Fix bug that created by PR "Added menu group for transceivers" (#2630)

* _

* format

* format

* format

firmware/application/CMakeLists.txt

@@ -191,6 +191,7 @@ set(CPPSRC
 	clock_manager.cpp
 	core_control.cpp
 	database.cpp
+	gradient.cpp
 	rfm69.cpp
 	event_m0.cpp
 	file_reader.cpp

firmware/application/apps/ble_rx_app.cpp

@@ -21,7 +21,6 @@
  * Boston, MA 02110-1301, USA.
  */
 
-#include "ble_rx_app.hpp"
 #include "ble_rx_app.hpp"
 #include "ui_modemsetup.hpp"
 

firmware/application/apps/ui_external_module_view.cpp

@@ -92,6 +92,9 @@ void ExternalModuleView::on_tick_second() {
             case app_location_t::TX:
                 btnText += " (TX)";
                 break;
+            case app_location_t::TRX:
+                btnText += " (TRX)";
+                break;
             case app_location_t::SETTINGS:
                 btnText += " (Settings)";
                 break;

firmware/application/apps/ui_fileman.cpp

@@ -419,6 +419,17 @@ void FileManBaseView::reload_current(bool reset_pagination) {
     refresh_list();
 }
 
+void FileManBaseView::copy_waterfall(std::filesystem::path path) {
+    nav_.push<ModalMessageView>(
+        "Install", " Use this gradient file\n for all waterfalls?", YESNO,
+        [this, path](bool choice) {
+            if (choice) {
+                delete_file(default_gradient_file);
+                copy_file(path, default_gradient_file);
+            }
+        });
+}
+
 const FileManBaseView::file_assoc_t& FileManBaseView::get_assoc(
     const fs::path& ext) const {
     size_t index = 0;
@@ -685,7 +696,11 @@ bool FileManagerView::handle_file_open() {
     auto ext = path.extension();
 
     if (path_iequal(txt_ext, ext)) {
-        nav_.push<TextEditorView>(path);
+        if (path_iequal(current_path, u"/" + waterfalls_dir)) {
+            copy_waterfall(path);
+        } else {
+            nav_.push<TextEditorView>(path);
+        }
         return true;
     } else if (is_cxx_capture_file(path) || path_iequal(ppl_ext, ext)) {
         // TODO: Enough memory to push?

firmware/application/apps/ui_fileman.hpp

@@ -96,6 +96,7 @@ class FileManBaseView : public View {
     void load_directory_contents(const std::filesystem::path& dir_path);
     void load_directory_contents_unordered(const std::filesystem::path& dir_path, size_t file_cnt);
     const file_assoc_t& get_assoc(const std::filesystem::path& ext) const;
+    void copy_waterfall(std::filesystem::path path);
 
     NavigationView& nav_;
 

firmware/application/apps/ui_freqman.cpp

@@ -46,7 +46,7 @@ using options_db_t = std::vector<option_db_t>;
 
 extern options_db_t freqman_modulations;
 extern options_db_t freqman_bandwidths[5];
-extern options_db_t freqman_steps;
+// extern options_db_t freqman_steps; // now included via ui_receiver.hpp
 extern options_db_t freqman_steps_short;
 
 options_t dboptions_to_options(const options_db_t& dboptions) {

firmware/application/apps/ui_looking_glass_app.cpp

@@ -126,7 +126,7 @@ void GlassView::reset_live_view() {
 }
 
 void GlassView::add_spectrum_pixel(uint8_t power) {
-    spectrum_row[pixel_index] = spectrum_rgb3_lut[power];                                                                           // row of colors
+    spectrum_row[pixel_index] = gradient.lut[power];                                                                                // row of colors
     spectrum_data[pixel_index] = (live_frequency_integrate * spectrum_data[pixel_index] + power) / (live_frequency_integrate + 1);  // smoothing
     pixel_index++;
 
@@ -359,6 +359,10 @@ GlassView::GlassView(
     : nav_(nav) {
     baseband::run_image(portapack::spi_flash::image_tag_wideband_spectrum);
 
+    if (!gradient.load_file(default_gradient_file)) {
+        gradient.set_default();
+    }
+
     add_children({&labels,
                   &field_frequency_min,
                   &field_frequency_max,

firmware/application/apps/ui_looking_glass_app.hpp

@@ -35,7 +35,7 @@
 #include "ui_receiver.hpp"
 #include "string_format.hpp"
 #include "analog_audio_app.hpp"
-#include "spectrum_color_lut.hpp"
+#include "gradient.hpp"
 
 namespace ui {
 
@@ -74,6 +74,7 @@ class GlassView : public View {
 
    private:
     NavigationView& nav_;
+    Gradient gradient{};
     RxRadioState radio_state_{ReceiverModel::Mode::SpectrumAnalysis};
     // Settings
     rf::Frequency f_min = 260 * MHZ_DIV;  // Default to 315/433 remote range.

firmware/application/apps/ui_search.cpp

@@ -56,6 +56,10 @@ SearchView::SearchView(
     : nav_(nav) {
     baseband::run_image(portapack::spi_flash::image_tag_wideband_spectrum);
 
+    if (!gradient.load_file(default_gradient_file)) {
+        gradient.set_default();
+    }
+
     add_children({&labels,
                   &field_frequency_min,
                   &field_frequency_max,
@@ -290,7 +294,7 @@ void SearchView::on_channel_spectrum(const ChannelSpectrum& spectrum) {
                 power = spectrum.db[bin - 128];
         }
 
-        add_spectrum_pixel(spectrum_rgb3_lut[power]);
+        add_spectrum_pixel(gradient.lut[power]);
 
         mean_acc += power;
         if (power > max_power) {

firmware/application/apps/ui_search.hpp

@@ -24,7 +24,7 @@
 #include "receiver_model.hpp"
 #include "recent_entries.hpp"
 #include "radio_state.hpp"
-#include "spectrum_color_lut.hpp"
+#include "gradient.hpp"
 #include "ui_receiver.hpp"
 
 namespace ui {
@@ -88,6 +88,7 @@ class SearchView : public View {
 
    private:
     NavigationView& nav_;
+    Gradient gradient{};
     RxRadioState radio_state_{
         100'000'000 /* frequency */,
         2500000 /* bandwidth */,

firmware/application/apps/ui_settings.cpp

@@ -810,30 +810,29 @@ SetDisplayView::SetDisplayView(NavigationView& nav) {
                   &field_fake_brightness,
                   &button_save,
                   &button_cancel,
-                  &checkbox_invert_switch,
+                  &checkbox_ips_screen_switch,
                   &checkbox_brightness_switch});
 
     field_fake_brightness.set_by_value(pmem::fake_brightness_level());
     checkbox_brightness_switch.set_value(pmem::apply_fake_brightness());
-    checkbox_invert_switch.set_value(pmem::config_lcd_inverted_mode());
+    checkbox_ips_screen_switch.set_value(pmem::config_lcd_normally_black());
 
     button_save.on_select = [&nav, this](Button&) {
         pmem::set_apply_fake_brightness(checkbox_brightness_switch.value());
         pmem::set_fake_brightness_level(field_fake_brightness.selected_index_value());
-        if (checkbox_invert_switch.value() != pmem::config_lcd_inverted_mode()) {
-            display.set_inverted(checkbox_invert_switch.value());
-            pmem::set_lcd_inverted_mode(checkbox_invert_switch.value());
+        if (checkbox_ips_screen_switch.value() != pmem::config_lcd_normally_black()) {
+            pmem::set_lcd_normally_black(checkbox_ips_screen_switch.value());
         }
         send_system_refresh();
         nav.pop();
     };
 
