DAP Technology 1394, Руководство по эксплуатации

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Scriptor
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field.
To create a packet that is larger than the size that is automatically determined by the packet layout,
enable the "Fixed size" checkbox set the size to an arbitrary value.
While filling in the property editor, the script on the left side is updated and child nodes are generated. In
de example below, the offset field has been given a value in the property editor and the script carries this
out by calling two API functions.
The getPacketDataFields macro is much the same as the setPacketDataFields macro. This macro is used
to extract individual field values from a packet and set them to variables which have already been
declared. The only difference in the way the macro is used is that the property editor now contains a "get"
column instead of a "set" column and the "Param Value" should be provided a variable name to which the
field value should be set.
11.2.4.7.3 setPacketHeaderFields and getPacketHeaderFields
These macros are used to set and get individual header fields of a packet. The macros are invoked by
entering "setPacketHeaderFields" or "getPacketHeaderFields" in the script. The property editor for this
type of macro can be seen on the right side of the picture below.
The property editor again contains a line editor to provide a packet ID. In addition a combo box is
provided to select the type of packet to set the header fields for and a table containing the available
header fields for this type of packet to set or get the values of. Just like setting packet data, click on the