Merge pull request #215 from euquiq/looking_glass_full_bw_cascade_scanner

New "looking Glass" app
This commit is contained in:
Erwin Ried 2020-10-27 21:57:11 +01:00 committed by GitHub
commit 01cfd360fe
No known key found for this signature in database
GPG Key ID: 4AEE18F83AFDEB23
5 changed files with 531 additions and 1 deletions

View File

@ -231,6 +231,7 @@ set(CPPSRC
apps/ui_keyfob.cpp
apps/ui_lcr.cpp
apps/lge_app.cpp
apps/ui_looking_glass_app.cpp
apps/ui_mictx.cpp
apps/ui_modemsetup.cpp
apps/ui_morse.cpp

View File

@ -0,0 +1,334 @@
/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2020 euquiq
*
* 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_looking_glass_app.hpp"
using namespace portapack;
namespace ui
{
void GlassView::focus() {
field_marker.focus();
}
GlassView::~GlassView() {
receiver_model.set_sampling_rate(3072000); // Just a hack to avoid hanging other apps
receiver_model.disable();
baseband::shutdown();
}
void GlassView::on_lna_changed(int32_t v_db) {
receiver_model.set_lna(v_db);
}
void GlassView::on_vga_changed(int32_t v_db) {
receiver_model.set_vga(v_db);
}
void GlassView::add_spectrum_pixel(Color color)
{
spectrum_row[pixel_index++] = color;
if (pixel_index == 240) //got an entire waterfall line
{
const auto draw_y = display.scroll(1); //Scroll 1 pixel down
display.draw_pixels( {{0, draw_y}, {240, 1}}, spectrum_row); //new line at top
pixel_index = 0; //Start New cascade line
}
}
//Apparently, the spectrum object returns an array of 256 bins
//Each having the radio signal power for it's corresponding frequency slot
void GlassView::on_channel_spectrum(const ChannelSpectrum &spectrum)
{
baseband::spectrum_streaming_stop();
// Convert bins of this spectrum slice into a representative max_power and when enough, into pixels
// Spectrum.db has 256 bins. Center 12 bins are ignored (DC spike is blanked) Leftmost and rightmost 2 bins are ignored
// All things said and done, we actually need 240 of those bins:
for(uint8_t bin = 0; bin < 240; bin++)
{
if (bin < 120) {
if (spectrum.db[134 + bin] > max_power)
max_power = spectrum.db[134 + bin];
}
else
{
if (spectrum.db[bin - 118] > max_power)
max_power = spectrum.db[bin - 118];
}
bins_Hz_size += each_bin_size; //add this bin Hz count into the "pixel fulfilled bag of Hz"
if (bins_Hz_size >= marker_pixel_step) //new pixel fullfilled
{
if (min_color_power < max_power)
add_spectrum_pixel(spectrum_rgb3_lut[max_power]); //Pixel will represent max_power
else
add_spectrum_pixel(0); //Filtered out, show black
max_power = 0;
if (!pixel_index) //Received indication that a waterfall line has been completed
{
bins_Hz_size = 0; //Since this is an entire pixel line, we don't carry "Pixels into next bin"
break;
} else {
bins_Hz_size -= marker_pixel_step; //reset bins size, but carrying the eventual excess Hz into next pixel
}
}
}
if (pixel_index)
f_center += SEARCH_SLICE_WIDTH; //Move into the next bandwidth slice NOTE: spectrum.sampling_rate = SEARCH_SLICE_WIDTH
else
f_center = f_center_ini; //Start a new sweep
receiver_model.set_tuning_frequency(f_center); //tune rx for this slice
baseband::spectrum_streaming_start(); //Do the RX
}
void GlassView::on_hide()
{
baseband::spectrum_streaming_stop();
