Simplified LCR code a bit

Split modem into modem and serializer
Frequency string formatter

firmware/application/CMakeLists.txt

@@ -140,6 +140,7 @@ set(CPPSRC
 	protocols/dcs.cpp
 	protocols/lcr.cpp
 	protocols/rds.cpp
+	serializer.cpp
 	modems.cpp
 	audio.cpp
 	${COMMON}/bch_code.cpp
@@ -154,7 +155,7 @@ set(CPPSRC
 	${COMMON}/ui_focus.cpp
 	ui_about.cpp
 	ui_adsbtx.cpp
-	ui_afsksetup.cpp
+	ui_modemsetup.cpp
 	ui_alphanum.cpp
 	ui_audio.cpp
 	ui_mictx.cpp

firmware/application/main.cpp

@@ -24,7 +24,6 @@
 // Gimp image > indexed colors (16), then "xxd -i *.bmp"
 
 //BUG: Replay freezes when SD card not present
-//TODO: CTCSS detector
 //BUG: RDS doesn't stop baseband when stopping tx ?
 //BUG: Check AFSK transmit end, skips last bits ?
 

firmware/application/modems.cpp

@@ -21,6 +21,7 @@
  */
 
 #include "modems.hpp"
+#include "serializer.hpp"
 
 #include "portapack_persistent_memory.hpp"
 
@@ -28,19 +29,6 @@ using namespace portapack;
 
 namespace modems {
 
-uint8_t symbol_count() {
-	serial_format_t serial_format;
-	uint8_t count;
-	
-	serial_format = persistent_memory::serial_format();
-	
-	count = 1 + serial_format.data_bits;	// Start
-	if (serial_format.parity) count++;
-	count += serial_format.stop_bits;
-	
-	return count;
-};
-
 void generate_data(const std::string& in_message, uint16_t * out_data) {
 	serial_format_t serial_format;
 	uint8_t parity_init, parity, data_bits, bits, bit, cur_byte;
@@ -58,6 +46,7 @@ void generate_data(const std::string& in_message, uint16_t * out_data) {
 	for (bytes = 0; bytes < in_message.length(); bytes++) {
 		parity = parity_init;
 		cur_byte = in_message[bytes];
+		bit = 0;
 		
 		if (serial_format.bit_order == MSB_FIRST) {
 			ordered_word = cur_byte;

firmware/application/modems.hpp

@@ -31,26 +31,6 @@ namespace modems {
 	
 #define MODEM_DEF_COUNT 7
 
-enum parity_enum : uint8_t {
-	NONE = 0,
-	EVEN = 1,
-	ODD = 2
-};
-
-enum order_enum : uint8_t {
-	MSB_FIRST = 0,
-	LSB_FIRST = 1
-};
-
-struct serial_format_t {
-	uint8_t data_bits;
-	parity_enum parity;
-	uint8_t stop_bits;
-	order_enum bit_order;
-};
-
-uint8_t symbol_count();
-
 enum modulation_enum {
 	AFSK = 0,
 	FSK,
@@ -74,11 +54,6 @@ const modem_def_t modem_defs[MODEM_DEF_COUNT] = {
 	{ "V23 M2",		AFSK,	1300,	2100,	1200 },
 	{ "RTTY US",	SSB,	2295,	2125,	45 },
 	{ "RTTY EU",	SSB,	2125,	1955,	45 }
-	
-	/*{ "7-Even-1 R", "7E1", 7, EVEN,	1, false, false },
-	{ "7E1 LUT   ", "7Ea", 7, EVEN,	1, true, true },
-	{ "7-Odd-1   ", "7o1", 7, ODD,	1, true, false },
-	{ "8-Even-0  ", "8E0", 8, EVEN,	1, true, false }*/
 };
 
 void generate_data(const std::string& in_message, uint16_t * out_data);

firmware/application/protocols/lcr.cpp

@@ -29,7 +29,7 @@ std::string generate_message(std::string rgsb, std::vector<std::string> litteral
 	const std::string ec_lut[4] = { "A", "J", "N", "S" };					// Eclairage (Auto, Jour, Nuit)
 	char eom[3] = { 3, 0, 0 };		// EOM and space for checksum
 	uint8_t i;
-	std::string lcr_message { 127, 127, 127, 127, 127, 127, 127, 15 };		// Modem sync and SOM
+	std::string lcr_message { 127, 127, 127, 127, 127, 127, 127, 5 };		// 5/15 ? Modem sync and SOM
 	char checksum = 0;
 	
