waterfall color designer app (#2625 )

Added morse receiver app. (#2923 )
* Adder morse receiver app. Works with cw and fm mode. Adaptive speed learning. Logging.
2026-08-20 14:39:01 +00:00 · 2026-01-19 21:46:25 +01:00 · 2026-01-16 09:57:45 +01:00 · 2026-01-11 22:49:18 +01:00 · 2026-01-10 20:19:10 +01:00 · 2026-01-10 16:19:53 +01:00
61 changed files with 3062 additions and 708 deletions
@@ -1 +0,0 @@
-portapack.ried.cl
@@ -296,10 +296,8 @@ set(CPPSRC
 	apps/ui_rds.cpp
 	apps/ui_recon_settings.cpp
 	apps/ui_recon.cpp
-	apps/ui_sd_over_usb.cpp
 	apps/ui_search.cpp
 	apps/ui_settings.cpp
-	apps/ui_siggen.cpp
 	apps/ui_sonde.cpp
 	apps/ui_ss_viewer.cpp
 	apps/ui_standalone_view.cpp
@@ -98,7 +98,7 @@ class BattinfoView : public View {
        "Volt"};

    Button button_exit{
-        {UI_POS_X_CENTER(12), 17 * 16, UI_POS_WIDTH(12), UI_POS_HEIGHT(3)},
+        {UI_POS_X_CENTER(12), UI_POS_Y_BOTTOM(4), UI_POS_WIDTH(12), UI_POS_HEIGHT(2)},
        "Back"};
    static msg_t static_fn(void* arg);
    Thread* thread{nullptr};
@@ -69,7 +69,7 @@ void GlassView::manage_beep_audio() {
    }
 }

-void GlassView::get_max_power(const ChannelSpectrum& spectrum, uint8_t bin, uint8_t& max_power) {
+void GlassView::get_max_power(const ChannelSpectrum& spectrum, uint16_t bin, uint8_t& max_power) {
    if (mode == LOOKING_GLASS_SINGLEPASS) {
        // <20MHz spectrum mode
        if (bin < 120) {
@@ -91,7 +91,7 @@ void GlassView::get_max_power(const ChannelSpectrum& spectrum, uint8_t bin, uint
    }
 }

-rf::Frequency GlassView::get_freq_from_bin_pos(uint8_t pos) {
+rf::Frequency GlassView::get_freq_from_bin_pos(uint16_t pos) {
    rf::Frequency freq_at_pos = 0;
    if (mode == LOOKING_GLASS_SINGLEPASS) {
        // starting from the middle, minus 8 ignored bin on each side. Since pos is [-120,120] after the (pos - 120), it's divided by screen_width(240)/2 => 120
@@ -101,7 +101,14 @@ rf::Frequency GlassView::get_freq_from_bin_pos(uint8_t pos) {
    return freq_at_pos;
 }

-void GlassView::on_marker_change() {
+void GlassView::on_marker_change(int8_t delta) {
+    if ((marker_pixel_index + delta) < 0)
+        marker_pixel_index = marker_pixel_index + delta + screen_width;
+    else if ((marker_pixel_index + delta) > screen_width)
+        marker_pixel_index = marker_pixel_index + delta - screen_width;
+    else
+        marker_pixel_index = marker_pixel_index + delta;
+
    marker = get_freq_from_bin_pos(marker_pixel_index);
    field_marker.set_text(to_string_short_freq(marker));
    plot_marker(marker_pixel_index);  // Refresh marker on screen
@@ -200,7 +207,7 @@ 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
    // we actually need screen_width (240) of those bins
-    for (uint8_t bin = 0; bin < bin_length; bin++) {
+    for (uint16_t bin = 0; bin < bin_length; bin++) {
        get_max_power(spectrum, bin, max_power);
        if (max_power > range_max_power)
            range_max_power = max_power;
@@ -208,7 +215,7 @@ void GlassView::on_channel_spectrum(const ChannelSpectrum& spectrum) {
        if (bin == 119) {
            uint8_t next_max_power = 0;
            get_max_power(spectrum, bin + 1, next_max_power);
-            for (uint8_t it = 0; it < ignore_dc; it++) {
+            for (uint16_t it = 0; it < ignore_dc; it++) {
                uint8_t med_max_power = (max_power + next_max_power) / 2;  // due to the way process_bins works we have to keep resetting the color
                if (process_bins(&med_max_power) == true)
                    return;  // new line signaled, return
@@ -285,7 +292,7 @@ void GlassView::on_range_changed() {
    max_power = 0;
    bins_hz_size = 0;

-    on_marker_change();
+    on_marker_change(0);
    update_range_field();

    // set the sample rate and bandwidth
@@ -298,8 +305,8 @@ void GlassView::on_range_changed() {
    receiver_model.set_target_frequency(f_center);  // tune rx for this slice
 }

-void GlassView::plot_marker(uint8_t pos) {
-    uint8_t shift_y = 0;
+void GlassView::plot_marker(uint16_t pos) {
+    uint16_t shift_y = 0;
    if (live_frequency_view > 0)  // plot one line down when in live view
    {
        shift_y = 16;
@@ -381,9 +388,10 @@ GlassView::GlassView(
                  &button_beep_squelch,
                  &field_marker,
                  &field_trigger,
+                  &button_marker_minus,
+                  &button_marker_plus,
                  &button_jump,
                  &button_rst,
-                  &field_rx_iq_phase_cal,
                  &freq_stats});

    load_presets();  // Load available presets from TXT files (or default).
@@ -491,13 +499,7 @@ GlassView::GlassView(
    range_presets.set_selected_index(preset_index);

    field_marker.on_encoder_change = [this](TextField&, EncoderEvent delta) {
-        if ((marker_pixel_index + delta) < 0)
-            marker_pixel_index = marker_pixel_index + delta + screen_width;
-        else if ((marker_pixel_index + delta) > screen_width)
-            marker_pixel_index = marker_pixel_index + delta - screen_width;
-        else
-            marker_pixel_index = marker_pixel_index + delta;
-        on_marker_change();
+        on_marker_change(delta);
    };

    field_marker.on_select = [this](TextField&) {
@@ -516,6 +518,14 @@ GlassView::GlassView(
        update_range_field();
    };

+    button_marker_minus.on_select = [this](Button&) {
+        on_marker_change(-1);
+    };
+
+    button_marker_plus.on_select = [this](Button&) {
+        on_marker_change(1);
+    };
+
    button_jump.on_select = [this](Button&) {
        // Launch Audio with peak frequency.
        launch_audio(max_freq_hold);
@@ -525,13 +535,6 @@ GlassView::GlassView(
        reset_live_view();
    };

-    field_rx_iq_phase_cal.set_range(0, hackrf_r9 ? 63 : 31);                 // max2839 has 6 bits [0..63],  max2837 has 5 bits [0..31]
-    field_rx_iq_phase_cal.set_value(get_spec_iq_phase_calibration_value());  // using  accessor function of AnalogAudioView to read iq_phase_calibration_value from rx_audio.ini
-    field_rx_iq_phase_cal.on_change = [this](int32_t v) {
-        set_spec_iq_phase_calibration_value(v);  // using  accessor function of AnalogAudioView to write inside SPEC submenu, register value to max283x and save it to rx_audio.ini
-    };
-    set_spec_iq_phase_calibration_value(get_spec_iq_phase_calibration_value());  // initialize iq_phase_calibration in radio
-
    display.scroll_set_area(109, screen_height - 1);  // Restart scroll on the correct coordinates

    // trigger:
@@ -581,15 +584,6 @@ void GlassView::on_freqchg(int64_t freq) {
    on_range_changed();
 }

-uint8_t GlassView::get_spec_iq_phase_calibration_value() {  // define accessor functions inside AnalogAudioView to read & write real iq_phase_calibration_value
-    return iq_phase_calibration_value;
-}
-
-void GlassView::set_spec_iq_phase_calibration_value(uint8_t cal_value) {  // define accessor functions
-    iq_phase_calibration_value = cal_value;
-    radio::set_rx_max283x_iq_phase_calibration(iq_phase_calibration_value);
-}
-
 void GlassView::load_presets() {
    File presets_file;
    auto error = presets_file.open(looking_glass_dir / u"PRESETS.TXT");
@@ -66,9 +66,6 @@ class GlassView : public View {
    void on_hide() override;
    void focus() override;

-    uint8_t get_spec_iq_phase_calibration_value();
-    void set_spec_iq_phase_calibration_value(uint8_t cal_value);
-
   private:
    NavigationView& nav_;
    Gradient gradient{};
@@ -80,11 +77,10 @@ class GlassView : public View {
    uint8_t filter_index = 0;  // OFF
    uint8_t trigger = 32;
    uint8_t mode = LOOKING_GLASS_FASTSCAN;
-    uint8_t live_frequency_view = 0;         // Spectrum
-    uint8_t live_frequency_integrate = 3;    // Default (3 * old value + new_value) / 4
-    uint8_t iq_phase_calibration_value{15};  // initial default RX IQ phase calibration value , used for both max2837 & max2839
-    int32_t beep_squelch = 20;               // range from -100 to +20, >=20 disabled
-    bool beep_enabled = false;               // activate on bip button click
+    uint8_t live_frequency_view = 0;       // Spectrum
+    uint8_t live_frequency_integrate = 3;  // Default (3 * old value + new_value) / 4
+    int32_t beep_squelch = 20;             // range from -100 to +20, >=20 disabled
+    bool beep_enabled = false;             // activate on bip button click
    app_settings::SettingsManager settings_{
        "rx_glass"sv,
        app_settings::Mode::RX,
@@ -97,7 +93,6 @@ class GlassView : public View {
            {"scan_mode"sv, &mode},
            {"freq_view"sv, &live_frequency_view},
            {"freq_integrate"sv, &live_frequency_integrate},
-            {"iq_phase_calibration"sv, &iq_phase_calibration_value},  // we are saving and restoring that CAL from Settings.
            {"beep_squelch"sv, &beep_squelch},
            {"beep_enabled"sv, &beep_enabled},
        }};
@@ -116,9 +111,9 @@ class GlassView : public View {
    void update_min(int32_t v);
    void update_max(int32_t v);
    void update_range_field();
-    void get_max_power(const ChannelSpectrum& spectrum, uint8_t bin, uint8_t& max_power);
-    rf::Frequency get_freq_from_bin_pos(uint8_t pos);
-    void on_marker_change();
+    void get_max_power(const ChannelSpectrum& spectrum, uint16_t bin, uint8_t& max_power);
+    rf::Frequency get_freq_from_bin_pos(uint16_t pos);
+    void on_marker_change(int8_t delta);
    void retune();
    bool process_bins(uint8_t* powerlevel);
    void on_channel_spectrum(const ChannelSpectrum& spectrum);
@@ -128,7 +123,7 @@ class GlassView : public View {
    void on_range_changed();
    void reset_live_view();
    void add_spectrum_pixel(uint8_t power);
-    void plot_marker(uint8_t pos);
+    void plot_marker(uint16_t pos);
    void load_presets();
    void populate_presets();
    void launch_audio(rf::Frequency center_freq);
@@ -138,7 +133,7 @@ class GlassView : public View {
    rf::Frequency f_center_ini{0};

    rf::Frequency marker{0};
-    uint8_t marker_pixel_index{0};
+    uint16_t marker_pixel_index{0};
    rf::Frequency marker_pixel_step{0};

    // Size of one spectrum bin in Hz.
@@ -173,8 +168,7 @@ class GlassView : public View {
        {{0, UI_POS_Y(0)}, "MIN:     MAX:     LNA   VGA  ", Theme::getInstance()->fg_light->foreground},
        {{0, 1 * 16}, "RANGE:       FILTER:     AMP:", Theme::getInstance()->fg_light->foreground},
        {{0, 2 * 16}, "P:", Theme::getInstance()->fg_light->foreground},
-        {{0, 3 * 16}, "MARKER:          MHz RXIQCAL", Theme::getInstance()->fg_light->foreground},
-        //{{0, 4 * 16}, "RES:    STEPS:", Theme::getInstance()->fg_light->foreground}};
+        {{0, 3 * 16}, "MARKER( / ):          MHz", Theme::getInstance()->fg_light->foreground},
        {{0, 4 * 16}, "RES:     VOL:", Theme::getInstance()->fg_light->foreground}};

    NumberField field_frequency_min{
@@ -223,16 +217,16 @@ class GlassView : public View {
        ""};

    TextField field_marker{
-        {7 * 8, 3 * 16, 9 * 8, 16},
+        {12 * 8, 3 * 16, 9 * 8, 16},
        ""};

-    NumberField field_rx_iq_phase_cal{
-        {28 * 8, 3 * 16},
-        2,
-        {0, 63},  // 5 or 6 bits IQ CAL phase adjustment (range updated later)
-        1,
-        ' ',
-    };
+    Button button_marker_minus{
+        {7 * 8, 3 * 16 + 4, 1 * 8, 1 * 8},
+        "-"};
+
+    Button button_marker_plus{
+        {9 * 8, 3 * 16 + 4, 1 * 8, 1 * 8},
+        "+"};

    NumberField field_trigger{
        {4 * 8, 4 * 16},
@@ -309,6 +309,39 @@ SetFrequencyCorrectionModel SetRadioView::form_collect() {
    };
 }

+/* SetTXLimitView ************************************/
+
+SetTXLimitView::SetTXLimitView(NavigationView& nav) {
+    add_children({
+        &labels,
+        &tx_gain_max_db,
+        &tx_disable_switch,
+        &tx_amp_disable_switch,
+        &button_save,
+        &button_cancel,
+    });
+
+    tx_disable_switch.set_value(pmem::config_tx_disabled());
+    tx_amp_disable_switch.set_value(pmem::config_tx_amp_disabled());
+    tx_gain_max_db.set_value(pmem::config_tx_gain_max_db());
+
+    button_save.on_select = [&nav, this](Button&) {
+        pmem::set_config_tx_disabled(tx_disable_switch.value());
+        pmem::set_config_tx_amp_disabled(tx_amp_disable_switch.value());
+        pmem::set_config_tx_gain_max_db(tx_gain_max_db.value());
+        send_system_refresh();
+        nav.pop();
+    };
+
+    button_cancel.on_select = [&nav, this](Button&) {
+        nav.pop();
+    };
+}
+
+void SetTXLimitView::focus() {
+    button_save.focus();
+}
+
 /* SetUIView *********************************************/

 SetUIView::SetUIView(NavigationView& nav) {
@@ -1107,6 +1140,7 @@ void SettingsMenuView::on_populate() {
        {"Freq. Correct", ui::Color::dark_cyan(), &bitmap_icon_options_radio, [this]() { nav_.push<SetFrequencyCorrectionView>(); }},
        {"P.Memory Mgmt", ui::Color::dark_cyan(), &bitmap_icon_memory, [this]() { nav_.push<SetPersistentMemoryView>(); }},
        {"Radio", ui::Color::dark_cyan(), &bitmap_icon_options_radio, [this]() { nav_.push<SetRadioView>(); }},
+        {"TX Limit", ui::Color::dark_cyan(), &bitmap_icon_options_radio, [this]() { nav_.push<SetTXLimitView>(); }},
        {"SD Card", ui::Color::dark_cyan(), &bitmap_icon_sdcard, [this]() { nav_.push<SetSDCardView>(); }},
        {"User Interface", ui::Color::dark_cyan(), &bitmap_icon_options_ui, [this]() { nav_.push<SetUIView>(); }},
        {"Display", ui::Color::dark_cyan(), &bitmap_icon_brightness, [this]() { nav_.push<SetDisplayView>(); }},
@@ -264,6 +264,51 @@ class SetRadioView : public View {
    SetFrequencyCorrectionModel form_collect();
 };

+class SetTXLimitView : public View {
+   public:
+    SetTXLimitView(NavigationView& nav);
+
+    void focus() override;
+
+    std::string title() const override { return "TX Limit"; };
+
+   private:
+    Labels labels{
+        {{1 * 8, 1 * 16}, "Limits RF TX Gain", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 2 * 16}, "(This may affect", Theme::getInstance()->fg_light->foreground},
+        {{1 * 8, 3 * 16}, "all applications.)", Theme::getInstance()->fg_light->foreground},
+        {{2 * 8, 12 * 16}, "TX Max Gain:", Theme::getInstance()->fg_light->foreground},
+
+    };
+
+    Checkbox tx_disable_switch{
+        {1 * 8, 6 * 16},
+        23,
+        "Disable TX"};
+
+    Checkbox tx_amp_disable_switch{
+        {1 * 8, 8 * 16},
+        23,
+        "Disable TX Amp"};
+
+    NumberField tx_gain_max_db{
+        {20 * 8, 12 * 16},
+        6,
+        {0, 47},
+        1,
+        ' ',
+    };
+
+    Button button_save{
+        {UI_POS_X_CENTER(12) - UI_POS_WIDTH(8), UI_POS_Y_BOTTOM(4), UI_POS_WIDTH(12), UI_POS_HEIGHT(2)},
+        "Save"};
+
+    Button button_cancel{
+        {UI_POS_X_CENTER(16) + UI_POS_WIDTH(8), UI_POS_Y_BOTTOM(4), UI_POS_WIDTH(12), UI_POS_HEIGHT(2)},
+        "Cancel",
+    };
+};
+
 using portapack::persistent_memory::backlight_timeout_t;

 class SetUIView : public View {
@@ -368,6 +368,11 @@ void set_subghzd_config(uint8_t modulation = 0, uint32_t sampling_rate = 0) {
    send_message(&message);
 }

+void set_moreserx_config() {
+    const MorseRXConfigureMessage message{};
+    send_message(&message);
+}
+
 static bool baseband_image_running = false;

 void run_image(const spi_flash::image_tag_t image_tag) {
@@ -102,6 +102,7 @@ void set_siggen_tone(const uint32_t tone);
 void set_siggen_config(const uint32_t bw, const uint32_t shape, const uint32_t duration);
 void set_spectrum_painter_config(const uint16_t width, const uint16_t height, bool update, int32_t bw);
 void set_subghzd_config(uint8_t modulation, uint32_t sampling_rate);
+void set_moreserx_config();
 void set_wefax_config(uint8_t lpm, uint8_t ioc);
 void set_noaaapt_config();
 void set_flex_config();
@@ -4297,7 +4297,7 @@ static constexpr Bitmap bitmap_icon_tpms{
    {16, 16},
    bitmap_icon_tpms_data};

-static constexpr uint8_t bitmap_icon_tranceivers_data[] = {
+static constexpr uint8_t bitmap_icon_transceivers_data[] = {
    0x80,
    0x01,
    0xC0,
@@ -4331,9 +4331,9 @@ static constexpr uint8_t bitmap_icon_tranceivers_data[] = {
    0xFF,
    0xFF,
 };
-static constexpr Bitmap bitmap_icon_tranceivers{
+static constexpr Bitmap bitmap_icon_transceivers{
    {16, 16},
-    bitmap_icon_tranceivers_data};
+    bitmap_icon_transceivers_data};

 static constexpr uint8_t bitmap_icon_transmit_data[] = {
    0x80,
@@ -62,19 +62,24 @@ AppManagerView::AppManagerView(NavigationView& nav)
        auto app_name = get_app_info(menu_view.highlighted_index(), true);
        auto app_id = get_app_info(menu_view.highlighted_index(), false);

-        info += "Hidden:";
+        if (!app_name.empty()) {
+            info += "Hidden:";

-        if (is_blacklisted(app_name)) {
-            info += "Yes ";
-        } else {
-            info += "No ";
+            if (is_blacklisted(app_name)) {
+                info += "Yes ";
+            } else {
+                info += "No ";
+            }
        }

-        info += "Autostart:";
-        if (is_autostart_app(app_id)) {
-            info += "Yes";
-        } else {
-            info += "No";
+        if (!app_id.empty()) {
+            info += "Autostart:";
+
+            if (is_autostart_app(app_id)) {
+                info += "Yes";
+            } else {
+                info += "No";
+            }
        }

        if (info.empty()) {
@@ -82,6 +87,8 @@ AppManagerView::AppManagerView(NavigationView& nav)
        }

        text_app_info.set(info);
+        button_hide_unhide.set_focusable(!app_name.empty());
+        button_set_cancel_autostart.set_focusable(!app_id.empty());
    };

    button_hide_unhide.on_select = [this](Button&) {
@@ -120,27 +127,23 @@ void AppManagerView::refresh_list() {
    };

    for (auto& app : NavigationView::appList) {
-        if (app.id == nullptr) continue;
-
        app_list_index++;

-        menu_view.add_item({app.displayName + std::string(is_autostart_app(app.id) ? padding(app.displayName) : ""),
+        menu_view.add_item({app.displayName + std::string((app.id != nullptr && is_autostart_app(app.id)) ? padding(app.displayName) : ""),
                            app.iconColor,
                            app.icon,
-                            [this, app_id = std::string(app.id)](KeyEvent) {
+                            [this, app_id = std::string(app.id != nullptr ? app.id : "")](KeyEvent) {
                                button_hide_unhide.focus();
                            }});
    }

    ExternalItemsMenuLoader::load_all_external_items_callback([this, &index, &padding](ui::AppInfoConsole& app) {
-        if (app.appCallName == nullptr) return;
-
        app_list_index++;

-        menu_view.add_item({app.appFriendlyName + std::string(is_autostart_app(app.appCallName) ? padding(app.appFriendlyName) : ""),
+        menu_view.add_item({app.appFriendlyName + std::string((app.appCallName != nullptr && is_autostart_app(app.appCallName)) ? padding(app.appFriendlyName) : ""),
                            ui::Color::light_grey(),
                            &bitmap_icon_sdcard,
-                            [this, app_id = std::string(app.appCallName)](KeyEvent) {
+                            [this, app_id = std::string(app.appCallName != nullptr ? app.appCallName : "")](KeyEvent) {
                                button_hide_unhide.focus();
                            }});
    });
@@ -156,19 +159,29 @@ void AppManagerView::hide_app() {
    std::vector<std::string> blacklist;
    get_blacklist(blacklist);

-    blacklist.push_back(get_app_info(menu_view.highlighted_index(), true));
+    auto app_name = get_app_info(menu_view.highlighted_index(), true);
+    if (app_name.empty()) return;
+
+    blacklist.push_back(app_name);
    write_blacklist(blacklist);
 }

 void AppManagerView::unhide_app() {
    std::vector<std::string> blacklist;
    get_blacklist(blacklist);
-    blacklist.erase(std::remove(blacklist.begin(), blacklist.end(), get_app_info(menu_view.highlighted_index(), true)), blacklist.end());
+
+    auto app_name = get_app_info(menu_view.highlighted_index(), true);
+    if (app_name.empty()) return;
+
+    blacklist.erase(std::remove(blacklist.begin(), blacklist.end(), app_name), blacklist.end());
    write_blacklist(blacklist);
 }

 void AppManagerView::hide_unhide_app() {
-    if (is_blacklisted(get_app_info(menu_view.highlighted_index(), true)))
+    auto app_name = get_app_info(menu_view.highlighted_index(), true);
+    if (app_name.empty()) return;
+
+    if (is_blacklisted(app_name))
        unhide_app();
    else
        hide_app();
@@ -218,6 +231,7 @@ void AppManagerView::set_auto_start() {
    if (app_index >= app_list_index) return;

    auto id_aka_app_call_name = get_app_info(app_index, false);
+    if (id_aka_app_call_name.empty()) return;

    autostart_app = id_aka_app_call_name;

