Encoders, Nuoptix DTMF and RDS transmitters now use TransmitterView

Bigger buttons in AlphanumView, 3 pages
Scary yellow stripes around TransmitterView

firmware/application/bitmap.hpp

@@ -117,6 +117,20 @@ static constexpr Bitmap bitmap_icon_unistroke {
 	{ 16, 16 }, bitmap_icon_unistroke_data
 };
 
+static constexpr uint8_t bitmap_stripes_data[] = {
+	0xFF, 0x03, 0xC0, 
+	0xFF, 0x01, 0xE0, 
+	0xFF, 0x00, 0xF0, 
+	0x7F, 0x00, 0xF8, 
+	0x3F, 0x00, 0xFC, 
+	0x1F, 0x00, 0xFE, 
+	0x0F, 0x00, 0xFF, 
+	0x07, 0x80, 0xFF, 
+};
+static constexpr Bitmap bitmap_stripes {
+	{ 24, 8 }, bitmap_stripes_data
+};
+
 static constexpr uint8_t bitmap_icon_adsb_data[] = {
 	0x80, 0x01, 
 	0xC0, 0x03, 

firmware/application/main.cpp

@@ -23,7 +23,8 @@
 // Color bitmaps generated with:
 // Gimp image > indexed colors (16), then "xxd -i *.bmp"
 
-//BUG: POCSAG TX: Chops off the few last chars on long messages ?
+//BUG: RDS Radiotext is not recognized in Redsea (and car radio)
+//BUG: POCSAG TX: Chops off the last few chars on long messages ?
 //BUG: (fixed ?) POCSAG: Bad console scroll init
 //BUG: (fixed ?) POCSAG misses alphanum messages, cuts them off sometimes
 //BUG: Check AFSK transmit end, skips last bits ?
@@ -32,7 +33,7 @@
 //TEST: Imperial in whipcalc
 //TEST: Numbers
 
-//TODO: Use TransmitterView everywhere possible
+//TODO: Use TransmitterView in ADSB, Morse, TEDI/LCR, Numbers, whistle, jammer...
 //TODO: FreqMan: Add and rename categories
 //TODO: FreqMan: Sort by category in edit screen
 //TODO: FreqMan: Cap entry count per category (only done for total entries right now)

firmware/application/pocsag_app.hpp

@@ -57,9 +57,6 @@ public:
 	~POCSAGAppView();
 
 	void set_parent_rect(const Rect new_parent_rect) override;
-
-	void paint(Painter&) override { };
-
 	void focus() override;
 
 	std::string title() const override { return "POCSAG RX"; };

firmware/application/ui_alphanum.cpp

@@ -31,9 +31,8 @@
 using namespace hackrf::one;
 
 namespace ui {
-	
-void AlphanumView::paint(Painter& painter) {
-	(void)painter;
+
+void AlphanumView::paint(Painter&) {
 	move_cursor();
 }
 	
@@ -43,21 +42,8 @@ AlphanumView::AlphanumView(
 	size_t max_length
 ) : _max_length(max_length)
 {
-	_lowercase = false;
 	size_t n;
 	
-	static constexpr Style style_alpha {
-		.font = font::fixed_8x16,
-		.background = Color::black(),
-		.foreground = Color(255, 63, 63)
-	};
-	
-	static constexpr Style style_num {
-		.font = font::fixed_8x16,
-		.background = Color::black(),
-		.foreground = Color(191, 191, 31)
-	};
-	
 	txtidx = strlen(txt);
 	memcpy(txtinput, txt, _max_length + 1);
 	n = txtidx;
@@ -68,8 +54,9 @@ AlphanumView::AlphanumView(
 	
 	add_children({
 		&text_input,
-		&button_lowercase,
-		&raw_char,
+		&button_mode,
+		&text_raw,
+		&field_raw,
 		&button_ok
 	});
 
@@ -82,33 +69,21 @@ AlphanumView::AlphanumView(
 		button.on_select = button_fn;
 		button.set_parent_rect({
 			static_cast<Coord>((n % 5) * (240 / 5)),
-			static_cast<Coord>((n / 5) * 28 + 24),
-			240 / 5, 28
+			static_cast<Coord>((n / 5) * 38 + 24),
+			240 / 5, 38
 		});
-		if ((n < 10) || (n == 39))
-			button.set_style(&style_num);
-		else
-			button.set_style(&style_alpha);
 		add_child(&button);
 		n++;
 	}
-	set_keys(keys_upper);
+	set_mode(mode);
 	
