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Add AIS Class B Decoding

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This commit is contained in:
Arne Luehrs 2022-08-14 23:48:04 +08:00
parent f5a604a0a5
commit 5096f91986
1 changed files with 31 additions and 5 deletions
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36
firmware/application/apps/ais_app.cpp
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@ -76,7 +76,7 @@ static std::string mid(
mid_code = to_string_dec_uint(mmsi, 9, ' ').substr(0, 3); mid_code = to_string_dec_uint(mmsi, 9, ' ').substr(0, 3);
return_code = db.retrieve_mid_record(&mid_record, mid_code); return_code = db.retrieve_mid_record(&mid_record, mid_code);
switch(return_code) { switch(return_code) {
case DATABASE_RECORD_FOUND: return mid_record.country; case DATABASE_RECORD_FOUND: return mid_record.country;
case DATABASE_NOT_FOUND: return "No mids.db file"; case DATABASE_NOT_FOUND: return "No mids.db file";
default: return ""; default: return "";
} }
@ -164,7 +164,7 @@ void AISLogger::on_packet(const ais::Packet& packet) {
} }
log_file.write_entry(packet.received_at(), entry); log_file.write_entry(packet.received_at(), entry);
} }
void AISRecentEntry::update(const ais::Packet& packet) { void AISRecentEntry::update(const ais::Packet& packet) {
received_count++; received_count++;
@ -195,6 +195,15 @@ void AISRecentEntry::update(const ais::Packet& packet) {
destination = packet.text(302, 20); destination = packet.text(302, 20);
break; 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: case 21:
name = packet.text(43, 20); name = packet.text(43, 20);
last_position.timestamp = packet.received_at(); last_position.timestamp = packet.received_at();
@ -202,6 +211,23 @@ void AISRecentEntry::update(const ais::Packet& packet) {
last_position.longitude = packet.longitude(164); last_position.longitude = packet.longitude(164);
break; 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: default:
break; break;
} }
@ -252,7 +278,7 @@ AISRecentEntryDetailView::AISRecentEntryDetailView(NavigationView& nav) {
}); });
send_updates = true; send_updates = true;
}; };
} }
@ -262,7 +288,7 @@ AISRecentEntryDetailView::AISRecentEntryDetailView(const AISRecentEntryDetailVie
(void)Entry; (void)Entry;
} }
AISRecentEntryDetailView & AISRecentEntryDetailView::operator=(const AISRecentEntryDetailView&Entry) AISRecentEntryDetailView & AISRecentEntryDetailView::operator=(const AISRecentEntryDetailView&Entry)
{ {
(void)Entry; (void)Entry;
return *this; return *this;
@ -352,7 +378,7 @@ AISAppView::AISAppView(NavigationView& nav) : nav_ { nav } {
receiver_model.set_sampling_rate(sampling_rate); receiver_model.set_sampling_rate(sampling_rate);
receiver_model.set_baseband_bandwidth(baseband_bandwidth); receiver_model.set_baseband_bandwidth(baseband_bandwidth);
receiver_model.enable(); // Before using radio::enable(), but not updating Ant.DC-Bias. receiver_model.enable(); // Before using radio::enable(), but not updating Ant.DC-Bias.
options_channel.on_change = [this](size_t, OptionsField::value_t v) { options_channel.on_change = [this](size_t, OptionsField::value_t v) {
this->on_frequency_changed(v); this->on_frequency_changed(v);
}; };