Working pmem load flag checkbox

firmware/application/apps/ui_settings.cpp

@@ -394,6 +394,79 @@ void SetConverterSettingsView::focus() {
 		button_save.focus();
 	}
 
+	// ---------------------------------------------------------
+	// Persistent Memory Settings
+	// ---------------------------------------------------------
+	SetPersistentMemoryView::SetPersistentMemoryView(NavigationView& nav) {
+		add_children({
+				&text_pmem_about,
+				&text_pmem_informations,
+				&text_pmem_status,
+				&check_load_mem_at_startup,
+				&button_save_mem_to_file,
+				&button_load_mem_from_file,
+				&button_return
+				});
+
+		bool load_mem_at_startup = false ;
+		File pmem_flag_file_handle ;
+		std::string pmem_flag_file = "/SETTINGS/PMEM_FILEFLAG" ;
+		auto result = pmem_flag_file_handle.open(pmem_flag_file);	
+		if(!result.is_valid()) 
+		{
+			load_mem_at_startup = true ;
+		}
+		check_load_mem_at_startup.set_value(load_mem_at_startup);
+		check_load_mem_at_startup.on_select = [this](Checkbox&, bool v) {
+			File pmem_flag_file_handle ;
+			std::string pmem_flag_file = "/SETTINGS/PMEM_FILEFLAG" ;
+			if( v )
+			{
+				auto result = pmem_flag_file_handle.open(pmem_flag_file);	
+				if(result.is_valid()) 
+				{
+					auto result = pmem_flag_file_handle.create(pmem_flag_file); //third: create if it is not there
+					if( !result.is_valid() )
+					{
+						text_pmem_status.set("pmem flag file created!");
+					}
+					else
+					{
+						text_pmem_status.set("err. creating pmem flag file");
+					}
+				}
+				else
+				{
+					text_pmem_status.set("pmem flag already present");
+				}
+			}
+			else
+			{
+				auto result = delete_file( pmem_flag_file );
+				if( result != 0 )
+				{
+					text_pmem_status.set("err. deleting pmem flag file");
+				}
+				else
+				{
+					text_pmem_status.set("pmem flag file deleted!");
+				}
+			}
+		};
+
+		button_return.on_select = [&nav, this](Button&) {
+			nav.pop();
+		};
+	}
+
+	void SetPersistentMemoryView::focus() {
+		button_return.focus();
+	}
+
+	//
+	// Audio settings
+	//
+
 	SetAudioView::SetAudioView(NavigationView& nav) {
 		add_children({
 				&labels,
@@ -458,7 +531,8 @@ SettingsMenuView::SettingsMenuView(NavigationView& nav) {
 				{ "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>(); } },
 				{ "Converter",      ui::Color::dark_cyan(), &bitmap_icon_options_radio,    [&nav](){ nav.push<SetConverterSettingsView>(); } },
-		{ "QR Code",        ui::Color::dark_cyan(), &bitmap_icon_qr_code,          [&nav](){ nav.push<SetQRCodeView>(); } }
+				{ "QR Code",        ui::Color::dark_cyan(), &bitmap_icon_qr_code,          [&nav](){ nav.push<SetQRCodeView>(); } },
+				{ "P.Memory Mgmt",      ui::Color::dark_cyan(), &bitmap_icon_memory,       [&nav](){ nav.push<SetPersistentMemoryView>(); } },
 				});
 		set_max_rows(2); // allow wider buttons
 	}

firmware/application/apps/ui_settings.hpp

@@ -432,6 +432,54 @@ private:
 	};
 };
 
+class SetPersistentMemoryView : public View {
+public:
+	SetPersistentMemoryView(NavigationView& nav);
+	
+	void focus() override;
+	
+	std::string title() const override { return "Mem Mgmt"; };
+	
+private:
+
+	Text text_pmem_about {
+		{ 0, 1 * 16, 240 , 16 },
+		"PersistentMemory from/to SD"
+	};
+
+	Text text_pmem_informations {
+		{ 0, 2 * 16, 240 , 16 },
+		"use: when no/dead coin bat."
+	};
+
+	Text text_pmem_status {
+		{ 0, 3 * 16, 240 , 16 },
+		""
+	};
+
+    Checkbox check_load_mem_at_startup {
+		{ 18, 6 * 16},
+		19,
+		"load from sd at startup"
+	};
+
+	Button button_save_mem_to_file {
+		{ 0, 9 * 16, 240, 32 },
+		"save p.mem to sdcard"
+	};
+	
+	Button button_load_mem_from_file {
+		{ 0, 12 * 16, 240, 32 },
+		"load p.mem from sdcard"
+	};
+	
+	Button button_return {
+		{ 16 * 8, 16 * 16, 12 * 8, 32 },
+		"Return",
+	};
+};
+
+
 class SettingsMenuView : public BtnGridView {
 public:
 	SettingsMenuView(NavigationView& nav);