Solve mic to hp small side effect (#1523 )

* Allowing to hear Mic at TX time with Receiver ON * Solve small side effect to Audio RX App
Allowing to hear Mic at TX time with Receiver ON (#1522 )
2026-09-14 02:29:29 +00:00 · 2023-10-22 19:10:26 +02:00 · 2023-10-22 01:13:32 +02:00 · 2023-10-21 17:31:17 +02:00 · 2023-10-20 18:43:22 -05:00 · 2023-10-19 20:14:25 +02:00
92 changed files with 656 additions and 299 deletions
@@ -1 +1 @@
-v1.7.3
+v1.7.4
@@ -1 +1 @@
-v1.7.4
+v1.8.0
@@ -8,11 +8,11 @@ This is a fork of the [Havoc](https://github.com/furrtek/portapack-havoc/) firmw

 *[PortaPack H2+HackRF+battery](https://s.click.aliexpress.com/e/_DmU7GQX) (clone) with a custom [3d printed case](https://github.com/eried/portapack-mayhem/wiki/H2-Enclosure)*

-# Quick overview
+# What is this?

-If you are new to *HackRF+PortaPack+Mayhem*, there is an awesome introductory video by [Tech Minds](https://www.youtube.com/channel/UC9a8Z6Sp6eb2s3O79pX5Zvg) available:
+If you are new to *HackRF+PortaPack+Mayhem*, check this video:

-[![Setup and overview](https://img.youtube.com/vi/kjFB58Y1TAo/0.jpg)](https://www.youtube.com/watch?v=kjFB58Y1TAo)
+[![What is?](https://img.youtube.com/vi/alrFbY5vxt4/0.jpg)](https://www.youtube.com/watch?v=alrFbY5vxt4)

 # Frequently Asked Questions

@@ -156,6 +156,7 @@ bool save_settings(std::string_view store_name, const SettingBindings& bindings)
    File f;
    auto path = get_settings_path(std::string{store_name});

+    make_new_directory(SETTINGS_DIR);
    auto error = f.create(path);
    if (error)
        return false;
@@ -244,8 +245,7 @@ SettingsManager::SettingsManager(
    : app_name_{app_name},
      settings_{},
      bindings_{},
-      loaded_{false},
-      radio_loaded_{false} {
+      loaded_{false} {
    settings_.mode = mode;
    settings_.options = options;

@@ -253,53 +253,50 @@ SettingsManager::SettingsManager(
    additional_settings.reserve(17 + additional_settings.size());
    bindings_ = std::move(additional_settings);

-    // Additional settings should always be loaded because apps now rely
-    // on being able to store UI settings, config, etc. The radio settings
-    // are only loaded if the global option has been enabled.
-    // Add the radio setting bindings if either load or save are enabled.
-    if (portapack::persistent_memory::load_app_settings() ||
-        portapack::persistent_memory::save_app_settings()) {
-        // Transmitter model settings.
-        if (flags_enabled(mode, Mode::TX)) {
-            bindings_.emplace_back("tx_frequency"sv, &settings_.tx_frequency);
-            bindings_.emplace_back("tx_amp"sv, &settings_.tx_amp);
-            bindings_.emplace_back("tx_gain"sv, &settings_.tx_gain);
-            bindings_.emplace_back("channel_bandwidth"sv, &settings_.channel_bandwidth);
-        }
+    // Settings should always be loaded because apps now rely
+    // on being able to store UI settings, config, etc.

-        // Receiver model settings.
-        if (flags_enabled(mode, Mode::RX)) {
-            bindings_.emplace_back("rx_frequency"sv, &settings_.rx_frequency);
-            bindings_.emplace_back("lna"sv, &settings_.lna);
-            bindings_.emplace_back("vga"sv, &settings_.vga);
-            bindings_.emplace_back("rx_amp"sv, &settings_.rx_amp);
-            bindings_.emplace_back("modulation"sv, &settings_.modulation);
-            bindings_.emplace_back("am_config_index"sv, &settings_.am_config_index);
-            bindings_.emplace_back("nbfm_config_index"sv, &settings_.nbfm_config_index);
-            bindings_.emplace_back("wfm_config_index"sv, &settings_.wfm_config_index);
-            bindings_.emplace_back("squelch"sv, &settings_.squelch);
-        }
-
-        // Common model settings.
-        bindings_.emplace_back("baseband_bandwidth"sv, &settings_.baseband_bandwidth);
-        bindings_.emplace_back("sampling_rate"sv, &settings_.sampling_rate);
-        bindings_.emplace_back("step"sv, &settings_.step);
-        bindings_.emplace_back("volume"sv, &settings_.volume);
+    // Transmitter model settings.
+    if (flags_enabled(mode, Mode::TX)) {
+        bindings_.emplace_back("tx_frequency"sv, &settings_.tx_frequency);
+        bindings_.emplace_back("tx_amp"sv, &settings_.tx_amp);
+        bindings_.emplace_back("tx_gain"sv, &settings_.tx_gain);
+        bindings_.emplace_back("channel_bandwidth"sv, &settings_.channel_bandwidth);
    }

+    // Receiver model settings.
+    if (flags_enabled(mode, Mode::RX)) {
+        bindings_.emplace_back("rx_frequency"sv, &settings_.rx_frequency);
+        bindings_.emplace_back("lna"sv, &settings_.lna);
+        bindings_.emplace_back("vga"sv, &settings_.vga);
+        bindings_.emplace_back("rx_amp"sv, &settings_.rx_amp);
+        bindings_.emplace_back("modulation"sv, &settings_.modulation);
+        bindings_.emplace_back("am_config_index"sv, &settings_.am_config_index);
+        bindings_.emplace_back("nbfm_config_index"sv, &settings_.nbfm_config_index);
+        bindings_.emplace_back("wfm_config_index"sv, &settings_.wfm_config_index);
+        bindings_.emplace_back("squelch"sv, &settings_.squelch);
+    }
+
+    // Common model settings.
+    bindings_.emplace_back("baseband_bandwidth"sv, &settings_.baseband_bandwidth);
+    bindings_.emplace_back("sampling_rate"sv, &settings_.sampling_rate);
+    bindings_.emplace_back("step"sv, &settings_.step);
+    bindings_.emplace_back("volume"sv, &settings_.volume);
+
+    // RadioState should have initialized default radio parameters before this function;
+    // copy them to settings_ before checking settings .ini file (in case the file doesn't exist
+    // or doesn't include all parameters). Settings in the file can overwrite all, or a subset of parameters.
+    copy_from_radio_model(settings_);
+
    loaded_ = load_settings(app_name_, bindings_);

    // Only copy to the radio if load was successful.
-    if (loaded_ && portapack::persistent_memory::load_app_settings()) {
-        radio_loaded_ = true;
+    if (loaded_)
        copy_to_radio_model(settings_);
-    }
 }

 SettingsManager::~SettingsManager() {
-    // Only save radio settings when the option is enabled.
-    if (portapack::persistent_memory::save_app_settings())
-        copy_from_radio_model(settings_);
+    copy_from_radio_model(settings_);

    save_settings(app_name_, bindings_);
 }
@@ -36,6 +36,9 @@
 #include "max283x.hpp"
 #include "string_format.hpp"

+// Folder to store app settings, pmem_fileflag, and date_fileflag
+#define SETTINGS_DIR u"/SETTINGS"
+
 // Bring in the string_view literal.
 using std::literals::operator""sv;

@@ -170,8 +173,6 @@ class SettingsManager {
    /* True if settings were successfully loaded from file. */
    bool loaded() const { return loaded_; }

-    /* True if radio settings were successfully loaded from file. */
-    bool radio_loaded() const { return radio_loaded_; }
    Mode mode() const { return settings_.mode; }

    AppSettings& raw() { return settings_; }
@@ -181,7 +182,6 @@ class SettingsManager {
    AppSettings settings_;
    SettingBindings bindings_;
    bool loaded_;
-    bool radio_loaded_;
 };

 }  // namespace app_settings
@@ -60,11 +60,12 @@ class ACARSAppView : public View {
   private:
    NavigationView& nav_;
    RxRadioState radio_state_{
+        131550000 /* frequency */,
        1750000 /* bandwidth */,
        2457600 /* sampling rate */
    };
    app_settings::SettingsManager settings_{
-        "rx_acars.hpp", app_settings::Mode::RX};
+        "rx_acars", app_settings::Mode::RX};

    bool logging{false};
    uint32_t packet_counter{0};
@@ -382,9 +382,6 @@ AISAppView::AISAppView(NavigationView& nav)

    recent_entry_detail_view.hidden(true);

-    if (!settings_.radio_loaded())
-        receiver_model.set_target_frequency(initial_target_frequency);
-
    receiver_model.enable();

    options_channel.on_change = [this](size_t, OptionsField::value_t v) {
@@ -162,9 +162,8 @@ class AISAppView : public View {
    std::string title() const override { return "AIS RX"; };

   private:
-    static constexpr uint32_t initial_target_frequency = 162025000;
-
    RxRadioState radio_state_{
+        162025000 /* frequency*/,
        1750000 /* bandwidth */,
        2457600 /* sampling rate */
    };
@@ -110,9 +110,6 @@ ERTAppView::ERTAppView(NavigationView&) {
        &recent_entries_view,
    });

-    if (!settings_.radio_loaded())
-        receiver_model.set_target_frequency(initial_target_frequency);
-
    receiver_model.enable();

    logger = std::make_unique<ERTLogger>();
@@ -123,12 +123,11 @@ class ERTAppView : public View {
    std::string title() const override { return "ERT RX"; };

   private:
-    static constexpr uint32_t initial_target_frequency = 911600000;
-
    ERTRecentEntries recent{};
    std::unique_ptr<ERTLogger> logger{};

    RxRadioState radio_state_{
+        911600000 /* frequency */,
        2500000 /* bandwidth */,
        4194304 /* sampling rate */};
    app_settings::SettingsManager settings_{
@@ -176,13 +176,6 @@ GpsSimAppView::GpsSimAppView(
        &waterfall,
    });

-    transmitter_model.set_baseband_bandwidth(15'000'000);  // GPS L1 signal use to have wide band spectrum, still with lobule energy -30dB's at + - 15 Mhz
-
-    if (!settings_.radio_loaded()) {
-        field_frequency.set_value(initial_target_frequency);
-        transmitter_model.set_sampling_rate(2600000);
-    }
-
    field_frequency.set_step(5000);

    button_play.on_select = [this](ImageButton&) {
@@ -51,21 +51,17 @@ class GpsSimAppView : public View {
    std::string title() const override { return "GPS Sim TX"; };

   private:
-    static constexpr uint32_t initial_target_frequency = 1575420000;
-
    NavigationView& nav_;
-    RxRadioState radio_state_{
-        3000000 /* bandwidth */,
-        500000 /* sampling rate */
+    TxRadioState radio_state_{
+        1575420000 /* frequency */,
+        15000000 /* bandwidth */,
+        2600000 /* sampling rate */
    };
    app_settings::SettingsManager settings_{
        "tx_gps", app_settings::Mode::TX};

    static constexpr ui::Dim header_height = 3 * 16;

-    int32_t tx_gain{47};
-    bool rf_amp{true};                                       // aux private var to store temporal, same as Replay App rf_amp user selection.
-    static constexpr uint32_t baseband_bandwidth = 3000000;  // filter bandwidth
    const size_t read_size{16384};
    const size_t buffer_count{3};

@@ -238,6 +238,10 @@ void LGEView::start_tx() {
        tx_view.set_dirty();
    }

+    /* By experimental test, previous fw 1.7.4 seems to have setting , tx LPF = 5Mhz
+    This LGE - seems to be for controlling a "laser tag equipment" (Havoc app) , modulated  FSK , low bauds,
+    and using max GUI fm dev 150k , we are still in NBFM, let's reduce slightly original TX LPF 5M ->2M5*/
+    transmitter_model.set_baseband_bandwidth(2'500'000);
    transmitter_model.enable();

    chThdSleep(100);
@@ -51,6 +51,7 @@ class LGEView : public View {
    };

