Git-Mirrors
/
portapack-mayhem
mirror of https://github.com/eried/portapack-mayhem.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity
portapack-mayhem/firmware/application/apps/ui_scanner.cpp

768 lines
29 KiB
C++
Raw Blame History

/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2018 Furrtek
*
* This file is part of PortaPack.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2, or (at your option)
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#include "ui_scanner.hpp"
#include "optional.hpp"
#include "ui_fileman.hpp"
#include "ui_freqman.hpp"
using namespace portapack;
namespace fs = std::filesystem;
namespace ui {
ScannerThread::ScannerThread(std::vector<rf::Frequency> frequency_list)
: frequency_list_{std::move(frequency_list)} {
_manual_search = false;
create_thread();
}
ScannerThread::ScannerThread(const scanner_range_t& frequency_range, size_t def_step_hz)
: frequency_range_(frequency_range), def_step_hz_(def_step_hz) {
_manual_search = true;
create_thread();
}
ScannerThread::~ScannerThread() {
stop();
}
void ScannerThread::create_thread() {
thread = chThdCreateFromHeap(NULL, 1024, NORMALPRIO + 10, ScannerThread::static_fn, this);
}
void ScannerThread::stop() {
if (thread) {
chThdTerminate(thread);
chThdWait(thread);
thread = nullptr;
}
}
// Set by "userpause"
void ScannerThread::set_scanning(const bool v) {
_scanning = v;
}
bool ScannerThread::is_scanning() {
return _scanning;
}
void ScannerThread::set_freq_lock(const uint32_t v) {
_freq_lock = v;
}
uint32_t ScannerThread::is_freq_lock() {
return _freq_lock;
}
// Delete an entry from frequency list
// Caller must pause scan_thread AND can't delete a second one until this field is cleared
void ScannerThread::set_freq_del(const rf::Frequency v) {
_freq_del = v;
}
// Force a one-time forward or reverse frequency index change; OK to do this without pausing scan thread
// (used when rotary encoder is turned)
void ScannerThread::set_index_stepper(const int32_t v) {
_index_stepper = v;
}
// Set scanning direction; OK to do this without pausing scan_thread
void ScannerThread::set_scanning_direction(bool fwd) {
int32_t new_stepper = fwd ? 1 : -1;
if (_stepper != new_stepper) {
_stepper = new_stepper;
chThdSleepMilliseconds(300); // Give some pause after reversing scanning direction
}
}
msg_t ScannerThread::static_fn(void* arg) {
auto obj = static_cast<ScannerThread*>(arg);
obj->run();
return 0;
}
void ScannerThread::run() {
RetuneMessage message{};
if (!_manual_search && frequency_list_.size()) { // IF NOT MANUAL MODE AND THERE IS A FREQUENCY LIST ...
int32_t size = frequency_list_.size();
int32_t frequency_index = (_stepper > 0) ? size : 0; // Forcing wraparound to starting frequency on 1st pass
while (!chThdShouldTerminate()) {
bool force_one_step = (_index_stepper != 0);
int32_t step = force_one_step ? _index_stepper : _stepper; //_index_stepper direction takes priority
if (_scanning || force_one_step) { // Scanning, or paused and using rotary encoder
if ((_freq_lock == 0) || force_one_step) { // normal scanning (not performing freq_lock)
frequency_index += step;
if (frequency_index >= size) // Wrap
frequency_index = 0;
else if (frequency_index < 0)
frequency_index = size - 1;
if (force_one_step)
_index_stepper = 0;
receiver_model.set_target_frequency(frequency_list_[frequency_index]); // Retune
}
message.freq = frequency_list_[frequency_index];
message.range = frequency_index; // Inform freq (for coloring purposes also!)
EventDispatcher::send_message(message);
} else if (_freq_del != 0) { // There is a frequency to delete
for (int32_t i = 0; i < size; i++) { // Search for the freq to delete
if (frequency_list_[i] == _freq_del) { // found: Erase it
frequency_list_.erase(frequency_list_.begin() + i);
size = frequency_list_.size();
break;
}
}
_freq_del = 0; // deleted.
