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package nmea
const (
// TypeROT type of ROT sentence for vessel rate of turn
TypeROT = "ROT"
// ValidROT data is valid
ValidROT = "A"
// InvalidROT data is invalid
InvalidROT = "V"
)
// ROT is sentence for rate of turn.
// https://gpsd.gitlab.io/gpsd/NMEA.html#_rot_rate_of_turn
//
// Format: $HEROT,-xxx.x,A*hh<CR><LF>
// Example: $HEROT,-11.23,A*07
type ROT struct {
BaseSentence
RateOfTurn float64 // rate of turn Z in deg/min (- means bow turns to port)
Valid bool // "A" data valid, "V" invalid data
}
func newROT(s BaseSentence) (Sentence, error) {
p := NewParser(s)
p.AssertType(TypeROT)
return ROT{
BaseSentence: s,
RateOfTurn: p.Float64(0, "rate of turn"),
Valid: p.EnumString(1, "status valid", ValidROT, InvalidROT) == ValidROT,
}, p.Err()
}
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