LCR in TEDI 1200/2400 AFSK transmit

firmware/application/Makefile

@@ -161,6 +161,7 @@ CPPSRC = main.cpp \
          ui_setup.cpp \
          ui_debug.cpp \
          ui_rds.cpp \
+         ui_lcr.cpp \
          ui_console.cpp \
          ui_receiver.cpp \
          ui_spectrum.cpp \

firmware/application/transmitter_model.cpp

@@ -0,0 +1,166 @@
+/*
+ * Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
+ *
+ * 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 "transmitter_model.hpp"
+
+#include "portapack_shared_memory.hpp"
+#include "portapack_persistent_memory.hpp"
+#include "portapack.hpp"
+using namespace portapack;
+
+rf::Frequency TransmitterModel::tuning_frequency() const {
+	return persistent_memory::tuned_frequency();
+}
+
+void TransmitterModel::set_tuning_frequency(rf::Frequency f) {
+	persistent_memory::set_tuned_frequency(f);
+	update_tuning_frequency();
+}
+
+bool TransmitterModel::rf_amp() const {
+	return rf_amp_;
+}
+
+void TransmitterModel::set_rf_amp(bool enabled) {
+	rf_amp_ = enabled;
+	update_rf_amp();
+}
+
+int32_t TransmitterModel::lna() const {
+	return lna_gain_db_;
+}
+
+void TransmitterModel::set_lna(int32_t v_db) {
+	lna_gain_db_ = v_db;
+	update_lna();
+}
+
+uint32_t TransmitterModel::baseband_bandwidth() const {
+	return baseband_bandwidth_;
+}
+
+void TransmitterModel::set_baseband_bandwidth(uint32_t v) {
+	baseband_bandwidth_ = v;
+	update_baseband_bandwidth();
+}
+
+int32_t TransmitterModel::vga() const {
+	return vga_gain_db_;
+}
+
+void TransmitterModel::set_vga(int32_t v_db) {
+	vga_gain_db_ = v_db;
+	update_vga();
+}
+
+uint32_t TransmitterModel::sampling_rate() const {
+	return baseband_configuration.sampling_rate;
+}
+
+void TransmitterModel::set_sampling_rate(uint32_t hz) {
+	baseband_configuration.sampling_rate = hz;
+	update_baseband_configuration();
+}
+
+uint32_t TransmitterModel::modulation() const {
+	return baseband_configuration.mode;
+}
+
+void TransmitterModel::set_modulation(int32_t v) {
+	baseband_configuration.mode = v;
+	update_modulation();
+}
+
+uint32_t TransmitterModel::baseband_oversampling() const {
+	// TODO: Rename decimation_factor.
+	return baseband_configuration.decimation_factor;
+}
+
+void TransmitterModel::set_baseband_oversampling(uint32_t v) {
+	baseband_configuration.decimation_factor = v;
+	update_baseband_configuration();
+}
+
+void TransmitterModel::enable() {
+	radio::set_direction(rf::Direction::Transmit);
+	update_tuning_frequency();
+	update_rf_amp();
+	update_lna();
+	update_vga();
+	update_baseband_bandwidth();
+	update_baseband_configuration();
+	radio::streaming_enable();
+}
+
+void TransmitterModel::disable() {
+	/* TODO: This is a dumb hack to stop baseband from working so hard. */
+	BasebandConfigurationMessage message {
+		.configuration = {
+			.mode = -1,
+			.sampling_rate = 0,
+			.decimation_factor = 1,
+		}
+	};
+	shared_memory.baseband_queue.push(&message);
+	while( !message.is_free() );
+
+	radio::disable();
+}
+
+int32_t TransmitterModel::tuning_offset() {
+	return -(sampling_rate() / 4);
+}
+
+void TransmitterModel::update_tuning_frequency() {
+	radio::set_tuning_frequency(tuning_frequency());
+}
+
+void TransmitterModel::update_rf_amp() {
+	radio::set_rf_amp(rf_amp_);
+}
+
+void TransmitterModel::update_lna() {
+	radio::set_lna_gain(lna_gain_db_);
+}
+
+void TransmitterModel::update_baseband_bandwidth() {
+	radio::set_baseband_filter_bandwidth(baseband_bandwidth_);
+}
+
+void TransmitterModel::update_vga() {
+	radio::set_vga_gain(vga_gain_db_);
+}
+
+void TransmitterModel::update_modulation() {
+	update_baseband_configuration();
+}
+
+void TransmitterModel::update_baseband_configuration() {
+	clock_manager.set_sampling_frequency(sampling_rate() * baseband_oversampling());
+	update_tuning_frequency();
+	radio::set_baseband_decimation_by(baseband_oversampling());
+
+	BasebandConfigurationMessage message { baseband_configuration };
+	shared_memory.baseband_queue.push(&message);
+
+	// Block until message is consumed, since we allocated it on the stack.
+	while( !message.is_free() );
+}

