Merge pull request #630 from TQMatvey/next

Fix KeyFob (beta) being off-screen

firmware/application/CMakeLists.txt

@@ -154,6 +154,7 @@ set(CPPSRC
 	${COMMON}/ui_widget.cpp
 	${COMMON}/utility.cpp
 	${COMMON}/wm8731.cpp
+	app_settings.cpp
 	audio.cpp
 	baseband_api.cpp
 	capture_thread.cpp

firmware/application/app_settings.cpp

@@ -0,0 +1,113 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2016 Furrtek
+ * Copyright (C) 2022 Arjan Onwezen
+ *
+ * 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 "app_settings.hpp"
+
+#include "file.hpp"
+#include "portapack.hpp"
+#include "portapack_persistent_memory.hpp"
+#include <cstring>
+
+namespace std {
+
+int app_settings::load(std::string application, AppSettings* settings){
+
+	if (portapack::persistent_memory::load_app_settings()) {
+		file_path = folder+"/"+application+".ini";
+
+		auto error = settings_file.open(file_path);
+		if (!error.is_valid()) {
+			auto error = settings_file.read(file_content, 256);
+			
+			// Retrieve settings
+			auto position1 = strstr(file_content, "baseband_bandwidth=");
+			if (position1) {
+				position1 += 19;
+				settings->baseband_bandwidth=strtoll(position1, nullptr, 10);
+			}
+
+			auto position2 = strstr(file_content, "rx_frequency=");
+			if (position2)  {
+				position2 += 13;
+				settings->rx_frequency=strtoll(position2, nullptr, 10);
+			}
+
+			auto position3 = strstr(file_content, "lna=");
+			if (position3) {
+				position3 += 4;
+				settings->lna=strtoll(position3, nullptr, 10);
+			}
+
+			auto position4 = strstr(file_content, "rx_amp=");
+			if (position4) {
+				position4 += 7;
+				settings->rx_amp=strtoll(position4, nullptr, 10);
+			}
+
+			auto position5 = strstr(file_content, "sampling_rate=");
+			if (position5) {
+				position5 += 13;
+				settings->sampling_rate=strtoll(position5, nullptr, 10);
+			}
+
+
+			auto position6 = strstr(file_content, "vga=");
+			if (position6) {
+				position6 += 4;
+				settings->vga=strtoll(position6, nullptr, 10);
+			} 
+
+			rc = SETTINGS_OK;
+		}
+		else rc = SETTINGS_UNABLE_TO_LOAD;
+	}
+	else rc = SETTINGS_DISABLED;
+	return(rc);
+}
+
+int app_settings::save(std::string application, AppSettings* settings){
+
+	if (portapack::persistent_memory::save_app_settings()) {        
+		file_path = folder+"/"+application+".ini";
+		make_new_directory(folder);
+
+		auto error = settings_file.create(file_path);
+		if (!error.is_valid()) {
+			// Save common setting
+			settings_file.write_line("baseband_bandwidth="+to_string_dec_uint(portapack::receiver_model.baseband_bandwidth()));
+			settings_file.write_line("lna="+to_string_dec_uint(portapack::receiver_model.lna()));
+			settings_file.write_line("rx_amp="+to_string_dec_uint(portapack::receiver_model.rf_amp()));
+			settings_file.write_line("sampling_rate="+to_string_dec_uint(portapack::receiver_model.sampling_rate()));
+			settings_file.write_line("vga="+to_string_dec_uint(portapack::receiver_model.vga()));
+			// Save other settings from struct
+			settings_file.write_line("rx_frequency="+to_string_dec_uint(settings->rx_frequency));
+
+			rc = SETTINGS_OK;
+		}
+		else rc = SETTINGS_UNABLE_TO_SAVE;
+	}
+	else rc = SETTINGS_DISABLED;
+	return(rc);
+}
+
+} /* namespace std */

firmware/application/app_settings.hpp

@@ -0,0 +1,78 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2016 Furrtek
+ * Copyright (C) 2022 Arjan Onwezen
+ *
+ * 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 __APP_SETTINGS_H__
+#define __APP_SETTINGS_H__
+
+
+#include <cstddef>
+#include <cstdint>
+#include <string>
+
+#include "file.hpp"
+#include "string_format.hpp"
+
+
+namespace std {
+class app_settings {
+
+
+
+public:
+
+#define SETTINGS_OK	 	 	0		// settings found
+#define SETTINGS_UNABLE_TO_LOAD		-1		// settings (file) not found
+#define SETTINGS_UNABLE_TO_SAVE		-2		// unable to save settings
+#define SETTINGS_DISABLED		-3		// load/save settings disabled in settings
+
+
+	// store settings that can't be set directly, but have to be stored in app	
+	struct AppSettings {
+		uint32_t 	baseband_bandwidth;
+		uint8_t 	lna;
+		uint8_t 	rx_amp;
+		uint32_t 	rx_frequency;
+		uint32_t 	sampling_rate;
+		uint8_t 	vga;
+	};
+
+	int load(std::string application, AppSettings* settings);
+	int save(std::string application, AppSettings* settings);
+
+
+private:
+
+
+	char 		file_content[257] = {};	
+	std::string 	file_path = "";
+	std::string 	folder = "SETTINGS";
+	int		rc = SETTINGS_OK;
+	File 		settings_file { };	
+
+
+}; // class app_settings
+} // namespace std
+
+
+
+#endif/*__APP_SETTINGS_H__*/

firmware/application/apps/ais_app.cpp

@@ -254,8 +254,18 @@ AISRecentEntryDetailView::AISRecentEntryDetailView(NavigationView& nav) {
 
 		
 	};
-	
-	
+}
+
+
+AISRecentEntryDetailView::AISRecentEntryDetailView(const AISRecentEntryDetailView&Entry) : View()
+{
+    (void)Entry;
+}
+
+AISRecentEntryDetailView & AISRecentEntryDetailView::operator=(const AISRecentEntryDetailView&Entry) 
+{
+    (void)Entry;
+    return *this;
 }
 
 void AISRecentEntryDetailView::update_position() {
@@ -325,24 +335,23 @@ AISAppView::AISAppView(NavigationView& nav) : nav_ { nav } {
 		&recent_entry_detail_view,
 	});
 
+
+	// load app settings
+	auto rc = settings.load("rx_ais", &app_settings);
+	if(rc == SETTINGS_OK) {
+		field_lna.set_value(app_settings.lna);
+		field_vga.set_value(app_settings.vga);
+		field_rf_amp.set_value(app_settings.rx_amp);
+		target_frequency_ = app_settings.rx_frequency;
+	}
+	else target_frequency_ = initial_target_frequency;
+
 	recent_entry_detail_view.hidden(true);
 
-	target_frequency_ = initial_target_frequency;
-  
-    receiver_model.set_tuning_frequency(tuning_frequency());
-    receiver_model.set_sampling_rate(sampling_rate);
-    receiver_model.set_baseband_bandwidth(baseband_bandwidth);
-    receiver_model.enable();  // Before using radio::enable(), but not updating Ant.DC-Bias.
-
-/*  radio::enable({     //  this can be removed, previous version,no DC-bias control.
-		tuning_frequency(),
-		sampling_rate,
-		baseband_bandwidth,
-		rf::Direction::Receive,
-		receiver_model.rf_amp(),
-		static_cast<int8_t>(receiver_model.lna()),
-		static_cast<int8_t>(receiver_model.vga()),
-	}); */
+    	receiver_model.set_tuning_frequency(tuning_frequency());
+    	receiver_model.set_sampling_rate(sampling_rate);
+    	receiver_model.set_baseband_bandwidth(baseband_bandwidth);
+    	receiver_model.enable();  // Before using radio::enable(), but not updating Ant.DC-Bias.
 	
 	options_channel.on_change = [this](size_t, OptionsField::value_t v) {
 		this->on_frequency_changed(v);
@@ -363,7 +372,11 @@ AISAppView::AISAppView(NavigationView& nav) : nav_ { nav } {
 }
 
 AISAppView::~AISAppView() {
-/*	radio::disable();  */
+
+	// save app settings
+	app_settings.rx_frequency = target_frequency_;
+	settings.save("rx_ais", &app_settings);
+
 	receiver_model.disable();   // to switch off all, including DC bias.
 
 	baseband::shutdown();

firmware/application/apps/ais_app.hpp

@@ -33,7 +33,7 @@
 #include "event_m0.hpp"
 
 #include "log_file.hpp"
-
+#include "app_settings.hpp"
 #include "ais_packet.hpp"
 
 #include "lpc43xx_cpp.hpp"
@@ -127,6 +127,9 @@ public:
 	void focus() override;
 	void paint(Painter&) override;
 
+    AISRecentEntryDetailView(const AISRecentEntryDetailView&Entry);
+    AISRecentEntryDetailView &operator=(const AISRecentEntryDetailView&Entry);
+
 private:
 	AISRecentEntry entry_ { };
 
@@ -163,13 +166,18 @@ public:
 
 	void focus() override;
 
-	std::string title() const override { return "AIS"; };
+	std::string title() const override { return "AIS Boats RX"; };
 
 private:
 	static constexpr uint32_t initial_target_frequency = 162025000;
 	static constexpr uint32_t sampling_rate = 2457600;
 	static constexpr uint32_t baseband_bandwidth = 1750000;
 
+
+	// app save settings
+	std::app_settings 		settings { }; 		
+	std::app_settings::AppSettings 	app_settings { };
+
 	NavigationView& nav_;
 
 	AISRecentEntries recent { };

firmware/application/apps/analog_audio_app.cpp

@@ -129,10 +129,20 @@ AnalogAudioView::AnalogAudioView(
 		&waterfall
 	});
 