    TxRadioState radio_state_{
+        868067000 /* frequency */,
        1750000 /* bandwidth */,
        2280000 /* sampling rate */
    };
@@ -114,9 +114,6 @@ POCSAGAppView::POCSAGAppView(NavigationView& nav)
                                    ? FILTER_NONE
                                    : FILTER_DROP;
    }
-    if (!app_settings_.radio_loaded()) {
-        field_frequency.set_value(initial_target_frequency);
-    }

    logger.append(LOG_ROOT_DIR "/POCSAG.TXT");

@@ -197,14 +197,17 @@ class POCSAGAppView : public View {
    void focus() override;

   private:
-    static constexpr uint32_t initial_target_frequency = 466'175'000;
    bool logging() const { return settings_.enable_logging; };
    bool logging_raw() const { return settings_.enable_raw_log; };
    bool hide_bad_data() const { return settings_.hide_bad_data; };
    bool hide_addr_only() const { return settings_.hide_addr_only; };

    NavigationView& nav_;
-    RxRadioState radio_state_{};
+    RxRadioState radio_state_{
+        466175000 /* frequency*/,
+        max283x::filter::bandwidth_minimum /* bandwidth */,
+        3072000 /* sampling rate */
+    };

    // Settings
    POCSAGSettings settings_{};
@@ -120,7 +120,6 @@ void SoundBoardView::start_tx(const uint32_t id) {
    );
    baseband::set_sample_rate(sample_rate);

-    transmitter_model.set_baseband_bandwidth(1'750'000);  // the Minimum TX LPF  1M75 is fine.
    transmitter_model.enable();

    tx_view.set_transmitting(true);
@@ -50,6 +50,7 @@ class SoundBoardView : public View {

   private:
    TxRadioState radio_state_{
+        0 /* frequency */,
        1750000 /* bandwidth */,
        1536000 /* sampling rate */
    };
@@ -157,9 +157,6 @@ TPMSAppView::TPMSAppView(NavigationView&) {
                  &field_vga,
                  &recent_entries_view});

-    if (!settings_.radio_loaded())
-        receiver_model.set_target_frequency(initial_target_frequency);
-
    receiver_model.enable();

    options_band.on_change = [this](size_t, OptionsField::value_t v) {
@@ -102,9 +102,8 @@ class TPMSAppView : public View {
    std::string title() const override { return "TPMS RX"; };

   private:
-    static constexpr uint32_t initial_target_frequency = 315000000;
-
    RxRadioState radio_state_{
+        315000000 /* frequency*/,
        1750000 /* bandwidth */,
        2457600 /* sampling rate */};
    app_settings::SettingsManager settings_{
@@ -135,7 +134,7 @@ class TPMSAppView : public View {
        3,
        {
            {"315", 315000000},
-            {"433", 433920000},
+            {"434", 433920000},
        }};

    OptionsField options_pressure{
@@ -34,6 +34,8 @@ using namespace portapack;

 namespace ui {

+bool ac_details_view_active{false};
+
 template <>
 void RecentEntriesTable<AircraftRecentEntries>::draw(
    const Entry& entry,
@@ -182,6 +184,7 @@ ADSBRxAircraftDetailsView::ADSBRxAircraftDetailsView(
            break;
    }
    button_close.on_select = [&nav](Button&) {
+        ac_details_view_active = false;
        nav.pop();
    };
 };
@@ -217,6 +220,7 @@ void ADSBRxDetailsView::update(const AircraftRecentEntry& entry) {
 }

 ADSBRxDetailsView::~ADSBRxDetailsView() {
+    ac_details_view_active = false;
    on_close_();
 }

@@ -260,6 +264,7 @@ ADSBRxDetailsView::ADSBRxDetailsView(
    text_icao_address.set(to_string_hex(entry_copy.ICAO_address, 6));

    button_aircraft_details.on_select = [this, &nav](Button&) {
+        ac_details_view_active = true;
        aircraft_details_view = nav.push<ADSBRxAircraftDetailsView>(entry_copy, [this]() { send_updates = false; });
        send_updates = false;
    };
@@ -433,6 +438,11 @@ void ADSBRxView::updateDetailsAndMap(int ageStep) {
    ui::GeoMarker marker;
    bool storeNewMarkers = false;

+    // NB: Temporarily pausing updates in rtc_timer_tick context when viewing AC Details screen (kludge for some Guru faults)
+    // TODO: More targeted blocking of updates in rtc_timer_tick when ADSB processes are running
+    if (ac_details_view_active)
+        return;
+
    // Sort and truncate the entries, grouped, newest group first
    sort_entries_by_state();
    truncate_entries(recent);
@@ -511,7 +521,6 @@ ADSBRxView::ADSBRxView(NavigationView& nav) {

    baseband::set_adsb();

-    receiver_model.set_target_frequency(1'090'000'000);
    receiver_model.enable();
 }

@@ -342,6 +342,7 @@ class ADSBRxView : public View {

   private:
    RxRadioState radio_state_{
+        1090000000 /* frequency */,
        2500000 /* bandwidth */,
        2000000 /* sampling rate */,
        ReceiverModel::Mode::SpectrumAnalysis};
@@ -299,7 +299,6 @@ void ADSBTxView::start_tx() {
    /* Already tested , with SDR Angel + another Hackrf RX  and dump1090 + SDR RLT. Final conclusion is TX LPF 6 Mhz is
     * the best settings to fulfill ADSB transponder spectrum mask requirements (<=-20 dB's at +-7Mhz , <=-40 dB's at +-23Mhz )
     * and not showing any ADSB data decoding degradation.*/
-    transmitter_model.set_baseband_bandwidth(6'000'000);  // best settings for ADSB TX.
    transmitter_model.enable();

    baseband::set_adsb();
@@ -203,7 +203,8 @@ class ADSBTxView : public View {
        };*/

    TxRadioState radio_state_{
-        10000000 /* bandwidth */,
+        1090000000 /* frequency */,
+        6000000 /* bandwidth */,
        4000000 /* sampling rate */
    };
    app_settings::SettingsManager settings_{
@@ -190,7 +190,11 @@ class APRSRxView : public View {
    bool reset_console = false;

    NavigationView& nav_;
-    RxRadioState radio_state_{};
+    RxRadioState radio_state_{
+        144390000 /* frequency */,
+        1750000 /* bandwidth */,
+        3072000 /* sampling rate */
+    };
    app_settings::SettingsManager settings_{
        "rx_aprs", app_settings::Mode::RX};

@@ -57,7 +57,6 @@ void APRSTXView::start_tx() {
    // uint8_t * bb_data_ptr = shared_memory.bb_data.data;
    // text_payload.set(to_string_hex_array(bb_data_ptr + 56, 15));

-    transmitter_model.set_baseband_bandwidth(1'750'000);  // APRS Automatic Packet Reporting System (APRS).AFSK with NBFM , max BW= 12k5 , then TX LPF min 1M75
    transmitter_model.enable();

    baseband::set_afsk_data(
@@ -46,6 +46,7 @@ class APRSTXView : public View {

   private:
    TxRadioState radio_state_{
+        144390000 /* frequency */,
        1750000 /* bandwidth */,
        AFSK_TX_SAMPLERATE /* sampling rate */
    };
@@ -54,7 +54,6 @@ BTLERxView::BTLERxView(NavigationView& nav)
                  &console});

    // Auto-configure modem for LCR RX (TODO: remove later)
-    field_frequency.set_value(2426000000);
    auto def_bell202 = &modem_defs[0];
    persistent_memory::set_modem_baudrate(def_bell202->baudrate);
    serial_format_t serial_format;
@@ -50,6 +50,7 @@ class BTLERxView : public View {

    NavigationView& nav_;
    RxRadioState radio_state_{
+        2426000000 /* frequency */,
        4000000 /* bandwidth */,
        4000000 /* sampling rate */,
        ReceiverModel::Mode::WidebandFMAudio};
@@ -67,7 +67,6 @@ void CoasterPagerView::generate_frame() {
 void CoasterPagerView::start_tx() {
    generate_frame();

-    transmitter_model.set_baseband_bandwidth(1'750'000);  // AFSK narrowband ,low baud,  max FM dev 150khz , std 10khz. TX LPF=1M75 the min.
    transmitter_model.enable();

    baseband::set_fsk_data(19 * 8, 2280000 / 1000, 5000, 32);
@@ -52,11 +52,12 @@ class CoasterPagerView : public View {
    tx_modes tx_mode = IDLE;

    TxRadioState radio_state_{
+        433920000, /* frequency */
        1750000 /* bandwidth */,
        2280000 /* sampling rate */
    };
    app_settings::SettingsManager settings_{
-        "tx_coaster", app_settings::Mode::TX};
+        "tx_burger", app_settings::Mode::TX};

    void start_tx();
    void generate_frame();
@@ -34,6 +34,7 @@
 #include "ui_font_fixed_8x16.hpp"
 #include "ui_styles.hpp"
 #include "ui_painter.hpp"
+#include "ui_external_items_menu_loader.hpp"

 #include "portapack.hpp"
 #include "portapack_persistent_memory.hpp"
@@ -400,7 +401,6 @@ DebugMenuView::DebugMenuView(NavigationView& nav) {
    add_items({
        {"Buttons Test", ui::Color::dark_cyan(), &bitmap_icon_controls, [&nav]() { nav.push<DebugControlsView>(); }},
        {"Debug Dump", ui::Color::dark_cyan(), &bitmap_icon_memory, [&nav]() { portapack::persistent_memory::debug_dump(); }},
-        //{"Fonts Viewer", ui::Color::dark_cyan(), &bitmap_icon_notepad, [&nav]() { nav.push<DebugFontsView>(); }},  // temporarily disabled to conserve ROM space
        {"M0 Stack Dump", ui::Color::dark_cyan(), &bitmap_icon_memory, [&nav]() { stack_dump(); }},
        {"Memory", ui::Color::dark_cyan(), &bitmap_icon_memory, [&nav]() { nav.push<DebugMemoryView>(); }},
        {"P.Memory", ui::Color::dark_cyan(), &bitmap_icon_memory, [&nav]() { nav.push<DebugPmemView>(); }},
@@ -410,6 +410,11 @@ DebugMenuView::DebugMenuView(NavigationView& nav) {
        {"Temperature", ui::Color::dark_cyan(), &bitmap_icon_temperature, [&nav]() { nav.push<TemperatureView>(); }},
        {"Touch Test", ui::Color::dark_cyan(), &bitmap_icon_notepad, [&nav]() { nav.push<DebugScreenTest>(); }},
    });
+
+    for (auto const& gridItem : ExternalItemsMenuLoader::load_external_items(app_location_t::DEBUG, nav)) {
+        add_item(gridItem);
+    };
+
    set_max_rows(2);  // allow wider buttons
 }

@@ -469,41 +474,6 @@ uint32_t DebugPmemView::registers_widget_feed(const size_t register_number) {
    return data.regfile[(page_size * page + register_number) / 4] >> (register_number % 4 * 8);
 }

-/* DebugFontsView *******************************************************/
-
-uint16_t DebugFontsView::display_font(Painter& painter, uint16_t y_offset, const Style* font_style, std::string_view font_name) {
-    auto char_width{font_style->font.char_width()};
-    auto char_height{font_style->font.line_height()};
-    auto cpl{((screen_width / char_width) - 6) & 0xF8};  // Display a multiple of 8 characters per line
-    uint16_t line_pos{y_offset};
-
-    painter.draw_string({0, y_offset}, *font_style, font_name);
-
-    // Displaying ASCII+extended characters from 0x20 to 0xFF
-    for (uint8_t c = 0; c <= 0xDF; c++) {
-        line_pos = y_offset + ((c / cpl) + 2) * char_height;
-
-        if ((c % cpl) == 0)
-            painter.draw_string({0, line_pos}, *font_style, "Ox" + to_string_hex(c + 0x20, 2));
-
-        painter.draw_char({((c % cpl) + 5) * char_width, line_pos}, *font_style, (char)(c + 0x20));
-    }
-
-    return line_pos + char_height;
-}
-
-void DebugFontsView::paint(Painter& painter) {
-    int16_t line_pos;
-
-    line_pos = display_font(painter, 32, &Styles::white, "Fixed 8x16");
-    display_font(painter, line_pos + 16, &Styles::white_small, "Fixed 5x8");
-}
-
-DebugFontsView::DebugFontsView(NavigationView& nav)
-    : nav_{nav} {
-    set_focusable(true);
-}
-
 /* DebugScreenTest ****************************************************/

