mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-14 04:04:34 +00:00
574 lines
22 KiB
C++
574 lines
22 KiB
C++
/*
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* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
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* Copyright (C) 2020 euquiq
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* Copyright (C) 2023 gullradriel, Nilorea Studio Inc.
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "ui_looking_glass_app.hpp"
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#include "convert.hpp"
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#include "file_reader.hpp"
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#include "string_format.hpp"
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using namespace portapack;
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namespace ui {
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void GlassView::focus() {
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range_presets.focus();
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}
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GlassView::~GlassView() {
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receiver_model.set_sampling_rate(3072000); // Just a hack to avoid hanging other apps
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receiver_model.disable();
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baseband::shutdown();
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}
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void GlassView::get_max_power(const ChannelSpectrum& spectrum, uint8_t bin, uint8_t& max_power) {
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if (mode == LOOKING_GLASS_SINGLEPASS) {
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// <20MHz spectrum mode
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if (bin < 120) {
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if (spectrum.db[SPEC_NB_BINS - 120 + bin] > max_power)
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max_power = spectrum.db[SPEC_NB_BINS - 120 + bin];
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} else {
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if (spectrum.db[bin - 120] > max_power)
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max_power = spectrum.db[bin - 120];
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}
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} else {
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// FAST or SLOW mode
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if (bin < 120) {
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if (spectrum.db[134 + bin] > max_power)
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max_power = spectrum.db[134 + bin];
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} else {
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if (spectrum.db[bin - 118] > max_power)
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max_power = spectrum.db[bin - 118];
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}
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}
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}
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rf::Frequency GlassView::get_freq_from_bin_pos(uint8_t pos) {
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rf::Frequency freq_at_pos = 0;
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if (mode == LOOKING_GLASS_SINGLEPASS) {
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// starting from the middle, minus 8 ignored bin on each side. Since pos is [-120,120] after the (pos - 120), it's divided by SCREEN_W(240)/2 => 120
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freq_at_pos = f_center_ini + ((pos - 120) * ((looking_glass_range - ((16 * looking_glass_range) / SPEC_NB_BINS)) / 2)) / (SCREEN_W / 2);
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} else
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freq_at_pos = f_min + (2 * offset * each_bin_size) + (pos * looking_glass_range) / SCREEN_W;
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return freq_at_pos;
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}
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void GlassView::on_marker_change() {
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marker = get_freq_from_bin_pos(marker_pixel_index);
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button_marker.set_text(to_string_short_freq(marker));
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PlotMarker(marker_pixel_index); // Refresh marker on screen
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}
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void GlassView::retune() {
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// Start a new sweep.
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// Tune rx for this new slice directly because the model
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// saves to persistent memory which is slower.
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radio::set_tuning_frequency(f_center);
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chThdSleepMilliseconds(5); // stabilize freq
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baseband::spectrum_streaming_start(); // Do the RX
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}
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void GlassView::on_lna_changed(int32_t v_db) {
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receiver_model.set_lna(v_db);
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}
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void GlassView::on_vga_changed(int32_t v_db) {
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receiver_model.set_vga(v_db);
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}
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void GlassView::reset_live_view(bool clear_screen) {
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max_freq_hold = 0;
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max_freq_power = -1000;
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if (clear_screen) {
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// only clear screen in peak mode
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if (live_frequency_view == 2) {
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display.fill_rectangle({{0, 108 + 16}, {SCREEN_W, 320 - (108 + 16)}}, {0, 0, 0});
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}
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}
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}
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void GlassView::add_spectrum_pixel(uint8_t power) {
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spectrum_row[pixel_index] = spectrum_rgb3_lut[power]; // row of colors
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spectrum_data[pixel_index] = (live_frequency_integrate * spectrum_data[pixel_index] + power) / (live_frequency_integrate + 1); // smoothing
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pixel_index++;
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if (pixel_index == SCREEN_W) // got an entire waterfall line
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{
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if (live_frequency_view > 0) {
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constexpr int rssi_sample_range = SPEC_NB_BINS;
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constexpr float rssi_voltage_min = 0.4;
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constexpr float rssi_voltage_max = 2.2;
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constexpr float adc_voltage_max = 3.3;
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constexpr int raw_min = rssi_sample_range * rssi_voltage_min / adc_voltage_max;
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constexpr int raw_max = rssi_sample_range * rssi_voltage_max / adc_voltage_max;
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constexpr int raw_delta = raw_max - raw_min;
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const range_t<int> y_max_range{0, 320 - (108 + 16)};
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// drawing and keeping track of max freq
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for (uint16_t xpos = 0; xpos < SCREEN_W; xpos++) {
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// save max powerwull freq
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if (spectrum_data[xpos] > max_freq_power) {
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max_freq_power = spectrum_data[xpos];