}
chThdSleepMilliseconds(SCANNER_SLEEP_MS); // Needed to (eventually) stabilize the receiver into new freq
}
} else if (_manual_search && (def_step_hz_ > 0)) // manual search range mode
{
int64_t size = (frequency_range_.max - frequency_range_.min) / def_step_hz_;
int64_t frequency_index = (_stepper > 0) ? size : 0; // Forcing wraparound to starting frequency on 1st pass
while (!chThdShouldTerminate()) {
bool force_one_step = (_index_stepper != 0);
int32_t step = force_one_step ? _index_stepper : _stepper; //_index_stepper direction takes priority
if (_scanning || force_one_step) { // Scanning, or paused and using rotary encoder
if ((_freq_lock == 0) || force_one_step) { // normal scanning (not performing freq_lock)
frequency_index += step;
if (frequency_index >= size) // Wrap
frequency_index = 0;
else if (frequency_index < 0)
frequency_index = size - 1;
if (force_one_step)
_index_stepper = 0;
receiver_model.set_target_frequency(frequency_range_.min + frequency_index * def_step_hz_); // Retune
}
message.freq = frequency_range_.min + frequency_index * def_step_hz_;
message.range = 0; // Inform freq (for coloring purposes also!)
EventDispatcher::send_message(message);
}
chThdSleepMilliseconds(SCANNER_SLEEP_MS); // Needed to (eventually) stabilize the receiver into new freq
}
}
}
void ScannerView::bigdisplay_update(int32_t v) {
if (v != bigdisplay_current_color) {
if (v != -1)
bigdisplay_current_color = v; // -1 means refresh display but keep current color
switch (bigdisplay_current_color) {
case BDC_GREY:
big_display.set_style(&Styles::grey);
break;
case BDC_YELLOW:
big_display.set_style(&Styles::yellow);
break;
case BDC_GREEN:
big_display.set_style(&Styles::green);
break;
case BDC_RED:
big_display.set_style(&Styles::red);
break;
default:
break;
}
// update frequency display
bigdisplay_current_frequency = current_frequency;
big_display.set(bigdisplay_current_frequency);
} else {
// no style change, but update frequency display if it's changed
if (current_frequency != bigdisplay_current_frequency) {
bigdisplay_current_frequency = current_frequency;
big_display.set(bigdisplay_current_frequency);
}
}
}
void ScannerView::handle_retune(int64_t freq, uint32_t freq_idx) {
current_index = freq_idx; // since it is an ongoing scan, this is a new index
current_frequency = freq;
if (scan_thread) {
switch (scan_thread->is_freq_lock()) {
case 0: // NO FREQ LOCK, ONGOING STANDARD SCANNING
bigdisplay_update(BDC_GREY);
break;
case 1: // STARTING LOCK FREQ
bigdisplay_update(BDC_YELLOW);
break;
case MAX_FREQ_LOCK: // FREQ IS STRONG: GREEN and scanner will pause when on_statistics_update()
bigdisplay_update(BDC_GREEN);
break;
default: // freq lock is checking the signal, do not update display
return;
}
}
if (!manual_search) {
if (entries.size() > 0)
field_current_index.set_text(to_string_dec_uint(freq_idx + 1, 3));
if (freq_idx < entries.size() && entries[freq_idx].description.size() > 1)
text_current_desc.set(entries[freq_idx].description); // Show description from file
else
text_current_desc.set(loaded_filename()); // Show Scan file name (no description in file)
}
}
void ScannerView::handle_encoder(EncoderEvent delta) {
auto index_step = delta > 0 ? 1 : -1;
if (scan_thread)
scan_thread->set_index_stepper(index_step);
// Restart browse timer when frequency changes.
if (browse_timer != 0)
browse_timer = 1;
}
std::string ScannerView::loaded_filename() const {
auto filename = freqman_file;
if (filename.length() > 23) { // Truncate long file name.
