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Added an audio FFT view in Wideband FM receive

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Tried speeding up fill_rectangle for clearing the waveform widget
This commit is contained in:
furrtek 2018-05-21 18:46:48 +01:00
parent b11c3c94b6
commit b813b32593
19 changed files with 259 additions and 38 deletions
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47
firmware/application/ui/ui_spectrum.cpp
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@ -255,7 +255,7 @@ WaterfallWidget::WaterfallWidget(const bool cursor) {
add_children({
&waterfall_view,
&frequency_scale,
&frequency_scale
});
}
@ -311,16 +311,51 @@ bool WaterfallWidget::on_key(const KeyEvent key) {
return false;
}
void WaterfallWidget::on_audio_spectrum(const AudioSpectrum& spectrum) {
if (fft_widget) {
for (size_t i = 0; i < spectrum.db.size(); i++)
audio_spectrum[i] = ((int16_t)spectrum.db[i] - 127) * 256;
fft_widget->set_dirty();
}
}
void WaterfallWidget::set_fft_widget(const bool show) {
if (fft_widget) {
audio_fifo = nullptr;
remove_child(fft_widget.get());
fft_widget.reset();
}
if (show) {
waterfall_view.set_parent_rect(waterfall_reduced_rect);
waterfall_view.on_show();
fft_widget = std::make_unique<Waveform>(
fft_widget_rect,
audio_spectrum,
128,
0,
false,
Color::white());
add_child(fft_widget.get());
} else {
waterfall_view.set_parent_rect(waterfall_normal_rect);
waterfall_view.on_show();
}
}
void WaterfallWidget::set_parent_rect(const Rect new_parent_rect) {
constexpr Dim scale_height = 20;
View::set_parent_rect(new_parent_rect);
waterfall_normal_rect = { 0, scale_height, new_parent_rect.width(), new_parent_rect.height() - scale_height};
waterfall_reduced_rect = { 0, scale_height, new_parent_rect.width(), new_parent_rect.height() - scale_height - audio_spectrum_height };
frequency_scale.set_parent_rect({ 0, 0, new_parent_rect.width(), scale_height });
waterfall_view.set_parent_rect({
0, scale_height,
new_parent_rect.width(),
new_parent_rect.height() - scale_height
});
waterfall_view.set_parent_rect(waterfall_normal_rect);
waterfall_view.on_show();
fft_widget_rect = { 0, new_parent_rect.height() - audio_spectrum_height, new_parent_rect.width(), audio_spectrum_height };
}
void WaterfallWidget::paint(Painter& painter) {