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max_freq_hold = get_freq_from_bin_pos(xpos);
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}
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int16_t point = y_max_range.clip(((spectrum_data[xpos] - raw_min) * (320 - (108 + 16))) / raw_delta);
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uint8_t color_gradient = (point * 255) / 212;
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// clear if not in peak view
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if (live_frequency_view != 2) {
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display.fill_rectangle({{xpos, 108 + 16}, {1, 320 - point}}, {0, 0, 0});
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}
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display.fill_rectangle({{xpos, 320 - point}, {1, point}}, {color_gradient, 0, uint8_t(255 - color_gradient)});
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}
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if (last_max_freq != max_freq_hold) {
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last_max_freq = max_freq_hold;
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freq_stats.set("MAX HOLD: " + to_string_short_freq(max_freq_hold));
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}
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PlotMarker(marker_pixel_index);
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} else {
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display.draw_pixels({{0, display.scroll(1)}, {SCREEN_W, 1}}, spectrum_row); // new line at top, one less var, speedier
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}
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pixel_index = 0; // Start New cascade line
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}
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}
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bool GlassView::process_bins(uint8_t* powerlevel) {
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bins_Hz_size += each_bin_size; // add pixel to fulfilled bag of Hz
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if (bins_Hz_size >= marker_pixel_step) // new pixel fullfilled
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{
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if (*powerlevel > min_color_power)
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add_spectrum_pixel(*powerlevel); // Pixel will represent max_power
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else
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add_spectrum_pixel(0); // Filtered out, show black
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*powerlevel = 0;
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if (!pixel_index) // Received indication that a waterfall line has been completed
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{
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bins_Hz_size = 0; // Since this is an entire pixel line, we don't carry "Pixels into next bin"
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if (mode != LOOKING_GLASS_SINGLEPASS) {
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f_center = f_center_ini;
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retune();
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} else
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baseband::spectrum_streaming_start();
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return true; // signal a new line
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}
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bins_Hz_size -= marker_pixel_step; // reset bins size, but carrying the eventual excess Hz into next pixel
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}
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return false;
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}
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// Apparently, the spectrum object returns an array of SPEC_NB_BINS (256) bins
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// Each having the radio signal power for it's corresponding frequency slot
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void GlassView::on_channel_spectrum(const ChannelSpectrum& spectrum) {
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baseband::spectrum_streaming_stop();
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// Convert bins of this spectrum slice into a representative max_power and when enough, into pixels
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// we actually need SCREEN_W (240) of those bins
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for (bin = 0; bin < bin_length; bin++) {
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get_max_power(spectrum, bin, max_power);
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// process dc spike if enable
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if (bin == 119) {
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uint8_t next_max_power = 0;
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get_max_power(spectrum, bin + 1, next_max_power);
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for (uint8_t it = 0; it < ignore_dc; it++) {
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uint8_t med_max_power = (max_power + next_max_power) / 2; // due to the way process_bins works we have to keep resetting the color
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if (process_bins(&med_max_power) == true)
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return; // new line signaled, return
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}
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}
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// process actual bin
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if (process_bins(&max_power) == true)
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return; // new line signaled, return
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}
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if (mode != LOOKING_GLASS_SINGLEPASS) {
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f_center += looking_glass_step;
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retune();
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} else
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baseband::spectrum_streaming_start();
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}
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void GlassView::on_hide() {
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baseband::spectrum_streaming_stop();
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display.scroll_disable();
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}
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void GlassView::on_show() {
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display.scroll_set_area(109, 319); // Restart scroll on the correct coordinates
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baseband::spectrum_streaming_start();
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}
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void GlassView::on_range_changed() {
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reset_live_view(true);
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f_min = field_frequency_min.value();
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f_max = field_frequency_max.value();
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f_min = f_min * MHZ_DIV; // Transpose into full frequency realm
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f_max = f_max * MHZ_DIV;
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looking_glass_range = f_max - f_min;
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if (looking_glass_range <= LOOKING_GLASS_SLICE_WIDTH_MAX) {
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// if the view is done in one pass, show it like in analog_audio_app
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mode = LOOKING_GLASS_SINGLEPASS;
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offset = 2;
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bin_length = SCREEN_W;
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ignore_dc = 0;
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looking_glass_bandwidth = looking_glass_range;
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looking_glass_sampling_rate = looking_glass_bandwidth;
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each_bin_size = looking_glass_bandwidth / SCREEN_W;
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looking_glass_step = looking_glass_bandwidth;