+	// load app settings
+	auto rc = settings.load("rx_audio", &app_settings);
+	if(rc == SETTINGS_OK) {
+		field_lna.set_value(app_settings.lna);
+		field_vga.set_value(app_settings.vga);
+		receiver_model.set_rf_amp(app_settings.rx_amp);
+		field_frequency.set_value(app_settings.rx_frequency);
+	}
+	else field_frequency.set_value(receiver_model.tuning_frequency());
+	
+
 	//Filename Datetime and Frequency
 	record_view.set_filename_date_frequency(true);
 
-	field_frequency.set_value(receiver_model.tuning_frequency());
 	field_frequency.set_step(receiver_model.frequency_step());
 	field_frequency.on_change = [this](rf::Frequency f) {
 		this->on_tuning_frequency_changed(f);
@@ -210,6 +220,11 @@ void AnalogAudioView::set_spec_trigger(uint16_t trigger) {
 }
 
 AnalogAudioView::~AnalogAudioView() {
+
+	// save app settings
+	app_settings.rx_frequency = field_frequency.value();
+	settings.save("rx_audio", &app_settings);
+
 	// TODO: Manipulating audio codec here, and in ui_receiver.cpp. Good to do
 	// both?
 	audio::output::stop();

firmware/application/apps/analog_audio_app.hpp

@@ -29,7 +29,7 @@
 #include "ui_spectrum.hpp"
 #include "ui_record_view.hpp"
 #include "ui_font_fixed_8x16.hpp"
-
+#include "app_settings.hpp"
 #include "tone_key.hpp"
 
 
@@ -143,7 +143,7 @@ public:
 
 	void focus() override;
 
-	std::string title() const override { return "Analog audio"; };
+	std::string title() const override { return "Audio RX"; };
 
 	size_t get_spec_bw_index();
 	void set_spec_bw(size_t index, uint32_t bw);
@@ -154,6 +154,10 @@ public:
 private:
 	static constexpr ui::Dim header_height = 3 * 16;
 
+	// app save settings
+	std::app_settings 		settings { }; 		
+	std::app_settings::AppSettings 	app_settings { };
+
 	const Rect options_view_rect { 0 * 8, 1 * 16, 30 * 8, 1 * 16 };
 	const Rect nbfm_view_rect { 0 * 8, 1 * 16, 18 * 8, 1 * 16 };
 

firmware/application/apps/analog_tv_app.cpp

@@ -57,7 +57,18 @@ AnalogTvView::AnalogTvView(
 		&tv
 	});
 
-	field_frequency.set_value(receiver_model.tuning_frequency());
+
+	// load app settings
+	auto rc = settings.load("rx_tv", &app_settings);
+	if(rc == SETTINGS_OK) {
+		field_lna.set_value(app_settings.lna);
+		field_vga.set_value(app_settings.vga);
+		receiver_model.set_rf_amp(app_settings.rx_amp);
+		field_frequency.set_value(app_settings.rx_frequency);
+	}
+	else field_frequency.set_value(receiver_model.tuning_frequency());
+
+
 	field_frequency.set_step(receiver_model.frequency_step());
 	field_frequency.on_change = [this](rf::Frequency f) {
 		this->on_tuning_frequency_changed(f);
@@ -106,12 +117,15 @@ AnalogTvView::AnalogTvView(
 }
 
 AnalogTvView::~AnalogTvView() {
+
+	// save app settings
+	app_settings.rx_frequency = field_frequency.value();
+	settings.save("rx_tv", &app_settings);
+
 	// TODO: Manipulating audio codec here, and in ui_receiver.cpp. Good to do
 	// both?
 	audio::output::stop();
-
 	receiver_model.disable();
-
 	baseband::shutdown();
 }
 

firmware/application/apps/analog_tv_app.hpp

@@ -29,7 +29,7 @@
 #include "ui_receiver.hpp"
 #include "ui_tv.hpp"
 #include "ui_record_view.hpp"
-
+#include "app_settings.hpp"
 #include "ui_font_fixed_8x16.hpp"
 
 #include "tone_key.hpp"
@@ -53,11 +53,15 @@ public:
 
 	void focus() override;
 
-	std::string title() const override { return "Analog TV"; };
+	std::string title() const override { return "Analog TV RX"; };
 	
 private:
 	static constexpr ui::Dim header_height = 3 * 16;
 
+	// app save settings
+	std::app_settings 		settings { }; 		
+	std::app_settings::AppSettings 	app_settings { };
+
 	const Rect options_view_rect { 0 * 8, 1 * 16, 30 * 8, 1 * 16 };
 	const Rect nbfm_view_rect { 0 * 8, 1 * 16, 18 * 8, 1 * 16 };
 

firmware/application/apps/ert_app.cpp

@@ -105,6 +105,15 @@ ERTAppView::ERTAppView(NavigationView&) {
 		&recent_entries_view,
 	});
 
+	// load app settings
+	auto rc = settings.load("rx_ert", &app_settings);
+	if(rc == SETTINGS_OK) {
+		field_lna.set_value(app_settings.lna);
+		field_vga.set_value(app_settings.vga);
+		field_rf_amp.set_value(app_settings.rx_amp);
+	}
+
+
 	radio::enable({
 		initial_target_frequency,
 		sampling_rate,
@@ -122,6 +131,10 @@ ERTAppView::ERTAppView(NavigationView&) {
 }
 
 ERTAppView::~ERTAppView() {
+
+	// save app settings
+	settings.save("rx_ert", &app_settings);
+
 	radio::disable();
 
 	baseband::shutdown();

firmware/application/apps/ert_app.hpp

@@ -28,7 +28,7 @@
 #include "ui_channel.hpp"
 
 #include "event_m0.hpp"
-
+#include "app_settings.hpp"
 #include "log_file.hpp"
 
 #include "ert_packet.hpp"
@@ -125,12 +125,17 @@ public:
 
 	void focus() override;
 
-	std::string title() const override { return "ERT"; };
+	std::string title() const override { return "ERT Meter RX"; };
 
 private:
 	ERTRecentEntries recent { };
 	std::unique_ptr<ERTLogger> logger { };
 
+	// app save settings
+	std::app_settings 		settings { }; 		
+	std::app_settings::AppSettings 	app_settings { };
+
+
 	const RecentEntriesColumns columns { {
 		{ "ID", 10 },
 		{ "Tp", 2 },

firmware/application/apps/gps_sim_app.hpp

@@ -44,7 +44,7 @@ public:
 	void set_parent_rect(const Rect new_parent_rect) override;
 	void focus() override;
 
-	std::string title() const override { return "GPS Simulator"; };
+	std::string title() const override { return "GPS Sim TX"; };
 	
 private:
 	NavigationView& nav_;

firmware/application/apps/lge_app.hpp

@@ -40,7 +40,7 @@ public:
 	
 	void focus() override;
 	
-	std::string title() const override { return "LGE tool"; };
+	std::string title() const override { return "LGE tool TX"; };
 
 private:
 	enum tx_modes {

firmware/application/apps/pocsag_app.cpp

@@ -77,11 +77,20 @@ POCSAGAppView::POCSAGAppView(NavigationView& nav) {
 		&console
 	});
 	
+	// load app settings
+	auto rc = settings.load("rx_pocsag", &app_settings);
+	if(rc == SETTINGS_OK) {
+		field_lna.set_value(app_settings.lna);
+		field_vga.set_value(app_settings.vga);
+		field_rf_amp.set_value(app_settings.rx_amp);
+		field_frequency.set_value(app_settings.rx_frequency);
+	}
+	else field_frequency.set_value(receiver_model.tuning_frequency());
+
 	receiver_model.set_sampling_rate(3072000);
 	receiver_model.set_baseband_bandwidth(1750000);
 	receiver_model.enable();
 	
-	field_frequency.set_value(receiver_model.tuning_frequency());
 	field_frequency.set_step(receiver_model.frequency_step());
 	field_frequency.on_change = [this](rf::Frequency f) {
 		update_freq(f);
@@ -127,6 +136,11 @@ POCSAGAppView::POCSAGAppView(NavigationView& nav) {
 }
 
 POCSAGAppView::~POCSAGAppView() {	
+
+	// save app settings
+	app_settings.rx_frequency = field_frequency.value();
+	settings.save("rx_pocsag", &app_settings);
+
 	audio::output::stop();
 
 	// Save ignored address

firmware/application/apps/pocsag_app.hpp

@@ -28,7 +28,7 @@
 #include "ui_rssi.hpp"
 
 #include "log_file.hpp"
-
+#include "app_settings.hpp"
 #include "pocsag.hpp"
 #include "pocsag_packet.hpp"
 
@@ -60,6 +60,10 @@ public:
 private:
 	static constexpr uint32_t initial_target_frequency = 466175000;
 
+	// app save settings
+	std::app_settings 		settings { }; 		
+	std::app_settings::AppSettings 	app_settings { };
+
 	bool logging { true };
 	bool ignore { true };
 	uint32_t last_address = 0xFFFFFFFF;

firmware/application/apps/soundboard_app.hpp

@@ -45,7 +45,7 @@ public:
 
 	void focus() override;
 	
-	std::string title() const override { return "Soundboard"; };
+	std::string title() const override { return "Soundboard TX"; };
 	
 private:
 	NavigationView& nav_;

firmware/application/apps/tpms_app.cpp

@@ -151,6 +151,16 @@ TPMSAppView::TPMSAppView(NavigationView&) {
 		&options_type,
 	});
 
+	// load app settings
+	auto rc = settings.load("rx_tpms", &app_settings);
+	if(rc == SETTINGS_OK) {
+		field_lna.set_value(app_settings.lna);
+		field_vga.set_value(app_settings.vga);
+		field_rf_amp.set_value(app_settings.rx_amp);
+		options_band.set_by_value(app_settings.rx_frequency);
+	}
+	else options_band.set_by_value(receiver_model.tuning_frequency());
+
 	radio::enable({
 		tuning_frequency(),
 		sampling_rate,
@@ -184,6 +194,12 @@ TPMSAppView::TPMSAppView(NavigationView&) {
 }
 
