gr_pfb_decimator_ccf.cc \
gr_pfb_interpolator_ccf.cc \
gr_pfb_arb_resampler_ccf.cc \
- gr_pfb_clock_sync_ccf.cc
+ gr_pfb_clock_sync_ccf.cc \
+ gr_pfb_clock_sync_fff.cc
libfilter_qa_la_common_SOURCES = \
qa_filter.cc \
gr_pfb_decimator_ccf.h \
gr_pfb_interpolator_ccf.h \
gr_pfb_arb_resampler_ccf.h \
- gr_pfb_clock_sync_ccf.h
+ gr_pfb_clock_sync_ccf.h \
+ gr_pfb_clock_sync_fff.h
noinst_HEADERS = \
assembly.h \
gr_pfb_interpolator_ccf.i \
gr_pfb_arb_resampler_ccf.i \
gr_pfb_clock_sync_ccf.i \
+ gr_pfb_clock_sync_fff.i \
$(GENERATED_I)
endif
max_rate_deviation));
}
-int ios[] = {sizeof(gr_complex), sizeof(float), sizeof(float), sizeof(float)};
-std::vector<int> iosig(ios, ios+sizeof(ios)/sizeof(int));
+static int ios[] = {sizeof(gr_complex), sizeof(float), sizeof(float), sizeof(float)};
+static std::vector<int> iosig(ios, ios+sizeof(ios)/sizeof(int));
gr_pfb_clock_sync_ccf::gr_pfb_clock_sync_ccf (double sps, float gain,
const std::vector<float> &taps,
unsigned int filter_size,
--- /dev/null
+/* -*- c++ -*- */
+/*
+ * Copyright 2009 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.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <cstdio>
+#include <cmath>
+
+#include <gr_pfb_clock_sync_fff.h>
+#include <gr_fir_fff.h>
+#include <gr_fir_util.h>
+#include <gr_io_signature.h>
+#include <gr_math.h>
+
+gr_pfb_clock_sync_fff_sptr gr_make_pfb_clock_sync_fff (double sps, float gain,
+ const std::vector<float> &taps,
+ unsigned int filter_size,
+ float init_phase,
+ float max_rate_deviation)
+{
+ return gr_pfb_clock_sync_fff_sptr (new gr_pfb_clock_sync_fff (sps, gain, taps,
+ filter_size,
+ init_phase,
+ max_rate_deviation));
+}
+
+static int ios[] = {sizeof(float), sizeof(float), sizeof(float), sizeof(float)};
+static std::vector<int> iosig(ios, ios+sizeof(ios)/sizeof(int));
+gr_pfb_clock_sync_fff::gr_pfb_clock_sync_fff (double sps, float gain,
+ const std::vector<float> &taps,
+ unsigned int filter_size,
+ float init_phase,
+ float max_rate_deviation)
+ : gr_block ("pfb_clock_sync_fff",
+ gr_make_io_signature (1, 1, sizeof(float)),
+ gr_make_io_signaturev (1, 4, iosig)),
+ d_updated (false), d_nfilters(filter_size),
+ d_max_dev(max_rate_deviation)
+{
+ d_nfilters = filter_size;
+ d_sps = floor(sps);
+
+ // Store the last filter between calls to work
+ // The accumulator keeps track of overflow to increment the stride correctly.
+ // set it here to the fractional difference based on the initial phaes
+ set_alpha(gain);
+ set_beta(0.25*gain*gain);
+ d_k = init_phase;
+ d_rate = (sps-floor(sps))*(double)d_nfilters;
+ d_rate_i = (int)floor(d_rate);
+ d_rate_f = d_rate - (float)d_rate_i;
+ d_filtnum = (int)floor(d_k);
+
+ d_filters = std::vector<gr_fir_fff*>(d_nfilters);
+ d_diff_filters = std::vector<gr_fir_fff*>(d_nfilters);
+
+ // Create an FIR filter for each channel and zero out the taps
+ std::vector<float> vtaps(0, d_nfilters);
+ for(int i = 0; i < d_nfilters; i++) {
+ d_filters[i] = gr_fir_util::create_gr_fir_fff(vtaps);
+ d_diff_filters[i] = gr_fir_util::create_gr_fir_fff(vtaps);
+ }
+
+ // Now, actually set the filters' taps
+ std::vector<float> dtaps;
+ create_diff_taps(taps, dtaps);
+ set_taps(taps, d_taps, d_filters);
+ set_taps(dtaps, d_dtaps, d_diff_filters);
+}
+
+gr_pfb_clock_sync_fff::~gr_pfb_clock_sync_fff ()
+{
+ for(int i = 0; i < d_nfilters; i++) {
+ delete d_filters[i];
+ }
+}
+
+void