 DebugScreenTest::DebugScreenTest(NavigationView& nav)
@@ -310,17 +310,6 @@ class DebugPmemView : public View {
    uint32_t registers_widget_feed(const size_t register_number);
 };

-class DebugFontsView : public View {
-   public:
-    DebugFontsView(NavigationView& nav);
-    void paint(Painter& painter) override;
-    std::string title() const override { return "Fonts"; };
-
-   private:
-    uint16_t display_font(Painter& painter, uint16_t y_offset, const Style* font_style, std::string_view font_name);
-    NavigationView& nav_;
-};
-
 class DebugScreenTest : public View {
   public:
    DebugScreenTest(NavigationView& nav);
@@ -92,7 +92,9 @@ DfuMenu2::DfuMenu2(NavigationView& nav)
                  &text_info_line_5,
                  &text_info_line_6,
                  &text_info_line_7,
-                  &text_info_line_8});
+                  &text_info_line_8,
+                  &text_info_line_9,
+                  &text_info_line_10});
 }

 void DfuMenu2::paint(Painter& painter) {
@@ -103,10 +105,12 @@ void DfuMenu2::paint(Painter& painter) {
    text_info_line_5.set(to_string_dec_uint(portapack::receiver_model.am_configuration(), 10));
    text_info_line_6.set(to_string_dec_uint(portapack::receiver_model.nbfm_configuration(), 10));
    text_info_line_7.set(to_string_dec_uint(portapack::receiver_model.wfm_configuration(), 10));
-    text_info_line_8.set("");
+    text_info_line_8.set(to_string_dec_uint(portapack::transmitter_model.target_frequency(), 10));
+    text_info_line_9.set(to_string_dec_uint(portapack::transmitter_model.baseband_bandwidth(), 10));
+    text_info_line_10.set(to_string_dec_uint(portapack::transmitter_model.sampling_rate(), 10));

    constexpr auto margin = 5;
-    constexpr auto lines = 8 + 2;
+    constexpr auto lines = 10 + 2;

    painter.fill_rectangle(
        {{5 * CHARACTER_WIDTH - margin, 3 * LINE_HEIGHT - margin},
@@ -77,17 +77,19 @@ class DfuMenu2 : public View {
   private:
    NavigationView& nav_;

-    Text text_head{{6 * CHARACTER_WIDTH, 3 * LINE_HEIGHT, 8 * CHARACTER_WIDTH, 1 * LINE_HEIGHT}, "Receiver"};
+    Text text_head{{6 * CHARACTER_WIDTH, 3 * LINE_HEIGHT, 14 * CHARACTER_WIDTH, 1 * LINE_HEIGHT}, "Radio Settings"};

    Labels labels{
-        {{5 * CHARACTER_WIDTH, 5 * LINE_HEIGHT}, "Tgt freq:", Color::dark_cyan()},
-        {{5 * CHARACTER_WIDTH, 6 * LINE_HEIGHT}, "Bandwidt:", Color::dark_cyan()},
-        {{5 * CHARACTER_WIDTH, 7 * LINE_HEIGHT}, "Sampl Rt:", Color::dark_cyan()},
+        {{5 * CHARACTER_WIDTH, 5 * LINE_HEIGHT}, "RX Freq:", Color::dark_cyan()},
+        {{5 * CHARACTER_WIDTH, 6 * LINE_HEIGHT}, "RX BW:", Color::dark_cyan()},
+        {{5 * CHARACTER_WIDTH, 7 * LINE_HEIGHT}, "RX SampR:", Color::dark_cyan()},
        {{5 * CHARACTER_WIDTH, 8 * LINE_HEIGHT}, "Modulatn:", Color::dark_cyan()},
        {{5 * CHARACTER_WIDTH, 9 * LINE_HEIGHT}, "AM cfg:", Color::dark_cyan()},
        {{5 * CHARACTER_WIDTH, 10 * LINE_HEIGHT}, "NBFM cfg:", Color::dark_cyan()},
        {{5 * CHARACTER_WIDTH, 11 * LINE_HEIGHT}, "WFM cfg:", Color::dark_cyan()},
-        {{5 * CHARACTER_WIDTH, 12 * LINE_HEIGHT}, "", Color::dark_cyan()}};
+        {{5 * CHARACTER_WIDTH, 12 * LINE_HEIGHT}, "TX Freq:", Color::dark_cyan()},
+        {{5 * CHARACTER_WIDTH, 13 * LINE_HEIGHT}, "TX BW:", Color::dark_cyan()},
+        {{5 * CHARACTER_WIDTH, 14 * LINE_HEIGHT}, "TX SampR:", Color::dark_cyan()}};

    Text text_info_line_1{{14 * CHARACTER_WIDTH, 5 * LINE_HEIGHT, 10 * CHARACTER_WIDTH, 1 * LINE_HEIGHT}, ""};
    Text text_info_line_2{{14 * CHARACTER_WIDTH, 6 * LINE_HEIGHT, 10 * CHARACTER_WIDTH, 1 * LINE_HEIGHT}, ""};
@@ -97,6 +99,8 @@ class DfuMenu2 : public View {
    Text text_info_line_6{{14 * CHARACTER_WIDTH, 10 * LINE_HEIGHT, 10 * CHARACTER_WIDTH, 1 * LINE_HEIGHT}, ""};
    Text text_info_line_7{{14 * CHARACTER_WIDTH, 11 * LINE_HEIGHT, 10 * CHARACTER_WIDTH, 1 * LINE_HEIGHT}, ""};
    Text text_info_line_8{{14 * CHARACTER_WIDTH, 12 * LINE_HEIGHT, 10 * CHARACTER_WIDTH, 1 * LINE_HEIGHT}, ""};
+    Text text_info_line_9{{14 * CHARACTER_WIDTH, 13 * LINE_HEIGHT, 10 * CHARACTER_WIDTH, 1 * LINE_HEIGHT}, ""};
+    Text text_info_line_10{{14 * CHARACTER_WIDTH, 14 * LINE_HEIGHT, 10 * CHARACTER_WIDTH, 1 * LINE_HEIGHT}, ""};
 };

 } /* namespace ui */
@@ -269,6 +269,9 @@ void EncodersView::start_tx(const bool scan) {
    repeat_index = 1;
    update_progress();

+    /* Setting TX LPF 1M75 in this TX OOK App  , We got same results as fw 1.7.4
+     * Looking max BW of this app, we tested , Selecting OOK type 145026 with CLK 455K and max DEV. 150k,
+     * and we got BW +-2Mhz , with that TX LPF 1M75, it is fine.*/
    transmitter_model.enable();

    baseband::set_ook_data(
@@ -185,6 +185,7 @@ class EncodersView : public View {
    };

    TxRadioState radio_state_{
+        433920000 /* frequency */,
        1750000 /* bandwidth */,
        OOK_SAMPLERATE /* sampling rate */
    };
@@ -40,6 +40,7 @@ IQTrimView::IQTrimView(NavigationView& nav)
        &text_samples,
        &text_max,
        &field_cutoff,
+        &field_amplify,
        &button_trim,
    });

@@ -72,6 +73,11 @@ IQTrimView::IQTrimView(NavigationView& nav)
        refresh_ui();
    };

+    field_amplify.set_value(1);  // 1X is default (no amplification)
+    field_amplify.on_change = [this](int32_t) {
+        refresh_ui();
+    };
+
    button_trim.on_select = [this](Button&) {
        if (trim_capture()) {
            profile_capture();
@@ -133,7 +139,18 @@ void IQTrimView::focus() {
 void IQTrimView::refresh_ui() {
    field_path.set_text(path_.filename().string());
    text_samples.set(to_string_dec_uint(info_->sample_count));
-    text_max.set(to_string_dec_uint(info_->max_power));
+
+    // show max power after amplification applied
+    uint64_t power_amp = field_amplify.value() * field_amplify.value() * field_amplify.value() * field_amplify.value();
+    text_max.set(to_string_dec_uint(info_->max_power * power_amp));
+
+    // show max power in red if amplification is too high, causing clipping
+    uint32_t clipping_limit = (fs::capture_file_sample_size(path_) == sizeof(complex8_t)) ? 0x80 : 0x8000;
+    if ((field_amplify.value() * info_->max_iq) > clipping_limit)
+        text_max.set_style(&Styles::red);
+    else
+        text_max.set_style(&Styles::light_grey);
+
    set_dirty();
 }

@@ -191,7 +208,7 @@ bool IQTrimView::trim_capture() {
    }

    progress_ui.show_trimming();
-    trimmed = iq::trim_capture_with_range(path_, trim_range, progress_ui.get_callback());
+    trimmed = iq::trim_capture_with_range(path_, trim_range, progress_ui.get_callback(), field_amplify.value());
    progress_ui.clear();

    if (!trimmed)
@@ -107,6 +107,8 @@ class IQTrimView : public View {
        {{0 * 8, 9 * 16}, "Max Pwr:", Color::light_grey()},
        {{0 * 8, 10 * 16}, "Cutoff :", Color::light_grey()},
        {{12 * 8, 10 * 16}, "%", Color::light_grey()},
+        {{0 * 8, 12 * 16}, "Amplify:", Color::light_grey()},
+        {{10 * 8, 12 * 16}, "x", Color::light_grey()},
    };

    TextField field_path{
@@ -135,7 +137,7 @@ class IQTrimView : public View {
        "0"};

    Text text_max{
-        {9 * 8, 9 * 16, 10 * 8, 1 * 16},
+        {9 * 8, 9 * 16, 20 * 8, 1 * 16},
        "0"};

    NumberField field_cutoff{
@@ -145,6 +147,13 @@ class IQTrimView : public View {
        1,
        ' '};

+    NumberField field_amplify{
+        {9 * 8, 12 * 16},
+        1,
+        {1, 9},
+        1,
+        ' '};
+
    Button button_trim{
        {20 * 8, 16 * 16, 8 * 8, 2 * 16},
        "Trim"};
@@ -101,6 +101,7 @@ class JammerView : public View {
   private:
    NavigationView& nav_;
    TxRadioState radio_state_{
+        0 /* frequency */,
        3500000 /* bandwidth */,
        3072000 /* sampling rate */
    };
@@ -222,8 +222,6 @@ KeyfobView::KeyfobView(

    options_make.set_selected_index(0);

-    transmitter_model.set_target_frequency(433920000);  // Fixed 433.92MHz
-
    tx_view.on_edit_frequency = [this, &nav]() {
        auto new_view = nav.push<FrequencyKeypadView>(transmitter_model.target_frequency());
        new_view->on_changed = [this](rf::Frequency f) {
@@ -44,6 +44,7 @@ class KeyfobView : public View {
    NavigationView& nav_;

    TxRadioState radio_state_{
+        433920000 /* frequency */,
        1750000 /* bandwidth */,
        OOK_SAMPLERATE /* sampling rate */
    };
@@ -127,6 +127,8 @@ void LCRView::start_tx(const bool scan) {

    modems::generate_data(lcr::generate_message(rgsb, litterals_list, options_ec.selected_index()), lcr_message_data);

+    /* It is AFSK modulation , measuring original fw 1.7.4 spectrum BW is just around 30khz , NBFM */
+    transmitter_model.set_baseband_bandwidth(1'750'000);  // Min TX LPF 1M75, same spectrum as previous fw 1.7.4
    transmitter_model.enable();

    memcpy(shared_memory.bb_data.data, lcr_message_data, sizeof(lcr_message_data));
@@ -82,6 +82,7 @@ class LCRView : public View {
    };