 TPMSAppView::~TPMSAppView() {
+
+
+	// save app settings
+	app_settings.rx_frequency = target_frequency_;
+	settings.save("rx_tpms", &app_settings);
+
 	radio::disable();
 
 	baseband::shutdown();

firmware/application/apps/tpms_app.hpp

@@ -27,7 +27,7 @@
 #include "ui_receiver.hpp"
 #include "ui_rssi.hpp"
 #include "ui_channel.hpp"
-
+#include "app_settings.hpp"
 #include "event_m0.hpp"
 
 #include "log_file.hpp"
@@ -103,13 +103,17 @@ public:
 
 	void focus() override;
 
-	std::string title() const override { return "TPMS"; };
+	std::string title() const override { return "TPMS Cars RX"; };
 
 private:
 	static constexpr uint32_t initial_target_frequency = 315000000;
 	static constexpr uint32_t sampling_rate = 2457600;
 	static constexpr uint32_t baseband_bandwidth = 1750000;
 
+	// app save settings
+	std::app_settings 		settings { }; 		
+	std::app_settings::AppSettings 	app_settings { };
+
 	MessageHandlerRegistration message_handler_packet {
 		Message::ID::TPMSPacket,
 		[this](Message* const p) {

firmware/application/apps/ui_adsb_rx.cpp

@@ -309,8 +309,11 @@ void ADSBRxView::focus() {
 }
 
 ADSBRxView::~ADSBRxView() {
-	receiver_model.set_tuning_frequency(prevFreq);
 
+	// save app settings
+	settings.save("rx_adsb", &app_settings);
+
+	receiver_model.set_tuning_frequency(prevFreq);
 	rtc_time::signal_tick_second -= signal_token_tick_second;
 	receiver_model.disable();
 	baseband::shutdown();
@@ -458,6 +461,21 @@ ADSBRxView::ADSBRxView(NavigationView& nav) {
 		&recent_entries_view
 	});
 	
+
+	// load app settings
+	auto rc = settings.load("rx_adsb", &app_settings);
+	if(rc == SETTINGS_OK) {
+		field_lna.set_value(app_settings.lna);
+		field_vga.set_value(app_settings.vga);
+		field_rf_amp.set_value(app_settings.rx_amp);
+	}
+	else
+	{
+		field_lna.set_value(40);
+		field_vga.set_value(40);
+	}
+
+
 	recent_entries_view.set_parent_rect({ 0, 16, 240, 272 });
 	recent_entries_view.on_select = [this, &nav](const AircraftRecentEntry& entry) {
 		detailed_entry_key = entry.key();
@@ -478,8 +496,6 @@ ADSBRxView::ADSBRxView(NavigationView& nav) {
 	baseband::set_adsb();
 	
 	receiver_model.set_tuning_frequency(1090000000);
-	field_lna.set_value(40);
-	field_vga.set_value(40);
 	receiver_model.set_modulation(ReceiverModel::Mode::SpectrumAnalysis);
 	receiver_model.set_sampling_rate(2000000);
 	receiver_model.set_baseband_bandwidth(2500000);

firmware/application/apps/ui_adsb_rx.hpp

@@ -32,7 +32,7 @@
 #include "log_file.hpp"
 #include "adsb.hpp"
 #include "message.hpp"
-
+#include "app_settings.hpp"
 #include "crc.hpp"
 
 using namespace adsb;
@@ -184,7 +184,7 @@ private:
 	AircraftRecentEntry 		entry_copy { 0 };
 	std::function<void(void)> 	on_close_ { };
 	bool 				send_updates { false };
-	std::database 			db;
+	std::database 			db = { };
 	std::string 			icao_code = "";
 	int 				return_code = 0;
 
@@ -279,7 +279,7 @@ private:
 	GeoMapView* 			geomap_view { nullptr };
 	ADSBRxAircraftDetailsView* 	aircraft_details_view { nullptr };
 	bool 				send_updates { false };
-	std::database 			db;	
+	std::database 			db = { };	
 	std::string 			airline_code = "";
 	int 				return_code = 0;
 	
@@ -361,17 +361,20 @@ public:
 	
 	void focus() override;
 	
-	std::string title() const override { return "ADS-B receive"; };
+	std::string title() const override { return "ADS-B RX"; };
 
 	void replace_entry(AircraftRecentEntry & entry);
 	AircraftRecentEntry find_or_create_entry(uint32_t ICAO_address);
 	void sort_entries_by_state();
 
 private:
-	rf::Frequency prevFreq;
+	rf::Frequency prevFreq = { 0 };
 	std::unique_ptr<ADSBLogger> logger { };
 	void on_frame(const ADSBFrameMessage * message);
 	void on_tick_second();
+	// app save settings
+	std::app_settings 		settings { }; 		
+	std::app_settings::AppSettings 	app_settings { };
 	
 	const RecentEntriesColumns columns { {
 #if false

firmware/application/apps/ui_adsb_tx.hpp

@@ -152,7 +152,7 @@ public:
 	
 	void focus() override;
 	
-	std::string title() const override { return "ADS-B transmit"; };
+	std::string title() const override { return "ADS-B TX"; };
 
 private:
 	/*enum tx_modes {

firmware/application/apps/ui_afsk_rx.cpp

@@ -66,6 +66,15 @@ AFSKRxView::AFSKRxView(NavigationView& nav) {
 		&console
 	});
 	
+	// load app settings
+	auto rc = settings.load("rx_afsk", &app_settings);
+	if(rc == SETTINGS_OK) {
+		field_lna.set_value(app_settings.lna);
+		field_vga.set_value(app_settings.vga);
+		field_rf_amp.set_value(app_settings.rx_amp);
+	}
+
+
 	// DEBUG
 	record_view.on_error = [&nav](std::string message) {
 		nav.display_modal("Error", message);
@@ -164,6 +173,11 @@ void AFSKRxView::on_data(uint32_t value, bool is_data) {
 }
 
 AFSKRxView::~AFSKRxView() {
+
+	// save app settings
+	app_settings.rx_frequency = field_frequency.value();
+	settings.save("rx_afsk", &app_settings);
+
 	audio::output::stop();
 	receiver_model.disable();
 	baseband::shutdown();

firmware/application/apps/ui_afsk_rx.hpp

@@ -27,7 +27,7 @@
 #include "ui_navigation.hpp"
 #include "ui_receiver.hpp"
 #include "ui_record_view.hpp"	// DEBUG
-
+#include "app_settings.hpp"
 #include "log_file.hpp"
 #include "utility.hpp"
 
@@ -57,6 +57,10 @@ public:
 private:
 	void on_data(uint32_t value, bool is_data);
 	
+	// app save settings
+	std::app_settings 		settings { }; 		
+	std::app_settings::AppSettings 	app_settings { };
+
 	uint8_t console_color { 0 };
 	uint32_t prev_value { 0 };
 	std::string str_log { "" };

firmware/application/apps/ui_aprs_rx.cpp

@@ -98,6 +98,15 @@ APRSRxView::APRSRxView(NavigationView& nav, Rect parent_rect) : View(parent_rect
 		&console
 	});
 	
+	// load app settings
+	auto rc = settings.load("rx_aprs", &app_settings);
+	if(rc == SETTINGS_OK) {
+		field_lna.set_value(app_settings.lna);
+		field_vga.set_value(app_settings.vga);
+		field_rf_amp.set_value(app_settings.rx_amp);
+	}
+
+
 	// DEBUG
 	record_view.on_error = [&nav](std::string message) {
 		nav.display_modal("Error", message);
@@ -211,6 +220,10 @@ void APRSRxView::on_show(){
 }
 
 APRSRxView::~APRSRxView() {
+
+	// save app settings
+	settings.save("rx_aprs", &app_settings);
+
 	audio::output::stop();
 	receiver_model.disable();
 	baseband::shutdown();

firmware/application/apps/ui_aprs_rx.hpp

@@ -28,7 +28,7 @@
 #include "ui_receiver.hpp"
 #include "ui_record_view.hpp"	// DEBUG
 #include "ui_geomap.hpp"
-
+#include "app_settings.hpp"
 #include "recent_entries.hpp"
 #include "ui_tabview.hpp"
 
@@ -57,12 +57,12 @@ struct APRSRecentEntry {
 	uint16_t hits { 0 };
 	uint32_t age { 0 };	
 	
-	uint64_t source;
+	uint64_t source { 0 };
 	std::string source_formatted { "        " };
 	std::string time_string { "" };
 	std::string info_string { "" };
 	
-	aprs::aprs_pos pos;
+	aprs::aprs_pos pos { 0 , 0 , 0 , 0 };
 	bool has_position = false;
 	APRSRecentEntry(uint64_t src)
 	{
@@ -131,6 +131,7 @@ private:
 	GeoMapView* geomap_view { nullptr };
 	bool send_updates { false };
 	
+
 	Console console {
 		{ 0, 0 * 16, 240, 224 }		
 	};
@@ -192,6 +193,11 @@ private:
 	void on_data(uint32_t value, bool is_data);
 	bool reset_console = false;
 	
+	// app save settings
+	std::app_settings 		settings { }; 		
+	std::app_settings::AppSettings 	app_settings { };
+
+
 	uint8_t console_color { 0 };
 	std::string str_log { "" };
 

firmware/application/apps/ui_bht_tx.hpp

@@ -178,7 +178,7 @@ public:
 
 	void focus() override;
 	