-	button_lowercase.on_select = [this, &nav](Button&) {
-		if (_lowercase == true) {
-			_lowercase = false;
-			button_lowercase.set_text("UC");
-			set_keys(keys_upper);
-		} else {
-			_lowercase = true;
-			button_lowercase.set_text("LC");
-			set_keys(keys_lower);
-		}
+	button_mode.on_select = [this, &nav](Button&) {
+		set_mode(mode + 1);
 	};
 	
-	raw_char.set_value('0');
-	raw_char.on_select = [this, &nav](NumberField&) {
-		char_add(raw_char.value());
+	field_raw.set_value('0');
+	field_raw.on_select = [this, &nav](NumberField&) {
+		char_add(field_raw.value());
 		update_text();
 	};
 
@@ -124,7 +99,7 @@ AlphanumView::AlphanumView(
 void AlphanumView::move_cursor() {
 	Point cursor_pos;
 	
-	cursor_pos = {text_input.screen_rect().location().x() + (txtidx * 8),
+	cursor_pos = {text_input.screen_rect().location().x() + (Coord)(txtidx * 8),
 					text_input.screen_rect().location().y() + 16};
 	
 	portapack::display.fill_rectangle(
@@ -137,9 +112,16 @@ void AlphanumView::move_cursor() {
 	);
 }
 
-void AlphanumView::set_keys(const char * const key_list) {
+void AlphanumView::set_mode(const uint32_t new_mode) {
 	size_t n = 0;
 	
+	if (new_mode < 3)
+		mode = new_mode;
+	else
+		mode = 0;
+	
+	const char * key_list = pages[mode].second;
+	
 	for (auto& button : buttons) {
 		const std::string label {
 			key_list[n]
@@ -147,6 +129,11 @@ void AlphanumView::set_keys(const char * const key_list) {
 		button.set_text(label);
 		n++;
 	}
+	
+	if (mode < 2)
+		button_mode.set_text(pages[mode + 1].first);
+	else
+		button_mode.set_text(pages[0].first);
 }
 
 void AlphanumView::focus() {

firmware/application/ui_alphanum.hpp

@@ -52,17 +52,24 @@ public:
 	std::string title() const override { return "Text entry"; };
 
 private:
-	const char * const keys_upper = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ. !<";
-	const char * const keys_lower = "0123456789abcdefghijklmnopqrstuvwxyz:=?<";
+	const char * const keys_upper = "ABCDEFGHIJKLMNOPQRSTUVWXYZ' .<";
+	const char * const keys_lower = "abcdefghijklmnopqrstuvwxyz' .<";
+	const char * const keys_digit = "0123456789!\"#'()*+-/:;=>?@[\\]<";
+	
+	const std::pair<std::string, const char *> pages[3] = {
+		{ "Upper", keys_upper },
+		{ "Lower", keys_lower },
+		{ "Digit", keys_digit }
+	};
 	
 	size_t _max_length { };
-	uint8_t txtidx { 0 };
-	bool _lowercase = false;
+	uint32_t txtidx { 0 };
+	uint32_t mode = 0;				// Upper
 	char txtinput[29] = { 0 };		// 28 chars max
 	
 	void char_add(const char c);
 	void char_delete();
-	void set_keys(const char * const key_list);
+	void set_mode(const uint32_t new_mode);
 	void move_cursor();
 	void on_button(Button& button);
 	void update_text();
@@ -71,15 +78,19 @@ private:
 		{ 8, 0, 232, 16 }
 	};
 
-	std::array<Button, 40> buttons { };
+	std::array<Button, 30> buttons { };
 
-	Button button_lowercase {
-		{ 21 * 8, 270, 32, 24 },
-		"UC"
+	Button button_mode {
+		{ 21 * 8, 33 * 8, 8 * 8, 32 },
+		""
 	};
 	
-	NumberField raw_char {
-		{ 16, 270 },
+	Text text_raw {
+		{ 1 * 8, 33 * 8, 4 * 8, 16 },
+		"Raw:"
+	};
+	NumberField field_raw {
+		{ 5 * 8, 33 * 8 },
 		3,
 		{ 1, 255 },
 		1,
@@ -87,7 +98,7 @@ private:
 	};
 
