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portapack-mayhem/firmware/application/apps/ais_app.cpp
Kyle Reed 637bcfdbc7
Use receiver/transmitter models everywhere (#1056) 
* Use receiver/transmitter models everywhere

* Run formatter

* Fix a copy-paste bug, make transmitter_model actually set tx_gain.

---------

Co-authored-by: kallanreed <kallanreed@outlook.com>
2023-05-23 21:22:30 -07:00

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/*
* 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 "ais_app.hpp"
#include "string_format.hpp"
#include "database.hpp"
#include "baseband_api.hpp"
#include "portapack.hpp"
using namespace portapack;
#include <algorithm>
namespace ais {
namespace format {
static std::string latlon_abs_normalized(const int32_t normalized, const char suffixes[2]) {
const auto suffix = suffixes[(normalized < 0) ? 0 : 1];
const uint32_t normalized_abs = std::abs(normalized);
const uint32_t t = (normalized_abs * 5) / 3;
const uint32_t degrees = t / (100 * 10000);
const uint32_t fraction = t % (100 * 10000);
return to_string_dec_uint(degrees) + "." + to_string_dec_uint(fraction, 6, '0') + suffix;
}
static std::string latlon(const Latitude latitude, const Longitude longitude) {
if (latitude.is_valid() && longitude.is_valid()) {
return latlon_abs_normalized(latitude.normalized(), "SN") + " " + latlon_abs_normalized(longitude.normalized(), "WE");
} else if (latitude.is_not_available() && longitude.is_not_available()) {
return "not available";
} else {
return "invalid";
}
}
static float latlon_float(const int32_t normalized) {
return ((((float)normalized) * 5) / 3) / (100 * 10000);
}
static std::string mmsi(
const ais::MMSI& mmsi) {
return to_string_dec_uint(mmsi, 9, '0'); // MMSI is always is always 9 characters pre-padded with zeros
}
static std::string mid(
const ais::MMSI& mmsi) {
std::database db;
std::string mid_code = "";
std::database::MidDBRecord mid_record = {};
int return_code = 0;
// Try getting the country name from mids.db using MID code for given MMSI
mid_code = to_string_dec_uint(mmsi, 9, ' ').substr(0, 3);
return_code = db.retrieve_mid_record(&mid_record, mid_code);
switch (return_code) {
case DATABASE_RECORD_FOUND:
return mid_record.country;
case DATABASE_NOT_FOUND:
return "No mids.db file";
default:
return "";
}
}
static std::string text(const std::string& text) {
size_t end = text.find_last_not_of("@");
return (end == std::string::npos) ? "" : text.substr(0, end + 1);
}
static std::string navigational_status(const unsigned int value) {
switch (value) {
case 0:
return "under way w/engine";
case 1:
return "at anchor";
case 2:
return "not under command";
case 3:
return "restricted maneuv";
case 4:
return "constrained draught";
case 5:
return "moored";
case 6:
return "aground";
case 7:
return "fishing";
case 8:
return "sailing";
case 9:
case 10:
case 13:
return "reserved";
case 11:
return "towing astern";
case 12:
return "towing ahead/along";
case 14:
return "SART/MOB/EPIRB";
case 15:
return "undefined";
default:
return "unknown";
}
}
static std::string rate_of_turn(const RateOfTurn value) {
switch (value) {
case -128:
return "not available";
case -127:
return "left >5 deg/30sec";
case 0:
return "0 deg/min";
case 127:
return "right >5 deg/30sec";
default: {
std::string result = (value < 0) ? "left " : "right ";
const float value_deg_sqrt = value / 4.733f;
const int32_t value_deg = value_deg_sqrt * value_deg_sqrt;
result += to_string_dec_uint(value_deg);
result += " deg/min";
return result;
}
}
}
static std::string speed_over_ground(const SpeedOverGround value) {
if (value == 1023) {
return "not available";
} else if (value == 1022) {
return ">= 102.2 knots";
} else {
return to_string_dec_uint(value / 10) + "." + to_string_dec_uint(value % 10, 1) + " knots";
}
}
static std::string course_over_ground(const CourseOverGround value) {
if (value > 3600) {
return "invalid";
} else if (value == 3600) {
return "not available";
} else {
return to_string_dec_uint(value / 10) + "." + to_string_dec_uint(value % 10, 1) + " deg";
}
}
static std::string true_heading(const TrueHeading value) {
if (value == 511) {
return "not available";
} else if (value > 359) {
return "invalid";
} else {
return to_string_dec_uint(value) + " deg";
}
}
} /* namespace format */
