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https://github.com/eried/portapack-mayhem.git
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7710b2d1fa
Separate channel spectrum config from spectrum data. This will permit sending config info only when necessary. Use type information of ChannelSpectrum to statically define number of FFT bins elsewhere. TODO: Posting configuration message way too often. Fixing that is the next step.
96 lines
2.4 KiB
C++
96 lines
2.4 KiB
C++
/*
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* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
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*
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* This file is part of PortaPack.
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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 2, or (at your option)
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* 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; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef __UI_SPECTRUM_H__
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#define __UI_SPECTRUM_H__
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#include "ui.hpp"
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#include "ui_widget.hpp"
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#include "message.hpp"
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#include <cstdint>
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#include <cstddef>
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namespace ui {
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namespace spectrum {
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class FrequencyScale : public Widget {
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public:
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void on_show() override;
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void set_spectrum_sampling_rate(const uint32_t new_sampling_rate);
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void set_channel_filter(const uint32_t pass_frequency, const uint32_t stop_frequency);
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void paint(Painter& painter) override;
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private:
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static constexpr Dim filter_band_height = 4;
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uint32_t spectrum_sampling_rate { 0 };
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const size_t spectrum_bins = std::tuple_size<decltype(ChannelSpectrum::db)>::value;
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uint32_t channel_filter_pass_frequency { 0 };
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uint32_t channel_filter_stop_frequency { 0 };
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void clear();
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void clear_background(Painter& painter, const Rect r);
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void draw_frequency_ticks(Painter& painter, const Rect r);
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void draw_filter_ranges(Painter& painter, const Rect r);
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};
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class WaterfallView : public Widget {
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public:
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void on_show() override;
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void on_hide() override;
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void paint(Painter& painter) override;
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void on_channel_spectrum(const ChannelSpectrum& spectrum);
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private:
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void clear();
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};
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class WaterfallWidget : public View {
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public:
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WaterfallWidget();
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void on_show() override;
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void on_hide() override;
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void set_parent_rect(const Rect new_parent_rect) override;
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void paint(Painter& painter) override;
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private:
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WaterfallView waterfall_view;
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FrequencyScale frequency_scale;
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ChannelSpectrumFIFO* fifo;
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void on_channel_spectrum(const ChannelSpectrum& spectrum);
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};
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} /* namespace spectrum */
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} /* namespace ui */
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#endif/*__UI_SPECTRUM_H__*/
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