@@ -234,6 +248,7 @@ void AppManagerView::set_unset_autostart_app() {
    if (app_index >= app_list_index) return;

    auto id_aka_friendly_name = get_app_info(app_index, false);
+    if (id_aka_friendly_name.empty()) return;

    if (is_autostart_app(id_aka_friendly_name))
        unset_auto_start();
@@ -254,17 +269,15 @@ std::string AppManagerView::get_app_info(uint16_t index, bool is_display_name) {
    std::string result;

    for (auto& app : NavigationView::appList) {
-        if (app.id == nullptr) continue;
        if (current_index == index) {
-            return is_display_name ? std::string(app.displayName) : std::string(app.id);
+            return is_display_name ? std::string(app.displayName != nullptr ? app.displayName : "") : std::string(app.id != nullptr ? app.id : "");
        }
        current_index++;
    }

    ExternalItemsMenuLoader::load_all_external_items_callback([&current_index, &index, &result, &is_display_name](ui::AppInfoConsole& app) {
-        if (app.appCallName == nullptr) return;
        if (current_index == index) {
-            result = is_display_name ? app.appFriendlyName : app.appCallName;
+            result = is_display_name ? (app.appFriendlyName != nullptr ? app.appFriendlyName : "") : (app.appCallName != nullptr ? app.appCallName : "");
        }
        current_index++;
    });
@@ -222,7 +222,11 @@ set(EXTCPPSRC

 	#gfxEQ 80 byte
 	external/gfxeq/main.cpp
-	external/gfxeq/ui_gfxeq.cpp
+	external/gfxeq/ui_gfxeq.cpp	
+
+	#waterfall designer
+	external/waterfall_designer/main.cpp
+	external/waterfall_designer/ui_waterfall_designer.cpp

 	#detector_rx  168 byte
 	external/detector_rx/main.cpp
@@ -276,6 +280,19 @@ set(EXTCPPSRC
 	#subcarrx
 	external/subcarrx/main.cpp
 	external/subcarrx/ui_subcar.cpp
+
+	#siggen
+	external/siggen/main.cpp
+	external/siggen/ui_siggen.cpp
+
+	#sdusb
+	external/sdusb/main.cpp
+	external/sdusb/ui_sd_over_usb.cpp
+
+
+	#morse_radio
+	external/morse_radio/main.cpp
+	external/morse_radio/ui_morse_radio.cpp
 )

 set(EXTAPPLIST
@@ -332,6 +349,7 @@ set(EXTAPPLIST
 	scanner
 	level
 	gfxeq
+	waterfall_designer
 	detector_rx
 	spaceinv
 	blackjack
@@ -345,4 +363,7 @@ set(EXTAPPLIST
 	adult_toys_controller
 	flex_rx
 	subcarrx
+	siggen
+	sdusb
+	morse_radio
 )
@@ -89,7 +89,10 @@ MEMORY
    ram_external_app_flex_rx  (rwx) : org = 0xADF00000, len = 32k
    ram_external_app_sstvrx  (rwx) : org = 0xADF10000, len = 32k
    ram_external_app_subcarrx  (rwx) : org = 0xADF20000, len = 32k
-
+    ram_external_app_siggen  (rwx) : org = 0xADF30000, len = 32k
+    ram_external_app_sdusb  (rwx) : org = 0xADF40000, len = 32k
+    ram_external_app_morse_radio  (rwx) : org = 0xADF50000, len = 32k
+    ram_external_app_waterfall_designer (rwx) : org = 0xADF60000, len = 32k
 }

 SECTIONS
@@ -400,6 +403,12 @@ SECTIONS
        *(*ui*external_app*gfxeq*);
    } > ram_external_app_gfxeq

+    .external_app_waterfall_designer : ALIGN(4) SUBALIGN(4)
+    {
+        KEEP(*(.external_app.app_waterfall_designer.application_information));
+        *(*ui*external_app*waterfall_designer*);
+    } > ram_external_app_waterfall_designer
+
    .external_app_detector_rx : ALIGN(4) SUBALIGN(4)
    {
        KEEP(*(.external_app.app_detector_rx.application_information));
@@ -492,6 +501,22 @@ SECTIONS
        *(*ui*external_app*subcarrx*);
    } > ram_external_app_subcarrx

-    
+    .external_app_siggen : ALIGN(4) SUBALIGN(4)
+    {
+        KEEP(*(.external_app.app_siggen.application_information));
+        *(*ui*external_app*siggen*);
+    } > ram_external_app_siggen
+
+     .external_app_sdusb : ALIGN(4) SUBALIGN(4)
+    {
+        KEEP(*(.external_app.app_sdusb.application_information));
+        *(*ui*external_app*sdusb*);
+    } > ram_external_app_sdusb
+   
+    .external_app_morse_radio : ALIGN(4) SUBALIGN(4)
+    {
+        KEEP(*(.external_app.app_morse_radio.application_information));
+        *(*ui*external_app*morse_radio*);
+    } > ram_external_app_morse_radio
 }

@@ -24,8 +24,7 @@

 #include <cstdint>
 #include <string>
-
-#define MORSEDEC_ERROR "<ERR>"
+#include "string_format.hpp"

 namespace ui::external_app::morse_practice {

@@ -89,21 +88,28 @@ class MorseDecoder {
    };

    MorseDecoder() {}
-    DecodeResult handleInput(int32_t duration_ms) {
+
+    DecodeResult
+    handleInput(int32_t duration_ms) {
        DecodeResult result = {"", 0.0};
+
+        if (duration_ms < 5 && duration_ms > -5) return result;
+
        if (duration_ms > 0) {
            pulse_history_.push_back(duration_ms);
            double dah_prob = getDahProbability(duration_ms);
            current_sequence_ += (dah_prob > 0.5) ? '-' : '.';
            last_confidence_ = (dah_prob > 0.5) ? dah_prob : (1.0 - dah_prob);
            last_sequence_ = current_sequence_;
+
        } else {
            uint32_t gap_duration = -duration_ms;
            pulse_gaps_.push_back(gap_duration);

            if (gap_duration >= getInterCharThreshold() && !current_sequence_.empty()) {
                result.text = lookupMorse(current_sequence_);
-                result.confidence = (result.text != MORSEDEC_ERROR) ? last_confidence_ : 0.0;
+
+                result.confidence = (result.text[0] != '{') ? last_confidence_ : 0.0;
                if (gap_duration >= getInterWordThreshold()) {
                    result.text += " ";
                }
@@ -116,9 +122,9 @@ class MorseDecoder {
        return result;
    }

-    inline double getInterElementThreshold() { return time_unit_ms_ * 2.0; }
-    inline double getInterCharThreshold() { return time_unit_ms_ * 4.0; }
-    inline double getInterWordThreshold() { return time_unit_ms_ * 7.0; }
+    inline double getInterElementThreshold() { return time_unit_ms_ * 0.8; }
+    inline double getInterCharThreshold() { return time_unit_ms_ * 2.5; }
+    inline double getInterWordThreshold() { return time_unit_ms_ * 6.0; }

    inline double getCurrentTimeUnit() { return time_unit_ms_; }
    inline std::string getLastSequence() { return last_sequence_; }
@@ -126,7 +132,7 @@ class MorseDecoder {
   private:
    std::string current_sequence_ = "";
    std::string last_sequence_ = "";
-    double time_unit_ms_ = 160.0;
+    double time_unit_ms_ = 119.0;
    double last_confidence_ = 0.0;
    MorseRingBuffer pulse_history_{};
    MorseRingBuffer pulse_gaps_{};
@@ -136,7 +142,7 @@ class MorseDecoder {
            if (seq == morse_table_[i].code)
                return morse_table_[i].letter;
        }
-        return MORSEDEC_ERROR;  // not found
+        return "{" + seq + "}";  // not found
    }

    double getDahProbability(uint32_t duration_ms) {
@@ -298,8 +304,8 @@ class MorseDecoder {
        time_unit_ms_ = (time_unit_ms_ * (1.0 - learning_factor)) + (new_time_unit * learning_factor);
    }

-    size_t morse_table_size_ = 41;
-    MorseEntry morse_table_[41] = {
+    size_t morse_table_size_ = 50;
+    MorseEntry morse_table_[50] = {
        {".-", "A"},
        {"-...", "B"},
        {"-.-.", "C"},
@@ -340,7 +346,16 @@ class MorseDecoder {
        {"..--..", "?"},
        {"-.-.--", "!"},
        {"--..--", ","},
-        {"-...-", "="}};
+        {"-...-", "="},
+        {"-..-.", "/"},
+        {".--.-.", "@"},
+        {"---...", ":"},
+        {"-....-", "-"},
+        {".----.", "'"},
+        {".-..-.", "\""},
+        {"-.--.", "("},
+        {"-.--.-", ")"},
+        {".-.-.", "+"}};
 };

 }  // namespace ui::external_app::morse_practice
@@ -98,7 +98,7 @@ void MorsePracticeView::writeCharToConsole(const std::string& ch, double confide

    if (ch == " ") {
        color_id = 0;
-    } else if (ch == MORSEDEC_ERROR) {
+    } else if (ch[0] == '{') {  // no match
        color_id = 0;
    } else {
        if (confidence < 0.8)
@@ -47,7 +47,7 @@ class MorsePracticeView : public ui::View {
    MorsePracticeView(ui::NavigationView& nav);
    ~MorsePracticeView();

-    std::string title() { return "Morse P"; }
+    std::string title() const override { return "Morse Practice"; }
    void focus() override;
    void on_show() override;