+gr_pfb_clock_sync_fff::set_taps (const std::vector<float> &newtaps,
+ std::vector< std::vector<float> > &ourtaps,
+ std::vector<gr_fir_fff*> &ourfilter)
+{
+ int i,j;
+
+ unsigned int ntaps = newtaps.size();
+ d_taps_per_filter = (unsigned int)ceil((double)ntaps/(double)d_nfilters);
+
+ // Create d_numchan vectors to store each channel's taps
+ ourtaps.resize(d_nfilters);
+
+ // Make a vector of the taps plus fill it out with 0's to fill
+ // each polyphase filter with exactly d_taps_per_filter
+ std::vector<float> tmp_taps;
+ tmp_taps = newtaps;
+ while((float)(tmp_taps.size()) < d_nfilters*d_taps_per_filter) {
+ tmp_taps.push_back(0.0);
+ }
+
+ // Partition the filter
+ for(i = 0; i < d_nfilters; i++) {
+ // Each channel uses all d_taps_per_filter with 0's if not enough taps to fill out
+ ourtaps[d_nfilters-1-i] = std::vector<float>(d_taps_per_filter, 0);
+ for(j = 0; j < d_taps_per_filter; j++) {
+ ourtaps[d_nfilters - 1 - i][j] = tmp_taps[i + j*d_nfilters];
+ }
+
+ // Build a filter for each channel and add it's taps to it
+ ourfilter[i]->set_taps(ourtaps[d_nfilters-1-i]);
+ }
+
+ // Set the history to ensure enough input items for each filter
+ set_history (d_taps_per_filter + d_sps);
+
+ d_updated = true;
+}
+
+void
+gr_pfb_clock_sync_fff::create_diff_taps(const std::vector<float> &newtaps,
+ std::vector<float> &difftaps)
+{
+ float maxtap = 1e-20;
+ difftaps.clear();
+ difftaps.push_back(0); //newtaps[0]);
+ for(unsigned int i = 1; i < newtaps.size()-1; i++) {
+ float tap = newtaps[i+1] - newtaps[i-1];
+ difftaps.push_back(tap);
+ if(tap > maxtap) {
+ maxtap = tap;
+ }
+ }
+ difftaps.push_back(0);//-newtaps[newtaps.size()-1]);
+
+ // Scale the differential taps; helps scale error term to better update state
+ // FIXME: should this be scaled this way or use the same gain as the taps?
+ for(unsigned int i = 0; i < difftaps.size(); i++) {
+ difftaps[i] /= maxtap;
+ }
+}
+
+void
+gr_pfb_clock_sync_fff::print_taps()
+{
+ int i, j;
+ printf("[ ");
+ for(i = 0; i < d_nfilters; i++) {
+ printf("[%.4e, ", d_taps[i][0]);
+ for(j = 1; j < d_taps_per_filter-1; j++) {
+ printf("%.4e,", d_taps[i][j]);
+ }
+ printf("%.4e],", d_taps[i][j]);
+ }
+ printf(" ]\n");
+}
+
+void
+gr_pfb_clock_sync_fff::print_diff_taps()
+{
+ int i, j;
+ printf("[ ");
+ for(i = 0; i < d_nfilters; i++) {
+ printf("[%.4e, ", d_dtaps[i][0]);
+ for(j = 1; j < d_taps_per_filter-1; j++) {
+ printf("%.4e,", d_dtaps[i][j]);
+ }
+ printf("%.4e],", d_dtaps[i][j]);
+ }
+ printf(" ]\n");
+}
+
+
+std::vector<float>
+gr_pfb_clock_sync_fff::channel_taps(int channel)
+{
+ std::vector<float> taps;
+ for(int i = 0; i < d_taps_per_filter; i++) {
+ taps.push_back(d_taps[channel][i]);
+ }
+ return taps;
+}
+
+std::vector<float>
+gr_pfb_clock_sync_fff::diff_channel_taps(int channel)
+{
+ std::vector<float> taps;
+ for(int i = 0; i < d_taps_per_filter; i++) {
+ taps.push_back(d_dtaps[channel][i]);
+ }
+ return taps;
+}
+
+
+int
+gr_pfb_clock_sync_fff::general_work (int noutput_items,
+ gr_vector_int &ninput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items)
+{
+ float *in = (float *) input_items[0];
+ float *out = (float *) output_items[0];
+
+ float *err, *outrate, *outk;
+ if(output_items.size() > 2) {
+ err = (float *) output_items[1];
+ outrate = (float*)output_items[2];
+ outk = (float*)output_items[3];
+ }
+
+ if (d_updated) {
+ d_updated = false;
+ return 0; // history requirements may have changed.
