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package nmea
const (
// TypeALA type of ALA sentence for System Faults and alarms
TypeALA = "ALA"
)
// ALA - System Faults and alarms
// Source: "Interfacing Voyage Data Recorder Systems, AutroSafe Interactive Fire-Alarm System, 116-P-BSL336/EE, RevA 2007-01-25,
// Autronica Fire and Security AS " (page 31 | p.8.1.3)
// https://product.autronicafire.com/fileshare/fileupload/14251/bsl336_ee.pdf
//
// Format: $FRALA,hhmmss,aa,aa,xx,xxx,a,a,c-cc*hh<CR><LF>
// Example: $FRALA,143955,FR,OT,00,901,N,V,Syst Fault : AutroSafe comm. OK*4F
type ALA struct {
BaseSentence
// Time is Event Time
Time Time
// SystemIndicator is system indicator of original alarm source. Detector system type with 2 char identifier.
// Values not known
// https://www.nmea.org/Assets/20190303%20nmea%200183%20talker%20identifier%20mnemonics.pdf
SystemIndicator string
// SubSystemIndicator is sub system equipment indicator of original alarm source
SubSystemIndicator string
// InstanceNumber is instance number of equipment/unit/item (00-99)
InstanceNumber int64
// Type is alarm type (000-999)
Type int64
// Condition describes the condition triggering current message
// * N – Normal state (OK)
// * H - Alarm state (fault);
// could be more
Condition string
// AlarmAckState is Alarm's acknowledge state
// * A – Acknowledged
// * H - Harbour mode
// * V – Not acknowledged
// * O - Override
// could be more
AlarmAckState string
// Message's description text (could be cut to fit max packet length)
Message string
}
// newALA constructor
func newALA(s BaseSentence) (Sentence, error) {
p := NewParser(s)
p.AssertType(TypeALA)
return ALA{
BaseSentence: s,
Time: p.Time(0, "time"),
SystemIndicator: p.String(1, "system indicator"),
SubSystemIndicator: p.String(2, "subsystem indicator"),
InstanceNumber: p.Int64(3, "instance number"),
Type: p.Int64(4, "type"),
Condition: p.String(5, "condition"), // string as there could be more
AlarmAckState: p.String(6, "alarm acknowledgement state"), // string as there could be more
Message: p.String(7, "message"),
}, p.Err()
}
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