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AISView displays list of most recent packets -- MMSI and name or call sign.

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Formerly scrolling console of packets.
This commit is contained in:
Jared Boone 2015-12-03 20:34:02 -08:00
parent 0cad2847f8
commit 3644bfd983
2 changed files with 92 additions and 26 deletions
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86
firmware/application/app_ais.cpp
View File

@ -28,6 +28,8 @@ using namespace portapack;
#include "string_format.hpp"
#include <algorithm>
namespace baseband {
namespace ais {
@ -316,7 +318,7 @@ bool AISModel::on_packet(const baseband::ais::Packet& packet) {
namespace ui {
void AISView::on_show() {
Console::on_show();
View::on_show();
auto& message_map = context().message_map();
message_map.register_handler(Message::ID::AISPacket,
@ -336,53 +338,87 @@ void AISView::on_hide() {
auto& message_map = context().message_map();
message_map.unregister_handler(Message::ID::AISPacket);
Console::on_hide();
View::on_hide();
}
void AISView::log(const baseband::ais::Packet& packet) {
std::string result { to_string_dec_uint(packet.message_id(), 2) + " " + to_string_dec_uint(packet.source_id(), 10) };
const auto source_id = packet.source_id();
auto matching_recent = std::find_if(recent.begin(), recent.end(),
[source_id](const AISView::RecentEntry& entry) { return entry.mmsi == source_id; }
);
if( matching_recent != recent.end() ) {
// Found within. Move to front of list, increment counter.
recent.push_front(*matching_recent);
recent.erase(matching_recent);
} else {
recent.emplace_front(source_id);
while(recent.size() > 64) {
recent.pop_back();
}
}
auto& entry = recent.front();
entry.received_count++;
switch(packet.message_id()) {
case 1:
case 2:
case 3:
{
const auto navigational_status = packet.read(38, 4);
result += " " + baseband::ais::format_navigational_status(navigational_status);
result += " " + baseband::ais::format_latlon_normalized(packet.latitude(89));
result += " " + baseband::ais::format_latlon_normalized(packet.longitude(61));
}
entry.navigational_status = packet.read(38, 4);
entry.last_position.timestamp = packet.received_at();
entry.last_position.latitude = packet.latitude(89);
entry.last_position.longitude = packet.longitude(61);
break;
case 4:
{
result += " " + baseband::ais::format_datetime(packet.datetime(38));
result += " " + baseband::ais::format_latlon_normalized(packet.latitude(107));
result += " " + baseband::ais::format_latlon_normalized(packet.longitude(79));
}
// packet.datetime(38)
entry.last_position.timestamp = packet.received_at();
entry.last_position.latitude = packet.latitude(107);
entry.last_position.longitude = packet.longitude(79);
break;
case 5:
{
const auto call_sign = packet.text(70, 7);
const auto name = packet.text(112, 20);
const auto destination = packet.text(302, 20);
result += " \"" + call_sign + "\" \"" + name + "\" \"" + destination + "\"";
}
entry.call_sign = packet.text(70, 7);
entry.name = packet.text(112, 20);
entry.destination = packet.text(302, 20);
break;
case 21:
{
const auto name = packet.text(43, 20);
result += " \"" + name + "\" " + baseband::ais::format_latlon_normalized(packet.latitude(192)) + " " + baseband::ais::format_latlon_normalized(packet.longitude(164));
}
entry.name = packet.text(43, 20);
entry.last_position.timestamp = packet.received_at();
entry.last_position.latitude = packet.latitude(192);
entry.last_position.longitude = packet.longitude(164);
break;
default:
break;
}
writeln(result);
set_dirty();
}
void AISView::paint(Painter& painter) {
const auto r = screen_rect();
const auto& s = style();
auto p = r.pos;
for(const auto entry : recent) {
std::string line = to_string_dec_uint(entry.mmsi, 10) + " ";
if( !entry.name.empty() ) {
line += entry.name;
} else {
line += entry.call_sign;
}
line.resize(r.width() / 8, ' ');
painter.draw_string(p, s, line);
p.y += s.font.line_height();
if( p.y >= r.bottom() ) {
break;
}
}
}
} /* namespace ui */

32
firmware/application/app_ais.hpp
View File

@ -34,6 +34,7 @@ using namespace lpc43xx;
#include <cstddef>
#include <string>
#include <bitset>
#include <list>
#include <utility>
namespace baseband {
@ -115,14 +116,43 @@ private:
namespace ui {
class AISView : public Console {
class AISView : public View {
public:
void on_show() override;
void on_hide() override;
void paint(Painter& painter) override;
private:
AISModel model;
struct Position {
rtc::RTC timestamp { };
baseband::ais::Latitude latitude { 0 };
baseband::ais::Longitude longitude { 0 };
};
struct RecentEntry {
baseband::ais::MMSI mmsi;
std::string name;
std::string call_sign;
std::string destination;
Position last_position;
size_t received_count;
int8_t navigational_status;
RecentEntry(
const baseband::ais::MMSI& mmsi
) : mmsi { mmsi },
last_position { },
received_count { 0 },
navigational_status { -1 }
{
}
};
std::list<RecentEntry> recent;
void log(const baseband::ais::Packet& packet);
};