-	std::string title() const override { return "BHT transmit"; };
+	std::string title() const override { return "BHT Xy/EP TX"; };
 
 private:
 	void on_tx_progress(const uint32_t progress, const bool done);

firmware/application/apps/ui_btle_rx.cpp

@@ -60,6 +60,15 @@ BTLERxView::BTLERxView(NavigationView& nav) {
 		&console
 	});
 	
+	// load app settings
+	auto rc = settings.load("rx_btle", &app_settings);
+	if(rc == SETTINGS_OK) {
+		field_lna.set_value(app_settings.lna);
+		field_vga.set_value(app_settings.vga);
+		field_rf_amp.set_value(app_settings.rx_amp);
+	}
+
+
 	// DEBUG
 	record_view.on_error = [&nav](std::string message) {
 		nav.display_modal("Error", message);
@@ -152,6 +161,11 @@ void BTLERxView::on_data(uint32_t value, bool is_data) {
 }
 
 BTLERxView::~BTLERxView() {
+
+	// save app settings
+	app_settings.rx_frequency = field_frequency.value();
+	settings.save("rx_btle", &app_settings);
+
 	audio::output::stop();
 	receiver_model.disable();
 	baseband::shutdown();

firmware/application/apps/ui_btle_rx.hpp

@@ -27,6 +27,7 @@
 #include "ui.hpp"
 #include "ui_navigation.hpp"
 #include "ui_receiver.hpp"
+#include "app_settings.hpp"
 #include "ui_record_view.hpp"	// DEBUG
 
 #include "utility.hpp"
@@ -45,6 +46,11 @@ public:
 private:
 	void on_data(uint32_t value, bool is_data);
 	
+
+	// app save settings
+	std::app_settings 		settings { }; 		
+	std::app_settings::AppSettings 	app_settings { };
+
 	uint8_t console_color { 0 };
 	uint32_t prev_value { 0 };
 	std::string str_log { "" };

firmware/application/apps/ui_coasterp.hpp

@@ -39,7 +39,7 @@ public:
 	
 	void focus() override;
 	
-	std::string title() const override { return "Si44xx TX"; };
+	std::string title() const override { return "BurgerPgr TX"; };
 
 private:
 	enum tx_modes {

firmware/application/apps/ui_debug.cpp

@@ -31,6 +31,7 @@
 #include "ui_sd_card_debug.hpp"
 
 #include "portapack.hpp"
+#include "portapack_persistent_memory.hpp"
 using namespace portapack;
 
 #include "irq_controls.hpp"
@@ -345,14 +346,17 @@ DebugPeripheralsMenuView::DebugPeripheralsMenuView(NavigationView& nav) {
 /* DebugMenuView *********************************************************/
 
 DebugMenuView::DebugMenuView(NavigationView& nav) {
+    if( portapack::persistent_memory::show_gui_return_icon() )
+    {
+        add_items( { { "..", 		ui::Color::light_grey(),&bitmap_icon_previous,	[&nav](){ nav.pop(); } } } );
+    }
 	add_items({
-		//{ "..",				ui::Color::light_grey(),&bitmap_icon_previous,	[&nav](){ nav.pop(); } },
 		{ "Memory", 		ui::Color::dark_cyan(),	&bitmap_icon_memory,	[&nav](){ nav.push<DebugMemoryView>(); } },
 		//{ "Radio State",	ui::Color::white(),	nullptr,	[&nav](){ nav.push<NotImplementedView>(); } },
 		{ "SD Card",		ui::Color::dark_cyan(),	&bitmap_icon_sdcard,	[&nav](){ nav.push<SDCardDebugView>(); } },
 		{ "Peripherals",	ui::Color::dark_cyan(),	&bitmap_icon_peripherals,	[&nav](){ nav.push<DebugPeripheralsMenuView>(); } },
 		{ "Temperature",	ui::Color::dark_cyan(),	&bitmap_icon_temperature,	[&nav](){ nav.push<TemperatureView>(); } },
-		{ "Buttons test",	ui::Color::dark_cyan(),	&bitmap_icon_controls,	[&nav](){ nav.push<DebugControlsView>(); } },
+		{ "Buttons Test",	ui::Color::dark_cyan(),	&bitmap_icon_controls,	[&nav](){ nav.push<DebugControlsView>(); } },
 	});
 	set_max_rows(2); // allow wider buttons
 }

firmware/application/apps/ui_debug.hpp

@@ -43,6 +43,8 @@ public:
 
 	void focus() override;
 
+	std::string title() const override { return "Memory"; };
+
 private:
 	Text text_title {
 		{ 96, 96, 48, 16 },
@@ -113,6 +115,8 @@ public:
 
 	void focus() override;
 
+	std::string title() const override { return "Temperature"; };
+
 private:
 	Text text_title {
 		{ 76, 16, 240, 16 },
@@ -252,6 +256,8 @@ public:
 
 	void focus() override;
 
+	std::string title() const override { return "Buttons Test"; };
+
 private:
 	Text text_title {
 		{ 64, 16, 184, 16 },

firmware/application/apps/ui_encoders.hpp

@@ -158,7 +158,7 @@ public:
 	
 	void focus() override;
 	
-	std::string title() const override { return "OOK transmit"; };
+	std::string title() const override { return "OOK TX"; };
 
 private:
 	NavigationView& nav_;

firmware/application/apps/ui_jammer.hpp

@@ -106,7 +106,7 @@ public:
 	
 	void focus() override;
 	
-	std::string title() const override { return "Jammer"; };
+	std::string title() const override { return "Jammer TX"; };
 	
 private:
 	NavigationView& nav_;

firmware/application/apps/ui_keyfob.hpp

@@ -36,7 +36,7 @@ public:
 	
 	void focus() override;
 	
-	std::string title() const override { return "Keyfob (BETA)"; };
+	std::string title() const override { return "Key fob TX"; };
 
 private:
 	NavigationView& nav_;

firmware/application/apps/ui_lcr.hpp

@@ -39,7 +39,7 @@ public:
 	
 	void focus() override;
 	
-	std::string title() const override { return "LCR transmit"; };
+	std::string title() const override { return "TEDI/LCR TX"; };
 	
 private:
 	struct scan_list_t {

firmware/application/apps/ui_mictx.hpp

@@ -58,7 +58,7 @@ public:
 	};
 	*/
 
-	std::string title() const override { return "Mic TX RX"; };
+	std::string title() const override { return "Microphone"; };
 
 private:
 	static constexpr uint32_t sampling_rate = 1536000U;

firmware/application/apps/ui_nrf_rx.cpp

@@ -60,6 +60,14 @@ NRFRxView::NRFRxView(NavigationView& nav) {
 		&console
 	});
 	
+	// load app settings
+	auto rc = settings.load("rx_nrf", &app_settings);
+	if(rc == SETTINGS_OK) {
+		field_lna.set_value(app_settings.lna);
+		field_vga.set_value(app_settings.vga);
+		field_rf_amp.set_value(app_settings.rx_amp);
+	}
+
 	// DEBUG
 	record_view.on_error = [&nav](std::string message) {
 		nav.display_modal("Error", message);
@@ -157,6 +165,11 @@ void NRFRxView::on_data(uint32_t value, bool is_data) {
 }
 
 NRFRxView::~NRFRxView() {
+
+	// save app settings
+	app_settings.rx_frequency = field_frequency.value();
+	settings.save("rx_nrf", &app_settings);
+
 	audio::output::stop();
 	receiver_model.disable();
 	baseband::shutdown();

firmware/application/apps/ui_nrf_rx.hpp

@@ -27,6 +27,7 @@
 #include "ui.hpp"
 #include "ui_navigation.hpp"
 #include "ui_receiver.hpp"
+#include "app_settings.hpp"
 #include "ui_record_view.hpp"	// DEBUG
 
 #include "utility.hpp"
@@ -45,6 +46,10 @@ public:
 private:
 	void on_data(uint32_t value, bool is_data);
 	
+	// app save settings
+	std::app_settings 		settings { }; 		
+	std::app_settings::AppSettings 	app_settings { };
+
 	uint8_t console_color { 0 };
 	uint32_t prev_value { 0 };
 	std::string str_log { "" };

firmware/application/apps/ui_rds.hpp

@@ -144,7 +144,7 @@ public:
 	
 	void focus() override;
 
-	std::string title() const override { return "RDS transmit"; };
+	std::string title() const override { return "RDS TX"; };
 
 private:
 	NavigationView& nav_;

firmware/application/apps/ui_scanner.hpp

@@ -111,7 +111,7 @@ public:
 		.foreground = Color::red(),
 	};
 
-	std::string title() const override { return "SCANNER"; };
+	std::string title() const override { return "Scanner"; };
 	std::vector<rf::Frequency> frequency_list{ };
 	std::vector<string> description_list { };
 

firmware/application/apps/ui_sd_wipe.hpp

@@ -38,7 +38,7 @@ public:
 	~WipeSDView();
 	void focus() override;
 	
-	std::string title() const override { return "Wipe FAT"; };	
+	std::string title() const override { return "Wipe SD Card"; };	
 
 private:
 	NavigationView& nav_;

firmware/application/apps/ui_settings.cpp

@@ -234,6 +234,7 @@ SetUIView::SetUIView(NavigationView& nav) {
 		&checkbox_showsplash,
 		&checkbox_showclock,
 		&options_clockformat,
+		&checkbox_guireturnflag,
 		&button_save,
 		&button_cancel
 	});
@@ -242,6 +243,7 @@ SetUIView::SetUIView(NavigationView& nav) {
 	checkbox_speaker.set_value(persistent_memory::config_speaker());
 	checkbox_showsplash.set_value(persistent_memory::config_splash());
 	checkbox_showclock.set_value(!persistent_memory::hide_clock());
+	checkbox_guireturnflag.set_value(persistent_memory::show_gui_return_icon());
 	
 	uint32_t backlight_timer = persistent_memory::config_backlight_timer();
 	if (backlight_timer) {
@@ -257,12 +259,6 @@ SetUIView::SetUIView(NavigationView& nav) {
 		options_clockformat.set_selected_index(0);
 	}
 