firmware/application/transmitter_model.hpp

@@ -0,0 +1,92 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ *
+ * 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 __TRANSMITTER_MODEL_H__
+#define __TRANSMITTER_MODEL_H__
+
+#include <cstdint>
+#include <cstddef>
+
+#include "clock_manager.hpp"
+#include "message.hpp"
+#include "rf_path.hpp"
+#include "max2837.hpp"
+#include "volume.hpp"
+
+class TransmitterModel {
+public:
+	constexpr TransmitterModel(
+		ClockManager& clock_manager
+	) : clock_manager(clock_manager)
+	{
+	}
+
+	rf::Frequency tuning_frequency() const;
+	void set_tuning_frequency(rf::Frequency f);
+
+	bool rf_amp() const;
+	void set_rf_amp(bool enabled);
+
+	int32_t lna() const;
+	void set_lna(int32_t v_db);
+
+	uint32_t baseband_bandwidth() const;
+	void set_baseband_bandwidth(uint32_t v);
+
+	int32_t vga() const;
+	void set_vga(int32_t v_db);
+
+	uint32_t sampling_rate() const;
+	void set_sampling_rate(uint32_t hz);
+
+	uint32_t modulation() const;
+	void set_modulation(int32_t v);
+
+	uint32_t baseband_oversampling() const;
+	void set_baseband_oversampling(uint32_t v);
+
+	void enable();
+	void disable();
+
+private:
+	bool rf_amp_ { true };
+	int32_t lna_gain_db_ { 0 };
+	uint32_t baseband_bandwidth_ { max2837::filter::bandwidth_minimum };
+	int32_t vga_gain_db_ { 8 };
+	BasebandConfiguration baseband_configuration {
+		.mode = 15,
+		.sampling_rate = 2280000,
+		.decimation_factor = 1,
+	};
+	ClockManager& clock_manager;
+
+	int32_t tuning_offset();
+
+	void update_tuning_frequency();
+	void update_rf_amp();
+	void update_lna();
+	void update_baseband_bandwidth();
+	void update_vga();
+	void update_modulation();
+	void update_baseband_configuration();
+};
+
+#endif/*__TRANSMITTER_MODEL_H__*/

