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package nmea
const (
// TypeTHS type for THS sentences
TypeTHS = "THS"
// AutonomousTHS autonomous ths heading
AutonomousTHS = "A"
// EstimatedTHS estimated (dead reckoning) THS heading
EstimatedTHS = "E"
// ManualTHS manual input THS heading
ManualTHS = "M"
// SimulatorTHS simulated THS heading
SimulatorTHS = "S"
// InvalidTHS not valid THS heading (or standby)
InvalidTHS = "V"
)
// THS is the Actual vessel heading in degrees True with status.
// http://www.nuovamarea.net/pytheas_9.html
// http://manuals.spectracom.com/VSP/Content/VSP/NMEA_THSmess.htm
//
// Format: $--THS,xxx.xx,c*hh<CR><LF>
// Example: $GPTHS,338.01,A*36
type THS struct {
BaseSentence
Heading float64 // Heading in degrees
Status string // Heading status
}
// newTHS constructor
func newTHS(s BaseSentence) (Sentence, error) {
p := NewParser(s)
p.AssertType(TypeTHS)
m := THS{
BaseSentence: s,
Heading: p.Float64(0, "heading"),
Status: p.EnumString(1, "status", AutonomousTHS, EstimatedTHS, ManualTHS, SimulatorTHS, InvalidTHS),
}
return m, p.Err()
}
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