@@ -0,0 +1,86 @@
+/*
+ * Copyright (C) 2026 Pezsma
+ *
+ * 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 "ui_morse_radio.hpp"
+#include "ui_navigation.hpp"
+#include "external_app.hpp"
+
+namespace ui::external_app::morse_radio {
+
+void initialize_app(NavigationView& nav) {
+    nav.push<MorseRadioView>();
+}
+
+}  // namespace ui::external_app::morse_radio
+
+extern "C" {
+
+__attribute__((section(".external_app.app_morse_radio.application_information"), used))
+application_information_t _application_information_morse_radio = {
+    /*.memory_location = */ (uint8_t*)0x00000000,
+    /*.externalAppEntry = */ ui::external_app::morse_radio::initialize_app,
+    /*.header_version = */ CURRENT_HEADER_VERSION,
+    /*.app_version = */ VERSION_MD5,
+
+    /*.app_name = */ "Morse",
+    /*.bitmap_data = */ {
+        0x00,
+        0x00,
+        0xFE,
+        0x7F,
+        0xFF,
+        0xFF,
+        0xBB,
+        0xD0,
+        0xFF,
+        0xFF,
+        0xFF,
+        0xFF,
+        0x0B,
+        0xE1,
+        0xFF,
+        0xFF,
+        0xFF,
+        0xFF,
+        0xEB,
+        0xD0,
+        0xFF,
+        0xFF,
+        0xFE,
+        0x7F,
+        0x70,
+        0x00,
+        0x30,
+        0x00,
+        0x10,
+        0x00,
+        0x00,
+        0x00,
+    },
+    /*.icon_color = */ ui::Color::yellow().v,
+    /*.menu_location = */ app_location_t::RX,
+    /*.desired_menu_position = */ -1,
+
+    /*.m4_app_tag = portapack::spi_flash::image_tag_morse_radio */ {'P', 'M', 'R', 'S'},
+    /*.m4_app_offset = */ 0x00000000,  // will be filled at compile time
+};
+}
@@ -0,0 +1,378 @@
+#ifndef __MORSEDECODER_HPP__
+#define __MORSEDECODER_HPP__
+
+/*
+ * Copyright (C) 2025 Pezsma
+ *
+ * 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 <cstdint>
+#include <string>
+#include "string_format.hpp"
+
+namespace ui::external_app::morse_radio {
+
+class MorseRingBuffer {
+   public:
+    MorseRingBuffer()
+        : head_(0), tail_(0), count_(0) {}
+
+    void push_back(const uint32_t& value) {
+        data_[head_] = value;
+        head_ = (head_ + 1) % 40;
+        if (count_ < 40) {
+            count_++;
+        } else {
+            // overwrite oldest element
+            tail_ = (tail_ + 1) % 40;
+        }
+    }
+
+    void pop_front() {
+        if (count_ > 0) {
+            tail_ = (tail_ + 1) % 40;
+            count_--;
+        }
+    }
+
+    size_t size() const { return count_; }
+    bool empty() const { return count_ == 0; }
+    const uint32_t& front() const { return data_[tail_]; }
+    // Access by index (0 = oldest)
+    uint32_t operator[](size_t idx) const {
+        return data_[(tail_ + idx) % 40];
+    }
+    // Convert to vector-like access for sorting etc.
+    void copy_to_array(uint32_t* out) const {
+        for (size_t i = 0; i < count_; ++i)
+            out[i] = (*this)[i];
+    }
+
+    void clear() {
+        head_ = 0;
+        tail_ = 0;
+        count_ = 0;
+    }
+
+   private:
+    uint32_t data_[40];
+    size_t head_;
+    size_t tail_;
+    size_t count_;
+};
+
+class MorseDecoder {
+   public:
+    struct DecodeResult {
+        std::string text = "";
+        double confidence = 0.0;
+
+        bool isValid() const {
+            return !text.empty();
+        }
+    };
+
+    struct MorseEntry {
+        std::string code;
+        std::string letter;
+    };
+
+    MorseDecoder() {}
+
+    void resetLearning() {
+        time_unit_ms_ = 119.0;
+        current_sequence_ = "";
+        last_sequence_ = "";
+        last_confidence_ = 0.0;
+        pulse_history_.clear();
+        pulse_gaps_.clear();
+    }
+
+    DecodeResult
+    handleInput(int32_t duration_ms) {
+        DecodeResult result = {"", 0.0};
+
+        if (duration_ms < 5 && duration_ms > -5) return result;
+
+        if (duration_ms > 0) {
+            pulse_history_.push_back(duration_ms);
+            double dah_prob = getDahProbability(duration_ms);
+            current_sequence_ += (dah_prob > 0.5) ? '-' : '.';
+            last_confidence_ = (dah_prob > 0.5) ? dah_prob : (1.0 - dah_prob);
+            last_sequence_ = current_sequence_;
+
+        } else {
+            uint32_t gap_duration = -duration_ms;
+            pulse_gaps_.push_back(gap_duration);
+
+            if (gap_duration >= getInterCharThreshold() && !current_sequence_.empty()) {
+                result.text = lookupMorse(current_sequence_);
+
+                result.confidence = (result.text[0] != '{') ? last_confidence_ : 0.0;
+                if (gap_duration >= getInterWordThreshold()) {
+                    result.text += " ";
+                }
+                current_sequence_ = "";
+            }
+        }
+
+        updateLearning();
+
+        return result;
+    }
+
+    inline double getInterElementThreshold() { return time_unit_ms_ * 0.8; }
+    inline double getInterCharThreshold() { return time_unit_ms_ * 2.5; }
+    inline double getInterWordThreshold() { return time_unit_ms_ * 6.0; }
+
+    inline double getCurrentTimeUnit() { return time_unit_ms_; }
+    inline std::string getLastSequence() { return last_sequence_; }
+
+   private:
+    std::string current_sequence_ = "";
+    std::string last_sequence_ = "";
+    double time_unit_ms_ = 119.0;
+    double last_confidence_ = 0.0;
+    MorseRingBuffer pulse_history_{};
+    MorseRingBuffer pulse_gaps_{};
+
+    std::string lookupMorse(const std::string& seq) {
+        for (size_t i = 0; i < morse_table_size_; i++) {
+            if (seq == morse_table_[i].code)
+                return morse_table_[i].letter;
+        }
+        return "{" + seq + "}";  // not found
+    }
+
+    double getDahProbability(uint32_t duration_ms) {
+        double start_interp = 1.5 * time_unit_ms_;
+        double end_interp = 2.5 * time_unit_ms_;
+
+        if (duration_ms <= start_interp) return 0.0;
+        if (duration_ms >= end_interp) return 1.0;
+        return ((double)(duration_ms)-start_interp) / (end_interp - start_interp);
+    }
+
+    size_t findDecisionBoundary(uint32_t* sorted_data, size_t sorted_data_size) {
+        if (sorted_data_size < 4) return 0;
+
+        size_t best_split_index = 0;
+        uint32_t max_diff = 0;
+
+        for (size_t i = 1; i < sorted_data_size; ++i) {
+            uint32_t diff = sorted_data[i] - sorted_data[i - 1];
+            if (diff > sorted_data[i - 1] * 0.5 && diff > max_diff) {
+                max_diff = diff;
+                best_split_index = i;
+            }
+        }
+        return best_split_index;
+    }
+
+    bool calculatePulseUnit(double& unit, double& confidence) {
+        if (pulse_history_.size() < 10) return false;
+        uint32_t sorted_pulses[pulse_history_.size()];
+        pulse_history_.copy_to_array(sorted_pulses);
+        sort_uint32(sorted_pulses, pulse_history_.size());
+
+        size_t split_index = findDecisionBoundary(sorted_pulses, pulse_history_.size());
+        if (split_index == 0 || split_index < 3 || (pulse_history_.size() - split_index) < 2) {
+            return false;
+        }
+        double dit_sum = sum_uint32_range(sorted_pulses, 0, split_index);
+        double dah_sum = sum_uint32_range(sorted_pulses, split_index, pulse_history_.size());
+
+        double avg_dit = dit_sum / split_index;
+        double avg_dah = dah_sum / (pulse_history_.size() - split_index);
+        if (avg_dah <= avg_dit) return false;
+
+        double ratio = avg_dah / avg_dit;
+        if (ratio > 1.5 && ratio < 5.0) {
+            unit = avg_dit;
+            double tmpabs = ratio - 3.0;
+            if (tmpabs < 0) tmpabs *= -1;
+            tmpabs /= 3.0;
+            tmpabs = 1.0 - tmpabs;
+            if (tmpabs < 0) tmpabs = 0;
+            confidence = tmpabs;  // 0..1
+            return true;
+        }
+
+        return false;
+    }
+
+    bool calculateGapUnit(double& unit, double& confidence) {
+        if (pulse_gaps_.size() < 10) return false;
+        double threshold = getInterElementThreshold();
+        double valid_gaps[pulse_gaps_.size()];
+        size_t valid_count = 0;
+        for (size_t i = 0; i < pulse_gaps_.size(); i++) {
+            double gap = pulse_gaps_[i];
+            if (gap <= threshold) {
+                valid_gaps[valid_count++] = gap;
+            }
+        }
+        if (valid_count < 2) {
+            return false;
+        }
+        double sum = sum_double_range(valid_gaps, 0, valid_count);
+        size_t count_to_average = valid_count;
+
+        if (count_to_average > 0) {
+            unit = sum / count_to_average;
+            confidence = 0.8;
+            return true;
+        }
+
+        return false;
+    }
+
+    double sum_uint32_range(const uint32_t* data, size_t start, size_t end) {
+        double sum = 0.0;
+        for (size_t i = start; i < end; i++) {
+            sum += data[i];
+        }
+        return sum;
+    }
+    double sum_double_range(const double* data, size_t start, size_t end) {
+        double sum = 0.0;
+        for (size_t i = start; i < end; i++) {
+            sum += data[i];
+        }
+        return sum;
+    }
+
+    void sort_uint32(uint32_t* data, size_t size) {
+        if (size < 2)
+            return;
+
+        for (size_t i = 1; i < size; i++) {
+            uint32_t key = data[i];
+            size_t j = i;
+
+            while (j > 0 && data[j - 1] > key) {
+                data[j] = data[j - 1];
+                j--;
+            }
+
+            data[j] = key;
+        }
+    }
+
+    double clamp_double(double value, double min_val, double max_val) {
+        if (value < min_val)
+            return min_val;
+        else if (value > max_val)
+            return max_val;
+        else
+            return value;
+    }
+
+    void updateLearning() {
+        double pulse_unit = -1.0, pulse_confidence = 0.0;
+        double gap_unit = -1.0, gap_confidence = 0.0;
+
+        bool pulse_success = calculatePulseUnit(pulse_unit, pulse_confidence);
+        bool gap_success = calculateGapUnit(gap_unit, gap_confidence);
+
+        double new_time_unit = -1.0;
+        if (pulse_success && pulse_confidence > 0.5) {
+            new_time_unit = pulse_unit;
+        } else if (pulse_success && gap_success) {
+            gap_confidence = 0.2;
+            double total_confidence = pulse_confidence + gap_confidence;
+            new_time_unit = (pulse_unit * pulse_confidence + gap_unit * gap_confidence) / total_confidence;
+        } else if (gap_success) {
+            new_time_unit = gap_unit;
+        } else {
+            return;
+        }
+
+        double max_change = time_unit_ms_ * 0.25;
+        new_time_unit = clamp_double(new_time_unit, time_unit_ms_ - max_change, time_unit_ms_ + max_change);
+        double DEFAULT_TIME_UNIT = 160.0;
+        double BASE_LEARNING_RATE = 0.05;
+        double MAX_LEARNING_RATE = 0.25;
+        double tudeltaabs = new_time_unit - DEFAULT_TIME_UNIT;
+        if (tudeltaabs < 0) tudeltaabs *= -1;
+        double deviation_from_default = tudeltaabs / DEFAULT_TIME_UNIT;
+        double tpp = deviation_from_default * 2.0;
+        if (tpp > 1) tpp = 1;
+        double learning_factor = BASE_LEARNING_RATE + (MAX_LEARNING_RATE - BASE_LEARNING_RATE) * tpp;
+
+        time_unit_ms_ = (time_unit_ms_ * (1.0 - learning_factor)) + (new_time_unit * learning_factor);
+    }
+
+    size_t morse_table_size_ = 50;
+    MorseEntry morse_table_[50] = {
+        {".-", "A"},
+        {"-...", "B"},
+        {"-.-.", "C"},
+        {"-..", "D"},
+        {".", "E"},
+        {"..-.", "F"},
+        {"--.", "G"},
+        {"....", "H"},
+        {"..", "I"},
+        {".---", "J"},
+        {"-.-", "K"},
+        {".-..", "L"},
+        {"--", "M"},
+        {"-.", "N"},
+        {"---", "O"},
+        {".--.", "P"},
+        {"--.-", "Q"},
+        {".-.", "R"},
+        {"...", "S"},
+        {"-", "T"},
+        {"..-", "U"},
+        {"...-", "V"},
+        {".--", "W"},
+        {"-..-", "X"},
+        {"-.--", "Y"},
+        {"--..", "Z"},
+        {".----", "1"},
+        {"..---", "2"},
+        {"...--", "3"},
+        {"....-", "4"},
+        {".....", "5"},
+        {"-....", "6"},
+        {"--...", "7"},
+        {"---..", "8"},
+        {"----.", "9"},
+        {"-----", "0"},
+        {".-.-.-", "."},
+        {"..--..", "?"},
+        {"-.-.--", "!"},
+        {"--..--", ","},
+        {"-...-", "="},
+        {"-..-.", "/"},
+        {".--.-.", "@"},
+        {"---...", ":"},
+        {"-....-", "-"},
+        {".----.", "'"},
+        {".-..-.", "\""},
+        {"-.--.", "("},
+        {"-.--.-", ")"},
+        {".-.-.", "+"}};
+};
+
+}  // namespace ui::external_app::morse_radio
+
+#endif  // __MORSEDECODER_HPP__
@@ -0,0 +1,266 @@
+#include "ui_morse_radio.hpp"
+#include "portapack_persistent_memory.hpp"
+
+using namespace portapack;
+
+namespace ui::external_app::morse_radio {
+
+MorseRadioView::MorseRadioView(ui::NavigationView& nav)
+    : nav_(nav) {
+    baseband::run_prepared_image(portapack::memory::map::m4_code.base());
+    add_children({&rssi,
+                  &field_rf_amp,
+                  &field_lna,
+                  &field_vga,
+                  &field_volume,
+                  &field_frequency,
+                  &txt_last,
+                  &txt_speed,
+                  &btn_clear,
+                  &console_text,
+                  &labels,
+                  &chk_log,
+                  &field_squelch});
+    field_frequency.set_step(100);
+
+    btn_clear.on_select = [this](Button&) {
+        console_text.clear(true);
+        txt_last.set("");
+        time_stamp = false;
+        if (logger && save_log)
+            logger->init_daily_log(logs_dir);
+    };
+
+    audio::set_rate(audio::Rate::Hz_24000);
+    audio::output::start();
+
+    receiver_model.set_sampling_rate(3072000);
+    receiver_model.set_baseband_bandwidth(1750000);
+    receiver_model.set_hidden_offset(0);
+    baseband::set_moreserx_config();
+    receiver_model.set_am_configuration(4);
+    receiver_model.set_modulation(ReceiverModel::Mode::NarrowbandFMAudio);
+    receiver_model.enable();
+
+    auto vol = field_volume.value();  // audio volume fix
+    field_volume.set_value(0);
+    field_volume.set_value(vol);
+
+    field_squelch.set_value(receiver_model.squelch_level());
+    field_squelch.on_change = [this](int32_t v) {
+        receiver_model.set_squelch_level(v);
+    };
+
+    logger = std::make_unique<MorseLogger>();
+
+    chk_log.on_select = [this](Checkbox&, bool save) {
+        save_log = save;
+        if (logger && save_log)
+            logger->init_daily_log(logs_dir);
+    };
+}
+
+void MorseLogger::init_daily_log(const std::filesystem::path& log_dir) {
+    auto now = rtc_time::now();
+    std::string pattern = "morse_";
+    uint16_t y = now.year();
+    pattern += (char)('0' + (y / 1000) % 10);
+    pattern += (char)('0' + (y / 100) % 10);
+    pattern += (char)('0' + (y / 10) % 10);
+    pattern += (char)('0' + (y % 10));
+
+    uint8_t m = now.month();
+    pattern += (char)('0' + (m / 10) % 10);
+    pattern += (char)('0' + (m % 10));
+
+    uint8_t d = now.day();
+    pattern += (char)('0' + (d / 10) % 10);
+    pattern += (char)('0' + (d % 10));
+
+    pattern += "_???.TXT";
+
+    auto full_pattern_path = log_dir / pattern;
+    auto final_path = next_filename_matching_pattern(full_pattern_path);
+    if (!final_path.empty()) {
+        this->append(final_path);
+    }
+}
+
+void MorseLogger::radio_set_log() {
+    int64_t freq = receiver_model.target_frequency();
+    std::string header = "Freq:" + to_string_dec_int(freq / 1000000) + "." + to_string_dec_int((freq % 1000000) / 1000, 3);
+    header += "MHz SQ:" + to_string_dec_uint(receiver_model.squelch_level());
+    header += " LNA:" + to_string_dec_uint(receiver_model.lna());
+    header += " VGA:" + to_string_dec_uint(receiver_model.vga());
+    header += " AMP:" + std::string(receiver_model.rf_amp() ? "ON" : "OFF");
+    header += "\r\nMessage:\r\n";
+
+    log_file.write_raw(header);
+}
+
+bool MorseLogger::on_packet(const std::string& content, bool time) {
+    if (!time) {
+        log_file.write_raw_no_newline("\r\n\r\n");
+        auto timestamp = to_string_datetime(rtc_time::now(), YMDHMS);
+        log_file.write_raw("[" + timestamp + "] ");
+
+        radio_set_log();
+
+        char_count = 0;
+        time = true;
+    }
+
+    if (content.empty()) return time;
+
+    for (char c : content) {
+        std::string s(1, c);
+
+        if ((char_count >= 35 && c == ' ') || (char_count >= 47)) {
+            log_file.write_raw_no_newline("\r\n");
+
+            if (c != ' ') {
+                log_file.write_raw_no_newline(s);
+                char_count = 1;
+            } else {
+                char_count = 0;
+            }
+        } else {
+            log_file.write_raw_no_newline(s);
+            char_count++;
+        }
+    }
+
+    return time;
+}
+
+MorseRadioView::~MorseRadioView() {
+    receiver_model.disable();
+    baseband::shutdown();
+    audio::output::stop();
+}
+
+void MorseRadioView::focus() {
+    field_frequency.focus();
+}
+
+void MorseRadioView::check_for_timeout() {
+    uint64_t now = chTimeNow();
+
+    if (last_activity_time == 0) {
+        last_activity_time = now;
+        return;
+    }
+
+    uint64_t quiet_duration = now - last_activity_time;
+
+    if (quiet_duration >= 60000) {
+        morse_decoder_.resetLearning();
+        time_stamp = false;
+        last_activity_time = now;
+    }
+}
+
+int32_t MorseRadioView::ProcessSignal(int32_t sig_time_us) {
+    int8_t sign = (sig_time_us > 0) ? 1 : ((sig_time_us < 0) ? -1 : 0);
+    int32_t result = 0;
+
+    if (last_sign_ == 0) {
+        last_sign_ = sign;
+        accumulator_us_ = sig_time_us;
+        long_pause_sent_ = false;
+        return 0;
+    }
+
+    if (sign == last_sign_) {
+        accumulator_us_ += sig_time_us;
+
+        if (sign < 0) {
+            int32_t threshold_us = morse_decoder_.getInterWordThreshold() * 1000;
+
+            if (!long_pause_sent_ && accumulator_us_ <= -threshold_us) {
+                result = accumulator_us_ / 1000;
+                long_pause_sent_ = true;
+            }
+        }
+    } else {
+        // state change
+        if (!long_pause_sent_) {
+            result = accumulator_us_ / 1000;
+        } else {
+            result = 0;
+        }
+
+        accumulator_us_ = sig_time_us;
+        last_sign_ = sign;
+        long_pause_sent_ = false;
+    }
+
+    return result;
+}
+
+void MorseRadioView::on_data(const MorseRXDataMessage* message) {
+    uint16_t start = 0;
+    uint16_t stop = 0;
+    bool has_valid = false;
+    int32_t r;
+
+    for (uint16_t i = 0; i <= message->maxptr; ++i) {
+        if (message->state_durations[i] >= 30000 || message->state_durations[i] <= -30000) {
+            if (!has_valid) {
+                start = i;
+            }
+        } else {
+            has_valid = true;
+            stop = i;
+        }
+    }
+    if (!has_valid) return;  // no valid data arrived
+
+    for (uint16_t i = start; i <= stop; i++) {
+        r = ProcessSignal(message->state_durations[i]);
+        auto result = morse_decoder_.handleInput((r != 0) ? r : 0);
+        if (result.isValid()) {
+            last_activity_time = chTimeNow();  // start reset timer on valid input
+            writeCharToConsole(result.text, result.confidence);
+            if (logger && save_log) {
+                time_stamp = logger->on_packet(result.text, time_stamp);
+            }
+            float dah_time = morse_decoder_.getCurrentTimeUnit() * 3.0f;
+
+            if (dah_time > 0) {
+                uint16_t wpm = (uint16_t)(3600.0f / (dah_time + 18.0f) + 0.5f);
+
+                txt_speed.set(to_string_dec_uint(wpm));
+            }
+        }
+    }
+}
+
+void MorseRadioView::writeCharToConsole(const std::string& ch, double confidence) {
+    if (ch.empty()) {
+        return;
+    }
+
+    txt_last.set(morse_decoder_.getLastSequence().c_str());
+
+    last_color_id = color_id;
+    std::string color = "";
+
+    if (ch == " ") {
+        color_id = 0;
+    } else if (ch[0] == '{') {  // no match
+        color_id = 0;
+    } else {
+        if (confidence < 0.8)
+            color_id = 1;
+        else if (confidence < 0.9)
+            color_id = 2;
+        else
+            color_id = 3;
+    }
+    color = arr_color[color_id];
+    last_color_id = color_id;
+    console_text.write(color + ch);
+}
+
+}  // namespace ui::external_app::morse_radio
@@ -0,0 +1,150 @@
+/*
+ * Copyright (C) 2026 Pezsma
+ *
+ * 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 __MORSE_RADIO_H__
+#define __MORSE_RADIO_H__
+
+#include "ui.hpp"
+#include "ui_widget.hpp"
+#include "ui_navigation.hpp"
+#include "string_format.hpp"
+#include "external_app.hpp"
+#include "ui_freq_field.hpp"
+#include "radio_state.hpp"
+#include "portapack.hpp"
+#include "message.hpp"
+#include "audio.hpp"
+#include "baseband_api.hpp"
+#include "receiver_model.hpp"
+#include "tone_key.hpp"
+#include "log_file.hpp"
+#include "file_path.hpp"
+#include "file.hpp"
+#include "rtc_time.hpp"
+#include "morsedecoder.hpp"
+#include <cstdint>
+
+namespace ui::external_app::morse_radio {
+
+class MorseRadioView;
+
+class MorseLogger {
+   public:
+    Optional<File::Error> append(const std::filesystem::path& filename) {
+        return log_file.append(filename);
+    }
+
+    void init_daily_log(const std::filesystem::path& log_dir);
+    bool on_packet(const std::string& content, bool time);
+    void radio_set_log();
+
+   private:
+    LogFile log_file{};
+    uint8_t char_count{0};  // log file line break
+};
+
+class MorseRadioView : public ui::View {
+   public:
+    MorseRadioView(ui::NavigationView& nav);
+    ~MorseRadioView();
+    std::string title() const override {
+        return "Morse";
+    }
+    void focus() override;
+
+   private:
+    void writeCharToConsole(const std::string& ch, double confidence);
+    void on_data(const MorseRXDataMessage* message);
+    void on_message(const Message* const p);
+    void check_for_timeout();
+    int32_t ProcessSignal(int32_t sig_time_us);
+    ui::NavigationView& nav_;
+    MorseDecoder morse_decoder_{};
+    RxRadioState radio_state_{};
+    std::unique_ptr<MorseLogger> logger{};
+    app_settings::SettingsManager settings_{
+        "trx_morese_radio", app_settings::Mode::RX_TX};
+
+    RxFrequencyField field_frequency{
+        {UI_POS_X(0), UI_POS_Y(0)},
+        nav_};
+    RFAmpField field_rf_amp{
+        {UI_POS_X(13), UI_POS_Y(0)}};
+    LNAGainField field_lna{
+        {UI_POS_X(15), UI_POS_Y(0)}};
+    VGAGainField field_vga{
+        {UI_POS_X(18), UI_POS_Y(0)}};
+    RSSI rssi{
+        {UI_POS_X(21), UI_POS_Y(0), UI_POS_WIDTH_REMAINING(24), 4}};
+
+    AudioVolumeField field_volume{
+        {UI_POS_X_RIGHT(2), UI_POS_Y(0)}};
+
+    NumberField field_squelch{
+        {UI_POS_X(10), UI_POS_Y(1)},
+        2,
+        {0, 99},
+        1,
+        ' ',
+    };
+    ui::Text txt_speed{{UI_POS_X(23), UI_POS_Y(1), UI_POS_WIDTH(3), UI_POS_HEIGHT(1)}, "??"};
+    ui::Text txt_last{{UI_POS_X(12), UI_POS_Y(4), UI_POS_WIDTH_REMAINING(12), UI_POS_HEIGHT(1)}, ""};
+    ui::Console console_text{{UI_POS_X(0), UI_POS_Y(5), UI_POS_MAXWIDTH, UI_POS_HEIGHT_REMAINING(7)}};
+    ui::Labels labels{
+        {{UI_POS_X(0), UI_POS_Y(1)}, "Squelch:", Theme::getInstance()->fg_light->foreground},
+        {{UI_POS_X(15), UI_POS_Y(1)}, "Speed:", Theme::getInstance()->fg_light->foreground},
+        {{UI_POS_X(26), UI_POS_Y(1)}, "wpm", Theme::getInstance()->fg_light->foreground},
+        {{UI_POS_X(0), UI_POS_Y(4)}, "Last seq.:", Theme::getInstance()->fg_light->foreground},
+    };
+    Checkbox chk_log{{UI_POS_X(0), UI_POS_Y(2)}, 12, "Log", false};
+    ui::Button btn_clear{{UI_POS_X(0), UI_POS_Y_BOTTOM(2), UI_POS_WIDTH(6), UI_POS_HEIGHT(1)}, "CLR"};
+
+    uint8_t last_color_id{255};
+    uint8_t color_id{255};
+    std::string arr_color[4] = {STR_COLOR_WHITE, STR_COLOR_RED, STR_COLOR_YELLOW, STR_COLOR_GREEN};
+
+    int32_t accumulator_us_{0};
+    int8_t last_sign_{0};
+    uint8_t space_timer{0};
+    bool long_pause_sent_{false};
+    bool save_log{false};
+    bool reset_triggered_{false};
+    bool time_stamp{false};
+    uint64_t last_activity_time{0};
+
+    MessageHandlerRegistration message_handler_packet{
+        Message::ID::MorseRXData,
+        [this](Message* const p) {
+            const auto message = static_cast<const MorseRXDataMessage*>(p);
+            this->on_data(message);
+        }};
+
+    MessageHandlerRegistration message_handler_framesync{
+        Message::ID::DisplayFrameSync,
+        [this](const Message* const p) {
+            (void)p;
+            this->check_for_timeout();
+        }};
+};
+
+}  // namespace ui::external_app::morse_radio
+
+#endif  // __MORSE_RADIO_H__
@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2024 Bernd Herzog
+ *
+ * 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 "ui_sd_over_usb.hpp"
+#include "ui_navigation.hpp"
+#include "external_app.hpp"
+
+namespace ui::external_app::sdusb {
+void initialize_app(ui::NavigationView& nav) {
+    nav.push<SdOverUsbView>();
+}
+}  // namespace ui::external_app::sdusb
+
+extern "C" {
+
+__attribute__((section(".external_app.app_sdusb.application_information"), used)) application_information_t _application_information_sdusb = {
+    /*.memory_location = */ (uint8_t*)0x00000000,
+    /*.externalAppEntry = */ ui::external_app::sdusb::initialize_app,
+    /*.header_version = */ CURRENT_HEADER_VERSION,
+    /*.app_version = */ VERSION_MD5,
+
+    /*.app_name = */ "SD Over USB",
+    /*.bitmap_data = */ {
+        0xF0,
+        0x0F,
+        0x10,
+        0x08,
+        0x50,
+        0x0A,
+        0x10,
+        0x08,
+        0x10,
+        0x08,
+        0x10,
+        0x08,
+        0xF8,
+        0x1F,
+        0xF8,
+        0x1F,
+        0xF8,
+        0x1F,
+        0xF8,
+        0x1F,
+        0xF8,
+        0x1F,
+        0xF8,
+        0x1F,
+        0xF8,
+        0x1F,
+        0xF0,
+        0x0F,
+        0x80,
+        0x01,
+        0x80,
+        0x01,
+    },
+    /*.icon_color = */ ui::Color::yellow().v,
+    /*.menu_location = */ app_location_t::UTILITIES,
+    /*.desired_menu_position = */ -1,
+
+    /*.m4_app_tag = portapack::spi_flash::image_tag_usb_sd */ {'P', 'U', 'S', 'B'},
+    /*.m4_app_offset = */ 0x00000000,  // will be filled at compile time
+};
+}
@@ -23,7 +23,7 @@
 #include "ui_sd_over_usb.hpp"
 #include "portapack_shared_memory.hpp"

-namespace ui {
+namespace ui::external_app::sdusb {

 SdOverUsbView::SdOverUsbView(NavigationView& nav)
    : nav_(nav) {
@@ -46,7 +46,7 @@ SdOverUsbView::SdOverUsbView(NavigationView& nav)
        sdcStop(&SDCD1);

        portapack::shutdown(true);
-        m4_init(portapack::spi_flash::image_tag_usb_sd, portapack::memory::map::m4_code, false);
+        baseband::run_prepared_image(portapack::memory::map::m4_code.base());
        m0_halt();
        /* will not return*/
    };
@@ -56,4 +56,4 @@ void SdOverUsbView::focus() {
    button_run.focus();
 }

-} /* namespace ui */
+}  // namespace ui::external_app::sdusb
@@ -32,7 +32,7 @@

 #include <cstdint>

-namespace ui {
+namespace ui::external_app::sdusb {

 class SdOverUsbView : public View {
   public:
@@ -58,6 +58,6 @@ class SdOverUsbView : public View {
        "Run"};
 };

-} /* namespace ui */
+}  // namespace ui::external_app::sdusb

 #endif /*__UI_SD_OVER_USB_H__*/
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2023 Bernd Herzog
+ *
+ * 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 "ui_siggen.hpp"
+#include "ui_navigation.hpp"
+#include "external_app.hpp"
+
+namespace ui::external_app::siggen {
+void initialize_app(ui::NavigationView& nav) {
+    nav.push<SigGenView>();
+}
+}  // namespace ui::external_app::siggen
+extern "C" {
+
+__attribute__((section(".external_app.app_siggen.application_information"), used)) application_information_t _application_information_siggen = {
+    /*.memory_location = */ (uint8_t*)0x00000000,
+    /*.externalAppEntry = */ ui::external_app::siggen::initialize_app,
+    /*.header_version = */ CURRENT_HEADER_VERSION,
+    /*.app_version = */ VERSION_MD5,
+
+    /*.app_name = */ "Signal gen",
+    /*.bitmap_data = */ {
+        0x18,
+        0x00,
+        0x24,
+        0x00,
+        0x42,
+        0x00,
+        0x42,
+        0x00,
+        0x42,
+        0x00,
+        0x42,
+        0x00,
+        0x81,
+        0x00,
+        0xAB,
+        0x6A,
+        0x80,
+        0x40,
+        0x00,
+        0x21,
+        0x00,
+        0x21,
+        0x00,
+        0x21,
+        0x00,
+        0x21,
+        0x00,
+        0x12,
+        0x00,
+        0x0C,
+        0x00,
+        0x00,
+    },
+    /*.icon_color = */ ui::Color::green().v,
+    /*.menu_location = */ app_location_t::TX,
+    /*.desired_menu_position = */ -1,
+
+    /*.m4_app_tag = portapack::spi_flash::image_tag_siggen */ {'P', 'S', 'I', 'G'},
+    /*.m4_app_offset = */ 0x00000000,  // will be filled at compile time
+};
+}
@@ -31,7 +31,7 @@

 using namespace portapack;

-namespace ui {
+namespace ui::external_app::siggen {

 void SigGenView::focus() {
    options_shape.focus();
@@ -75,7 +75,7 @@ void SigGenView::on_tx_progress(const uint32_t progress, const bool done) {

 SigGenView::SigGenView(
    NavigationView& nav) {
-    baseband::run_image(portapack::spi_flash::image_tag_siggen);
+    baseband::run_prepared_image(portapack::memory::map::m4_code.base());

    add_children({&labels,
                  &options_mod,
@@ -172,4 +172,4 @@ SigGenView::SigGenView(
    };
 }

-} /* namespace ui */
+}  // namespace ui::external_app::siggen
@@ -33,7 +33,7 @@
 #include "portapack.hpp"
 #include "message.hpp"

-namespace ui {
+namespace ui::external_app::siggen {

 class SigGenView : public View {
   public:
@@ -139,6 +139,6 @@ class SigGenView : public View {
        }};
 };

