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Partial refactor of channel filter frequency code.

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Move channel filter frequency determination to baseband side, where the filtering is determined and performed.
Add useful accessor methods to BlockDecimator.
This commit is contained in:
Jared Boone 2015-07-17 23:16:09 -07:00
parent ffc50785b7
commit 6f2cbd1ac5
4 changed files with 34 additions and 19 deletions
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12
firmware/application/ui_spectrum.hpp
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@ -226,17 +226,9 @@ private:
void on_channel_spectrum(const ChannelSpectrum& spectrum) {
waterfall_view.on_channel_spectrum(spectrum);
frequency_scale.set_spectrum_sampling_rate(spectrum.sampling_rate, spectrum.db_count);
// TODO: Set with actual information.
//taps_64_lp_042_078_tfilter
// TODO: Pass these details, don't hard-code them.
// Channel spectrum is channel filter input, decimated by 2 by the
// channel filter, then by 4 by the channel spectrum decimator.
constexpr size_t channel_spectrum_decimation = 2 * 4;
// TODO: Rename spectrum.bandwidth to spectrum.sampling_rate so this makes sense. */
frequency_scale.set_channel_filter(
spectrum.sampling_rate * channel_spectrum_decimation * 42 / 1000,
spectrum.sampling_rate * channel_spectrum_decimation * 78 / 1000
spectrum.channel_filter_pass_frequency,
spectrum.channel_filter_stop_frequency
);
}
};