+ }
+
+ // We need this many to process one output
+ int nrequired = ninput_items[0] - d_taps_per_filter;
+
+ int i = 0, count = 0;
+ float error;
+
+ // produce output as long as we can and there are enough input samples
+ while((i < noutput_items) && (count < nrequired)) {
+ d_filtnum = (int)floor(d_k);
+
+ // Keep the current filter number in [0, d_nfilters]
+ // If we've run beyond the last filter, wrap around and go to next sample
+ // If we've go below 0, wrap around and go to previous sample
+ while(d_filtnum >= d_nfilters) {
+ d_k -= d_nfilters;
+ d_filtnum -= d_nfilters;
+ count += 1;
+ }
+ while(d_filtnum < 0) {
+ d_k += d_nfilters;
+ d_filtnum += d_nfilters;
+ count -= 1;
+ }
+
+ out[i] = d_filters[d_filtnum]->filter(&in[count]);
+ float diff = d_diff_filters[d_filtnum]->filter(&in[count]);
+ error = out[i] * diff;
+
+ // Run the control loop to update the current phase (k) and tracking rate
+ d_k = d_k + d_alpha*error + d_rate_i + d_rate_f;
+ d_rate_f = d_rate_f + d_beta*error;
+
+ // Keep our rate within a good range
+ d_rate_f = gr_branchless_clip(d_rate_f, d_max_dev);
+
+ i++;
+ count += (int)floor(d_sps);
+
+ if(output_items.size() > 2) {
+ err[i] = error;
+ outrate[i] = d_rate_f;
+ outk[i] = d_k;
+ }
+ }
+ consume_each(count);
+
+ return i;
+}
--- /dev/null
+/* -*- c++ -*- */
+/*
+ * Copyright 2009 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_GR_PFB_CLOCK_SYNC_FFF_H
+#define INCLUDED_GR_PFB_CLOCK_SYNC_FFF_H
+
+#include <gr_block.h>
+
+class gr_pfb_clock_sync_fff;
+typedef boost::shared_ptr<gr_pfb_clock_sync_fff> gr_pfb_clock_sync_fff_sptr;
+gr_pfb_clock_sync_fff_sptr gr_make_pfb_clock_sync_fff (double sps, float gain,
+ const std::vector<float> &taps,
+ unsigned int filter_size=32,
+ float init_phase=0,
+ float max_rate_deviation=1.5);
+
+class gr_fir_fff;
+
+/*!
+ * \class gr_pfb_clock_sync_fff
+ *
+ * \brief Timing synchronizer using polyphase filterbanks
+ *
+ * \ingroup filter_blk
+ *
+ */
+
+class gr_pfb_clock_sync_fff : public gr_block
+{
+ private:
+ /*!
+ * Build the polyphase filterbank timing synchronizer.
+ */
+ friend gr_pfb_clock_sync_fff_sptr gr_make_pfb_clock_sync_fff (double sps, float gain,
+ const std::vector<float> &taps,
+ unsigned int filter_size,
+ float init_phase,
+ float max_rate_deviation);
+
+ bool d_updated;
+ double d_sps;
+ double d_sample_num;
+ float d_alpha;
+ float d_beta;
+ int d_nfilters;
+ std::vector<gr_fir_fff*> d_filters;
+ std::vector<gr_fir_fff*> d_diff_filters;
+ std::vector< std::vector<float> > d_taps;
+ std::vector< std::vector<float> > d_dtaps;
+ float d_k;
+ float d_rate;
+ float d_rate_i;
+ float d_rate_f;
+ float d_max_dev;
+ int d_filtnum;
+ int d_taps_per_filter;
+
+ /*!
+ * Build the polyphase filterbank timing synchronizer.
+ */
+ gr_pfb_clock_sync_fff (double sps, float gain,
+ const std::vector<float> &taps,
+ unsigned int filter_size,
+ float init_phase,
+ float max_rate_deviation);
+
+ void create_diff_taps(const std::vector<float> &newtaps,
+ std::vector<float> &difftaps);
+
+public:
+ ~gr_pfb_clock_sync_fff ();
+
+ /*!
+ * Resets the filterbank's filter taps with the new prototype filter
+ */
+ void set_taps (const std::vector<float> &taps,
+ std::vector< std::vector<float> > &ourtaps,
+ std::vector<gr_fir_fff*> &ourfilter);
+ std::vector<float> channel_taps(int channel);
+ std::vector<float> diff_channel_taps(int channel);
+
+ /*!
+ * Print all of the filterbank taps to screen.
+ */
+ void print_taps();
+ void print_diff_taps();
+
+ void set_alpha(float alpha)
+ {
+ d_alpha = alpha;
+ }
+ void set_beta(float beta)
+ {
+ d_beta = beta;
+ }
+
+ void set_max_rate_deviation(float m)
+ {
+ d_max_dev = m;
+ }
+
+ int general_work (int noutput_items,
+ gr_vector_int &ninput_items,
+ gr_vector_const_void_star &input_items,
+ gr_vector_void_star &output_items);
+};
+
+#endif
--- /dev/null
+/* -*- c++ -*- */
+/*
+ * Copyright 2009 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.
