nmea

type EastWest uint8

type ErrInvalidChecksum struct {
	Expected uint8
	Got      uint8
	Pkg      string
}

type ErrInvalidFields struct {
	*Message
}

type ErrInvalidLength struct {
	Expected int
	Got      int
}

type ErrInvalidPrefix struct {
	Field string
}

type ErrInvalidType struct {
	Expected string
	Received string
}

type ErrUnknownType struct {
	Type string
}

type GPGLL struct {
	LatitudeDegree int
	LatitudeMinute float32

	NorthSouth NorthSouth

	LongitudeDegree int
	LongitudeMinute float32

	EastWest EastWest

	UTCHour    int
	UTCMinute  int
	UTCSecond  int
	UTCSecondf float32

	Valid bool
}

type GPRMC struct {
	UTCHour    int
	UTCMinute  int
	UTCSecond  int
	UTCSecondf float32

	Valid bool

	LatitudeDegree int
	LatitudeMinute float32

	NorthSouth NorthSouth

	LongitudeDegree int
	LongitudeMinute float32

	EastWest EastWest

	Speed float32 // speed over ground knots
	COG   int     // course over ground in degree

	DateDay   int
	DateMonth int
	DateYear  int

	MagneticVariation   int
	MagneticVariationEW EastWest

	PositionMode PositionMode
}

type GPTXT struct {
	TotalMsg int // msgs in transmission
	MsgNum   int // this msgs id in said transmission
	Severity int // ??? 02 ig?

	Text string
}

type Message struct {
	Type     string
	Fields   []string
	Checksum uint8
}

type NMEAMessage interface {
	Type() string
	Serialize() string
	Parse(m *Message) error
	Pretty() string
}

type NorthSouth uint8

type PositionMode uint8