 	Button button_ok {
-		{ 88, 270, 64, 24 },
+		{ 10 * 8, 33 * 8, 9 * 8, 32 },
 		"OK"
 	};
 };

firmware/application/ui_encoders.cpp

@@ -143,6 +143,7 @@ void EncodersView::on_txdone(int n, const bool txdone) {
 			tx_mode = IDLE;
 			text_status.set("Done");
 			progress.set_value(0);
+			tx_view.set_transmitting(false);
 		//}
 	}
 }
@@ -154,6 +155,7 @@ void EncodersView::on_tuning_frequency_changed(rf::Frequency f) {
 void EncodersView::start_tx(const bool scan) {
 	char ook_bitstream[256];
 	uint32_t ook_bitstream_length;
+	(void)scan;
 	
 	/*if (scan) {
 		if (tx_mode != SCAN) {
@@ -263,7 +265,6 @@ EncodersView::EncodersView(NavigationView& nav) {
 	encoder_def = &encoder_defs[0];
 
 	add_children({
-		&field_frequency,
 		&text_enctype,
 		&options_enctype,
 		&text_clk,
@@ -284,23 +285,9 @@ EncodersView::EncodersView(NavigationView& nav) {
 		&waveform,
 		&text_status,
 		&progress,
-		&button_transmit
+		&tx_view
 	});
 	
-	field_frequency.set_value(transmitter_model.tuning_frequency());
-	field_frequency.set_step(50000);
-	field_frequency.on_change = [this](rf::Frequency f) {
-		this->on_tuning_frequency_changed(f);
-	};
-	field_frequency.on_edit = [this, &nav]() {
-		// TODO: Provide separate modal method/scheme?
-		auto new_view = nav.push<FrequencyKeypadView>(transmitter_model.tuning_frequency());
-		new_view->on_changed = [this](rf::Frequency f) {
-			this->on_tuning_frequency_changed(f);
-			this->field_frequency.set_value(f);
-		};
-	};
-	
 	// Load encoder types
 	for (i = 0; i < ENC_TYPES_COUNT; i++)
 		enc_options.emplace_back(std::make_pair(encoder_defs[i].name, i));
@@ -317,8 +304,6 @@ EncodersView::EncodersView(NavigationView& nav) {
 		this->generate_frame();
 	};
 	
-	button_transmit.set_style(&style_val);
-	
 	// Selecting input clock changes symbol and word duration
 	numberfield_clk.on_change = [this](int32_t value) {
 		//int32_t new_value = 1000000 / (((float)value * 1000) / encoder_def->clk_per_symbol);
@@ -347,9 +332,21 @@ EncodersView::EncodersView(NavigationView& nav) {
 			numberfield_clk.set_value(1000000 / (((float)new_value * 1000) / encoder_def->clk_per_symbol), false);
 		}
 	};
-
-	button_transmit.on_select = [this, &nav](Button&) {
-		if (tx_mode == IDLE) start_tx(false);
+	
+	tx_view.on_edit_frequency = [this, &nav]() {
+		auto new_view = nav.push<FrequencyKeypadView>(receiver_model.tuning_frequency());
+		new_view->on_changed = [this](rf::Frequency f) {
+			receiver_model.set_tuning_frequency(f);
+		};
+	};
+	
+	tx_view.on_start = [this]() {
+		tx_view.set_transmitting(true);
+		start_tx(false);
+	};
+	
+	tx_view.on_stop = [this]() {
+		tx_view.set_transmitting(false);
 	};
 }
 

firmware/application/ui_encoders.hpp

@@ -25,6 +25,7 @@
 #include "ui_navigation.hpp"
 #include "ui_font_fixed_8x16.hpp"
 #include "ui_receiver.hpp"
+#include "ui_transmitter.hpp"
 #include "encoders.hpp"
 #include "message.hpp"
 #include "transmitter_model.hpp"
@@ -58,14 +59,14 @@ private:
 	};
 	
 	uint8_t enc_type = 0;
-	const encoder_def_t * encoder_def;
+	const encoder_def_t * encoder_def { };
 	tx_modes tx_mode = IDLE;
 	//bool abort_scan = false;
 	//uint8_t scan_count;
 	//double scan_progress;
 	//unsigned int scan_index;
 	std::string debug_text = "0";
-	uint8_t repeat_index;
+	uint8_t repeat_index { 0 };
 	int8_t waveform_buffer[512];
 	
 	void draw_waveform();
@@ -98,10 +99,6 @@ private:
 		.foreground = Color::blue(),
 	};
 	
-	FrequencyField field_frequency {
-		{ 1 * 8, 4 },
-	};
-	
 	Text text_enctype {
 		{ 1 * 8, 32, 5 * 8, 16 },
 		"Type:"
@@ -193,16 +190,17 @@ private:
 	};
 	