display.scroll_disable();
}
void GlassView::on_show()
{
display.scroll_set_area( 109, 319); //Restart scroll on the correct coordinates
baseband::spectrum_streaming_start();
}
void GlassView::on_range_changed()
{
f_min = field_frequency_min.value();
f_max = field_frequency_max.value();
search_span = f_max - f_min;
field_marker.set_range(f_min, f_max); //Move the marker between range
field_marker.set_value(f_min + (search_span / 2)); //Put MARKER AT MIDDLE RANGE
text_range.set(to_string_dec_uint(search_span));
f_min = (f_min)*MHZ_DIV; //Transpose into full frequency realm
f_max = (f_max)*MHZ_DIV;
search_span = search_span * MHZ_DIV;
marker_pixel_step = search_span / 240; //Each pixel value in Hz
text_marker_pm.set(to_string_dec_uint((marker_pixel_step / X2_MHZ_DIV) + 1)); // Give idea of +/- marker precision
int32_t marker_step = marker_pixel_step / MHZ_DIV;
if (!marker_step)
field_marker.set_step(1); //in case selected range is less than 240 (pixels)
else
field_marker.set_step(marker_step); //step needs to be a pixel wide.
f_center_ini = f_min + (SEARCH_SLICE_WIDTH / 2); //Initial center frequency for sweep
f_center_ini += SEARCH_SLICE_WIDTH; //euquiq: Why do I need to move the center ???!!! (shift needed for marker accuracy)
PlotMarker(field_marker.value()); //Refresh marker on screen
f_center = f_center_ini; //Reset sweep into first slice
pixel_index = 0; //reset pixel counter
max_power = 0;
bins_Hz_size = 0; //reset amount of Hz filled up by pixels
baseband::set_spectrum(SEARCH_SLICE_WIDTH, field_trigger.value());
receiver_model.set_tuning_frequency(f_center_ini); //tune rx for this slice
}
void GlassView::PlotMarker(rf::Frequency pos)
{
pos = pos * MHZ_DIV;
pos -= f_min;
pos = pos / marker_pixel_step; //Real pixel
portapack::display.fill_rectangle({0, 100, 240, 8}, Color::black()); //Clear old marker and whole marker rectangle btw
portapack::display.fill_rectangle({pos - 2, 100, 5, 3}, Color::red()); //Red marker middle
portapack::display.fill_rectangle({pos - 1, 103, 3, 3}, Color::red()); //Red marker middle
portapack::display.fill_rectangle({pos, 106, 1, 2}, Color::red()); //Red marker middle
}
GlassView::GlassView(
NavigationView &nav) : nav_(nav)
{
baseband::run_image(portapack::spi_flash::image_tag_wideband_spectrum);
add_children({&labels,
&field_frequency_min,
&field_frequency_max,
&field_lna,
&field_vga,
&text_range,
&filter_config,
&field_rf_amp,
&range_presets,
&field_marker,
&text_marker_pm,
&field_trigger
});
load_Presets(); //Load available presets from TXT files (or default)
field_frequency_min.set_value(presets_db[0].min); //Defaults to first preset
field_frequency_min.on_change = [this](int32_t v) {
if (v >= field_frequency_max.value())
field_frequency_max.set_value(v + 240);
this->on_range_changed();
};
field_frequency_max.set_value(presets_db[0].max); //Defaults to first preset
field_frequency_max.on_change = [this](int32_t v) {
if (v <= field_frequency_min.value())
field_frequency_min.set_value(v - 240);
this->on_range_changed();
};
field_lna.set_value(receiver_model.lna());
field_lna.on_change = [this](int32_t v) {
this->on_lna_changed(v);
};
field_vga.set_value(receiver_model.vga());
field_vga.on_change = [this](int32_t v_db) {