+ */
+
+GR_SWIG_BLOCK_MAGIC(gr,pfb_clock_sync_fff);
+
+gr_pfb_clock_sync_fff_sptr gr_make_pfb_clock_sync_fff (double sps, float gain,
+ const std::vector<float> &taps,
+ unsigned int filter_size=32,
+ float init_phase=0,
+ float max_rate_deviation=1.5);
+
+class gr_pfb_clock_sync_fff : public gr_block
+{
+ private:
+ gr_pfb_clock_sync_fff (double sps, float gain,
+ const std::vector<float> &taps,
+ unsigned int filter_size,
+ float init_phase,
+ float max_rate_deviation);
+
+ public:
+ ~gr_pfb_clock_sync_fff ();
+
+ void set_taps (const std::vector<float> &taps,
+ std::vector< std::vector<float> > &ourtaps,
+ std::vector<gr_fir_fff*> &ourfilter);
+
+ std::vector<float> channel_taps(int channel);
+ std::vector<float> diff_channel_taps(int channel);
+ void print_taps();
+ void print_diff_taps();
+ void set_alpha(float alpha);
+ void set_beta(float beta);
+ void set_max_rate_deviation(float m);
+};
<?xml version='1.0' encoding='ASCII'?>
<flow_graph>
- <timestamp>Mon Oct 12 17:54:59 2009</timestamp>
+ <timestamp>Sat Oct 31 10:26:48 2009</timestamp>
<block>
<key>options</key>
<param>
<value>0</value>
</param>
</block>
- <block>
- <key>wxgui_scopesink2</key>
- <param>
- <key>id</key>
- <value>wxgui_scopesink2_0_0_0_0</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>type</key>
- <value>float</value>
- </param>
- <param>
- <key>title</key>
- <value>Scope Plot</value>
- </param>
- <param>
- <key>samp_rate</key>
- <value>samp_rate</value>
- </param>
- <param>
- <key>v_scale</key>
- <value>1.25</value>
- </param>
- <param>
- <key>t_scale</key>
- <value>0</value>
- </param>
- <param>
- <key>ac_couple</key>
- <value>False</value>
- </param>
- <param>
- <key>xy_mode</key>
- <value>False</value>
- </param>
- <param>
- <key>num_inputs</key>
- <value>1</value>
- </param>
- <param>
- <key>grid_pos</key>
- <value></value>
- </param>
- <param>
- <key>notebook</key>
- <value>notebook_0,2</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(1111, 767)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
- <block>
- <key>wxgui_scopesink2</key>
- <param>
- <key>id</key>
- <value>wxgui_scopesink2_0_0_0</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>type</key>
- <value>float</value>
- </param>
- <param>
- <key>title</key>
- <value>Scope Plot</value>
- </param>
- <param>
- <key>samp_rate</key>
- <value>samp_rate</value>
- </param>
- <param>
- <key>v_scale</key>
- <value>9</value>
- </param>
- <param>
- <key>t_scale</key>
- <value>0</value>
- </param>
- <param>
- <key>ac_couple</key>
- <value>False</value>
- </param>
- <param>
- <key>xy_mode</key>
- <value>False</value>
- </param>
- <param>
- <key>num_inputs</key>
- <value>1</value>
- </param>
- <param>
- <key>grid_pos</key>
- <value></value>
- </param>
- <param>
- <key>notebook</key>
- <value>notebook_0,1</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(1112, 881)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
<block>
<key>gr_channel_model</key>
<param>
<value>0</value>
</param>
</block>
- <block>
- <key>gr_throttle</key>
- <param>
- <key>id</key>
- <value>gr_throttle_0</value>
- </param>
- <param>
- <key>_enabled</key>
- <value>True</value>
- </param>
- <param>
- <key>type</key>
- <value>complex</value>
- </param>
- <param>
- <key>samples_per_second</key>
- <value>samp_rate</value>
- </param>
- <param>
- <key>vlen</key>
- <value>1</value>
- </param>
- <param>
- <key>_coordinate</key>
- <value>(290, 575)</value>
- </param>
- <param>
- <key>_rotation</key>
- <value>0</value>
- </param>
- </block>
<block>
<key>notebook</key>
<param>
<key>v_scale</key>
<value>.5</value>
</param>
+ <param>
+ <key>v_offset</key>
+ <value>0</value>
+ </param>
<param>
<key>t_scale</key>
<value>0</value>
<key>num_inputs</key>
<value>1</value>
</param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
<param>
<key>grid_pos</key>
<value></value>
</param>
</block>
<block>
- <key>wxgui_scopesink2</key>
+ <key>variable</key>
<param>
<key>id</key>
- <value>wxgui_scopesink2_0</value>
+ <value>nfilts</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
- <key>type</key>
- <value>complex</value>
+ <key>value</key>
+ <value>32</value>
</param>
<param>
- <key>title</key>
- <value>Scope Plot</value>
+ <key>_coordinate</key>
+ <value>(435, 686)</value>
</param>
<param>
- <key>samp_rate</key>
- <value>samp_rate</value>
+ <key>_rotation</key>
+ <value>0</value>
</param>
+ </block>
+ <block>
+ <key>variable_slider</key>