     // only enable invert OR fake brightness
-    checkbox_invert_switch.on_select = [this](Checkbox&, bool v) {
+    checkbox_ips_screen_switch.on_select = [this](Checkbox&, bool v) {
         if (v) checkbox_brightness_switch.set_value(false);
     };
     checkbox_brightness_switch.on_select = [this](Checkbox&, bool v) {
-        if (v) checkbox_invert_switch.set_value(false);
+        if (v) checkbox_ips_screen_switch.set_value(false);
     };
 
     button_cancel.on_select = [&nav, this](Button&) {
@@ -1044,12 +1043,14 @@ SetBatteryView::SetBatteryView(NavigationView& nav) {
     add_children({&labels,
                   &button_save,
                   &button_cancel,
-                  &checkbox_overridebatt});
+                  &checkbox_overridebatt,
+                  &checkbox_battery_charge_hint});
 
     if (i2cdev::I2CDevManager::get_dev_by_model(I2C_DEVMDL::I2CDEVMDL_MAX17055)) add_children({&button_reset, &labels2});
 
     button_save.on_select = [&nav, this](Button&) {
         pmem::set_ui_override_batt_calc(checkbox_overridebatt.value());
+        pmem::set_ui_battery_charge_hint(checkbox_battery_charge_hint.value());
         battery::BatteryManagement::set_calc_override(checkbox_overridebatt.value());
         send_system_refresh();
         nav.pop();
@@ -1064,6 +1065,7 @@ SetBatteryView::SetBatteryView(NavigationView& nav) {
     };
 
     checkbox_overridebatt.set_value(pmem::ui_override_batt_calc());
+    checkbox_battery_charge_hint.set_value(pmem::ui_battery_charge_hint());
 
     button_cancel.on_select = [&nav, this](Button&) {
         nav.pop();

firmware/application/apps/ui_settings.hpp

@@ -762,6 +762,8 @@ class SetDisplayView : public View {
         {{1 * 8, 2 * 16}, "(has a small performance", Theme::getInstance()->fg_light->foreground},
         {{1 * 8, 3 * 16}, "impact when enabled).", Theme::getInstance()->fg_light->foreground},
         {{2 * 8, 8 * 16}, "Brightness:", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 10 * 16}, "REBOOT TO APPLY SCREEN TYPE", Theme::getInstance()->fg_light->foreground},
+
     };
 
     OptionsField field_fake_brightness{
@@ -776,10 +778,10 @@ class SetDisplayView : public View {
         16,
         "Enable brightness adjust"};
 
-    Checkbox checkbox_invert_switch{
-        {1 * 8, 10 * 16},
+    Checkbox checkbox_ips_screen_switch{
+        {1 * 8, 12 * 16},
         23,
-        "Invert colors (For IPS)"};
+        "IPS Screen"};
 
     Button button_save{
         {2 * 8, 16 * 16, 12 * 8, 32},
@@ -978,9 +980,13 @@ class SetBatteryView : public View {
     int32_t selected = 0;
     Labels labels{
         {{1 * 8, 1 * 16}, "Override batt calculation", Theme::getInstance()->fg_light->foreground},
-        {{1 * 8, 2 * 16}, "method to voltage based", Theme::getInstance()->fg_light->foreground}};
-    Labels labels2{
-        {{1 * 8, 6 * 16}, "Reset IC's learned params.", Theme::getInstance()->fg_light->foreground}};
+        {{1 * 8, 2 * 16}, "method to voltage based", Theme::getInstance()->fg_light->foreground},
+        /**/
+        {{1 * 8, 6 * 16}, "Display a hint to remind you", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 7 * 16}, "when you charge", Theme::getInstance()->fg_light->foreground}};
+
+    Labels labels2{{{1 * 8, 11 * 16}, "Reset IC's learned params.", Theme::getInstance()->fg_light->foreground}};
+
     Button button_save{
         {2 * 8, 16 * 16, 12 * 8, 32},
         "Save"};
@@ -990,13 +996,18 @@ class SetBatteryView : public View {
         23,
         "Override"};
 
+    Checkbox checkbox_battery_charge_hint{
+        {2 * 8, 9 * 16},
+        23,
+        "Charge hint"};
+
     Button button_cancel{
         {16 * 8, 16 * 16, 12 * 8, 32},
         "Cancel",
     };
 
     Button button_reset{
-        {2 * 8, 8 * 16, 12 * 8, 32},
+        {2 * 8, 13 * 16, 12 * 8, 32},
         "Reset",
     };
 };

firmware/application/external/debug_pmem/ui_debug_pmem.cpp

@@ -80,7 +80,7 @@ bool DebugDumpView::debug_dump_func() {
     pmem_dump_file.write_line("updown_converter: " + to_string_dec_int(config_updown_converter()));
     pmem_dump_file.write_line("updown_frequency_rx_correction: " + to_string_dec_int(config_freq_rx_correction_updown()));
     pmem_dump_file.write_line("updown_frequency_tx_correction: " + to_string_dec_int(config_freq_tx_correction_updown()));
-    pmem_dump_file.write_line("lcd_inverted_mode: " + to_string_dec_uint(config_lcd_inverted_mode()));
+    pmem_dump_file.write_line("lcd_normally_black: " + to_string_dec_uint(config_lcd_normally_black()));
     pmem_dump_file.write_line("converter_frequency_offset: " + to_string_dec_int(config_converter_freq()));
     pmem_dump_file.write_line("frequency_rx_correction: " + to_string_dec_uint(config_freq_rx_correction()));
     pmem_dump_file.write_line("frequency_tx_correction: " + to_string_dec_uint(config_freq_tx_correction()));
@@ -128,6 +128,7 @@ bool DebugDumpView::debug_dump_func() {
     pmem_dump_file.write_line("ui_config2 button_repeat_delay: " + to_string_dec_uint(ui_button_repeat_delay()));
     pmem_dump_file.write_line("ui_config2 button_repeat_speed: " + to_string_dec_uint(ui_button_repeat_speed()));
     pmem_dump_file.write_line("ui_config2 button_long_press_delay: " + to_string_dec_uint(ui_button_long_press_delay()));
+    pmem_dump_file.write_line("ui_config2 battery_charge_hint: " + to_string_dec_uint(ui_battery_charge_hint()));
 
     // misc_config bits
     pmem_dump_file.write_line("misc_config config_audio_mute: " + to_string_dec_int(config_audio_mute()));

firmware/application/external/external.cmake

@@ -203,6 +203,10 @@ set(EXTCPPSRC
 	#level
 	external/level/main.cpp
 	external/level/ui_level.cpp
+
+	#gfxEQ
+	external/gfxeq/main.cpp
+	external/gfxeq/ui_gfxeq.cpp	
 )
 
 set(EXTAPPLIST
@@ -255,4 +259,5 @@ set(EXTAPPLIST
 	debug_pmem
 	scanner
 	level
+	gfxeq
 )

firmware/application/external/external.ld

@@ -72,6 +72,7 @@ MEMORY
     ram_external_app_debug_pmem (rwx) : org = 0xADDF0000, len = 32k
     ram_external_app_scanner    (rwx) : org = 0xADE00000, len = 32k
     ram_external_app_level      (rwx) : org = 0xADE10000, len = 32k
+    ram_external_app_gfxeq      (rwx) : org = 0xADE20000, len = 32k
 }
 
 SECTIONS
@@ -368,4 +369,10 @@ SECTIONS
         KEEP(*(.external_app.app_level.application_information));
         *(*ui*external_app*level*);
     } > ram_external_app_level
+
+    .external_app_gfxeq : ALIGN(4) SUBALIGN(4)
+    {
+        KEEP(*(.external_app.app_gfxeq.application_information));
+        *(*ui*external_app*gfxeq*);
+    } > ram_external_app_gfxeq
 }

firmware/application/external/gfxeq/main.cpp

@@ -0,0 +1,36 @@
+/*
+ * ------------------------------------------------------------
+ * |  Made by RocketGod                                       |
+ * |  Find me at https://betaskynet.com                       |
+ * |  Argh matey!                                             |
+ * ------------------------------------------------------------
+ */
+
+#include "ui_gfxeq.hpp"
+#include "ui_navigation.hpp"
+#include "external_app.hpp"
+
+namespace ui::external_app::gfxeq {
+void initialize_app(ui::NavigationView& nav) {
+    nav.push<gfxEQView>();
+}
+}  // namespace ui::external_app::gfxeq
+
+extern "C" {
+__attribute__((section(".external_app.app_gfxeq.application_information"), used)) application_information_t _application_information_gfxeq = {
+    (uint8_t*)0x00000000,
+    ui::external_app::gfxeq::initialize_app,
+    CURRENT_HEADER_VERSION,
+    VERSION_MD5,
+    "gfxEQ",
+    {0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+     0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
+     0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF},
+    ui::Color::green().v,
+    app_location_t::RX,
+    -1,
+    {'P', 'N', 'F', 'M'},
+    0x00000000,
+};
+
+}  // namespace ui::external_app::gfxeq