this->on_vga_changed(v_db);
};
filter_config.set_selected_index(0);
filter_config.on_change = [this](size_t n, OptionsField::value_t v) {
min_color_power = v;
};
range_presets.on_change = [this](size_t n, OptionsField::value_t v) {
field_frequency_min.set_value(presets_db[v].min,false);
field_frequency_max.set_value(presets_db[v].max,false);
this->on_range_changed();
};
field_marker.on_change = [this](int32_t v) {
PlotMarker(v); //Refresh marker on screen
};
field_marker.on_select = [this](NumberField&) {
f_center = field_marker.value();
f_center = f_center * MHZ_DIV;
receiver_model.set_tuning_frequency(f_center); //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.set_value(32); //Defaults to 32, as normal triggering resolution
field_trigger.on_change = [this](int32_t v) {
baseband::set_spectrum(SEARCH_SLICE_WIDTH, v);
};
display.scroll_set_area( 109, 319);
baseband::set_spectrum(SEARCH_SLICE_WIDTH, 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
on_range_changed();
receiver_model.set_modulation(ReceiverModel::Mode::SpectrumAnalysis);
receiver_model.set_sampling_rate(SEARCH_SLICE_WIDTH); //20mhz
receiver_model.set_baseband_bandwidth(SEARCH_SLICE_WIDTH); // 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; //LOAD /WHIPCALC/ANTENNAS.TXT from microSD
auto result = presets_file.open("LOOKINGGLASS/PRESETS.TXT");
presets_db.clear(); //Start with fresh db
if (result.is_valid()) {
presets_Default(); //There is no txt, store a default range
} else {
std::string line; //There is a txt file
char one_char[1]; //Read it char by char
for (size_t pointer=0; pointer < presets_file.size();pointer++) {
presets_file.seek(pointer);
presets_file.read(one_char, 1);
if ((int)one_char[0] > 31) { //ascii space upwards
line += one_char[0]; //Add it to the textline
}
else if (one_char[0] == '\n') { //New Line
txtline_process(line); //make sense of this textline
line.clear(); //Ready for next textline
}
}
if (line.length() > 0) txtline_process(line); //Last line had no newline at end ?
if (!presets_db.size()) presets_Default(); //no antenna on txt, use default
}
populate_Presets();
}
void GlassView::txtline_process(std::string& line)
{
if (line.find("#") != std::string::npos) return; //Line is just a comment
size_t comma = line.find(","); //Get first comma position
if (comma == std::string::npos) return; //No comma at all
size_t previous = 0;
preset_entry new_preset;
new_preset.min = std::stoi(line.substr(0,comma));
if (!new_preset.min) return; //No frequency!
previous = comma + 1;
comma = line.find(",",previous); //Search for next delimiter
if (comma == std::string::npos) return; //No comma at all
new_preset.max = std::stoi(line.substr(previous,comma - previous));
if (!new_preset.max) return; //No frequency!
new_preset.label = line.substr(comma + 1);
if (new_preset.label.size() == 0) return; //No label ?
presets_db.push_back(new_preset); //Add this preset.
}
void GlassView::populate_Presets()
{
using option_t = std::pair<std::string, int32_t>;
using options_t = std::vector<option_t>;
options_t entries;
for (preset_entry preset : presets_db)
{ //go thru all available presets
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"});
}
}