-} /* namespace ui */
+}  // namespace ui::external_app::siggen

 #endif /*__SIGGEN_H__*/
@@ -266,10 +266,11 @@ void SubCarRecentEntryDetailView::parseProtocol() {
    if (entry_.sensorType == FPC_Invalid) return;

    if (entry_.sensorType == FPC_SUZUKI) {
-        uint32_t serial_button = (((entry_.data >> 32) & 0xFFF) << 20) | (entry_.data >> 12);
-        serial = serial_button >> 4;
-        uint8_t buttonid = serial_button & 0xF;
-        cnt = (entry_.data >> 44) & 0xFFFF;
+        uint32_t data_high = (uint32_t)(entry_.data >> 32);
+        uint32_t data_low = (uint32_t)entry_.data;
+        serial = ((data_high & 0xFFF) << 16) | (data_low >> 16);
+        uint8_t buttonid = (data_low >> 12) & 0xF;
+        cnt = (data_high << 4) >> 16;
        btn = to_string_dec_uint(buttonid);
        return;
    }
@@ -320,15 +321,78 @@ void SubCarRecentEntryDetailView::parseProtocol() {
    }

    if (entry_.sensorType == FPC_KIAV5) {
-        serial = (uint32_t)(((entry_.data >> 32) & 0x0FFFFFFF) >> 1);
-        uint8_t button = (entry_.data >> 61) & 0x07;
+        uint64_t yek = 0;
+        for (int i = 0; i < 8; i++) {
+            uint8_t byte = (entry_.data2 >> (i * 8)) & 0xFF;
+            uint8_t reversed = 0;
+            for (int b = 0; b < 8; b++) {
+                if (byte & (1 << b))
+                    reversed |= (1 << (7 - b));
+            }
+            yek |= ((uint64_t)reversed << ((7 - i) * 8));
+        }
+        serial = (uint32_t)((yek >> 32) & 0x0FFFFFFF);
+        uint8_t button = (uint8_t)((yek >> 60) & 0x0F);
+        uint32_t encrypted = (uint32_t)(yek & 0xFFFFFFFF);
        btn = to_string_dec_uint(button);
-        cnt = (uint16_t)(entry_.data & 0xFFFF);
+        // decode
+        uint8_t keystore_bytes[] = {0x53, 0x54, 0x46, 0x52, 0x4b, 0x45, 0x30, 0x30};
+        uint8_t s0 = (encrypted & 0xFF);
+        uint8_t s1 = (encrypted >> 8) & 0xFF;
+        uint8_t s2 = (encrypted >> 16) & 0xFF;
+        uint8_t s3 = (encrypted >> 24) & 0xFF;
+        int round_index = 1;
+        for (size_t i = 0; i < 18; i++) {
+            uint8_t r = keystore_bytes[round_index] & 0xFF;
+            int steps = 8;
+            while (steps > 0) {
+                uint8_t base;
+                if ((s3 & 0x40) == 0) {
+                    base = (s3 & 0x02) == 0 ? 0x74 : 0x2E;
+                } else {
+                    base = (s3 & 0x02) == 0 ? 0x3A : 0x5C;
+                }
+
+                if (s2 & 0x08) {
+                    base = (((base >> 4) & 0x0F) | ((base & 0x0F) << 4)) & 0xFF;
+                }
+                if (s1 & 0x01) {
+                    base = ((base & 0x3F) << 2) & 0xFF;
+                }
+                if (s0 & 0x01) {
+                    base = (base << 1) & 0xFF;
+                }
+
+                uint8_t temp = (s3 ^ s1) & 0xFF;
+                s3 = ((s3 & 0x7F) << 1) & 0xFF;
+                if (s2 & 0x80) {
+                    s3 |= 0x01;
+                }
+                s2 = ((s2 & 0x7F) << 1) & 0xFF;
+                if (s1 & 0x80) {
+                    s2 |= 0x01;
+                }
+                s1 = ((s1 & 0x7F) << 1) & 0xFF;
+                if (s0 & 0x80) {
+                    s1 |= 0x01;
+                }
+                s0 = ((s0 & 0x7F) << 1) & 0xFF;
+
+                uint8_t chk = (base ^ (r ^ temp)) & 0xFF;
+                if (chk & 0x80) {
+                    s0 |= 0x01;
+                }
+                r = ((r & 0x7F) << 1) & 0xFF;
+                steps--;
+            }
+            round_index = (round_index - 1) & 0x7;
+        }
+        cnt = (s0 + (s1 << 8)) & 0xFFFF;
    }

    if (entry_.sensorType == FPC_KIAV3V4) {
        // not decrypted!
-        serial = SD_NO_SERIAL;  //(uint32_t)entry_.data;
+        serial = (uint32_t)entry_.data;
        // uint8_t button = entry_.data2 & 0xFF;
        btn = "?";  // to_string_dec_uint(button);
    }
@@ -344,7 +408,7 @@ void SubCarRecentEntryDetailView::parseProtocol() {
    if (entry_.sensorType == FPC_KIAV1) {
        serial = (uint32_t)((entry_.data >> 24) & 0xFFFFFFFF);
        uint8_t button = (uint8_t)((entry_.data >> 16) & 0xFF);
-        cnt = (uint8_t)((entry_.data >> 8) & 0xFF);
+        cnt = (uint8_t)((entry_.data >> 4) & 0xF) << 8 | ((entry_.data >> 8) & 0xFF);
        btn = to_string_dec_uint(button);
    }

@@ -0,0 +1,83 @@
+/*
+ * Copyright (C) 2025 Bernd Herzog
+ *
+ * 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 "ui_waterfall_designer.hpp"
+#include "ui_navigation.hpp"
+#include "external_app.hpp"
+
+namespace ui::external_app::waterfall_designer {
+void initialize_app(ui::NavigationView& nav) {
+    nav.push<WaterfallDesignerView>();
+}
+}  // namespace ui::external_app::waterfall_designer
+
+extern "C" {
+
+__attribute__((section(".external_app.app_waterfall_designer.application_information"), used)) application_information_t _application_information_waterfall_designer = {
+    /*.memory_location = */ (uint8_t*)0x00000000,
+    /*.externalAppEntry = */ ui::external_app::waterfall_designer::initialize_app,
+    /*.header_version = */ CURRENT_HEADER_VERSION,
+    /*.app_version = */ VERSION_MD5,
+
+    /*.app_name = */ "Wt Design",
+    /*.bitmap_data = */ {
+        0x00,
+        0x00,
+        0x00,
+        0x00,
+        0xFE,
+        0x7F,
+        0x03,
+        0xC0,
+        0x53,
+        0xD5,
+        0xAB,
+        0xCA,
+        0x53,
+        0xD5,
+        0xAB,
+        0xCA,
+        0x53,
+        0xD5,
+        0xAB,
+        0xCA,
+        0x53,
+        0xD5,
+        0x03,
+        0xC0,
+        0xFF,
+        0xFF,
+        0xFB,
+        0xD7,
+        0xFE,
+        0x7F,
+        0x00,
+        0x00,
+    },
+    /*.icon_color = */ ui::Color::cyan().v,
+    /*.menu_location = */ app_location_t::UTILITIES,
+    /*.desired_menu_position = */ -1,
+
+    /*.m4_app_tag = portapack::spi_flash::image_tag_none */ {'P', 'C', 'A', 'P'},
+    /*.m4_app_offset = */ 0x00000000,  // will be filled at compile time
+};
+}
@@ -0,0 +1,503 @@
+/*
+ * Copyleft Mr. Robot
+ * Copyright HTotoo
+ *
+ * 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_waterfall_designer.hpp"
+#include "baseband_api.hpp"
+#include "portapack.hpp"
+#include "ui_freqman.hpp"
+#include "file_path.hpp"
+#include "ui_fileman.hpp"
+#include "file_reader.hpp"
+#include "ui_textentry.hpp"
+
+using namespace portapack;
+
+namespace ui::external_app::waterfall_designer {
+
+WaterfallDesignerView::WaterfallDesignerView(NavigationView& nav)
+    : nav_{nav} {
+    baseband::run_prepared_image(portapack::memory::map::m4_code.base());
+
+    add_children({&labels,
+                  &field_frequency,
+                  &field_frequency_step,
+                  &field_rf_amp,
+                  &field_lna,
+                  &field_vga,
+                  &option_bandwidth,
+                  &record_view,
+                  &menu_view,
+                  &button_new,
+                  &button_open,
+                  &button_save,
+                  &button_add_level,
+                  &button_remove_level,
+                  &button_edit_color,
+                  &button_apply_setting,
+                  &waterfall});
+    ensure_directory(waterfalls_dir);
+    ui::Rect waterfall_rect{0, header_height, screen_rect().width(), screen_rect().height() - header_height};
+    waterfall.set_parent_rect(waterfall_rect);
+
+    menu_view.set_parent_rect({0, 1 * 16, screen_width, 7 * 16});
+
+    field_frequency_step.set_by_value(receiver_model.frequency_step());
+    field_frequency_step.on_change = [this](size_t, OptionsField::value_t v) {
+        receiver_model.set_frequency_step(v);
+        this->field_frequency.set_step(v);
+    };
+
+    freqman_set_bandwidth_option(SPEC_MODULATION, option_bandwidth);
+    option_bandwidth.on_change = [this](size_t, uint32_t new_capture_rate) {
+        /* Nyquist would imply a sample rate of 2x bandwidth, but because the ADC
+         * provides 2 values (I,Q), the sample_rate is equal to bandwidth here. */
+
+        /* capture_rate (bandwidth) is used for FFT calculation and display LCD, and also in recording writing SD Card rate. */
+        /* ex. sampling_rate values, 4Mhz, when recording 500 kHz (BW) and fs 8 Mhz, when selected 1 Mhz BW ... */
+        /* ex. recording 500kHz BW to .C16 file, base_rate clock 500kHz x2(I,Q) x 2 bytes (int signed) =2MB/sec rate SD Card. */
+
+        waterfall.stop();
+
+        // record_view determines the correct oversampling to apply and returns the actual sample rate.
+        // NB: record_view is what actually updates proc_capture baseband settings.
+        auto actual_sample_rate = record_view.set_sampling_rate(new_capture_rate);
+
+        // Update the radio model with the actual sampling rate.
+        receiver_model.set_sampling_rate(actual_sample_rate);
+
+        // Get suitable anti-aliasing BPF bandwidth for MAX2837 given the actual sample rate.
+        auto anti_alias_filter_bandwidth = filter_bandwidth_for_sampling_rate(actual_sample_rate);
+        receiver_model.set_baseband_bandwidth(anti_alias_filter_bandwidth);
+
+        capture_rate = new_capture_rate;
+
+        waterfall.start();
+    };
+
+    button_new.on_select = [this]() {
+        on_create_new_profile();
+    };
+
+    button_open.on_select = [this]() {
+        on_open_profile();
+    };
+
+    button_save.on_select = [this]() {
+        on_save_profile();
+    };
+
+    button_add_level.on_select = [this]() {
+        on_add_level();
+    };
+
+    button_remove_level.on_select = [this]() {
+        on_remove_level();
+    };
+
+    button_edit_color.on_select = [this]() {
+        on_edit_color();
+    };
+
+    button_apply_setting.on_select = [this]() {
+        if_apply_setting = true;
+        on_apply_current_to_wtf();
+        // nav_.pop();
+    };
+
+    menu_view.on_highlight = [this]() {
+        highlighted_index_ = menu_view.highlighted_index();
+    };
+
+    receiver_model.enable();
+    option_bandwidth.set_by_value(capture_rate);
+
+    record_view.on_error = [&nav](std::string message) {
+        nav.display_modal("Error", message);
+    };
+
+    button_save.hidden(true);
+    button_add_level.hidden(true);
+    button_remove_level.hidden(true);
+    button_edit_color.hidden(true);
+    button_apply_setting.hidden(true);
+
+    refresh_menu_view();
+}
+
+WaterfallDesignerView::WaterfallDesignerView(
+    NavigationView& nav,
+    ReceiverModel::settings_t override)
+    : WaterfallDesignerView(nav) {
+    // Settings to override when launched from another app (versus from AppSettings .ini file)
+    field_frequency.set_value(override.frequency_app_override);
+}
+
+WaterfallDesignerView::~WaterfallDesignerView() {
+    if (!if_apply_setting) restore_current_profile();
+    receiver_model.disable();
+    baseband::shutdown();
+}
+
+void WaterfallDesignerView::set_parent_rect(const Rect new_parent_rect) {
+    View::set_parent_rect(new_parent_rect);
+
+    ui::Rect waterfall_rect{0, header_height, new_parent_rect.width(), new_parent_rect.height() - header_height};
+    waterfall.set_parent_rect(waterfall_rect);
+}
+
+void WaterfallDesignerView::focus() {
+    button_open.focus();
+}
+
+void WaterfallDesignerView::on_freqchg(int64_t freq) {
+    field_frequency.set_value(freq);
+}
+
+void WaterfallDesignerView::on_open_profile() {
+    auto open_view = nav_.push<FileLoadView>(".txt");
+    open_view->push_dir(waterfalls_dir);
+    open_view->on_changed = [this](std::filesystem::path new_file_path) {
+        on_profile_changed(new_file_path);
+    };
+}
+
+void WaterfallDesignerView::on_profile_changed(std::filesystem::path new_profile_path) {
+    current_profile_path = new_profile_path;
+    profile_levels.clear();
+
+    File playlist_file;
+    auto error = playlist_file.open(new_profile_path.string());
+
+    if (error) return;
+
+    menu_view.clear();
+    auto reader = FileLineReader(playlist_file);
+
+    for (const auto& line : reader) {
+        profile_levels.push_back(line);
+    }
+
+    for (auto& line : profile_levels) {
+        // remove empty lines
+        if (line == "\n" || line == "\r\n" || line == "\r") {
+            profile_levels.erase(std::remove(profile_levels.begin(), profile_levels.end(), line), profile_levels.end());
+        }
+
+        // remove line end \n etc
+        if (line.length() > 0 && (line[line.length() - 1] == '\n' || line[line.length() - 1] == '\r')) {
+            line = line.substr(0, line.length() - 1);
+        }
+    }
+
+    button_save.hidden(false);
+    button_add_level.hidden(false);
+    button_remove_level.hidden(false);
+    button_edit_color.hidden(false);
+    button_apply_setting.hidden(false);
+
+    refresh_menu_view();
+    on_apply_current_to_wtf();
+}
+
+void WaterfallDesignerView::refresh_menu_view() {
+    menu_view.clear();
+
+    for (const auto& line : profile_levels) {
+        if (line.length() == 0 || line[0] == '#') {
+            menu_view.add_item({line,
+                                ui::Color::grey(),
+                                &bitmap_icon_notepad,
+                                [this](KeyEvent) {
+                                    button_add_level.focus();
+                                }});
+        } else {
+            // index,R,G,B
+            size_t pos = 0;
+            size_t next_pos = 0;
+
+            // pass index
+            next_pos = line.find(',', pos);
+            if (next_pos == std::string::npos) continue;
+            pos = next_pos + 1;
+
+            // r
+            next_pos = line.find(',', pos);
+            if (next_pos == std::string::npos) continue;
+            uint8_t r = static_cast<uint8_t>(std::stoi(line.substr(pos, next_pos - pos)));
+            pos = next_pos + 1;
+
+            // g
+            next_pos = line.find(',', pos);
+            if (next_pos == std::string::npos) continue;
+            uint8_t g = static_cast<uint8_t>(std::stoi(line.substr(pos, next_pos - pos)));
+            pos = next_pos + 1;
+
+            // b
+            uint8_t b = static_cast<uint8_t>(std::stoi(line.substr(pos)));
+
+            ui::Color color = ui::Color(r, g, b);
+            menu_view.add_item({line,
+                                color,
+                                &bitmap_icon_cwgen,
+                                [this](KeyEvent) {
+                                    button_remove_level.focus();
+                                }});
+        }
+    }
+    set_dirty();
+}
+
+void WaterfallDesignerView::on_apply_current_to_wtf() {
+    std::filesystem::path system_read_path = "waterfall.txt";
+    copy_file(current_profile_path, system_read_path);
+
+    waterfall.load_gradient();
+
+    set_dirty();
+}
+
+void WaterfallDesignerView::on_save_profile() {
+    if (current_profile_path.empty()) {
+        nav_.display_modal("Err", "No profile file loaded");
+        return;
+    } else if (profile_levels.empty()) {
+        nav_.display_modal("Err", "List is empty");
+        return;
+    }
+
+    File profile_file;
+    auto error = profile_file.open(current_profile_path.string(), false, false);
+
+    if (error) {
+        nav_.display_modal("Err", "open err");
+        return;
+    }
+
+    // clear file
+    profile_file.seek(0);
+    profile_file.truncate();
+
+    // write new data
+    for (const auto& entry : profile_levels) {
+        profile_file.write_line(entry);
+    }
+
+    nav_.display_modal("Save", "Saved profile\n" + current_profile_path.string());
+}
+
+void WaterfallDesignerView::on_add_level() {
+    if (highlighted_index_ >= profile_levels.size()) return;
+    if (profile_levels[highlighted_index_].empty()) return;
+    if (profile_levels[highlighted_index_][0] == '#') return;
+    if (profile_levels[highlighted_index_].find(',') == std::string::npos) return;
+    size_t insert_pos = highlighted_index_;
+    std::string new_entry = "0,128,128,128";
+    profile_levels.insert(profile_levels.begin() + insert_pos, new_entry);
+    refresh_menu_view();
+    on_edit_color();
+}
+
+void WaterfallDesignerView::on_remove_level() {
+    if (highlighted_index_ >= profile_levels.size()) return;
+    if (profile_levels[highlighted_index_].empty()) return;
+    if (profile_levels[highlighted_index_][0] == '#') return;
+    if (profile_levels[highlighted_index_].find(',') == std::string::npos) return;
+    profile_levels.erase(profile_levels.begin() + highlighted_index_);
+    refresh_menu_view();
+}
+
+void WaterfallDesignerView::on_edit_color() {
+    if (highlighted_index_ >= profile_levels.size()) return;
+    if (profile_levels[highlighted_index_].empty()) return;
+    if (profile_levels[highlighted_index_][0] == '#') return;
+    if (profile_levels[highlighted_index_].find(',') == std::string::npos) return;
+
+    auto color_picker_view = nav_.push<WaterfallDesignerColorPickerView>(profile_levels[highlighted_index_]);
+    color_picker_view->on_save = [this](std::string new_color) {
+        profile_levels[highlighted_index_] = new_color;
+        refresh_menu_view();
+        on_apply_current_to_wtf();
+    };
+}
+
+void WaterfallDesignerView::backup_current_profile() {
+    std::filesystem::path curren_wtf_path = "waterfall.txt";
+    std::filesystem::path backup_path = waterfalls_dir / "wtf_des_bk.bk";
+    copy_file(curren_wtf_path, backup_path);
+}
+
+void WaterfallDesignerView::restore_current_profile() {
+    std::filesystem::path backup_path = waterfalls_dir / "wtf_des_bk.bk";
+    std::filesystem::path put_back_path = "waterfall.txt";
+    copy_file(backup_path, put_back_path);
+    delete_file(backup_path);
+}
+
+void WaterfallDesignerView::on_apply_setting() {
+}
+
+void WaterfallDesignerView::on_create_new_profile() {
+    text_prompt(
+        nav_,
+        file_name_buffer,
+        32 - 4,  // fat32
+        ENTER_KEYBOARD_MODE_ALPHA,
+        [this](std::string& buffer) {
+            if (buffer.empty()) return;
+
+            if (buffer.length() < 4 || buffer.substr(buffer.length() - 4) != ".txt") {
+                buffer += ".txt";
+            }
+
+            File new_file;
+            auto error = new_file.create(waterfalls_dir / buffer);
+            if (error) {
+                nav_.display_modal("Err", "create file err");
+                return;
+            }
+
+            profile_levels.clear();
+            current_profile_path = waterfalls_dir / buffer;
+            on_profile_changed(current_profile_path);
+        });
+}
+
+WaterfallDesignerColorPickerView::WaterfallDesignerColorPickerView(NavigationView& nav, std::string color_str)
+    : nav_{nav},
+      color_str_{color_str} {
+    add_children({&labels,
+                  &field_red,
+                  &field_green,
+                  &field_blue,
+                  &field_step,
+                  &field_index,
+                  &progressbar,
+                  &button_save});
+
+    progressbar.set_max(UINT8_MAX);
+
+    size_t pos = 0;
+    size_t next_pos = 0;
+
+    // index
+    next_pos = color_str.find(',', pos);
+    if (next_pos != std::string::npos) {
+        index_ = static_cast<uint8_t>(std::stoi(color_str.substr(pos, next_pos - pos)));
+        pos = next_pos + 1;
+    }
+
+    // r
+    next_pos = color_str.find(',', pos);
+    if (next_pos != std::string::npos) {
+        red_ = static_cast<uint8_t>(std::stoi(color_str.substr(pos, next_pos - pos)));
+        pos = next_pos + 1;
+    }
+
+    // g
+    next_pos = color_str.find(',', pos);
+    if (next_pos != std::string::npos) {
+        green_ = static_cast<uint8_t>(std::stoi(color_str.substr(pos, next_pos - pos)));
+        pos = next_pos + 1;
+    }
+
+    // b
+    blue_ = static_cast<uint8_t>(std::stoi(color_str.substr(pos)));
+
+    field_red.set_value(red_);
+    field_green.set_value(green_);
+    field_blue.set_value(blue_);
+    field_index.set_value(index_);
+
+    // cb
+    field_red.on_change = [this](int32_t) {
+        update_color_index();
+    };
+
+    field_green.on_change = [this](int32_t) {
+        update_color_index();
+    };
+
+    field_blue.on_change = [this](int32_t) {
+        update_color_index();
+    };
+
+    button_save.on_select = [this](Button&) {
+        if (on_save) on_save(build_color_str());
+        nav_.pop();
+    };
+
+    field_index.on_change = [this](int32_t) {
+        update_color_index();
+    };
+
+    field_step.on_change = [this](int32_t) {
+        field_red.set_step(field_step.value());
+        field_green.set_step(field_step.value());
+        field_blue.set_step(field_step.value());
+        field_index.set_step(field_step.value());
+    };
+
+    update_color_index();
+}
+
+void WaterfallDesignerColorPickerView::focus() {
+    button_save.focus();
+}
+
+void WaterfallDesignerColorPickerView::update_color_index() {
+    index_ = static_cast<uint8_t>(field_index.value());
+    red_ = static_cast<uint8_t>(field_red.value());
+    green_ = static_cast<uint8_t>(field_green.value());
+    blue_ = static_cast<uint8_t>(field_blue.value());
+
+    const Rect preview_rect{screen_width - 48, 1 * 16, 40, 40};
+
+    Painter painter_instance_2;
+    painter_instance_2.fill_rectangle(
+        {preview_rect.left(), preview_rect.top(), preview_rect.width(), preview_rect.height()},
+        ui::Color(red_, green_, blue_));
+}
+
+void WaterfallDesignerColorPickerView::paint(Painter& painter) {
+    // this is not duplicated code.
+    // because need to display color when enter,
+    // but it is too early to call update_color() in the constructor.
+
+    const Rect preview_rect{screen_width - 48, 1 * 16, 40, 40};
+
+    painter.fill_rectangle(
+        {preview_rect.left(), preview_rect.top(), preview_rect.width(), preview_rect.height()},
+        ui::Color(red_, green_, blue_));
+}
+
+std::string WaterfallDesignerColorPickerView::build_color_str() {
+    size_t index_pos = color_str_.find(',');
+    if (index_pos != std::string::npos) {
+        return color_str_.substr(0, index_pos + 1) +
+               to_string_dec_uint(red_) + "," +
+               to_string_dec_uint(green_) + "," +
+               to_string_dec_uint(blue_);
+    }
+    return to_string_dec_uint(index_) + "," + to_string_dec_uint(red_) + "," + to_string_dec_uint(green_) + "," + to_string_dec_uint(blue_);
+}
+
+} /* namespace ui::external_app::waterfall_designer */
@@ -0,0 +1,265 @@
+/*
+ * Copyleft Mr. Robot
+ * Copyright HTotoo
+ *
+ * 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 __WATERFALL_DESIGNER_APP_HPP__
+#define __WATERFALL_DESIGNER_APP_HPP__
+
+#include "ui_widget.hpp"
+#include "ui_navigation.hpp"
+#include "ui_receiver.hpp"
+#include "ui_freq_field.hpp"
+#include "ui_record_view.hpp"
+#include "ui_spectrum.hpp"
+#include "app_settings.hpp"
+#include "radio_state.hpp"
+#include "file_path.hpp"
+
+namespace ui::external_app::waterfall_designer {
+
+enum class ColorComponent {
+    RED,
+    GREEN,
+    BLUE
+};
+
+class WaterfallDesignerColorPickerView : public View {
+   public:
+    std::function<void(std::string)> on_save{};
+
+    WaterfallDesignerColorPickerView(NavigationView& nav, std::string color_str);
+
+    std::string title() const override { return "Color Picker"; };
+    void focus() override;
+    void paint(Painter& painter) override;
+
+   private:
+    NavigationView& nav_;
+    std::string color_str_;
+    uint8_t index_{0};
+    uint8_t red_{0};
+    uint8_t green_{0};
+    uint8_t blue_{0};
+
+    void update_color_index();
+    std::string build_color_str();
+
+    Labels labels{
+        {{0 * 8, 0 * 16}, "Index", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 2 * 16}, "Red", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 4 * 16}, "Green", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 6 * 16}, "Blue", Theme::getInstance()->fg_light->foreground},
+        {{0 * 8, 8 * 16}, "Step", Theme::getInstance()->fg_light->foreground}};
+
+    NumberField field_index{
+        {0 * 8, 1 * 16},
+        3,
+        {0, 255},
+        1,
+        ' '};
+
+    NumberField field_red{
+        {0 * 8, 3 * 16},
+        3,
+        {0, 255},
+        1,
+        ' '};
+
+    NumberField field_green{
+        {0 * 8, 5 * 16},
+        3,
+        {0, 255},
+        1,
+        ' '};
+
+    NumberField field_blue{
+        {0 * 8, 7 * 16},
+        3,
+        {0, 255},
+        1,
+        ' '};
+
+    NumberField field_step{
+        {0 * 8, 9 * 16},
+        3,
+        {0, 255},
+        1,
+        ' '};
+
+    ProgressBar progressbar{
+        {0 * 8,
+         screen_height - 4 * 16 - 2 * 16 - 1 * 16,
+         screen_width,
+         2 * 16}};
+
+    Button button_save{
+        {0, screen_height - 4 * 16, screen_width, 4 * 16},
+        "Save"};
+};
+
+class WaterfallDesignerView : public View {
+   public:
+    WaterfallDesignerView(NavigationView& nav);
+    WaterfallDesignerView(NavigationView& nav, ReceiverModel::settings_t override);
+    ~WaterfallDesignerView();
+
+    void focus() override;
+    void set_parent_rect(const Rect new_parent_rect) override;
+
+    std::string title() const override { return "Wtf Design"; };
+
+   private:
+    uint32_t capture_rate{500000};
+    uint32_t file_format{0};
+    uint32_t highlighted_index_{0};
+    bool trim{false};
+    std::filesystem::path current_profile_path = "";
+    NavigationView& nav_;
+    RxRadioState radio_state_{ReceiverModel::Mode::Capture};
+    app_settings::SettingsManager settings_{
+        "rx_wtf_designer",
+        app_settings::Mode::RX,
+        {
+            {"capture_rate"sv, &capture_rate},
+            {"file_format"sv, &file_format},
+            {"trim"sv, &trim},
+        }};
+
+    Labels labels{
+        {{0 * 8, 1 * 16}, "Rate:", Theme::getInstance()->fg_light->foreground},
+        {{11 * 8, 1 * 16}, "Format:", Theme::getInstance()->fg_light->foreground},
+    };
+
+    RxFrequencyField field_frequency{
+        {0 * 8, 0 * 16},
+        nav_};
+
+    FrequencyStepView field_frequency_step{
+        {10 * 8, 0 * 16}};
+
+    RFAmpField field_rf_amp{
+        {16 * 8, 0 * 16}};
+
+    LNAGainField field_lna{
+        {18 * 8, 0 * 16}};
+
+    VGAGainField field_vga{
+        {21 * 8, 0 * 16}};
+
+    OptionsField option_bandwidth{
+        {24 * 8, 0 * 16},
+        5,
+        {}};
+
+    MenuView menu_view{};
+
+    NewButton button_new{
+        {0 * 8, 8 * 16, 4 * 8, 32},
+        {},
+        &bitmap_icon_file,
+        Theme::getInstance()->fg_blue->foreground};
+
+    NewButton button_open{
+        {4 * 8, 8 * 16, 4 * 8, 32},
+        {},
+        &bitmap_icon_load,
+        Theme::getInstance()->fg_blue->foreground};
+
+    NewButton button_save{
+        {8 * 8, 8 * 16, 4 * 8, 32},
+        {},
+        &bitmap_icon_save,
+        Theme::getInstance()->fg_blue->foreground};
+
+    NewButton button_add_level{
+        {12 * 8, 8 * 16, 4 * 8, 32},
+        {},
+        &bitmap_icon_add,
+        Theme::getInstance()->fg_blue->foreground};
+
+    NewButton button_remove_level{
+        {16 * 8, 8 * 16, 4 * 8, 32},
+        {},
+        &bitmap_icon_delete,
+        Theme::getInstance()->fg_blue->foreground};
+
+    NewButton button_edit_color{
+        {20 * 8, 8 * 16, 4 * 8, 32},
+        {},
+        &bitmap_icon_notepad,
+        Theme::getInstance()->fg_blue->foreground};
+
+    NewButton button_apply_setting{
+        {24 * 8, 8 * 16, 4 * 8, 32},
+        {},
+        &bitmap_icon_replay,
+        Theme::getInstance()->fg_blue->foreground};
+
+    void backup_current_profile();
+    void restore_current_profile();
+    void on_create_new_profile();
+    void on_open_profile();
+    void on_profile_changed(std::filesystem::path new_profile_path);
+    void on_save_profile();
+    void on_add_level();
+    void on_remove_level();
+    void on_edit_color();
+
+    void refresh_menu_view();
+
+    void on_apply_current_to_wtf();  // will restore if didn't apple, when distruct
+    void on_apply_setting();         // apply set
+
+    bool if_apply_setting{false};
+    /*NB:
+    this works as:
+    each time you change color, it apply as file realtime
+    however if you don't push the apply (play) btn, it would resotore in distructor,
+    if you push apply, it would apply and exit*/
+
+    std::vector<std::string> profile_levels{};
+
+    static constexpr ui::Dim header_height = 10 * 16;
+
+    RecordView record_view{// we still need it cuz it make waterfall correct
+                           {screen_width, screen_height, 30 * 8, 1 * 16},
+                           u"BBD_????.*",
+                           captures_dir,
+                           RecordView::FileType::RawS16,
+                           16384,
+                           3};
+
+    spectrum::WaterfallView waterfall{};
+    std::string file_name_buffer{};  // needed by text_prompy
+
+    MessageHandlerRegistration message_handler_freqchg{
+        Message::ID::FreqChangeCommand,
+        [this](Message* const p) {
+            const auto message = static_cast<const FreqChangeCommandMessage*>(p);
+            this->on_freqchg(message->freq);
+        }};
+
+    void on_freqchg(int64_t freq);
+};
+
+} /* namespace ui::external_app::waterfall_designer */
+
+#endif /*__WATERFALL_DESIGNER_APP_HPP__*/
@@ -227,8 +227,8 @@ void controls_init() {
    gptStart(&GPTD1, &timer0_config);
    gptStartContinuous(&GPTD1, timer0_match_count);

