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New "looking Glass" app

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Capable of showing a cascade with full bandwidth scan. You can select Min and Max Mhz for the cascade.

You can move a marker so to (aproximately) know  a particular frequency on the cascade. If you press the select button, the app will jump into the RX -> AUDIO app, already tuned into the just "marked" frequency.

This first version SURELY has space for lots of optimizations and improvement in general.
This commit is contained in:
euquiq 2020-10-21 13:21:34 -03:00
parent af3130faa8
commit 01ba7a57ea
4 changed files with 391 additions and 1 deletions
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1
firmware/application/CMakeLists.txt
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@ -231,6 +231,7 @@ set(CPPSRC
apps/ui_keyfob.cpp apps/ui_keyfob.cpp
apps/ui_lcr.cpp apps/ui_lcr.cpp
apps/lge_app.cpp apps/lge_app.cpp
apps/ui_looking_glass_app.cpp
apps/ui_mictx.cpp apps/ui_mictx.cpp
apps/ui_modemsetup.cpp apps/ui_modemsetup.cpp
apps/ui_morse.cpp apps/ui_morse.cpp

226
firmware/application/apps/ui_looking_glass_app.cpp Normal file
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@ -0,0 +1,226 @@
/*
* 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)
{
uint8_t max_power = 0;
baseband::spectrum_streaming_stop();
// Convert bins of this spectrum slice into a representative max_power and when enough, into pixels
for (uint16_t bin = 0; bin < 256; bin++) //Spectrum.db has 256 bins
{ // Center 12 bins are ignored (DC spike is blanked) Leftmost and rightmost 2 bins are ignored
if (bin > 1 && bin < 122) //> 1
{
if (spectrum.db[128 + bin] > max_power)
max_power = spectrum.db[128 + bin];
}
else if (bin > 133 && bin < 254) // < 254
{
if (spectrum.db[bin - 128] > max_power)
max_power = spectrum.db[bin - 128];
}
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;
bins_Hz_size = 0;
if (!pixel_index) //a waterfall line has been completed
break;
}
}
if (pixel_index)
f_center += SEARCH_SLICE_WIDTH; //Move into the next bandwidth slice
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()
{
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
field_marker.set_step(marker_pixel_step / MHZ_DIV); //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
bins_Hz_size = 0; //reset amount of Hz filled up by pixels
receiver_model.set_tuning_frequency(f_center_ini); //tune rx for this slice
}
void GlassView::PlotMarker(double pos)
{
pos = pos * MHZ_DIV;
pos -= f_min;
pos = pos / marker_pixel_step; //Real pixel
portapack::display.fill_rectangle({0, 84, 240, 4}, Color::black()); //Clear old marker and whole marker rectangle btw
portapack::display.fill_rectangle({pos - 1, 84, 3, 4}, 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,
&field_marker,
&text_marker_pm
});
field_frequency_min.set_value(2400);
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(2640);
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;
};
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
};
display.scroll_set_area( 88, 319);
baseband::set_spectrum(SEARCH_SLICE_WIDTH, 16); // Trigger was 31. Need to understand this parameter.
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();
}
}

162
firmware/application/apps/ui_looking_glass_app.hpp Normal file
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@ -0,0 +1,162 @@
/*
* 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_;
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(double pos);
rf::Frequency f_min { 0 }, f_max { 0 };
rf::Frequency search_span { 0 };
rf::Frequency f_center { 0 };
rf::Frequency f_center_ini { 0 };
double marker_pixel_step { 0 };
rf::Frequency each_bin_size { SEARCH_SLICE_WIDTH / 256 };
rf::Frequency bins_Hz_size { 0 };
uint8_t timing_div { 0 };
uint8_t min_color_power { 0 };
uint32_t pixel_index { 0 };
std::array<Color, 240> spectrum_row = { 0 };
ChannelSpectrumFIFO* fifo { nullptr };
Labels labels {
{ { 0, 0 }, "MIN: MAX: LNA VGA ", Color::light_grey() },
{ { 0, 1 * 16 }, "RANGE: FILTER: AMP:", Color::light_grey() },
{ { 0, 2 * 16 }, "MARKER: MHz +/- MHz", 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 {
{ 6 * 8, 1 * 16, 4 * 8, 16 },
""
};
OptionsField filter_config {
{ 18 * 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 }
};
Text text_marker {
{ 8 * 8, 2 * 16, 4 * 8, 16 },
""
};
NumberField field_marker {
{ 7 * 8, 2 * 16 },
4,
{ 0, 6000 },
25,
' '
};
Text text_marker_pm {
{ 20 * 8, 2 * 16, 2 * 8, 16 },
""
};
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);
}
}
}
};
};
}

3
firmware/application/ui_navigation.cpp
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@ -81,7 +81,7 @@
#include "tpms_app.hpp" #include "tpms_app.hpp"
#include "core_control.hpp" #include "core_control.hpp"
#include "ui_looking_glass_app.hpp"
#include "file.hpp" #include "file.hpp"
#include "png_writer.hpp" #include "png_writer.hpp"
@ -527,6 +527,7 @@ SystemMenuView::SystemMenuView(NavigationView& nav) {
{ "Tools", ui::Color::cyan(), &bitmap_icon_utilities, [&nav](){ nav.push<UtilitiesMenuView>(); } }, { "Tools", ui::Color::cyan(), &bitmap_icon_utilities, [&nav](){ nav.push<UtilitiesMenuView>(); } },
{ "Options", ui::Color::cyan(), &bitmap_icon_setup, [&nav](){ nav.push<SettingsMenuView>(); } }, { "Options", ui::Color::cyan(), &bitmap_icon_setup, [&nav](){ nav.push<SettingsMenuView>(); } },
{ "Debug", ui::Color::light_grey(), &bitmap_icon_debug, [&nav](){ nav.push<DebugMenuView>(); } }, { "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); } }, { "HackRF", ui::Color::cyan(), &bitmap_icon_hackrf, [this, &nav](){ hackrf_mode(nav); } },
//{ "About", ui::Color::cyan(), nullptr, [&nav](){ nav.push<AboutView>(); } } //{ "About", ui::Color::cyan(), nullptr, [&nav](){ nav.push<AboutView>(); } }
}); });