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Transmit DisplayFrameSync message, handle in WaterfallSpectrum.

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More kludginess, especially around initialization and timing. But it addresses the flickering lines of pixels at the bottom of the waterfall scroll area!
This commit is contained in:
Jared Boone
2016-01-06 11:36:57 -08:00
parent aaa1bc3a09
commit ba33cc737d
4 changed files with 23 additions and 5 deletions
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firmware/application/ui_spectrum.cpp
+11 -4
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@@ -240,16 +240,23 @@ void WaterfallWidget::on_show() {
context().message_map().register_handler(Message::ID::FIFONotify,
[this](const Message* const p) {
const auto message = reinterpret_cast<const FIFONotifyMessage*>(p);
auto fifo = reinterpret_cast<ChannelSpectrumFIFO*>(message->fifo);
ChannelSpectrum channel_spectrum;
if( fifo->out(channel_spectrum) ) {
this->on_channel_spectrum(channel_spectrum);
this->fifo = reinterpret_cast<ChannelSpectrumFIFO*>(message->fifo);
}
);
context().message_map().register_handler(Message::ID::DisplayFrameSync,
[this](const Message* const p) {
if( this->fifo ) {
ChannelSpectrum channel_spectrum;
while( fifo->out(channel_spectrum) ) {
this->on_channel_spectrum(channel_spectrum);
}
}
}
);
}
void WaterfallWidget::on_hide() {
context().message_map().unregister_handler(Message::ID::DisplayFrameSync);
context().message_map().unregister_handler(Message::ID::FIFONotify);
}