firmware/application/ui_lcr.cpp

@@ -0,0 +1,251 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ *
+ * 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_rds.hpp"
+#include "ui_lcr.hpp"
+#include "ui_receiver.hpp"
+
+#include "ch.h"
+
+#include "ff.h"
+#include "hackrf_gpio.hpp"
+#include "portapack.hpp"
+#include "radio.hpp"
+
+#include "hackrf_hal.hpp"
+#include "portapack_shared_memory.hpp"
+
+#include <cstring>
+#include <stdio.h>
+
+using namespace hackrf::one;
+
+namespace ui {
+
+void LCRView::focus() {
+	button_setam_a.focus();
+}
+
+LCRView::~LCRView() {
+	transmitter_model.disable();
+}
+
+char hexify(char in) {
+	if (in > 9) in += 7;
+	return in + 0x30;
+}
+
+void LCRView::paint(Painter& painter) {
+	char eom[3] = { 3, 0, 0 };
+	uint8_t checksum = 0, i;
+	char teststr[16];
+	
+	Point offset = {
+		static_cast<Coord>(120),
+		static_cast<Coord>(32)
+	};
+	
+	painter.draw_string(
+		screen_pos() + offset,
+		style(),
+		rgsb
+	);
+	
+	offset.y += 40;
+	
+	painter.draw_string(
+		screen_pos() + offset,
+		style(),
+		litteral[0]
+	);
+	
+	offset.y += 40;
+	
+	painter.draw_string(
+		screen_pos() + offset,
+		style(),
+		litteral[1]
+	);
+	
+	offset.y += 40;
+	
+	painter.draw_string(
+		screen_pos() + offset,
+		style(),
+		litteral[2]
+	);
+	
+	offset.y += 40;
+	
+	painter.draw_string(
+		screen_pos() + offset,
+		style(),
+		litteral[3]
+	);
+	
+	for (i = 0; i < 4; i++) {
+		while (strlen(litteral[i]) < 7) {
+			strcat(litteral[i], " ");
+		}
+	}
+	
+	// Recreate LCR frame
+	memset(lcrframe, 0, 256);
+	lcrframe[0] = 127;
+	lcrframe[1] = 127;
+	lcrframe[2] = 127;
+	lcrframe[3] = 127;
+	lcrframe[4] = 127;
+	lcrframe[5] = 15;
+	strcat(lcrframe, rgsb);
+	strcat(lcrframe, "PA AM=1 AF=\"");
+	strcat(lcrframe, litteral[0]);
+	strcat(lcrframe, "\" CL=0 AM=2 AF=\"");
+	strcat(lcrframe, litteral[1]);
+	strcat(lcrframe, "\" CL=0 AM=3 AF=\"");
+	strcat(lcrframe, litteral[2]);
+	strcat(lcrframe, "\" CL=0 AM=4 AF=\"");
+	strcat(lcrframe, litteral[3]);
+	strcat(lcrframe, "\" CL=0 EC=A SAB=0");
+	
+	//Checksum
+	i = 5;
+	while (lcrframe[i]) {
+		checksum ^= lcrframe[i];
+		i++;
+	}
+	checksum ^= 3;
+	checksum &= 0x7F;
+	eom[1] = checksum;
+	
+	strcat(lcrframe, eom);
+	
+	teststr[0] = hexify(eom[1] >> 4);
+	teststr[1] = hexify(eom[1] & 15);
+	teststr[2] = 0;
+	offset.x = 220;
+	painter.draw_string(
+		screen_pos() + offset,
+		style(),
+		teststr
+	);
+}
+
+void LCRView::updfreq(rf::Frequency f) {
+	char finalstr[9] = {0};
+	transmitter_model.set_tuning_frequency(f);
+	
+	auto mhz = to_string_dec_int(f / 1000000, 3);
+	auto hz100 = to_string_dec_int((f / 100) % 10000, 4, '0');
+
+	strcat(finalstr, mhz.c_str());
+	strcat(finalstr, ".");
+	strcat(finalstr, hz100.c_str());
+
+	this->button_setfreq.set_text(finalstr);
+}
+
+//TODO: 7 char pad for litterals
+
+LCRView::LCRView(
+	NavigationView& nav,
+	TransmitterModel& transmitter_model
+) : transmitter_model(transmitter_model)
+{
+	transmitter_model.set_modulation(16);
+	transmitter_model.set_tuning_frequency(f);
+	memset(litteral, 0, 4*8);
+	memset(rgsb, 0, 5);
+	
+	rgsb[0] = 'E';
+	rgsb[1] = 'b';
+	rgsb[2] = 'G';
+	rgsb[3] = '0';			// Predef.
+	
+	add_children({ {
+		&button_setrgsb,
+		&button_setam_a,
+		&button_setam_b,
+		&button_setam_c,
+		&button_setam_d,
+		&button_setfreq,
+		&button_setbaud,
+		&button_transmit,
+		&button_exit
+	} });
+	
+	button_setrgsb.on_select = [this,&nav](Button&){
+		auto an_view = new AlphanumView { nav, rgsb, 4 };
+		nav.push(an_view);
+	};
+	button_setfreq.on_select = [this,&nav](Button&){
+		auto new_view = new FrequencyKeypadView { nav, this->transmitter_model.tuning_frequency() };
+		new_view->on_changed = [this](rf::Frequency f) {
+			updfreq(f);
+		};
+		nav.push(new_view);
+	};
+	
+	button_setam_a.on_select = [this,&nav](Button&){
+		auto an_view = new AlphanumView { nav, litteral[0], 7 };
+		nav.push(an_view);
+	};
+	button_setam_b.on_select = [this,&nav](Button&){
+		auto an_view = new AlphanumView { nav, litteral[1], 7 };
+		nav.push(an_view);
+	};
+	button_setam_c.on_select = [this,&nav](Button&){
+		auto an_view = new AlphanumView { nav, litteral[2], 7 };
+		nav.push(an_view);
+	};
+	button_setam_d.on_select = [this,&nav](Button&){
+		auto an_view = new AlphanumView { nav, litteral[3], 7 };
+		nav.push(an_view);
+	};
+	button_setbaud.on_select = [this](Button&){
+		if (baudrate == 1200) {
+			baudrate = 2400;
+			button_setbaud.set_text("2400 bps");
+		} else {
+			baudrate = 1200;
+			button_setbaud.set_text("1200 bps");
+		}
+	};
+	
+	button_transmit.on_select = [this,&transmitter_model](Button&){
+		uint16_t c;
+		if (baudrate == 1200)
+			shared_memory.fskspb = 190;
+		else
+			shared_memory.fskspb = 95;
+
+		for (c = 0; c < 256; c++) {
+			shared_memory.lcrdata[c] = this->lcrframe[c];
+		}
+		transmitter_model.enable();
+	};
+
+	button_exit.on_select = [&nav](Button&){
+		nav.pop();
+	};
+}
+
+} /* namespace ui */