<param>
- <key>v_scale</key>
+ <key>id</key>
+ <value>noise_amp</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>label</key>
+ <value>Channel Noise</value>
+ </param>
+ <param>
+ <key>value</key>
<value>0</value>
</param>
<param>
- <key>t_scale</key>
+ <key>min</key>
<value>0</value>
</param>
<param>
- <key>ac_couple</key>
- <value>False</value>
+ <key>max</key>
+ <value>1.0</value>
</param>
<param>
- <key>xy_mode</key>
- <value>False</value>
+ <key>num_steps</key>
+ <value>1000</value>
</param>
<param>
- <key>num_inputs</key>
- <value>1</value>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
+ </param>
+ <param>
+ <key>converver</key>
+ <value>float_converter</value>
</param>
<param>
<key>grid_pos</key>
</param>
<param>
<key>_coordinate</key>
- <value>(1116, 500)</value>
+ <value>(168, 684)</value>
</param>
<param>
<key>_rotation</key>
</param>
</block>
<block>
- <key>variable</key>
+ <key>variable_slider</key>
<param>
<key>id</key>
- <value>nfilts</value>
+ <value>interpratio</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
- <key>value</key>
- <value>32</value>
+ <key>label</key>
+ <value>Timing Offset</value>
</param>
<param>
- <key>_coordinate</key>
- <value>(435, 686)</value>
+ <key>value</key>
+ <value>1.00</value>
</param>
<param>
- <key>_rotation</key>
- <value>0</value>
+ <key>min</key>
+ <value>0.99</value>
</param>
- </block>
- <block>
- <key>gr_pfb_clock_sync_ccf</key>
<param>
- <key>id</key>
- <value>gr_pfb_clock_sync_ccf_0</value>
+ <key>max</key>
+ <value>1.01</value>
</param>
<param>
- <key>_enabled</key>
- <value>True</value>
+ <key>num_steps</key>
+ <value>1000</value>
</param>
<param>
- <key>sps</key>
- <value>spb</value>
+ <key>style</key>
+ <value>wx.SL_HORIZONTAL</value>
</param>
<param>
- <key>alpha</key>
- <value>alpha</value>
+ <key>converver</key>
+ <value>float_converter</value>
</param>
<param>
- <key>beta</key>
- <value>beta</value>
+ <key>grid_pos</key>
+ <value></value>
</param>
<param>
- <key>taps</key>
- <value>rrctaps</value>
+ <key>notebook</key>
+ <value></value>
</param>
<param>
- <key>filter_size</key>
- <value>nfilts</value>
+ <key>_coordinate</key>
+ <value>(40, 684)</value>
</param>
<param>
- <key>init_phase</key>
- <value>16</value>
- </param>
+ <key>_rotation</key>
+ <value>180</value>
+ </param>
+ </block>
+ <block>
+ <key>variable</key>
<param>
- <key>max_dev</key>
- <value>1.5</value>
+ <key>id</key>
+ <value>spb_gen</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>4</value>
</param>
<param>
<key>_coordinate</key>
- <value>(512, 527)</value>
+ <value>(119, 841)</value>
</param>
<param>
<key>_rotation</key>
<key>variable_slider</key>
<param>
<key>id</key>
- <value>noise_amp</value>
+ <value>beta</value>
</param>
<param>
<key>_enabled</key>
</param>
<param>
<key>label</key>
- <value>Channel Noise</value>
+ <value>Timing Beta</value>
</param>
<param>
<key>value</key>
</param>
<param>
<key>min</key>
- <value>0</value>
+ <value>0.0</value>
</param>
<param>
<key>max</key>
- <value>1.0</value>
+ <value>0.1</value>
</param>
<param>
<key>num_steps</key>
</param>
<param>
<key>_coordinate</key>
- <value>(168, 684)</value>
+ <value>(668, 5)</value>
</param>
<param>
<key>_rotation</key>
- <value>0</value>
+ <value>180</value>
</param>
</block>
<block>
<key>variable_slider</key>
<param>
<key>id</key>
- <value>interpratio</value>
+ <value>alpha</value>
</param>
<param>
<key>_enabled</key>
</param>
<param>
<key>label</key>
- <value>Timing Offset</value>
+ <value>Timing Alpha</value>
</param>
<param>
<key>value</key>
- <value>1.00</value>
+ <value>0</value>
</param>
<param>
<key>min</key>
- <value>0.99</value>
+ <value>0</value>
</param>
<param>
<key>max</key>
- <value>1.01</value>
+ <value>1</value>
</param>
<param>
<key>num_steps</key>
</param>
<param>
<key>_coordinate</key>
- <value>(40, 684)</value>
+ <value>(552, 4)</value>
</param>
<param>
<key>_rotation</key>
- <value>180</value>
+ <value>0</value>
</param>
</block>
<block>
- <key>variable</key>
+ <key>root_raised_cosine_filter</key>
<param>
<key>id</key>
- <value>spb_gen</value>
+ <value>root_raised_cosine_filter_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
- <key>value</key>
- <value>4</value>
+ <key>type</key>
+ <value>interp_fir_filter_ccf</value>
+ </param>
+ <param>
+ <key>decim</key>
+ <value>1</value>
+ </param>
+ <param>
+ <key>interp</key>
+ <value>spb_gen</value>
+ </param>
+ <param>
+ <key>gain</key>