firmware/application/external/gfxeq/ui_gfxeq.cpp

@@ -0,0 +1,196 @@
+/*
+ * ------------------------------------------------------------
+ * |  Made by RocketGod                                       |
+ * |  Find me at https://betaskynet.com                       |
+ * |  Argh matey!                                             |
+ * ------------------------------------------------------------
+ */
+
+#include "ui_gfxeq.hpp"
+#include "ui.hpp"
+#include "ui_freqman.hpp"
+#include "tone_key.hpp"
+#include "analog_audio_app.hpp"
+#include "portapack.hpp"
+#include "audio.hpp"
+#include "baseband_api.hpp"
+#include "dsp_fir_taps.hpp"
+
+using namespace portapack;
+
+namespace ui::external_app::gfxeq {
+
+gfxEQView::gfxEQView(NavigationView& nav)
+    : nav_{nav}, bar_heights(NUM_BARS, 0), prev_bar_heights(NUM_BARS, 0) {
+    add_children({&button_frequency, &field_rf_amp, &field_lna, &field_vga,
+                  &button_mood, &field_volume});
+
+    audio::output::stop();
+    receiver_model.disable();
+    baseband::shutdown();
+
+    baseband::run_image(portapack::spi_flash::image_tag_wfm_audio);
+
+    receiver_model.set_modulation(ReceiverModel::Mode::WidebandFMAudio);
+    receiver_model.set_wfm_configuration(1);  // 200k => 0 , 180k => 1 , 40k => 2. Set to 1 or 2 for better reception
+    receiver_model.set_sampling_rate(3072000);
+    receiver_model.set_baseband_bandwidth(1750000);
+
+    audio::set_rate(audio::Rate::Hz_48000);
+    audio::output::start();
+    receiver_model.set_headphone_volume(receiver_model.headphone_volume());  // WM8731 hack
+                                                                             //
+    receiver_model.enable();
+
+    receiver_model.set_target_frequency(frequency_value);  // Retune to actual freq
+    button_frequency.set_text("<" + to_string_short_freq(frequency_value) + ">");
+
+    button_frequency.on_select = [this, &nav](ButtonWithEncoder& button) {
+        auto new_view = nav_.push<FrequencyKeypadView>(frequency_value);
+        new_view->on_changed = [this, &button](rf::Frequency f) {
+            frequency_value = f;
+            receiver_model.set_target_frequency(f);  // Retune to actual freq
+            button_frequency.set_text("<" + to_string_short_freq(frequency_value) + ">");
+        };
+    };
+
+    button_frequency.on_change = [this]() {
+        int64_t def_step = 25000;
+        frequency_value = frequency_value + (button_frequency.get_encoder_delta() * def_step);
+        if (frequency_value < 1) {
+            frequency_value = 1;
+        }
+        if (frequency_value > (MAX_UFREQ - def_step)) {
+            frequency_value = MAX_UFREQ;
+        }
+        button_frequency.set_encoder_delta(0);
+        receiver_model.set_target_frequency(frequency_value);  // Retune to actual freq
+        button_frequency.set_text("<" + to_string_short_freq(frequency_value) + ">");
+    };
+
+    button_mood.on_select = [this](Button&) { this->cycle_theme(); };
+}
+
+// needed to answer usb serial frequency set
+void gfxEQView::on_freqchg(int64_t freq) {
+    receiver_model.set_target_frequency(freq);  // Retune to actual freq
+    button_frequency.set_text("<" + to_string_short_freq(freq) + ">");
+}
+
+gfxEQView::~gfxEQView() {
+    audio::output::stop();
+    receiver_model.disable();
+    baseband::shutdown();
+}
+
+void gfxEQView::focus() {
+    button_frequency.focus();
+}
+
+void gfxEQView::on_show() {
+    needs_background_redraw = true;
+}
+
+void gfxEQView::on_hide() {
+    needs_background_redraw = true;
+}
+
+void gfxEQView::update_audio_spectrum(const AudioSpectrum& spectrum) {
+    const float bin_frequency_size = 48000.0f / 128;
+
+    for (int bar = 0; bar < NUM_BARS; bar++) {
+        float start_freq = FREQUENCY_BANDS[bar];
+        float end_freq = FREQUENCY_BANDS[bar + 1];
+
+        int start_bin = std::max(1, (int)(start_freq / bin_frequency_size));
+        int end_bin = std::min(127, (int)(end_freq / bin_frequency_size));
+
+        if (start_bin >= end_bin) {
+            end_bin = start_bin + 1;
+        }
+
+        float total_energy = 0;
+        int bin_count = 0;
+
+        for (int bin = start_bin; bin <= end_bin; bin++) {
+            total_energy += spectrum.db[bin];
+            bin_count++;
+        }
+
+        float avg_db = bin_count > 0 ? (total_energy / bin_count) : 0;
+
+        // Manually boost highs for better visual balance
+        float treble_boost = 1.0f;
+        if (bar == 10)
+            treble_boost = 1.7f;
+        else if (bar >= 9)
+            treble_boost = 1.3f;
+        else if (bar >= 7)
+            treble_boost = 1.3f;
+
+        // Mid emphasis for a V-shape effect
+        float mid_boost = 1.0f;
+        if (bar == 4 || bar == 5 || bar == 6) mid_boost = 1.2f;
+
+        float amplified_db = avg_db * treble_boost * mid_boost;
+
+        if (amplified_db > 255) amplified_db = 255;
+
+        float band_scale = 1.0f;
+        int target_height = (amplified_db * RENDER_HEIGHT * band_scale) / 255;
+
+        if (target_height > RENDER_HEIGHT) {
+            target_height = RENDER_HEIGHT;
+        }
+
+        // Adjusted to look nice to my eyes
+        float rise_speed = 0.8f;
+        float fall_speed = 1.0f;
+
+        if (target_height > bar_heights[bar]) {
+            bar_heights[bar] = bar_heights[bar] * (1.0f - rise_speed) + target_height * rise_speed;
+        } else {
+            bar_heights[bar] = bar_heights[bar] * (1.0f - fall_speed) + target_height * fall_speed;
+        }
+    }
+}
+
+void gfxEQView::render_equalizer(Painter& painter) {
+    const int num_segments = RENDER_HEIGHT / SEGMENT_HEIGHT;
+    const ColorTheme& theme = themes[current_theme];
+
+    for (int bar = 0; bar < NUM_BARS; bar++) {
+        int x = HORIZONTAL_OFFSET + bar * (BAR_WIDTH + BAR_SPACING);
+        int active_segments = (bar_heights[bar] * num_segments) / RENDER_HEIGHT;
+
+        if (prev_bar_heights[bar] > active_segments) {
+            int clear_height = (prev_bar_heights[bar] - active_segments) * SEGMENT_HEIGHT;
+            int clear_y = SCREEN_HEIGHT - prev_bar_heights[bar] * SEGMENT_HEIGHT;
+            painter.fill_rectangle({x, clear_y, BAR_WIDTH, clear_height}, Color(0, 0, 0));
+        }
+
+        for (int seg = 0; seg < active_segments; seg++) {
+            int y = SCREEN_HEIGHT - (seg + 1) * SEGMENT_HEIGHT;
+            if (y < header_height) break;
+
+            Color segment_color = (seg >= active_segments - 2 && seg < active_segments) ? theme.peak_color : theme.base_color;
+            painter.fill_rectangle({x, y, BAR_WIDTH, SEGMENT_HEIGHT - 1}, segment_color);
+        }
+
+        prev_bar_heights[bar] = active_segments;
+    }
+}
+
+void gfxEQView::paint(Painter& painter) {
+    if (needs_background_redraw) {
+        painter.fill_rectangle({0, header_height, SCREEN_WIDTH, RENDER_HEIGHT}, Color(0, 0, 0));
+        needs_background_redraw = false;
+    }
+    render_equalizer(painter);
+}
+
+void gfxEQView::cycle_theme() {
+    current_theme = (current_theme + 1) % themes.size();
+}
+
+}  // namespace ui::external_app::gfxeq