-	//checkbox_speaker.on_select = [this](Checkbox&, bool v) {
-    	//	if (v) audio::output::speaker_mute();			//Just mute audio if speaker is disabled
-	//		persistent_memory::set_config_speaker(v);	//Store Speaker status
-        //	StatusRefreshMessage message { };			//Refresh status bar with/out speaker
-        //	EventDispatcher::send_message(message);
-    	//};
 
 	button_save.on_select = [&nav, this](Button&) {
 		if (checkbox_bloff.value())
@@ -284,6 +280,7 @@ SetUIView::SetUIView(NavigationView& nav) {
 	
 		persistent_memory::set_config_splash(checkbox_showsplash.value());
 		persistent_memory::set_clock_hidden(!checkbox_showclock.value());
+		persistent_memory::set_gui_return_icon(checkbox_guireturnflag.value());
 		persistent_memory::set_disable_touchscreen(checkbox_disable_touchscreen.value());
 		nav.pop();
 	};
@@ -296,6 +293,36 @@ void SetUIView::focus() {
 	button_save.focus();
 }
 
+
+// ---------------------------------------------------------
+// Appl. Settings
+// ---------------------------------------------------------
+SetAppSettingsView::SetAppSettingsView(NavigationView& nav) {
+	add_children({
+		&checkbox_load_app_settings,
+		&checkbox_save_app_settings,
+		&button_save,
+		&button_cancel
+	});
+	
+	checkbox_load_app_settings.set_value(persistent_memory::load_app_settings());
+	checkbox_save_app_settings.set_value(persistent_memory::save_app_settings());
+
+
+	button_save.on_select = [&nav, this](Button&) {
+		persistent_memory::set_load_app_settings(checkbox_load_app_settings.value());
+		persistent_memory::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();
+}
+
 SetAudioView::SetAudioView(NavigationView& nav) {
 	add_children({
 		&labels,
@@ -344,14 +371,22 @@ void SetQRCodeView::focus() {
 	button_save.focus();
 }
 
+// ---------------------------------------------------------
+// Settings main menu
+// ---------------------------------------------------------
 SettingsMenuView::SettingsMenuView(NavigationView& nav) {
+    if( portapack::persistent_memory::show_gui_return_icon() )
+    {
+        add_items( { { "..", 		ui::Color::light_grey(),&bitmap_icon_previous,	[&nav](){ nav.pop(); } } } );
+    }
 	add_items({
 		{ "Audio", 		ui::Color::dark_cyan(), &bitmap_icon_speaker,			[&nav](){ nav.push<SetAudioView>(); } },
 		{ "Radio",		ui::Color::dark_cyan(), &bitmap_icon_options_radio,		[&nav](){ nav.push<SetRadioView>(); } },
-		{ "Interface", 		ui::Color::dark_cyan(), &bitmap_icon_options_ui,		[&nav](){ nav.push<SetUIView>(); } },
+		{ "User Interface", 	ui::Color::dark_cyan(), &bitmap_icon_options_ui,		[&nav](){ nav.push<SetUIView>(); } },
 		{ "Date/Time",		ui::Color::dark_cyan(), &bitmap_icon_options_datetime,		[&nav](){ nav.push<SetDateTimeView>(); } },
-		{ "Touchscreen",	ui::Color::dark_cyan(), &bitmap_icon_options_touch,		[&nav](){ nav.push<TouchCalibrationView>(); } },
-		{ "QR code",		ui::Color::dark_cyan(), &bitmap_icon_qr_code,		[&nav](){ nav.push<SetQRCodeView>(); } }
+		{ "Calibration",	ui::Color::dark_cyan(), &bitmap_icon_options_touch,		[&nav](){ nav.push<TouchCalibrationView>(); } },
+		{ "App Settings",	ui::Color::dark_cyan(), &bitmap_icon_setup,			[&nav](){ nav.push<SetAppSettingsView>(); } },
+		{ "QR Code",		ui::Color::dark_cyan(), &bitmap_icon_qr_code,			[&nav](){ nav.push<SetQRCodeView>(); } }
 	});
 	set_max_rows(2); // allow wider buttons
 }

firmware/application/apps/ui_settings.hpp

@@ -47,7 +47,7 @@ public:
 
 	void focus() override;
 	
-	std::string title() const override { return "Set Date/Time"; };
+	std::string title() const override { return "Date/Time"; };
 
 private:
 	Labels labels {
@@ -271,6 +271,45 @@ private:
 			{ "time and date", 1 }
 		}
 	};	
+
+    Checkbox checkbox_guireturnflag {	
+		{ 3 * 8, 14 * 16 },
+		25,
+		"add return icon in GUI"
+	};
+	
+	Button button_save {
+		{ 2 * 8, 16 * 16, 12 * 8, 32 },
+		"Save"
+	};
+	
+	Button button_cancel {
+		{ 16 * 8, 16 * 16, 12 * 8, 32 },
+		"Cancel",
+	};
+};
+
+class SetAppSettingsView : public View {
+public:
+	SetAppSettingsView(NavigationView& nav);
+	
+	void focus() override;
+	
+	std::string title() const override { return "App Settings"; };
+	
+private:
+
+	Checkbox checkbox_load_app_settings {
+		{ 3 * 8, 2 * 16 },
+		25,
+		"Load app settings"
+	};
+	
+	Checkbox checkbox_save_app_settings {
+		{ 3 * 8, 4 * 16 },
+		25,
+		"Save app settings"
+	};
 	
 	Button button_save {
 		{ 2 * 8, 16 * 16, 12 * 8, 32 },
@@ -322,7 +361,7 @@ public:
 	
 	void focus() override;
 	
-	std::string title() const override { return "QR code"; };
+	std::string title() const override { return "QR Code"; };
 	
 private:
 	Checkbox checkbox_bigger_qr {

firmware/application/apps/ui_siggen.hpp

@@ -40,7 +40,7 @@ public:
 	
 	void focus() override;
 	
-	std::string title() const override { return "Generator"; };
+	std::string title() const override { return "Signal gen"; };
 
 private:
 	void start_tx();

firmware/application/apps/ui_sonde.cpp

@@ -23,6 +23,7 @@
 #include "ui_sonde.hpp"
 #include "baseband_api.hpp"
 #include "audio.hpp"
+#include "app_settings.hpp"
 
 #include "portapack.hpp"
 #include <cstring>
@@ -43,6 +44,8 @@ namespace ui {
 
 
 SondeView::SondeView(NavigationView& nav) {
+	
+
 	baseband::run_image(portapack::spi_flash::image_tag_sonde);
 
 	add_children({
@@ -68,8 +71,17 @@ SondeView::SondeView(NavigationView& nav) {
 		&button_see_map
 	});
 
-	// start from the frequency currently stored in the receiver_model:
-	target_frequency_ = receiver_model.tuning_frequency();
+
+	// load app settings
+	auto rc = settings.load("rx_sonde", &app_settings);
+	if(rc == SETTINGS_OK) {
+		field_lna.set_value(app_settings.lna);
+		field_vga.set_value(app_settings.vga);
+		field_rf_amp.set_value(app_settings.rx_amp);
+		target_frequency_ = app_settings.rx_frequency;
+	}
+	else target_frequency_ = receiver_model.tuning_frequency();
+
 
 	field_frequency.set_value(target_frequency_);
 	field_frequency.set_step(500);		//euquiq: was 10000, but we are using this for fine-tunning
@@ -104,16 +116,6 @@ SondeView::SondeView(NavigationView& nav) {
     receiver_model.set_sampling_rate(sampling_rate);
     receiver_model.set_baseband_bandwidth(baseband_bandwidth);
     receiver_model.enable();   // Before using radio::enable(), but not updating Ant.DC-Bias.
-	
-	/* radio::enable({        // this can be removed, previous version, no DC-bias ant. control.
-		tuning_frequency(),
-		sampling_rate,
-		baseband_bandwidth,
-		rf::Direction::Receive,
-		receiver_model.rf_amp(),
-		static_cast<int8_t>(receiver_model.lna()),
-		static_cast<int8_t>(receiver_model.vga()),
-	}); */
 
 
         // QR code with geo URI
@@ -157,9 +159,13 @@ SondeView::SondeView(NavigationView& nav) {
 }
 
 SondeView::~SondeView() {
+	// save app settings
+	app_settings.rx_frequency = target_frequency_;
+	settings.save("rx_sonde", &app_settings);
+
 	baseband::set_pitch_rssi(0, false);
-/* 	radio::disable(); */  
-    receiver_model.disable();   // to switch off all, including DC bias.
+
+    	receiver_model.disable();   // to switch off all, including DC bias.
 	baseband::shutdown();
 	audio::output::stop();
 }

firmware/application/apps/ui_sonde.hpp

@@ -34,7 +34,7 @@
 #include "log_file.hpp"
 
 #include "sonde_packet.hpp"
-
+#include "app_settings.hpp"
 #include <cstddef>
 #include <string>
 
@@ -74,6 +74,9 @@ private:
 	bool beep { false };
 
 	char geo_uri[32]  = {};
+	// app save settings
+	std::app_settings 		settings { }; 		
+	std::app_settings::AppSettings 	app_settings { };	 
 
 	sonde::GPS_data gps_info { };
 	sonde::temp_humid temp_humid_info { };

firmware/application/portapack.cpp

@@ -403,6 +403,7 @@ bool init() {
 	// if( !hackrf::cpld::load_sram() ) {
 	// 	chSysHalt();
 	// }
+	chThdSleepMilliseconds(100);
 
 	configure_pins_portapack();
 	
