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better "squelch" and coloring big numbers

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When scanner finds a freq with high dbi, it locks into it "listening" a bit more (less than a second) for either confirm or discard it as an actual high dbi or just a spurious thing.

The big number frequency changes color accordingly: Grey = just scanning, yellow = locking in, Green = Found something, allowing the user to listen.
This commit is contained in:
euquiq 2020-07-25 14:07:03 -03:00
parent f50b376cbd
commit e8f6e1389e
2 changed files with 78 additions and 25 deletions
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91
firmware/application/apps/ui_scanner.cpp
View File

@ -21,7 +21,7 @@
*/
#include "ui_scanner.hpp"
#include "portapack_persistent_memory.hpp"
#include "baseband_api.hpp"
#include "string_format.hpp"
#include "audio.hpp"
@ -66,6 +66,14 @@ bool ScannerThread::is_userpause() {
return _userpause;
}
void ScannerThread::set_freq_lock(const uint32_t v) {
_freq_lock = v;
}
uint32_t ScannerThread::is_freq_lock() {
return _freq_lock;
}
msg_t ScannerThread::static_fn(void* arg) {
auto obj = static_cast<ScannerThread*>(arg);
obj->run();
@ -75,27 +83,44 @@ msg_t ScannerThread::static_fn(void* arg) {
void ScannerThread::run() {
if (frequency_list_.size()) { //IF THERE IS A FREQUENCY LIST ...
RetuneMessage message { };
uint32_t frequency_index = 0;
uint32_t frequency_index = frequency_list_.size();
uint32_t freqlock_counter=0;
while( !chThdShouldTerminate() ) {
if (_scanning) {
// Retune
receiver_model.set_tuning_frequency(frequency_list_[frequency_index]);
message.range = frequency_index;
if (_freq_lock == 0) { //normal scanning
frequency_index++;
if (frequency_index >= frequency_list_.size())
frequency_index = 0;
receiver_model.set_tuning_frequency(frequency_list_[frequency_index]); // Retune
} else {
chThdSleepMilliseconds(25); //Extra time ?
}
message.range = frequency_index; //Inform freq (for coloring purposes also!)
EventDispatcher::send_message(message);
frequency_index++;
if (frequency_index >= frequency_list_.size())
frequency_index = 0;
}
chThdSleepMilliseconds(50); //50 is enough for reception stabilization, increase for more precise scanning ?
chThdSleepMilliseconds(50);
}
}
}
void ScannerView::handle_retune(uint32_t i) {
big_display.set(frequency_list[i]); //Show the big Freq
text_cycle.set( to_string_dec_uint(i + 1,3) );
if (description_list[i].size() > 0) desc_cycle.set( description_list[i] ); //If this is a new description: show
switch (scan_thread->is_freq_lock())
{
case 0: //NO FREQ LOCK, ONGOING STANDARD SCANNING
text_cycle.set( to_string_dec_uint(i + 1,3) );
if (description_list[i].size() > 0) desc_cycle.set( description_list[i] ); //If this is a new description: show
break;
case 1:
big_display.set_style(&style_yellow); //STARTING LOCK FREQ
break;
case MAX_FREQ_LOCK:
big_display.set_style(&style_green); //FREQ LOCK FULL, GREEN!
break;
default: //freq lock is checking the signal, do not update display
return;
}
big_display.set(frequency_list[i]); //UPDATE the big Freq after 0, 1 or MAX_FREQ_LOCK (at least, for color synching)
}
void ScannerView::focus() {
@ -145,7 +170,14 @@ ScannerView::ScannerView(
def_step = change_mode(AM); //Start on AM
field_mode.set_by_value(AM); //Reflect the mode into the manual selector
big_display.set_style(&style_green); //Start with green color
big_display.set_style(&style_grey); //Start with gray color
//HELPER: Pre-setting a manual range, based on stored frequency
rf::Frequency stored_freq = persistent_memory::tuned_frequency();
frequency_range.min = stored_freq - 1000000;
button_manual_start.set_text(to_string_short_freq(frequency_range.min));
frequency_range.max = stored_freq + 1000000;
button_manual_end.set_text(to_string_short_freq(frequency_range.max));
button_manual_start.on_select = [this, &nav](Button& button) {