 	// Pad litterals to 7 chars (not required ?)

firmware/application/serializer.cpp

@@ -0,0 +1,55 @@
+/*
+ * Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2016 Furrtek
+ *
+ * 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 "serializer.hpp"
+
+#include "portapack_persistent_memory.hpp"
+
+using namespace portapack;
+
+namespace serializer {
+	
+/* Raw:		00110110100111
+ * NRZ-L:	00110110100111
+ * NRZ-M:	00100100111010
+ * NRZ-S:	10001110010000
+ * RZ:		00 00 10 10 00 10 10 00 10 00 00 10 10 10
+ * Bi-L:	01 01 10 10 01 10 10 01 10 01 01 10 10 10
+ * Bi-M:	00 11 01 01 00 10 10 11 01 00 11 01 01 01
+ * Bi-S:	01 01 00 11 01 00 11 01 00 10 10 11 00 11
+ * Diff M.:	...
+ */
+
+uint8_t symbol_count() {
+	serial_format_t serial_format;
+	uint8_t count;
+	
+	serial_format = persistent_memory::serial_format();
+	
+	count = 1 + serial_format.data_bits;	// Start
+	if (serial_format.parity) count++;
+	count += serial_format.stop_bits;
+	
+	return count;
+};
+
+} /* namespace serializer */

firmware/application/serializer.hpp

@@ -0,0 +1,59 @@
+/*
+ * Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
+ * Copyright (C) 2016 Furrtek
+ *
+ * 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 <cstring>
+#include <string>
+
+#ifndef __SERIALIZER_H__
+#define __SERIALIZER_H__
+
+namespace serializer {
+
+uint8_t symbol_count();
+
+enum parity_enum : uint8_t {
+	NONE = 0,
+	EVEN = 1,
+	ODD = 2
+};
+
+enum order_enum : uint8_t {
+	MSB_FIRST = 0,
+	LSB_FIRST = 1
+};
+
+struct serial_format_t {
+	uint8_t data_bits;
+	parity_enum parity;
+	uint8_t stop_bits;
+	order_enum bit_order;
+};
+
+	/*{ "7-Even-1 R", "7E1", 7, EVEN,	1, false, false },
+	{ "7E1 LUT   ", "7Ea", 7, EVEN,	1, true, true },
+	{ "7-Odd-1   ", "7o1", 7, ODD,	1, true, false },
+	{ "8-Even-0  ", "8E0", 8, EVEN,	1, true, false }*/
+
+} /* namespace serializer */
+
+#endif/*__SERIALIZER_H__*/

firmware/application/string_format.cpp

@@ -112,6 +112,13 @@ std::string to_string_dec_int(
 	return q;
 }
 
+std::string to_string_short_freq(const uint64_t f, const int32_t l) {
+	auto final_str = to_string_dec_int(f / 1000000, 4) + ".";
+	final_str += to_string_dec_int((f / 100) % 10000, l, '0');
+
+	return final_str;
+}
+
 static void to_string_hex_internal(char* p, const uint64_t n, const int32_t l) {
 	const uint32_t d = n & 0xf;
 	p[l] = (d > 9) ? (d + 55) : (d + 48);

firmware/application/string_format.hpp

@@ -35,6 +35,8 @@ std::string to_string_dec_uint(const uint32_t n, const int32_t l = 0, const char
 std::string to_string_dec_int(const int32_t n, const int32_t l = 0, const char fill = 0);
 std::string to_string_hex(const uint64_t n, const int32_t l = 0);
 
+std::string to_string_short_freq(const uint64_t f, const int32_t l = 4);
+
 std::string to_string_datetime(const rtc::RTC& value);
 std::string to_string_time(const rtc::RTC& value);
 std::string to_string_timestamp(const rtc::RTC& value);

firmware/application/ui_debug.cpp

@@ -281,7 +281,7 @@ DebugMenuView::DebugMenuView(NavigationView& nav) {
 	on_left = [&nav](){ nav.pop(); };
 }
 
-DebugLCRView::DebugLCRView(NavigationView& nav, std::string lcr_string) {
+/*DebugLCRView::DebugLCRView(NavigationView& nav, std::string lcr_string) {
 	
 	std::string debug_text;
 	
@@ -310,6 +310,6 @@ DebugLCRView::DebugLCRView(NavigationView& nav, std::string lcr_string) {
 	
 void DebugLCRView::focus() {
 	button_exit.focus();
-}
+}*/
 
 } /* namespace ui */

firmware/application/ui_debug.hpp

@@ -208,7 +208,7 @@ private:
 	};
 };
 