    TxRadioState radio_state_{
+        0 /* frequency */,
        1750000 /* bandwidth */,
        AFSK_TX_SAMPLERATE /* sampling rate */
    };
@@ -101,8 +101,11 @@ void MicTXView::set_tx(bool enable) {
            transmitting = false;
            configure_baseband();
            transmitter_model.disable();
-            if (rx_enabled)     // If audio RX is enabled and we've been transmitting
-                rxaudio(true);  // Turn back on audio RX
+            if (rx_enabled) {          // If audio RX is enabled and we've been transmitting
+                rxaudio(true);         // Turn back on audio RX
+                vumeter.set_value(0);  // Reset  vumeter
+                vumeter.dirty();       // Force to refresh vumeter.
+            }
        }
    }
 }
@@ -183,7 +186,7 @@ void MicTXView::rxaudio(bool is_on) {

        baseband::run_image(portapack::spi_flash::image_tag_mic_tx);
        audio::output::stop();
-        audio::input::start(ak4951_alc_and_wm8731_boost_GUI);  // When detected AK4951 => set up ALC mode; when detected WM8731 => set up mic_boost ON/OFF.
+        audio::input::start(ak4951_alc_and_wm8731_boost_GUI, mic_to_HP_enabled);  // set up ALC mode (AK4951) or set up mic_boost ON/OFF (WM8731). and the check box "Hear Mic"
        portapack::pin_i2s0_rx_sda.mode(3);
        configure_baseband();
    }
@@ -215,6 +218,7 @@ MicTXView::MicTXView(
                      &field_frequency,
                      &options_tone_key,
                      &check_rogerbeep,
+                      &check_mic_to_HP,          // check box to activate "hear mic"
                      &check_common_freq_tx_rx,  // added to handle common or separate freq- TX/RX
                      &check_rxactive,
                      &field_volume,
@@ -242,6 +246,7 @@ MicTXView::MicTXView(
                      &field_frequency,
                      &options_tone_key,
                      &check_rogerbeep,
+                      &check_mic_to_HP,          // check box to activate "hear mic"
                      &check_common_freq_tx_rx,  // added to handle common or separate freq- TX/RX
                      &check_rxactive,
                      &field_volume,
@@ -285,17 +290,17 @@ MicTXView::MicTXView(
                    shift_bits_s16 = 6;  // -08 dB’s respect ref level, (when +20dB's boost OFF)
                    break;               // now mic-boost off (+00dBs) shift bits (6) (+0+12dB's)=12 dBs => -08dB's respect ref.
            }
-            ak4951_alc_and_wm8731_boost_GUI = v;                   // 0..4, WM8731_boost dB's options, (combination boost on/off, and effective gain in captured data >>x)
-            audio::input::start(ak4951_alc_and_wm8731_boost_GUI);  // Detected (WM8731), set up the proper wm_boost on/off, 0..4 (0,1) boost_on, (2,3,4) boost_off
-            configure_baseband();                                  // to update in real time, sending msg, var-parameters >>shift_bits FM msg, to audio_tx from M0 to M4 Proc -
+            ak4951_alc_and_wm8731_boost_GUI = v;                                      // 0..4, WM8731_boost dB's options, (combination boost on/off, and effective gain in captured data >>x)
+            audio::input::start(ak4951_alc_and_wm8731_boost_GUI, mic_to_HP_enabled);  // Detected (WM8731), set up the proper wm_boost on/off, 0..4 (0,1) boost_on, (2,3,4) boost_off,and the check box "Hear Mic"
+            configure_baseband();                                                     // to update in real time, sending msg, var-parameters >>shift_bits FM msg, to audio_tx from M0 to M4 Proc -
        };
        options_wm8731_boost_mode.set_selected_index(3);  // preset GUI index 3 as default WM -> -02 dB's.
    } else {
        shift_bits_s16 = 8;  // Initialized default fixed >>8_FM for FM tx mod, shift audio data for AK4951, using top 8 bits s16 data (>>8)
        options_ak4951_alc_mode.on_change = [this](size_t, int8_t v) {
-            ak4951_alc_and_wm8731_boost_GUI = v;                   // 0..11, AK4951 Mic -Automatic volume Level Control options,
-            audio::input::start(ak4951_alc_and_wm8731_boost_GUI);  // Detected (AK4951) ==> Set up proper ALC mode from 0..11 options
-            configure_baseband();                                  // sending fixed >>8_FM, var-parameters msg, to audiotx from this M0 to M4 process.
+            ak4951_alc_and_wm8731_boost_GUI = v;                                      // 0..11, AK4951 Mic -Automatic volume Level Control options,
+            audio::input::start(ak4951_alc_and_wm8731_boost_GUI, mic_to_HP_enabled);  // Detected (AK4951) ==> Set up proper ALC mode from 0..11 options, and the check box "Hear Mic"
+            configure_baseband();                                                     // sending fixed >>8_FM, var-parameters msg, to audiotx from this M0 to M4 process.
        };
    }

@@ -475,6 +480,20 @@ MicTXView::MicTXView(
        rogerbeep_enabled = v;
    };

+    check_mic_to_HP.on_select = [this](Checkbox&, bool v) {
+        mic_to_HP_enabled = v;
+        if (mic_to_HP_enabled)
+            audio::input::loopback_mic_to_hp_enable();
+        else
+            audio::input::loopback_mic_to_hp_disable();
+        if (mic_to_HP_enabled) {  // When user click to "hear mic to HP", we will select the higher acoustic sound Option MODE  ALC or BOOST-
+            if (audio::debug::codec_name() == "WM8731") {
+                options_wm8731_boost_mode.set_selected_index(0);  // In WM we always go to Boost +12 dB’s respect reference level
+            } else if (ak4951_alc_and_wm8731_boost_GUI == 0)      // In AK we are changing only that ALC index =0, because in that option, there is no sound.
+                options_ak4951_alc_mode.set_selected_index(1);    // alc_mode =0 , means no ALC,no DIGITAL filter block (by passed), and that mode has no loopback mode.
+        }
+    };
+
    check_common_freq_tx_rx.on_select = [this](Checkbox&, bool v) {
        bool_same_F_tx_rx_enabled = v;
        field_rxfrequency.hidden(v);                                           // Hide or show separated freq RX field. (When no hide user can enter down indep. freq for RX)
@@ -501,8 +520,12 @@ MicTXView::MicTXView(
    check_rxactive.on_select = [this](Checkbox&, bool v) {
        //		vumeter.set_value(0);	//Start with a clean vumeter
        rx_enabled = v;
+        check_mic_to_HP.hidden(rx_enabled);  // Togle Hide / show "Hear Mic" checkbox depending if we activate or not the receiver. (if RX on => no visible "Mic Hear" option)
+        if ((rx_enabled) && (transmitting))
+            check_mic_to_HP.set_value(transmitting);  // Once we activate the "Rx audio" in reception time we disable "Hear Mic", but we allow it again in TX time.
+
        //		check_va.hidden(v); 	//Hide or show voice activation
-        rxaudio(v);   // Activate-Deactivate audio rx accordingly
+        rxaudio(v);   // Activate-Deactivate audio RX (receiver) accordingly
        set_dirty();  // Refresh interface
    };

@@ -602,7 +625,7 @@ MicTXView::MicTXView(
    set_tx(false);

    audio::set_rate(audio::Rate::Hz_24000);
-    audio::input::start(ak4951_alc_and_wm8731_boost_GUI);  // When detected AK4951 => set up ALC mode; when detected WM8731 => set up mic_boost ON/OFF.
+    audio::input::start(ak4951_alc_and_wm8731_boost_GUI, mic_to_HP_enabled);  // set up ALC mode (AK4951) or set up mic_boost ON/OFF (WM8731). and the check box "Hear Mic"
 }

 MicTXView::MicTXView(
@@ -639,8 +662,10 @@ MicTXView::~MicTXView() {
    audio::input::stop();
    transmitter_model.set_target_frequency(tx_frequency);
    transmitter_model.disable();
-    if (rx_enabled)  // Also turn off audio rx if enabled
+    if (rx_enabled) {  // Also turn off both (audio rx if enabled, and disable  mic_loop to HP)
        rxaudio(false);
+        audio::input::loopback_mic_to_hp_disable();  // Leave Mic audio off in the main menu (as original audio path, otherwise we had No audio in next "Audio App")
+    }
    baseband::shutdown();
 }

@@ -82,6 +82,7 @@ class MicTXView : public View {

    RxRadioState rx_radio_state_{};
    TxRadioState tx_radio_state_{
+        0 /* frequency */,
        1750000 /* bandwidth */,
        sampling_rate /* sampling rate */
    };
@@ -93,6 +94,7 @@ class MicTXView : public View {
    bool va_enabled{false};
    bool ptt_enabled{true};
    bool rogerbeep_enabled{false};
+    bool mic_to_HP_enabled{false};
    bool bool_same_F_tx_rx_enabled{false};
    bool rx_enabled{false};
    uint32_t tone_key_index{};
@@ -276,6 +278,12 @@ class MicTXView : public View {
        "Roger beep",
        false};

+    Checkbox check_mic_to_HP{
+        {18 * 8, (14 * 8) + 4},
+        10,
+        "Hear Mic",
+        false};
+
    Checkbox check_rxactive{
        {3 * 8, (21 * 8) - 7},
        8,  // it was 18, but if it is string size should be 8
@@ -117,6 +117,8 @@ bool MorseView::start_tx() {
    }

    progressbar.set_max(symbol_count);
+    // By experimental spectrum measurment, we left exactly same TX LPF settings as previous fw 1.7.4,  TX LPF= 1M75 (min).
+    transmitter_model.set_baseband_bandwidth(1'750'000);  // Min TX LPF .already tested in FM morse max tone 9,999k , max dev 150khz
    transmitter_model.enable();

    if (modulation == CW) {
@@ -70,6 +70,7 @@ class MorseView : public View {
    uint32_t time_units{0};

    TxRadioState radio_state_{
+        0 /* frequency */,
        1750000 /* bandwidth */,
        1536000 /* sampling rate */
    };
@@ -54,7 +54,6 @@ NRFRxView::NRFRxView(NavigationView& nav)
                  &console});

    // Auto-configure modem for LCR RX (will be removed later)
-    field_frequency.set_value(2480000000);
    auto def_bell202 = &modem_defs[0];
    persistent_memory::set_modem_baudrate(def_bell202->baudrate);
    serial_format_t serial_format;
@@ -50,6 +50,7 @@ class NRFRxView : public View {

    NavigationView& nav_;
    RxRadioState radio_state_{
+        2480000000 /* frequency */,
        4000000 /* bandwidth */,
        4000000 /* sampling rate */,
        ReceiverModel::Mode::WidebandFMAudio};
@@ -56,6 +56,7 @@ class NumbersStationView : public View {
    NavigationView& nav_;

    TxRadioState radio_state_{
+        0 /* frequency */,
        1750000 /* bandwidth */,
        1536000 /* sampling rate */
    };
@@ -56,6 +56,7 @@ class NuoptixView : public View {
    };

    TxRadioState radio_state_{
+        0 /* frequency */,
        1750000 /* bandwidth */,
        1536000 /* sampling rate */
    };
@@ -81,6 +81,8 @@ bool POCSAGTXView::start_tx() {

    transmitter_model.set_rf_amp(true);
    transmitter_model.set_tx_gain(40);
+    // We left exactly same TX LPF settings as previous fw 1.7.4,  TX LPF= 1M75 (min). It is fine even in max FM dev. 150khz and 2400 bauds.
+    transmitter_model.set_baseband_bandwidth(1'750'000);  // Min TX LPF . Pocsag is NBFM , using BW channel 25khz or 12khz
    transmitter_model.enable();

    uint8_t* data_ptr = shared_memory.bb_data.data;
@@ -60,6 +60,7 @@ class POCSAGTXView : public View {
    NavigationView& nav_;

    TxRadioState radio_state_{
+        466175000 /* frequency */,
        1750000 /* bandwidth */,
        2280000 /* sampling rate */
    };
@@ -187,7 +187,6 @@ void RDSView::start_tx() {
    else
        frame_datetime.clear();

-    transmitter_model.set_baseband_bandwidth(1'750'000);  // Big Spectrum harmonics reduction, and now quicker decoding time.
    transmitter_model.enable();

    tx_thread = std::make_unique<RDSThread>(frames);
@@ -142,6 +142,7 @@ class RDSView : public View {
    RDS_flags rds_flags{};

    TxRadioState radio_state_{
+        0 /* frequency */,
        1750000 /* bandwidth */,
        2280000 /* sampling rate */
    };
@@ -90,6 +90,7 @@ class SearchView : public View {
   private:
    NavigationView& nav_;
    RxRadioState radio_state_{
+        100'000'000 /* frequency */,
        2500000 /* bandwidth */,
        SEARCH_SLICE_WIDTH /* sampling rate */,
        ReceiverModel::Mode::SpectrumAnalysis};
@@ -343,34 +343,6 @@ void SetUIView::focus() {
    button_save.focus();
 }

