DENM-PDU-Descriptions {
 itu-t (0) identified-organization (4) etsi (0) itsDomain (5) wg1 (1) en (302637) denm (1) version (1) 
}

DEFINITIONS AUTOMATIC TAGS ::= 

BEGIN

IMPORTS 
   ItsPduHeader, CauseCode, Percentage, StationID, Movement, InformationQuality, ReferencePosition, DangerousGoodsExtended, Direction, LaneCount, LaneNumber, LightBarSirenInUse, PathHistory, RoadClass, HeightLonCarr, PosLonCarr, PosPillar, PosCentMass, PositioningSolutionType, StationType, SpeedLimit, StationarySince, TimestampIts, WheelBaseVehicle, TurningRadius, PosFrontAx, PositionOfOccupants, Temperature, VehicleMass, VehicleIdentification, EnergyStorageType FROM ITS-Container {
 itu-t (0) identified-organization (4) etsi (0) itsDomain (5) wg1 (1) en (302637) cc (0) version (1) 
};


DENM ::= SEQUENCE {
	header	ItsPduHeader,
	denm	DecentralizedEnvironmentalNotificationMessage

}

DecentralizedEnvironmentalNotificationMessage ::= SEQUENCE {
	
	management	ManagementContainer,
	situation	SituationContainer OPTIONAL,
  	location	LocationContainer OPTIONAL,
   	alacarte	AlacarteContainer OPTIONAL
}

ManagementContainer ::= SEQUENCE {
	actionID	ActionID,
	dataVersion	DataVersion,
	detectionTime	TimestampIts,
	isNegation	BOOLEAN,
	eventPosition	ReferencePosition,
	relevanceDistance	RelevanceDistance,
	relevanceTrafficDirection RelevanceTrafficDirection,
	validityDuration	ValidityDuration DEFAULT defaultValidity,
	transmissionInterval	TransmissionInterval OPTIONAL 
}

SituationContainer ::= SEQUENCE {
	informationQuality InformationQuality,
	eventType CauseCode,
	linkedCause CauseCode OPTIONAL
}

LocationContainer ::= SEQUENCE {
	eventSpeed Movement OPTIONAL,
	eventPositionHeading Direction OPTIONAL,
	traces Traces,
	roadClass RoadClass OPTIONAL
}

ImpactReductionContainer ::= SEQUENCE {
  heightLonCarrLeft HeightLonCarr,
  heightLonCarrRight HeightLonCarr,
  posLonCarrLeft PosLonCarr,
  posLonCarrRight PosLonCarr,
  positionOfPillars PositionOfPillars,
  posCentMass PosCentMass,
  wheelBaseVehicle WheelBaseVehicle,
  turningRadius TurningRadius,
  posFrontAx PosFrontAx,
  positionOfOccupants PositionOfOccupants,
  vehicleMass VehicleMass 
}

PositionOfPillars ::= SEQUENCE (SIZE(1..3, ...)) OF PosPillar

 RoadWorksContainerExtended ::= SEQUENCE {
  lightBarSirenInUse LightBarSirenInUse OPTIONAL,
  closedLanes LaneSets OPTIONAL,
  restriction RestrictedTypes OPTIONAL,
  speedLimit SpeedLimit OPTIONAL,
  incidentIndication CauseCode OPTIONAL,
  recommendedPath ItineraryPath OPTIONAL	--Traces without timestamps
 }

LaneSets ::= SEQUENCE OF LaneNumber

RestrictedTypes ::= SEQUENCE OF StationType

StationaryVehicleContainer ::= SEQUENCE {
 stationType StationType,
 stationarySince StationarySince OPTIONAL,
 stationaryCause CauseCode OPTIONAL,
 carryingDangerousGoods DangerousGoodsExtended OPTIONAL,
 numberOfOccupants INTEGER(0..127) OPTIONAL,
 vehicleIdentification VehicleIdentification OPTIONAL,
 energyStorageType EnergyStorageType OPTIONAL
}


AlacarteContainer ::= SEQUENCE {
	laneCount LaneCount OPTIONAL,
	impactReduction	ImpactReductionContainer OPTIONAL,
	externalTemperature Temperature OPTIONAL,
	roadWorks RoadWorksContainerExtended OPTIONAL,
	positioningSolution PositioningSolutionType OPTIONAL,
	stationaryVehicle StationaryVehicleContainer OPTIONAL,
	...
}

 ActionID ::= SEQUENCE {

  originatorStationID StationID,
  sequenceNumber SequenceNumber
 }

 SequenceNumber ::=	INTEGER (0..65535)

 DataVersion ::= INTEGER {firstVersion(0),secondVersion(1), cancellation(255) } (0..255)

 defaultValidity INTEGER ::= 600
 
 ValidityDuration ::=	INTEGER { timeOfDetection(0), oneSecondAfterDetection(1) } (0..86400)
 
 Traces ::= SEQUENCE SIZE(0..7) OF PathHistory
    
 ItineraryPath ::= SEQUENCE SIZE(0..40) OF ReferencePosition
 
 TransmissionInterval ::= INTEGER { oneMilliSecond(1), tenSeconds(10000) } (1..10000)
 
 RelevanceDistance ::= ENUMERATED { lessThan50m(0)
, lessThan100m(1), lessThan200m(2), lessThan500m(3), lessThan1000m(4), lessThan5km(5), lessThan10km(6), over10km(7) }
  
 RelevanceTrafficDirection ::= ENUMERATED { unavailable(0), upstreamTraffic(1), downstreamTraffic(2), allTrafficDirection(3) }

END