filename.resize(22);
filename = filename + "+";
}
return filename;
}
void ScannerView::focus() {
button_load.focus();
}
ScannerView::~ScannerView() {
// make sure to stop the thread before shutting down the receiver
scan_thread.reset();
audio::output::stop();
receiver_model.disable();
baseband::shutdown();
}
void ScannerView::show_max_index() { // show total number of freqs to scan
field_current_index.set_text("---");
if (entries.size() == FREQMAN_MAX_PER_FILE) {
text_max_index.set_style(&Styles::red);
text_max_index.set("/ " + to_string_dec_uint(FREQMAN_MAX_PER_FILE) + " (DB MAX!)");
} else {
text_max_index.set_style(&Styles::grey);
text_max_index.set("/ " + to_string_dec_uint(entries.size()));
}
}
ScannerView::ScannerView(
NavigationView& nav)
: nav_{nav} {
add_children({
&labels,
&field_lna,
&field_vga,
&field_rf_amp,
&field_volume,
&field_bw,
&field_squelch,
&field_browse_wait,
&field_lock_wait,
&button_load,
&button_clear,
&rssi,
&field_current_index,
&text_max_index,
&text_current_desc,
&big_display,
&button_manual_start,
&button_manual_end,
&field_mode,
&field_step,
&button_manual_search,
&button_pause,
&button_dir,
&button_audio_app,
&button_mic_app,
&button_add,
&button_remove,
});
// Populate option text for these fields
freqman_set_modulation_option(field_mode);
freqman_set_step_option(field_step);
// Default starting modulation (from saved App Settings if enabled, and may be overridden in SCANNER.TXT)
field_mode.set_by_value((OptionsField::value_t)receiver_model.modulation()); // Reflect the mode into the manual selector
field_step.set_by_value(receiver_model.frequency_step()); // Default step interval (Hz)
change_mode((freqman_index_t)field_mode.selected_index_value());
button_manual_start.set_text(to_string_short_freq(frequency_range.min));
button_manual_end.set_text(to_string_short_freq(frequency_range.max));
// Button to load a Freqman file.
button_load.on_select = [this, &nav](Button&) {
auto open_view = nav.push<FileLoadView>(".TXT");
open_view->push_dir(freqman_dir);
open_view->on_changed = [this, &nav](std::filesystem::path new_file_path) {
if (new_file_path.native().find(freqman_dir.native()) == 0) {
scan_pause();
frequency_file_load(new_file_path);
} else {
nav.display_modal("LOAD ERROR", "A valid file from\nFREQMAN directory is\nrequired.");
}
};
};
// Button to clear in-memory frequency list.
button_clear.on_select = [this, &nav](Button&) {
if (scan_thread && entries.size()) {
scan_thread->stop(); // STOP SCANNER THREAD
entries.clear();
show_max_index(); // UPDATE new list size on screen
field_current_index.set_text("");
text_current_desc.set(loaded_filename());
scan_thread->set_freq_lock(0); // Reset the scanner lock
// FUTURE: Consider switching to manual search mode automatically after clear (but would need to validate freq range)
}
};
// Button to configure starting frequency for a manual range search.
button_manual_start.on_select = [this, &nav](Button& button) {
auto new_view = nav_.push<FrequencyKeypadView>(frequency_range.min);
new_view->on_changed = [this, &button](rf::Frequency f) {
frequency_range.min = f;
button_manual_start.set_text(to_string_short_freq(f));
};
};
// Button to configure ending frequency for a manual range search.
button_manual_end.on_select = [this, &nav](Button& button) {
auto new_view = nav.push<FrequencyKeypadView>(frequency_range.max);
new_view->on_changed = [this, &button](rf::Frequency f) {
frequency_range.max = f;
button_manual_end.set_text(to_string_short_freq(f));
};
};
// Button to pause/resume scan (note that some other buttons will trigger resume also).
button_pause.on_select = [this](ButtonWithEncoder&) {
if (userpause)
user_resume();
else {
scan_pause();
button_pause.set_text("<RESUME>"); // PAUSED, show resume
userpause = true;
}
};
// Encoder dial causes frequency change when focus is on pause button or current index.
button_pause.on_change = [this]() {
handle_encoder(button_pause.get_encoder_delta());
button_pause.set_encoder_delta(0);
};
field_current_index.on_encoder_change = [this](TextField&, EncoderEvent delta) {
handle_encoder(delta);
};
// Button to switch to Audio app
button_audio_app.on_select = [this](Button&) {
if (scan_thread)
scan_thread->stop();
auto settings = receiver_model.settings();
settings.frequency_step = field_step.selected_index_value();
nav_.replace<AnalogAudioView>(settings);
};
// Button to switch to Mic app
button_mic_app.on_select = [this](Button&) {
if (scan_thread)
scan_thread->stop();
// MicTX wants Modulation and Bandwidth overrides, but that's only stored on the RX model.