-/* SetAppSettingsView ************************************/
-
-SetAppSettingsView::SetAppSettingsView(NavigationView& nav) {
-    add_children({
-        &labels,
-        &checkbox_load_app_settings,
-        &checkbox_save_app_settings,
-        &button_save,
-        &button_cancel,
-    });
-
-    checkbox_load_app_settings.set_value(pmem::load_app_settings());
-    checkbox_save_app_settings.set_value(pmem::save_app_settings());
-
-    button_save.on_select = [&nav, this](Button&) {
-        pmem::set_load_app_settings(checkbox_load_app_settings.value());
-        pmem::set_save_app_settings(checkbox_save_app_settings.value());
-        nav.pop();
-    };
-    button_cancel.on_select = [&nav, this](Button&) {
-        nav.pop();
-    };
-}
-
-void SetAppSettingsView::focus() {
-    button_save.focus();
-}
-
 /* SetConverterSettingsView ******************************/

 SetConverterSettingsView::SetConverterSettingsView(NavigationView& nav) {
@@ -654,7 +626,6 @@ SettingsMenuView::SettingsMenuView(NavigationView& nav) {
        add_items({{"..", ui::Color::light_grey(), &bitmap_icon_previous, [&nav]() { nav.pop(); }}});
    }
    add_items({
-        {"App Settings", ui::Color::dark_cyan(), &bitmap_icon_setup, [&nav]() { nav.push<SetAppSettingsView>(); }},
        {"Audio", ui::Color::dark_cyan(), &bitmap_icon_speaker, [&nav]() { nav.push<SetAudioView>(); }},
        {"Calibration", ui::Color::dark_cyan(), &bitmap_icon_options_touch, [&nav]() { nav.push<TouchCalibrationView>(); }},
        {"Converter", ui::Color::dark_cyan(), &bitmap_icon_options_radio, [&nav]() { nav.push<SetConverterSettingsView>(); }},
@@ -310,41 +310,6 @@ class SetUIView : public View {
    };
 };

-class SetAppSettingsView : public View {
-   public:
-    SetAppSettingsView(NavigationView& nav);
-
-    void focus() override;
-    std::string title() const override { return "App Settings"; };
-
-   private:
-    Labels labels{
-        {{1 * 8, 1 * 16}, "App settings are saved to", Color::light_grey()},
-        {{1 * 8, 2 * 16}, "the SD card in /SETTINGS.", Color::light_grey()},
-        {{1 * 8, 3 * 16}, "Radio settings may also be", Color::light_grey()},
-        {{1 * 8, 4 * 16}, "loaded or saved per app.", Color::light_grey()},
-    };
-
-    Checkbox checkbox_load_app_settings{
-        {3 * 8, 6 * 16},
-        25,
-        "Load radio settings"};
-
-    Checkbox checkbox_save_app_settings{
-        {3 * 8, 8 * 16},
-        25,
-        "Save radio settings"};
-
-    Button button_save{
-        {2 * 8, 16 * 16, 12 * 8, 32},
-        "Save"};
-
-    Button button_cancel{
-        {16 * 8, 16 * 16, 12 * 8, 32},
-        "Cancel",
-    };
-};
-
 class SetConverterSettingsView : public View {
   public:
    SetConverterSettingsView(NavigationView& nav);
@@ -51,6 +51,7 @@ class SigGenView : public View {
    void on_tx_progress(const uint32_t progress, const bool done);

    TxRadioState radio_state_{
+        0 /* frequency */,
        1750000 /* bandwidth */,
        1536000 /* sampling rate */
    };
@@ -66,9 +66,6 @@ SondeView::SondeView(NavigationView& nav)
                  &button_see_qr,
                  &button_see_map});

-    if (!settings_.radio_loaded())
-        field_frequency.set_value(initial_target_frequency);
-
    field_frequency.set_step(500);  // euquiq: was 10000, but we are using this for fine-tunning

    geopos.set_read_only(true);
@@ -68,6 +68,7 @@ class SondeView : public View {
   private:
    NavigationView& nav_;
    RxRadioState radio_state_{
+        402700000 /* frequency */,
        1750000 /* bandwidth */,
        2457600 /* sampling rate */
    };
@@ -75,7 +76,6 @@ class SondeView : public View {
        "rx_sonde", app_settings::Mode::RX};

    std::unique_ptr<SondeLogger> logger{};
-    uint32_t target_frequency_{402700000};
    bool logging{false};
    bool use_crc{false};
    bool beep{false};
@@ -85,7 +85,11 @@ SpectrumPainterView::SpectrumPainterView(

            if (tx_mode == 0 && image_input_avaliable == false)
                return;
-
+            /* By experimental test measurement, we got a good painted spectrum quality when selecting
+            a BW GUI App range from 100k ... 2M aprox. In that range , the best TX LPF filter = 1M75 (the min)
+            With this min TX LPF filter , we minimized the harmonics aliasing multipicture overlapped.
+            So original fw 1.7.4., was already selecting the best setting (1M75)  */
+            transmitter_model.set_baseband_bandwidth(1'750'000);  // Already tested, is the best setting for this App.
            transmitter_model.enable();

            if (persistent_memory::stealth_mode()) {
@@ -160,6 +160,7 @@ void SSTVTXView::start_tx() {
    scanline_counter = 0;
    prepare_scanline();  // Preload one scanline

+    transmitter_model.set_baseband_bandwidth(1'750'000);  // Min TX LPF 1M75, same spectrum as previous fw 1.7.4
    transmitter_model.enable();

    baseband::set_sstv_data(
@@ -62,6 +62,7 @@ class TestView : public View {
   private:
    NavigationView& nav_;
    RxRadioState radio_state_{
+        0 /* frequency */,
        1750000 /* bandwidth */,
        2457600 * 2 /* sampling rate */
    };
@@ -85,7 +85,6 @@ void TouchTunesView::on_tx_progress(const uint32_t progress, const bool done) {
 // transmission events.
 void TouchTunesView::start_ew() {
    // Radio
-    transmitter_model.set_target_frequency(433920000);
    transmitter_model.set_rf_amp(true);
    transmitter_model.set_tx_gain(47);
    transmitter_model.enable();
@@ -151,10 +150,7 @@ void TouchTunesView::start_tx(const uint32_t button_index) {

    size_t bitstream_length = make_bitstream(fragments);

-    transmitter_model.set_target_frequency(433920000);
-    transmitter_model.set_sampling_rate(OOK_SAMPLERATE);
    transmitter_model.set_rf_amp(true);
-    transmitter_model.set_baseband_bandwidth(1750000);
    transmitter_model.enable();

    baseband::set_ook_data(
@@ -25,6 +25,7 @@
 #include "ui_transmitter.hpp"
 #include "transmitter_model.hpp"
 #include "radio_state.hpp"
+#include "encoders.hpp"

 // The coding in notpike's script is quite complex, using multiple LUTs to form the data sent to the YSO.
 // The format is actually very simple if it is rather seen as short and long gaps between pulses (as seen in many OOK remotes).
@@ -115,8 +116,9 @@ class TouchTunesView : public View {

   private:
    TxRadioState radio_state_{
-        3500000 /* bandwidth */,
-        3072000 /* sampling rate */
+        433920000 /* frequency */,
+        1750000 /* bandwidth */,
+        OOK_SAMPLERATE /* sampling rate */
    };

    uint32_t scan_button_index{};
@@ -198,8 +198,8 @@ void update_audio_mute() {

 namespace input {

-void start(int8_t alc_mode) {
-    audio_codec->microphone_enable(alc_mode);  // added user-GUI selection for AK4951, ALC mode parameter.
+void start(int8_t alc_mode, bool mic_to_HP_enabled) {
+    audio_codec->microphone_enable(alc_mode, mic_to_HP_enabled);  // added user-GUI selection for AK4951, ALC mode parameter. and the check box "Hear Mic"
    i2s::i2s0::rx_start();
 }

@@ -208,6 +208,14 @@ void stop() {
    audio_codec->microphone_disable();
 }

+void loopback_mic_to_hp_enable() {
+    audio_codec->microphone_to_HP_enable();
+}
+
+void loopback_mic_to_hp_disable() {
+    audio_codec->microphone_to_HP_disable();
+}
+
 } /* namespace input */

 namespace headphone {
@@ -50,9 +50,12 @@ class Codec {
    virtual volume_range_t headphone_gain_range() const = 0;
    virtual void set_headphone_volume(const volume_t volume) = 0;

-    virtual void microphone_enable(int8_t alc_mode) = 0;  // added user-GUI  AK4951 ,selected ALC mode.
+    virtual void microphone_enable(int8_t alc_mode, bool mic_to_HP_enabled) = 0;  // added user-GUI  AK4951 ,selected ALC mode.
    virtual void microphone_disable() = 0;

+    virtual void microphone_to_HP_enable() = 0;
+    virtual void microphone_to_HP_disable() = 0;
+
    virtual size_t reg_count() const = 0;
    virtual size_t reg_bits() const = 0;
    virtual uint32_t reg_read(const size_t register_number) = 0;
@@ -76,9 +79,12 @@ void update_audio_mute();

 namespace input {

-void start(int8_t alc_mode);  // added parameter user-GUI select AK4951-ALC mode for config mic path,(recording mode in datasheet),
+void start(int8_t alc_mode, bool mic_to_HP_enabled);  // added parameters -GUI select AK4951-ALC mode for config mic path,(recording mode),and the check box "Hear Mic"
 void stop();

+void loopback_mic_to_hp_enable();
+void loopback_mic_to_hp_disable();
+
 } /* namespace input */

 namespace headphone {
@@ -57,6 +57,9 @@ uint32_t fault_address{0};
 void draw_guru_meditation_header(uint8_t source, const char* hint) {
    Painter painter;

+    // disable scroll in case a waterfall/spectrum display was active (scroll would mess up the fault display)
+    portapack::display.scroll_disable();
+
    painter.fill_rectangle(
        {0, 0, portapack::display.width(), portapack::display.height()},
        Color::red());
@@ -134,6 +137,10 @@ void runtime_error(uint8_t source) {

    led.off();

+    // wait for DFU button release if pressed, so we don't immediately jump into stack dump
+    while (swizzled_switches() & (1 << (int)Switch::Dfu))
+        ;
+
    while (true) {
        volatile size_t n = 1000000U;
        while (n--)
@@ -243,10 +250,6 @@ void draw_stack_dump() {
                    p = &__process_stack_base__;
                break;
            }
-
-            // If SEL button pressed, try writing to file (likely to hang in fault condition but heh)
-            if (switches & (1 << (int)Switch::Sel))
-                stack_dump();
        }

        // clear screen to allow new range to be displayed, if we're not at the end
@@ -11,10 +11,15 @@ set(EXTCPPSRC
 	#calculator
 	external/calculator/main.cpp
 	external/calculator/ui_calculator.cpp
+
+	#font_viewer
+	external/font_viewer/main.cpp
+	external/font_viewer/ui_font_viewer.cpp
 )

 set(EXTAPPLIST
 	pacman
 	afsk_rx
 	calculator
+	font_viewer
 )
@@ -20,6 +20,7 @@ MEMORY
    ram_external_app_pacman     (rwx) : org = 0xEEE90000, len = 32k
    ram_external_app_afsk_rx    (rwx) : org = 0xEEEA0000, len = 32k
    ram_external_app_calculator (rwx) : org = 0xEEEB0000, len = 32k
+    ram_external_app_font_viewer(rwx) : org = 0xEEEC0000, len = 32k
 }