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f_center_ini = f_min + (looking_glass_bandwidth / 2); // Initial center frequency for sweep
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portapack::display.fill_rectangle({17 * 8, 4 * 16, 2 * 8, 16}, Color::black()); // Clear old marker and whole marker rectangle btw
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} else {
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// view is made in multiple pass, use original bin picking
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mode = scan_type.selected_index_value();
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looking_glass_bandwidth = LOOKING_GLASS_SLICE_WIDTH_MAX;
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looking_glass_sampling_rate = LOOKING_GLASS_SLICE_WIDTH_MAX;
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each_bin_size = LOOKING_GLASS_SLICE_WIDTH_MAX / SPEC_NB_BINS;
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if (mode == LOOKING_GLASS_FASTSCAN) {
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offset = 2;
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ignore_dc = 4;
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bin_length = SCREEN_W;
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} else { // if( mode == LOOKING_GLASS_SLOWSCAN )
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offset = 2;
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bin_length = 80;
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ignore_dc = 0;
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}
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looking_glass_step = (bin_length + ignore_dc) * each_bin_size;
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f_center_ini = f_min - (offset * each_bin_size) + (looking_glass_bandwidth / 2); // Initial center frequency for sweep
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}
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search_span = looking_glass_range / MHZ_DIV;
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marker_pixel_step = looking_glass_range / SCREEN_W; // Each pixel value in Hz
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//
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button_range.set_text(" "); // clear up to 6 chars
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if (locked_range) {
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button_range.set_text(">" + to_string_dec_uint(search_span) + "<");
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} else {
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button_range.set_text(" " + to_string_dec_uint(search_span) + " ");
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}
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pixel_index = 0; // reset pixel counter
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max_power = 0; // reset save max power level
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bins_Hz_size = 0; // reset amount of Hz filled up by pixels
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//
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on_marker_change();
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// set the sample rate and bandwidth
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receiver_model.set_sampling_rate(looking_glass_sampling_rate);
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receiver_model.set_baseband_bandwidth(looking_glass_bandwidth);
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receiver_model.set_squelch_level(0);
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f_center = f_center_ini; // Reset sweep into first slice
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baseband::set_spectrum(looking_glass_bandwidth, field_trigger.value());
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receiver_model.set_target_frequency(f_center); // tune rx for this slice
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}
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void GlassView::PlotMarker(uint8_t pos) {
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uint8_t shift_y = 0;
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if (live_frequency_view > 0) // plot one line down when in live view
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{
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shift_y = 16;
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}
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portapack::display.fill_rectangle({0, 100 + shift_y, SCREEN_W, 8}, Color::black()); // Clear old marker and whole marker rectangle btw
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portapack::display.fill_rectangle({pos - 2, 100 + shift_y, 5, 3}, Color::red()); // Red marker top
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portapack::display.fill_rectangle({pos - 1, 103 + shift_y, 3, 3}, Color::red()); // Red marker middle
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portapack::display.fill_rectangle({pos, 106 + shift_y, 1, 2}, Color::red()); // Red marker bottom
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}
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void GlassView::clip_min(int32_t v) {
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int32_t min_size = steps;
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if (locked_range)
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min_size = search_span;
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if (min_size < 2)
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min_size = 2;
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if (v > 7200 - min_size) {
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v = 7200 - min_size;
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}
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if (v > (field_frequency_max.value() - min_size))
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field_frequency_max.set_value(v + min_size);
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if (locked_range)
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field_frequency_max.set_value(v + min_size);
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else
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field_frequency_min.set_value(v);
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on_range_changed();
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}
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void GlassView::clip_max(int32_t v) {
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int32_t min_size = steps;
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if (locked_range)
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min_size = search_span;
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if (min_size < 2)
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min_size = 2;
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if (v < min_size) {
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v = min_size;
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}
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if (v < (field_frequency_min.value() + min_size))
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field_frequency_min.set_value(v - min_size);
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if (locked_range)
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field_frequency_min.set_value(v - min_size);
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else
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field_frequency_max.set_value(v);
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on_range_changed();
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}
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GlassView::GlassView(
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NavigationView& nav)
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: nav_(nav) {
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baseband::run_image(portapack::spi_flash::image_tag_wideband_spectrum);
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add_children({&labels,
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&field_frequency_min,
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&field_frequency_max,
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&field_lna,
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&field_vga,
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&button_range,
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&steps_config,
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&scan_type,
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&view_config,
