2 another example, Another example – Teledyne LeCroy Voyager Exerciser Generation Script Language Manual User Manual
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Teledyne LeCroy
Voyager USB 3.0 Exerciser Generation Script Language Reference Manual
50
8.5.2 Another Example
Example
struct
UsbReq {LSB}
# Using LSB attribute for integer field assignments
# instructs that all short fields have
# LSB to MSB byte order when assigned values.
{
bmType :
8
bReq :
8
wValue :
16
wIndex :
16
wLen :
16
Data :
*
# variable length field
}
Note: The Byte Order attribute applies only for fields defined inside a template and does not
affect fields specified in inherited or inserted templates.
Examples
Packet
Base_0 (MSB)
{
F1 :
16
}
Packet
Base_1
# LSB to MSB byte order by default
{
F2 :
32
}
Packet
Combined : Base0, Base_1 (MSB)
# The attribute goes after the template ancestor list.
{
Cmb_Fld :
32
}
# Combined template has the fields:
# F1 : 16 (MSB)
# F2 : 32 (LSB)
# Cmb_Fld : 32 (MSB)