 SECTIONS
@@ -41,4 +42,10 @@ SECTIONS
        KEEP(*(.external_app.app_calculator.application_information));
        *(*ui*external_app*calculator*);
    } > ram_external_app_calculator
+
+    .external_app_font_viewer : ALIGN(4) SUBALIGN(4)
+    {
+        KEEP(*(.external_app.app_font_viewer.application_information));
+        *(*ui*external_app*font_viewer*);
+    } > ram_external_app_font_viewer
 }
@@ -0,0 +1,82 @@
+/*
+ * Copyright (C) 2023 Mark Thompson
+ *
+ * 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_font_viewer.hpp"
+#include "ui_navigation.hpp"
+#include "external_app.hpp"
+
+namespace ui::external_app::font_viewer {
+void initialize_app(ui::NavigationView& nav) {
+    nav.push<DebugFontsView>();
+}
+}  // namespace ui::external_app::font_viewer
+
+extern "C" {
+
+__attribute__((section(".external_app.app_font_viewer.application_information"), used)) application_information_t _application_information_font_viewer = {
+    /*.memory_location = */ (uint8_t*)0x00000000,
+    /*.externalAppEntry = */ ui::external_app::font_viewer::initialize_app,
+    /*.header_version = */ CURRENT_HEADER_VERSION,
+    /*.app_version = */ VERSION_MD5,
+
+    /*.app_name = */ "Font Viewer",
+    /*.bitmap_data = */ {
+        0x00,
+        0x00,
+        0x00,
+        0x00,
+        0x10,
+        0x0C,
+        0x38,
+        0x0C,
+        0x38,
+        0x0C,
+        0x6C,
+        0x0C,
+        0x6C,
+        0x0C,
+        0xC6,
+        0x7C,
+        0xFE,
+        0xFC,
+        0xFF,
+        0x8D,
+        0x83,
+        0x8D,
+        0x83,
+        0xFD,
+        0x01,
+        0x7D,
+        0x00,
+        0x00,
+        0x00,
+        0x00,
+        0x00,
+        0x00,
+    },
+    /*.icon_color = */ ui::Color::cyan().v,
+    /*.menu_location = */ app_location_t::DEBUG,
+
+    /*.m4_app_tag = portapack::spi_flash::image_tag_noop */ {'\0', '\0', '\0', '\0'},
+    /*.m4_app_offset = */ 0x00000000,  // will be filled at compile time
+};
+}
@@ -0,0 +1,69 @@
+/*
+ * Copyright (C) 2023 Mark Thompson
+ *
+ * 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_font_viewer.hpp"
+
+#include "ui_font_fixed_8x16.hpp"
+#include "ui_styles.hpp"
+#include "ui_painter.hpp"
+
+#include "portapack.hpp"
+using namespace portapack;
+using namespace ui;
+
+namespace ui::external_app::font_viewer {
+
+/* DebugFontsView *******************************************************/
+
+uint16_t DebugFontsView::display_font(Painter& painter, uint16_t y_offset, const Style* font_style, std::string_view font_name) {
+    auto char_width{font_style->font.char_width()};
+    auto char_height{font_style->font.line_height()};
+    auto cpl{((screen_width / char_width) - 6) & 0xF8};  // Display a multiple of 8 characters per line
+    uint16_t line_pos{y_offset};
+
+    painter.draw_string({0, y_offset}, *font_style, font_name);
+
+    // Displaying ASCII+extended characters from 0x20 to 0xFF
+    for (uint8_t c = 0; c <= 0xDF; c++) {
+        line_pos = y_offset + ((c / cpl) + 2) * char_height;
+
+        if ((c % cpl) == 0)
+            painter.draw_string({0, line_pos}, *font_style, "Ox" + to_string_hex(c + 0x20, 2));
+
+        painter.draw_char({((c % cpl) + 5) * char_width, line_pos}, *font_style, (char)(c + 0x20));
+    }
+
+    return line_pos + char_height;
+}
+
+void DebugFontsView::paint(Painter& painter) {
+    int16_t line_pos;
+
+    line_pos = display_font(painter, 32, &Styles::white, "Fixed 8x16");
+    display_font(painter, line_pos + 16, &Styles::white_small, "Fixed 5x8");
+}
+
+DebugFontsView::DebugFontsView(NavigationView& nav)
+    : nav_{nav} {
+    set_focusable(true);
+}
+
+} /* namespace ui::external_app::font_viewer */
@@ -0,0 +1,51 @@
+/*
+ * Copyright (C) 2023 Mark Thompson
+ *
+ * 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 __UI_DEBUG_H__
+#define __UI_DEBUG_H__
+
+#include "ui.hpp"
+#include "ui_widget.hpp"
+#include "ui_painter.hpp"
+#include "ui_menu.hpp"
+#include "ui_navigation.hpp"
+
+#include <functional>
+#include <utility>
+
+using namespace ui;
+
+namespace ui::external_app::font_viewer {
+
+class DebugFontsView : public View {
+   public:
+    DebugFontsView(NavigationView& nav);
+    void paint(Painter& painter) override;
+    std::string title() const override { return "Fonts"; };
+
+   private:
+    uint16_t display_font(Painter& painter, uint16_t y_offset, const Style* font_style, std::string_view font_name);
+    NavigationView& nav_;
+};
+
+} /* namespace ui::external_app::font_viewer */
+
+#endif /*__UI_FONT_VIEWER_H__*/
@@ -36,6 +36,13 @@ uint32_t power(T value) {
    return (real * real) + (imag * imag);
 }

+template <typename T>
+uint32_t iq_max(T value) {
+    auto real = abs(value.real());
+    auto imag = abs(value.imag());
+    return (real > imag) ? real : imag;
+}
+
 /* Collects capture file metadata and sample power buckets. */
 template <typename T>
 Optional<CaptureInfo> profile_capture(
@@ -51,7 +58,8 @@ Optional<CaptureInfo> profile_capture(
        .file_size = f.size(),
        .sample_count = f.size() / sizeof(T),
        .sample_size = sizeof(T),
-        .max_power = 0};
+        .max_power = 0,
+        .max_iq = 0};

    auto profile_samples = buckets.size * samples_per_bucket;
    auto sample_interval = info.sample_count / profile_samples;
@@ -67,8 +75,11 @@ Optional<CaptureInfo> profile_capture(
        if (*result != info.sample_size)
            break;  // EOF

-        auto mag_squared = power(value);
+        auto max_iq = iq_max(value);
+        if (max_iq > info.max_iq)
+            info.max_iq = max_iq;

+        auto mag_squared = power(value);
        if (mag_squared > info.max_power)
            info.max_power = mag_squared;

@@ -133,13 +144,50 @@ TrimRange compute_trim_range(
        info.sample_size};
 }

+void amplify_iq_buffer(uint8_t* buffer, uint32_t length, uint32_t amplification, uint8_t sample_size) {
+    uint32_t mult_count = length / sample_size / 2;
+
+    switch (sample_size) {
+        case sizeof(complex16_t): {
+            int16_t* buf_ptr = (int16_t*)buffer;
+            for (uint32_t i = 0; i < mult_count; i++) {
+                int32_t val = *buf_ptr * amplification;
+                if (val > 0x7FFF)
+                    val = 0x7FFF;
+                else if (val < -0x7FFF)
+                    val = -0x7FFF;
+                *buf_ptr++ = val;
+            }
+            break;
+        }
+
+        case sizeof(complex8_t): {
+            int8_t* buf_ptr = (int8_t*)buffer;
+            for (uint32_t i = 0; i < mult_count; i++) {
+                int32_t val = *buf_ptr * amplification;
+                if (val > 0x7F)
+                    val = 0x7F;
+                else if (val < -0x7F)
+                    val = -0x7F;
+                *buf_ptr++ = val;
+            }
+            break;
+        }
+
+        default:
+            break;
+    }
+}
+
 bool trim_capture_with_range(
    const fs::path& path,
    TrimRange range,
-    const std::function<void(uint8_t)>& on_progress) {
+    const std::function<void(uint8_t)>& on_progress,
+    const uint32_t amplification) {
    constexpr size_t buffer_size = std::filesystem::max_file_block_size;
    uint8_t buffer[buffer_size];
    auto temp_path = path + u"-tmp";
+    auto sample_size = fs::capture_file_sample_size(path);

    // end_sample is the first sample to _not_ include.
    auto start_byte = range.start_sample * range.sample_size;
@@ -168,6 +216,9 @@ bool trim_capture_with_range(
        auto remaining = length - processed;
        auto to_write = std::min(remaining, *result);

+        if (amplification > 1)
+            amplify_iq_buffer(buffer, to_write, amplification, sample_size);
+
        result = dst->write(buffer, to_write);
        if (result.is_error()) return false;

@@ -37,6 +37,7 @@ struct CaptureInfo {
    uint64_t sample_count;
    uint8_t sample_size;
    uint32_t max_power;
+    uint32_t max_iq;
 };

 /* Holds sample average power by bucket. */
@@ -82,11 +83,19 @@ TrimRange compute_trim_range(
    const PowerBuckets& buckets,
    uint8_t cutoff_percent);

+/* Multiplies samples in an IQ buffer by amplification value */
+void amplify_iq_buffer(
+    uint8_t* buffer,
+    uint32_t length,
+    uint32_t amplification,
+    uint8_t sample_size);
+
 /* Trims the capture file with the specified range. */
 bool trim_capture_with_range(
    const std::filesystem::path& path,
    TrimRange range,
-    const std::function<void(uint8_t)>& on_progress);
+    const std::function<void(uint8_t)>& on_progress,
+    const uint32_t amplification);

 }  // namespace iq

@@ -92,8 +92,8 @@ max2839::MAX2839 second_if_max2839{ssp1_target_max283x};
 static max5864::MAX5864 baseband_codec{ssp1_target_max5864};
 static baseband::CPLD baseband_cpld;

-// Set invalid to force the set_direction CPLD workaround to run.
-static rf::Direction direction{-1};
+// load_sram() is called at boot in portapack.cpp, including verify CPLD part, so default direction is Receive
+static rf::Direction direction{rf::Direction::Receive};
 static bool baseband_invert = false;
 static bool mixer_invert = false;

@@ -41,8 +41,10 @@ class RadioState {
        model->initialize();
    }

-    RadioState(uint32_t new_bandwidth, uint32_t new_sampling_rate) {
+    RadioState(uint32_t new_frequency, uint32_t new_bandwidth, uint32_t new_sampling_rate) {
        model->initialize();
+        if (new_frequency != 0)
+            model->set_target_frequency(new_frequency);
        model->set_sampling_rate(new_sampling_rate);
        model->set_baseband_bandwidth(new_bandwidth);
    }
@@ -61,10 +63,13 @@ class RadioState {
        typename U = TModel,
        typename Mode = std::enable_if_t<sizeof(typename U::Mode), typename U::Mode> >
    RadioState(
+        uint32_t new_frequency,
        uint32_t new_bandwidth,
        uint32_t new_sampling_rate,
        Mode new_mode) {
        model->initialize();
+        if (new_frequency != 0)
+            model->set_target_frequency(new_frequency);
        model->set_sampling_rate(new_sampling_rate);
        model->set_baseband_bandwidth(new_bandwidth);
        model->settings().mode = new_mode;
@@ -110,16 +110,18 @@ void BtnGridView::clear() {

 void BtnGridView::add_items(std::initializer_list<GridItem> new_items) {
    for (auto item : new_items) {
-        menu_items.push_back(item);
+        if (!blacklisted_app(item))
+            menu_items.push_back(item);
    }

    update_items();
 }

 void BtnGridView::add_item(GridItem new_item) {
-    menu_items.push_back(new_item);
-
-    update_items();
+    if (!blacklisted_app(new_item)) {
+        menu_items.push_back(new_item);
+        update_items();
+    }
 }

 void BtnGridView::update_items() {
@@ -232,4 +234,30 @@ bool BtnGridView::on_encoder(const EncoderEvent event) {
    return set_highlighted(highlighted_item + event);
 }

+/* BlackList ******************************************************/
+
+std::unique_ptr<char> blacklist_ptr{};
+size_t blacklist_len{};
+
+void load_blacklist() {
+    File f;
+
+    auto error = f.open(BLACKLIST);
+    if (error)
+        return;
+
+    blacklist_ptr = std::unique_ptr<char>(new char[f.size()]);
+    if (f.read(blacklist_ptr.get(), f.size()))
+        blacklist_len = f.size();
+}
+
+bool BtnGridView::blacklisted_app(GridItem new_item) {
+    std::string app_name = new_item.text;
+
+    if (blacklist_len < app_name.size())
+        return false;
+
+    return std::search(blacklist_ptr.get(), blacklist_ptr.get() + blacklist_len, app_name.begin(), app_name.end()) < blacklist_ptr.get() + blacklist_len;
+}
+
 } /* namespace ui */
@@ -36,6 +36,9 @@
 #include <string>
 #include <vector>