-    // Enable repeat for directional switches only
-    for (auto i = Switch::Right; i <= Switch::Up; incr(i))
+    // Enable repeat for directional and Select switches only
+    for (auto i = Switch::Right; i <= Switch::Sel; incr(i))
        switch_debounce[toUType(i)].enable_repeat();
 }

@@ -38,3 +38,11 @@ Optional<File::Error> LogFile::write_raw(const std::string& message) {
    }
    return error;
 }
+
+Optional<File::Error> LogFile::write_raw_no_newline(const std::string& message) {
+    auto result_s = file.write(message.c_str(), message.size());
+    if (!result_s.is_error()) {
+        file.sync();
+    }
+    return {result_s.error()};
+}
@@ -40,6 +40,7 @@ class LogFile {
    Optional<File::Error> write_entry(const std::string& entry);
    Optional<File::Error> write_entry(const rtc::RTC& datetime, const std::string& entry);
    Optional<File::Error> write_raw(const std::string& message);
+    Optional<File::Error> write_raw_no_newline(const std::string& message);

   private:
    File file{};
@@ -206,13 +206,6 @@ bool set_tuning_frequency(const rf::Frequency frequency) {

 void set_rf_amp(const bool rf_amp) {
    rf_path.set_rf_amp(rf_amp);
-
-    if (direction == rf::Direction::Transmit) {
-        if (rf_amp)
-            led_tx.on();
-        else
-            led_tx.off();
-    }
 }

 void set_lna_gain(const int_fast8_t db) {
@@ -252,8 +252,6 @@ void ReceiverModel::enable() {

    // TODO: maybe not the perfect place for this, but it's reasonable.
    update_headphone_volume();
-
-    led_rx.on();
 }

 void ReceiverModel::disable() {
@@ -262,7 +260,6 @@ void ReceiverModel::disable() {
    // TODO: Responsibility for enabling/disabling the radio is muddy.
    // Some happens in ReceiverModel, some inside radio namespace.
    radio::disable();
-    led_rx.off();
 }

 void ReceiverModel::initialize() {
@@ -306,7 +303,8 @@ int32_t ReceiverModel::tuning_offset() {

 void ReceiverModel::update_tuning_frequency() {
    // TODO: use positive offset if freq < offset.
-    radio::set_tuning_frequency(target_frequency() + hidden_offset + tuning_offset());
+    if (enabled_)
+        radio::set_tuning_frequency(target_frequency() + hidden_offset + tuning_offset());
 }

 void ReceiverModel::set_hidden_offset(rf::Frequency offset) {
@@ -315,7 +313,8 @@ void ReceiverModel::set_hidden_offset(rf::Frequency offset) {
 }

 void ReceiverModel::update_baseband_bandwidth() {
-    radio::set_baseband_filter_bandwidth_rx(baseband_bandwidth());
+    if (enabled_)
+        radio::set_baseband_filter_bandwidth_rx(baseband_bandwidth());
 }

 void ReceiverModel::update_sampling_rate() {
@@ -324,23 +323,31 @@ void ReceiverModel::update_sampling_rate() {
    // protocols that need quick RX/TX turn-around.

    // Disabling baseband while changing sampling rates seems like a good idea...
-    radio::set_baseband_rate(sampling_rate());
+    if (enabled_)
+        radio::set_baseband_rate(sampling_rate());
+
    update_tuning_frequency();
 }

 void ReceiverModel::update_lna() {
-    radio::set_lna_gain(lna());
+    if (enabled_)
+        radio::set_lna_gain(lna());
 }

 void ReceiverModel::update_vga() {
-    radio::set_vga_gain(vga());
+    if (enabled_)
+        radio::set_vga_gain(vga());
 }

 void ReceiverModel::update_rf_amp() {
-    radio::set_rf_amp(rf_amp());
+    if (enabled_)
+        radio::set_rf_amp(rf_amp());
 }

 void ReceiverModel::update_modulation() {
+    if (!enabled_)
+        return;
+
    switch (modulation()) {
        default:
        case Mode::AMAudio:
@@ -395,5 +402,6 @@ void ReceiverModel::update_antenna_bias() {
 }

 void ReceiverModel::update_headphone_volume() {
-    audio::headphone::set_volume(headphone_volume());
+    if (enabled_)
+        audio::headphone::set_volume(headphone_volume());
 }
@@ -31,6 +31,8 @@
 #include "portapack_persistent_memory.hpp"
 #include "radio.hpp"

+#include <algorithm>
+
 using namespace hackrf::one;
 using namespace portapack;

@@ -70,7 +72,7 @@ void TransmitterModel::set_channel_bandwidth(uint32_t v) {
 }

 uint8_t TransmitterModel::tx_gain() const {
-    return settings_.tx_gain_db;
+    return std::min(settings_.tx_gain_db, portapack::persistent_memory::config_tx_gain_max_db());
 }

 void TransmitterModel::set_tx_gain(uint8_t v_db) {
@@ -79,7 +81,7 @@ void TransmitterModel::set_tx_gain(uint8_t v_db) {
 }

 bool TransmitterModel::rf_amp() const {
-    return settings_.rf_amp;
+    return settings_.rf_amp && !portapack::persistent_memory::config_tx_amp_disabled();
 }

 void TransmitterModel::set_rf_amp(bool enabled) {
@@ -92,6 +94,15 @@ void TransmitterModel::set_antenna_bias() {
 }

 void TransmitterModel::enable() {
+    if (portapack::persistent_memory::config_tx_disabled()) {
+        radio::disable();
+
+        TXDisabledMessage message;
+        EventDispatcher::send_message(message);
+
+        return;
+    }
+
    enabled_ = true;
    radio::set_direction(rf::Direction::Transmit);
    update_tuning_frequency();
@@ -101,7 +112,6 @@ void TransmitterModel::enable() {
    update_sampling_rate();
    update_tx_gain();

-    led_tx.on();
    signal_token_tick_second = rtc_time::signal_tick_second += [this]() {
        this->on_tick_second();
    };
@@ -118,7 +128,6 @@ void TransmitterModel::disable() {
    radio::disable();

    rtc_time::signal_tick_second -= signal_token_tick_second;
-    led_tx.off();
 }

 void TransmitterModel::initialize() {
@@ -135,11 +144,13 @@ void TransmitterModel::configure_from_app_settings(
 }

 void TransmitterModel::update_tuning_frequency() {
-    radio::set_tuning_frequency(target_frequency());
+    if (enabled_)
+        radio::set_tuning_frequency(target_frequency());
 }

 void TransmitterModel::update_baseband_bandwidth() {
-    radio::set_baseband_filter_bandwidth_tx(baseband_bandwidth());
+    if (enabled_)
+        radio::set_baseband_filter_bandwidth_tx(baseband_bandwidth());
 }

 void TransmitterModel::update_sampling_rate() {
@@ -148,17 +159,20 @@ void TransmitterModel::update_sampling_rate() {
    // protocols that need quick RX/TX turn-around.

    // Disabling baseband while changing sampling rates seems like a good idea...
+    if (enabled_)
+        radio::set_baseband_rate(sampling_rate());

-    radio::set_baseband_rate(sampling_rate());
    update_tuning_frequency();
 }

 void TransmitterModel::update_tx_gain() {
-    radio::set_tx_gain(tx_gain());
+    if (enabled_)
+        radio::set_tx_gain(tx_gain());
 }

 void TransmitterModel::update_rf_amp() {
-    radio::set_rf_amp(rf_amp());
+    if (enabled_)
+        radio::set_rf_amp(rf_amp());
 }

 void TransmitterModel::update_antenna_bias() {
@@ -332,6 +332,10 @@ WaterfallView::WaterfallView(const bool cursor) {
        }
    };

+    load_gradient();
+}
+
+void WaterfallView::load_gradient() {
    if (!waterfall_widget.gradient.load_file(default_gradient_file)) {
        waterfall_widget.gradient.set_default();
    }
@@ -146,6 +146,7 @@ class WaterfallView : public View {

    void set_parent_rect(const Rect new_parent_rect) override;
    void show_audio_spectrum_view(const bool show);
+    void load_gradient();

   private:
    void update_widgets_rect();
@@ -49,10 +49,9 @@
 #include "ui_rds.hpp"
 #include "ui_recon.hpp"
 // #include "ui_scanner.hpp"
-#include "ui_sd_over_usb.hpp"
+// #include "ui_sd_over_usb.hpp"
 #include "ui_search.hpp"
 #include "ui_settings.hpp"
-#include "ui_siggen.hpp"
 #include "ui_sonde.hpp"
 #include "ui_ss_viewer.hpp"
 // #include "ui_test.hpp"
@@ -114,7 +113,7 @@ 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>()},
+    {nullptr, "Transceiver", HOME, Color::cyan(), &bitmap_icon_transceivers, new ViewFactory<TransceiversMenuView>()},
    {"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>()},
@@ -140,7 +139,6 @@ const NavigationView::AppList NavigationView::appList = {
    {"pocsagtx", "POCSAG TX", TX, ui::Color::green(), &bitmap_icon_pocsag, new ViewFactory<POCSAGTXView>()},
    {"rdstx", "RDS", TX, ui::Color::green(), &bitmap_icon_rds, new ViewFactory<RDSView>()},
    {"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 *************************************************************/
@@ -148,7 +146,7 @@ const NavigationView::AppList NavigationView::appList = {
    {"freqman", "Freq. Manager", UTILITIES, Color::green(), &bitmap_icon_freqman, new ViewFactory<FrequencyManagerView>()},
    {"iqtrim", "IQ Trim", UTILITIES, Color::orange(), &bitmap_icon_trim, new ViewFactory<IQTrimView>()},
    {"notepad", "Notepad", UTILITIES, Color::dark_cyan(), &bitmap_icon_notepad, new ViewFactory<TextEditorView>()},
-    {nullptr, "SD Over USB", UTILITIES, Color::yellow(), &bitmap_icon_hackrf, new ViewFactory<SdOverUsbView>()},
+    //{nullptr, "SD Over USB", UTILITIES, Color::yellow(), &bitmap_icon_hackrf, new ViewFactory<SdOverUsbView>()},
    {nullptr, "Debug", UTILITIES, Color::light_grey(), &bitmap_icon_debug, new ViewFactory<DebugMenuView>()},
    //{"testapp", "Test App", UTILITIES, Color::dark_grey(), nullptr, new ViewFactory<TestView>()},
    // Dangerous apps.
@@ -320,6 +318,14 @@ SystemStatusView::SystemStatusView(
    refresh();
 }

+void SystemStatusView::on_tx_disabled() {
+    if (!nav_.is_valid())
+        return;
+
+    nav_.pop();
+    nav_.display_modal("Error", "RF transmit disabled.\nApplication closed.");
+}
+
 // when battery icon / text is clicked
 void SystemStatusView::on_battery_details() {
    if (!nav_.is_valid()) return;
@@ -837,12 +843,12 @@ void TransmittersMenuView::on_populate() {
    add_external_items(nav_, app_location_t::TX, *this, return_icon ? 1 : 0);
 }

-/* TranceiversMenuView **************************************************/
+/* TransceiversMenuView **************************************************/

-TranceiversMenuView::TranceiversMenuView(NavigationView& nav)
+TransceiversMenuView::TransceiversMenuView(NavigationView& nav)
    : nav_(nav) {}

-void TranceiversMenuView::on_populate() {
+void TransceiversMenuView::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(); }}});
@@ -303,6 +303,7 @@ class SystemStatusView : public View {
    void on_title();
    void refresh();
    void on_clk();
+    void on_tx_disabled();
    void rtc_battery_workaround();
    void on_battery_data(const BatteryStateMessage* msg);
    void on_battery_details();
@@ -314,6 +315,13 @@ class SystemStatusView : public View {
            this->refresh();
        }};

+    MessageHandlerRegistration message_handler_tx_disabled{
+        Message::ID::TXDisabled,
+        [this](const Message* const p) {
+            (void)p;
+            this->on_tx_disabled();
+        }};
+
    MessageHandlerRegistration message_handler_battery{
        Message::ID::BatteryStateData,
        [this](const Message* const p) {
@@ -381,10 +389,10 @@ class TransmittersMenuView : public BtnGridView {
    void on_populate() override;
 };

-class TranceiversMenuView : public BtnGridView {
+class TransceiversMenuView : public BtnGridView {
   public:
-    TranceiversMenuView(NavigationView& nav);
-    std::string title() const override { return "Tranceiver"; };
+    TransceiversMenuView(NavigationView& nav);
+    std::string title() const override { return "Transceiver"; };

   private:
    NavigationView& nav_;
@@ -71,9 +71,9 @@ void nvic_enable_irq(uint8_t irqn) {
 void usb_configuration_changed(usb_device_t* const device) {
    (void)device;

-    usb_endpoint_init(&usb_endpoint_int_in);
-    usb_endpoint_init(&usb_endpoint_bulk_in);
-    usb_endpoint_init(&usb_endpoint_bulk_out);
+    usb_endpoint_init(&usb_endpoint_int_in, false);
+    usb_endpoint_init(&usb_endpoint_bulk_in, false);
+    usb_endpoint_init(&usb_endpoint_bulk_out, false);
 }

 void setup_usb_serial_controller(void) {
@@ -88,8 +88,8 @@ void setup_usb_serial_controller(void) {
    usb_queue_init(&usb_endpoint_bulk_out_queue);
    usb_queue_init(&usb_endpoint_bulk_in_queue);

-    usb_endpoint_init(&usb_endpoint_control_out);
-    usb_endpoint_init(&usb_endpoint_control_in);
+    usb_endpoint_init(&usb_endpoint_control_out, false);
+    usb_endpoint_init(&usb_endpoint_control_in, false);

    usb_run(&usb_device);
 }
@@ -447,14 +447,6 @@ set(MODE_CPPSRC
 )
 DeclareTargets(PREP replay)

-### Signal generator
-
-set(MODE_CPPSRC
-	proc_siggen.cpp
-)
-DeclareTargets(PSIG siggen)
-
-

 ### Tones

@@ -505,53 +497,6 @@ set(MODE_CPPSRC
 )
 DeclareTargets(PFUT flash_utility)

-### SD over USB
-
-set(MODE_INCDIR
-	${HACKRF_PATH}/firmware
-	${HACKRF_PATH}/firmware/common
-	${HACKRF_PATH}/firmware/libopencm3/include
-)
-set(MODE_CPPSRC
-	sd_over_usb/proc_sd_over_usb.cpp
-
-	sd_over_usb/scsi.c
-	sd_over_usb/diskio.c
-	sd_over_usb/sd_over_usb.c
-	sd_over_usb/usb_descriptor.c
-	sd_over_usb/hackrf_core.c
-
-	${HACKRF_PATH}/firmware/common/usb.c
-	${HACKRF_PATH}/firmware/common/usb_queue.c
-	${HACKRF_PATH}/firmware/hackrf_usb/usb_device.c
-	${HACKRF_PATH}/firmware/hackrf_usb/usb_endpoint.c
-	${HACKRF_PATH}/firmware/common/usb_request.c
-	${HACKRF_PATH}/firmware/common/usb_standard_request.c
-	${HACKRF_PATH}/firmware/common/platform_detect.c
-	${HACKRF_PATH}/firmware/common/gpio_lpc.c
-	${HACKRF_PATH}/firmware/common/firmware_info.c
-	${HACKRF_PATH}/firmware/common/si5351c.c
-	${HACKRF_PATH}/firmware/common/i2c_bus.c
-	${HACKRF_PATH}/firmware/common/mixer.c
-	${HACKRF_PATH}/firmware/common/clkin.c
-	${HACKRF_PATH}/firmware/common/spi_bus.c
-	${HACKRF_PATH}/firmware/common/sgpio.c
-	${HACKRF_PATH}/firmware/common/rf_path.c
-	${HACKRF_PATH}/firmware/common/i2c_lpc.c
-	${HACKRF_PATH}/firmware/common/spi_ssp.c
-	${HACKRF_PATH}/firmware/common/rffc5071_spi.c
-	${HACKRF_PATH}/firmware/common/rffc5071.c
-	${HACKRF_PATH}/firmware/common/clkin.c
-	${HACKRF_PATH}/firmware/common/gpdma.c
-
-	${HACKRF_PATH}/firmware/libopencm3/lib/cm3/nvic.c
-	${HACKRF_PATH}/firmware/libopencm3/lib/cm3/sync.c
-	${HACKRF_PATH}/firmware/libopencm3/lib/lpc43xx/scu.c
-	${HACKRF_PATH}/firmware/libopencm3/lib/lpc43xx/timer.c
-	${HACKRF_PATH}/firmware/libopencm3/lib/lpc43xx/i2c.c
-)
-DeclareTargets(PUSB sd_over_usb)
-
 ### Place external app and disabled images below so they don't get added to the firmware
 set(add_to_firmware FALSE)
 set(MODE_FLAGS "-O3")
@@ -681,6 +626,13 @@ set(MODE_CPPSRC
 DeclareTargets(POSK ookstream)