-class DebugLCRView : public View {
+/*class DebugLCRView : public View {
 public:
 	DebugLCRView(NavigationView& nav, std::string lcrstring);
 
@@ -225,7 +225,7 @@ private:
 		{ 72, 264, 96, 32 },
 		"Exit"
 	};
-};
+};*/
 
 class DebugPeripheralsMenuView : public MenuView {
 public:

firmware/application/ui_lcr.cpp

@@ -21,8 +21,7 @@
  */
 
 #include "ui_lcr.hpp"
-#include "ui_afsksetup.hpp"
+#include "ui_modemsetup.hpp"
-#include "ui_debug.hpp"
 
 #include "modems.hpp"
 #include "lcr.hpp"
@@ -35,7 +34,6 @@
 #include <stdio.h>
 
 using namespace portapack;
-using namespace modems;
 
 namespace ui {
 
@@ -74,8 +72,8 @@ void LCRView::paint(Painter& painter) {
 	
 	button_setrgsb.set_text(rgsb);
 	
-	// Recap: freq @ bps
+	// Recap: frequency @ baudrate
-	final_str = to_string_dec_int(persistent_memory::tuned_frequency() / 1000, 6);
+	final_str = to_string_short_freq(persistent_memory::tuned_frequency(), 3);
 	final_str += '@';
 	final_str += to_string_dec_int(persistent_memory::modem_baudrate(), 4);
 	final_str += "bps ";
@@ -99,13 +97,13 @@ void LCRView::update_progress() {
 	
 	text_status.set("            ");	// Clear
 	
-	if (tx_mode == SINGLE) {
 	progress_str = to_string_dec_uint(repeat_index) + "/" + to_string_dec_uint(persistent_memory::modem_repeat());
+	progress_str += " " + to_string_dec_uint(scan_index + 1) + "/" + to_string_dec_uint(scan_count);
+	
+	if (tx_mode == SINGLE) {
 		text_status.set(progress_str);
 		progress.set_value(repeat_index);
 	} else if (tx_mode == SCAN) {
-		progress_str = to_string_dec_uint(repeat_index) + "/" + to_string_dec_uint(persistent_memory::modem_repeat());
-		progress_str += " " + to_string_dec_uint(scan_index + 1) + "/" + to_string_dec_uint(scan_count);
 		text_status.set(progress_str);
 		progress.set_value(scan_progress);
 	} else {
@@ -115,34 +113,30 @@ void LCRView::update_progress() {
 }
 
 void LCRView::on_txdone(int n) {
-	if (n > 0) {
+	if (n) {
 		// Repeating...
 		repeat_index = n + 1;
-		if (tx_mode == SCAN) {
+		
+		if (tx_mode == SCAN)
 			scan_progress++;
-			update_progress();
-		} else {
-			update_progress();
-		}
 	} else {
 		// Done transmitting
 		if ((tx_mode == SCAN) && (scan_index < (scan_count - 1))) {
 			transmitter_model.disable();
 			// Next address
 			scan_index++;
-			rgsb = scan_list[options_scanlist.selected_index()].addresses[scan_index];
 			scan_progress++;
 			repeat_index = 1;
-			update_progress();
 			start_tx(true);
 		} else {
 			transmitter_model.disable();
 			tx_mode = IDLE;
-			update_progress();
 			button_scan.set_style(&style_val);
 			button_scan.set_text("SCAN");
 		}
 	}
+	
+	update_progress();
 }
 
 void LCRView::start_tx(const bool scan) {
@@ -157,13 +151,15 @@ void LCRView::start_tx(const bool scan) {
 			scan_progress = 1;
 			repeat_index = 1;
 			tx_mode = SCAN;
-			rgsb = scan_list[options_scanlist.selected_index()].addresses[0];
 			progress.set_max(scan_count * repeats);
 			update_progress();
 		}
+		rgsb = scan_list[options_scanlist.selected_index()].addresses[scan_index];
 	} else {
 		tx_mode = SINGLE;
 		repeat_index = 1;
+		scan_count = 1;
+		scan_index = 0;
 		progress.set_max(repeats);
 		update_progress();
 	}
@@ -177,7 +173,7 @@ void LCRView::start_tx(const bool scan) {
 	transmitter_model.set_baseband_bandwidth(1750000);
 	transmitter_model.enable();
 