firmware/application/external/gfxeq/ui_gfxeq.hpp

@@ -0,0 +1,138 @@
+/*
+ * ------------------------------------------------------------
+ * |  Made by RocketGod                                       |
+ * |  Find me at https://betaskynet.com                       |
+ * |  Argh matey!                                             |
+ * ------------------------------------------------------------
+ */
+
+#ifndef __UI_GFXEQ_HPP__
+#define __UI_GFXEQ_HPP__
+
+#include "ui_widget.hpp"
+#include "ui_navigation.hpp"
+#include "ui_receiver.hpp"
+#include "message.hpp"
+#include "baseband_api.hpp"
+#include "portapack.hpp"
+#include "ui_spectrum.hpp"
+#include "ui_freq_field.hpp"
+#include "app_settings.hpp"
+#include "radio_state.hpp"
+
+namespace ui::external_app::gfxeq {
+
+class gfxEQView : public View {
+   public:
+    gfxEQView(NavigationView& nav);
+    ~gfxEQView();
+
+    gfxEQView(const gfxEQView&) = delete;
+    gfxEQView& operator=(const gfxEQView&) = delete;
+
+    void focus() override;
+    std::string title() const override { return "gfxEQ"; }
+    void on_show() override;
+    void on_hide() override;
+
+    void paint(Painter& painter) override;
+    void on_freqchg(int64_t freq);
+
+   private:
+    static constexpr ui::Dim header_height = 2 * 16;
+    static constexpr int SCREEN_WIDTH = 240;
+    static constexpr int SCREEN_HEIGHT = 320;
+    static constexpr int RENDER_HEIGHT = 288;
+    static constexpr int NUM_BARS = 11;
+    static constexpr int BAR_SPACING = 2;
+    static constexpr int BAR_WIDTH = (SCREEN_WIDTH - (BAR_SPACING * (NUM_BARS - 1))) / NUM_BARS;
+    static constexpr int HORIZONTAL_OFFSET = 2;
+    static constexpr int SEGMENT_HEIGHT = 10;
+
+    static constexpr std::array<int, NUM_BARS + 1> FREQUENCY_BANDS = {
+        375,    // Bass warmth and low rumble (e.g., deep basslines, kick drum body)
+        750,    // Upper bass punch (e.g., bass guitar punch, kick drum attack)
+        1500,   // Lower midrange fullness (e.g., warmth in vocals, guitar body)
+        2250,   // Midrange clarity (e.g., vocal presence, snare crack)
+        3375,   // Upper midrange bite (e.g., instrument definition, vocal articulation)
+        4875,   // Presence and edge (e.g., guitar bite, vocal sibilance start)
+        6750,   // Lower brilliance (e.g., cymbal shimmer, vocal clarity)
+        9375,   // Brilliance and air (e.g., hi-hat crispness, breathy vocals)
+        13125,  // High treble sparkle (e.g., subtle overtones, synth shimmer)
+        16875,  // Upper treble airiness (e.g., faint harmonics, room ambiance)
+        20625,  // Top-end sheen (e.g., ultra-high harmonics, noise floor)
+        24375   // Extreme treble limit (e.g., inaudible overtones, signal cutoff, static)
+    };
+
+    struct ColorTheme {
+        Color base_color;
+        Color peak_color;
+    };
+
+    NavigationView& nav_;
+    bool needs_background_redraw{false};
+    std::vector<int> bar_heights;
+    std::vector<int> prev_bar_heights;
+    uint32_t current_theme{0};
+    const std::array<ColorTheme, 20> themes{
+        ColorTheme{Color(255, 0, 255), Color(255, 255, 255)},
+        ColorTheme{Color(0, 255, 0), Color(255, 0, 0)},
+        ColorTheme{Color(0, 0, 255), Color(255, 255, 0)},
+        ColorTheme{Color(255, 128, 0), Color(255, 0, 128)},
+        ColorTheme{Color(128, 0, 255), Color(0, 255, 255)},
+        ColorTheme{Color(255, 255, 0), Color(0, 255, 128)},
+        ColorTheme{Color(255, 0, 0), Color(0, 128, 255)},
+        ColorTheme{Color(0, 255, 128), Color(255, 128, 255)},
+        ColorTheme{Color(128, 128, 128), Color(255, 255, 255)},
+        ColorTheme{Color(255, 64, 0), Color(0, 255, 64)},
+        ColorTheme{Color(0, 128, 128), Color(255, 192, 0)},
+        ColorTheme{Color(0, 255, 0), Color(0, 128, 0)},
+        ColorTheme{Color(32, 64, 32), Color(0, 255, 0)},
+        ColorTheme{Color(64, 0, 128), Color(255, 0, 255)},
+        ColorTheme{Color(0, 64, 0), Color(0, 255, 128)},
+        ColorTheme{Color(255, 255, 255), Color(0, 0, 255)},
+        ColorTheme{Color(128, 0, 0), Color(255, 128, 0)},
+        ColorTheme{Color(0, 128, 255), Color(255, 255, 128)},
+        ColorTheme{Color(64, 64, 64), Color(255, 0, 0)},
+        ColorTheme{Color(255, 192, 0), Color(0, 64, 128)}};
+
+    ButtonWithEncoder button_frequency{{0 * 8, 0 * 16 + 4, 11 * 8, 1 * 8}, ""};
+    RFAmpField field_rf_amp{{13 * 8, 0 * 16}};
+    LNAGainField field_lna{{15 * 8, 0 * 16}};
+    VGAGainField field_vga{{18 * 8, 0 * 16}};
+    Button button_mood{{21 * 8, 0, 6 * 8, 16}, "MOOD"};
+    AudioVolumeField field_volume{{28 * 8, 0 * 16}};
+
+    rf::Frequency frequency_value{93100000};
+
+    RxRadioState rx_radio_state_{};
+
+    app_settings::SettingsManager settings_{
+        "rx_gfx_eq",
+        app_settings::Mode::RX,
+        {{"theme", &current_theme},
+         {"frequency", &frequency_value}}};
+
+    void update_audio_spectrum(const AudioSpectrum& spectrum);
+    void render_equalizer(Painter& painter);
+    void cycle_theme();
+
+    MessageHandlerRegistration message_handler_audio_spectrum{
+        Message::ID::AudioSpectrum,
+        [this](const Message* const p) {
+            const auto message = *reinterpret_cast<const AudioSpectrumMessage*>(p);
+            this->update_audio_spectrum(*message.data);
+            this->set_dirty();
+        }};
+
+    MessageHandlerRegistration message_handler_freqchg{
+        Message::ID::FreqChangeCommand,
+        [this](Message* const p) {
+            const auto message = static_cast<const FreqChangeCommandMessage*>(p);
+            this->on_freqchg(message->freq);
+        }};
+};
+
+}  // namespace ui::external_app::gfxeq
+
+#endif

firmware/application/external/remote/main.cpp

@@ -75,7 +75,7 @@ __attribute__((section(".external_app.app_remote.application_information"), used
     },
     /*.icon_color = */ ui::Color::green().v,
     /*.menu_location = */ app_location_t::HOME,
-    /*.desired_menu_position = */ 4,
+    /*.desired_menu_position = */ 6,
 
     /*.m4_app_tag = portapack::spi_flash::image_tag_replay */ {'P', 'R', 'E', 'P'},
     /*.m4_app_offset = */ 0x00000000,  // will be filled at compile time

firmware/application/file_path.cpp

@@ -51,3 +51,4 @@ const std::filesystem::path whipcalc_dir = u"WHIPCALC";
 const std::filesystem::path ook_editor_dir = u"OOKFILES";
 const std::filesystem::path hopper_dir = u"HOPPER";
 const std::filesystem::path subghz_dir = u"SUBGHZ";
+const std::filesystem::path waterfalls_dir = u"WATERFALLS";

firmware/application/file_path.hpp

@@ -53,5 +53,6 @@ extern const std::filesystem::path whipcalc_dir;
 extern const std::filesystem::path ook_editor_dir;
 extern const std::filesystem::path hopper_dir;
 extern const std::filesystem::path subghz_dir;
+extern const std::filesystem::path waterfalls_dir;
 
 #endif /* __FILE_PATH_H__ */

firmware/application/gradient.cpp

@@ -0,0 +1,95 @@
+/*
+ * Copyright (C) 2025 Belousov Oleg
+ *
+ * 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 "gradient.hpp"
+
+#include "convert.hpp"
+#include "file_reader.hpp"
+namespace fs = std::filesystem;
+
+const std::filesystem::path default_gradient_file = u"waterfall.txt";
+
+Gradient::Gradient() {
+    prev_index = 0;
+    prev_r = 0;
+    prev_g = 0;
+    prev_b = 0;
+}
+
+void Gradient::set_default() {
+    step(86, 0, 0, 255);
+    step(171, 0, 255, 0);
+    step(255, 255, 0, 0);
+}
+
+bool Gradient::load_file(const std::filesystem::path& file_path) {
+    File gradient_file;
+    auto error = gradient_file.open(file_path.string());
+
+    if (error)
+        return false;
+
+    auto reader = FileLineReader(gradient_file);
+    for (const auto& line : reader) {
+        if (line.length() == 0 || line[0] == '#')
+            continue;  // Empty or comment line.
+
+        auto cols = split_string(line, ',');
+
+        if (cols.size() == 4) {
+            int16_t index, r, g, b;
+
+            if (!parse_int(cols[0], index) || index < 0 || index > 255)
+                continue;
+
+            if (!parse_int(cols[1], r) || r < 0 || r > 255)
+                continue;
+
+            if (!parse_int(cols[2], g) || g < 0 || g > 255)
+                continue;
+
+            if (!parse_int(cols[3], b) || b < 0 || b > 255)
+                continue;
+
+            step(index, r, g, b);
+        }
+    }
+
+    return true;
+}
+
+void Gradient::step(int16_t index, int16_t r, int16_t g, int16_t b) {
+    for (int16_t i = prev_index; i <= index; i++) {
+        float x = (float)(i - prev_index) / (index - prev_index);
+        float y = 1.0f - x;
+
+        int16_t new_r = prev_r * y + r * x;
+        int16_t new_g = prev_g * y + g * x;
+        int16_t new_b = prev_b * y + b * x;
+
+        lut[i] = ui::Color(new_r, new_g, new_b);
+    }
+
+    prev_index = index;
+    prev_r = r;
+    prev_g = g;
+    prev_b = b;
+}