+### Signal generator
+
+set(MODE_CPPSRC
+	proc_siggen.cpp
+)
+DeclareTargets(PSIG siggen)
+

 ### WeFax Rx

@@ -711,6 +663,61 @@ set(MODE_CPPSRC
 )
 DeclareTargets(PSCD subcar)

+set(MODE_CPPSRC
+    proc_morse.cpp
+
+)
+DeclareTargets(PMRS morse)
+
+### SD over USB
+
+set(MODE_INCDIR
+	${HACKRF_PATH}/firmware
+	${HACKRF_PATH}/firmware/common
+	${HACKRF_PATH}/firmware/libopencm3/include
+)
+set(MODE_CPPSRC
+	sd_over_usb/proc_sd_over_usb.cpp
+
+	sd_over_usb/scsi.c
+	sd_over_usb/diskio.c
+	sd_over_usb/sd_over_usb.c
+	sd_over_usb/usb_descriptor.c
+	sd_over_usb/hackrf_core.c
+
+	${HACKRF_PATH}/firmware/common/adc.c
+	${HACKRF_PATH}/firmware/common/selftest.c
+	${HACKRF_PATH}/firmware/common/usb.c
+	${HACKRF_PATH}/firmware/common/usb_queue.c
+	${HACKRF_PATH}/firmware/hackrf_usb/usb_device.c
+	${HACKRF_PATH}/firmware/hackrf_usb/usb_endpoint.c
+	${HACKRF_PATH}/firmware/common/usb_request.c
+	${HACKRF_PATH}/firmware/common/usb_standard_request.c
+	${HACKRF_PATH}/firmware/common/platform_detect.c
+	${HACKRF_PATH}/firmware/common/gpio_lpc.c
+	${HACKRF_PATH}/firmware/common/firmware_info.c
+	${HACKRF_PATH}/firmware/common/si5351c.c
+	${HACKRF_PATH}/firmware/common/i2c_bus.c
+	${HACKRF_PATH}/firmware/common/mixer.c
+	${HACKRF_PATH}/firmware/common/clkin.c
+	${HACKRF_PATH}/firmware/common/spi_bus.c
+	${HACKRF_PATH}/firmware/common/sgpio.c
+	${HACKRF_PATH}/firmware/common/rf_path.c
+	${HACKRF_PATH}/firmware/common/i2c_lpc.c
+	${HACKRF_PATH}/firmware/common/spi_ssp.c
+	${HACKRF_PATH}/firmware/common/rffc5071_spi.c
+	${HACKRF_PATH}/firmware/common/rffc5071.c
+	${HACKRF_PATH}/firmware/common/clkin.c
+	${HACKRF_PATH}/firmware/common/gpdma.c
+
+	${HACKRF_PATH}/firmware/libopencm3/lib/cm3/nvic.c
+	${HACKRF_PATH}/firmware/libopencm3/lib/cm3/sync.c
+	${HACKRF_PATH}/firmware/libopencm3/lib/lpc43xx/scu.c
+	${HACKRF_PATH}/firmware/libopencm3/lib/lpc43xx/timer.c
+	${HACKRF_PATH}/firmware/libopencm3/lib/lpc43xx/i2c.c
+)
+DeclareTargets(PUSB sd_over_usb)
+

 ### HackRF "factory" firmware

@@ -161,8 +161,6 @@ class FProtoSubCarFiatV0 : public FProtoSubCarBase {
                        }

                        if (bit_count > 0x46) {
-                            final_count = bit_count;
-
                            endbyte = (uint8_t)data_low;
                            /*
                                                        generic.data = ((uint64_t)hop << 32) | fix;
@@ -192,13 +190,11 @@ class FProtoSubCarFiatV0 : public FProtoSubCarBase {

    ManchesterState manchester_state = ManchesterStateMid1;
    uint8_t decoder_state = 0;
+    uint8_t bit_count = 0;
+    uint8_t endbyte = 0;
    uint16_t preamble_count = 0;
    uint32_t data_low = 0;
    uint32_t data_high = 0;
-    uint8_t bit_count = 0;
    uint32_t hop = 0;
    uint32_t fix = 0;
-    uint8_t endbyte = 0;
-    uint8_t final_count = 0;
-    uint32_t te_last = 0;
 };
@@ -59,20 +59,26 @@ class FProtoSubCarKiaV0 : public FProtoSubCarBase {
                break;
            case KIADecoderStepSaveDuration:
                if (level) {
-                    if (duration >=
-                        (te_long + te_delta * 2UL)) {
-                        // Signal ended too early!
-                        // FURI_LOG_W(TAG, "Signal ended at %u bits (expected 61). Duration: %lu", decode_count_bit, duration);
-
+                    if (duration >= (te_long + te_delta * 2UL)) {
+                        // End of transmission detected
                        parser_step = KIADecoderStepReset;
+
                        if (decode_count_bit == min_count_bit_for_found) {
-                            // instance->generic.data = decode_data;
+                            // data = decode_data;
                            data_count_bit = decode_count_bit;
+                            // just used for log yet, so skip
+                            //  if (kia_verify_crc()) {
+                            //   FURI_LOG_I(TAG, "Valid signal received with correct CRC");
+                            // } else {
+                            //  FURI_LOG_W(TAG, "Signal received but CRC mismatch!");
+                            // }
+
                            if (callback)
                                callback(this);
                        } else {
-                            // FURI_LOG_E(TAG, "Incomplete signal: only %u bits", decode_count_bit);
+                            // FURI_LOG_E(TAG, "Incomplete signal: only %u bits", instance->decoder.decode_count_bit);
                        }
+
                        decode_data = 0;
                        decode_count_bit = 0;
                        break;
@@ -80,26 +86,19 @@ class FProtoSubCarKiaV0 : public FProtoSubCarBase {
                        te_last = duration;
                        parser_step = KIADecoderStepCheckDuration;
                    }
+
                } else {
                    parser_step = KIADecoderStepReset;
                }
                break;
            case KIADecoderStepCheckDuration:
                if (!level) {
-                    if ((DURATION_DIFF(te_last, te_short) < te_delta) &&
-                        (DURATION_DIFF(duration, te_short) < te_delta)) {
+                    if ((DURATION_DIFF(te_last, te_short) < te_delta) && (DURATION_DIFF(duration, te_short) < te_delta)) {
                        subghz_protocol_blocks_add_bit(0);
-                        if (decode_count_bit % 10 == 0) {
-                            // FURI_LOG_D(TAG, "Decoded %u bits so far", decode_count_bit);
-                        }
                        parser_step = KIADecoderStepSaveDuration;
                    } else if (
-                        (DURATION_DIFF(te_last, te_long) < te_delta) &&
-                        (DURATION_DIFF(duration, te_long) < te_delta)) {
+                        (DURATION_DIFF(te_last, te_long) < te_delta) && (DURATION_DIFF(duration, te_long) < te_delta)) {
                        subghz_protocol_blocks_add_bit(1);
-                        if (decode_count_bit % 10 == 0) {
-                            // FURI_LOG_D(TAG, "Decoded %u bits so far", decode_count_bit);
-                        }
                        parser_step = KIADecoderStepSaveDuration;
                    } else {
                        // FURI_LOG_W(TAG, "Timing mismatch at bit %u. Last: %lu, Current: %lu", decode_count_bit, te_last, duration);
@@ -5,8 +5,7 @@
 typedef enum {
    KiaV1DecoderStepReset = 0,
    KiaV1DecoderStepCheckPreamble,
-    KiaV1DecoderStepFoundShortLow,
-    KiaV1DecoderStepCollectRawBits,
+    KiaV1DecoderStepDecodeData,
 } KiaV1DecoderStep;

 class FProtoSubCarKiaV1 : public FProtoSubCarBase {
@@ -16,177 +15,74 @@ class FProtoSubCarKiaV1 : public FProtoSubCarBase {
        te_short = 800;
        te_long = 1600;
        te_delta = 200;
-        min_count_bit_for_found = 56;
-    }
-    void kia_v1_add_raw_bit(bool bit) {
-        if (raw_bit_count < 192) {
-            uint16_t byte_idx = raw_bit_count / 8;
-            uint8_t bit_idx = 7 - (raw_bit_count % 8);
-            if (bit) {
-                raw_bits[byte_idx] |= (1 << bit_idx);
-            } else {
-                raw_bits[byte_idx] &= ~(1 << bit_idx);
-            }
-            raw_bit_count++;
-        }
-    }
-    inline bool kia_v1_get_raw_bit(uint16_t idx) {
-        uint16_t byte_idx = idx / 8;
-        uint8_t bit_idx = 7 - (idx % 8);
-        return (raw_bits[byte_idx] >> bit_idx) & 1;
-    }
-    bool kia_v1_manchester_decode() {
-        if (raw_bit_count < 113) {
-            // FURI_LOG_D(TAG, "Not enough raw bits: %u", raw_bit_count);
-            return false;
-        }
-        // Try different offsets to find best alignment (RTL-433 uses -1 bit offset)
-        uint16_t best_bits = 0;
-        uint64_t best_data = 0;
-        // uint16_t best_offset = 0;
-
-        for (uint16_t offset = 0; offset < 8; offset++) {
-            uint64_t data = 0;
-            uint16_t decoded_bits = 0;
-
-            for (uint16_t i = offset; i + 1 < raw_bit_count && decoded_bits < 56; i += 2) {
-                bool bit1 = kia_v1_get_raw_bit(i);
-                bool bit2 = kia_v1_get_raw_bit(i + 1);
-
-                uint8_t two_bits = (bit1 << 1) | bit2;
-
-                // V1 uses: 10=1, 01=0
-                if (two_bits == 0x02) {  // 10 = decoded 1
-                    data = (data << 1) | 1;
-                    decoded_bits++;
-                } else if (two_bits == 0x01) {  // 01 = decoded 0
-                    data = (data << 1);
-                    decoded_bits++;
-                } else {
-                    break;
-                }
-            }
-
-            if (decoded_bits > best_bits) {
-                best_bits = decoded_bits;
-                best_data = data;
-                // best_offset = offset;
-            }
-        }
-
-        // FURI_LOG_I(TAG, "Best: offset=%u bits=%u data=%014llX", best_offset, best_bits, best_data);
-
-        decode_data = best_data;
-        decode_count_bit = best_bits;
-
-        return best_bits >= min_count_bit_for_found;
+        min_count_bit_for_found = 57;
    }

    void feed(bool level, uint32_t duration) {
+        ManchesterEvent event = ManchesterEventReset;
+
        switch (parser_step) {
            case KiaV1DecoderStepReset:
-                // Preamble 0xCCCCCCCD produces alternating LONG pulses
-                if ((level) && (DURATION_DIFF(duration, te_long) <
-                                te_delta)) {
+                if ((level) && (DURATION_DIFF(duration, te_long) < te_delta)) {
                    parser_step = KiaV1DecoderStepCheckPreamble;
                    te_last = duration;
-                    header_count = 1;
+                    header_count = 0;
+                    decode_data = 0;
+                    decode_count_bit = 0;
+                    FProtoGeneral::manchester_advance(manchester_saved_state, ManchesterEventReset, &manchester_saved_state, NULL);
                }
                break;

            case KiaV1DecoderStepCheckPreamble:
-                if (level) {
-                    if (DURATION_DIFF(duration, te_long) <
-                        te_delta) {
-                        te_last = duration;
+                if (!level) {
+                    if ((DURATION_DIFF(duration, te_long) < te_delta) && (DURATION_DIFF(te_last, te_long) < te_delta)) {
                        header_count++;
-                    } else if (
-                        DURATION_DIFF(duration, te_short) <
-                        te_delta) {
                        te_last = duration;
                    } else {
                        parser_step = KiaV1DecoderStepReset;
                    }
-                } else {
-                    // LOW pulse
-                    if (DURATION_DIFF(duration, te_long) <
-                        te_delta) {
-                        header_count++;
-                    } else if (
-                        DURATION_DIFF(duration, te_short) <
-                        te_delta) {
-                        // Short LOW - this is the start of sync (0xCD ends: ...long H, short L, short H)
-                        if (header_count > 12) {
-                            parser_step = KiaV1DecoderStepFoundShortLow;
-                        }
-                    } else {
-                        parser_step = KiaV1DecoderStepReset;
+                }
+                if (header_count > 70) {
+                    if ((!level) && (DURATION_DIFF(duration, te_short) < te_delta) && (DURATION_DIFF(te_last, te_long) < te_delta)) {
+                        decode_count_bit = 1;
+                        subghz_protocol_blocks_add_bit(1);
+                        header_count = 0;
+                        parser_step = KiaV1DecoderStepDecodeData;
                    }
                }
                break;

-            case KiaV1DecoderStepFoundShortLow:
-                // Expecting SHORT HIGH to complete sync
-                if (level && (DURATION_DIFF(duration, te_short) <
-                              te_delta)) {
-                    // FURI_LOG_I(TAG, "Sync! hdr=%u", header_count);
-                    parser_step = KiaV1DecoderStepCollectRawBits;
-                    raw_bit_count = 0;
-                    memset(raw_bits, 0, sizeof(raw_bits));
-                    // Add the sync short HIGH as first raw bit
-                    kia_v1_add_raw_bit(true);
-                } else {
-                    parser_step = KiaV1DecoderStepReset;
+            case KiaV1DecoderStepDecodeData:
+                if ((DURATION_DIFF(duration, te_short) < te_delta)) {
+                    event = level ? ManchesterEventShortLow : ManchesterEventShortHigh;
+                } else if ((DURATION_DIFF(duration, te_long) <
+                            te_delta)) {
+                    event = level ? ManchesterEventLongLow : ManchesterEventLongHigh;
                }
-                break;

-            case KiaV1DecoderStepCollectRawBits:
-                if (duration > 2400) {
-                    // FURI_LOG_I(TAG, "End! raw_bits=%u", raw_bit_count);
-
-                    if (kia_v1_manchester_decode()) {
-                        // instance->generic.data = decode_data;
-                        data_count_bit = raw_bit_count / 8;
-
-                        // Extract fields from 56-bit data per RTL-433:
-                        // Serial: bits 55-24 (32 bits)
-                        // Btn: bits 23-16 (8 bits)
-                        // Count: bits 15-8 (8 bits)
-                        // CRC: bits 7-0 (8 bits)
-                        // instance->generic.serial = (uint32_t)((instance->generic.data >> 24) & 0xFFFFFFFF);
-                        // instance->generic.btn = (uint8_t)((instance->generic.data >> 16) & 0xFF);
-                        // instance->generic.cnt = (uint8_t)((instance->generic.data >> 8) & 0xFF);
-
-                        if (callback)
-                            callback(this);
+                if (event != ManchesterEventReset) {
+                    bool data;
+                    bool data_ok = FProtoGeneral::manchester_advance(manchester_saved_state, event, &manchester_saved_state, &data);
+                    if (data_ok) {
+                        decode_data = (decode_data << 1) | data;
+                        decode_count_bit++;
                    }
+                }

+                if (decode_count_bit == min_count_bit_for_found) {
+                    // instance->generic.data = decode_data;
+                    data_count_bit = decode_count_bit;
+                    if (callback)
+                        callback(this);
+
+                    decode_data = 0;
+                    decode_count_bit = 0;
                    parser_step = KiaV1DecoderStepReset;
-                    break;
                }
-
-                int num_bits = 0;
-                if (DURATION_DIFF(duration, te_short) <
-                    te_delta) {
-                    num_bits = 1;
-                } else if (
-                    DURATION_DIFF(duration, te_long) <
-                    te_delta) {
-                    num_bits = 2;
-                } else {
-                    parser_step = KiaV1DecoderStepReset;
-                    break;
-                }
-
-                for (int i = 0; i < num_bits; i++) {
-                    kia_v1_add_raw_bit(level);
-                }
-
                break;
        }
    }

-    uint8_t raw_bits[24]{0};
-    uint16_t raw_bit_count = 0;
-    uint16_t header_count = 0;
+    uint8_t header_count = 0;
+    ManchesterState manchester_saved_state = ManchesterStateStart1;
 };
@@ -15,65 +15,7 @@ class FProtoSubCarKiaV2 : public FProtoSubCarBase {
        te_short = 500;
        te_long = 1000;
        te_delta = 160;
-        min_count_bit_for_found = 51;
-    }
-
-    void kia_v2_add_raw_bit(bool bit) {
-        if (raw_bit_count < 160) {
-            uint16_t byte_idx = raw_bit_count / 8;
-            uint8_t bit_idx = 7 - (raw_bit_count % 8);
-            if (bit) {
-                raw_bits[byte_idx] |= (1 << bit_idx);
-            } else {
-                raw_bits[byte_idx] &= ~(1 << bit_idx);
-            }
-            raw_bit_count++;
-        }
-    }
-    inline bool kia_v2_get_raw_bit(uint16_t idx) {
-        uint16_t byte_idx = idx / 8;
-        uint8_t bit_idx = 7 - (idx % 8);
-        return (raw_bits[byte_idx] >> bit_idx) & 1;
-    }
-    bool kia_v2_manchester_decode() {
-        if (raw_bit_count < 100) {
-            return false;
-        }
-
-        uint16_t best_bits = 0;
-        uint64_t best_data = 0;
-
-        for (uint16_t offset = 0; offset < 8; offset++) {
-            uint64_t data = 0;
-            uint16_t decoded_bits = 0;
-
-            for (uint16_t i = offset; i + 1 < raw_bit_count && decoded_bits < 53; i += 2) {
-                bool bit1 = kia_v2_get_raw_bit(i);
-                bool bit2 = kia_v2_get_raw_bit(i + 1);
-
-                uint8_t two_bits = (bit1 << 1) | bit2;
-
-                if (two_bits == 0x02) {
-                    data = (data << 1) | 1;
-                    decoded_bits++;
-                } else if (two_bits == 0x01) {
-                    data = (data << 1);
-                    decoded_bits++;
-                } else {
-                    break;
-                }
-            }
-
-            if (decoded_bits > best_bits) {
-                best_bits = decoded_bits;
-                best_data = data;
-            }
-        }
-
-        decode_data = best_data;
-        decode_count_bit = best_bits;
-
-        return best_bits >= min_count_bit_for_found;
+        min_count_bit_for_found = 53;
    }

    void feed(bool level, uint32_t duration) {
@@ -82,86 +24,85 @@ class FProtoSubCarKiaV2 : public FProtoSubCarBase {
                if ((level) && (DURATION_DIFF(duration, te_long) < te_delta)) {
                    parser_step = KiaV2DecoderStepCheckPreamble;
                    te_last = duration;
-                    header_count = 1;
+                    header_count = 0;
+                    FProtoGeneral::manchester_advance(manchester_state, ManchesterEventReset, &manchester_state, NULL);
                }
                break;
-
            case KiaV2DecoderStepCheckPreamble:
-                if (level) {
-                    if (DURATION_DIFF(duration, te_long) <
-                        te_delta) {
+                if (level)  // HIGH pulse
+                {
+                    if (DURATION_DIFF(duration, te_long) < te_delta) {
                        te_last = duration;
                        header_count++;
                    } else if (
-                        DURATION_DIFF(duration, te_short) <
-                        te_delta) {
-                        te_last = duration;
-                    } else {
-                        parser_step = KiaV2DecoderStepReset;
-                    }
-                } else {
-                    if (DURATION_DIFF(duration, te_long) <
-                        te_delta) {
-                        header_count++;
-                    } else if (
-                        DURATION_DIFF(duration, te_short) <
-                        te_delta) {
-                        if (header_count > 10 &&
-                            DURATION_DIFF(te_last, te_short) <
-                                te_delta) {
+                        DURATION_DIFF(duration, te_short) < te_delta) {
+                        if (header_count >= 100) {
+                            header_count = 0;
+                            decode_data = 0;
+                            decode_count_bit = 1;
                            parser_step = KiaV2DecoderStepCollectRawBits;
-                            raw_bit_count = 0;
-                            memset(raw_bits, 0, sizeof(raw_bits));
+                            subghz_protocol_blocks_add_bit(1);
+                        } else {
+                            te_last = duration;
                        }
                    } else {
                        parser_step = KiaV2DecoderStepReset;
                    }
+                } else {
+                    if (DURATION_DIFF(duration, te_long) < te_delta) {
+                        header_count++;
+                        te_last = duration;
+                    } else if (
+                        DURATION_DIFF(duration, te_short) < te_delta) {
+                        te_last = duration;
+                    } else {
+                        parser_step = KiaV2DecoderStepReset;
+                    }
                }
                break;

-            case KiaV2DecoderStepCollectRawBits:
-                if (duration > 1500) {
-                    if (kia_v2_manchester_decode()) {
-                        /*data = decode_data;
-                        data_count_bit = decode_count_bit;
+            case KiaV2DecoderStepCollectRawBits: {
+                ManchesterEvent event;

-                        serial = (uint32_t)((data >> 20) & 0xFFFFFFFF);
-                        btn = (uint8_t)((data >> 16) & 0x0F);
-
-                        uint16_t raw_count = (uint16_t)((data >> 4) & 0xFFF);
-                        cnt = ((raw_count >> 4) | (raw_count << 8)) & 0xFFF;
-                        */
-                        data_count_bit = decode_count_bit;
-                        if (callback)
-                            callback(this);
-                    }
-
-                    parser_step = KiaV2DecoderStepReset;
-                    break;
-                }
-
-                int num_bits = 0;
-                if (DURATION_DIFF(duration, te_short) <
-                    te_delta) {
-                    num_bits = 1;
+                if (DURATION_DIFF(duration, te_short) < te_delta) {
+                    event = level ? ManchesterEventShortLow : ManchesterEventShortHigh;
                } else if (
-                    DURATION_DIFF(duration, te_long) <
-                    te_delta) {
-                    num_bits = 2;
+                    DURATION_DIFF(duration, te_long) < te_delta) {
+                    event = level ? ManchesterEventLongLow : ManchesterEventLongHigh;
                } else {
                    parser_step = KiaV2DecoderStepReset;
                    break;
                }

