mirror of
https://github.com/eried/portapack-mayhem.git
synced 2025-08-10 23:50:21 -04:00
3MHz-wide fast close call works :) >3MHz doesn't work anymore :(
This commit is contained in:
furrtek
parent
e959d9a8ec
commit
7a90eab407
8 changed files with 96 additions and 65 deletions
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@ -32,7 +32,7 @@
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#include "portapack.hpp"
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#include "radio.hpp"
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#include "baseband_api.hpp"
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#include "string_format.hpp" // DEBUG
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#include "string_format.hpp"
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#include "hackrf_hal.hpp"
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@ -55,17 +55,21 @@ CloseCallView::~CloseCallView() {
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void CloseCallView::do_detection() {
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uint8_t xmax = 0;
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uint16_t imax = 0, c;
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uint8_t threshold;
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int64_t imax = 0;
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uint16_t iraw = 0, c;
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uint8_t power;
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rf::Frequency freq_low, freq_high;
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mean /= (CC_BIN_NB * (slices_max + 1));
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mean /= (CC_BIN_NB * slices_max);
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for (c = 0; c < (slices_max + 1); c++) {
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threshold = slicemax_db[c];
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if (threshold >= min_threshold) {
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if (((uint8_t)(threshold - min_threshold) > mean) && (threshold > xmax)) {
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xmax = threshold;
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// Find max value over threshold from all slices
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for (c = 0; c < slices_max; c++) {
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power = slicemax_db[c];
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if (power >= min_threshold) {
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if ((power - min_threshold >= mean) && (power > xmax)) {
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xmax = power;
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imax = slicemax_idx[c] + (c * CC_BIN_NB);
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iraw = slicemax_idx[c];
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}
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}
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}
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@ -84,23 +88,45 @@ void CloseCallView::do_detection() {
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// Lock / release
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if ((imax >= last_channel - 2) && (imax <= last_channel + 2) && imax) {
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if (detect_counter >= (5 / (slices_max + 1))) {
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if (imax != locked_frequency) {
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//char finalstr[24] = {0};
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// Staying around the same frequency (+/- 25.4kHz)
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if (detect_counter >= (5 / slices_max)) {
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if ((imax != locked_imax) || (!locked)) {
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char finalstr[29] = {0};
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// 236 steps = 5MHz
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// Resolution = 21.2kHz
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resolved_frequency = slice_start + (CC_BIN_WIDTH * (imax - 118));
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//auto fstr = to_string_dec_int(resolved_frequency);
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// 236 steps = 3MHz
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// Resolution = 12.7kHz
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if (locked)
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resolved_frequency = (resolved_frequency + slice_start + (CC_BIN_WIDTH * (imax - 118))) / 2; // Mean
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else
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resolved_frequency = slice_start + (CC_BIN_WIDTH * (imax - 118)); // Init
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text_debug.set(to_string_dec_int(CC_BIN_WIDTH * (imax - 118))); //imax
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// Correct according to DC spike mask width (4 for now)
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if (iraw > 118)
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resolved_frequency -= (2 * CC_BIN_WIDTH);
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else
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resolved_frequency += (2 * CC_BIN_WIDTH);
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//strcat(finalstr, "Locked: ");
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//strcat(finalstr, fstr.c_str());
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text_infos.set("Locked !");
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big_display.set_style(&style_locked);
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big_display.set(resolved_frequency);
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// Approximation/error display
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freq_low = (resolved_frequency - 6355) / 1000;
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freq_high = (resolved_frequency + 6355) / 1000;
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strcat(finalstr, "~12.7kHz ");
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strcat(finalstr, to_string_dec_uint(freq_low / 1000).c_str());
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strcat(finalstr, ".");
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strcat(finalstr, to_string_dec_uint(freq_low % 1000).c_str());
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strcat(finalstr, "/");
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strcat(finalstr, to_string_dec_uint(freq_high / 1000).c_str());
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strcat(finalstr, ".");
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strcat(finalstr, to_string_dec_uint(freq_high % 1000).c_str());
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text_precision.set(finalstr);
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locked = true;
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locked_frequency = imax;
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locked_imax = imax;
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}
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release_counter = 0;
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} else {
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@ -108,8 +134,8 @@ void CloseCallView::do_detection() {
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}
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} else {
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detect_counter = 0;
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if (locked == true) {
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if (release_counter == 8) {
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if (locked) {
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if (release_counter == 6) {
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locked = false;
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text_infos.set("Lost ");
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big_display.set_style(&style_grey);
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@ -124,7 +150,7 @@ void CloseCallView::do_detection() {
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scan_counter++;
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portapack::display.fill_rectangle({last_pos, 90, 1, 13}, Color::black());
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last_pos = (ui::Coord)(imax % 240);
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last_pos = (ui::Coord)(iraw);
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portapack::display.fill_rectangle({last_pos, 90, 1, 13}, Color::red());
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}
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@ -152,27 +178,28 @@ void CloseCallView::on_channel_spectrum(const ChannelSpectrum& spectrum) {
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pixel_row
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);
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// Find max for this slice
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// Find max for this slice:
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// Check if left of slice needs to be trimmed (masked)
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if (slices_counter == 0)
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i = slice_trim;
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else
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i = 0;
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for ( ; i < 118; i++) {
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threshold = spectrum.db[256 - 120 + i];
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threshold = spectrum.db[256 - 120 + i]; // 128+8 = 136 ~254
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if (threshold > xmax) {
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xmax = threshold;
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imax = i;
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}
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}
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// Check if right of slice needs to be trimmed (masked)
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if (slices_counter == slices_max)
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if (slices_counter == (slices_max - 1))
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m = 240 - slice_trim;
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else
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m = 240;
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for (i = 122 ; i < m; i++) {
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threshold = spectrum.db[i - 120];
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if (threshold > xmax) {
