mirror of
https://github.com/portapack-mayhem/mayhem-firmware.git
synced 2024-12-15 12:38:11 +00:00
374 lines
11 KiB
C++
374 lines
11 KiB
C++
/*
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* Copyright (C) 2014 Jared Boone, ShareBrained Technology, Inc.
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*
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* This file is part of PortaPack.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2, or (at your option)
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; see the file COPYING. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street,
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* Boston, MA 02110-1301, USA.
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*/
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#include "ais_app.hpp"
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#include "string_format.hpp"
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#include "baseband_api.hpp"
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#include "portapack.hpp"
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using namespace portapack;
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#include <algorithm>
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namespace ais {
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namespace format {
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static std::string latlon_abs_normalized(const int32_t normalized, const char suffixes[2]) {
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const auto suffix = suffixes[(normalized < 0) ? 0 : 1];
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const uint32_t normalized_abs = std::abs(normalized);
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const uint32_t t = (normalized_abs * 5) / 3;
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const uint32_t degrees = t / (100 * 10000);
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const uint32_t fraction = t % (100 * 10000);
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return to_string_dec_uint(degrees) + "." + to_string_dec_uint(fraction, 6, '0') + suffix;
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}
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static std::string latlon(const Latitude latitude, const Longitude longitude) {
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if( latitude.is_valid() && longitude.is_valid() ) {
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return latlon_abs_normalized(latitude.normalized(), "SN") + " " + latlon_abs_normalized(longitude.normalized(), "WE");
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} else if( latitude.is_not_available() && longitude.is_not_available() ) {
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return "not available";
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} else {
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return "invalid";
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}
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}
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static std::string mmsi(
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const ais::MMSI& mmsi
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) {
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return to_string_dec_uint(mmsi, 9);
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}
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static std::string navigational_status(const unsigned int value) {
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switch(value) {
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case 0: return "under way w/engine";
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case 1: return "at anchor";
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case 2: return "not under command";
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case 3: return "restricted maneuv";
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case 4: return "constrained draught";
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case 5: return "moored";
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case 6: return "aground";
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case 7: return "fishing";
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case 8: return "sailing";
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case 9: case 10: case 13: return "reserved";
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case 11: return "towing astern";
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case 12: return "towing ahead/along";
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case 14: return "SART/MOB/EPIRB";
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case 15: return "undefined";
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default: return "unknown";
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}
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}
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static std::string rate_of_turn(const RateOfTurn value) {
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switch(value) {
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case -128: return "not available";
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case -127: return "left >5 deg/30sec";
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case 0: return "0 deg/min";
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case 127: return "right >5 deg/30sec";
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default:
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{
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std::string result = (value < 0) ? "left " : "right ";
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const float value_deg_sqrt = value / 4.733f;
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const int32_t value_deg = value_deg_sqrt * value_deg_sqrt;
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result += to_string_dec_uint(value_deg);
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result += " deg/min";
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return result;
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}
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}
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}
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static std::string speed_over_ground(const SpeedOverGround value) {
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if( value == 1023 ) {
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return "not available";
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} else if( value == 1022 ) {
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return ">= 102.2 knots";
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} else {
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return to_string_dec_uint(value / 10) + "." + to_string_dec_uint(value % 10, 1) + " knots";
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}
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}
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static std::string course_over_ground(const CourseOverGround value) {
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if( value > 3600 ) {
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return "invalid";
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} else if( value == 3600 ) {
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return "not available";
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} else {
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return to_string_dec_uint(value / 10) + "." + to_string_dec_uint(value % 10, 1) + " deg";
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}
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}
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static std::string true_heading(const TrueHeading value) {
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if( value == 511 ) {
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return "not available";
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} else if( value > 359 ) {
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return "invalid";
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} else {
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return to_string_dec_uint(value) + " deg";
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}
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}
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} /* namespace format */
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} /* namespace ais */
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void AISLogger::on_packet(const ais::Packet& packet) {
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// TODO: Unstuff here, not in baseband!
