![]() ![]() ![]() ![]() SAE J2735-Draft-Rev26 [issued: 09-18-08]
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This is an SAE Motor Vehicle Council draft document of the DSRC committee, subject to change.
7.88 Data Element: DE_MinuteOfTheYear
Use: The DE_MinuteOfTheYear is used to set the value of the current minute within the current year (used
to establish start and end times) for sending messages to travelers.
ASN.1 Representation:
MinuteOfTheYear ::= INTEGER (0..525960)
XML Representation:
<xs:simpleType name="MinuteOfTheYear" >
<xs:restriction base="xs:unsignedInt">
<xs:maxInclusive value="525960"/>
</xs:restriction>
</xs:simpleType>
Used By: This entry is used directly by one other data structure in this standard, a DF called
MSG_TravelerInformation <ASN> <XML>. In addition, this item may be used by data structures in
other ITS standards.
7.89 Data Element: DE_MinutesDuration
Use: AAA An empty definition field.
ASN.1 Representation:
MinutesDuration ::= INTEGER (0..65000) -- edit to proper ranges. add predefined values
XML Representation:
<xs:simpleType name="MinutesDuration" >
<xs:annotation>
<xs:documentation>
edit to proper ranges. add predefined values
</xs:documentation>
</xs:annotation>
<xs:restriction base="xs:unsignedShort">
<xs:maxInclusive value="65000"/>
</xs:restriction>
</xs:simpleType>
Used By: This entry is used directly by one other data structure in this standard, a DF called
MSG_TravelerInformation <ASN> <XML>. In addition, this item may be used by data structures in
other ITS standards.
7.90 Data Element: DE_MsgCount
Use: The DE_MsgCount data element is used (typically as the 2nd word of each message) to provide a
sequence number for all messages of the same type. Sequential messages of the same type (and from the
same sending device) are expected to have sequential numbering advancing by one with each new message
(regardless of the number of applications that may be involved in the creation or use). The receipt of a
non-sequential number implies that a stream of messages from that sending device has been lost. Note that
the sequence is tied to each message type, not the application, nor the device. The value rolls over from
127 to zero. The value send may restart any time the device has not transmitted a messages of that type for
more than 10 seconds.
ASN.1 Representation:
MsgCount ::= INTEGER (0..127)
XML Representation:
<xs:simpleType name="MsgCount" >
<xs:restriction base="xs:unsignedByte">
<xs:maxInclusive value="127"/>
</xs:restriction>
</xs:simpleType>
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