Size, Units, Size units – Teledyne LeCroy USB Chief - File Based Decode Manual User Manual
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C
OMPUTER
A
CCESS
T
ECHNOLOGY
C
ORPORATION
USB D
ESCRIPTOR
D
EFINITION
(.
DSC
) F
ILES
Reference Manual
FormatValue=Device compliant to the USB specification
version %X.%02X
The output is displayed in the Description column of the descriptor information
box:
Size
Use
Size
to indicate the number of bytes in the field. Example:
Size=2
Units
Use
Units
to take the Offset value and multiply it by the units value; the resulting
value can then be pulled into a
FormatValue
entry. The following example is
taken from the
MaxPower
description from the
CONFIGURATION
Descriptor
group in standard.dsc:
; MaxPower description
Offset(8)={
Units=2
FormatValue=Maximum power consumption of the device
in this configuration is %i mA
}
Figure 18: Possible output for
BCD=TRUE
and conversion specification
%X.%02X