firmware/application/ui_lcr.hpp

@@ -0,0 +1,98 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ *
+ * 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_widget.hpp"
+#include "ui_painter.hpp"
+#include "ui_menu.hpp"
+#include "ui_navigation.hpp"
+#include "ui_font_fixed_8x16.hpp"
+#include "clock_manager.hpp"
+#include "message.hpp"
+#include "rf_path.hpp"
+#include "max2837.hpp"
+#include "volume.hpp"
+#include "transmitter_model.hpp"
+
+namespace ui {
+
+class LCRView : public View {
+public:
+	LCRView(NavigationView& nav, TransmitterModel& transmitter_model);
+	~LCRView();
+	
+	void updfreq(rf::Frequency f);
+	void focus() override;
+	void paint(Painter& painter) override;
+
+private:
+	char litteral[4][8];
+	char rgsb[5];
+	char lcrframe[256];
+	uint16_t baudrate = 1200;
+	rf::Frequency f = 160000000;
+	TransmitterModel& transmitter_model;
+
+	Button button_setrgsb {
+		{ 16, 24, 96, 32 },
+		"Set RGSB"
+	};
+
+	Button button_setam_a {
+		{ 16, 64, 96, 32 },
+		"AM 1"
+	};
+	
+	Button button_setam_b {
+		{ 16, 64+40, 96, 32 },
+		"AM 2"
+	};
+	
+	Button button_setam_c {
+		{ 16, 64+40+40, 96, 32 },
+		"AM 3"
+	};
+	
+	Button button_setam_d {
+		{ 16, 64+40+40+40, 96, 32 },
+		"AM 4"
+	};
+	
+	Button button_setfreq {
+		{ 4, 232, 96, 32 },
+		"160.0000"
+	};
+	Button button_setbaud {
+		{ 4, 270, 96, 32 },
+		"1200bps"
+	};
+	
+	Button button_transmit {
+		{ 120, 232, 96, 32 },
+		"Transmit"
+	};
+	Button button_exit {
+		{ 120, 270, 96, 32 },
+		"Exit"
+	};
+};
+
+} /* namespace ui */

firmware/application/ui_navigation.cpp

@@ -28,6 +28,7 @@
 #include "ui_debug.hpp"
 #include "ui_receiver.hpp"
 #include "ui_rds.hpp"
+#include "ui_lcr.hpp"
 
 #include "portapack.hpp"
 #include "m4_startup.hpp"
@@ -97,11 +98,12 @@ void NavigationView::focus() {
 /* SystemMenuView ********************************************************/
 
 SystemMenuView::SystemMenuView(NavigationView& nav) {
-	add_items<8>({ {
+	add_items<9>({ {
 		{ "Receiver", [&nav](){ nav.push(new ReceiverView       { nav, receiver_model }); } },
 		{ "Capture",  [&nav](){ nav.push(new NotImplementedView { nav }); } },
 		{ "Analyze",  [&nav](){ nav.push(new NotImplementedView { nav }); } },
-		{ "RDS toolbox",[&nav](){ nav.push(new RDSView          { nav, transmitter_model }); } },
+		{ "RDS TX",	  [&nav](){ nav.push(new RDSView            { nav, transmitter_model }); } },
+		{ "LCR TX",   [&nav](){ nav.push(new LCRView            { nav, transmitter_model }); } },
 		{ "Setup",    [&nav](){ nav.push(new SetupMenuView      { nav }); } },
 		{ "About",    [&nav](){ nav.push(new AboutView          { nav }); } },
 		{ "Debug",    [&nav](){ nav.push(new DebugMenuView      { nav }); } },
@@ -160,6 +162,8 @@ HackRFFirmwareView::HackRFFirmwareView(NavigationView& nav) {
 			__WFE();
 		}
 	};
+	
+	//377.6M: bouts de musique
 
