mayhem-firmware/firmware/application/app_ais.hpp

200 lines
3.9 KiB
C++

/*
* 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.
*/
#ifndef __APP_AIS_H__
#define __APP_AIS_H__
#include "ui_console.hpp"
#include "message.hpp"
#include "log_file.hpp"
#include "field_reader.hpp"
#include "packet.hpp"
#include "lpc43xx_cpp.hpp"
using namespace lpc43xx;
#include <cstdint>
#include <cstddef>
#include <string>
#include <bitset>
#include <list>
#include <utility>
#include <iterator>
namespace baseband {
namespace ais {
struct BitRemap {
size_t operator()(const size_t bit_index) const {
return bit_index ^ 7;
}
};
using FieldReader = ::FieldReader<::Packet, BitRemap>;
struct DateTime {
uint16_t year;
uint8_t month;
uint8_t day;
uint8_t hour;
uint8_t minute;
uint8_t second;
};
using Latitude = int32_t;
using Longitude = int32_t;
using MMSI = uint32_t;
class Packet {
public:
constexpr Packet(
const rtc::RTC& received_at,
const ::Packet& packet
) : packet_ { packet },
received_at_ { received_at },
field_ { packet_ }
{
}
size_t length() const;
bool is_valid() const;
rtc::RTC received_at() const;
uint32_t message_id() const;
MMSI user_id() const;
MMSI source_id() const;
uint32_t read(const size_t start_bit, const size_t length) const;
std::string text(const size_t start_bit, const size_t character_count) const;
DateTime datetime(const size_t start_bit) const;
Latitude latitude(const size_t start_bit) const;
Longitude longitude(const size_t start_bit) const;
bool crc_ok() const;
private:
const ::Packet packet_;
const rtc::RTC received_at_;
const FieldReader field_;
const size_t fcs_length = 16;
size_t data_and_fcs_length() const;
size_t data_length() const;
bool length_valid() const;
};
} /* namespace ais */
} /* namespace baseband */
class AISModel {
public:
AISModel();
bool on_packet(const baseband::ais::Packet& packet);
private:
LogFile log_file;
};
namespace ui {
class AISView : public View {
public:
AISView() {
flags.focusable = true;
}
void on_show() override;
void on_hide() override;
void paint(Painter& painter) override;
void on_focus() override;
void on_blur() override;
bool on_encoder(const EncoderEvent event) override;
private:
AISModel model;
using EntryKey = baseband::ais::MMSI;
EntryKey selected_key;
const EntryKey invalid_key = 0xffffffff;
bool has_focus = false;
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 }
{
}
};
using RecentEntries = std::list<RecentEntry>;
RecentEntries recent;
void on_packet(const baseband::ais::Packet& packet);
void draw_entry(
const RecentEntry& entry,
const Rect& target_rect,
Painter& painter,
const Style& s
);
void truncate_entries();
RecentEntries::iterator selected_entry();
void advance(const int32_t amount);
};
} /* namespace ui */
#endif/*__APP_AIS_H__*/