parent
05c82193ca
commit
71be84ac85
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@ -53,6 +53,7 @@ list(APPEND enabled_blocks
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satnogs_noaa_apt_sink.xml
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satnogs_noaa_apt_sink.xml
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satnogs_whitening.xml
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satnogs_whitening.xml
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satnogs_frame_acquisition.xml
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satnogs_frame_acquisition.xml
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satnogs_sstv_pd120_sink.xml
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)
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)
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if(${INCLUDE_DEBUG_BLOCKS})
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if(${INCLUDE_DEBUG_BLOCKS})
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@ -0,0 +1,31 @@
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<block>
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<name>SSTV PD120 sink</name>
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<key>satnogs_sstv_pd120_sink</key>
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<category>[SATNOGS]</category>
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<import>import satnogs</import>
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<make>satnogs.sstv_pd120_sink($filename_png, $split)</make>
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<param>
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<name>Output PNG Filename</name>
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<key>filename_png</key>
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<value></value>
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<type>file_save</type>
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</param>
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<param>
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<name>Split</name>
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<key>split</key>
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<value>False</value>
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<type>bool</type>
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<option>
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<name>Yes</name>
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<key>True</key>
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</option>
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<option>
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<name>No</name>
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<key>False</key>
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</option>
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</param>
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<sink>
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<name>in</name>
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<type>float</type>
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</sink>
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</block>
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@ -59,6 +59,7 @@ list(APPEND HEADER_FILES
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noaa_apt_sink.h
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noaa_apt_sink.h
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frame_file_sink.h
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frame_file_sink.h
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iq_sink.h
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iq_sink.h
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sstv_pd120_sink.h
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)
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)
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if(${INCLUDE_DEBUG_BLOCKS})
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if(${INCLUDE_DEBUG_BLOCKS})
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@ -0,0 +1,56 @@
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/* -*- c++ -*- */
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/*
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* gr-satnogs: SatNOGS GNU Radio Out-Of-Tree Module
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*
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* Copyright (C) 2017, Libre Space Foundation <http://librespacefoundation.org/>
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*
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* This program 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 of the License, or
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* (at your option) any later version.
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*
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* This program 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 program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_SATNOGS_SSTV_PD120_SINK_H
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#define INCLUDED_SATNOGS_SSTV_PD120_SINK_H
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#include <satnogs/api.h>
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#include <gnuradio/sync_block.h>
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namespace gr {
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namespace satnogs {
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/*!
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* \brief <+description of block+>
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* \ingroup satnogs
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*
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*/
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class SATNOGS_API sstv_pd120_sink : virtual public gr::sync_block
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{
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public:
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typedef boost::shared_ptr<sstv_pd120_sink> sptr;
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/*!
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* \brief Return a shared_ptr to a new instance of satnogs::sstv_pd120_sink.
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*
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* To avoid accidental use of raw pointers, satnogs::sstv_pd120_sink's
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* constructor is in a private implementation
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* class. satnogs::sstv_pd120_sink::make is the public interface for
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* creating new instances.
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*/
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static sptr make(const char *filename_png, bool split);
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};
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} // namespace satnogs
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} // namespace gr
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#endif /* INCLUDED_SATNOGS_SSTV_PD120_SINK_H */
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@ -74,7 +74,8 @@ list(APPEND satnogs_sources
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lrpt_decoder_impl.cc
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lrpt_decoder_impl.cc
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frame_acquisition_impl.cc
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frame_acquisition_impl.cc
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shift_reg.cc
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shift_reg.cc
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golay24.cc)
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golay24.cc
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sstv_pd120_sink_impl.cc)
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if(${INCLUDE_DEBUG_BLOCKS})
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if(${INCLUDE_DEBUG_BLOCKS})
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list(APPEND satnogs_sources ${satnogs_debug_sources})
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list(APPEND satnogs_sources ${satnogs_debug_sources})
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@ -0,0 +1,123 @@
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/* -*- c++ -*- */
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/*
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* gr-satnogs: SatNOGS GNU Radio Out-Of-Tree Module
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*
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* Copyright (C) 2018, Libre Space Foundation <http://librespacefoundation.org/>
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*
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* This program 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 of the License, or
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* (at your option) any later version.
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*
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* This program 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 program. If not, see <http://www.gnu.org/licenses/>.