} /* namespace ais */
void AISLogger::on_packet(const ais::Packet& packet) {
// TODO: Unstuff here, not in baseband!
std::string entry;
entry.reserve((packet.length() + 3) / 4);
for (size_t i = 0; i < packet.length(); i += 4) {
const auto nibble = packet.read(i, 4);
entry += (nibble >= 10) ? ('W' + nibble) : ('0' + nibble);
}
log_file.write_entry(packet.received_at(), entry);
}
void AISRecentEntry::update(const ais::Packet& packet) {
received_count++;
switch (packet.message_id()) {
case 1:
case 2:
case 3:
navigational_status = packet.read(38, 4);
last_position.rate_of_turn = packet.read(42, 8);
last_position.speed_over_ground = packet.read(50, 10);
last_position.timestamp = packet.received_at();
last_position.latitude = packet.latitude(89);
last_position.longitude = packet.longitude(61);
last_position.course_over_ground = packet.read(116, 12);
last_position.true_heading = packet.read(128, 9);
break;
case 4:
last_position.timestamp = packet.received_at();
last_position.latitude = packet.latitude(107);
last_position.longitude = packet.longitude(79);
break;
case 5:
call_sign = packet.text(70, 7);
name = packet.text(112, 20);
destination = packet.text(302, 20);
break;
case 18:
last_position.timestamp = packet.received_at();
last_position.speed_over_ground = packet.read(46, 10);
last_position.latitude = packet.latitude(85);
last_position.longitude = packet.longitude(57);
last_position.course_over_ground = packet.read(112, 12);
last_position.true_heading = packet.read(124, 9);
break;
case 21:
name = packet.text(43, 20);
last_position.timestamp = packet.received_at();
last_position.latitude = packet.latitude(192);
last_position.longitude = packet.longitude(164);
break;
case 24:
switch (packet.read(38, 2)) {
case 0:
name = packet.text(40, 20);
break;
case 1:
call_sign = packet.text(90, 7);
break;
default:
break;
}
break;
default:
break;
}
}
namespace ui {
template <>
void RecentEntriesTable<AISRecentEntries>::draw(
const Entry& entry,
const Rect& target_rect,
Painter& painter,
const Style& style) {
std::string line = ais::format::mmsi(entry.mmsi) + " ";
if (!entry.name.empty()) {
line += ais::format::text(entry.name);
} else {
line += ais::format::text(entry.call_sign);
}
line.resize(target_rect.width() / 8, ' ');
painter.draw_string(target_rect.location(), style, line);
}
AISRecentEntryDetailView::AISRecentEntryDetailView(NavigationView& nav) {
add_children({
&button_done,
&button_see_map,
});
button_done.on_select = [this](const ui::Button&) {
if (this->on_close) {
this->on_close();
}
};
button_see_map.on_select = [this, &nav](Button&) {
geomap_view = nav.push<GeoMapView>(
ais::format::text(entry_.name),
0,
GeoPos::alt_unit::METERS,
ais::format::latlon_float(entry_.last_position.latitude.normalized()),
ais::format::latlon_float(entry_.last_position.longitude.normalized()),
entry_.last_position.true_heading,
[this]() {
send_updates = false;
});
send_updates = true;
};
}
AISRecentEntryDetailView::AISRecentEntryDetailView(const AISRecentEntryDetailView& Entry)
: View() {
(void)Entry;
}
AISRecentEntryDetailView& AISRecentEntryDetailView::operator=(const AISRecentEntryDetailView& Entry) {
(void)Entry;
return *this;
}
void AISRecentEntryDetailView::update_position() {
if (send_updates)
geomap_view->update_position(ais::format::latlon_float(entry_.last_position.latitude.normalized()), ais::format::latlon_float(entry_.last_position.longitude.normalized()), (float)entry_.last_position.true_heading, 0);
}
void AISRecentEntryDetailView::focus() {
button_done.focus();
}
Rect AISRecentEntryDetailView::draw_field(
Painter& painter,
const Rect& draw_rect,
const Style& style,
const std::string& label,
const std::string& value) {
const int label_length_max = 4;
painter.draw_string(Point{draw_rect.left(), draw_rect.top()}, style, label);
painter.draw_string(Point{draw_rect.left() + (label_length_max + 1) * 8, draw_rect.top()}, style, value);
return {draw_rect.left(), draw_rect.top() + draw_rect.height(), draw_rect.width(), draw_rect.height()};
}
void AISRecentEntryDetailView::paint(Painter& painter) {
View::paint(painter);
const auto s = style();
const auto rect = screen_rect();
auto field_rect = Rect{rect.left(), rect.top() + 16, rect.width(), 16};
field_rect = draw_field(painter, field_rect, s, "MMSI", ais::format::mmsi(entry_.mmsi));
