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Separate AIS packet and formatting code from app code.

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This commit is contained in:
Jared Boone
2015-12-08 15:49:20 -08:00
parent 218d81fc60
commit 37d7d5b273
5 changed files with 345 additions and 281 deletions
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75
firmware/application/ais_app.hpp
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@@ -22,11 +22,10 @@
#ifndef __AIS_APP_H__
#define __AIS_APP_H__
#include "ui_console.hpp"
#include "message.hpp"
#include "ui_widget.hpp"
#include "log_file.hpp"
#include "field_reader.hpp"
#include "baseband_packet.hpp"
#include "ais_packet.hpp"
#include "lpc43xx_cpp.hpp"
using namespace lpc43xx;
@@ -34,79 +33,11 @@ using namespace lpc43xx;
#include <cstdint>
#include <cstddef>
#include <string>
#include <bitset>
#include <list>
#include <utility>
#include <iterator>
namespace baseband {
namespace ais {
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 baseband::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:
using Reader = FieldReader<baseband::Packet, BitRemapByteReverse>;
const baseband::Packet packet_;
const rtc::RTC received_at_;
const Reader 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();