 	button_no.on_select = [&nav](Button&){
 		nav.pop();

firmware/application/ui_rds.cpp

@@ -0,0 +1,274 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ *
+ * 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_rds.hpp"
+
+#include "ch.h"
+
+#include "ff.h"
+#include "hackrf_gpio.hpp"
+#include "portapack.hpp"
+#include "radio.hpp"
+
+#include "hackrf_hal.hpp"
+#include "portapack_shared_memory.hpp"
+
+#include <cstring>
+
+using namespace hackrf::one;
+
+namespace ui {
+	
+AlphanumView::AlphanumView(
+	NavigationView& nav,
+	char txt[],
+	uint8_t max_len
+) {
+	_max_len = max_len;
+	_lowercase = false;
+	
+	static constexpr Style style_alpha {
+		.font = font::fixed_8x16,
+		.background = Color::red(),
+		.foreground = Color::black(),
+	};
+	
+	static constexpr Style style_num {
+		.font = font::fixed_8x16,
+		.background = Color::yellow(),
+		.foreground = Color::black(),
+	};
+	
+	txtidx = 0;
+	memcpy(txtinput, txt, max_len+1);
+	
+	add_child(&text_input);
+
+	const auto button_fn = [this](Button& button) {
+		this->on_button(button);
+	};
+
+	const char* const key_caps = "0123456789ABCDEFGHIJKLMNOPQRSTUVWXYZ. !<";
+
+	size_t n = 0;
+	for(auto& button : buttons) {
+		add_child(&button);
+		const std::string label {
+			key_caps[n]
+		};
+		button.on_select = button_fn;
+		button.set_parent_rect({
+			static_cast<Coord>((n % 5) * button_w),
+			static_cast<Coord>((n / 5) * button_h + 18),
+			button_w, button_h
+		});
+		button.set_text(label);
+		if ((n < 10) || (n == 39))
+			button.set_style(&style_num);
+		else
+			button.set_style(&style_alpha);
+		n++;
+	}
+	
+	add_child(&button_lowercase);
+	button_lowercase.on_select = [this, &nav, txt, max_len](Button&) {
+		if (_lowercase == true) {
+			_lowercase = false;
+			button_lowercase.set_text("LC");
+		} else {
+			_lowercase = true;
+			button_lowercase.set_text("UC");
+		}
+	};
+
+	add_child(&button_done);
+	button_done.on_select = [this, &nav, txt, max_len](Button&) {
+		memcpy(txt, txtinput, max_len+1);
+		nav.pop();
+	};
+
+	update_text();
+}
+
+void AlphanumView::focus() {
+	button_done.focus();
+}
+
+char * AlphanumView::value() {
+	return txtinput;
+}
+
+void AlphanumView::on_button(Button& button) {
+	const auto s = button.text();
+	if( s == "<" ) {
+		char_delete();
+	} else {
+		if (_lowercase == true)
+			char_add(s[0] + 32);
+		else
+			char_add(s[0]);
+	}
+	update_text();
+}
+
+void AlphanumView::char_add(const char c) {
+	if (txtidx < _max_len) {
+		txtinput[txtidx] = c;
+		txtidx++;
+	}
+}
+
+void AlphanumView::char_delete() {
+	if (txtidx) {
+		txtidx--;
+		txtinput[txtidx] = ' ';
+	}
+}
+
+void AlphanumView::update_text() {
+	text_input.set(txtinput);
+}
+
+void RDSView::focus() {
+	button_setpsn.focus();
+}
+
+RDSView::~RDSView() {