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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 "sstv_pd120_sink_impl.h"
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namespace gr {
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namespace satnogs {
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const size_t image_width = 640;
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const size_t sync_length = 105;
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const size_t sync_thresh = 100;
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const size_t porch_length = 10;
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const size_t line_length = sync_length + porch_length + 4 * image_width;
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const float max_dev = 600;
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const float center = 1750;
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const float min_freq = 1200;
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const float max_freq = 2300;
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const float color_low = 1500;
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const float color_high = max_freq;
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sstv_pd120_sink::sptr
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sstv_pd120_sink::make(const char *filename_png, bool split)
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{
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return gnuradio::get_initial_sptr
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(new sstv_pd120_sink_impl(filename_png, split));
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}
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/*
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* The private constructor
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*/
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sstv_pd120_sink_impl::sstv_pd120_sink_impl(const char *filename_png, bool split)
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: gr::sync_block("sstv_pd120_sink",
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gr::io_signature::make (1, 1, sizeof(float)),
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gr::io_signature::make (0, 0, 0)),
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d_filename_png (filename_png),
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d_split (split),
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d_has_sync(false)
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{
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set_history(sync_length);
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d_line = new float[line_length];
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}
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/*
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* Our virtual destructor.
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*/
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sstv_pd120_sink_impl::~sstv_pd120_sink_impl()
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{
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delete[] d_line;
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}
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float
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sstv_pd120_sink_impl::to_frequency(float sample) {
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float freq = center + sample * max_dev;
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freq = std::max(min_freq, freq);
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freq = std::min(max_freq, freq);
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return freq;
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}
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bool
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sstv_pd120_sink_impl::is_sync(size_t pos, const float *samples) {
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size_t count = 0;
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for(size_t i = 0; i < sync_length; i++) {
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float sample = to_frequency(samples[pos - (sync_length - 1) + i]);
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if(sample < color_low) {
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count += 1;
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}
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}
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bool res = count > sync_length && !d_has_sync;
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d_has_sync = count > sync_length;
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std::cout << "Count: " << count << " " << d_has_sync << std::endl;
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return res;
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}
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int
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sstv_pd120_sink_impl::work(int noutput_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 float *in = (const float *) input_items[0];
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std::cout << "foo" << std::endl;
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for (size_t i = sync_length - 1;
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i < noutput_items + sync_length - 1; i++) {
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if(is_sync(i, in)) {
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std::cout << "Sync: " << i << std::endl;
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}
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}
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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 satnogs */
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} /* namespace gr */
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@ -0,0 +1,55 @@
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/* -*- c++ -*- */
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/*
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* gr-satnogs: SatNOGS GNU Radio Out-Of-Tree Module
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*
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* Copyright (C) 2018, Libre Space Foundation <http://librespacefoundation.org/>
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*
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* This program 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 of the License, or
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* (at your option) any later version.
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*
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* This program 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 program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef INCLUDED_SATNOGS_SSTV_PD120_SINK_IMPL_H
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#define INCLUDED_SATNOGS_SSTV_PD120_SINK_IMPL_H
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#include <satnogs/sstv_pd120_sink.h>
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namespace gr {
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namespace satnogs {
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class sstv_pd120_sink_impl : public sstv_pd120_sink
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{
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private:
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std::string d_filename_png;
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bool d_split;
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bool d_has_sync;
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float *d_line;
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float to_frequency(float sample);
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bool is_sync(size_t pos, const float *samples);
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public:
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sstv_pd120_sink_impl(const char *filename_png, bool split);
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~sstv_pd120_sink_impl();
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// Where all the action really happens
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int work(int noutput_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 satnogs
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} // namespace gr
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#endif /* INCLUDED_SATNOGS_SSTV_PD120_SINK_IMPL_H */
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@ -33,6 +33,7 @@
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#include "satnogs/ogg_encoder.h"
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#include "satnogs/ogg_encoder.h"
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#include "satnogs/ogg_source.h"
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#include "satnogs/ogg_source.h"
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#include "satnogs/noaa_apt_sink.h"
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#include "satnogs/noaa_apt_sink.h"
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#include "satnogs/sstv_pd120_sink.h"
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#include "satnogs/frame_file_sink.h"
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#include "satnogs/frame_file_sink.h"
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#include "satnogs/iq_sink.h"
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#include "satnogs/iq_sink.h"
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#include "satnogs/quad_demod_filter_ff.h"
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#include "satnogs/quad_demod_filter_ff.h"
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@ -103,6 +104,9 @@ GR_SWIG_BLOCK_MAGIC2(satnogs, ogg_source);
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%include "satnogs/noaa_apt_sink.h"
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%include "satnogs/noaa_apt_sink.h"
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GR_SWIG_BLOCK_MAGIC2(satnogs, noaa_apt_sink);
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GR_SWIG_BLOCK_MAGIC2(satnogs, noaa_apt_sink);
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%include "satnogs/sstv_pd120_sink.h"
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GR_SWIG_BLOCK_MAGIC2(satnogs, sstv_pd120_sink);
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%include "satnogs/frame_file_sink.h"
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%include "satnogs/frame_file_sink.h"
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GR_SWIG_BLOCK_MAGIC2(satnogs, frame_file_sink);
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GR_SWIG_BLOCK_MAGIC2(satnogs, frame_file_sink);
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Loading…
Reference in New Issue