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jLynx 2023-05-19 08:16:05 +12:00 • committed by GitHub
parent 7aca7ce74d
commit 033c4e9a5b
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120
firmware/baseband/proc_am_audio.cpp
View file

@ -28,91 +28,91 @@
#include <array>
void NarrowbandAMAudio::execute(const buffer_c8_t& buffer) {
if( !configured ) {
return;
}
if (!configured) {
return;
}
const auto decim_0_out = decim_0.execute(buffer, dst_buffer);
const auto decim_1_out = decim_1.execute(decim_0_out, dst_buffer);
const auto decim_0_out = decim_0.execute(buffer, dst_buffer);
const auto decim_1_out = decim_1.execute(decim_0_out, dst_buffer);
channel_spectrum.feed(decim_1_out, channel_filter_low_f, channel_filter_high_f, channel_filter_transition);
channel_spectrum.feed(decim_1_out, channel_filter_low_f, channel_filter_high_f, channel_filter_transition);
const auto decim_2_out = decim_2.execute(decim_1_out, dst_buffer);
const auto channel_out = channel_filter.execute(decim_2_out, dst_buffer);
const auto decim_2_out = decim_2.execute(decim_1_out, dst_buffer);
const auto channel_out = channel_filter.execute(decim_2_out, dst_buffer);
// TODO: Feed channel_stats post-decimation data?
feed_channel_stats(channel_out);
// TODO: Feed channel_stats post-decimation data?
feed_channel_stats(channel_out);
auto audio = demodulate(channel_out);
audio_compressor.execute_in_place(audio);
audio_output.write(audio);
auto audio = demodulate(channel_out);
audio_compressor.execute_in_place(audio);
audio_output.write(audio);
}
buffer_f32_t NarrowbandAMAudio::demodulate(const buffer_c16_t& channel) {
if( modulation_ssb ) {
return demod_ssb.execute(channel, audio_buffer);
} else {
return demod_am.execute(channel, audio_buffer);
}
if (modulation_ssb) {
return demod_ssb.execute(channel, audio_buffer);
} else {
return demod_am.execute(channel, audio_buffer);
}
}
void NarrowbandAMAudio::on_message(const Message* const message) {
switch(message->id) {
case Message::ID::UpdateSpectrum:
case Message::ID::SpectrumStreamingConfig:
channel_spectrum.on_message(message);
break;
switch (message->id) {
case Message::ID::UpdateSpectrum:
case Message::ID::SpectrumStreamingConfig:
channel_spectrum.on_message(message);
break;
case Message::ID::AMConfigure:
configure(*reinterpret_cast<const AMConfigureMessage*>(message));
break;
case Message::ID::AMConfigure:
configure(*reinterpret_cast<const AMConfigureMessage*>(message));
break;
case Message::ID::CaptureConfig:
capture_config(*reinterpret_cast<const CaptureConfigMessage*>(message));
break;
default:
break;
}
case Message::ID::CaptureConfig:
capture_config(*reinterpret_cast<const CaptureConfigMessage*>(message));
break;
default:
break;
}
}
void NarrowbandAMAudio::configure(const AMConfigureMessage& message) {
constexpr size_t decim_0_input_fs = baseband_fs;
constexpr size_t decim_0_output_fs = decim_0_input_fs / decim_0.decimation_factor;
constexpr size_t decim_0_input_fs = baseband_fs;
constexpr size_t decim_0_output_fs = decim_0_input_fs / decim_0.decimation_factor;
constexpr size_t decim_1_input_fs = decim_0_output_fs;
constexpr size_t decim_1_output_fs = decim_1_input_fs / decim_1.decimation_factor;
constexpr size_t decim_1_input_fs = decim_0_output_fs;
constexpr size_t decim_1_output_fs = decim_1_input_fs / decim_1.decimation_factor;
constexpr size_t decim_2_input_fs = decim_1_output_fs;
constexpr size_t decim_2_output_fs = decim_2_input_fs / decim_2_decimation_factor;
constexpr size_t decim_2_input_fs = decim_1_output_fs;
constexpr size_t decim_2_output_fs = decim_2_input_fs / decim_2_decimation_factor;
constexpr size_t channel_filter_input_fs = decim_2_output_fs;
//const size_t channel_filter_output_fs = channel_filter_input_fs / channel_filter_decimation_factor;
constexpr size_t channel_filter_input_fs = decim_2_output_fs;
// const size_t channel_filter_output_fs = channel_filter_input_fs / channel_filter_decimation_factor;
decim_0.configure(message.decim_0_filter.taps, 33554432);
decim_1.configure(message.decim_1_filter.taps, 131072);
decim_2.configure(message.decim_2_filter.taps, decim_2_decimation_factor);
channel_filter.configure(message.channel_filter.taps, channel_filter_decimation_factor);
channel_filter_low_f = message.channel_filter.low_frequency_normalized * channel_filter_input_fs;
channel_filter_high_f = message.channel_filter.high_frequency_normalized * channel_filter_input_fs;
channel_filter_transition = message.channel_filter.transition_normalized * channel_filter_input_fs;
channel_spectrum.set_decimation_factor(1.0f);
modulation_ssb = (message.modulation == AMConfigureMessage::Modulation::SSB);
audio_output.configure(message.audio_hpf_config);
decim_0.configure(message.decim_0_filter.taps, 33554432);
decim_1.configure(message.decim_1_filter.taps, 131072);
decim_2.configure(message.decim_2_filter.taps, decim_2_decimation_factor);
channel_filter.configure(message.channel_filter.taps, channel_filter_decimation_factor);
channel_filter_low_f = message.channel_filter.low_frequency_normalized * channel_filter_input_fs;
channel_filter_high_f = message.channel_filter.high_frequency_normalized * channel_filter_input_fs;
channel_filter_transition = message.channel_filter.transition_normalized * channel_filter_input_fs;
channel_spectrum.set_decimation_factor(1.0f);
modulation_ssb = (message.modulation == AMConfigureMessage::Modulation::SSB);
audio_output.configure(message.audio_hpf_config);
configured = true;
configured = true;
}
void NarrowbandAMAudio::capture_config(const CaptureConfigMessage& message) {
if( message.config ) {
audio_output.set_stream(std::make_unique<StreamInput>(message.config));
} else {
audio_output.set_stream(nullptr);
}
if (message.config) {
audio_output.set_stream(std::make_unique<StreamInput>(message.config));
} else {
audio_output.set_stream(nullptr);
}
}
int main() {
EventDispatcher event_dispatcher { std::make_unique<NarrowbandAMAudio>() };
event_dispatcher.run();
return 0;
EventDispatcher event_dispatcher{std::make_unique<NarrowbandAMAudio>()};
event_dispatcher.run();
return 0;
}