-	memcpy(shared_memory.bb_data.data, lcr_message_data, 300);
+	memcpy(shared_memory.bb_data.data, lcr_message_data, sizeof(lcr_message_data));
 	
 	baseband::set_afsk_data(
 		1536000 / persistent_memory::modem_baudrate(),
@@ -185,7 +181,7 @@ void LCRView::start_tx(const bool scan) {
 		persistent_memory::afsk_space_freq(),
 		repeats,
 		persistent_memory::modem_bw(),
-		modems::symbol_count()
+		serializer::symbol_count()
 	);
 }
 
@@ -201,15 +197,14 @@ LCRView::LCRView(NavigationView& nav) {
 	rgsb = scan_list[0].addresses[0];
 	
 	add_children({
+		&labels,
 		&text_recap,
 		&options_ec,
 		&button_setrgsb,
 		&button_txsetup,
 		&text_status,
 		&progress,
-		&button_lcrdebug,
 		&button_transmit,
-		&text_scanlist,
 		&options_scanlist,
 		&button_scan,
 		&button_clear
@@ -225,10 +220,9 @@ LCRView::LCRView(NavigationView& nav) {
 	for (auto& button : buttons) {
 		button.on_select = button_setam_fn;
 		button.id = n;
-		label = "AM " + to_string_dec_uint(n + 1, 1);;
+		button.set_text("AM " + to_string_dec_uint(n + 1, 1));
-		button.set_text(label);
 		button.set_parent_rect({
-			static_cast<Coord>(48),
+			static_cast<Coord>(40),
 			static_cast<Coord>(n * 32 + 64),
 			48, 24
 		});
@@ -239,7 +233,7 @@ LCRView::LCRView(NavigationView& nav) {
 	n = 0;
 	for (auto& checkbox : checkboxes) {
 		checkbox.set_parent_rect({
-			static_cast<Coord>(16),
+			static_cast<Coord>(8),
 			static_cast<Coord>(n * 32 + 64),
 			48, 24
 		});
@@ -251,9 +245,9 @@ LCRView::LCRView(NavigationView& nav) {
 	n = 0;
 	for (auto& rectangle : rectangles) {
 		rectangle.set_parent_rect({
-			static_cast<Coord>(104 - 2),
+			static_cast<Coord>(98),
 			static_cast<Coord>(n * 32 + 68 - 2),
-			56 + 4, 16 + 4
+			64, 20
 		});
 		rectangle.set_color(ui::Color::grey());
 		rectangle.set_outline(true);
@@ -273,15 +267,12 @@ LCRView::LCRView(NavigationView& nav) {
 	};
 	
 	button_txsetup.on_select = [&nav](Button&) {
-		nav.push<AFSKSetupView>();
+		nav.push<ModemSetupView>();
-	};
-	
-	button_lcrdebug.on_select = [this, &nav](Button&) {
-		nav.push<DebugLCRView>(lcr::generate_message(rgsb, parse_litterals(), options_ec.selected_index()));
 	};
 	
 	button_transmit.on_select = [this](Button&) {
-		if (tx_mode == IDLE) start_tx(false);
+		if (tx_mode == IDLE)
+			start_tx(false);
 	};
 	
 	button_scan.on_select = [this](Button&) {
@@ -303,7 +294,7 @@ LCRView::LCRView(NavigationView& nav) {
 	};
 
 	button_clear.on_select = [this, &nav](Button&) {
-		uint8_t n;
+		size_t n;
 		
 		if (tx_mode == IDLE) {
 			options_ec.set_selected_index(0);	// Auto

firmware/application/ui_lcr.hpp

@@ -80,7 +80,7 @@ private:
 	
 	tx_modes tx_mode = IDLE;
 	uint8_t scan_count { 0 }, scan_index { 0 };
-	double scan_progress { 0 };
+	uint32_t scan_progress { 0 };
 	std::string litteral[5] { "       " };
 	std::string rgsb { "    " };
 	char lcr_message[512];
@@ -105,61 +105,58 @@ private:
 		.foreground = Color::red(),
 	};
 	
+	Labels labels {
+		{ { 2 * 8, 4 }, "EC:", Color::light_grey() },
+		{ { 88, 268 }, "Scan list:", Color::light_grey() }
+	};
+	
 	std::array<Button, 5> buttons { };
 	std::array<Checkbox, 5> checkboxes { };
 	std::array<Rectangle, 5> rectangles { };
 
 	Text text_recap {
-		{ 8, 6, 18 * 8, 16 },
+		{ 12 * 8, 4, 18 * 8, 16 },
 		"-"
 	};
 	