@@ -412,6 +413,8 @@ bool init() {
 
 	i2c0.stop();
 
+	chThdSleepMilliseconds(10);
+
 	set_clock_config(clock_config_irc);
 	cgu::pll1::disable();
 
@@ -452,9 +455,11 @@ bool init() {
 	cgu::pll1::direct();
 
 	i2c0.start(i2c_config_fast_clock);
+	chThdSleepMilliseconds(10);
 
 	touch::adc::init();
 	controls_init();
+	chThdSleepMilliseconds(10);
 
 	clock_manager.set_reference_ppb(persistent_memory::correction_ppb());
 	clock_manager.enable_first_if_clock();
@@ -465,10 +470,10 @@ bool init() {
 	sdcStart(&SDCD1, nullptr);
 	sd_card::poll_inserted();
 	
-	chThdSleepMilliseconds(1);
+	chThdSleepMilliseconds(10);
 
 	if( !portapack::cpld::update_if_necessary(portapack_cpld_config()) ) {
-		chThdSleepMilliseconds(1);
+		chThdSleepMilliseconds(10);
 		// If using a "2021/12 QFP100", press and hold the left button while booting. Should only need to do once.
 		if (load_config() != 3){
 			shutdown_base();
@@ -480,11 +485,13 @@ bool init() {
 		chSysHalt();
 	}
 
-	chThdSleepMilliseconds(1); // This delay seems to solve white noise audio issues
+	chThdSleepMilliseconds(10); // This delay seems to solve white noise audio issues
 
 	LPC_CREG->DMAMUX = portapack::gpdma_mux;
 	gpdma::controller.enable();
 
+	chThdSleepMilliseconds(10);
+
 	audio::init(portapack_audio_codec());
 	
 

firmware/application/qrcodegen.cpp

@@ -38,7 +38,7 @@
 #include <stdlib.h>
 #include <string.h>
 
-#pragma mark - Error Correction Lookup tables
+/* #pragma mark - Error Correction Lookup tables */
 
 #if LOCK_VERSION == 0
 
@@ -101,7 +101,7 @@ static int abs(int value) {
 */
 
 
-#pragma mark - Mode testing and conversion
+/* #pragma mark - Mode testing and conversion */
 
 static int8_t getAlphanumeric(char c) {
     
@@ -140,7 +140,7 @@ static bool isNumeric(const char *text, uint16_t length) {
 }
 
 
-#pragma mark - Counting
+/* #pragma mark - Counting */
 
 // We store the following tightly packed (less 8) in modeInfo
 //               <=9  <=26  <= 40
@@ -167,7 +167,7 @@ static char getModeBits(uint8_t version, uint8_t mode) {
 }
 
 
-#pragma mark - BitBucket
+/* #pragma mark - BitBucket */
 
 typedef struct BitBucket {
     uint32_t bitOffsetOrWidth;
@@ -251,7 +251,7 @@ static bool bb_getBit(BitBucket *bitGrid, uint8_t x, uint8_t y) {
 }
 
 
-#pragma mark - Drawing Patterns
+/* #pragma mark - Drawing Patterns */
 
 // XORs the data modules in this QR Code with the given mask pattern. Due to XOR's mathematical
 // properties, calling applyMask(m) twice with the same value is equivalent to no change at all.
@@ -474,7 +474,7 @@ static void drawCodewords(BitBucket *modules, BitBucket *isFunction, BitBucket *
 
 
 
-#pragma mark - Penalty Calculation
+/* #pragma mark - Penalty Calculation */
 
 #define PENALTY_N1      3
 #define PENALTY_N2      3
@@ -574,7 +574,7 @@ static uint32_t getPenaltyScore(BitBucket *modules) {
 }
 
 
-#pragma mark - Reed-Solomon Generator
+/* #pragma mark - Reed-Solomon Generator */
 
 static uint8_t rs_multiply(uint8_t x, uint8_t y) {
     // Russian peasant multiplication
@@ -628,7 +628,7 @@ static void rs_getRemainder(uint8_t degree, uint8_t *coeff, uint8_t *data, uint8
 
 
 
-#pragma mark - QrCode
+/* #pragma mark - QrCode */
 
 static int8_t encodeDataCodewords(BitBucket *dataCodewords, const uint8_t *text, uint16_t length, uint8_t version) {
     int8_t mode = MODE_BYTE;
@@ -769,7 +769,7 @@ static void performErrorCorrection(uint8_t version, uint8_t ecc, BitBucket *data
 static const uint8_t ECC_FORMAT_BITS = (0x02 << 6) | (0x03 << 4) | (0x00 << 2) | (0x01 << 0);
 
 
-#pragma mark - Public QRCode functions
+/* #pragma mark - Public QRCode functions */
 
 uint16_t qrcode_getBufferSize(uint8_t version) {
     return bb_getGridSizeBytes(4 * version + 17);
@@ -857,7 +857,7 @@ int8_t qrcode_initText(QRCode *qrcode, uint8_t *modules, uint8_t version, uint8_
 }
 
 bool qrcode_getModule(QRCode *qrcode, uint8_t x, uint8_t y) {
-    if (x < 0 || x >= qrcode->size || y < 0 || y >= qrcode->size) {
+    if ( x >= qrcode->size || y >= qrcode->size) {
         return false;
     }
 
@@ -873,4 +873,4 @@ uint8_t qrcode_getHexLength(QRCode *qrcode) {
 void qrcode_getHex(QRCode *qrcode, char *result) {
     
 }
-*/
+*/

firmware/application/ui/ui_qrcode.cpp

@@ -43,8 +43,25 @@ QRCodeImage::QRCodeImage(
 	
 }
 
+QRCodeImage::~QRCodeImage( )
+{
+
+}
+
+QRCodeImage::QRCodeImage(const QRCodeImage&Image) : Widget { }
+{
+    (void)Image;
+}
+
+QRCodeImage & QRCodeImage::operator=(const QRCodeImage&Image)
+{
+    (void)Image;
+    return *this;
+}
+
 void QRCodeImage::paint(Painter& painter) {
 
+    (void)painter ;
 
 	// The structure to manage the QR code
 	QRCode qrcode;

firmware/application/ui/ui_qrcode.hpp

@@ -40,10 +40,13 @@ public:
 		qr_text_ = qr_text;
 	}
 	void paint(Painter& painter) override;
-
+                                                   // for -weffc++ to be killed
+    ~QRCodeImage();                                // destructor 
+    QRCodeImage(const QRCodeImage&Image);
+    QRCodeImage & operator=(const QRCodeImage &Image); // assignment
 
 private:
-	const char * qr_text_ ;
+	const char * qr_text_ = NULL ;
 };
 
 class QRCodeView : public View {

firmware/application/ui_navigation.cpp

@@ -464,8 +464,11 @@ void NavigationView::focus() {
 /* ReceiversMenuView *****************************************************/
 
 ReceiversMenuView::ReceiversMenuView(NavigationView& nav) {
-	add_items({
-		//{ "..", 		ui::Color::light_grey(),&bitmap_icon_previous,	[&nav](){ nav.pop(); } },
+    if( portapack::persistent_memory::show_gui_return_icon() )
+    {
+        add_items( { { "..", ui::Color::light_grey(),&bitmap_icon_previous , [&nav](){ nav.pop(); } } } );
+    }
+    add_items( {
 		{ "ADS-B", 		ui::Color::green(),		&bitmap_icon_adsb,		[&nav](){ nav.push<ADSBRxView>(); }, },
 		//{ "ACARS", 		ui::Color::yellow(),	&bitmap_icon_adsb,		[&nav](){ nav.push<ACARSAppView>(); }, },
 		{ "AIS Boats",	ui::Color::green(),		&bitmap_icon_ais,		[&nav](){ nav.push<AISAppView>(); } },
@@ -485,16 +488,19 @@ ReceiversMenuView::ReceiversMenuView(NavigationView& nav) {
 		{ "LoRa", 		ui::Color::dark_grey(),	&bitmap_icon_lora,		[&nav](){ nav.push<NotImplementedView>(); } },
 		{ "SSTV", 		ui::Color::dark_grey(), &bitmap_icon_sstv,		[&nav](){ nav.push<NotImplementedView>(); } },
 		{ "TETRA", 		ui::Color::dark_grey(),	&bitmap_icon_tetra,		[&nav](){ nav.push<NotImplementedView>(); } },*/
-	});
-	
-	//set_highlighted(4);		// Default selection is "Audio"
+	} );
+
+	//set_highlighted(0);		// Default selection is "Audio"
 }
 
 /* TransmittersMenuView **************************************************/
 
 TransmittersMenuView::TransmittersMenuView(NavigationView& nav) {
-	add_items({
-		//{ "..",				ui::Color::light_grey(),&bitmap_icon_previous,	[&nav](){ nav.pop(); } },
+    if( portapack::persistent_memory::show_gui_return_icon() )
+    {
+        add_items( { { "..", ui::Color::light_grey(),&bitmap_icon_previous , [&nav](){ nav.pop(); } } } );
+    }
+    add_items({
 		{ "ADS-B [S]",		ui::Color::yellow(), 	&bitmap_icon_adsb,		[&nav](){ nav.push<ADSBTxView>(); } },
 		{ "APRS", 			ui::Color::green(),		&bitmap_icon_aprs,		[&nav](){ nav.push<APRSTXView>(); } },
 		{ "BHT Xy/EP", 		ui::Color::green(), 	&bitmap_icon_bht,		[&nav](){ nav.push<BHTView>(); } },
@@ -519,17 +525,20 @@ TransmittersMenuView::TransmittersMenuView(NavigationView& nav) {
 /* UtilitiesMenuView *****************************************************/
 