field_rect = draw_field(painter, field_rect, s, "Ctry", ais::format::mid(entry_.mmsi));
field_rect = draw_field(painter, field_rect, s, "Name", ais::format::text(entry_.name));
field_rect = draw_field(painter, field_rect, s, "Call", ais::format::text(entry_.call_sign));
field_rect = draw_field(painter, field_rect, s, "Dest", ais::format::text(entry_.destination));
field_rect = draw_field(painter, field_rect, s, "Last", to_string_datetime(entry_.last_position.timestamp));
field_rect = draw_field(painter, field_rect, s, "Pos ", ais::format::latlon(entry_.last_position.latitude, entry_.last_position.longitude));
field_rect = draw_field(painter, field_rect, s, "Stat", ais::format::navigational_status(entry_.navigational_status));
field_rect = draw_field(painter, field_rect, s, "RoT ", ais::format::rate_of_turn(entry_.last_position.rate_of_turn));
field_rect = draw_field(painter, field_rect, s, "SoG ", ais::format::speed_over_ground(entry_.last_position.speed_over_ground));
field_rect = draw_field(painter, field_rect, s, "CoG ", ais::format::course_over_ground(entry_.last_position.course_over_ground));
field_rect = draw_field(painter, field_rect, s, "Head", ais::format::true_heading(entry_.last_position.true_heading));
field_rect = draw_field(painter, field_rect, s, "Rx #", to_string_dec_uint(entry_.received_count));
}
void AISRecentEntryDetailView::set_entry(const AISRecentEntry& entry) {
entry_ = entry;
set_dirty();
}
AISAppView::AISAppView(NavigationView& nav)
: nav_{nav} {
baseband::run_image(portapack::spi_flash::image_tag_ais);
add_children({
&label_channel,
&options_channel,
&field_rf_amp,
&field_lna,
&field_vga,
&rssi,
&channel,
&recent_entries_view,
&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);
receiver_model.set_tuning_frequency(tuning_frequency());
receiver_model.set_sampling_rate(sampling_rate);
receiver_model.set_baseband_bandwidth(baseband_bandwidth);
receiver_model.enable();
options_channel.on_change = [this](size_t, OptionsField::value_t v) {
this->on_frequency_changed(v);
};
options_channel.set_by_value(target_frequency());
recent_entries_view.on_select = [this](const AISRecentEntry& entry) {
this->on_show_detail(entry);
};
recent_entry_detail_view.on_close = [this]() {
this->on_show_list();
};
logger = std::make_unique<AISLogger>();
if (logger) {
logger->append(LOG_ROOT_DIR "/AIS.TXT");
}
}
AISAppView::~AISAppView() {
// save app settings
app_settings.rx_frequency = target_frequency_;
settings.save("rx_ais", &app_settings);
receiver_model.disable();
baseband::shutdown();
}
void AISAppView::focus() {
options_channel.focus();
}
void AISAppView::set_parent_rect(const Rect new_parent_rect) {
View::set_parent_rect(new_parent_rect);
const Rect content_rect{0, header_height, new_parent_rect.width(), new_parent_rect.height() - header_height};
recent_entries_view.set_parent_rect(content_rect);
recent_entry_detail_view.set_parent_rect(content_rect);
}
void AISAppView::on_packet(const ais::Packet& packet) {
if (logger) {
logger->on_packet(packet);
}
auto& entry = ::on_packet(recent, packet.source_id());
entry.update(packet);
recent_entries_view.set_dirty();
// TODO: Crude hack, should be a more formal listener arrangement...
if (entry.key() == recent_entry_detail_view.entry().key()) {
recent_entry_detail_view.set_entry(entry);
recent_entry_detail_view.update_position();
}
}
void AISAppView::on_show_list() {
recent_entries_view.hidden(false);
recent_entry_detail_view.hidden(true);
recent_entries_view.focus();
}
void AISAppView::on_show_detail(const AISRecentEntry& entry) {
recent_entries_view.hidden(true);
recent_entry_detail_view.hidden(false);
recent_entry_detail_view.set_entry(entry);
recent_entry_detail_view.focus();
}
void AISAppView::on_frequency_changed(const uint32_t new_target_frequency) {
set_target_frequency(new_target_frequency);
}
void AISAppView::set_target_frequency(const uint32_t new_value) {
target_frequency_ = new_value;
receiver_model.set_tuning_frequency(tuning_frequency());
}
uint32_t AISAppView::target_frequency() const {
return target_frequency_;
}
uint32_t AISAppView::tuning_frequency() const {
return target_frequency() - (sampling_rate / 4);
}
} /* namespace ui */
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