-                for (int i = 0; i < num_bits; i++) {
-                    kia_v2_add_raw_bit(level);
-                }
+                bool data_bit;
+                if (FProtoGeneral::manchester_advance(manchester_state, event, &manchester_state, &data_bit)) {
+                    decode_data = (decode_data << 1) | data_bit;
+                    decode_count_bit++;

+                    if (decode_count_bit == 53) {
+                        // instance->generic.data = decode_data;
+                        data_count_bit = decode_count_bit;
+
+                        // instance->generic.serial = (uint32_t)((instance->generic.data >> 20) & 0xFFFFFFFF);
+                        // instance->generic.btn = (uint8_t)((instance->generic.data >> 16) & 0x0F);
+
+                        // uint16_t raw_count = (uint16_t)((instance->generic.data >> 4) & 0xFFF);
+                        // instance->generic.cnt = ((raw_count >> 4) | (raw_count << 8)) & 0xFFF;
+
+                        if (callback)
+                            callback(this);
+
+                        decode_data = 0;
+                        decode_count_bit = 0;
+                        header_count = 0;
+                        parser_step = KiaV2DecoderStepReset;
+                    }
+                }
                break;
+            }
        }
    }

-    uint8_t raw_bits[20]{0};
-    uint16_t raw_bit_count = 0;
    uint16_t header_count = 0;
+    ManchesterState manchester_state = ManchesterStateMid1;
 };
@@ -15,7 +15,7 @@ class FProtoSubCarKiaV3V4 : public FProtoSubCarBase {
        te_short = 400;
        te_long = 800;
        te_delta = 150;
-        min_count_bit_for_found = 64;
+        min_count_bit_for_found = 68;
    }
    uint8_t reverse8(uint8_t byte) {
        byte = (byte & 0xF0) >> 4 | (byte & 0x0F) << 4;
@@ -36,7 +36,7 @@ class FProtoSubCarKiaV3V4 : public FProtoSubCarBase {
        }
    }
    bool kia_v3_v4_process_buffer() {
-        if (raw_bit_count < 64) {
+        if (raw_bit_count < 68) {
            return false;
        }

@@ -56,7 +56,7 @@ class FProtoSubCarKiaV3V4 : public FProtoSubCarBase {

        uint8_t btn = (reverse8(b[7]) & 0xF0) >> 4;
        decode_data = serial;
-        decode_count_bit = 64;
+        decode_count_bit = 68;
        decode_data2 = btn;
        data_count_bit = decode_count_bit;
        if (callback)
@@ -93,8 +93,7 @@ class FProtoSubCarKiaV3V4 : public FProtoSubCarBase {
    void feed(bool level, uint32_t duration) {
        switch (parser_step) {
            case KiaV3V4DecoderStepReset:
-                if (level && DURATION_DIFF(duration, te_short) <
-                                 te_delta) {
+                if (level && DURATION_DIFF(duration, te_short) < te_delta) {
                    parser_step = KiaV3V4DecoderStepCheckPreamble;
                    te_last = duration;
                    header_count = 1;
@@ -103,8 +102,7 @@ class FProtoSubCarKiaV3V4 : public FProtoSubCarBase {

            case KiaV3V4DecoderStepCheckPreamble:
                if (level) {
-                    if (DURATION_DIFF(duration, te_short) <
-                        te_delta) {
+                    if (DURATION_DIFF(duration, te_short) < te_delta) {
                        te_last = duration;
                    } else if (duration > 1000 && duration < 1500) {
                        // V4 style: Sync is LONG HIGH
@@ -130,11 +128,7 @@ class FProtoSubCarKiaV3V4 : public FProtoSubCarBase {
                        } else {
                            parser_step = KiaV3V4DecoderStepReset;
                        }
-                    } else if (
-                        DURATION_DIFF(duration, te_short) <
-                            te_delta &&
-                        DURATION_DIFF(te_last, te_short) <
-                            te_delta) {
+                    } else if (DURATION_DIFF(duration, te_short) < te_delta && DURATION_DIFF(te_last, te_short) < te_delta) {
                        header_count++;
                    } else if (duration > 1500) {
                        parser_step = KiaV3V4DecoderStepReset;
@@ -149,12 +143,10 @@ class FProtoSubCarKiaV3V4 : public FProtoSubCarBase {
                        kia_v3_v4_process_buffer();
                        parser_step = KiaV3V4DecoderStepReset;
                    } else if (
-                        DURATION_DIFF(duration, te_short) <
-                        te_delta) {
+                        DURATION_DIFF(duration, te_short) < te_delta) {
                        kia_v3_v4_add_raw_bit(false);
                    } else if (
-                        DURATION_DIFF(duration, te_long) <
-                        te_delta) {
+                        DURATION_DIFF(duration, te_long) < te_delta) {
                        kia_v3_v4_add_raw_bit(true);
                    } else {
                        parser_step = KiaV3V4DecoderStepReset;
@@ -1,10 +1,11 @@
 #pragma once
 #include "subcarbase.hpp"
 #include <cstring>
+
 typedef enum {
    KiaV5DecoderStepReset = 0,
    KiaV5DecoderStepCheckPreamble,
-    KiaV5DecoderStepCollectRawBits,
+    KiaV5DecoderStepData,
 } KiaV5DecoderStep;

 class FProtoSubCarKiaV5 : public FProtoSubCarBase {
@@ -17,74 +18,37 @@ class FProtoSubCarKiaV5 : public FProtoSubCarBase {
        min_count_bit_for_found = 64;
    }

-    inline bool kia_v5_get_raw_bit(uint16_t idx) {
-        uint16_t byte_idx = idx / 8;
-        uint8_t bit_idx = 7 - (idx % 8);
-        return (raw_bits[byte_idx] >> bit_idx) & 1;
-    }
-
-    void kia_v5_add_raw_bit(bool bit) {
-        if (raw_bit_count < 256) {
-            uint16_t byte_idx = raw_bit_count / 8;
-            uint8_t bit_idx = 7 - (raw_bit_count % 8);
-            if (bit) {
-                raw_bits[byte_idx] |= (1 << bit_idx);
-            } else {
-                raw_bits[byte_idx] &= ~(1 << bit_idx);
-            }
-            raw_bit_count++;
-        }
-    }
-
-    bool kia_v5_manchester_decode() {
-        if (raw_bit_count < 130) {
-            return false;
-        }
-
-        decode_data = 0;
-        decode_count_bit = 0;
-
-        // Start at offset 2 for proper Manchester alignment
-        const uint16_t start_bit = 2;
-
-        for (uint16_t i = start_bit;
-             i + 1 < raw_bit_count && decode_count_bit < 64;
-             i += 2) {
-            bool bit1 = kia_v5_get_raw_bit(i);
-            bool bit2 = kia_v5_get_raw_bit(i + 1);
-
-            uint8_t two_bits = (bit1 << 1) | bit2;
-
-            if (two_bits == 0x01) {  // 01 = decoded 1
-                decode_data = (decode_data << 1) | 1;
-                decode_count_bit++;
-            } else if (two_bits == 0x02) {  // 10 = decoded 0
-                decode_data = (decode_data << 1);
-                decode_count_bit++;
-            } else {
-                break;
-            }
-        }
-        return decode_count_bit >= min_count_bit_for_found;
+    void kia_v5_add_bit(bool bit) {
+        decode_data = (decode_data << 1) | (bit ? 1 : 0);
+        decode_count_bit++;
    }

    void feed(bool level, uint32_t duration) {
        switch (parser_step) {
            case KiaV5DecoderStepReset:
-                if ((level) && (DURATION_DIFF(duration, te_short) <
-                                te_delta)) {
+                if ((level) && (DURATION_DIFF(duration, te_short) < te_delta)) {
                    parser_step = KiaV5DecoderStepCheckPreamble;
                    te_last = duration;
                    header_count = 1;
+                    decode_count_bit = 0;
+                    decode_data = 0;
+                    FProtoGeneral::manchester_advance(manchester_state, ManchesterEventReset, &manchester_state, NULL);
                }
                break;

            case KiaV5DecoderStepCheckPreamble:
                if (level) {
-                    if ((DURATION_DIFF(duration, te_short) <
-                         te_delta) ||
-                        (DURATION_DIFF(duration, te_long) <
-                         te_delta)) {
+                    if (DURATION_DIFF(duration, te_long) < te_delta) {
+                        if (header_count > 40) {
+                            parser_step = KiaV5DecoderStepData;
+                            decode_count_bit = 0;
+                            decode_data = 0;
+                            decode_data2 = 0;
+                            header_count = 0;
+                        } else {
+                            te_last = duration;
+                        }
+                    } else if (DURATION_DIFF(duration, te_short) < te_delta) {
                        te_last = duration;
                    } else {
                        parser_step = KiaV5DecoderStepReset;
@@ -100,13 +64,7 @@ class FProtoSubCarKiaV5 : public FProtoSubCarBase {
                         te_delta) &&
                        (DURATION_DIFF(te_last, te_short) <
                         te_delta)) {
-                        if (header_count > 40) {
-                            parser_step = KiaV5DecoderStepCollectRawBits;
-                            raw_bit_count = 0;
-                            memset(raw_bits, 0, sizeof(raw_bits));
-                        } else {
-                            header_count++;
-                        }
+                        header_count++;
                    } else if (
                        DURATION_DIFF(te_last, te_long) <
                        te_delta) {
@@ -114,33 +72,21 @@ class FProtoSubCarKiaV5 : public FProtoSubCarBase {
                    } else {
                        parser_step = KiaV5DecoderStepReset;
                    }
+                    te_last = duration;
                }
                break;

-            case KiaV5DecoderStepCollectRawBits:
-                if (duration > 1200) {
-                    if (kia_v5_manchester_decode()) {
-                        // generic.data = decode_data;
-                        // generic.data_count_bit = decode_count_bit;
-                        data_count_bit = decode_count_bit;
-                        // Compute yek (bit-reverse each byte)
-                        uint64_t yek = 0;
-                        for (int i = 0; i < 8; i++) {
-                            uint8_t byte = (decode_data >> (i * 8)) & 0xFF;
-                            uint8_t reversed = 0;
-                            for (int b = 0; b < 8; b++) {
-                                if (byte & (1 << b))
-                                    reversed |= (1 << (7 - b));
-                            }
-                            yek |= ((uint64_t)reversed << ((7 - i) * 8));
-                        }
-                        decode_data = yek;
-
-                        // Shift serial right by 1 to correct alignment
-                        // generic.serial = (uint32_t)(((yek >> 32) & 0x0FFFFFFF) >> 1);
-                        // generic.btn = (uint8_t)((yek >> 61) & 0x07);  // Shift btn too
-                        // generic.cnt = (uint16_t)(yek & 0xFFFF);
+            case KiaV5DecoderStepData: {
+                ManchesterEvent event;

+                if (DURATION_DIFF(duration, te_short) < te_delta) {
+                    event = level ? ManchesterEventShortHigh : ManchesterEventShortLow;
+                } else if (DURATION_DIFF(duration, te_long) < te_delta) {
+                    event = level ? ManchesterEventLongHigh : ManchesterEventLongLow;
+                } else {
+                    if (decode_count_bit >= min_count_bit_for_found) {
+                        // instance->generic.data = instance->decode_data2;
+                        data_count_bit = (decode_count_bit > 67) ? 67 : decode_count_bit;
                        if (callback)
                            callback(this);
                    }
@@ -149,28 +95,22 @@ class FProtoSubCarKiaV5 : public FProtoSubCarBase {
                    break;
                }

-                int num_bits = 0;
-                if (DURATION_DIFF(duration, te_short) <
-                    te_delta) {
-                    num_bits = 1;
-                } else if (
-                    DURATION_DIFF(duration, te_long) <
-                    te_delta) {
-                    num_bits = 2;
-                } else {
-                    parser_step = KiaV5DecoderStepReset;
-                    break;
-                }
-
-                for (int i = 0; i < num_bits; i++) {
-                    kia_v5_add_raw_bit(level);
+                bool data_bit;
+                if (decode_count_bit <= 66 && FProtoGeneral::manchester_advance(manchester_state, event, &manchester_state, &data_bit)) {
+                    kia_v5_add_bit(data_bit);
+
+                    if (decode_count_bit == 64) {
+                        decode_data2 = decode_data;
+                        decode_data = 0;
+                    }
                }

+                te_last = duration;
                break;
+            }
        }
    }

-    uint8_t raw_bits[32]{};
-    uint16_t raw_bit_count = 0;
    uint16_t header_count = 0;
+    ManchesterState manchester_state = ManchesterStateMid1;
 };
@@ -20,6 +20,7 @@ class FProtoSubCarSubaru : public FProtoSubCarBase {
        te_delta = 260;
        min_count_bit_for_found = 64;
    }
+
    void subghz_protocol_decoder_subaru_reset() {
        parser_step = SubaruDecoderStepReset;
        te_last = 0;
@@ -6,8 +6,8 @@

 typedef enum {
    SuzukiDecoderStepReset = 0,
-    SuzukiDecoderStepFoundStartPulse,
-    SuzukiDecoderStepSaveDuration,
+    SuzukiDecoderStepCountPreamble = 1,
+    SuzukiDecoderStepDecodeData = 2,
 } SuzukiDecoderStep;

 class FProtoSubCarSuzuki : public FProtoSubCarBase {
@@ -20,54 +20,45 @@ class FProtoSubCarSuzuki : public FProtoSubCarBase {
        min_count_bit_for_found = 64;
    }
    void suzuki_add_bit(uint32_t bit) {
-        uint32_t carry = data_low >> 31;
-        data_low = (data_low << 1) | bit;
-        data_high = (data_high << 1) | carry;
-        data_count_bit++;
+        decode_data = (decode_data << 1) | bit;
+        decode_count_bit++;
    }
    void subghz_protocol_decoder_suzuki_reset() {
        parser_step = SuzukiDecoderStepReset;
        header_count = 0;
        data_count_bit = 0;
-        data_low = 0;
-        data_high = 0;
+        decode_data = 0;
    }

    void feed(bool level, uint32_t duration) {
        switch (parser_step) {
            case SuzukiDecoderStepReset:
-                // Wait for short HIGH pulse (~250µs) to start preamble
-                if (!level)
+                // Wait for HIGH pulse (~250µs) to start preamble
+                if (!level) {
                    return;
-
+                }
                if (DURATION_DIFF(duration, te_short) > te_delta) {
                    return;
                }

-                data_low = 0;
-                data_high = 0;
-                parser_step = SuzukiDecoderStepFoundStartPulse;
+                decode_data = 0;
+                decode_count_bit = 0;
+                parser_step = SuzukiDecoderStepCountPreamble;
                header_count = 0;
-                data_count_bit = 0;
                break;

-            case SuzukiDecoderStepFoundStartPulse:
+            case SuzukiDecoderStepCountPreamble:
                if (level) {
                    // HIGH pulse
-                    if (header_count < 257) {
-                        // Still in preamble - just count
-                        return;
-                    }

-                    // After preamble, look for long HIGH to start data
-                    if (DURATION_DIFF(duration, te_long) < te_delta) {
-                        parser_step = SuzukiDecoderStepSaveDuration;
-                        suzuki_add_bit(1);
+                    if (header_count >= 300) {
+                        if (DURATION_DIFF(duration, te_long) <= te_delta) {
+                            parser_step = SuzukiDecoderStepDecodeData;
+                            suzuki_add_bit(1);
+                        }
                    }
-                    // Ignore short HIGHs after preamble until we see a long one
                } else {
-                    // LOW pulse - count as header if short
-                    if (DURATION_DIFF(duration, te_short) < te_delta) {
+                    if (DURATION_DIFF(duration, te_short) <= te_delta) {
                        te_last = duration;
                        header_count++;
                    } else {
@@ -76,45 +67,69 @@ class FProtoSubCarSuzuki : public FProtoSubCarBase {
                }
                break;

-            case SuzukiDecoderStepSaveDuration:
+            case SuzukiDecoderStepDecodeData:
+
                if (level) {
                    // HIGH pulse - determines bit value
-                    // Long HIGH (~500µs) = 1, Short HIGH (~250µs) = 0
-                    if (DURATION_DIFF(duration, te_long) < te_delta) {
-                        suzuki_add_bit(1);
-                    } else if (DURATION_DIFF(duration, te_short) < te_delta) {
-                        suzuki_add_bit(0);
+                    if (duration < te_long) {
+                        uint32_t diff_long = 500 - duration;
+                        if (diff_long > 99) {
+                            uint32_t diff_short;
+                            if (duration < 250) {
+                                diff_short = 250 - duration;
+                            } else {
+                                diff_short = duration - 250;
+                            }
+
+                            if (diff_short <= 99) {
+                                suzuki_add_bit(0);
+                            }
+                        } else {
+                            suzuki_add_bit(1);
+                        }
                    } else {
-                        parser_step = SuzukiDecoderStepReset;
+                        uint32_t diff_long = duration - 500;
+                        if (diff_long <= 99) {
+                            suzuki_add_bit(1);
+                        }
                    }
-                    // Stay in this state for next bit
                } else {
                    // LOW pulse - check for gap (end of transmission)
-                    if (DURATION_DIFF(duration, SUZUKI_GAP_TIME) < SUZUKI_GAP_DELTA) {
-                        // Gap found - end of transmission
-                        if (data_count_bit == 64) {
+                    uint32_t diff_gap;
+                    if (duration < SUZUKI_GAP_TIME) {
+                        diff_gap = SUZUKI_GAP_TIME - duration;
+                    } else {
+                        diff_gap = duration - SUZUKI_GAP_TIME;
+                    }
+
+                    if (diff_gap <= SUZUKI_GAP_DELTA) {
+                        if (decode_count_bit == 64) {
+                            // instance->generic.data = decode_data;
                            data_count_bit = 64;
-                            decode_data = ((uint64_t)data_high << 32) | (uint64_t)data_low;
-                            // Check manufacturer nibble (should be 0xF)
-                            uint8_t manufacturer = (data_high >> 28) & 0xF;
-                            if (manufacturer == 0xF) {
-                                // Extract fields
-                                decode_data2 = 0;  // Not used
-                                if (callback) {
-                                    callback(this);
-                                }
+
+                            /*uint64_t data = instance->generic.data;
+                            uint32_t data_high = (uint32_t)(data >> 32);
+                            uint32_t data_low = (uint32_t)data;
+
+                            instance->generic.serial = ((data_high & 0xFFF) << 16) | (data_low >> 16);
+
+                            instance->generic.btn = (data_low >> 12) & 0xF;
+                            instance->generic.cnt = (data_high << 4) >> 16;
+*/
+                            if (callback) {
+                                callback(this);
                            }
                        }
+
+                        decode_data = 0;
+                        decode_count_bit = 0;
                        parser_step = SuzukiDecoderStepReset;
                    }
-                    // Short LOW pulses are ignored - stay in this state
                }
                break;
        }
    }

