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ChannelSpectrumConfig message subsumes FIFONotify.

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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.
This commit is contained in:
Jared Boone 2016-01-06 12:10:30 -08:00
parent ba33cc737d
commit 7710b2d1fa
5 changed files with 49 additions and 42 deletions
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29
firmware/application/ui_spectrum.cpp
View file

@ -40,11 +40,9 @@ void FrequencyScale::on_show() {
clear();
}
void FrequencyScale::set_spectrum_sampling_rate(const uint32_t new_sampling_rate, const size_t new_spectrum_bins) {
if( (spectrum_sampling_rate != new_sampling_rate) ||
(spectrum_bins != new_spectrum_bins) ) {
void FrequencyScale::set_spectrum_sampling_rate(const uint32_t new_sampling_rate) {
if( (spectrum_sampling_rate != new_sampling_rate) ) {
spectrum_sampling_rate = new_sampling_rate;
spectrum_bins = new_spectrum_bins;
set_dirty();
}
}
@ -66,7 +64,7 @@ void FrequencyScale::paint(Painter& painter) {
clear_background(painter, r);
if( !spectrum_sampling_rate || !spectrum_bins ) {
if( !spectrum_sampling_rate ) {
// Can't draw without non-zero scale.
return;
}
@ -77,7 +75,6 @@ void FrequencyScale::paint(Painter& painter) {
void FrequencyScale::clear() {
spectrum_sampling_rate = 0;
spectrum_bins = 0;
set_dirty();
}
@ -237,14 +234,19 @@ WaterfallWidget::WaterfallWidget() {
}
void WaterfallWidget::on_show() {
context().message_map().register_handler(Message::ID::FIFONotify,
context().message_map().register_handler(Message::ID::ChannelSpectrumConfig,
[this](const Message* const p) {
const auto message = reinterpret_cast<const FIFONotifyMessage*>(p);
this->fifo = reinterpret_cast<ChannelSpectrumFIFO*>(message->fifo);
const auto message = *reinterpret_cast<const ChannelSpectrumConfigMessage*>(p);
frequency_scale.set_spectrum_sampling_rate(message.sampling_rate);
frequency_scale.set_channel_filter(
message.channel_filter_pass_frequency,
message.channel_filter_stop_frequency
);
this->fifo = message.fifo;
}
);
context().message_map().register_handler(Message::ID::DisplayFrameSync,
[this](const Message* const p) {
[this](const Message* const) {
if( this->fifo ) {
ChannelSpectrum channel_spectrum;
while( fifo->out(channel_spectrum) ) {
@ -257,7 +259,7 @@ void WaterfallWidget::on_show() {
void WaterfallWidget::on_hide() {
context().message_map().unregister_handler(Message::ID::DisplayFrameSync);
context().message_map().unregister_handler(Message::ID::FIFONotify);
context().message_map().unregister_handler(Message::ID::ChannelSpectrumConfig);
}
void WaterfallWidget::set_parent_rect(const Rect new_parent_rect) {
@ -279,11 +281,6 @@ void WaterfallWidget::paint(Painter& painter) {
void WaterfallWidget::on_channel_spectrum(const ChannelSpectrum& spectrum) {
waterfall_view.on_channel_spectrum(spectrum);
frequency_scale.set_spectrum_sampling_rate(spectrum.sampling_rate, spectrum.db_count);
frequency_scale.set_channel_filter(
spectrum.channel_filter_pass_frequency,
spectrum.channel_filter_stop_frequency
);
}
} /* namespace spectrum */