+ <value>2*spb_gen</value>
+ </param>
+ <param>
+ <key>samp_rate</key>
+ <value>1.0</value>
+ </param>
+ <param>
+ <key>sym_rate</key>
+ <value>1./spb_gen</value>
+ </param>
+ <param>
+ <key>alpha</key>
+ <value>0.35</value>
+ </param>
+ <param>
+ <key>ntaps</key>
+ <value>11*spb_gen</value>
</param>
<param>
<key>_coordinate</key>
- <value>(119, 841)</value>
+ <value>(834, 157)</value>
</param>
<param>
<key>_rotation</key>
</param>
</block>
<block>
- <key>variable_slider</key>
+ <key>blks2_pfb_arb_resampler_ccf</key>
<param>
<key>id</key>
- <value>beta</value>
+ <value>blks2_pfb_arb_resampler_ccf_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
- <key>label</key>
- <value>Timing Beta</value>
+ <key>rate</key>
+ <value>float(spb)/float(spb_gen)</value>
</param>
<param>
- <key>value</key>
- <value>0</value>
+ <key>taps</key>
+ <value>firdes.low_pass(128, 128, 0.45, 0.1)</value>
</param>
<param>
- <key>min</key>
- <value>0.0</value>
+ <key>size</key>
+ <value>128</value>
</param>
<param>
- <key>max</key>
- <value>0.1</value>
+ <key>_coordinate</key>
+ <value>(617, 374)</value>
</param>
<param>
- <key>num_steps</key>
- <value>1000</value>
+ <key>_rotation</key>
+ <value>0</value>
</param>
+ </block>
+ <block>
+ <key>gr_multiply_const_vxx</key>
<param>
- <key>style</key>
- <value>wx.SL_HORIZONTAL</value>
+ <key>id</key>
+ <value>gr_multiply_const_vxx_0</value>
</param>
<param>
- <key>converver</key>
- <value>float_converter</value>
+ <key>_enabled</key>
+ <value>True</value>
</param>
<param>
- <key>grid_pos</key>
- <value></value>
+ <key>type</key>
+ <value>complex</value>
</param>
<param>
- <key>notebook</key>
- <value></value>
+ <key>const</key>
+ <value>sig_amp</value>
+ </param>
+ <param>
+ <key>vlen</key>
+ <value>1</value>
</param>
<param>
<key>_coordinate</key>
- <value>(668, 5)</value>
+ <value>(1096, 197)</value>
</param>
<param>
<key>_rotation</key>
- <value>180</value>
+ <value>0</value>
</param>
</block>
<block>
- <key>variable_slider</key>
+ <key>variable</key>
<param>
<key>id</key>
- <value>alpha</value>
+ <value>pam_amp</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
- <key>label</key>
- <value>Timing Alpha</value>
+ <key>value</key>
+ <value>2</value>
</param>
<param>
- <key>value</key>
- <value>0</value>
+ <key>_coordinate</key>
+ <value>(223, 9)</value>
</param>
<param>
- <key>min</key>
+ <key>_rotation</key>
<value>0</value>
</param>
+ </block>
+ <block>
+ <key>variable</key>
<param>
- <key>max</key>
- <value>1</value>
+ <key>id</key>
+ <value>spb</value>
</param>
<param>
- <key>num_steps</key>
- <value>1000</value>
+ <key>_enabled</key>
+ <value>True</value>
</param>
<param>
- <key>style</key>
- <value>wx.SL_HORIZONTAL</value>
+ <key>value</key>
+ <value>4.1</value>
</param>
<param>
- <key>converver</key>
- <value>float_converter</value>
+ <key>_coordinate</key>
+ <value>(32, 842)</value>
</param>
<param>
- <key>grid_pos</key>
- <value></value>
+ <key>_rotation</key>
+ <value>0</value>
</param>
+ </block>
+ <block>
+ <key>variable</key>
<param>
- <key>notebook</key>
- <value></value>
+ <key>id</key>
+ <value>sig_amp</value>
+ </param>
+ <param>
+ <key>_enabled</key>
+ <value>True</value>
+ </param>
+ <param>
+ <key>value</key>
+ <value>1</value>
</param>
<param>
<key>_coordinate</key>
- <value>(552, 4)</value>
+ <value>(315, 9)</value>
</param>
<param>
<key>_rotation</key>
<key>wxgui_scopesink2</key>
<param>
<key>id</key>
- <value>wxgui_scopesink2_0_0</value>
+ <value>wxgui_scopesink2_0</value>
</param>
<param>
<key>_enabled</key>
</param>
<param>
<key>type</key>
- <value>float</value>
+ <value>complex</value>
</param>
<param>
<key>title</key>
- <value>Error</value>
+ <value>Scope Plot</value>
</param>
<param>
<key>samp_rate</key>
</param>
<param>
<key>v_scale</key>
- <value>3</value>
+ <value>0</value>
+ </param>
+ <param>
+ <key>v_offset</key>
+ <value>0</value>
</param>
<param>
<key>t_scale</key>
<key>num_inputs</key>
<value>1</value>
</param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
<param>
<key>grid_pos</key>
<value></value>
</param>
<param>
<key>notebook</key>
- <value>notebook_0,0</value>
+ <value></value>
</param>
<param>
<key>_coordinate</key>
- <value>(1110, 651)</value>
+ <value>(1116, 500)</value>
</param>
<param>
<key>_rotation</key>
</param>
</block>
<block>
- <key>root_raised_cosine_filter</key>
+ <key>gr_throttle</key>
<param>
<key>id</key>
- <value>root_raised_cosine_filter_0</value>