nav_.replace<MicTXView>(receiver_model.settings());
};
// Button to delete current frequency from scan Freq List
button_remove.on_select = [this](Button&) {
if (scan_thread && (entries.size() > current_index)) {
scan_thread->set_scanning(false); // PAUSE Scanning if necessary
// Remove frequency from the Freq List in memory (it is not removed from the file).
scan_thread->set_freq_del(entries[current_index].freq);
entries.erase(entries.begin() + current_index);
show_max_index(); // UPDATE new list size on screen
text_current_desc.set(""); // Clean up description (cosmetic detail)
scan_thread->set_freq_lock(0); // Reset the scanner lock
}
};
// Button to toggle between Manual Search and Freq List Scan modes
button_manual_search.on_select = [this](Button&) {
if (!manual_search) {
if (!frequency_range.min || !frequency_range.max) {
nav_.display_modal("Error", "Both START and END freqs\nneed a value");
} else if (frequency_range.min > frequency_range.max) {
nav_.display_modal("Error", "END freq\nis lower than START");
} else {
manual_search = true; // Switch to Manual Search mode
}
} else {
manual_search = false; // Switch to List Scan mode
}
restart_scan();
};
// Mode field was changed (AM/NFM/WFM)
field_mode.on_change = [this](size_t, OptionsField::value_t v) {
static freqman_index_t last_mode = AM_MODULATION;
// unsupported SPEC mode fix
if (v == SPEC_MODULATION) {
if (last_mode == AM_MODULATION)
v = WFM_MODULATION;
else
v = AM_MODULATION;
field_mode.set_selected_index(v);
}
last_mode = v;
receiver_model.disable();
baseband::shutdown();
change_mode((freqman_index_t)v);
if (scan_thread && !scan_thread->is_scanning()) // for some motive, audio output gets stopped.
audio::output::start(); // So if scan was stopped we resume audio
receiver_model.enable();
};
// Step field was changed (Hz) -- only affects manual Search mode
field_step.on_change = [this](size_t, OptionsField::value_t v) {
receiver_model.set_frequency_step(v);
if (manual_search && scan_thread)
restart_scan();
};
// Button to toggle Forward/Reverse
button_dir.on_select = [this](Button&) {
fwd = !fwd;
if (scan_thread)
scan_thread->set_scanning_direction(fwd);
if (userpause) // If user-paused, resume
user_resume();
button_dir.set_text(fwd ? "REVERSE" : "FORWARD");
bigdisplay_update(BDC_GREY); // Back to grey color
};
// Button to add current frequency (found during Search) to the Scan Frequency List
button_add.on_select = [this](Button&) {
FreqmanDB db;
if (db.open(get_freqman_path(freqman_file), /*create*/ true)) {
freqman_entry entry{
.frequency_a = current_frequency,
.type = freqman_type::Single,
};
// Look for existing entry with same frequency.
auto it = db.find_entry([&entry](const auto& e) {
return e.frequency_a == entry.frequency_a;
});
auto found = (it != db.end());
if (found) {
nav_.display_modal("Error", "Frequency already exists");
bigdisplay_update(-1); // Need to poke this control after displaying modal?
} else {
db.append_entry(entry);
// Add to frequency_list in memory too, since we can now switch back from manual mode
// Note that we are allowing freqs to be added to file (code above) that exceed the
// max count we can load into memory.
if (entries.size() < FREQMAN_MAX_PER_FILE) {
entries.push_back({current_frequency, ""});
show_max_index(); // Display updated frequency list size
}
}
} else {
nav_.display_modal("Error", "Cannot open " + freqman_file + ".TXT\nfor appending freq.");
bigdisplay_update(-1); // Need to poke this control after displaying modal?