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&level_integration,
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&filter_config,
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&field_rf_amp,
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&range_presets,
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&button_marker,
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&field_trigger,
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&button_jump,
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&button_rst,
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&freq_stats});
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load_Presets(); // Load available presets from TXT files (or default)
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field_frequency_min.on_change = [this](int32_t v) {
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clip_min(v);
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};
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field_frequency_min.set_value(presets_db[0].min); // Defaults to first preset
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field_frequency_min.set_step(steps);
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field_frequency_min.on_select = [this, &nav](NumberField& field) {
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auto new_view = nav_.push<FrequencyKeypadView>(field_frequency_min.value() * MHZ_DIV);
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new_view->on_changed = [this, &field](rf::Frequency f) {
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clip_min(f / MHZ_DIV);
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};
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};
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field_frequency_max.on_change = [this](int32_t v) {
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clip_max(v);
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};
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field_frequency_max.set_value(presets_db[0].max); // Defaults to first preset
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field_frequency_max.set_step(steps);
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field_frequency_max.on_select = [this, &nav](NumberField& field) {
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auto new_view = nav_.push<FrequencyKeypadView>(field_frequency_max.value() * MHZ_DIV);
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new_view->on_changed = [this, &field](rf::Frequency f) {
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clip_max(f / MHZ_DIV);
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};
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};
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field_lna.on_change = [this](int32_t v) {
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reset_live_view(true);
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this->on_lna_changed(v);
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};
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field_lna.set_value(receiver_model.lna());
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field_vga.on_change = [this](int32_t v_db) {
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reset_live_view(true);
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this->on_vga_changed(v_db);
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};
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field_vga.set_value(receiver_model.vga());
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steps_config.on_change = [this](size_t n, OptionsField::value_t v) {
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(void)n;
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field_frequency_min.set_step(v);
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field_frequency_max.set_step(v);
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steps = v;
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};
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steps_config.set_selected_index(0); // default of 1 Mhz steps
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scan_type.on_change = [this](size_t n, OptionsField::value_t v) {
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(void)n;
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mode = v;
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on_range_changed();
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};
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scan_type.set_selected_index(0); // default legacy fast scan
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view_config.on_change = [this](size_t n, OptionsField::value_t v) {
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(void)n;
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// clear between changes
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reset_live_view(true);
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if (v == 0) {
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live_frequency_view = 0;
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level_integration.hidden(true);
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freq_stats.hidden(true);
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button_jump.hidden(true);
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button_rst.hidden(true);
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display.scroll_set_area(109, 319); // Restart scroll on the correct coordinates
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} else if (v == 1) {
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display.fill_rectangle({{0, 108}, {SCREEN_W, 24}}, {0, 0, 0});
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live_frequency_view = 1;
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display.scroll_disable();
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level_integration.hidden(false);
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freq_stats.hidden(false);
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button_jump.hidden(false);
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button_rst.hidden(false);
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} else if (v == 2) {
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display.fill_rectangle({{0, 108}, {SCREEN_W, 24}}, {0, 0, 0});
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live_frequency_view = 2;
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display.scroll_disable();
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level_integration.hidden(false);
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freq_stats.hidden(false);
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button_jump.hidden(false);
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button_rst.hidden(false);
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}
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set_dirty();
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};
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view_config.set_selected_index(0); // default spectrum
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level_integration.on_change = [this](size_t n, OptionsField::value_t v) {
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(void)n;
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reset_live_view(true);
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live_frequency_integrate = v;
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};
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level_integration.set_selected_index(3); // default integration of ( 3 * old value + new_value ) / 4
|
|
|
|
filter_config.on_change = [this](size_t n, OptionsField::value_t v) {
|
|
(void)n;
|
|
reset_live_view(true);
|
|
min_color_power = v;
|
|
};
|
|
filter_config.set_selected_index(0);
|
|
|
|
range_presets.on_change = [this](size_t n, OptionsField::value_t v) {
|
|
(void)n;
|
|
field_frequency_min.set_value(presets_db[v].min, false);
|
|
field_frequency_max.set_value(presets_db[v].max, false);
|
|
on_range_changed();
|
|
};
|
|
|
|
button_marker.on_change = [this]() {
|
|
if (((int)marker_pixel_index + button_marker.get_encoder_delta()) < 0) {
|
|
marker_pixel_index = 0;
|
|
} else if (((int)marker_pixel_index + button_marker.get_encoder_delta()) > SCREEN_W) {
|
|
marker_pixel_index = SCREEN_W;
|
|
} else {
|
|
marker_pixel_index = marker_pixel_index + button_marker.get_encoder_delta();
|
|
}
|
|
on_marker_change();
|
|
button_marker.set_encoder_delta(0);
|
|
};
|
|
|
|
button_marker.on_select = [this](ButtonWithEncoder&) {
|
|
receiver_model.set_target_frequency(marker); // Center tune rx in marker freq.
