Data Sheet

TeledyneLeCroyCorporation FormatofTrafficGenerationFiles
550 USBProtocolSuiteUserManual
TABLE 11.3: Support Keys for Defining Fields within a packet.
Key Code Format Description
FileControlKeys
file_type UPAS
CHIEF
Thismustbeincludedatthebeginningofthe
filetodeterminethespeedofpacketstobe
generated.
Valuemustbefile_type=UPAStoallowforHigh
speedtraffic,IntelliFrameoperation,
expected_pidanddevice_pidkeysupport.
FullandLowspeedtraffic,andBitstream
operationaresupportedonallfile_type=
values.
Ifthisstatementdoesnotappearinthefile,the
defaultisfile_type=CHIEF,allowingbackward
compatibilitywitholderUSBChief™.usbfiles.
file_version integer Thismustbeincludedafterthefile_type=key
todeterminetheversionofthisfile.Valueis
currently3.
Usage:file_version=3
file_mode HOST
DEVICE
Setsgenerationmodetohostordevice.
Forgenerationtowork,thismustmatchthe
selectionfoundintheRecordingOptions>Misc
dialog.
file_speed HIGH
HI
FULL
LOW
Thismustbeincludedafterthefile_version=
keytodeterminethespeedofpacketstobe
generated.
ValuesareHIGH,HI,FULL,orLOW.
Example:file_speed=FULL.
Onlyonefile_speed=isallowedper.utgfile,
butlowspeedtrafficonafullspeedbuscanbe
createdbyaddingthespeed=LOWkeytoalow
speedpacketinafiledefinedas
file_speed=FULL.Noothermixingofspeedsis
allowed.
HIisthesameasHIGHandwasaddedto
conformtotheUSBterms.
loop_count
wrap_count
0through
16382
or"infinite"
Thesetwotermsareinterchangeable.
HostEmulationOnly.
Thiskeydefinestheloopcountforeach
memorysegment.
Examples:loop_count=INFINITEor
wrap_count=9