+ <value>gr_throttle_0</value>
</param>
<param>
<key>_enabled</key>
</param>
<param>
<key>type</key>
- <value>interp_fir_filter_ccf</value>
+ <value>complex</value>
</param>
<param>
- <key>decim</key>
+ <key>samples_per_second</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>vlen</key>
<value>1</value>
</param>
<param>
- <key>interp</key>
- <value>spb_gen</value>
+ <key>_coordinate</key>
+ <value>(290, 575)</value>
</param>
<param>
- <key>gain</key>
- <value>2*spb_gen</value>
+ <key>_rotation</key>
+ <value>0</value>
</param>
+ </block>
+ <block>
+ <key>wxgui_scopesink2</key>
<param>
- <key>samp_rate</key>
- <value>1.0</value>
+ <key>id</key>
+ <value>wxgui_scopesink2_0_0</value>
</param>
<param>
- <key>sym_rate</key>
- <value>1./spb_gen</value>
+ <key>_enabled</key>
+ <value>True</value>
</param>
<param>
- <key>alpha</key>
- <value>0.35</value>
+ <key>type</key>
+ <value>float</value>
</param>
<param>
- <key>ntaps</key>
- <value>11*spb_gen</value>
+ <key>title</key>
+ <value>Error</value>
</param>
<param>
- <key>_coordinate</key>
- <value>(834, 157)</value>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
</param>
<param>
- <key>_rotation</key>
+ <key>v_scale</key>
+ <value>3</value>
+ </param>
+ <param>
+ <key>v_offset</key>
<value>0</value>
</param>
- </block>
- <block>
- <key>blks2_pfb_arb_resampler_ccf</key>
<param>
- <key>id</key>
- <value>blks2_pfb_arb_resampler_ccf_0</value>
+ <key>t_scale</key>
+ <value>0</value>
</param>
<param>
- <key>_enabled</key>
- <value>True</value>
+ <key>ac_couple</key>
+ <value>False</value>
</param>
<param>
- <key>rate</key>
- <value>float(spb)/float(spb_gen)</value>
+ <key>xy_mode</key>
+ <value>False</value>
</param>
<param>
- <key>taps</key>
- <value>firdes.low_pass(128, 128, 0.45, 0.1)</value>
+ <key>num_inputs</key>
+ <value>1</value>
</param>
<param>
- <key>size</key>
- <value>128</value>
+ <key>win_size</key>
+ <value></value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>notebook_0,0</value>
</param>
<param>
<key>_coordinate</key>
- <value>(617, 374)</value>
+ <value>(1110, 651)</value>
</param>
<param>
<key>_rotation</key>
</param>
</block>
<block>
- <key>gr_multiply_const_vxx</key>
+ <key>wxgui_scopesink2</key>
<param>
<key>id</key>
- <value>gr_multiply_const_vxx_0</value>
+ <value>wxgui_scopesink2_0_0_0_0</value>
</param>
<param>
<key>_enabled</key>
</param>
<param>
<key>type</key>
- <value>complex</value>
+ <value>float</value>
</param>
<param>
- <key>const</key>
- <value>sig_amp</value>
+ <key>title</key>
+ <value>Scope Plot</value>
</param>
<param>
- <key>vlen</key>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>v_scale</key>
+ <value>1.25</value>
+ </param>
+ <param>
+ <key>v_offset</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>t_scale</key>
+ <value>0</value>
+ </param>
+ <param>
+ <key>ac_couple</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>xy_mode</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
<value>1</value>
</param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>notebook_0,2</value>
+ </param>
<param>
<key>_coordinate</key>
- <value>(1096, 197)</value>
+ <value>(1111, 767)</value>
</param>
<param>
<key>_rotation</key>
</param>
</block>
<block>
- <key>variable</key>
+ <key>gr_pfb_clock_sync_xxx</key>
<param>
<key>id</key>
- <value>pam_amp</value>
+ <value>gr_pfb_clock_sync_xxx_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
- <key>value</key>
- <value>2</value>
+ <key>type</key>
+ <value>ccf</value>
+ </param>
+ <param>
+ <key>sps</key>
+ <value>spb</value>
+ </param>
+ <param>
+ <key>alpha</key>
+ <value>alpha</value>
+ </param>
+ <param>
+ <key>beta</key>
+ <value>beta</value>
+ </param>
+ <param>
+ <key>taps</key>
+ <value>rrctaps</value>
+ </param>
+ <param>
+ <key>filter_size</key>
+ <value>nfilts</value>
+ </param>
+ <param>
+ <key>init_phase</key>
+ <value>16</value>
+ </param>
+ <param>
+ <key>max_dev</key>
+ <value>1.5</value>
</param>
<param>
<key>_coordinate</key>
- <value>(223, 9)</value>
+ <value>(512, 527)</value>
</param>
<param>
<key>_rotation</key>
</param>
</block>
<block>
- <key>variable</key>
+ <key>wxgui_scopesink2</key>
<param>
<key>id</key>
- <value>spb</value>
+ <value>wxgui_scopesink2_0_0_0</value>
</param>
<param>
<key>_enabled</key>
<value>True</value>
</param>
<param>
- <key>value</key>
- <value>4.1</value>
+ <key>type</key>
+ <value>float</value>
</param>
<param>
- <key>_coordinate</key>