auto new_view = nav_.push<FrequencyKeypadView>(frequency_range.min);
@ -165,10 +197,9 @@ ScannerView::ScannerView(
button_pause.on_select = [this](Button&) {
if (scan_thread->is_userpause()) {
timer = wait * 10; //Unlock timer pause on_statistics_update
timer = wait * 10; //Unlock timer pause on_statistics_update
button_pause.set_text("PAUSE"); //resume scanning (show button for pause)
scan_thread->set_userpause(false);
//scan_resume();
scan_thread->set_userpause(false); //Signal user's will
} else {
scan_pause();
scan_thread->set_userpause(true);
@ -190,13 +221,14 @@ ScannerView::ScannerView(
} else if (frequency_range.min > frequency_range.max) {
nav_.display_modal("Error", "END freq\nis lower than START");
} else {
audio::output::stop();
scan_thread->stop(); //STOP SCANNER THREAD
frequency_list.clear();
description_list.clear();
def_step = step_mode.selected_index_value(); //Use def_step from manual selector
description_list.push_back(
"M:" + to_string_short_freq(frequency_range.min) + ">"
"M:" + to_string_short_freq(frequency_range.min) + " >"
+ to_string_short_freq(frequency_range.max) + " S:"
+ to_string_short_freq(def_step)
);
@ -249,7 +281,7 @@ ScannerView::ScannerView(
}
frequency_list.push_back(entry.frequency_a); //Store starting freq and description
description_list.push_back("R:" + to_string_short_freq(entry.frequency_a)
+ ">" + to_string_short_freq(entry.frequency_b)
+ " >" + to_string_short_freq(entry.frequency_b)
+ " S:" + to_string_short_freq(def_step));
while (frequency_list.size() < MAX_DB_ENTRY && entry.frequency_a <= entry.frequency_b) { //add the rest of the range
entry.frequency_a+=def_step;
@ -287,12 +319,21 @@ void ScannerView::on_statistics_update(const ChannelStatistics& statistics) {
}
else if (!timer)
{
if (statistics.max_db > -squelch) { //There is something on the air...
scan_pause();
timer++;
}
if (statistics.max_db > -squelch) { //There is something on the air...
if (scan_thread->is_freq_lock() >= MAX_FREQ_LOCK) { //checking time reached
scan_pause();
timer++;
} else {
scan_thread->set_freq_lock( scan_thread->is_freq_lock() + 1 ); //in lock period, still analyzing the signal
}
} else { //There is NOTHING on the air
if (scan_thread->is_freq_lock() > 0) { //But are we already in freq_lock ?
big_display.set_style(&style_grey); //Back to grey color
scan_thread->set_freq_lock(0); //Reset the scanner lock, since there is no signal
}
}
}
else
else //Ongoing wait time
{
timer++;
}
@ -301,6 +342,7 @@ void ScannerView::on_statistics_update(const ChannelStatistics& statistics) {
void ScannerView::scan_pause() {
if (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();
}
@ -309,6 +351,7 @@ void ScannerView::scan_pause() {
void ScannerView::scan_resume() {
if (!scan_thread->is_scanning()) {
audio::output::stop();
big_display.set_style(&style_grey); //Back to grey color
scan_thread->set_scanning(true); // WE RESCAN
}
}

12
firmware/application/apps/ui_scanner.hpp
View File

@ -22,7 +22,6 @@
#include "ui.hpp"
#include "receiver_model.hpp"
#include "ui_receiver.hpp"
#include "ui_font_fixed_8x16.hpp"
#include "freqman.hpp"
@ -30,6 +29,7 @@
#define MAX_DB_ENTRY 500
#define MAX_FREQ_LOCK 10 //50ms cycles scanner locks into freq when signal detected, to verify signal is not spureous
namespace ui {
@ -49,6 +49,9 @@ public:
void set_userpause(const bool v);
bool is_userpause();
void set_freq_lock(const uint32_t v);
uint32_t is_freq_lock();
void stop();
ScannerThread(const ScannerThread&) = delete;
@ -62,6 +65,7 @@ private:
bool _scanning { true };
bool _userpause { false };
uint32_t _freq_lock { 0 };
static msg_t static_fn(void* arg);
void run();
};
@ -81,6 +85,12 @@ public:
.foreground = Color::grey(),
};
const Style style_yellow { //Found signal
.font = font::fixed_8x16,
.background = Color::black(),
.foreground = Color::dark_yellow(),
};
const Style style_green { //Found signal
.font = font::fixed_8x16,
.background = Color::black(),