 	Text text_status {
-		{ 2 * 8, 224, 128, 16 },
+		{ 2 * 8, 13 * 16, 128, 16 },
 		"Ready"
 	};
 	ProgressBar progress {
-		{ 16, 224 + 20, 208, 16 }
+		{ 2 * 8, 13 * 16 + 20, 208, 16 }
 	};
 	
-	Button button_transmit {
-		{ 16, 270, 80, 32 },
-		"TX"
+	TransmitterView tx_view {
+		16 * 16,
+		50000,
+		9
 	};
 	
 	MessageHandlerRegistration message_handler_tx_done {

firmware/application/ui_lcr.hpp

@@ -80,15 +80,15 @@ private:
 	
 	tx_modes tx_mode = IDLE;
 	bool abort_scan = false;
-	uint8_t scan_count, scan_index;
-	double scan_progress;
+	uint8_t scan_count { 0 }, scan_index { 0 };
+	double scan_progress { 0 };
 	char litteral[5][8] = { { 0 }, { 0 }, { 0 }, { 0 }, { 0 } };
 	char rgsb[5] = { 0 };
 	char lcr_message[512];
 	char lcr_message_data[512];
 	char checksum = 0;
-	rf::Frequency f;
-	uint8_t repeat_index;
+	rf::Frequency f { 0 };
+	uint8_t repeat_index { 0 };
 	
 	void generate_message();
 	void update_progress();
@@ -107,9 +107,9 @@ private:
 		.foreground = Color::red(),
 	};
 	
-	std::array<Button, 5> buttons;
-	std::array<Checkbox, 5> checkboxes;
-	std::array<Rectangle, 5> rectangles;
+	std::array<Button, 5> buttons { };
+	std::array<Checkbox, 5> checkboxes { };
+	std::array<Rectangle, 5> rectangles { };
 
 	Text text_recap {
 		{ 8, 6, 18 * 8, 16 },

firmware/application/ui_nuoptix.cpp

@@ -60,7 +60,7 @@ void NuoptixView::transmit(bool setup) {
 		timecode = lfsr_iterate(timecode) % 1999;	// Could be 9999 but that would be one long audio track !
 	
 	if (setup) {
-		pbar.set_max(6 * 2);
+		progressbar.set_max(6 * 2);
 		
 		if (tx_mode == IMPROVISE) {
 			// Seed from RTC
@@ -86,7 +86,7 @@ void NuoptixView::transmit(bool setup) {
 		number_timecode.set_value(timecode);
 	}
 	
-	pbar.set_value(0);
+	progressbar.set_value(0);
 	
 	dtmf_message[2] = (timecode / 100) % 10;
 	dtmf_message[3] = (timecode / 10) % 10;
@@ -145,12 +145,11 @@ NuoptixView::NuoptixView(
 	baseband::run_image(portapack::spi_flash::image_tag_tones);
 	
 	add_children({
-		&tx_view,
 		&number_timecode,
 		&text_timecode,
 		&text_mod,
-		&pbar,
-		&button_exit
+		&progressbar,
+		&tx_view
 	});
 	
 	number_timecode.set_value(1);
@@ -183,10 +182,6 @@ NuoptixView::NuoptixView(
 			transmit(true);
 		}
 	};*/
-	
-	button_exit.on_select = [&nav](Button&){
-		nav.pop();
-	};
 }
 
 }

firmware/application/ui_nuoptix.hpp

@@ -62,19 +62,13 @@ private:
 	
 	uint32_t timecode { 0 };
 	
-	TransmitterView tx_view {
-		11 * 16,
-		10000,
-		15
-	};
-	
 	Text text_timecode {
-		{ 10 * 8, 32, 9 * 8, 16 },
+		{ 10 * 8, 2 * 16, 9 * 8, 16 },
 		"Timecode:"
 	};
 	
 	NumberField number_timecode {
-		{ 13 * 8, 48 },
+		{ 13 * 8, 3 * 16 },
 		4,
 		{ 1, 9999 },
 		1,
@@ -82,12 +76,12 @@ private:
 	};
 	
 	Text text_mod {
-		{ 10 * 8, 80, 6 * 8, 16 },
+		{ 10 * 8, 5 * 16, 6 * 8, 16 },
 		"Mod: "
 	};
 	
-	ProgressBar pbar {
-		{ 16, 236, 208, 16 }
+	ProgressBar progressbar {
+		{ 16, 14 * 16, 208, 16 }
 	};
 	