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std::string entry;
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entry.reserve((packet.length() + 3) / 4);
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for(size_t i=0; i<packet.length(); i+=4) {
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const auto nibble = packet.read(i, 4);
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entry += (nibble >= 10) ? ('W' + nibble) : ('0' + nibble);
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}
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log_file.write_entry(packet.received_at(), entry);
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}
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void AISRecentEntry::update(const ais::Packet& packet) {
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received_count++;
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switch(packet.message_id()) {
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case 1:
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case 2:
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case 3:
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navigational_status = packet.read(38, 4);
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last_position.rate_of_turn = packet.read(42, 8);
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last_position.speed_over_ground = packet.read(50, 10);
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last_position.timestamp = packet.received_at();
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last_position.latitude = packet.latitude(89);
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last_position.longitude = packet.longitude(61);
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last_position.course_over_ground = packet.read(116, 12);
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last_position.true_heading = packet.read(128, 9);
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break;
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case 4:
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last_position.timestamp = packet.received_at();
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last_position.latitude = packet.latitude(107);
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last_position.longitude = packet.longitude(79);
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break;
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case 5:
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call_sign = packet.text(70, 7);
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name = packet.text(112, 20);
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destination = packet.text(302, 20);
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break;
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case 21:
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name = packet.text(43, 20);
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last_position.timestamp = packet.received_at();
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last_position.latitude = packet.latitude(192);
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last_position.longitude = packet.longitude(164);
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break;
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default:
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break;
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}
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}
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namespace ui {
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template<>
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void RecentEntriesTable<AISRecentEntries>::draw(
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const Entry& entry,
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const Rect& target_rect,
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Painter& painter,
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const Style& style
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) {
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std::string line = ais::format::mmsi(entry.mmsi) + " ";
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if( !entry.name.empty() ) {
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line += entry.name;
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} else {
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line += entry.call_sign;
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}
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line.resize(target_rect.width() / 8, ' ');
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painter.draw_string(target_rect.location(), style, line);
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}
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AISRecentEntryDetailView::AISRecentEntryDetailView() {
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add_children({
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&button_done,
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});
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button_done.on_select = [this](const ui::Button&) {
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if( this->on_close ) {
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this->on_close();
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}
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};
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}
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void AISRecentEntryDetailView::focus() {
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button_done.focus();
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}
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Rect AISRecentEntryDetailView::draw_field(
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Painter& painter,
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const Rect& draw_rect,
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const Style& style,
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const std::string& label,
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const std::string& value
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) {
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const int label_length_max = 4;
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painter.draw_string(Point { draw_rect.left(), draw_rect.top() }, style, label);
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painter.draw_string(Point { draw_rect.left() + (label_length_max + 1) * 8, draw_rect.top() }, style, value);
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return { draw_rect.left(), draw_rect.top() + draw_rect.height(), draw_rect.width(), draw_rect.height() };
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}
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void AISRecentEntryDetailView::paint(Painter& painter) {
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View::paint(painter);
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const auto s = style();
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const auto rect = screen_rect();
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auto field_rect = Rect { rect.left(), rect.top() + 16, rect.width(), 16 };
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field_rect = draw_field(painter, field_rect, s, "MMSI", ais::format::mmsi(entry_.mmsi));
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field_rect = draw_field(painter, field_rect, s, "Name", entry_.name);
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field_rect = draw_field(painter, field_rect, s, "Call", entry_.call_sign);
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field_rect = draw_field(painter, field_rect, s, "Dest", entry_.destination);
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field_rect = draw_field(painter, field_rect, s, "Last", to_string_datetime(entry_.last_position.timestamp));
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field_rect = draw_field(painter, field_rect, s, "Pos ", ais::format::latlon(entry_.last_position.latitude, entry_.last_position.longitude));
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field_rect = draw_field(painter, field_rect, s, "Stat", ais::format::navigational_status(entry_.navigational_status));
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field_rect = draw_field(painter, field_rect, s, "RoT ", ais::format::rate_of_turn(entry_.last_position.rate_of_turn));