 UtilitiesMenuView::UtilitiesMenuView(NavigationView& nav) {
+    if( portapack::persistent_memory::show_gui_return_icon() )
+    {
+        add_items( { { "..", ui::Color::light_grey(),&bitmap_icon_previous , [&nav](){ nav.pop(); } } } );
+    }
 	add_items({
 		//{ "Test app", 		ui::Color::dark_grey(),	nullptr,				[&nav](){ nav.push<TestView>(); } },
-		//{ "..", 			ui::Color::light_grey(),&bitmap_icon_previous,		[&nav](){ nav.pop(); } },
-		{ "Freq manager",	ui::Color::green(), 	&bitmap_icon_freqman,		[&nav](){ nav.push<FrequencyManagerView>(); } },
+		{ "Freq. manager",	ui::Color::green(), 	&bitmap_icon_freqman,		[&nav](){ nav.push<FrequencyManagerView>(); } },
 		{ "File manager", 	ui::Color::yellow(),	&bitmap_icon_dir,			[&nav](){ nav.push<FileManagerView>(); } },
 		//{ "Notepad",		ui::Color::dark_grey(),	&bitmap_icon_notepad,		[&nav](){ nav.push<NotImplementedView>(); } },
 		{ "Signal gen", 	ui::Color::green(), 	&bitmap_icon_cwgen,			[&nav](){ nav.push<SigGenView>(); } },
 		//{ "Tone search",	ui::Color::dark_grey(), nullptr,					[&nav](){ nav.push<ToneSearchView>(); } },
-		{ "Wave viewer",	ui::Color::yellow(),	&bitmap_icon_soundboard,	[&nav](){ nav.push<ViewWavView>(); } },
+		{ "WAV viewer",	ui::Color::yellow(),	&bitmap_icon_soundboard,	[&nav](){ nav.push<ViewWavView>(); } },
 		{ "Antenna length",	ui::Color::green(),		&bitmap_icon_tools_antenna,	[&nav](){ nav.push<WhipCalcView>(); } },
-		{ "Wipe SD card",	ui::Color::red(),		&bitmap_icon_tools_wipesd,	[&nav](){ nav.push<WipeSDView>(); } },
+		{ "Wipe SD Card",	ui::Color::red(),		&bitmap_icon_tools_wipesd,	[&nav](){ nav.push<WipeSDView>(); } },
 	});
 	set_max_rows(2); // allow wider buttons
 }
@@ -553,12 +562,12 @@ SystemMenuView::SystemMenuView(NavigationView& nav) {
 		{ "Transmit", 	ui::Color::cyan(),			&bitmap_icon_transmit,	[&nav](){ nav.push<TransmittersMenuView>(); } },
 		{ "Capture",	ui::Color::red(),			&bitmap_icon_capture,	[&nav](){ nav.push<CaptureAppView>(); } },
 		{ "Replay",		ui::Color::green(),			&bitmap_icon_replay,	[&nav](){ nav.push<ReplayAppView>(); } },
-		{ "Calls",		ui::Color::yellow(),	    &bitmap_icon_search,	[&nav](){ nav.push<SearchView>(); } },
+		{ "Search",		ui::Color::yellow(),	    &bitmap_icon_search,	[&nav](){ nav.push<SearchView>(); } },
 		{ "Scanner",	ui::Color::yellow(),			&bitmap_icon_scanner,	[&nav](){ nav.push<ScannerView>(); } },
 		{ "Microphone",	ui::Color::yellow(),		&bitmap_icon_microphone,[&nav](){ nav.push<MicTXView>(); } },
 		{ "Looking Glass",	ui::Color::yellow(),		&bitmap_icon_looking,	[&nav](){ nav.push<GlassView>(); } },
-		{ "Tools",		ui::Color::cyan(),			&bitmap_icon_utilities,	[&nav](){ nav.push<UtilitiesMenuView>(); } },
-		{ "Options", 	ui::Color::cyan(),			&bitmap_icon_setup,	  	[&nav](){ nav.push<SettingsMenuView>(); } },
+		{ "Utilities",		ui::Color::cyan(),			&bitmap_icon_utilities,	[&nav](){ nav.push<UtilitiesMenuView>(); } },
+		{ "Settings", 	ui::Color::cyan(),			&bitmap_icon_setup,	  	[&nav](){ nav.push<SettingsMenuView>(); } },
 		{ "Debug",		ui::Color::light_grey(),	&bitmap_icon_debug,		[&nav](){ nav.push<DebugMenuView>(); } },
 		{ "HackRF", 	ui::Color::cyan(),			&bitmap_icon_hackrf,	[this, &nav](){ hackrf_mode(nav); } },
 		//{ "About", 		ui::Color::cyan(),			nullptr,				[&nav](){ nav.push<AboutView>(); } }

firmware/application/ui_navigation.hpp

@@ -248,14 +248,14 @@ namespace ui
 	{
 	public:
 		ReceiversMenuView(NavigationView &nav);
-		std::string title() const override { return "Receivers"; };
+		std::string title() const override { return "Receive"; };
 	};
 
 	class TransmittersMenuView : public BtnGridView
 	{
 	public:
 		TransmittersMenuView(NavigationView &nav);
-		std::string title() const override { return "Transmitters"; };
+		std::string title() const override { return "Transmit"; };
 	};
 
 	class UtilitiesMenuView : public BtnGridView

firmware/application/ui_sd_card_debug.hpp

@@ -38,6 +38,8 @@ public:
 
 	void focus() override;
 
+	std::string title() const override { return "SD Card"; };
+
 private:
 	SignalToken sd_card_status_signal_token { };
 

firmware/baseband/dsp_hilbert.hpp

@@ -35,8 +35,8 @@ public:
 
 private:
 	uint8_t			n = 0;
-	SOSFilter<5>	sos_i;
-	SOSFilter<5>	sos_q;
+	SOSFilter<5>	sos_i = {};
+	SOSFilter<5>	sos_q = {};
 };
 
 } /* namespace dsp */

firmware/baseband/proc_adsbrx.cpp

@@ -120,7 +120,7 @@ void ADSBRXProcessor::execute(const buffer_c8_t& buffer) {
 			// the high levels as signals can be out of phase so part of the
 			// energy can be in the near samples
 			int32_t thisAmp = (shifter[1] + shifter[3] + shifter[8] + shifter[10]);
-			int32_t high = thisAmp / 9;
+			uint32_t high = thisAmp / 9;
 			if (
 				shifter[5] < high &&
 				shifter[6] < high &&

firmware/baseband/proc_aprsrx.hpp

@@ -125,18 +125,18 @@ private:
 	uint32_t sample_bits { 0 };
 	uint32_t phase { }, phase_inc { };
 	int32_t sample_mixed { }, prev_mixed { }, sample_filtered { }, prev_filtered { };
-	uint8_t last_bit;
-	uint8_t ones_count = 0;
+	uint8_t last_bit = 0;
+	uint8_t ones_count = 0 ;
 	uint8_t current_byte = 0;
 	uint8_t byte_index = 0;
 	uint8_t packet_buffer[256];
 	size_t packet_buffer_size = 0;
 
 	bool configured { false };
-	bool wait_start { };
-	bool bit_value { };
+	bool wait_start { 0 };
+	bool bit_value { 0 };
 
-	aprs::APRSPacket aprs_packet;
+	aprs::APRSPacket aprs_packet { };
 
 	void configure(const APRSRxConfigureMessage& message);
 	void capture_config(const CaptureConfigMessage& message);

firmware/baseband/proc_mictx.hpp

@@ -51,7 +51,7 @@ private:
 	AudioInput audio_input { };
 	ToneGen tone_gen { };
 	ToneGen beep_gen { };
-	dsp::modulate::Modulator *modulator;
+	dsp::modulate::Modulator *modulator = NULL ;
 
 	bool am_enabled { false };
 	bool fm_enabled { true };

firmware/baseband/proc_pocsag.hpp

@@ -68,6 +68,16 @@ public:
 		delete[] m_lastVals;
 	}
 
+    SmoothVals(const SmoothVals<float, float>&)
+    {
+
+    }
+
+    SmoothVals & operator=(const SmoothVals<float, float>&)
+    {
+        return *this ;
+    }
+
 	// --------------------------------------------------
 	// Set size of smoothing
 	// --------------------------------------------------
@@ -154,7 +164,7 @@ private:
 	dsp::decimate::FIRC16xR16x32Decim8 decim_1 { };
 	dsp::decimate::FIRAndDecimateComplex channel_filter { };
 	dsp::demodulate::FM demod { };
-	SmoothVals<float, float> smooth;
+	SmoothVals<float, float> smooth = { };
 	
 	AudioOutput audio_output { };
 

firmware/common/acars_packet.cpp

@@ -84,7 +84,7 @@ bool Packet::crc_ok() const {
 		acars_fcs.process_byte(field_crc.read(i, 8));
 	}
 
-	return (acars_fcs.checksum() == field_crc.read(data_length(), fcs_length));
+	return (acars_fcs.checksum() == (unsigned)field_crc.read(data_length(), fcs_length));
 }
 
 size_t Packet::data_and_fcs_length() const {

firmware/common/ais_packet.cpp

@@ -191,7 +191,7 @@ bool Packet::crc_ok() const {
 		ais_fcs.process_byte(field_crc.read(i, 8));
 	}
 
