asn.1 update

BEGIN

IMPORTS 

    Latitude, Longitude, ProfileParameters, StationID 

    Latitude, Longitude, Elevation, BasicVehicle, ProfileParameters, StationID, TimeStamp, ReferencePositionVehicle 

FROM CAM-PDU-Descriptions { itu-t (0) identified-organization (4) etsi (0) itsDomain (5) wg1 (1) ts (102637) cam (2) version1 (1) };

--STF405: all unnecessary tags have been removed

--STF405: doubled defined, renamed

--DecentralizedSituation ::= SEQUENCE {

DecentralizedEnvironmentalNotificationMessage ::= SEQUENCE {

	management	DecentralizedSituationManagement,	--  container with DEN management and version control

	situation	DecentralizedSituation,  			-- container with event description, incl. type, severity

	location	DecentralizedSituationLocation		-- container with event location, location referencing with more detailed location description and the relevance area

 }

DecentralizedSituationManagement::= SEQUENCE {

	-- protocol version number of the DENM

	protocolVersion	INTEGER (0..255),

	-- unique message type identifier assigned to the DENM		

	messageID	MessageID,	-- 1 byte 

	messageID	INTEGER(0..255),	-- 1 byte 

	-- time at which an originator  ITS  station generates the DENM

	generationtime	TimeStamp,		--  6 byte

	generationTime	TimeStamp,		--  6 byte

	management	DecentralizedSituationManagement,	--  container with DEN management and version control

	situation	DecentralizedSituation,  			-- container with event description, incl. type, severity

	location	DecentralizedSituationLocation,		-- container with event location, location referencing with more detailed location description and the relevance area

	...

 }

DecentralizedSituationManagement::= SEQUENCE {

	-- unique identifier about an event from one originator ITS station, combination of node ID and a sequence number

	actionID	ActionID,	-- 6 byte

	-- version of the DENM indicating updates from the same originator ITS station; value of 255 is used for the  cancellation message sent from the originator ITS station

	-- STF405: changed inline definition to explicit

	-- STF405: changed to profile based on the changes in the CAM module

	-- taggedList	SET SIZE(0..32) OF TaggedList OPTIONAL 

	-- optional taggedlist with TaggedValue  OPTIONAL

	commonParameters	BasicVehicle OPTIONAL,

	profile ProfileParameters    OPTIONAL

}

DecentralizedSituationLocation::= SEQUENCE {

	-- description of the event position

	-- STF405: as the eventPosition CHOICe is extensible the EventArea type can be added when needed

	eventPosition	CHOICE	{

		-- the geographical position of the reference position 

		refPosition	[0] RefPosition,	

--		refPosition	RefPosition,	

		refPosition	ReferencePositionVehicle,	

		...

	},

	-- description of  the relevance area for the  DENM dissemination

	--STF405:  type definition of RelevanceArea missing!

	--STF405:  changed DecentralizedSituationLocation to extensible SEQUENCE, so that definition of RelevanceArea can be added when needed!

	--relevanceArea	RelevanceArea,

	-- location referencing of the event position

	locationRef	CHOICE {

		-- consequence position of the trace location referencing mechanism

		trace	[0]	TraceLocData,

		trace	TraceLocData,

		-- more location referencing mechanism to be added

		...

	},

	...

}

}

MessageID ::=  	INTEGER (0..255) 		-- 1 byte

--STF405: renamed to TimeStamp as this is actually referenced, LongTimeStamp never

--STF405: changed MessageID to inline definition, as in CAM

--MessageID ::=  	INTEGER (0..255) 		-- 1 byte

--STF405: uses imported TimeStamp type instead as this is actually referenced, LongTimeStamp never

--LongTimeStamp ::=	INTEGER (0.. 281474976710655)		

TimeStamp ::=	INTEGER (0.. 281474976710655)		-- units of milliseconds, 6 byte

ActionID ::= SEQUENCE {

	stationID 	StationID,	-- a 4 byte value

-- 	...

-- }

RefPosition ::= SEQUENCE {

	situationLat	Latitude,  	-- 4 bytes

	situationLong	Longitude,  	-- 4 bytes

	situationAlt	Altitude,	-- 2 bytes

	-- accuracy of the reference position

	accuracy	PositionAccuracy,	-- 4 bytes	

	-- speed of the detected event if it is in mobility, i.e. vehicle station

	speed	Speed	OPTIONAL,		-- 2 bytes

	-- direction of the event if it is in mobility, i.e. vehicle station

	direction	Direction	OPTIONAL	-- 2 bytes

}

--STF405: replaced by imported type from CAM

--RefPosition ::= SEQUENCE {

--	situationLat	Latitude,  	-- 4 bytes

--	situationLong	Longitude,  	-- 4 bytes

--	situationAlt	Altitude,	-- 2 bytes

--	-- accuracy of the reference position

--	accuracy	PositionAccuracy,	-- 4 bytes	

--	-- speed of the detected event if it is in mobility, i.e. vehicle station

--	speed	Speed	OPTIONAL,		-- 2 bytes

--	-- direction of the event if it is in mobility, i.e. vehicle station

--	direction	Direction	OPTIONAL	-- 2 bytes

--}

Altitude ::= INTEGER (-10000..16767215) 	-- multiples of 0.1 m

PositionAccuracy ::= OCTET STRING (SIZE(4))	

--STF405: removed OPTIONAL, as it is syntactically incorrect

Direction ::= INTEGER{north(0), east(7200), south(14400), west(21600)} (0..28799)

--STF405: removed Direction, as it is imported from CAM

--Direction ::= INTEGER{north(0), east(7200), south(14400), west(21600)} (0..28799)

--STF405: removed OPTIONAL, as it is syntactically incorrect

Speed ::= INTEGER (-32765..32765)	 -- multiples of 0.01 m/s 

	--  waypoint positions included in the trace.	

	ptLat 	Latitude,							--a 4 bytes value 

	ptLong 	Longitude,						--a 4 bytes value

	ptAlt 	Altitude,							--a 2 bytes value

--STF405: type name is made consistent with CAM definitions

--	ptAlt 	Altitude,							--a 2 bytes value

	ptAlt 	Elevation,

	...

	--STF405: removed repetition

}