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package nmea
const (
// TypeHBT type of HBT sentence for heartbeat supervision sentence.
TypeHBT = "HBT"
)
// HBT is heartbeat supervision sentence to indicate if equipment is operating normally.
// https://fcc.report/FCC-ID/ADB9ZWRTR100/2768717.pdf (page 1) FURUNO MARINE RADAR, model FAR-15XX manual
//
// Format: $--HBT,x.x,A,x*hh<CR><LF>
// Example: $HCHBT,98.3,0.0,E,12.6,W*57
type HBT struct {
BaseSentence
// Interval is configured repeat interval in seconds (1 - 999, null)
Interval float64
// OperationStatus is equipment operation status: A = ok, V = not ok
OperationStatus string
// MessageID is sequential message identifier (0 - 9). Counts to 9 and resets to 0.
MessageID int64
}
// newHBT constructor
func newHBT(s BaseSentence) (Sentence, error) {
p := NewParser(s)
p.AssertType(TypeHBT)
m := HBT{
BaseSentence: s,
Interval: p.Float64(0, "interval"),
OperationStatus: p.EnumString(1, "operation status", StatusValid, StatusInvalid),
MessageID: p.Int64(2, "message ID"),
}
return m, p.Err()
}
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