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package nmea
const (
// TypeHSC type of HSC sentence for Heading steering command
TypeHSC = "HSC"
)
// HSC - Heading steering command
// https://gpsd.gitlab.io/gpsd/NMEA.html#_hsc_heading_steering_command
// https://www.tronico.fi/OH6NT/docs/NMEA0183.pdf (page 11)
//
// Format: $--HSC, x.x, T, x.x, M,a*hh<CR><LF>
// Example: $FTHSC,40.12,T,39.11,M*5E
type HSC struct {
BaseSentence
TrueHeading float64 // Heading Degrees, True
TrueHeadingType string // T = True
MagneticHeading float64 // Heading Degrees, Magnetic
MagneticHeadingType string // M = Magnetic
}
// newHSC constructor
func newHSC(s BaseSentence) (Sentence, error) {
p := NewParser(s)
p.AssertType(TypeHSC)
return HSC{
BaseSentence: s,
TrueHeading: p.Float64(0, "true heading"),
TrueHeadingType: p.EnumString(1, "true heading type", HeadingTrue),
MagneticHeading: p.Float64(2, "magnetic heading"),
MagneticHeadingType: p.EnumString(3, "magnetic heading type", HeadingMagnetic),
}, p.Err()
}
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