-	return (ais_fcs.checksum() == field_crc.read(data_length(), fcs_length));
+	return (ais_fcs.checksum() == (unsigned)field_crc.read(data_length(), fcs_length));
 }
 
 size_t Packet::data_and_fcs_length() const {

firmware/common/aprs_packet.hpp

@@ -259,7 +259,7 @@ private:
 	bool valid_checksum = false;
 	uint8_t payload[256];
 	char address_buffer[15];
-	uint8_t payload_size;
+	uint8_t payload_size = 0 ;
 	Timestamp timestamp_ { };
 
 	float parse_lat_str_cmp(const std::string& lat_str){

firmware/common/portapack_persistent_memory.cpp

@@ -200,44 +200,32 @@ void set_serial_format(const serial_format_t new_value) {
 	data->serial_format = new_value;
 }
 
-/* static constexpr uint32_t playdead_magic = 0x88d3bb57;
-
-uint32_t playing_dead() {
-	return data->playing_dead;
-}
-
-void set_playing_dead(const uint32_t new_value) {
-	if( data->playdead_magic != playdead_magic ) {
-		set_playdead_sequence(0x8D1);	// U D L R
-	}
-	data->playing_dead = new_value;
-}
-
-uint32_t playdead_sequence() {
-	if( data->playdead_magic != playdead_magic ) {
-		set_playdead_sequence(0x8D1);	// U D L R
-	}
-	return data->playdead_sequence;
-}
-
-void set_playdead_sequence(const uint32_t new_value) {
-	data->playdead_sequence = new_value;
-	data->playdead_magic = playdead_magic;
-} */
-
 // ui_config is an uint32_t var storing information bitwise
-// bits 0,1,2 store the backlight timer
-// bits 31, 30,29,28,27, 26, 25, 24 stores the different single bit configs depicted below
-// bits on position 4 to 19 (16 bits) store the clkout frequency
+// bits 0-2 store the backlight timer
+// bits 4-19 (16 bits) store the clkout frequency
+// bits 21-31 store the different single bit configs depicted below
+// bit 20 store the display state of the gui return icon, hidden (0) or shown (1)
 
-bool disable_touchscreen() { // Option to disable touch screen
-	return data->ui_config & (1 << 24);
+bool show_gui_return_icon(){ // add return icon in touchscreen menue
+return data->ui_config & (1 << 20);
+}
+
+bool load_app_settings() { // load (last saved) app settings on startup of app
+	return data->ui_config & (1 << 21);
+}
+
+bool save_app_settings() { // save app settings when closing app
+	return data->ui_config & (1 << 22);
 }
   
 bool show_bigger_qr_code() { // show bigger QR code
 	return data->ui_config & (1 << 23);
 }
 
+bool disable_touchscreen() { // Option to disable touch screen
+	return data->ui_config & (1 << 24);
+}
+
 bool hide_clock() { // clock hidden from main menu
 	return data->ui_config & (1 << 25);
 }
@@ -274,14 +262,26 @@ uint32_t config_backlight_timer() {
 	return timer_seconds[data->ui_config & 7]; //first three bits, 8 possible values
 }
 
-void set_disable_touchscreen(bool v) {
-	data->ui_config = (data->ui_config & ~(1 << 24)) | (v << 24);
+void set_gui_return_icon(bool v) {
+	data->ui_config = (data->ui_config & ~(1 << 20)) | (v << 20);
 }
-  
+
+void set_load_app_settings(bool v) {
+	data->ui_config = (data->ui_config & ~(1 << 21)) | (v << 21);
+}
+
+void set_save_app_settings(bool v) {
+	data->ui_config = (data->ui_config & ~(1 << 22)) | (v << 22);
+}
+
 void set_show_bigger_qr_code(bool v) {
 	data->ui_config = (data->ui_config & ~(1 << 23)) | (v << 23);
 }
 
+void set_disable_touchscreen(bool v) {
+	data->ui_config = (data->ui_config & ~(1 << 24)) | (v << 24);
+}
+
 void set_clock_hidden(bool v) {
 	data->ui_config = (data->ui_config & ~(1 << 25)) | (v << 25);
 }

firmware/common/portapack_persistent_memory.hpp

@@ -78,6 +78,9 @@ uint8_t config_cpld();
 void set_config_cpld(uint8_t i);
 
 bool config_splash();
+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();
@@ -86,8 +89,11 @@ bool config_speaker();
 uint32_t config_backlight_timer();
 bool disable_touchscreen();
 
-void set_config_splash(bool v);
+void set_gui_return_icon(bool v);
+void set_load_app_settings(bool v);
+void set_save_app_settings(bool v);
 void set_show_bigger_qr_code(bool v);
+void set_config_splash(bool v);
 void set_clock_hidden(bool v);
 void set_clock_with_date(bool v);
 void set_config_login(bool v);

firmware/common/tpms_packet.cpp

@@ -40,7 +40,7 @@ Optional<Reading> Packet::reading_fsk_19k2_schrader() const {
 	case 64:
 		return Reading {
 			Reading::Type::FLM_64,
-			reader_.read(0, 32),
+			(uint32_t)reader_.read(0, 32),
 			Pressure { static_cast<int>(reader_.read(32, 8)) * 4 / 3 },
 			Temperature { static_cast<int>(reader_.read(40, 8) & 0x7f) - 56 }
 		};
@@ -48,7 +48,7 @@ Optional<Reading> Packet::reading_fsk_19k2_schrader() const {
 	case 72:
 		return Reading {
 			Reading::Type::FLM_72,
-			reader_.read(0, 32),
+			(uint32_t)reader_.read(0, 32),
 			Pressure { static_cast<int>(reader_.read(40, 8)) * 4 / 3 },
 			Temperature { static_cast<int>(reader_.read(48, 8)) - 56 }
 		};
@@ -56,7 +56,7 @@ Optional<Reading> Packet::reading_fsk_19k2_schrader() const {
 	case 80:
 		return Reading {
 			Reading::Type::FLM_80,
-			reader_.read(8, 32),
+			(uint32_t)reader_.read(8, 32),
 			Pressure { static_cast<int>(reader_.read(48, 8)) * 4 / 3 },
 			Temperature { static_cast<int>(reader_.read(56, 8)) - 56 }
 		};
@@ -85,7 +85,7 @@ Optional<Reading> Packet::reading_ook_8k192_schrader() const {
 	if( (checksum_calculated & 3) == 3 ) {
 		return Reading {
 			Reading::Type::Schrader,
-			reader_.read(3, 24),
+			(uint32_t)reader_.read(3, 24),
 			Pressure { static_cast<int>(reader_.read(27, 8)) * 4 / 3 },
 			{ },
 			Flags { static_cast<Flags>((flags << 4) | checksum) }
@@ -122,7 +122,7 @@ Optional<Reading> Packet::reading_ook_8k4_schrader() const {
 	if( checksum_calculated == checksum ) {
 		return Reading {
 			Reading::Type::GMC_96,
-			id,
+			(uint32_t)id,
 			Pressure { static_cast<int>(value_1) * 4 / 3 },
 			Temperature { static_cast<int>(value_0) - 56 }
 		};

firmware/common/tpms_packet.hpp

@@ -39,7 +39,7 @@ namespace tpms {
 
 using Flags = uint8_t;
 
-enum SignalType : uint32_t {
+enum SignalType {
 	FSK_19k2_Schrader = 1,
 	OOK_8k192_Schrader = 2,
 	OOK_8k4_Schrader = 3,

firmware/tools/convert_C16_to_complex.grc

@@ -0,0 +1,117 @@
+options:
+  parameters:
+    author: ''
+    category: Custom
+    cmake_opt: ''
+    comment: ''
+    copyright: ''
+    description: ''
+    gen_cmake: 'On'
+    gen_linking: dynamic
+    generate_options: no_gui
+    hier_block_src_path: '.:'
+    id: top_block
+    max_nouts: '0'
+    output_language: python
+    placement: (0,0)
+    qt_qss_theme: ''
+    realtime_scheduling: ''
+    run: 'True'
+    run_command: '{python} -u {filename}'
+    run_options: run
+    sizing_mode: fixed
+    thread_safe_setters: ''
+    title: ''
+    window_size: ''
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [8, 8]
+    rotation: 0
+    state: enabled
+
+blocks:
+- name: blocks_file_sink_0
+  id: blocks_file_sink
+  parameters:
+    affinity: ''
+    alias: ''
+    append: 'False'
+    comment: ''
+    file: /tmp/foo.cfile
+    type: complex
+    unbuffered: 'False'
+    vlen: '1'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [632, 140.0]
+    rotation: 0
+    state: enabled
+- name: blocks_file_source_0
+  id: blocks_file_source
+  parameters:
+    affinity: ''
+    alias: ''
+    begin_tag: pmt.PMT_NIL
+    comment: ''
+    file: Porpack_Capture.C16
+    length: '0'
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    offset: '0'
+    repeat: 'False'
+    type: short
+    vlen: '1'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [64, 124.0]
+    rotation: 0
+    state: enabled
+- name: blocks_interleaved_short_to_complex_0
+  id: blocks_interleaved_short_to_complex
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    swap: 'False'
+    vector_input: 'False'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [272, 156.0]
+    rotation: 0
+    state: enabled
+- name: blocks_multiply_const_vxx_0
+  id: blocks_multiply_const_vxx
+  parameters:
+    affinity: ''
+    alias: ''
+    comment: ''
+    const: ' 1.0 / 32768.0'
+    maxoutbuf: '0'
+    minoutbuf: '0'
+    type: complex
+    vlen: '1'
+  states:
+    bus_sink: false
+    bus_source: false
+    bus_structure: null
+    coordinate: [448, 156.0]
+    rotation: 0
+    state: true
+
+connections:
+- [blocks_file_source_0, '0', blocks_interleaved_short_to_complex_0, '0']
+- [blocks_interleaved_short_to_complex_0, '0', blocks_multiply_const_vxx_0, '0']
+- [blocks_multiply_const_vxx_0, '0', blocks_file_sink_0, '0']
+
+metadata:
+  file_format: 1