 	/*Button button_impro {
@@ -95,9 +89,10 @@ private:
 		"IMPROVISE"
 	};*/
 	
-	Button button_exit {
-		{ 88, 270, 64, 32 },
-		"Exit"
+	TransmitterView tx_view {
+		16 * 16,
+		10000,
+		15
 	};
 	
 	MessageHandlerRegistration message_handler_tx_done {
@@ -107,7 +102,7 @@ private:
 			if (message.done)
 				transmit(false);
 			else
-				pbar.set_value(message.progress);
+				progressbar.set_value(message.progress);
 		}
 	};
 };

firmware/application/ui_rds.cpp

@@ -57,8 +57,7 @@ void RDSView::start_tx() {
 	baseband::set_rds_data(message_length);
 }
 
-void RDSView::paint(Painter& painter) {
-	(void)painter;
+void RDSView::paint(Painter&) {
 	char RadioTextA[17];
 	
 	text_psn.set(PSN);
@@ -78,7 +77,6 @@ RDSView::RDSView(NavigationView& nav) {
 	strcpy(RadioText, "Radiotext test ABCD1234");
 	
 	add_children({
-		&field_frequency,
 		&text_pty,
 		&options_pty,
 		&text_countrycode,
@@ -99,23 +97,43 @@ RDSView::RDSView(NavigationView& nav) {
 		&text_radiotext,
 		&text_radiotexta,
 		&text_radiotextb,
-		&button_tx,
-		&button_exit
+		&tx_view,
 	});
 	
-	field_frequency.set_value(transmitter_model.tuning_frequency());
-	field_frequency.set_step(50000);	// 50kHz steps
-	field_frequency.on_change = [this](rf::Frequency f) {
-		this->on_tuning_frequency_changed(f);
-	};
-	field_frequency.on_edit = [this, &nav]() {
-		auto new_view = nav.push<FrequencyKeypadView>(field_frequency.value());
+	tx_view.on_edit_frequency = [this, &nav]() {
+		auto new_view = nav.push<FrequencyKeypadView>(receiver_model.tuning_frequency());
 		new_view->on_changed = [this](rf::Frequency f) {
-			this->field_frequency.set_value(f);
+			receiver_model.set_tuning_frequency(f);
 			this->on_tuning_frequency_changed(f);
 		};
 	};
 	
+	tx_view.on_start = [this]() {
+		tx_view.set_transmitting(true);
+		rds_flags.PI_code = sym_pi_code.value_hex_u64();
+		rds_flags.PTY = options_pty.selected_index_value();
+		rds_flags.DI = check_mono_stereo.value() ? 1 : 0;
+		rds_flags.TP = check_TP.value();
+		rds_flags.TA = check_TA.value();
+		rds_flags.MS = check_MS.value();
+		
+		if (options_tx.selected_index() == 0)
+			message_length = gen_PSN(PSN, &rds_flags);
+		else if (options_tx.selected_index() == 1)
+			message_length = gen_RadioText(RadioText, 0, &rds_flags);
+		else
+			message_length = gen_ClockTime(&rds_flags, 2016, 12, 1, 9, 23, 2);
+		
+		txing = true;
+		start_tx();
+	};
+	
+	tx_view.on_stop = [this]() {
+		tx_view.set_transmitting(false);
+		transmitter_model.disable();
+		txing = false;
+	};
+	
 	check_TA.set_value(true);
 	check_TP.set_value(true);
 	
@@ -145,40 +163,10 @@ RDSView::RDSView(NavigationView& nav) {
 	button_editpsn.on_select = [this, &nav](Button&) {
 		textentry(nav, PSN, 8);
 	};
-	button_tx.on_select = [this](Button&) {
-		if (txing) {
-			transmitter_model.disable();
-			button_tx.set_text("START");
-			txing = false;
-		} else {
-			rds_flags.PI_code = sym_pi_code.value_hex_u64();
-			rds_flags.PTY = options_pty.selected_index_value();
-			rds_flags.DI = check_mono_stereo.value() ? 1 : 0;
-			rds_flags.TP = check_TP.value();
-			rds_flags.TA = check_TA.value();
-			rds_flags.MS = check_MS.value();
-			
-			if (options_tx.selected_index() == 0)
-				message_length = gen_PSN(PSN, &rds_flags);
-			else if (options_tx.selected_index() == 1)
-				message_length = gen_RadioText(RadioText, 0, &rds_flags);
-			else
-				message_length = gen_ClockTime(&rds_flags, 2016, 12, 1, 9, 23, 2);
-			
-			button_tx.set_text("STOP");
-			
-			txing = true;
-			start_tx();
-		}
-	};
 	
 	button_editradiotext.on_select = [this, &nav](Button&){
 		textentry(nav, RadioText, 24);
 	};
-
-	button_exit.on_select = [&nav](Button&){
-		nav.pop();
-	};
 }
 
