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SAE J2735-Draft-Rev18 [issued: 06-26-07]
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172 -
This is an SAE Motor Vehicle Council draft document of the DSRC committee, subject to change.
<xs:restriction base="xs:short">
<xs:minInclusive value="-340"/>
<xs:maxInclusive value="340"/>
</xs:restriction>
</xs:simpleType>
9.4 Data Element: DE_MessageType
Use: The basic type of message that follows. This value describes not only the specific message type but
the implicitly defined encoding of the bytes that follow in the message.
ASN.1 Representation:
MessageType ::= ENUMERATED {
-- Safety System messages
item_1 (0), -- Basic
-- Safety Vehicle messages
item_2 (1), -- Basic
item_3 (2), -- Common
item_4 (3), -- Connect
item_5 (4), -- Identify
item_6 (5), -- Notice
item_7 (6), -- Synchronize
item_8 (7), --
item_9 (8), --
item_10 (9), --
item_11 (10), --
item_12 (11), --
item_13 (12), --
item_14 (13), --
item_15 (14), --
item_16 (15), --
-- Safety Infrastructure messages
item_xx (16), -- Basic
item_xx (17), --
item_xx (18), --
item_xx (19), --
-- Safety Environment messages
item_xx (20), -- Local Basic
item_xx (21), --
item_xx (22), -- Global Basic
item_xx (23), --
-- Rest to be defined later,
-- will there by any 'local' types here?
...
}
XML Representation:
<xs:simpleType name="MessageType" >
<xs:annotation>
<xs:appinfo>
-- Safety System messages
item_1 (0) -- Basic
-- Safety Vehicle messages
item_2 (1) -- Basic
item_3 (2) -- Common
item_4 (3) -- Connect
item_5 (4) -- Identify
item_6 (5) -- Notice
item_7 (6) -- Synchronize
item_8 (7)
item_9 (8)
item_10 (9)
item_11 (10)
item_12 (11)