 	OptionsField options_ec {
-		{ 21 * 8, 6 },
+		{ 40, 4 },
-		7,
+		4,
 		{
-			{ "EC:Auto", 0 },
+			{ "Auto", 0 },
-			{ "EC:Jour", 1 },
+			{ "Jour", 1 },
-			{ "EC:Nuit", 2 },
+			{ "Nuit", 2 },
-			{ "EC:S ? ", 3 }
+			{ "S ? ", 3 }
 		}
 	};
 
 	Button button_setrgsb {
-		{ 16, 24, 96, 32 },
+		{ 8, 24, 80, 32 },
-		"Set RGSB"
+		"RGSB"
 	};
 	Button button_txsetup {
-		{ 128, 24, 96, 32 },
+		{ 13 * 8, 24, 128, 32 },
-		"TX setup"
+		"Modem setup"
-	};
-	
-	Button button_lcrdebug {
-		{ 168, 216, 56, 24 },
-		"DEBUG"
 	};
 	
 	Button button_clear {
-		{ 174, 64, 50, 9 * 16 },
+		{ 174, 64, 58, 19 * 8 },
 		"CLEAR"
 	};
 	
 	Text text_status {
-		{ 16, 224, 128, 16 },
+		{ 16, 222, 128, 16 },
 		"Ready"
 	};
 	ProgressBar progress {
-		{ 16, 224 + 20, 208, 16 }
+		{ 16, 242, 208, 16 }
 	};
 	
 	Button button_transmit {
-		{ 16, 270, 64, 32 },
+		{ 8, 270, 64, 32 },
 		"TX"
 	};
-	Text text_scanlist {
+	
-		{ 88, 268, 80, 16 },
-		"Scan list:"
-	};
 	OptionsField options_scanlist {
 		{ 88, 284 },
 		6,
@@ -168,8 +165,9 @@ private:
 			{ "Reims ", 1 }
 		}
 	};
+	
 	Button button_scan {
-		{ 168, 270, 56, 32 },
+		{ 166, 270, 64, 32 },
 		"SCAN"
 	};
 	

firmware/application/ui_modemsetup.cpp

@@ -20,7 +20,7 @@
  * Boston, MA 02110-1301, USA.
  */
 
-#include "ui_afsksetup.hpp"
+#include "ui_modemsetup.hpp"
 #include "ui_receiver.hpp"
 
 #include "portapack.hpp"
@@ -37,22 +37,17 @@ using namespace modems;
 
 namespace ui {
 
-void AFSKSetupView::focus() {
+void ModemSetupView::focus() {
 	button_setfreq.focus();
 }
 
-void AFSKSetupView::update_freq(rf::Frequency f) {
+void ModemSetupView::update_freq(rf::Frequency f) {
-	std::string final_str;
-	
 	persistent_memory::set_tuned_frequency(f);
 
-	final_str = to_string_dec_int(f / 1000000, 4) + ".";
+	button_setfreq.set_text(to_string_short_freq(f, 4));
-	final_str += to_string_dec_int((f / 100) % 10000, 4, '0');
-
-	button_setfreq.set_text(final_str);
 }
 
-AFSKSetupView::AFSKSetupView(
+ModemSetupView::ModemSetupView(
 	NavigationView& nav
 )
 {

firmware/application/ui_modemsetup.hpp

@@ -21,6 +21,7 @@
  */
 
 #include "modems.hpp"
+#include "serializer.hpp"
 
 #include "ui.hpp"
 #include "ui_widget.hpp"
@@ -28,13 +29,13 @@
 
 namespace ui {
 
-class AFSKSetupView : public View {
+class ModemSetupView : public View {
 public:
-	AFSKSetupView(NavigationView& nav);
+	ModemSetupView(NavigationView& nav);
 	
 	void focus() override;
 	
-	std::string title() const override { return "AFSK setup"; };
+	std::string title() const override { return "Modem setup"; };
 
 private:
 	void update_freq(rf::Frequency f);

firmware/common/portapack_persistent_memory.cpp

@@ -23,7 +23,6 @@
 #include "portapack_persistent_memory.hpp"
 
 #include "portapack.hpp"
-
 #include "hal.h"
 
 #include "utility.hpp"

firmware/common/portapack_persistent_memory.hpp

@@ -28,8 +28,10 @@
 #include "rf_path.hpp"
 #include "touch.hpp"
 #include "modems.hpp"
+#include "serializer.hpp"
 
 using namespace modems;
+using namespace serializer;
 
 namespace portapack {
 namespace persistent_memory {