Teledyne LeCroy Conquest User Manual - Users Manual - Manual (Page 248)

Appendix A
238
Descriptor (0x21)
{
bLength = AddField(CURPOS,8,"bLength","Numeric expression that is the
total size of the HID descriptor","bLength");
bDescriptorType = AddField(CURPOS, 8,"bDescriptorType", "Constant
name specifying type of HID descriptor",
"bDescriptorType");
bcdHID = AddField(CURPOS, 16,"bcdHID", "Numeric expression
identifying the HID Class Specification release",
"bcdHID");
bCountryCode = AddField(CURPOS, 8,"bCountryCode", "Numeric expression
identifying country code of the localized
hardware","bCountryCode");
bNumDescriptors = AddField(CURPOS, 8,"bNumDescriptors", "Numeric
expression specifying the number of class
descriptors (always at least one i.e. Report
descriptor.)","bNumDescriptors");
Repeat Count = ValueOf(bNumDescriptors)
{
bDescriptorType = AddField(CURPOS, 8,"bDescriptorType",
"Constant name specifying type of HID descriptor",
"bDescriptorType");
wDescriptorLength = AddField(CURPOS, 16,"wDescriptorLength",
"Numeric expression that is the total size of the
Report descriptor", "wDescriptorLength");
}
If(Not EOD) Then
{
Unexpected = AddField(CURPOS, LengthOf(INPUTDATA)-
CURPOS,"Unexpected", "Unexpected", "Unexpected");
}
}
Descriptor (0x23)
{
bNumber = AddField(CURPOS, 8, "bNumber","Numeric expression
specifying the number of Physical Descriptor sets. Do not
include Physical Descriptor 0 itself in this
number","bNumber");
bLength = AddField(CURPOS, 16, "bLength","Numeric expression
identifying the length of each Physical
descriptor","bLength");
bPhysicalInfo = AddField(CURPOS,8 ,"bPhysicalInfo","bPhysicalInfo",
"bPhysicalInfo");
SubFieldOf(bPhysicalInfo)
{
Preference = AddField(0, 5, "Preference","The Preference field
indicates whether the descriptor set contains preferred or
alternative designator information. A vendor defines the
Preference value of 0 for the most preferred or most typical set
of physical information. Higher Preference values indicate less
preferred descriptor sets", "Preference");
Bias = AddField(5, 3, "Bias","The Bias field indicates which
hand the descriptor set is characterizing. This may not
apply to some devices", "Bias");
}
Repeat Count = ValueOf(bNumber)
{