A UADP DataSetMessage header shall consist of the following fields according to this header layout:
Additional restrictions:
- Fields within the payload use RawData Field Encoding
- Only data key frame DataSetMessages are supported
The DataSetMessage header layout is shown in Figure A.4.
Figure A.4 – UADP DataSetMessage header layout
Table A.5 shows the configuration for the DataSetMessage header.
Table A.5 – UADP DataSetMessage header layout
|
Name |
Type |
Restrictions |
|
DataSetFlags1 |
Byte |
Bit 0: Indicates whether this DataSetMessage is valid Bit range 1-2: Field Encoding Bit 3: DataSetMessageSequenceNumber enabled = 1 Bit 4: Status enabled Bit 5: ConfigurationVersionMajorVersion enabled = 0 Bit 6: ConfigurationVersionMinorVersion enabled = 0 Bit 7: DataSetFlags2 enabled = 0 |
|
DataSetMessageSequenceNumber |
UInt16 |
Defined by Table 145. |
|
StatusCode |
UInt16 |
Defined by Table 145. |
Table A.6 defines the values for the configuration parameters representing this layout.
Table A.6 – Values for configuration parameters
|
Parameter |
Value |
|
KeyFrameCount |
1 |
|
UadpDataSetMessageContentMask |
0x00000024
This value results of the following options: Bit 2: StatusCode enabled = 1 Bit 5: SequenceNumber enabled = 1
|
|
DataSetFieldContentMask |
0x00000020
This value results of the following options: Bit 5: RawData |
|
DataSetOrdering |