+	transmitter_model.disable();
+}
+
+std::string to_string_bin(const uint32_t n, const uint8_t l) {
+	char p[32];
+	for (uint8_t c = 0; c < l; c++) {
+		if ((n<<c) & (1<<l))
+			p[c] = '1';
+		else
+			p[c] = '0';
+	}
+	p[l] = 0;
+	return p;
+}
+
+uint32_t makeblock(uint32_t blockdata, uint16_t offset) {
+    uint16_t CRC = 0;
+    uint8_t doinv;
+    
+    for (uint8_t i = 0; i < 16; i++) {
+        doinv = (((blockdata<<i) & 0x8000)>>15) ^ (CRC>>9);
+        if (doinv) CRC ^= 0b0011011100;
+        CRC = ((CRC<<1) | doinv) & 0x3FF;
+    }
+    
+    return (blockdata<<10) | (CRC ^ offset);
+}
+
+//Make PI
+//Set frequency
+//TA/TP flags
+//Group selection
+//RST SNCF
+//Jammer
+//Microphone troll
+//CTCSS
+
+void RDSView::paint(Painter& painter) {
+	uint8_t c;
+	
+	uint32_t group[4][4] = {
+		{0b1111100001001001,		//PI
+		0b0000110011101000,			//Address
+		0b1111100001001001,			//PI
+		0b0000000000000000},		//Replaced
+		{0b1111100001001001,		//PI
+		0b0000110011101001,			//Address
+		0b1111100001001001,			//PI
+		0b0000000000000000},		//Replaced
+		{0b1111100001001001,		//PI
+		0b0000110011101010,			//Address
+		0b1111100001001001,			//PI
+		0b0000000000000000},		//Replaced
+		{0b1111100001001001,		//PI
+		0b0000110011101011,			//Address
+		0b1111100001001001,			//PI
+		0b0000000000000000},		//Replaced
+	};
+	
+	//Insert PSN data in groups
+	group[0][3] = (psname[0]<<8) | psname[1];
+	group[1][3] = (psname[2]<<8) | psname[3];
+	group[2][3] = (psname[4]<<8) | psname[5];
+	group[3][3] = (psname[6]<<8) | psname[7];
+
+	//Generate checkbits
+	for (c = 0; c < 4; c++) {
+		group[c][0] = makeblock(group[c][0], 0b0011111100);
+		group[c][1] = makeblock(group[c][1], 0b0110011000);
+		group[c][2] = makeblock(group[c][2], 0b1101010000);	//C'
+		group[c][3] = makeblock(group[c][3], 0b0110110100);
+	}
+
+	const Point offset = {
+		static_cast<Coord>(64),
+		static_cast<Coord>(32)
+	};
+
+	const auto text = psname;
+	painter.draw_string(
+		screen_pos() + offset,
+		style(),
+		text
+	);
+	
+	for (c = 0; c < 16; c++) {
+		shared_memory.rdsdata[c] = group[c >> 2][c & 3];
+	}
+}
+
+RDSView::RDSView(
+	NavigationView& nav,
+	TransmitterModel& transmitter_model
+) : transmitter_model(transmitter_model)
+{
+	transmitter_model.set_tuning_frequency(93000000);
+	strcpy(psname, "TEST1234");
+	
+	add_children({ {
+		&text_title,
+		&button_setpsn,
+		&button_transmit,
+		&button_exit
+	} });
+	
+	button_setpsn.on_select = [this,&nav](Button&){
+		auto an_view = new AlphanumView { nav, psname, 8 };
+		nav.push(an_view);
+	};
+	
+	button_transmit.on_select = [&transmitter_model](Button&){
+		transmitter_model.enable();
+	};
+
+	button_exit.on_select = [&nav](Button&){
+		nav.pop();
+	};
+}
+
+} /* namespace ui */

