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package nmea
const (
// TypeQuery type of Query sentence for a listener to request a particular sentence from a talker
TypeQuery = "Q"
)
// Query sentences is special type of sentence for a listener to request a particular sentence from a talker.
// https://www.tronico.fi/OH6NT/docs/NMEA0183.pdf (page 3)
//
// Format: $ttllQ,sss*hh<CR><LF>
// Example: $CCGPQ,GGA*2B<CR><LF>
type Query struct {
BaseSentence
DestinationTalkerID string
RequestedSentence string
}
// newQuery constructor
func newQuery(s BaseSentence) (Sentence, error) {
p := NewParser(s)
p.AssertType(TypeQuery)
return Query{
BaseSentence: s,
DestinationTalkerID: s.Raw[3:5],
RequestedSentence: p.String(0, "requested sentence"),
}, p.Err()
}
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