+// file used for listing apps to hide from menu
+#define BLACKLIST u"/SETTINGS/blacklist"
+
 namespace ui {

 struct GridItem {
@@ -47,6 +50,8 @@ struct GridItem {
    // TODO: Prevent default-constructed GridItems.
 };

+void load_blacklist();
+
 class BtnGridView : public View {
   public:
    BtnGridView(Rect new_parent_rect = {0, 0, 240, 304}, bool keep_highlight = false);
@@ -70,6 +75,7 @@ class BtnGridView : public View {
    void on_blur() override;
    bool on_key(const KeyEvent event) override;
    bool on_encoder(const EncoderEvent event) override;
+    bool blacklisted_app(GridItem new_item);

   private:
    int rows_{3};
@@ -149,7 +149,7 @@ bool GeoMap::on_encoder(const EncoderEvent delta) {
        map_zoom++;

        // Ensure that MOD(240,map_zoom)==0 for the map_zoom_line() function
-        if (240 % map_zoom != 0) {
+        if (geomap_rect_width % map_zoom != 0) {
            map_zoom--;
        }
    } else if ((delta < 0) && (map_zoom > 1)) {
@@ -171,7 +171,7 @@ void GeoMap::map_zoom_line(ui::Color* buffer) {

    // As long as MOD(width,map_zoom)==0 then we don't need to check buffer overflow case when stretching last pixel;
    // For 240 width, than means no check is needed for map_zoom values up to 6
-    for (int i = (240 / map_zoom) - 1; i >= 0; i--) {
+    for (int i = (geomap_rect_width / map_zoom) - 1; i >= 0; i--) {
        for (int j = 0; j < map_zoom; j++) {
            buffer[(i * map_zoom) + j] = buffer[i];
        }
@@ -271,24 +271,22 @@ void GeoMap::move(const float lon, const float lat) {
    lon_ = lon;
    lat_ = lat;

-    Rect map_rect = screen_rect();
-
    // Using WGS 84/Pseudo-Mercator projection
-    x_pos = map_width * (lon_ + 180) / 360 - (map_rect.width() / 2);
+    x_pos = map_width * (lon_ + 180) / 360 - (geomap_rect_width / 2);

    // Latitude calculation based on https://stackoverflow.com/a/10401734/2278659
    double lat_rad = sin(lat * pi / 180);
    y_pos = map_height - ((map_world_lon / 2 * log((1 + lat_rad) / (1 - lat_rad))) - map_offset) - 128;  // Offset added for the GUI

    // Cap position
-    if (x_pos > (map_width - map_rect.width()))
-        x_pos = map_width - map_rect.width();
-    if (y_pos > (map_height + map_rect.height()))
-        y_pos = map_height - map_rect.height();
+    if (x_pos > (map_width - geomap_rect_width))
+        x_pos = map_width - geomap_rect_width;
+    if (y_pos > (map_height + geomap_rect_height))
+        y_pos = map_height - geomap_rect_height;

    // Scale calculation
    float km_per_deg_lon = cos(lat * pi / 180) * 111.321;  // 111.321 km/deg longitude at equator, and 0 km at poles
-    pixels_per_km = (map_rect.width() / 2) / km_per_deg_lon;
+    pixels_per_km = (geomap_rect_width / 2) / km_per_deg_lon;
 }

 bool GeoMap::init() {
@@ -391,11 +389,10 @@ MapMarkerStored GeoMap::store_marker(GeoMarker& marker) {

    // Check if it could be on screen
    // Only checking one direction to reduce CPU
-    const auto r = screen_rect();
    double lat_rad = sin(marker.lat * pi / 180);
    int x = (map_width * (marker.lon + 180) / 360) - x_pos;
    int y = (map_height - ((map_world_lon / 2 * log((1 + lat_rad) / (1 - lat_rad))) - map_offset)) - y_pos;  // Offset added for the GUI
-    if (false == ((x >= 0) && (x < r.width()) && (y > 10) && (y < r.height())))                              // Dont draw within symbol size of top
+    if (false == ((x >= 0) && (x < geomap_rect_width) && (y > 10) && (y < geomap_rect_height)))              // Dont draw within symbol size of top
    {
        ret = MARKER_NOT_STORED;
    } else if (markerListLen < NumMarkerListElements) {
@@ -178,6 +178,10 @@ class GeoMap : public Widget {
    void clear_markers();
    MapMarkerStored store_marker(GeoMarker& marker);

+    static const Dim banner_height = 3 * 16;
+    static const Dim geomap_rect_width = 240;
+    static const Dim geomap_rect_height = 320 - 16 - banner_height;
+
   private:
    void draw_scale(Painter& painter);
    void draw_bearing(const Point origin, const uint16_t angle, uint32_t size, const Color color);
@@ -250,8 +254,6 @@ class GeoMapView : public View {
    void setup();

    const std::function<void(int32_t, float, float)> on_done{};
-
-    const Dim banner_height = 3 * 16;
    GeoMapMode mode_{};
    int32_t altitude_{};
    GeoPos::alt_unit altitude_unit_{};
@@ -267,7 +269,7 @@ class GeoMapView : public View {
        altitude_unit_};

    GeoMap geomap{
-        {0, banner_height, 240, 320 - 16 - banner_height}};
+        {0, GeoMap::banner_height, GeoMap::geomap_rect_width, GeoMap::geomap_rect_height}};

    Button button_ok{
        {20 * 8, 8, 8 * 8, 2 * 16},
@@ -161,6 +161,8 @@ SystemStatusView::SystemStatusView(

    rtc_battery_workaround();

+    ui::load_blacklist();
+
    if (pmem::should_use_sdcard_for_pmem()) {
        pmem::load_persistent_settings_from_file();
    }
@@ -393,6 +395,7 @@ void SystemStatusView::rtc_battery_workaround() {
                }
            }
        } else {
+            make_new_directory(SETTINGS_DIR);
            make_new_file(DATE_FILEFLAG);

            year = 1980;
@@ -572,8 +575,8 @@ TransmittersMenuView::TransmittersMenuView(NavigationView& nav) {
        add_items({{"..", Color::light_grey(), &bitmap_icon_previous, [&nav]() { nav.pop(); }}});
    }
    add_items({
-        {"ADS-B", ui::Color::green(), &bitmap_icon_adsb, [&nav]() { nav.push<ADSBTxView>(); }},
-        {"APRS", ui::Color::green(), &bitmap_icon_aprs, [&nav]() { nav.push<APRSTXView>(); }},
+        {"ADS-B TX", ui::Color::green(), &bitmap_icon_adsb, [&nav]() { nav.push<ADSBTxView>(); }},
+        {"APRS TX", ui::Color::green(), &bitmap_icon_aprs, [&nav]() { nav.push<APRSTXView>(); }},
        {"BHT Xy/EP", ui::Color::green(), &bitmap_icon_bht, [&nav]() { nav.push<BHTView>(); }},
        {"BurgerPgr", ui::Color::yellow(), &bitmap_icon_burger, [&nav]() { nav.push<CoasterPagerView>(); }},
        {"GPS Sim", ui::Color::green(), &bitmap_icon_gps_sim, [&nav]() { nav.push<GpsSimAppView>(); }},
@@ -583,7 +586,7 @@ TransmittersMenuView::TransmittersMenuView(NavigationView& nav) {
        {"Morse", ui::Color::green(), &bitmap_icon_morse, [&nav]() { nav.push<MorseView>(); }},
        // { "Nuoptix DTMF", ui::Color::green(), &bitmap_icon_nuoptix, [&nav](){ nav.push<NuoptixView>(); }},
        {"OOK", ui::Color::yellow(), &bitmap_icon_remote, [&nav]() { nav.push<EncodersView>(); }},
-        {"POCSAG", ui::Color::green(), &bitmap_icon_pocsag, [&nav]() { nav.push<POCSAGTXView>(); }},
+        {"POCSAG TX", ui::Color::green(), &bitmap_icon_pocsag, [&nav]() { nav.push<POCSAGTXView>(); }},
        {"RDS", ui::Color::green(), &bitmap_icon_rds, [&nav]() { nav.push<RDSView>(); }},
        {"Soundbrd", ui::Color::green(), &bitmap_icon_soundboard, [&nav]() { nav.push<SoundBoardView>(); }},
        {"S.Painter", ui::Color::orange(), &bitmap_icon_paint, [&nav]() { nav.push<SpectrumPainterView>(); }},
@@ -322,7 +322,7 @@ void RecordView::trim_capture() {
            auto trim_range = iq::compute_trim_range(*info, power_buckets, 7);

            trim_ui.show_trimming();
-            iq::trim_capture_with_range(trim_path, trim_range, trim_ui.get_callback());
+            iq::trim_capture_with_range(trim_path, trim_range, trim_ui.get_callback(), 1);
        }

        trim_ui.clear();
@@ -224,7 +224,7 @@ void AK4951::speaker_disable() {
    set_speaker_power(false);
 }

-void AK4951::microphone_enable(int8_t alc_mode) {
+void AK4951::microphone_enable(int8_t alc_mode, bool mic_to_HP_enabled) {
    // alc_mode =0 = (OFF =same as original code = NOT using AK4951 Programmable digital filter block),
    // alc_mode >1 (with  DIGITAL FILTER BLOCK , example :  1:(+12dB) , 2:(+9dB)", 3:(+6dB), ...)

@@ -279,7 +279,7 @@ void AK4951::microphone_enable(int8_t alc_mode) {
        update(Register::DigitalFilterMode);     // Writing the Audio Path :  NO DIGITAL BLOCK or DIG BLOCK FOR  MIC ,   Audio mode path : Playback mode /-Recording mode.

        map.r.power_management_1.PMADL = 1;   // ADC Lch = Lch input signal. Mic Amp Lch and ADC Lch Power Management
-        map.r.power_management_1.PMADR = 1;   // ADC Rch = Rch input signal. Mic Amp Rch and ADC Rch Power Management
+        map.r.power_management_1.PMADR = 0;   // ADC Rch = Rch input signal. Mic Amp Rch and ADC Rch Power Management. (PMADL=1, PMADR=0) means MONO MIC input connected to Left pin.
        map.r.power_management_1.PMPFIL = 0;  // Pre-loading , Programmable Dig. filter OFF ,filter unused, routed around.(original value = 0 )
        update(Register::PowerManagement1);   // Activating the Power management of the used blocks . (Mic ADC always + Dig Block filter , when used )

@@ -461,7 +461,7 @@ void AK4951::microphone_enable(int8_t alc_mode) {
        // When changing those modes, PMPFIL bit must be “0”, it is OK (*1)
        map.r.digital_filter_mode.ADCPF = 1;     // ADCPF bit swith ("0" Mic  after ADC Output connected (recording mode) to the DIGITAL FILTER  BLOCK. ("1" Playback mode)
        map.r.digital_filter_mode.PFSDO = 1;     // ADC (+ 1st order HPF) Output
-        map.r.digital_filter_mode.PFDAC = 0b00;  // (Input selector for DAC (not used in MIC), SDTI= Audio Serial Data Input Pin)
+        map.r.digital_filter_mode.PFDAC = 0b00;  // (Input selector for DAC (initially not used in MIC), SDTI= Audio Serial Data Input Pin)
        update(Register::DigitalFilterMode);     // Writing the Audio Path :  NO DIGITAL BLOCK or DIG BLOCK FOR  MIC ,   Audio mode path : Playback mode /-Recording mode.

