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https://github.com/eried/portapack-mayhem.git
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Implement AMConfigureMessage from M0 to M4.
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f2f7032615
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@ -44,6 +44,10 @@ AnalogAudioModel::AnalogAudioModel(ReceiverModel::Mode mode) {
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configure_wfm();
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break;
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case ReceiverModel::Mode::AMAudio:
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configure_am();
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break;
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default:
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break;
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}
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@ -69,3 +73,12 @@ void AnalogAudioModel::configure_wfm() {
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};
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shared_memory.baseband_queue.push(message);
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}
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void AnalogAudioModel::configure_am() {
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const AMConfigureMessage message {
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taps_6k0_decim_0,
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taps_6k0_decim_1,
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taps_6k0_channel,
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};
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shared_memory.baseband_queue.push(message);
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}
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@ -32,6 +32,7 @@ public:
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private:
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void configure_nbfm();
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void configure_wfm();
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void configure_am();
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};
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namespace ui {
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@ -21,31 +21,11 @@
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#include "proc_am_audio.hpp"
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NarrowbandAMAudio::NarrowbandAMAudio() {
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constexpr size_t baseband_fs = 3072000;
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constexpr size_t decim_0_input_fs = baseband_fs;
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constexpr size_t decim_0_decimation_factor = 8;
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constexpr size_t decim_0_output_fs = decim_0_input_fs / decim_0_decimation_factor;
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constexpr size_t decim_1_input_fs = decim_0_output_fs;
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constexpr size_t decim_1_decimation_factor = 8;
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constexpr size_t decim_1_output_fs = decim_1_input_fs / decim_1_decimation_factor;
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constexpr size_t channel_filter_input_fs = decim_1_output_fs;
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constexpr size_t channel_filter_decimation_factor = 1;
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constexpr size_t channel_filter_output_fs = channel_filter_input_fs / channel_filter_decimation_factor;
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decim_0.configure(taps_6k0_decim_0.taps, 33554432);
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decim_1.configure(taps_6k0_decim_1.taps, 131072);
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channel_filter.configure(taps_6k0_channel.taps, channel_filter_decimation_factor);
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channel_filter_pass_f = taps_6k0_channel.pass_frequency_normalized * channel_filter_input_fs;
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channel_filter_stop_f = taps_6k0_channel.stop_frequency_normalized * channel_filter_input_fs;
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channel_spectrum.set_decimation_factor(std::floor((channel_filter_output_fs / 2) / ((channel_filter_pass_f + channel_filter_stop_f) / 2)));
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}
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void NarrowbandAMAudio::execute(const buffer_c8_t& buffer) {
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if( !configured ) {
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return;
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}
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std::array<complex16_t, 512> dst;
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const buffer_c16_t dst_buffer {
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dst.data(),
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@ -73,7 +53,41 @@ void NarrowbandAMAudio::execute(const buffer_c8_t& buffer) {
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}
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void NarrowbandAMAudio::on_message(const Message* const message) {
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if( message->id == Message::ID::UpdateSpectrum ) {
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switch(message->id) {
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case Message::ID::UpdateSpectrum:
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channel_spectrum.update();
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break;
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case Message::ID::AMConfigure:
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configure(*reinterpret_cast<const AMConfigureMessage*>(message));
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break;
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default:
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break;
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}
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}
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void NarrowbandAMAudio::configure(const AMConfigureMessage& message) {
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constexpr size_t baseband_fs = 3072000;
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constexpr size_t decim_0_input_fs = baseband_fs;
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constexpr size_t decim_0_decimation_factor = 8;
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constexpr size_t decim_0_output_fs = decim_0_input_fs / decim_0_decimation_factor;
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constexpr size_t decim_1_input_fs = decim_0_output_fs;
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constexpr size_t decim_1_decimation_factor = 8;
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constexpr size_t decim_1_output_fs = decim_1_input_fs / decim_1_decimation_factor;
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constexpr size_t channel_filter_input_fs = decim_1_output_fs;
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constexpr size_t channel_filter_decimation_factor = 1;
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constexpr size_t channel_filter_output_fs = channel_filter_input_fs / channel_filter_decimation_factor;
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decim_0.configure(message.decim_0_filter.taps, 33554432);
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decim_1.configure(message.decim_1_filter.taps, 131072);
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channel_filter.configure(message.channel_filter.taps, channel_filter_decimation_factor);
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channel_filter_pass_f = message.channel_filter.pass_frequency_normalized * channel_filter_input_fs;
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channel_filter_stop_f = message.channel_filter.stop_frequency_normalized * channel_filter_input_fs;
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channel_spectrum.set_decimation_factor(std::floor((channel_filter_output_fs / 2) / ((channel_filter_pass_f + channel_filter_stop_f) / 2)));
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configured = true;
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}
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@ -38,8 +38,6 @@
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class NarrowbandAMAudio : public BasebandProcessor {
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public:
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NarrowbandAMAudio();
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void execute(const buffer_c8_t& buffer) override;
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void on_message(const Message* const message) override;
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@ -56,6 +54,9 @@ private:
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IIRBiquadFilter audio_hpf { audio_hpf_300hz_config };
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SpectrumCollector channel_spectrum;
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bool configured { false };
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void configure(const AMConfigureMessage& message);
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};
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#endif/*__PROC_AM_AUDIO_H__*/
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@ -54,6 +54,7 @@ public:
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UpdateSpectrum = 10,
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NBFMConfigure = 11,
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WFMConfigure = 12,
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AMConfigure = 13,
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MAX
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};
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@ -314,6 +315,24 @@ public:
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const size_t deviation;
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};
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class AMConfigureMessage : public Message {
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public:
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constexpr AMConfigureMessage(
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const fir_taps_real<24>& decim_0_filter,
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const fir_taps_real<32>& decim_1_filter,
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const fir_taps_real<32>& channel_filter
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) : Message { ID::AMConfigure },
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decim_0_filter { decim_0_filter },
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decim_1_filter { decim_1_filter },
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channel_filter { channel_filter }
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{
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}
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const fir_taps_real<24> decim_0_filter;
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const fir_taps_real<32> decim_1_filter;
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const fir_taps_real<32> channel_filter;
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};
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class MessageHandlerMap {
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public:
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using MessageHandler = std::function<void(Message* const p)>;
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