firmware/application/gradient.hpp

@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2025 Belousov Oleg
+ *
+ * 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.
+ */
+
+#ifndef __GRADIENT_H__
+#define __GRADIENT_H__
+
+#include "ui.hpp"
+#include "file.hpp"
+
+#include <array>
+#include <cstdint>
+
+extern const std::filesystem::path default_gradient_file;
+
+class Gradient {
+   public:
+    std::array<ui::Color, 256> lut{};
+
+    Gradient();
+
+    void set_default();
+    bool load_file(const std::filesystem::path& file_path);
+
+   private:
+    int16_t prev_index = 0;
+    int16_t prev_r = 0;
+    int16_t prev_g = 0;
+    int16_t prev_b = 0;
+
+    void step(int16_t index, int16_t r, int16_t g, int16_t b);
+};
+
+#endif /* __GRADIENT_H__ */

firmware/application/portapack.cpp

@@ -538,7 +538,6 @@ init_status_t init() {
 
     set_cpu_clock_speed();
 
-    if (persistent_memory::config_lcd_inverted_mode()) display.set_inverted(true);
     /* sample max: 1023 sample_t AKA uint16_t
      * touch_sensitivity: range: 1 to 128
      * threshold range: 1023/1 to 1023/128  =  1023 to 8

firmware/application/spectrum_color_lut.cpp

@@ -280,265 +280,6 @@ const std::array<ui::Color, 256> spectrum_rgb2_lut{{
     {132, 0, 0},
 }};
 
-const std::array<ui::Color, 256> spectrum_rgb3_lut{{
-    {0, 0, 0},
-    {0, 0, 3},
-    {0, 0, 6},
-    {0, 0, 9},
-    {0, 0, 12},
-    {0, 0, 15},
-    {0, 0, 18},
-    {0, 0, 21},
-    {0, 0, 24},
-    {0, 0, 27},
-    {0, 0, 30},
-    {0, 0, 33},
-    {0, 0, 36},
-    {0, 0, 39},
-    {0, 0, 42},
-    {0, 0, 45},
-    {0, 0, 48},
-    {0, 0, 51},
-    {0, 0, 54},
-    {0, 0, 57},
-    {0, 0, 60},
-    {0, 0, 63},
-    {0, 0, 66},
-    {0, 0, 69},
-    {0, 0, 72},
-    {0, 0, 75},
-    {0, 0, 78},
-    {0, 0, 81},
-    {0, 0, 84},
-    {0, 0, 87},
-    {0, 0, 90},
-    {0, 0, 93},
-    {0, 0, 96},
-    {0, 0, 99},
-    {0, 0, 102},
-    {0, 0, 105},
-    {0, 0, 108},
-    {0, 0, 111},
-    {0, 0, 114},
-    {0, 0, 117},
-    {0, 0, 120},
-    {0, 0, 123},
-    {0, 0, 126},
-    {0, 0, 129},
-    {0, 0, 132},
-    {0, 0, 135},
-    {0, 0, 138},
-    {0, 0, 141},
-    {0, 0, 144},
-    {0, 0, 147},
-    {0, 0, 150},
-    {0, 0, 153},
-    {0, 0, 156},
-    {0, 0, 159},
-    {0, 0, 162},
-    {0, 0, 165},
-    {0, 0, 168},
-    {0, 0, 171},
-    {0, 0, 174},
-    {0, 0, 177},
-    {0, 0, 180},
-    {0, 0, 183},
-    {0, 0, 186},
-    {0, 0, 189},
-    {0, 0, 192},
-    {0, 0, 195},
-    {0, 0, 198},
-    {0, 0, 201},
-    {0, 0, 204},
-    {0, 0, 207},
-    {0, 0, 210},
-    {0, 0, 213},
-    {0, 0, 216},
-    {0, 0, 219},
-    {0, 0, 222},
-    {0, 0, 225},
-    {0, 0, 228},
-    {0, 0, 231},
-    {0, 0, 234},
-    {0, 0, 237},
-    {0, 0, 240},
-    {0, 0, 243},
-    {0, 0, 246},
-    {0, 0, 249},
-    {0, 0, 252},
-    {0, 0, 255},
-    {0, 3, 252},
-    {0, 6, 249},
-    {0, 9, 246},
-    {0, 12, 243},
-    {0, 15, 240},
-    {0, 18, 237},
-    {0, 21, 234},
-    {0, 24, 231},
-    {0, 27, 228},
-    {0, 30, 225},
-    {0, 33, 222},
-    {0, 36, 219},
-    {0, 39, 216},
-    {0, 42, 213},
-    {0, 45, 210},
-    {0, 48, 207},
-    {0, 51, 204},
-    {0, 54, 201},
-    {0, 57, 198},
-    {0, 60, 195},
-    {0, 63, 192},
-    {0, 66, 189},
-    {0, 69, 186},
-    {0, 72, 183},
-    {0, 75, 180},
-    {0, 78, 177},
-    {0, 81, 174},
-    {0, 84, 171},
-    {0, 87, 168},
-    {0, 90, 165},
-    {0, 93, 162},
-    {0, 96, 159},
-    {0, 99, 156},
-    {0, 102, 153},
-    {0, 105, 150},
-    {0, 108, 147},
-    {0, 111, 144},
-    {0, 114, 141},
-    {0, 117, 138},
-    {0, 120, 135},
-    {0, 123, 132},
-    {0, 126, 129},
-    {0, 129, 126},
-    {0, 132, 123},
-    {0, 135, 120},
-    {0, 138, 117},
-    {0, 141, 114},
-    {0, 144, 111},
-    {0, 147, 108},
-    {0, 150, 105},
-    {0, 153, 102},
-    {0, 156, 99},
-    {0, 159, 96},
-    {0, 162, 93},
-    {0, 165, 90},
-    {0, 168, 87},
-    {0, 171, 84},
-    {0, 174, 81},
-    {0, 177, 78},
-    {0, 180, 75},
-    {0, 183, 72},
-    {0, 186, 69},
-    {0, 189, 66},
-    {0, 192, 63},
-    {0, 195, 60},
-    {0, 198, 57},
-    {0, 201, 54},
-    {0, 204, 51},
-    {0, 207, 48},
-    {0, 210, 45},
-    {0, 213, 42},
-    {0, 216, 39},
-    {0, 219, 36},
-    {0, 222, 33},
-    {0, 225, 30},
-    {0, 228, 27},
-    {0, 231, 24},
-    {0, 234, 21},
-    {0, 237, 18},
-    {0, 240, 15},
-    {0, 243, 12},
-    {0, 246, 9},
-    {0, 249, 6},
-    {0, 252, 3},
-    {0, 255, 0},
-    {3, 252, 0},
-    {6, 249, 0},
-    {9, 246, 0},
-    {12, 243, 0},
-    {15, 240, 0},
-    {18, 237, 0},
-    {21, 234, 0},
-    {24, 231, 0},
-    {27, 228, 0},
-    {30, 225, 0},
-    {33, 222, 0},
-    {36, 219, 0},
-    {39, 216, 0},
-    {42, 213, 0},
-    {45, 210, 0},
-    {48, 207, 0},
-    {51, 204, 0},
-    {54, 201, 0},
-    {57, 198, 0},
-    {60, 195, 0},
-    {63, 192, 0},
-    {66, 189, 0},
-    {69, 186, 0},
-    {72, 183, 0},
-    {75, 180, 0},
-    {78, 177, 0},
-    {81, 174, 0},
-    {84, 171, 0},
-    {87, 168, 0},
-    {90, 165, 0},
-    {93, 162, 0},
-    {96, 159, 0},
-    {99, 156, 0},
-    {102, 153, 0},
-    {105, 150, 0},
-    {108, 147, 0},
-    {111, 144, 0},
-    {114, 141, 0},
-    {117, 138, 0},
-    {120, 135, 0},
-    {123, 132, 0},
-    {126, 129, 0},
-    {129, 126, 0},
-    {132, 123, 0},
-    {135, 120, 0},
-    {138, 117, 0},
-    {141, 114, 0},
-    {144, 111, 0},
-    {147, 108, 0},
-    {150, 105, 0},
-    {153, 102, 0},
-    {156, 99, 0},
-    {159, 96, 0},
-    {162, 93, 0},
-    {165, 90, 0},
-    {168, 87, 0},
-    {171, 84, 0},
-    {174, 81, 0},
-    {177, 78, 0},
-    {180, 75, 0},
-    {183, 72, 0},
-    {186, 69, 0},
-    {189, 66, 0},
-    {192, 63, 0},
-    {195, 60, 0},
-    {198, 57, 0},
-    {201, 54, 0},
-    {204, 51, 0},
-    {207, 48, 0},
-    {210, 45, 0},
-    {213, 42, 0},
-    {216, 39, 0},
-    {219, 36, 0},
-    {222, 33, 0},
-    {225, 30, 0},
-    {228, 27, 0},
-    {231, 24, 0},
-    {234, 21, 0},
-    {237, 18, 0},
-    {240, 15, 0},
-    {243, 12, 0},
-    {246, 9, 0},
-    {249, 6, 0},
-    {252, 3, 0},
-    {255, 0, 0},
-}};
-
 const std::array<ui::Color, 256> spectrum_rgb4_lut{{
     {0, 0, 0},
     {1, 1, 1},

