIC2(blocks, multiply_ii); GR_SWIG_BLOCK_MAGIC2(blocks, multiply_ff); @@ -400,6 +418,9 @@ GR_SWIG_BLOCK_MAGIC2(blocks, pack_k_bits_bb); GR_SWIG_BLOCK_MAGIC2(blocks, packed_to_unpacked_bb); GR_SWIG_BLOCK_MAGIC2(blocks, packed_to_unpacked_ss); GR_SWIG_BLOCK_MAGIC2(blocks, packed_to_unpacked_ii); +GR_SWIG_BLOCK_MAGIC2(blocks, peak_detector_fb); +GR_SWIG_BLOCK_MAGIC2(blocks, peak_detector_ib); +GR_SWIG_BLOCK_MAGIC2(blocks, peak_detector_sb); GR_SWIG_BLOCK_MAGIC2(blocks, peak_detector2_fb); GR_SWIG_BLOCK_MAGIC2(blocks, pdu_to_tagged_stream); GR_SWIG_BLOCK_MAGIC2(blocks, or_bb); |