|
|
receiver_model.set_frequency_step(MHZ_DIV); // Preset a 1 MHz frequency step into RX -> AUDIO
|
|
nav_.pop();
|
|
nav_.push<AnalogAudioView>(); // Jump into audio view
|
|
};
|
|
|
|
field_trigger.on_change = [this](int32_t v) {
|
|
baseband::set_spectrum(looking_glass_bandwidth, v);
|
|
};
|
|
field_trigger.set_value(32); // Defaults to 32, as normal triggering resolution
|
|
|
|
button_range.on_select = [this](Button&) {
|
|
if (locked_range) {
|
|
locked_range = false;
|
|
button_range.set_style(&Styles::white);
|
|
button_range.set_text(" " + to_string_dec_uint(search_span) + " ");
|
|
} else {
|
|
locked_range = true;
|
|
button_range.set_style(&Styles::red);
|
|
button_range.set_text(">" + to_string_dec_uint(search_span) + "<");
|
|
}
|
|
};
|
|
|
|
button_jump.on_select = [this](Button&) {
|
|
receiver_model.set_target_frequency(max_freq_hold); // Center tune rx in marker freq.
|
|
receiver_model.set_frequency_step(MHZ_DIV); // Preset a 1 MHz frequency step into RX -> AUDIO
|
|
nav_.pop();
|
|
nav_.push<AnalogAudioView>(); // Jump into audio view
|
|
};
|
|
|
|
button_rst.on_select = [this](Button&) {
|
|
reset_live_view(true);
|
|
};
|
|
|
|
display.scroll_set_area(109, 319);
|
|
baseband::set_spectrum(looking_glass_bandwidth, field_trigger.value()); // trigger:
|
|
// Discord User jteich: WidebandSpectrum::on_message to set the trigger value. In WidebandSpectrum::execute ,
|
|
// it keeps adding the output of the fft to the buffer until "trigger" number of calls are made,
|
|
// at which time it pushes the buffer up with channel_spectrum.feed
|
|
|
|
marker_pixel_index = 120;
|
|
on_range_changed();
|
|
|
|
receiver_model.set_modulation(ReceiverModel::Mode::SpectrumAnalysis);
|
|
receiver_model.set_sampling_rate(looking_glass_sampling_rate); // 20mhz
|
|
receiver_model.set_baseband_bandwidth(looking_glass_bandwidth); // possible values: 1.75/2.5/3.5/5/5.5/6/7/8/9/10/12/14/15/20/24/28MHz
|
|
receiver_model.set_squelch_level(0);
|
|
receiver_model.enable();
|
|
}
|
|
|
|
void GlassView::load_Presets() {
|
|
File presets_file;
|
|
auto error = presets_file.open("LOOKINGGLASS/PRESETS.TXT");
|
|
presets_db.clear();
|
|
|
|
if (!error) {
|
|
auto reader = FileLineReader(presets_file);
|
|
for (const auto& line : reader) {
|
|
if (line.length() == 0 || line[0] == '#')
|
|
continue;
|
|
|
|
auto cols = split_string(line, ',');
|
|
if (cols.size() != 3)
|
|
continue;
|
|
|
|
preset_entry entry{};
|
|
parse_int(cols[0], entry.min);
|
|
parse_int(cols[1], entry.max);
|
|
entry.label = trimr(cols[2]);
|
|
|
|
if (entry.min == 0 || entry.max == 0 || entry.min >= entry.max)
|
|
continue; // Invalid line.
|
|
|
|
presets_db.emplace_back(std::move(entry));
|
|
}
|
|
}
|
|
|
|
// Couldn't load any from the file, load a default instead.
|
|
if (presets_db.empty())
|
|
presets_Default();
|
|
|
|
populate_Presets();
|
|
}
|
|
|
|
void GlassView::populate_Presets() {
|
|
using option_t = std::pair<std::string, int32_t>;
|
|
using options_t = std::vector<option_t>;
|
|
options_t entries;
|
|
|
|
for (const auto& preset : presets_db)
|
|
entries.emplace_back(preset.label, entries.size());
|
|
|
|
range_presets.set_options(entries);
|
|
}
|
|
|
|
void GlassView::presets_Default() {
|
|
presets_db.clear();
|
|
presets_db.push_back({2320, 2560, "DEFAULT WIFI 2.4GHz"});
|
|
}
|
|
|
|
} // namespace ui
|