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field_rect = draw_field(painter, field_rect, s, "SoG ", ais::format::speed_over_ground(entry_.last_position.speed_over_ground));
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field_rect = draw_field(painter, field_rect, s, "CoG ", ais::format::course_over_ground(entry_.last_position.course_over_ground));
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field_rect = draw_field(painter, field_rect, s, "Head", ais::format::true_heading(entry_.last_position.true_heading));
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field_rect = draw_field(painter, field_rect, s, "Rx #", to_string_dec_uint(entry_.received_count));
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}
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void AISRecentEntryDetailView::set_entry(const AISRecentEntry& entry) {
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entry_ = entry;
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set_dirty();
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}
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AISAppView::AISAppView(NavigationView&) {
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baseband::run_image(portapack::spi_flash::image_tag_ais);
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add_children({
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&label_channel,
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&options_channel,
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&field_rf_amp,
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&field_lna,
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&field_vga,
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&rssi,
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&channel,
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&recent_entries_view,
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&recent_entry_detail_view,
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});
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recent_entry_detail_view.hidden(true);
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target_frequency_ = initial_target_frequency;
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radio::enable({
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tuning_frequency(),
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sampling_rate,
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baseband_bandwidth,
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rf::Direction::Receive,
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receiver_model.rf_amp(),
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static_cast<int8_t>(receiver_model.lna()),
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static_cast<int8_t>(receiver_model.vga()),
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});
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options_channel.on_change = [this](size_t, OptionsField::value_t v) {
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this->on_frequency_changed(v);
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};
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options_channel.set_by_value(target_frequency());
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recent_entries_view.on_select = [this](const AISRecentEntry& entry) {
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this->on_show_detail(entry);
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};
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recent_entry_detail_view.on_close = [this]() {
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this->on_show_list();
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};
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logger = std::make_unique<AISLogger>();
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if( logger ) {
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logger->append(u"ais.txt");
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}
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}
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AISAppView::~AISAppView() {
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radio::disable();
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baseband::shutdown();
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}
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void AISAppView::focus() {
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options_channel.focus();
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}
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void AISAppView::set_parent_rect(const Rect new_parent_rect) {
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View::set_parent_rect(new_parent_rect);
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const Rect content_rect { 0, header_height, new_parent_rect.width(), new_parent_rect.height() - header_height };
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recent_entries_view.set_parent_rect(content_rect);
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recent_entry_detail_view.set_parent_rect(content_rect);
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}
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void AISAppView::on_packet(const ais::Packet& packet) {
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if( logger ) {
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logger->on_packet(packet);
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}
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auto& entry = ::on_packet(recent, packet.source_id());
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entry.update(packet);
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recent_entries_view.set_dirty();
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// TODO: Crude hack, should be a more formal listener arrangement...
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if( entry.key() == recent_entry_detail_view.entry().key() ) {
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recent_entry_detail_view.set_entry(entry);
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}
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}
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void AISAppView::on_show_list() {
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recent_entries_view.hidden(false);
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recent_entry_detail_view.hidden(true);
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recent_entries_view.focus();
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}
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void AISAppView::on_show_detail(const AISRecentEntry& entry) {
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recent_entries_view.hidden(true);
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recent_entry_detail_view.hidden(false);
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recent_entry_detail_view.set_entry(entry);
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recent_entry_detail_view.focus();
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}
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void AISAppView::on_frequency_changed(const uint32_t new_target_frequency) {
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set_target_frequency(new_target_frequency);
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}
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void AISAppView::set_target_frequency(const uint32_t new_value) {
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target_frequency_ = new_value;
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radio::set_tuning_frequency(tuning_frequency());
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}
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uint32_t AISAppView::target_frequency() const {
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return target_frequency_;
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}
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uint32_t AISAppView::tuning_frequency() const {
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return target_frequency() - (sampling_rate / 4);
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}
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} /* namespace ui */
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