    uint16_t header_count = 0;
-    uint32_t data_high = 0;
-    uint32_t data_low = 0;
    uint8_t data_count_bit = 0;
 };
@@ -0,0 +1,213 @@
+/*
+ * Copyright (C) 2026 Pezsma
+ *
+ * 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 "proc_morse.hpp"
+#include "audio_dma.hpp"
+#include "portapack_shared_memory.hpp"
+#include "event_m4.hpp"
+#include <cmath>
+
+void MorseProcessor::configure() {
+    configured = false;
+    baseband_fs = 3072000;
+    baseband_thread.set_sampling_rate(baseband_fs);
+
+    // 1. DSP filters
+    decim_0.configure(taps_11k0_decim_0.taps);
+    decim_1.configure(taps_11k0_decim_1.taps);
+    channel_filter.configure(taps_11k0_channel.taps, 2);
+    demod.configure(24000, 5000);
+    audio_output.configure(iir_config_passthrough, iir_config_passthrough, 0.0f);
+
+    // 2. Resetting variables
+    dc_offset = 0;
+    lpf_sample = 0;
+    prev_sample = 0;
+
+    // 3. Algorithm reset
+    zc_counter = 0;
+    last_zc_counter = 0;
+    current_freq = 700.0f;
+    update_goertzel_coeff(700.0f);
+
+    goertzel_count = 0;
+    s_prev_i = 0;
+    s_prev2_i = 0;
+    duration_samples = 0;
+    was_signaling = false;
+
+    noise_floor = 5000;  // learning speed
+
+    startup_delay = 20;
+
+    squelch_is_open = false;
+    configured = true;
+}
+
+void MorseProcessor::on_message(const Message* const p) {
+    if (p->id == Message::ID::MorseRXConfig) {
+        configure();
+    } else if (p->id == Message::ID::NBFMConfigure) {
+        auto nbfm_msg = *reinterpret_cast<const NBFMConfigureMessage*>(p);
+        user_squelch_level = nbfm_msg.squelch_level;
+        audio_output.configure(iir_config_passthrough, iir_config_passthrough, (float)user_squelch_level / 100.0f);
+    }
+}
+
+void MorseProcessor::update_goertzel_coeff(float freq) {
+    if (freq < 400.0f) freq = 400.0f;
+    if (freq > 1500.0f) freq = 1500.0f;  // limit to algo capacity min/max
+    float omega = 2.0f * M_PI * freq / 24000.0f;
+    coeff_int = (int32_t)(2.0f * cosf(omega) * 16384.0f);
+}
+
+void MorseProcessor::execute(const buffer_c8_t& buffer) {
+    if (!configured) return;
+
+    buffer_c16_t dst_buffer_c16(dst_buffer.data(), dst_buffer.size());
+    const auto decim_0_out = decim_0.execute(buffer, dst_buffer_c16);
+    const auto decim_1_out = decim_1.execute(decim_0_out, dst_buffer_c16);
+    const auto channel = channel_filter.execute(decim_1_out, dst_buffer_c16);
+
+    feed_channel_stats(channel);
+
+    buffer_s16_t audio_buffer_s16(audio_buffer.data(), audio_buffer.size());
+    auto audio_buf = demod.execute(channel, audio_buffer_s16);
+
+    for (size_t i = 0; i < audio_buf.count; i++) {
+        int32_t raw_sample = audio_buf.p[i];
+
+        // 1. DC & LPF
+        dc_offset += (raw_sample - dc_offset) / 32;
+        int32_t sample = raw_sample - dc_offset;
+        lpf_sample = (lpf_sample * 3 + sample) / 4;
+
+        // 2. Squelch
+        int32_t abs_sample = (sample < 0) ? -sample : sample;
+        int32_t audio_threshold = (user_squelch_level * user_squelch_level) * 3;
+        int32_t current_audio_threshold = squelch_is_open ? (audio_threshold / 2) : audio_threshold;
+
+        if (abs_sample > current_audio_threshold || user_squelch_level == 0) {
+            squelch_is_open = true;
+            squelch_hold = 2400;
+        } else {
+            if (squelch_hold > 0)
+                squelch_hold--;
+            else
+                squelch_is_open = false;
+        }
+
+        // 3. Frequency measurement (ZC)
+        if (squelch_is_open && !was_signaling) {
+            if ((lpf_sample >= 0 && prev_sample < 0) || (lpf_sample < 0 && prev_sample >= 0)) {
+                if (zc_counter >= 8 && zc_counter <= 32) {
+                    int32_t diff = zc_counter - last_zc_counter;
+                    if (diff >= -1 && diff <= 1) {
+                        float n_freq = 24000.0f / (zc_counter * 2.0f);
+
+                        // Hybrid tracking
+
+                        if (zc_counter < 15) {
+                            // This stabilizes the 1000-1400 Hz range
+                            current_freq = (current_freq * 0.6f) + (n_freq * 0.4f);
+                        } else {
+                            current_freq = n_freq;
+                        }
+
+                        update_goertzel_coeff(current_freq);
+                    }
+                    last_zc_counter = zc_counter;
+                } else {
+                    last_zc_counter = 0;
+                }
+                zc_counter = 0;
+            } else {
+                if (zc_counter < 100) zc_counter++;
+            }
+        }
+        prev_sample = (int16_t)lpf_sample;
+
+        // 4. Goertzel
+        int64_t s = (int64_t)sample + (((int64_t)coeff_int * s_prev_i) >> 14) - s_prev2_i;
+        s_prev2_i = s_prev_i;
+        s_prev_i = (int32_t)s;
+        goertzel_count++;
+
+        // 5. Detection
+        if (goertzel_count >= 60) {
+            if (startup_delay > 0) {
+                startup_delay--;
+                int64_t pwr = (int64_t)s_prev_i * s_prev_i + (int64_t)s_prev2_i * s_prev2_i -
+                              (((int64_t)s_prev_i * s_prev2_i * coeff_int) >> 14);
+                noise_floor = (noise_floor * 15 + pwr) / 16;
+            } else {
+                int64_t power = (int64_t)s_prev_i * s_prev_i + (int64_t)s_prev2_i * s_prev2_i -
+                                (((int64_t)s_prev_i * s_prev2_i * coeff_int) >> 14);
+
+                if (!was_signaling) {
+                    noise_floor = (noise_floor * 127 + power) / 128;
+                }
+
+                int64_t sensitivity = 4 + (user_squelch_level / 10);
+                int64_t base_pwr_threshold = noise_floor * sensitivity;
+                int64_t current_pwr_threshold = was_signaling ? (base_pwr_threshold / 2) : base_pwr_threshold;
+
+                bool is_tone = squelch_is_open && (power > current_pwr_threshold) && (power > 150000);
+
+                if (is_tone != was_signaling) {
+                    int32_t duration_us = (int32_t)((int64_t)duration_samples * 125 / 3);
+
+                    if (duration_us > 10000) {
+                        message.state_durations[0] = was_signaling ? duration_us : -duration_us;
+                        message.measured_frequency = (uint32_t)current_freq;
+                        message.state_cnt = 1;
+                        shared_memory.application_queue.push(message);
+                    }
+                    was_signaling = is_tone;
+                    duration_samples = 0;
+                }
+
+                if (!was_signaling && duration_samples > 28800) {
+                    int32_t duration_us = (int32_t)((int64_t)duration_samples * 125 / 3);
+                    message.state_durations[0] = -duration_us;
+                    message.state_cnt = 1;
+                    shared_memory.application_queue.push(message);
+                    duration_samples = 0;
+                }
+            }
+
+            duration_samples += 60;
+            s_prev_i = 0;
+            s_prev2_i = 0;
+            goertzel_count = 0;
+        }
+
+        audio_buf.p[i] = squelch_is_open ? (int16_t)sample : 0;
+    }
+    audio_output.write(audio_buf);
+}
+
+int main() {
+    audio::dma::init_audio_out();
+    EventDispatcher event_dispatcher{std::make_unique<MorseProcessor>()};
+    event_dispatcher.run();
+    return 0;
+}
@@ -0,0 +1,90 @@
+/*
+ * Copyright (C) 2026 Pezsma
+ *
+ * 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 __PROC_MORSE_H__
+#define __PROC_MORSE_H__
+
+#include "baseband_processor.hpp"
+#include "baseband_thread.hpp"
+#include "message.hpp"
+#include "dsp_decimate.hpp"
+#include "dsp_demodulate.hpp"
+#include "audio_output.hpp"
+#include "dsp_fir_taps.hpp"
+#include "rssi_thread.hpp"
+
+class MorseProcessor : public BasebandProcessor {
+   public:
+    MorseProcessor() {}
+
+    void execute(const buffer_c8_t& buffer) override;
+    void on_message(const Message* const p) override;
+    void update_goertzel_coeff(float freq);
+
+   private:
+    bool configured{false};
+
+    size_t baseband_fs = 3072000;
+
+    BasebandThread baseband_thread{baseband_fs, this, baseband::Direction::Receive};
+    RSSIThread rssi_thread{};
+
+    std::array<complex16_t, 512> dst_buffer{};
+    std::array<int16_t, 32> audio_buffer{};
+
+    dsp::decimate::FIRC8xR16x24FS4Decim8 decim_0{};
+    dsp::decimate::FIRC16xR16x32Decim8 decim_1{};
+    dsp::decimate::FIRAndDecimateComplex channel_filter{};
+    dsp::demodulate::FM demod{};
+    AudioOutput audio_output{};
+
+    // Goertzel and signal detection
+    int32_t coeff_int{0};
+    int32_t s_prev_i{0};
+    int32_t s_prev2_i{0};
+    uint32_t goertzel_count{0};
+    uint32_t duration_samples{0};
+    bool was_signaling{false};
+
+    // Variables required for measurement
+    int16_t prev_sample{0};
+    uint32_t zc_counter{0};
+    float current_freq{0.0f};
+
+    int32_t lpf_sample{0};
+    int32_t dc_offset{0};
+
+    // Squelch and stability
+    bool squelch_is_open{false};
+    int32_t squelch_hold{0};
+
+    int32_t user_squelch_level{0};
+    int64_t noise_floor{0};
+
+    int32_t startup_delay{0};    // Power-on delay
+    int32_t last_zc_counter{0};  // Previous ZC measurement for comparison
+
+    MorseRXDataMessage message{};
+
+    void configure();
+};
+
+#endif  // __PROC_MORSE_H__
@@ -241,7 +241,7 @@ w25q80bv_driver_t spi_flash = {

 sgpio_config_t sgpio_config = {
    .gpio_q_invert = &gpio_q_invert,
-    .gpio_hw_sync_enable = &gpio_hw_sync_enable,
+    .gpio_trigger_enable = &gpio_hw_sync_enable,
    .slice_mode_multislice = true,
 };

@@ -950,7 +950,7 @@ void pin_setup(void) {
 #ifdef HACKRF_ONE
    if (detected_platform() == BOARD_ID_HACKRF1_R9) {
        rf_path.gpio_rx = &gpio_h1r9_rx;
-        sgpio_config.gpio_hw_sync_enable = &gpio_h1r9_hw_sync_enable;
+        sgpio_config.gpio_trigger_enable = &gpio_h1r9_hw_sync_enable;
    }
 #endif
    rf_path_pin_setup(&rf_path);
@@ -1041,8 +1041,8 @@ void set_leds(const uint8_t state) {
    }
 }

-void hw_sync_enable(const hw_sync_mode_t hw_sync_mode) {
-    gpio_write(sgpio_config.gpio_hw_sync_enable, hw_sync_mode == 1);
+void trigger_enable(bool hw_sync_mode) {
+    gpio_write(sgpio_config.gpio_trigger_enable, hw_sync_mode == 1);
 }

 void halt_and_flash(const uint32_t duration) {
@@ -65,8 +65,8 @@ const usb_request_handlers_t usb_request_handlers = {
 void usb_configuration_changed(usb_device_t* const device) {
    (void)device;

-    usb_endpoint_init(&usb_endpoint_bulk_in);
-    usb_endpoint_init(&usb_endpoint_bulk_out);
+    usb_endpoint_init(&usb_endpoint_bulk_in, false);
+    usb_endpoint_init(&usb_endpoint_bulk_out, false);
 }

 void start_usb(void) {
@@ -84,8 +84,8 @@ void start_usb(void) {
    usb_queue_init(&usb_endpoint_bulk_out_queue);
    usb_queue_init(&usb_endpoint_bulk_in_queue);

-    usb_endpoint_init(&usb_endpoint_control_out);
-    usb_endpoint_init(&usb_endpoint_control_in);
+    usb_endpoint_init(&usb_endpoint_control_out, false);
+    usb_endpoint_init(&usb_endpoint_control_in, false);

    nvic_set_priority(NVIC_USB0_IRQ, 255);

@@ -126,4 +126,4 @@ void usb_transfer(void) {
            scsi_command(msd_cbw_data);
        }
    }
-}
+}
@@ -146,6 +146,9 @@ class Message {
        SSTVRXPhaseSlant = 88,
        SSTVRXCalibration = 89,
        SubCarData = 90,
+        MorseRXData = 91,
+        MorseRXConfig = 92,
+        TXDisabled = 93,
        MAX
    };

@@ -1699,4 +1702,27 @@ class SubCarDataMessage : public Message {
    uint64_t data2 = 0;
 };

+class MorseRXDataMessage : public Message {
+   public:
+    constexpr MorseRXDataMessage()
+        : Message{ID::MorseRXData} {}
+    uint32_t measured_frequency = 0;
+    int32_t state_durations[2] = {0};  // positive: high, negative: low
+    uint16_t state_cnt = 0;
+    const uint16_t maxptr = 1;
+};
+
+class MorseRXConfigureMessage : public Message {
+   public:
+    constexpr MorseRXConfigureMessage()
+        : Message{ID::MorseRXConfig} {}
+};
+
+class TXDisabledMessage : public Message {
+   public:
+    constexpr TXDisabledMessage()
+        : Message{ID::TXDisabled} {
+    }
+};
+
 #endif /*__MESSAGE_H__*/
@@ -152,12 +152,12 @@ struct misc_config_t {
    bool config_sdcard_high_speed_io : 1;
    bool config_disable_config_mode : 1;
    bool beep_on_packets : 1;
-    bool UNUSED_6 : 1;
-    bool UNUSED_7 : 1;
+    bool tx_disabled : 1;
+    bool tx_amp_disabled : 1;

+    uint8_t tx_gain_max_db;
    uint8_t PLACEHOLDER_1;
    uint8_t PLACEHOLDER_2;
-    uint8_t PLACEHOLDER_3;
 };
 static_assert(sizeof(misc_config_t) == sizeof(uint32_t));

@@ -441,6 +441,10 @@ void defaults() {
    set_recon_repeat_delay(1);

    set_config_sdcard_high_speed_io(false, true);
+
+    set_config_tx_disabled(false);
+    set_config_tx_amp_disabled(false);
+    set_config_tx_gain_max_db(47);
 }

 void init() {
@@ -649,6 +653,18 @@ bool config_sdcard_high_speed_io() {
    return data->misc_config.config_sdcard_high_speed_io;
 }

+bool config_tx_disabled() {
+    return data->misc_config.tx_disabled;
+}
+
+bool config_tx_amp_disabled() {
+    return data->misc_config.tx_amp_disabled;
+}
+
+uint8_t config_tx_gain_max_db() {
+    return data->misc_config.tx_gain_max_db;
+}
+
 bool stealth_mode() {
    return data->ui_config.stealth_mode;
 }
@@ -743,6 +759,18 @@ void set_config_sdcard_high_speed_io(bool v, bool save) {
        data->misc_config.config_sdcard_high_speed_io = v;
 }

+void set_config_tx_disabled(bool v) {
+    data->misc_config.tx_disabled = v;
+}
+
+void set_config_tx_amp_disabled(bool v) {
+    data->misc_config.tx_amp_disabled = v;
+}
+
+void set_config_tx_gain_max_db(uint8_t v) {
+    data->misc_config.tx_gain_max_db = v;
+}
+
 void set_stealth_mode(bool v) {
    data->ui_config.stealth_mode = v;
 }
@@ -203,6 +203,9 @@ bool config_disable_external_tcxo();
 bool config_sdcard_high_speed_io();
 bool config_disable_config_mode();
 bool beep_on_packets();
+bool config_tx_disabled();
+bool config_tx_amp_disabled();
+uint8_t config_tx_gain_max_db();

 bool config_splash();
 bool config_converter();
@@ -226,6 +229,9 @@ void set_config_disable_external_tcxo(bool v);
 void set_config_sdcard_high_speed_io(bool v, bool save);
 void set_config_disable_config_mode(bool v);
 void set_beep_on_packets(bool v);
+void set_config_tx_disabled(bool v);
+void set_config_tx_amp_disabled(bool v);
+void set_config_tx_gain_max_db(uint8_t v);

 void set_config_splash(bool v);
 bool config_converter();
@@ -124,6 +124,7 @@ constexpr image_tag_t image_tag_protoview{'P', 'P', 'V', 'W'};
 constexpr image_tag_t image_tag_wefaxrx{'P', 'W', 'F', 'X'};
 constexpr image_tag_t image_tag_noaaapt_rx{'P', 'N', 'O', 'A'};
 constexpr image_tag_t image_tag_sstv_rx{'P', 'S', 'R', 'X'};
+constexpr image_tag_t image_tag_morse{'P', 'M', 'R', 'S'};

 constexpr image_tag_t image_tag_noop{'P', 'N', 'O', 'P'};

@@ -1358,14 +1358,18 @@ void NewButton::paint(Painter& painter) {
        }

        if (!text_.empty()) {
-            const auto label_r = style.font.size_of(text_);
+            auto label_r = style.font.size_of(text_);
+            std::string text_to_draw = text_;
+            if (label_r.width() > r.width() - 2) {
+                // Truncate text to fit
+                size_t max_chars = (r.width() - 2) / style.font.char_width();
+                text_to_draw = text_.substr(0, max_chars);
+                label_r = style.font.size_of(text_to_draw);
+            }
            if (bitmap_) {
                y += spacing;
            }
-            painter.draw_string(
-                {r.left() + (r.width() - label_r.width()) / 2, y},
-                style,
-                text_);
+            painter.draw_string({r.left() + (r.width() - label_r.width()) / 2, y}, style, text_to_draw);
        }
    } else {  // no valign
        if (bitmap_) {
@@ -1379,11 +1383,16 @@ void NewButton::paint(Painter& painter) {
        }

        if (!text_.empty()) {
-            const auto label_r = style.font.size_of(text_);
-            painter.draw_string(
-                {r.left() + (r.width() - label_r.width()) / 2, y + (r.height() - label_r.height()) / 2},
-                style,
-                text_);
+            auto label_r = style.font.size_of(text_);
+            std::string text_to_draw = text_;
+            if (label_r.width() > r.width() - 2) {
+                // Truncate text to fit
+                size_t max_chars = (r.width() - 2) / style.font.char_width();
+                text_to_draw = text_.substr(0, max_chars);
+                label_r = style.font.size_of(text_to_draw);
+            }
+            painter.draw_string({r.left() + (r.width() - label_r.width()) / 2, y + (r.height() - label_r.height()) / 2}, style,
+                                text_to_draw);
        }
    }
 }
@@ -1732,6 +1741,14 @@ bool ImageOptionsField::on_keyboard(const KeyboardEvent key) {
    return false;
 }

+bool ImageOptionsField::on_key(const KeyEvent event) {
+    if (event == KeyEvent::Select) {
+        on_encoder(1);
+        return true;
+    }
+    return false;
+}
+
 bool ImageOptionsField::on_touch(const TouchEvent event) {
    if (event.type == TouchEvent::Type::Start) {
        focus();
@@ -1881,6 +1898,14 @@ bool OptionsField::on_keyboard(const KeyboardEvent key) {
    return false;
 }

+bool OptionsField::on_key(const KeyEvent event) {
+    if (event == KeyEvent::Select) {
+        on_encoder(1);
+        return true;
+    }
+    return false;
+}
+
 bool OptionsField::on_touch(const TouchEvent event) {
    if (event.type == TouchEvent::Type::Start) {
        focus();
@@ -2269,20 +2294,44 @@ void NumberField::getWidgetName(std::string& result) {
 }

 void NumberField::set_value(int32_t new_value, bool trigger_change) {
+    const int32_t lo = range.first;
+    const int32_t hi = range.second;
+
+    // Helper: floor-div for negatives
+    auto floordiv = [](int64_t a, int64_t b) -> int64_t {  // b > 0
+        int64_t q = a / b;
+        int64_t r = a % b;
+        return (r < 0) ? (q - 1) : q;
+    };
+    // Helper: positive modulo
+    auto posmod = [](int64_t a, int64_t m) -> int64_t {  // m > 0
+        int64_t r = a % m;
+        return (r < 0) ? (r + m) : r;
+    };
+
    if (can_loop) {
-        if (new_value >= range.first)
-            new_value = new_value % (range.second + 1);
-        else
-            new_value = range.second + new_value + 1;
+        // number of discrete positions
+        const int64_t count = (int64_t)(hi - lo) / step + 1;
+
+        // map value -> step index (floor so negatives behave)
+        int64_t idx = floordiv((int64_t)new_value - lo, step);
+
+        // wrap index
+        idx = posmod(idx, count);
+
+        // rebuild value
+        new_value = (int32_t)(lo + idx * step);
+    } else {
+        new_value = clip(new_value, lo, hi);
+        // optionally snap to step here too
+        int64_t idx = floordiv((int64_t)new_value - lo, step);
+        new_value = (int32_t)(lo + idx * step);
    }

-    new_value = clip(new_value, range.first, range.second);
-
+    // set final value if needed
    if (new_value != value()) {
        value_ = new_value;
-        if (on_change && trigger_change) {
-            on_change(value_);
-        }
+        if (on_change && trigger_change) on_change(value_);
        set_dirty();
    }
 }
@@ -2313,6 +2362,8 @@ bool NumberField::on_key(const KeyEvent key) {
        if (on_select) {
            on_select(*this);
            return true;
+        } else {
+            return on_encoder(1);
        }
    }

@@ -666,6 +666,8 @@ class ImageOptionsField : public Widget {
    bool on_encoder(const EncoderEvent delta) override;
    bool on_touch(const TouchEvent event) override;
    bool on_keyboard(const KeyboardEvent event) override;
+    bool on_key(const KeyEvent event) override;
+
    void getAccessibilityText(std::string& result) override;
    void getWidgetName(std::string& result) override;

@@ -674,6 +676,7 @@ class ImageOptionsField : public Widget {
    size_t selected_index_{0};
    Color foreground_;
    Color background_;
+    bool is_activated = false;
 };

 class OptionsField : public Widget {
@@ -706,6 +709,7 @@ class OptionsField : public Widget {
    bool on_encoder(const EncoderEvent delta) override;
    bool on_touch(const TouchEvent event) override;
    bool on_keyboard(const KeyboardEvent event) override;
+    bool on_key(const KeyEvent event) override;

    void getAccessibilityText(std::string& result) override;
    void getWidgetName(std::string& result) override;
@@ -715,6 +719,7 @@ class OptionsField : public Widget {
    options_t options_;
    size_t selected_index_{0};
    bool centered_{false};  // e.g.: length as screen_width/8, x position as 0, it will be centered in x axis
+    bool is_activated = false;
 };

 // A TextEdit is bound to a string reference and allows the string
@@ -851,11 +856,11 @@ class NumberField : public Widget {
    NumberField(Point parent_pos, int length, range_t range, int32_t step, char fill_char, bool can_loop);

    NumberField(Point parent_pos, int length, range_t range, int32_t step, char fill_char)
-        : NumberField{parent_pos, length, range, step, fill_char, false} {
+        : NumberField{parent_pos, length, range, step, fill_char, true} {
    }

    NumberField()
-        : NumberField{{0, 0}, 1, {0, 1}, 1, ' ', false} {
+        : NumberField{{0, 0}, 1, {0, 1}, 1, ' ', true} {
    }

    NumberField(const NumberField&) = delete;
Author	SHA1	Message	Date
zxkmm	86d7b345d0	waterfall color designer app (#2625 )	2026-01-19 21:46:25 +01:00
Pezsma	877ede5f86	Added morse receiver app. (#2923 ) * Adder morse receiver app. Works with cw and fm mode. Adaptive speed learning. Logging.	2026-01-16 09:57:45 +01:00
gullradriel	19eb1c40ab	fix NumberField wrapping when steps is not '1' and minimum can be negative (#2920 )	2026-01-11 22:49:18 +01:00
gullradriel	9c03a18893	Looking glass marker no encoder (#2919 ) * enable repeat mode for select button too * added marker + and marker - buttons, removed non effective iqcalc tuning	2026-01-10 20:19:10 +01:00
gullradriel	cd504eb4a7	Udpdate hackrf submodule (#2906 ) * add missing parameter to usb endpoint init * make firmware compile with latest hackrf * updated submodule * format code	2026-01-10 16:19:53 +01:00
Totoo	dc976c7f38	make sd over usb external (#2918 )	2026-01-10 15:10:23 +01:00
Totoo	266d90a600	Updated subcar processors (#2913 )	2026-01-10 14:47:33 +01:00
Totoo	2884bb9ab7	make siggen ext (#2917 )	2026-01-10 21:25:41 +08:00
Totoo	133b2d2065	fix for #2903 (#2914 )	2026-01-10 20:25:30 +08:00
Totoo	2f2671f76c	Some tweaks to support some usecases without encoder, also maximize the NewButton's text size (#2915 )	2026-01-10 20:21:57 +08:00
Totoo	f5c2c78733	fix looking glass marker on portarf (#2912 )	2026-01-09 20:32:31 +00:00
Harin Lee	e4ab7227fc	Fix typos of 'transceiver' (#2910 )	2026-01-08 10:34:05 +01:00
Harin Lee	93799bde6d	New approach to support RX-only mode more cleanly (#2908 ) * Add enabled checks in ReceiverModel and TransmitterModel * Move TX limit logic to TransmitterModel from radio API * Add TX disable functionality and UI	2026-01-07 12:29:56 +08:00
RML	3d979a613a	remove github pages CNAME (#2905 )	2026-01-04 09:25:45 +01:00
Harin Lee	ee97b51eb3	Add some features to support RX-only mode (#2904 ) * Remove duplicate LED control code * Add TX limit settings and UI * Fix App Manager to handle non-application menu items	2026-01-03 22:10:34 +01:00