}
};
// PRE-CONFIGURATION:
field_browse_wait.on_change = [this](int32_t v) { browse_wait = v; };
field_browse_wait.set_value(browse_wait);
field_lock_wait.on_change = [this](int32_t v) { lock_wait = v; };
field_lock_wait.set_value(lock_wait);
field_squelch.on_change = [this](int32_t v) { squelch = v; };
field_squelch.set_value(squelch);
// Disable squelch on the model because RSSI handler is where the
// actual squelching is applied for this app.
receiver_model.set_squelch_level(0);
// LOAD FREQUENCIES
frequency_file_load(get_freqman_path(freqman_file));
}
void ScannerView::frequency_file_load(const fs::path& path) {
freqman_index_t def_mod_index{freqman_invalid_index};
freqman_index_t def_bw_index{freqman_invalid_index};
freqman_index_t def_step_index{freqman_invalid_index};
FreqmanDB db;
if (!db.open(path)) {
text_current_desc.set("NO " + path.filename().string());
return;
}
entries.clear();
freqman_file = path.stem().string();
Optional<scanner_range_t> range;
for (auto entry : db) {
if (is_invalid(def_mod_index))
def_mod_index = entry.modulation;
if (is_invalid(def_bw_index))
def_bw_index = entry.bandwidth;
if (is_invalid(def_step_index))
def_step_index = entry.step;
switch (entry.type) {
case freqman_type::Repeater:
case freqman_type::Single:
entries.push_back({entry.frequency_a, entry.description});
break;
case freqman_type::HamRadio:
entries.push_back({entry.frequency_a, "R: " + entry.description});
entries.push_back({entry.frequency_b, "T: " + entry.description});
break;
case freqman_type::Range:
// NB: Only the first range will be loaded.
if (!range)
range = {entry.frequency_a, entry.frequency_b};
break;
default:
break;
}
if (entries.size() >= FREQMAN_MAX_PER_FILE)
break;
}
if (is_valid(def_mod_index) && def_mod_index != (freqman_index_t)field_mode.selected_index_value())
field_mode.set_by_value(def_mod_index);
if (is_valid(def_bw_index))
field_bw.set_selected_index(def_bw_index);
if (is_valid(def_step_index))
field_step.set_selected_index(def_step_index);
// Found range, set it and update UI.
if (range) {
frequency_range = *range;
button_manual_start.set_text(to_string_short_freq(frequency_range.min));
button_manual_end.set_text(to_string_short_freq(frequency_range.max));
}
// Scan entries if any, otherwise do manual range search.
manual_search = entries.empty();
restart_scan();
}
void ScannerView::update_squelch_while_paused(int32_t max_db) {
// Update audio & color based on signal level even if paused
if (++color_timer > 2) { // Counter to reduce color toggling when weak signal
if (max_db > squelch) {
audio::output::start(); // Re-enable audio when signal goes above squelch
receiver_model.set_headphone_volume(receiver_model.headphone_volume()); // quick fix to make sure WM8731S chips don't stay silent after pause
bigdisplay_update(BDC_GREEN);
} else {
audio::output::stop(); // Silence audio when signal drops below squelch
bigdisplay_update(BDC_GREY); // Back to grey color
}
color_timer = 0;
}
}
void ScannerView::on_statistics_update(const ChannelStatistics& statistics) {
if (userpause) {
update_squelch_while_paused(statistics.max_db);
} else if (scan_thread) // Scanning not user-paused
{
// Resume regardless of signal strength if browse time reached
if ((browse_wait != 0) && (browse_timer >= (browse_wait * STATISTICS_UPDATES_PER_SEC))) {
browse_timer = 0;
scan_resume(); // Resume scanning
} else {
if (statistics.max_db > squelch) { // There is something on the air...(statistics.max_db > -squelch)
if (scan_thread->is_freq_lock() >= MAX_FREQ_LOCK) { // Pause scanning when signal checking time reached
if (!browse_timer) // Don't bother pausing if already paused
scan_pause();
browse_timer++; // browse_timer!=0 is also an indication that we've paused the scan
update_squelch_while_paused(statistics.max_db);
} else {
scan_thread->set_freq_lock(scan_thread->is_freq_lock() + 1); // in lock period, still analyzing the signal
if (browse_timer) // Continue incrementing browse timer while paused
browse_timer++;
}
lock_timer = 0; // Keep resetting lock timer while signal remains
} else { // There is NOTHING on the air
if (!browse_timer) {
// Signal lost and scan was never paused
if (scan_thread->is_freq_lock() > 0) { // But are we already in freq_lock ?