firmware/application/spectrum_color_lut.hpp

@@ -27,7 +27,6 @@
 #include <array>
 
 extern const std::array<ui::Color, 256> spectrum_rgb2_lut;
-extern const std::array<ui::Color, 256> spectrum_rgb3_lut;
 extern const std::array<ui::Color, 256> spectrum_rgb4_lut;
 
 #endif /*__SPECTRUM_COLOR_LUT_H__*/

firmware/application/ui/ui_receiver.hpp

@@ -29,6 +29,7 @@
 
 #include "irq_controls.hpp"
 #include "rf_path.hpp"
+#include "freqman_db.hpp"
 
 #include <cstddef>
 #include <cstdint>
@@ -37,6 +38,10 @@
 
 #define MAX_UFREQ 7200000000  // maximum usable frequency
 
+using option_db_t = std::pair<std::string_view, int32_t>;
+using options_db_t = std::vector<option_db_t>;
+extern options_db_t freqman_steps;
+
 namespace ui {
 
 class FrequencyField : public Widget {
@@ -263,22 +268,12 @@ class FrequencyStepView : public OptionsField {
         : OptionsField{
               parent_pos,
               5,
-              {
-                  {"   10", 10}, /* Fine tuning SSB voice pitch,in HF and QO-100 sat #669 */
-                  {"   50", 50}, /* added 50Hz/10Hz,but we do not increase GUI digit decimal */
-                  {"  100", 100},
-                  {"  1k ", 1000},
-                  {"  3k ", 3000}, /* Approximate SSB bandwidth */
-                  {"  5k ", 5000},
-                  {"  6k3", 6250},
-                  {"  9k ", 9000}, /* channel spacing for LF, MF in some regions */
-                  {" 10k ", 10000},
-                  {" 12k5", 12500},
-                  {" 25k ", 25000},
-                  {"100k ", 100000},
-                  {"  1M ", 1000000},
-                  {" 10M ", 10000000},
-              }} {
+              {}} {
+        options_t options;
+        for (const auto& step : freqman_steps) {
+            options.emplace_back(step.first, step.second);
+        }
+        set_options(options);
     }
 };
 

firmware/application/ui/ui_spectrum.cpp

@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ * Copyleft Mr. Robot 2025
  *
  * This file is part of PortaPack.
  *
@@ -21,8 +22,6 @@
 
 #include "ui_spectrum.hpp"
 
-#include "spectrum_color_lut.hpp"
-
 #include "portapack.hpp"
 using namespace portapack;
 
@@ -102,6 +101,15 @@ void FrequencyScale::set_channel_filter(
     }
 }
 
+void FrequencyScale::set_cursor_position(const int32_t position) {
+    cursor_position = position;
+
+    cursor_position = std::min<int32_t>(cursor_position, 119);
+    cursor_position = std::max<int32_t>(cursor_position, -120);
+
+    set_dirty();
+}
+
 void FrequencyScale::paint(Painter& painter) {
     const auto r = screen_rect();
 
@@ -242,6 +250,15 @@ bool FrequencyScale::on_key(const KeyEvent key) {
     return false;
 }
 
+bool FrequencyScale::on_touch(const TouchEvent touch) {
+    if (touch.type == TouchEvent::Type::Start) {
+        if (on_select) {
+            on_select((touch.point.x() * spectrum_sampling_rate) / 240);
+        }
+    }
+    return true;
+}
+
 void FrequencyScale::on_tick_second() {
     set_dirty();
     _blink = !_blink;
@@ -271,12 +288,12 @@ void WaterfallWidget::on_channel_spectrum(
 
     std::array<Color, 240> pixel_row;
     for (size_t i = 0; i < 120; i++) {
-        const auto pixel_color = spectrum_rgb3_lut[spectrum.db[256 - 120 + i]];
+        const auto pixel_color = gradient.lut[spectrum.db[256 - 120 + i]];
         pixel_row[i] = pixel_color;
     }
 
     for (size_t i = 120; i < 240; i++) {
-        const auto pixel_color = spectrum_rgb3_lut[spectrum.db[i - 120]];
+        const auto pixel_color = gradient.lut[spectrum.db[i - 120]];
         pixel_row[i] = pixel_color;
     }
 
@@ -287,6 +304,15 @@ void WaterfallWidget::on_channel_spectrum(
         pixel_row);
 }
 
+bool WaterfallWidget::on_touch(const TouchEvent event) {
+    if (event.type == TouchEvent::Type::Start) {
+        if (on_touch_select) {
+            on_touch_select(event.point.x(), event.point.y());
+        }
+    }
+    return true;
+}
+
 void WaterfallWidget::clear() {
     display.fill_rectangle(
         screen_rect(),
@@ -305,6 +331,22 @@ WaterfallView::WaterfallView(const bool cursor) {
     frequency_scale.on_select = [this](int32_t offset) {
         if (on_select) on_select(offset);
     };
+
+    waterfall_widget.on_touch_select = [this](int32_t x, int32_t y) {
+        if (y > screen_height - screen_height * 0.1) return;  // prevent ghost touch
+
+        frequency_scale.focus();  // focus on frequency scale to show cursor
+
+        if (sampling_rate) {
+            // screen x to frequency scale x, NB we need two widgets align
+            int32_t cursor_position = x - (screen_width / 2);
+            frequency_scale.set_cursor_position(cursor_position);
+        }
+    };
+
+    if (!waterfall_widget.gradient.load_file(default_gradient_file)) {
+        waterfall_widget.gradient.set_default();
+    }
 }
 
 void WaterfallView::on_show() {

firmware/application/ui/ui_spectrum.hpp

@@ -1,5 +1,6 @@
 /*
  * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ * Copyleft Mr. Robot 2025
  *
  * This file is part of PortaPack.
  *
@@ -24,6 +25,7 @@
 
 #include "ui.hpp"
 #include "ui_widget.hpp"
+#include "gradient.hpp"
 
 #include "event_m0.hpp"
 
@@ -78,9 +80,11 @@ class FrequencyScale : public Widget {
 
     bool on_encoder(const EncoderEvent delta) override;
     bool on_key(const KeyEvent key) override;
+    bool on_touch(const TouchEvent touch) override;
 
     void set_spectrum_sampling_rate(const int new_sampling_rate);
     void set_channel_filter(const int low_frequency, const int high_frequency, const int transition);
+    void set_cursor_position(const int32_t position);
 
     void paint(Painter& painter) override;
 