        // The EQn (n=1, 2, 3, 4 or 5) coefficient must be set when EQn bit = “0” or PMPFIL bit = “0”., but we are already (*1)
@@ -501,10 +501,15 @@ void AK4951::microphone_enable(int8_t alc_mode) {

        // Acitivating digital block , power supply
        map.r.power_management_1.PMADL = 1;   // ADC Lch = Lch input signal. Mic Amp Lch and ADC Lch Power Management
-        map.r.power_management_1.PMADR = 1;   // ADC Rch = Rch input signal. Mic Amp Rch and ADC Rch Power Management
+        map.r.power_management_1.PMADR = 0;   // ADC Rch = Rch input signal. Mic Amp Rch and ADC Rch Power Management. (PMADL=1, PMADR=0) means MONO MIC input connected to Left pin.
        map.r.power_management_1.PMPFIL = 1;  // Pre-loaded in top part.  Orig value=0, Programmable Digital filter unused (not power up), routed around.
        update(Register::PowerManagement1);   // Activating the Power management of the used blocks . (Mic ADC always + Dig Block filter , when used )

+        if (mic_to_HP_enabled)
+            microphone_to_HP_enable();
+        else
+            microphone_to_HP_disable();
+
        // 1059/fs, 22ms @ 48kHz
        chThdSleepMilliseconds(22);
    }
@@ -522,8 +527,13 @@ void AK4951::microphone_disable() {
    map.r.power_management_1.PMADL = 0;   // original code  , disable Power managem.Mic  ADC L
    map.r.power_management_1.PMADR = 0;   // original code  , disable Power managem.Mic  ADC R
    map.r.power_management_1.PMPFIL = 0;  // original code  , disable Power managem. all Programmable Dig. block
+    map.r.power_management_1.PMDAC = 0;   // Pre-loaded power management DAC block OFF
    update(Register::PowerManagement1);

+    map.r.power_management_2.PMHPL = 0;  // Pre-loaded power management HP LEFT block OFF
+    map.r.power_management_2.PMHPR = 0;  // Pre-loaded power management HP RIGHT block OFF
+    update(Register::PowerManagement2);  // Deactivating the Power management of the HP L&R blocks.
+
    map.r.alc_mode_control_1.ALC = 0;  // original code  , Restore , disable ALC block.
    update(Register::ALCModeControl1);

@@ -560,6 +570,30 @@ void AK4951::microphone_disable() {
    update(Register::DigitalFilterSelect3);
 }

+void AK4951::microphone_to_HP_enable() {
+    map.r.digital_filter_mode.PFDAC = 0b01;  // (Input selector for DAC, audio Loopback Mode .
+    update(Register::DigitalFilterMode);     // Writing the Audio Path ,   Audio mode path : Loopback Mode .
+
+    map.r.power_management_1.PMDAC = 1;  // Pre-loaded power management DAC block ON
+    update(Register::PowerManagement1);  // Activating the Power management of the DAC block for the loopback mode
+
+    map.r.power_management_2.PMHPL = 1;  // Pre-loaded power management HP LEFT block ON
+    map.r.power_management_2.PMHPR = 1;  // Pre-loaded power management HP RIGHT block ON
+    update(Register::PowerManagement2);  // Activating the Power management of the HP L&R blocks.
+}
+
+void AK4951::microphone_to_HP_disable() {
+    map.r.digital_filter_mode.PFDAC = 0b00;  // (Input selector for DAC (not used in MIC), SDTI= Audio Serial Data Input Pin)
+    update(Register::DigitalFilterMode);     // Writing the Audio Path ,   Audio mode path : Loopback Mode .
+
+    map.r.power_management_1.PMDAC = 0;  // Pre-loaded power management DAC block OFF
+    update(Register::PowerManagement1);  // Deactivating the Power management of the DAC block for the loopback mode
+
+    map.r.power_management_2.PMHPL = 0;  // Pre-loaded power management HP LEFT block OFF
+    map.r.power_management_2.PMHPR = 0;  // Pre-loaded power management HP RIGHT block OFF
+    update(Register::PowerManagement2);  // Deactivating the Power management of the HP L&R blocks.
+}
+
 reg_t AK4951::read(const address_t reg_address) {
    const std::array<uint8_t, 1> tx{reg_address};
    std::array<uint8_t, 1> rx{0x00};
@@ -844,9 +844,12 @@ class AK4951 : public audio::Codec {
    void set_headphone_volume(const volume_t volume) override;
    void headphone_mute();

-    void microphone_enable(int8_t alc_mode);  // added user GUI parameter , to set up AK4951 ALC mode.
+    void microphone_enable(int8_t alc_mode, bool mic_to_HP_enabled);  // added user GUI parameter , to set up AK4951 ALC mode, and mic_to_HP_enabled to control "Hear to Mic"
    void microphone_disable();

+    void microphone_to_HP_enable();
+    void microphone_to_HP_disable();
+
    size_t reg_count() const override {
        return asahi_kasei::ak4951::reg_count;
    }
@@ -33,7 +33,8 @@ typedef void (*externalAppEntry_t)(ui::NavigationView& nav);
 enum app_location_t : uint32_t {
    UTILITIES = 0,
    RX,
-    TX
+    TX,
+    DEBUG
 };

 struct application_information_t {
@@ -524,14 +524,6 @@ bool show_gui_return_icon() {  // add return icon in touchscreen menu
    return data->ui_config.show_gui_return_icon != 0;
 }

-bool load_app_settings() {  // load (last saved) app settings on startup of app
-    return data->ui_config.load_app_settings != 0;
-}
-
-bool save_app_settings() {  // save app settings when closing app
-    return data->ui_config.save_app_settings != 0;
-}
-
 bool show_bigger_qr_code() {  // show bigger QR code
    return data->ui_config.show_large_qr_code != 0;
 }
@@ -876,6 +868,8 @@ bool should_use_sdcard_for_pmem() {

 int save_persistent_settings_to_file() {
    File outfile;
+
+    make_new_directory(SETTINGS_DIR);
    auto error = outfile.create(PMEM_SETTING_FILE);
    if (error)
        return false;
@@ -920,7 +914,9 @@ bool debug_dump() {
        painter.draw_string({0, 320 - 16}, ui::Styles::red, "ERROR DUMPING " + filename.filename().string() + " !");
        return false;
    }
-    pmem_dump_file.write_line("FW version " VERSION_STRING);
+    pmem_dump_file.write_line("FW version: " VERSION_STRING);
+    pmem_dump_file.write_line("Ext APPS version req'd: 0x" + to_string_hex(VERSION_MD5));
+    pmem_dump_file.write_line("GCC version: " + to_string_dec_int(__GNUC__) + "." + to_string_dec_int(__GNUC_MINOR__) + "." + to_string_dec_int(__GNUC_PATCHLEVEL__));

    // write persistent memory
    pmem_dump_file.write_line("\n[Persistent Memory]");
@@ -179,8 +179,6 @@ bool config_converter();
 bool config_updown_converter();
 int64_t config_converter_freq();
 bool show_gui_return_icon();
-bool load_app_settings();
-bool save_app_settings();
 bool show_bigger_qr_code();
 bool hide_clock();
 bool clock_with_date();
@@ -349,17 +349,36 @@ class WM8731 : public audio::Codec {
        return false;
    }

-    void microphone_enable(int8_t wm8731_boost_GUI) override {
+    void microphone_enable(int8_t wm8731_boost_GUI, bool mic_to_HP_enabled) override {
        microphone_mute(true);  // c/m to reduce "plop noise" when changing wm8731_boost_GUI.
        // chThdSleepMilliseconds(20);  					// does not help to reduce the "plop noise"
        microphone_boost((wm8731_boost_GUI < 2) ? 1 : 0);  // 1 = Enable Boost (+20 dBs) .  0 = Disable Boost (0dBs).
        chThdSleepMilliseconds(120);                       // >50 msegs, very effective , >100 msegs minor improvement ,120 msegs trade off speed .
        microphone_mute(false);
        //	(void)alc_mode; 		In prev. fw version ,  when we did not use at all param., to avoid "unused warning" when compiling.)
+
+        if (mic_to_HP_enabled)
+            microphone_to_HP_enable();
+        else
+            microphone_to_HP_disable();
    }

    void microphone_disable() override {
-        // TODO: Implement
+        microphone_mute(true);
+        microphone_to_HP_disable();
+    }
+
+    void microphone_to_HP_enable() override {
+        map.r.analog_audio_path_control.sidetone = 1;    // Side Tone Switch (Analogue) 1 = Enable Side Tone
+        map.r.analog_audio_path_control.sideatt = 0b00;  // Side Tone Attenuation 00 = -6dB
+        write(Register::AnalogAudioPathControl);
+        headphone_enable();
+    }
+
+    void microphone_to_HP_disable() override {
+        map.r.analog_audio_path_control.sidetone = 0;    // Side Tone Switch (Analogue) 0 = Disable Side Tone
+        map.r.analog_audio_path_control.sideatt = 0b11;  // Side Tone Attenuation 11 = -15dB
+        write(Register::AnalogAudioPathControl);
    }

    void microphone_boost(const bool boost) {
Author	SHA1	Message	Date
Brumi-2021	0feacfa102	Solve mic to hp small side effect (#1523 ) * Allowing to hear Mic at TX time with Receiver ON * Solve small side effect to Audio RX App	2023-10-22 19:10:26 +02:00
Brumi-2021	a1496c1b79	Allowing to hear Mic at TX time with Receiver ON (#1522 )	2023-10-22 01:13:32 +02:00
Brumi-2021	1b73a138b6	Mic to hp refactoring (#1521 ) * Refactoring previous "Hear Mic" PR * Missed file	2023-10-21 17:31:17 +02:00
Brumi-2021	efcedd9005	Add "Hear Mic" feature to the Mic App (#1518 ) * Add "Hear Mic" feature to the Mic App * Following consensus change about ternary operators	2023-10-20 18:43:22 -05:00
Mark Thompson	86d4b17257	Simple amplification option in IQ Trim app (#1506 ) * Add files via upload * Add files via upload * Add files via upload * Add files via upload * Add files via upload * Add files via upload	2023-10-19 20:14:25 +02:00
Mark Thompson	f6a437f7fb	Create SETTINGS folder if one does not exist (#1512 ) * Add files via upload * Add files via upload * Add files via upload * Add files via upload * Add files via upload * Add files via upload	2023-10-19 20:09:49 +02:00
jLynx	3db8a5ac5b	Stable v1.8.0 release (#1504 ) * Update version.txt * Update past_version.txt	2023-10-17 15:20:40 +13:00
Mark Thompson	266a626acf	POCSAG TX default freq (#1503 ) * Changed name for blacklist * Set default POCSAG TX freq to same as in POCSAG RX	2023-10-16 21:32:07 +02:00
Mark Thompson	411e2fb93a	Hide unwanted apps by naming them in SETTINGS/blacklist file (#1502 ) * Add files via upload * Add files via upload * Add files via upload * Add files via upload * Changed some app name strings for blacklist	2023-10-15 18:04:26 -05:00
Mark Thompson	6ed83c08e3	Renamed .ini file for Burger Pager app (#1500 )	2023-10-14 21:08:39 +02:00
Mark Thompson	9929376acf	Added Freq to Radio State, only update specified App Settings, always Load/Save Settings (#1498 ) * Add files via upload * Add files via upload * Add files via upload * Add files via upload * Add files via upload * Add files via upload * Add files via upload * Add files via upload	2023-10-14 11:33:52 -05:00
Mark Thompson	5135b6404d	Prevent unnecessary CPLD SRAM load on first RX operation (#1494 )	2023-10-14 10:28:44 +02:00
Mark Thompson	790669c242	Added Transmitter settings to 2nd DFU overlay screen (#1497 ) * Added Transmitter settings to 2nd DFU overlay	2023-10-14 10:25:40 +02:00
Brumi-2021	4bb8b1882c	Error correction. Now comments matching with value (#1496 )	2023-10-12 19:56:27 +02:00
Brumi-2021	56702ca7c2	Applying a proper TX_LPF to all remaining TX App (#1495 )	2023-10-12 18:02:38 +02:00
Erwin Ried	9be4b9596d	Update README.md (#1491 ) Changing the introductory video with a newer one with a guy with weird danish accented english	2023-10-12 07:57:34 +02:00
Mark Thompson	37c6b35fb7	Moved external Font Viewer app to DEBUG menu (#1485 ) * Updated icon * Support external apps on DEBUG menu screen	2023-10-11 18:32:01 +02:00
Mark Thompson	5cd7a09797	Disable display scroll before showing fault debug message (#1482 )	2023-10-11 07:45:45 +02:00
Mark Thompson	a1856b9bb0	Fix some Guru Meditation Faults in ADSB-RX app (#1483 ) * Don't use screen_rect in functions called from rtc_timer_tick * Pause AircraftRecentEntry list changes when AC Details screen is displayed	2023-10-11 07:44:56 +02:00
Mark Thompson	29a36c8658	Revived Fonts Viewer as an External app (in Utilities menu) (#1484 ) * Add files via upload * Moved Font Viewer to external app	2023-10-11 07:43:56 +02:00