bigdisplay_update(BDC_GREY); // Back to grey color
scan_thread->set_freq_lock(0); // Reset the scanner lock, since there is no sig
}
} else {
// Signal lost and scan is still paused
lock_timer++; // Bump paused time
if (lock_timer >= (lock_wait * STATISTICS_UPDATES_PER_SEC)) { // Stay on freq until lock_wait time elapses
browse_timer = 0;
scan_resume();
} else {
browse_timer++; // Bump browse time too (may hit that limit before lock_timer reached)
update_squelch_while_paused(statistics.max_db);
}
}
}
}
}
}
void ScannerView::scan_pause() {
if (scan_thread && scan_thread->is_scanning()) {
scan_thread->set_freq_lock(0); // Reset the scanner lock (because user paused, or MAX_FREQ_LOCK reached) for next freq scan
scan_thread->set_scanning(false); // WE STOP SCANNING
}
audio::output::start();
receiver_model.set_headphone_volume(receiver_model.headphone_volume()); // quick fix to make sure WM8731S chips don't stay silent after pause
}
void ScannerView::scan_resume() {
audio::output::stop();
bigdisplay_update(BDC_GREY); // Back to grey color
if (scan_thread) {
scan_thread->set_index_stepper(fwd ? 1 : -1);
scan_thread->set_scanning(true); // RESUME!
}
}
void ScannerView::user_resume() {
browse_timer = browse_wait * STATISTICS_UPDATES_PER_SEC + 1; // Will trigger a scan_resume() on_statistics_update, also advancing to next freq.
button_pause.set_text("<PAUSE>"); // Show button for pause, arrows indicate rotary encoder enabled for freq change
userpause = false; // Resume scanning
}
// Before this, do a scan_thread->stop(); After this do a start_scan_thread()
void ScannerView::change_mode(freqman_index_t new_mod) {
using option_t = std::pair<std::string, int32_t>;
using options_t = std::vector<option_t>;
options_t bw;
field_bw.on_change = [this](size_t n, OptionsField::value_t) {
(void)n; // avoid unused warning
};
switch (new_mod) {
case AM_MODULATION:
freqman_set_bandwidth_option(new_mod, field_bw);
baseband::run_image(portapack::spi_flash::image_tag_am_audio);
receiver_model.set_modulation(ReceiverModel::Mode::AMAudio);
field_bw.set_by_value(receiver_model.am_configuration());
field_bw.on_change = [this](size_t, OptionsField::value_t n) { receiver_model.set_am_configuration(n); };
break;
case NFM_MODULATION:
freqman_set_bandwidth_option(new_mod, field_bw);
baseband::run_image(portapack::spi_flash::image_tag_nfm_audio);
receiver_model.set_modulation(ReceiverModel::Mode::NarrowbandFMAudio);
field_bw.set_by_value(receiver_model.nbfm_configuration());
field_bw.on_change = [this](size_t, OptionsField::value_t n) { receiver_model.set_nbfm_configuration(n); };
break;
case WFM_MODULATION:
freqman_set_bandwidth_option(new_mod, field_bw);
baseband::run_image(portapack::spi_flash::image_tag_wfm_audio);
receiver_model.set_modulation(ReceiverModel::Mode::WidebandFMAudio);
field_bw.set_by_value(receiver_model.wfm_configuration());
field_bw.on_change = [this](size_t, OptionsField::value_t n) { receiver_model.set_wfm_configuration(n); };
break;
default:
break;
}
}
void ScannerView::start_scan_thread() {
receiver_model.enable();
show_max_index();
// Start Scanner Thread
if (manual_search) {
button_manual_search.set_text("SCAN"); // Update meaning of Manual Scan button
text_current_desc.set("SEARCHING...");
scan_thread = std::make_unique<ScannerThread>(frequency_range, field_step.selected_index_value());
} else {
button_manual_search.set_text("SRCH"); // Update meaning of Manual Scan button
text_current_desc.set(loaded_filename());
// TODO: just pass ref to the thread?
std::vector<rf::Frequency> frequency_list;
frequency_list.reserve(entries.size());
for (const auto& entry : entries)
frequency_list.push_back(entry.freq);
scan_thread = std::make_unique<ScannerThread>(std::move(frequency_list));
}
scan_thread->set_scanning_direction(fwd);
}
void ScannerView::restart_scan() {
audio::output::stop();
if (scan_thread) // STOP SCANNER THREAD
scan_thread->stop();
if (userpause) // If user-paused, resume
user_resume();
start_scan_thread(); // RESTART SCANNER THREAD in selected mode
}
} /* namespace ui */
Reference in New Issue View Git Blame Copy Permalink