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Fix RSSI for apps using proc_capture (#1420)

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* Fix RSSI for apps using proc_capture
* Update comment
This commit is contained in:
Kyle Reed 2023-08-30 08:13:14 -07:00 committed by GitHub
parent 4774b3097f
commit bd4948602a
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 33 additions and 26 deletions
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28
firmware/application/apps/ui_level.cpp
View File

@ -24,7 +24,9 @@
#include "ui_level.hpp"
#include "ui_fileman.hpp"
#include "ui_freqman.hpp"
#include "baseband_api.hpp"
#include "file.hpp"
#include "oversample.hpp"
using namespace portapack;
using namespace tonekey;
@ -174,48 +176,52 @@ size_t LevelView::change_mode(freqman_index_t new_mod) {
switch (new_mod) {
case AM_MODULATION:
freqman_set_bandwidth_option(new_mod, field_bw);
// bw DSB (0) default
field_bw.set_by_value(0);
baseband::run_image(portapack::spi_flash::image_tag_am_audio);
receiver_model.set_modulation(ReceiverModel::Mode::AMAudio);
receiver_model.set_am_configuration(field_bw.selected_index_value());
field_bw.on_change = [this](size_t, OptionsField::value_t n) { receiver_model.set_am_configuration(n); };
// bw DSB (0) default
field_bw.set_by_value(0);
text_ctcss.set(" ");
break;
case NFM_MODULATION:
freqman_set_bandwidth_option(new_mod, field_bw);
// bw 16k (2) default
field_bw.set_by_value(2);
baseband::run_image(portapack::spi_flash::image_tag_nfm_audio);
receiver_model.set_modulation(ReceiverModel::Mode::NarrowbandFMAudio);
receiver_model.set_nbfm_configuration(field_bw.selected_index_value());
field_bw.on_change = [this](size_t, OptionsField::value_t n) { receiver_model.set_nbfm_configuration(n); };
// bw 16k (2) default
field_bw.set_by_value(2);
break;
case WFM_MODULATION:
freqman_set_bandwidth_option(new_mod, field_bw);
// bw 200k (0) only/default
field_bw.set_by_value(0);
baseband::run_image(portapack::spi_flash::image_tag_wfm_audio);
receiver_model.set_modulation(ReceiverModel::Mode::WidebandFMAudio);
receiver_model.set_wfm_configuration(field_bw.selected_index_value());
field_bw.on_change = [this](size_t, OptionsField::value_t n) { receiver_model.set_wfm_configuration(n); };
// bw 200k (0) only/default
field_bw.set_by_value(0);
text_ctcss.set(" ");
break;
case SPEC_MODULATION:
freqman_set_bandwidth_option(new_mod, field_bw);
baseband::run_image(portapack::spi_flash::image_tag_capture);
receiver_model.set_modulation(ReceiverModel::Mode::Capture);
field_bw.set_by_value(0);
field_bw.on_change = [this](size_t, OptionsField::value_t sampling_rate) {
auto anti_alias_baseband_bandwidth_filter = filter_bandwidth_for_sampling_rate(sampling_rate);
receiver_model.set_sampling_rate(sampling_rate);
receiver_model.set_baseband_bandwidth(anti_alias_baseband_bandwidth_filter);
// Baseband needs to know the desired sampling and oversampling rates.
baseband::set_sample_rate(sampling_rate, get_oversample_rate(sampling_rate));
// The radio needs to know the effective sampling rate.
auto actual_sampling_rate = get_actual_sample_rate(sampling_rate);
receiver_model.set_sampling_rate(actual_sampling_rate);
receiver_model.set_baseband_bandwidth(filter_bandwidth_for_sampling_rate(actual_sampling_rate));
};
field_bw.set_by_value(0);
default:
break;
}
if (new_mod != SPEC_MODULATION) {
// reset receiver model to fix bug when going from SPEC to audio, the sound is distorded
// Reset receiver model to fix bug when going from SPEC to audio, the sound is distorted.
receiver_model.set_sampling_rate(3072000);
receiver_model.set_baseband_bandwidth(1750000);
}