@@ -111,9 +115,14 @@ class FrequencyScale : public Widget {
 
 class WaterfallWidget : public Widget {
    public:
+    std::function<void(int32_t offset, int32_t y)> on_touch_select{};
+
+    Gradient gradient{};
+
     void on_show() override;
     void on_hide() override;
     void paint(Painter&) override {}
+    bool on_touch(const TouchEvent event) override;
 
     void on_channel_spectrum(const ChannelSpectrum& spectrum);
 

firmware/application/ui_navigation.cpp

@@ -117,10 +117,10 @@ const NavigationView::AppList NavigationView::appList = {
     /* HOME ******************************************************************/
     {nullptr, "Receive", HOME, Color::cyan(), &bitmap_icon_receivers, new ViewFactory<ReceiversMenuView>()},
     {nullptr, "Transmit", HOME, Color::cyan(), &bitmap_icon_transmit, new ViewFactory<TransmittersMenuView>()},
+    {nullptr, "Tranceiver", HOME, Color::cyan(), &bitmap_icon_tranceivers, new ViewFactory<TranceiversMenuView>()},
+    {"recon", "Recon", HOME, Color::green(), &bitmap_icon_scanner, new ViewFactory<ReconView>()},
     {"capture", "Capture", HOME, Color::red(), &bitmap_icon_capture, new ViewFactory<CaptureAppView>()},
     {"replay", "Replay", HOME, Color::green(), &bitmap_icon_replay, new ViewFactory<PlaylistView>()},
-    {"recon", "Recon", HOME, Color::green(), &bitmap_icon_scanner, new ViewFactory<ReconView>()},
-    {"microphone", "Microphone", HOME, Color::green(), &bitmap_icon_microphone, new ViewFactory<MicTXView>()},
     {"lookingglass", "Looking Glass", HOME, Color::green(), &bitmap_icon_looking, new ViewFactory<GlassView>()},
     {nullptr, "Utilities", HOME, Color::cyan(), &bitmap_icon_utilities, new ViewFactory<UtilitiesMenuView>()},
     {nullptr, "Games", HOME, Color::cyan(), &bitmap_icon_games, new ViewFactory<GamesMenuView>()},
@@ -147,6 +147,8 @@ const NavigationView::AppList NavigationView::appList = {
     {"soundbrd", "Soundbrd", TX, ui::Color::green(), &bitmap_icon_soundboard, new ViewFactory<SoundBoardView>()},
     {"touchtune", "TouchTune", TX, ui::Color::green(), &bitmap_icon_touchtunes, new ViewFactory<TouchTunesView>()},
     {"signalgen", "SignalGen", TX, Color::green(), &bitmap_icon_cwgen, new ViewFactory<SigGenView>()},
+    /* TRX ********************************************************************/
+    {"microphone", "Mic", TRX, Color::green(), &bitmap_icon_microphone, new ViewFactory<MicTXView>()},
     /* UTILITIES *************************************************************/
     {"filemanager", "File Manager", UTILITIES, Color::green(), &bitmap_icon_dir, new ViewFactory<FileManagerView>()},
     {"freqman", "Freq. Manager", UTILITIES, Color::green(), &bitmap_icon_freqman, new ViewFactory<FrequencyManagerView>()},
@@ -343,7 +345,7 @@ void SystemStatusView::on_battery_data(const BatteryStateMessage* msg) {
 
     // Check if charging state changed to charging
     static bool was_charging = false;
-    if (msg->on_charger && !was_charging) {
+    if (msg->on_charger && !was_charging && pmem::ui_battery_charge_hint()) {
         // Only show charging modal when transitioning to charging state
         nav_.display_modal(
             "CHARGING",
@@ -380,7 +382,7 @@ void SystemStatusView::refresh() {
     // Display "Disable speaker" icon only if AK4951 Codec which has separate speaker/headphone control
     if (audio::speaker_disable_supported() && !pmem::ui_hide_speaker()) status_icons.add(&toggle_speaker);
 
-    if (!pmem::ui_hide_fake_brightness() && !pmem::config_lcd_inverted_mode()) status_icons.add(&button_fake_brightness);
+    if (!pmem::ui_hide_fake_brightness()) status_icons.add(&button_fake_brightness);
     if (battery::BatteryManagement::isDetected()) {
         batt_was_inited = true;
         if (!pmem::ui_hide_battery_icon()) {
@@ -414,7 +416,7 @@ void SystemStatusView::refresh() {
     button_converter.set_foreground(pmem::config_converter() ? Theme::getInstance()->fg_red->foreground : Theme::getInstance()->fg_light->foreground);
 
     // Fake Brightness
-    button_fake_brightness.set_foreground((pmem::apply_fake_brightness() & (!pmem::config_lcd_inverted_mode())) ? *Theme::getInstance()->status_active : Theme::getInstance()->fg_light->foreground);
+    button_fake_brightness.set_foreground(pmem::apply_fake_brightness() ? *Theme::getInstance()->status_active : Theme::getInstance()->fg_light->foreground);
 
     set_dirty();
 }
@@ -841,6 +843,22 @@ void TransmittersMenuView::on_populate() {
     add_external_items(nav_, app_location_t::TX, *this, return_icon ? 1 : 0);
 }
 
+/* TranceiversMenuView **************************************************/
+
+TranceiversMenuView::TranceiversMenuView(NavigationView& nav)
+    : nav_(nav) {}
+
+void TranceiversMenuView::on_populate() {
+    bool return_icon = pmem::show_gui_return_icon();
+    if (return_icon) {
+        add_items({{"..", Theme::getInstance()->fg_light->foreground, &bitmap_icon_previous, [this]() { nav_.pop(); }}});
+    }
+    add_apps(nav_, *this, TRX);
+    // add_external_items(nav_, app_location_t::TRX, *this, return_icon ? 1 : 0);
+    // this folder doesn't have external apps, comment to prevent pop the err msg.
+    // NB: when has external app someday, uncomment this.
+}
+
 /* UtilitiesMenuView *****************************************************/
 
 UtilitiesMenuView::UtilitiesMenuView(NavigationView& nav)

firmware/application/ui_navigation.hpp

@@ -379,6 +379,16 @@ class TransmittersMenuView : public BtnGridView {
     void on_populate() override;
 };
 
+class TranceiversMenuView : public BtnGridView {
+   public:
+    TranceiversMenuView(NavigationView& nav);
+    std::string title() const override { return "Tranceiver"; };
+
+   private:
+    NavigationView& nav_;
+    void on_populate() override;
+};
+
 class UtilitiesMenuView : public BtnGridView {
    public:
     UtilitiesMenuView(NavigationView& nav);

firmware/application/usb_serial_shell.cpp

@@ -691,6 +691,9 @@ static void printAppInfo(BaseSequentialStream* chp, ui::AppInfoConsole& element)
         case TX:
             chprintf(chp, "[TX]\r\n");
             break;
+        case TRX:
+            chprintf(chp, "[TRX]\r\n");
+            break;
         case UTILITIES:
             chprintf(chp, "[UTIL]\r\n");
             break;
@@ -715,6 +718,9 @@ static void printAppInfo(BaseSequentialStream* chp, const ui::AppInfo& element)
         case TX:
             chprintf(chp, "[TX]\r\n");
             break;
+        case TRX:
+            chprintf(chp, "[TRX]\r\n");
+            break;
         case UTILITIES:
             chprintf(chp, "[UTIL]\r\n");
             break;

firmware/common/lcd_ili9341.cpp

@@ -33,6 +33,8 @@ using namespace portapack;
 
 #include "file.hpp"
 
+#include "portapack_persistent_memory.hpp"
+
 #include <complex>
 
 #include <cstring>
@@ -143,7 +145,13 @@ void lcd_init() {
     // REV = 1 (normally white)
     // NL = 0b100111 (default)
     // PCDIV = 0b000000 (default?)
-    io.lcd_data_write_command_and_data(0xB6, {0x0A, 0xA2, 0x27, 0x00});
+
+    /*as per the datasheet chapter 8.3.7, addr B6h,
+    data "REV" bit, liquid crystal type:*/
+    if (portapack::persistent_memory::config_lcd_normally_black())
+        io.lcd_data_write_command_and_data(0xB6, {0x0A, 0x22, 0x27, 0x00});  // IPS : normally black : 0
+    else
+        io.lcd_data_write_command_and_data(0xB6, {0x0A, 0xA2, 0x27, 0x00});  // TFT : normally white : 1
 
     // Power Control 1
     // VRH[5:0]
@@ -309,14 +317,6 @@ void ILI9341::wake() {
     lcd_wake();
 }
 
-void ILI9341::set_inverted(bool invert) {
-    if (invert) {
-        io.lcd_data_write_command_and_data(0x21, {});
-    } else {
-        io.lcd_data_write_command_and_data(0x20, {});
-    }
-}
-
 void ILI9341::fill_rectangle(ui::Rect r, const ui::Color c) {
     const auto r_clipped = r.intersect(screen_rect());
     if (!r_clipped.is_empty()) {

firmware/common/lcd_ili9341.hpp

@@ -50,8 +50,6 @@ class ILI9341 {
     void sleep();
     void wake();
 