 } /* namespace ui */

firmware/application/ui_rds.hpp

@@ -25,6 +25,7 @@
 #include "ui_navigation.hpp"
 #include "ui_font_fixed_8x16.hpp"
 #include "ui_receiver.hpp"
+#include "ui_transmitter.hpp"
 #include "ui_textentry.hpp"
 #include "message.hpp"
 #include "rds.hpp"
@@ -44,20 +45,16 @@ public:
 	std::string title() const override { return "RDS transmit"; };
 
 private:
-	char PSN[9];
-	char RadioText[25];
+	char PSN[9] { 0 };
+	char RadioText[25] { 0 };
 	bool txing = false;
-	RDS_flags rds_flags;
+	RDS_flags rds_flags { };
 	
-	uint16_t message_length;
+	uint16_t message_length { 0 };
 	
 	void start_tx();
 	void on_tuning_frequency_changed(rf::Frequency f);
 
-	FrequencyField field_frequency {
-		{ 1 * 8, 4 },
-	};
-	
 	Text text_pty {
 		{ 1 * 8, 16 + 8, 4 * 8, 16 },
 		"PTY:"
@@ -272,13 +269,10 @@ private:
 		}
 	};
 	
-	Button button_tx {
-		{ 3 * 8, 16 * 16, 80, 32 },
-		"START"
-	};
-	Button button_exit {
-		{ 19 * 8, 16 * 16, 64, 32 },
-		"Exit"
+	TransmitterView tx_view {
+		16 * 16,
+		50000,
+		9
 	};
 };
 

firmware/application/ui_transmitter.cpp

@@ -51,6 +51,24 @@ TXGainField::TXGainField(
 
 /* TransmitterView *******************************************************/
 
+void TransmitterView::paint(Painter& painter) {
+	size_t c;
+	Point pos = { 0, screen_pos().y() };
+	
+	for (c = 0; c < 20; c++) {
+		painter.draw_bitmap(
+			pos,
+			bitmap_stripes,
+			ui::Color(191, 191, 0),
+			ui::Color::black()
+		);
+		if (c != 9)
+			pos += { 24, 0 };
+		else
+			pos = { 0, screen_pos().y() + 32 + 8 };
+	}
+}
+
 void TransmitterView::on_tuning_frequency_changed(rf::Frequency f) {
 	receiver_model.set_tuning_frequency(f);
 }
@@ -82,7 +100,7 @@ void TransmitterView::focus() {
 TransmitterView::TransmitterView(
 	const Coord y, const uint32_t frequency_step, const uint32_t bandwidth
 ) {
-	set_parent_rect({ 0 * 8, y, 30 * 8, 2 * 16 });
+	set_parent_rect({ 0 * 8, y, 30 * 8, 6 * 8 });
 	
 	add_children({
 		&field_frequency,

firmware/application/ui_transmitter.hpp

@@ -56,6 +56,7 @@ public:
 	~TransmitterView();
 	
 	void on_show() override;
+	void paint(Painter& painter) override;
 	void focus() override;
 	
 	void set_transmitting(const bool transmitting);
@@ -75,27 +76,27 @@ private:
 	bool transmitting_ { false };
 	
 	FrequencyField field_frequency {
-		{ 0 * 8, 0 * 16 }
+		{ 0 * 8, 1 * 8 }
 	};
 	
 	TXGainField field_gain {
-		{ 10 * 8, 0 * 16 }
+		{ 10 * 8, 1 * 8 }
 	};
 	
 	NumberField field_bw {
-		{ 13 * 8, 0 * 16 },
+		{ 13 * 8, 1 * 8 },
 		3,
 		{ 1, 150 },
 		1,
 		' '
 	};
 	Text text_kHz {
-		{ 16 * 8, 0 * 16, 3 * 8, 1 * 16 },
+		{ 16 * 8, 1 * 8, 3 * 8, 1 * 16 },
 		"kHz"
 	};
 	
 	Button button_start {
-		{ 20 * 8, 0 * 16, 9 * 8, 32 },
+		{ 20 * 8, 1 * 8, 9 * 8, 32 },
 		"START"
 	};