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threshold = spectrum.db[i - 120]; // 240-120 = 120 -> +8 = 128
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if (threshold > xmax) { // (0~2) 2~120 (120~136) 136~254 (254~256)
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xmax = threshold;
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imax = i - 4;
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}
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@ -188,7 +215,7 @@ void CloseCallView::on_channel_spectrum(const ChannelSpectrum& spectrum) {
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// Slice update
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if (slicing) {
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if (slices_counter >= slices_max) {
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if (slices_counter >= (slices_max - 1)) {
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do_detection();
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mean = 0;
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slices_counter = 0;
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@ -240,9 +267,12 @@ void CloseCallView::on_range_changed() {
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rf::Frequency resolved_frequency;
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int64_t offset;
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// DEBUG
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/*
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f_max = field_frequency_max.value();
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f_min = field_frequency_min.value();
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scan_span = abs(f_max - f_min);
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if (scan_span > CC_SLICE_WIDTH) {
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// ex: 100~115 (15): 102.5(97.5~107.5) -> 112.5(107.5~117.5) = 2.5 lost left and right
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slices_max = (scan_span + CC_SLICE_WIDTH - 1) / CC_SLICE_WIDTH;
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@ -250,17 +280,6 @@ void CloseCallView::on_range_changed() {
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offset = ((scan_span - slices_span) / 2) + (CC_SLICE_WIDTH / 2);
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slice_start = std::min(f_min, f_max) + offset;
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slice_trim = 0;
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/*
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* ----||||---- 4M -> 2*3M = 6
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* AAABBB 4-6 = -2 -> -2/2 = -1 -> -1+1.5 = +0.5
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*
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* ----1111222233334444----
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* AAAAaaaaAAAAbbbbBBBBbbbb
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*
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*/
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slices_max--; // For slices_counter
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slicing = true;
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// Todo: trims
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@ -274,19 +293,27 @@ void CloseCallView::on_range_changed() {
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resolved_frequency /= CC_BIN_WIDTH; // Convert to bin span
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slice_trim = resolved_frequency;
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portapack::display.fill_rectangle({0, 97, 240, 4}, Color::black());
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portapack::display.fill_rectangle({0, 97, slice_trim, 4}, Color::orange());
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portapack::display.fill_rectangle({240 - slice_trim, 97, slice_trim, 4}, Color::orange());
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set_dirty();
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slices_max = 0;
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slices_max = 1;
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slices_counter = 0;
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slicing = false;
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}
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}*/
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//text_debug.set(to_string_dec_uint(slice_start));
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text_slices.set(to_string_dec_int(slices_max + 1));
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f_min = field_frequency_min.value();
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scan_span = 3000000;
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slice_frequency = (f_min + 1500000);
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slice_start = slice_frequency;
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receiver_model.set_tuning_frequency(slice_frequency);
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slice_trim = 0;
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slices_max = 1;
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slices_counter = 0;
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slicing = false;
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field_frequency_max.set_value(f_min + 3000000);
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text_slices.set(to_string_dec_int(slices_max));
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slices_counter = 0;
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}
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@ -299,6 +326,7 @@ void CloseCallView::on_vga_changed(int32_t v_db) {
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}
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void CloseCallView::on_tick_second() {
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// Update scan rate indication
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text_rate.set(to_string_dec_uint(scan_counter, 3));
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scan_counter = 0;
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}
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@ -320,6 +348,7 @@ CloseCallView::CloseCallView(
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&text_rate,
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&text_mhz,
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&text_infos,
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&text_precision,
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&text_debug,
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&big_display,
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&button_exit
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@ -366,13 +395,15 @@ CloseCallView::CloseCallView(
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text_mhz.set_style(&style_grey);
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big_display.set_style(&style_grey);
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receiver_model.set_tuning_frequency(467000000);
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field_threshold.set_value(80);
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field_threshold.on_change = [this](int32_t v) {
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min_threshold = v;
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};
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field_frequency_min.set_value(receiver_model.tuning_frequency());
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field_frequency_min.set_step(200000);
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field_frequency_min.set_step(100000);
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field_frequency_min.on_change = [this](rf::Frequency f) {
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(void) f;
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this->on_range_changed();
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@ -385,9 +416,11 @@ CloseCallView::CloseCallView(
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};
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};
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field_frequency_max.set_value(receiver_model.tuning_frequency() + 2000000);
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field_frequency_max.set_focusable(false); // DEBUG
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field_frequency_max.set_value(receiver_model.tuning_frequency() + 3000000);
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field_frequency_max.set_step(100000);
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field_frequency_max.on_change = [this](rf::Frequency f) {
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/*field_frequency_max.on_change = [this](rf::Frequency f) {
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(void) f;
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this->on_range_changed();
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};
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@ -397,7 +430,7 @@ CloseCallView::CloseCallView(
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this->on_range_changed();
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this->field_frequency_max.set_value(f);
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};
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};
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};*/
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field_lna.set_value(receiver_model.lna());
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field_lna.on_change = [this](int32_t v) {
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@ -419,7 +452,6 @@ CloseCallView::CloseCallView(
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this->on_tick_second();
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};
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//audio::output::mute();
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receiver_model.set_baseband_configuration({
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.mode = toUType(ReceiverModel::Mode::CloseCall),
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.sampling_rate = CC_SLICE_WIDTH,
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@ -427,8 +459,6 @@ CloseCallView::CloseCallView(
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});
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receiver_model.set_baseband_bandwidth(CC_SLICE_WIDTH);
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receiver_model.enable();
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//audio::output::unmute();
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}
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} /* namespace ui */
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