27
firmware/application/apps/ui_recon.cpp
View File

@ -1124,48 +1124,50 @@ size_t ReconView::change_mode(freqman_index_t new_mod) {
switch (new_mod) {
case AM_MODULATION:
freqman_set_bandwidth_option(new_mod, field_bw);
// bw DSB (0) default
field_bw.set_by_value(0);
baseband::run_image(portapack::spi_flash::image_tag_am_audio);
receiver_model.set_modulation(ReceiverModel::Mode::AMAudio);
receiver_model.set_am_configuration(field_bw.selected_index_value());
field_bw.on_change = [this](size_t, OptionsField::value_t n) { receiver_model.set_am_configuration(n); };
// bw DSB (0) default
field_bw.set_by_value(0);
text_ctcss.set(" ");
recording_sampling_rate = 12000;
break;
case NFM_MODULATION:
freqman_set_bandwidth_option(new_mod, field_bw);
// bw 16k (2) default
field_bw.set_by_value(2);
baseband::run_image(portapack::spi_flash::image_tag_nfm_audio);
receiver_model.set_modulation(ReceiverModel::Mode::NarrowbandFMAudio);
receiver_model.set_nbfm_configuration(field_bw.selected_index_value());
field_bw.on_change = [this](size_t, OptionsField::value_t n) { receiver_model.set_nbfm_configuration(n); };
// bw 16k (2) default
field_bw.set_by_value(2);
recording_sampling_rate = 24000;
break;
case WFM_MODULATION:
freqman_set_bandwidth_option(new_mod, field_bw);
// bw 200k (0) default
field_bw.set_by_value(0);
baseband::run_image(portapack::spi_flash::image_tag_wfm_audio);
receiver_model.set_modulation(ReceiverModel::Mode::WidebandFMAudio);
receiver_model.set_wfm_configuration(field_bw.selected_index_value());
field_bw.on_change = [this](size_t, OptionsField::value_t n) { receiver_model.set_wfm_configuration(n); };
// bw 200k (0) default
field_bw.set_by_value(0);
text_ctcss.set(" ");
recording_sampling_rate = 48000;
break;
case SPEC_MODULATION:
freqman_set_bandwidth_option(new_mod, field_bw);
// bw 12k5 (0) default
field_bw.set_by_value(0);
baseband::run_image(portapack::spi_flash::image_tag_capture);
receiver_model.set_modulation(ReceiverModel::Mode::Capture);
field_bw.on_change = [this](size_t, OptionsField::value_t sampling_rate) {
auto anti_alias_baseband_bandwidth_filter = filter_bandwidth_for_sampling_rate(sampling_rate);
record_view->set_sampling_rate(sampling_rate);
receiver_model.set_sampling_rate(sampling_rate);
receiver_model.set_baseband_bandwidth(anti_alias_baseband_bandwidth_filter);
// record_view determines the correct oversampling to apply and returns the actual sample rate.
auto actual_sampling_rate = record_view->set_sampling_rate(sampling_rate);
// The radio needs to know the effective sampling rate.
receiver_model.set_sampling_rate(actual_sampling_rate);
receiver_model.set_baseband_bandwidth(filter_bandwidth_for_sampling_rate(actual_sampling_rate));
};
// bw 12k5 (0) default
field_bw.set_by_value(0);
text_ctcss.set(" ");
break;
default:
@ -1173,7 +1175,6 @@ size_t ReconView::change_mode(freqman_index_t new_mod) {
}
if (new_mod != SPEC_MODULATION) {
button_audio_app.set_text("AUDIO");
// TODO: Oversampling.
record_view->set_sampling_rate(recording_sampling_rate);
// reset receiver model to fix bug when going from SPEC to audio, the sound is distorted
receiver_model.set_sampling_rate(3072000);

4
firmware/application/ui/ui_spectrum.cpp
View File

@ -380,10 +380,10 @@ void WaterfallView::on_audio_spectrum() {
} /* namespace spectrum */
// TODO: Comments below refer to a fixed oversample rate (8x), cleanup.
uint32_t filter_bandwidth_for_sampling_rate(int32_t sampling_rate) {
switch (sampling_rate) { // Use the var fs (sampling_rate) to set up BPF aprox < fs_max / 2 by Nyquist theorem.
case 0 ... 3'500'000: // BW Captured range (0 <= 250kHz max) fs = 8x250k = 2000, 16x150k = 2400, 32x100k = 3200, 32x75k = 2400, (future 64x40 khz = 2400)
case 0 ... 3'500'000: // BW Captured range BW (<=250K) : fs = 8x250k = 2000k, 16x150k = 2400k, 16x100k=1600k,
// 32x75k = 2400k, 32x50k=1600, 32x32k=1024, 64x25k = 1600k, 64x16k = 1024k, 64x12k5 = 800k.
return 1'750'000; // Minimum BPF MAX2837 for all those lower BW options.
case 4'000'000 ... 7'000'000: // OVS x8, BW capture range (500k...750kHz max) fs_max = 8 x 750k = 6Mhz