- <value>(32, 842)</value>
+ <key>title</key>
+ <value>Scope Plot</value>
</param>
<param>
- <key>_rotation</key>
+ <key>samp_rate</key>
+ <value>samp_rate</value>
+ </param>
+ <param>
+ <key>v_scale</key>
+ <value>9</value>
+ </param>
+ <param>
+ <key>v_offset</key>
<value>0</value>
</param>
- </block>
- <block>
- <key>variable</key>
<param>
- <key>id</key>
- <value>sig_amp</value>
+ <key>t_scale</key>
+ <value>0</value>
</param>
<param>
- <key>_enabled</key>
- <value>True</value>
+ <key>ac_couple</key>
+ <value>False</value>
</param>
<param>
- <key>value</key>
+ <key>xy_mode</key>
+ <value>False</value>
+ </param>
+ <param>
+ <key>num_inputs</key>
<value>1</value>
</param>
+ <param>
+ <key>win_size</key>
+ <value></value>
+ </param>
+ <param>
+ <key>grid_pos</key>
+ <value></value>
+ </param>
+ <param>
+ <key>notebook</key>
+ <value>notebook_0,1</value>
+ </param>
<param>
<key>_coordinate</key>
- <value>(315, 9)</value>
+ <value>(1112, 881)</value>
</param>
<param>
<key>_rotation</key>
<value>0</value>
</param>
</block>
- <connection>
- <source_block_id>gr_pfb_clock_sync_ccf_0</source_block_id>
- <sink_block_id>wxgui_scopesink2_0_0</sink_block_id>
- <source_key>1</source_key>
- <sink_key>0</sink_key>
- </connection>
- <connection>
- <source_block_id>gr_pfb_clock_sync_ccf_0</source_block_id>
- <sink_block_id>wxgui_scopesink2_0_0_0</sink_block_id>
- <source_key>3</source_key>
- <sink_key>0</sink_key>
- </connection>
- <connection>
- <source_block_id>gr_pfb_clock_sync_ccf_0</source_block_id>
- <sink_block_id>wxgui_scopesink2_0_0_0_0</sink_block_id>
- <source_key>2</source_key>
- <sink_key>0</sink_key>
- </connection>
<connection>
<source_block_id>random_source_x_0</source_block_id>
<sink_block_id>gr_uchar_to_float_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
- <connection>
- <source_block_id>gr_throttle_0</source_block_id>
- <sink_block_id>gr_pfb_clock_sync_ccf_0</sink_block_id>
- <source_key>0</source_key>
- <sink_key>0</sink_key>
- </connection>
- <connection>
- <source_block_id>gr_pfb_clock_sync_ccf_0</source_block_id>
- <sink_block_id>wxgui_scopesink2_0</sink_block_id>
- <source_key>0</source_key>
- <sink_key>0</sink_key>
- </connection>
<connection>
<source_block_id>gr_add_xx_0</source_block_id>
<sink_block_id>gr_float_to_complex_0</sink_block_id>
<source_key>0</source_key>
<sink_key>0</sink_key>
</connection>
+ <connection>
+ <source_block_id>gr_pfb_clock_sync_xxx_0</source_block_id>
+ <sink_block_id>wxgui_scopesink2_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_throttle_0</source_block_id>
+ <sink_block_id>gr_pfb_clock_sync_xxx_0</sink_block_id>
+ <source_key>0</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_pfb_clock_sync_xxx_0</source_block_id>
+ <sink_block_id>wxgui_scopesink2_0_0</sink_block_id>
+ <source_key>1</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_pfb_clock_sync_xxx_0</source_block_id>
+ <sink_block_id>wxgui_scopesink2_0_0_0_0</sink_block_id>
+ <source_key>2</source_key>
+ <sink_key>0</sink_key>
+ </connection>
+ <connection>
+ <source_block_id>gr_pfb_clock_sync_xxx_0</source_block_id>
+ <sink_block_id>wxgui_scopesink2_0_0_0</sink_block_id>
+ <source_key>3</source_key>
+ <sink_key>0</sink_key>
+ </connection>
</flow_graph>
-->
<block>
<name>Polyphase Clock Sync</name>
- <key>gr_pfb_clock_sync_ccf</key>
+ <key>gr_pfb_clock_sync_xxx</key>
<import>from gnuradio import gr</import>
- <make>gr.pfb_clock_sync_ccf($sps, $alpha, $taps, $filter_size, $init_phase, $max_dev)
+ <make>gr.pfb_clock_sync_$(type)($sps, $alpha, $taps, $filter_size, $init_phase, $max_dev)
self.$(id).set_beta($beta)</make>
<callback>set_taps($taps)</callback>
<callback>set_alpha($alpha)</callback>
<callback>set_beta($beta)</callback>
+ <param>
+ <name>Type</name>
+ <key>type</key>
+ <type>enum</type>
+ <option>
+ <name>Complex->Complex (Real Taps)</name>
+ <key>ccf</key>
+ <opt>input:complex</opt>
+ <opt>output:complex</opt>
+ <opt>taps:real_vector</opt>
+ </option>
+ <option>
+ <name>Float->Float (Real Taps)</name>
+ <key>fff</key>
+ <opt>input:float</opt>
+ <opt>output:float</opt>
+ <opt>taps:real_vector</opt>
+ </option>
+ </param>
+
<param>
<name>Samples/Symbol</name>
<key>sps</key>
</param>
<sink>
<name>in</name>
- <type>complex</type>
+ <type>$type.input</type>
</sink>
<source>
<name>out</name>
- <type>complex</type>
+ <type>$type.output</type>
</source>
<source>
<name>err</name>
projects / debian / gnuradio / commitdiff