firmware/application/ui_rds.hpp

@@ -0,0 +1,117 @@
+/*
+ * Copyright (C) 2015 Jared Boone, ShareBrained Technology, Inc.
+ *
+ * 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_widget.hpp"
+#include "ui_painter.hpp"
+#include "ui_menu.hpp"
+#include "ui_navigation.hpp"
+#include "ui_font_fixed_8x16.hpp"
+#include "clock_manager.hpp"
+#include "message.hpp"
+#include "rf_path.hpp"
+#include "max2837.hpp"
+#include "volume.hpp"
+#include "transmitter_model.hpp"
+
+namespace ui {
+
+class AlphanumView : public View {
+public:
+	//std::function<void(rf::Frequency)> on_changed;
+
+	AlphanumView(NavigationView& nav, char txt[], uint8_t max_len);
+
+	void focus() override;
+	
+	char * value();
+	
+	uint8_t txtidx;
+	
+	//void set_value(char * new_txtinput);
+	void char_add(const char c);
+	void char_delete();
+
+	//rf::Frequency value() const;
+	//void set_value(const rf::Frequency new_value);
+
+private:
+	uint8_t _max_len;
+	bool _lowercase;
+	static constexpr size_t button_w = 240 / 5;
+	static constexpr size_t button_h = 28;
+	char txtinput[9];
+
+	Text text_input {
+		{ 88, 0, 240, 16 }
+	};
+
+	std::array<Button, 40> buttons;
+
+	Button button_lowercase {
+		{ 88+64+16, 270, 32, 24 },
+		"LC"
+	};
+
+	Button button_done {
+		{ 88, 270, 64, 24 },
+		"Done"
+	};
+
+	void on_button(Button& button);
+
+	void update_text();
+};
+
+class RDSView : public View {
+public:
+	RDSView(NavigationView& nav, TransmitterModel& transmitter_model);
+	~RDSView();
+
+	void focus() override;
+	void paint(Painter& painter) override;
+
+private:
+	char psname[9];
+	TransmitterModel& transmitter_model;
+	
+	Text text_title {
+		{ 76, 16, 88, 16 },
+		"RDS toolbox"
+	};
+
+	Button button_setpsn {
+		{ 72, 92, 96, 32 },
+		"Set PSN"
+	};
+	
+	Button button_transmit {
+		{ 72, 130, 96, 32 },
+		"Transmit"
+	};
+	
+	Button button_exit {
+		{ 72, 270, 96, 32 },
+		"Exit"
+	};
+};
+
+} /* namespace ui */

firmware/baseband/main.cpp

@@ -760,6 +760,65 @@ private:
 	int32_t k;
 };
 
+class LCRFSKProcessor : public BasebandProcessor {
+public:
+	void execute(buffer_c8_t buffer) override {
+        
+		for (size_t i = 0; i<buffer.count; i++) {
+			
+			//Sample generation 2.28M/10=228kHz
+			if(s >= 9) {
+				s = 0;
+				fsk_samples_per_bit = shared_memory.fskspb;
+				if(sample_count >= fsk_samples_per_bit) {
+					cur_byte = shared_memory.lcrdata[bit_pos / 8];
+					if (!cur_byte) {
+						//TransmitterModel::disable();
+						bit_pos = 0;
+						cur_byte = shared_memory.lcrdata[0];
+					}
+					cur_bit = cur_byte >> (7-(bit_pos % 8)) & 1;
+
+					bit_pos++;
+					sample_count = 0;
+				}
+				sample_count++;
+				
+				if (cur_bit)
+					aphase += 267187;
+				else
+					aphase += 489844;
+					
+				sample = sintab[(aphase & 0x03FF0000)>>16];
+			} else {
+				s++;
+			}
+			
+			//FM
+			frq = sample * 967;
+			
+			phase = (phase + frq);
+			sphase = phase + (256<<16);
+
+			re = sintab[(sphase & 0x03FF0000)>>16];
+			im = sintab[(phase & 0x03FF0000)>>16];
+			
+			buffer.p[i] = {(int8_t)re,(int8_t)im};
+		}
+	}
+
+private:
+	uint32_t fsk_samples_per_bit;
+	int8_t re, im;
+	uint8_t s;
+    uint32_t bit_pos;
+    uint8_t cur_byte = 0;
+    uint8_t cur_bit = 0;
+    uint32_t sample_count;
+	uint32_t aphase, phase, sphase;
+	int32_t sample, sig, frq;
+};
+
 static BasebandProcessor* baseband_processor { nullptr };
 static BasebandConfiguration baseband_configuration;
 
@@ -1024,6 +1083,11 @@ int main(void) {
 				direction = baseband::Direction::Transmit;
 				baseband_processor = new RDSProcessor();
 				break;
+				
+			case 16:
+				direction = baseband::Direction::Transmit;
+				baseband_processor = new LCRFSKProcessor();
+				break;
 
 			default:
 				break;

firmware/common/portapack_shared_memory.hpp

@@ -42,6 +42,8 @@ struct SharedMemory {
 	int test;
 	
 	uint32_t rdsdata[16];
+	char lcrdata[256];
+	uint32_t fskspb;
 };
 
 extern SharedMemory& shared_memory;