View File

@ -0,0 +1,183 @@
/*
* Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
* Copyright (C) 2020 euquiq
*
* 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.hpp"
#include "portapack.hpp"
#include "baseband_api.hpp"
#include "receiver_model.hpp"
#include "ui_widget.hpp"
#include "ui_navigation.hpp"
#include "ui_receiver.hpp"
#include "string_format.hpp"
#include "analog_audio_app.hpp"
#include "spectrum_color_lut.hpp"
namespace ui
{
#define SEARCH_SLICE_WIDTH 20000000 // Each slice bandwidth 20 MHz
#define MHZ_DIV 1000000
#define X2_MHZ_DIV 2000000
class GlassView : public View
{
public:
GlassView(NavigationView &nav);
~GlassView();
std::string title() const override { return "Looking Glass"; };
void on_show() override;
void on_hide() override;
void focus() override;
private:
NavigationView& nav_;
struct preset_entry
{
rf::Frequency min{};
rf::Frequency max{};
std::string label{};
};
std::vector<preset_entry> presets_db{};
void on_channel_spectrum(const ChannelSpectrum& spectrum);
void do_timers();
void on_range_changed();
void on_lna_changed(int32_t v_db);
void on_vga_changed(int32_t v_db);
void add_spectrum_pixel(Color color);
void PlotMarker(rf::Frequency pos);
void load_Presets();
void txtline_process(std::string& line);
void populate_Presets();
void presets_Default();
rf::Frequency f_min { 0 }, f_max { 0 };
rf::Frequency search_span { 0 };
rf::Frequency f_center { 0 };
rf::Frequency f_center_ini { 0 };
rf::Frequency marker_pixel_step { 0 };
rf::Frequency each_bin_size { SEARCH_SLICE_WIDTH / 240 };
rf::Frequency bins_Hz_size { 0 };
uint8_t min_color_power { 0 };
uint32_t pixel_index { 0 };
std::array<Color, 240> spectrum_row = { 0 };
ChannelSpectrumFIFO* fifo { nullptr };
uint8_t max_power = 0;
Labels labels{
{{0, 0}, "MIN: MAX: LNA VGA ", Color::light_grey()},
{{0, 1 * 16}, " RANGE: FILTER: AMP:", Color::light_grey()},
{{0, 2 * 16}, "PRESET:", Color::light_grey()},
{{0, 3 * 16}, "MARKER: MHz +/- MHz", Color::light_grey()},
{{0, 4 * 16}, "RESOLUTION: (fft trigger)", Color::light_grey()}
};
NumberField field_frequency_min {
{ 4 * 8, 0 * 16 },
4,
{ 0, 6960 },
240,
' '
};
NumberField field_frequency_max {
{ 13 * 8, 0 * 16 },
4,
{ 240, 7200 },
240,
' '
};
LNAGainField field_lna {
{ 21 * 8, 0 * 16 }
};
VGAGainField field_vga {
{ 27 * 8, 0 * 16 }
};
Text text_range{
{7 * 8, 1 * 16, 4 * 8, 16},
""};
OptionsField filter_config{
{19 * 8, 1 * 16},
4,
{
{"OFF ", 0},
{"MID ", 118}, //85 +25 (110) + a bit more to kill all blue
{"HIGH", 202}, //168 + 25 (193)
}};
RFAmpField field_rf_amp{
{29 * 8, 1 * 16}};
OptionsField range_presets{
{7 * 8, 2 * 16},
20,
{
{" NONE (WIFI 2.4GHz)", 0},
}};
NumberField field_marker{
{7 * 8, 3 * 16},
4,
{0, 7200},
25,
' '};
Text text_marker_pm{
{20 * 8, 3 * 16, 2 * 8, 16},
""};
NumberField field_trigger{
{11 * 8, 4 * 16},
3,
{2, 128},
2,
' '};
MessageHandlerRegistration message_handler_spectrum_config {
Message::ID::ChannelSpectrumConfig,
[this](const Message* const p) {
const auto message = *reinterpret_cast<const ChannelSpectrumConfigMessage*>(p);
this->fifo = message.fifo;
}
};
MessageHandlerRegistration message_handler_frame_sync {
Message::ID::DisplayFrameSync,
[this](const Message* const) {
if( this->fifo ) {
ChannelSpectrum channel_spectrum;
while( fifo->out(channel_spectrum) ) {
this->on_channel_spectrum(channel_spectrum);
}
}
}
};
};
}

View File

@ -81,7 +81,7 @@
#include "tpms_app.hpp"
#include "core_control.hpp"
#include "ui_looking_glass_app.hpp"
#include "file.hpp"
#include "png_writer.hpp"
@ -548,6 +548,7 @@ SystemMenuView::SystemMenuView(NavigationView& nav) {
{ "Tools", ui::Color::cyan(), &bitmap_icon_utilities, [&nav](){ nav.push<UtilitiesMenuView>(); } },
{ "Options", ui::Color::cyan(), &bitmap_icon_setup, [&nav](){ nav.push<SettingsMenuView>(); } },
{ "Debug", ui::Color::light_grey(), &bitmap_icon_debug, [&nav](){ nav.push<DebugMenuView>(); } },
{ "Lookin'Glass", ui::Color::red(), &bitmap_icon_search, [&nav](){ nav.push<GlassView>(); } },
{ "HackRF", ui::Color::cyan(), &bitmap_icon_hackrf, [this, &nav](){ hackrf_mode(nav); } },
//{ "About", ui::Color::cyan(), nullptr, [&nav](){ nav.push<AboutView>(); } }
});

View File

@ -0,0 +1,11 @@
# INI,END,DESCRIPTION
# (Freq range in MHz, min separation 240MHz)
# (Description up to 20 char)
# (fields comma delimiter)
260,500,315/433 MHz KEYFOBS
2320,2560,BL / WIFI 2.4GHz
5160,5900,WIFI 5GHz
10,7250,FULL RANGE
140,380,VHF MICS AND MARINE
390,420,RADIOSONDES
420,660,UHF MICS