-    void set_inverted(bool invert);
-
     void fill_rectangle(ui::Rect r, const ui::Color c);
     void fill_rectangle_unrolled8(ui::Rect r, const ui::Color c);
     void draw_line(const ui::Point start, const ui::Point end, const ui::Color color);

firmware/common/portapack_io.cpp

@@ -78,11 +78,11 @@ void IO::reference_oscillator(const bool enable) {
 }
 
 bool IO::get_dark_cover() {
-    return portapack::persistent_memory::apply_fake_brightness() & (!portapack::persistent_memory::config_lcd_inverted_mode());
+    return portapack::persistent_memory::apply_fake_brightness();
 }
 
-bool IO::get_is_inverted() {
-    return portapack::persistent_memory::config_lcd_inverted_mode();
+bool IO::get_is_normally_black() {
+    return portapack::persistent_memory::config_lcd_normally_black();
 }
 
 uint8_t IO::get_brightness() {
@@ -90,7 +90,7 @@ uint8_t IO::get_brightness() {
 }
 
 void IO::update_cached_values() {
-    inverted_enabled = get_is_inverted();
+    lcd_normally_black = get_is_normally_black();
     dark_cover_enabled = get_dark_cover();
     brightness = get_brightness();
 }

firmware/common/portapack_io.hpp

@@ -231,10 +231,10 @@ class IO {
 
         return switches_raw;
     }
-    bool inverted_enabled = false;
+    bool lcd_normally_black = false;
     bool dark_cover_enabled = false;
     uint8_t brightness = 0;
-    bool get_is_inverted();
+    bool get_is_normally_black();
     bool get_dark_cover();
     uint8_t get_brightness();
     void update_cached_values();
@@ -419,7 +419,7 @@ class IO {
         const auto value_low = data_read();
         uint32_t original_value = (value_high << 8) | value_low;
 
-        if (inverted_enabled) return original_value;
+        if (lcd_normally_black) return original_value;
 
         if (dark_cover_enabled) {
             // this is read data, so if the fake brightness is enabled AKA get_dark_cover() == true,

firmware/common/portapack_persistent_memory.cpp

@@ -137,9 +137,9 @@ struct ui_config2_t {
     bool button_repeat_delay : 1;
     bool button_repeat_speed : 1;
     bool button_long_press_delay : 1;
+    bool battery_charge_hint : 1;
 
     uint8_t theme_id;
-    uint8_t PLACEHOLDER_3;
 };
 static_assert(sizeof(ui_config2_t) == sizeof(uint32_t));
 
@@ -211,7 +211,7 @@ struct data_t {
     bool updown_converter;
     bool updown_frequency_rx_correction;
     bool updown_frequency_tx_correction;
-    bool lcd_inverted_mode : 1;
+    bool lcd_normally_black : 1;
     bool encoder_dial_direction : 1;  // false = normal, true = reverse
     bool UNUSED_6 : 1;
     bool UNUSED_7 : 1;
@@ -289,7 +289,7 @@ struct data_t {
           updown_converter(false),
           updown_frequency_rx_correction(false),
           updown_frequency_tx_correction(false),
-          lcd_inverted_mode(false),
+          lcd_normally_black(false),
           encoder_dial_direction(false),
           UNUSED_6(false),
           UNUSED_7(false),
@@ -981,6 +981,9 @@ bool ui_button_repeat_speed() {
 bool ui_button_long_press_delay() {
     return data->ui_config2.button_long_press_delay;
 }
+bool ui_battery_charge_hint() {
+    return data->ui_config2.battery_charge_hint;
+}
 
 void set_ui_hide_speaker(bool v) {
     data->ui_config2.hide_speaker = v;
@@ -1035,6 +1038,9 @@ void set_ui_button_repeat_speed(bool v) {
 void set_ui_button_long_press_delay(bool v) {
     data->ui_config2.button_long_press_delay = v;
 }
+void set_ui_battery_charge_hint(bool v) {
+    data->ui_config2.battery_charge_hint = v;
+}
 
 /* Converter */
 bool config_converter() {
@@ -1084,12 +1090,12 @@ void set_config_freq_rx_correction(uint32_t v) {
     data->frequency_rx_correction = v;
 }
 
-// LCD invert
-bool config_lcd_inverted_mode() {
-    return data->lcd_inverted_mode;
+// IPS vs TFT
+bool config_lcd_normally_black() {
+    return data->lcd_normally_black;
 }
-void set_lcd_inverted_mode(bool v) {
-    data->lcd_inverted_mode = v;
+void set_lcd_normally_black(bool v) {
+    data->lcd_normally_black = v;
 }
 
 // Rotary encoder dial settings
@@ -1158,7 +1164,6 @@ void set_fake_brightness_level(uint8_t v) {
 // Cycle through 4 brightness options: disabled -> enabled/50% -> enabled/25% -> enabled/12.5% -> disabled
 void toggle_fake_brightness_level() {
     bool fbe = apply_fake_brightness();
-    if (config_lcd_inverted_mode()) return;  // for now only inverted mode OR fake brightness
     if ((!fbe) || (data->fake_brightness_level >= BRIGHTNESS_12p5)) {
         set_apply_fake_brightness(!fbe);
         data->fake_brightness_level = BRIGHTNESS_50;

firmware/common/portapack_persistent_memory.hpp

@@ -249,8 +249,8 @@ void set_config_audio_mute(bool v);
 void set_config_speaker_disable(bool v);
 void set_config_backlight_timer(const backlight_config_t& new_value);
 void set_disable_touchscreen(bool v);
-bool config_lcd_inverted_mode();
-void set_lcd_inverted_mode(bool v);
+bool config_lcd_normally_black();
+void set_lcd_normally_black(bool v);
 
 uint8_t encoder_dial_sensitivity();
 void set_encoder_dial_sensitivity(uint8_t v);
@@ -350,6 +350,8 @@ bool ui_override_batt_calc();
 bool ui_button_repeat_delay();
 bool ui_button_repeat_speed();
 bool ui_button_long_press_delay();
+bool ui_battery_charge_hint();
+
 void set_ui_hide_speaker(bool v);
 void set_ui_hide_mute(bool v);
 void set_ui_hide_converter(bool v);
@@ -367,6 +369,7 @@ void set_ui_override_batt_calc(bool v);
 void set_ui_button_repeat_delay(bool v);
 void set_ui_button_repeat_speed(bool v);
 void set_ui_button_long_press_delay(bool v);
+void set_ui_battery_charge_hint(bool v);
 
 // sd persisting settings
 bool should_use_sdcard_for_pmem();

firmware/common/standalone_app.hpp

@@ -73,7 +73,8 @@ enum app_location_t : uint32_t {
     DEBUG,
     HOME,
     SETTINGS,
-    GAMES
+    GAMES,
+    TRX
 };
 
 struct standalone_application_information_t {

firmware/tools/bitmap_tools/make_bitmap.py

@@ -98,12 +98,12 @@ f.write("/*\n"
 	"#include \"ui.hpp\"\n\n"
 	"namespace ui {\n\n")
 
-for file in listdir(graphics_path):
+for file in sorted(listdir(graphics_path)):
     if file.endswith(".png") and path.isfile(graphics_path + file):
         convert_png(graphics_path + file)
         count += 1
 
 f.write("} /* namespace ui */\n\n")
-f.write("#endif/*__BITMAP_HPP__*/\n")
+f.write("#endif /*__BITMAP_HPP__*/\n")
 
 print(("Converted " + str(count) + " files"))

sdcard/WATERFALLS/aurora.txt

@@ -0,0 +1,14 @@
+# 0% black
+0,0,0,0
+
+# 25% blue
+64,0,0,255
+
+# 50% magenta
+128,255,0,255
+
+# 75% green
+192,0,255,0
+
+# 100% white
+255,255,255,255

sdcard/WATERFALLS/default.txt

@@ -0,0 +1,12 @@
+#lines are index,r,g,b
+#if index 0 is not set, it's starting at 0,0,0,0
+#all values are ranging from 0 to 255
+
+#pure blue
+86,0,0,255
+
+#bright green
+171,0,255,0
+
+#pure red 
+255,255,0,0

sdcard/WATERFALLS/flame.txt

@@ -0,0 +1,11 @@
+# 0% black
+0,0,0,0
+
+# 33% red
+84,255,0,0
+
+# 66% yellow
+168,255,255,0
+
+# 100% white
+255,255,255,255

sdcard/WATERFALLS/matrix.txt

@@ -0,0 +1,8 @@
+# 0% black
+0,0,0,0
+
+# 50% green
+128,0,255,0
+
+# 100% white
+255,255,255,255

sdcard/WATERFALLS/sunset.txt

@@ -0,0 +1,14 @@
+# 0% black
+0,0,0,0
+
+# 25% blue
+64,0,0,255
+
+# 50% red
+128,255,0,0
+
+# 75% yellow
+192,255,255,0
+
+# 100% white
+255,255,255,255