Data Sheet

TeledyneLeCroyCorporation EditingaGenerationFile
536 USBProtocolSuiteUserManual
Note:Thedevicepacketsareremovedfromtheexportedgeneratortext.Thisisessentialincreatinga
generatortextfilethatcanbeusedtohandshakewithyourdevice.
6. YoucanopttoregeneratetheframenumbersandremovetheNAKedtransactions.
Oncethegeneratortextfileisexported,youmayneedtoeditthefileandadjustidle
timetoproperlyanticipatetheresponsesfromyourdevice.Sincethereislimited
memoryforgeneratingtraffic,theexportfunctionwilllooktoseeifspaceis
"wasted"onEmptyFrames.TheseareUSBFrameswhichcontainnohostordevice
traffic.Ifthesourcefilehadlocationswherelotsofemptyframesoccurred,the
softwarewillinformyousotheycanbereducedbyeditingthe.utgoutputfileonce
exportiscomplete.Youwouldsearchforempty_frames = nnnandlookforany
locationwherewherennnis102orgreater.Inmostcases,thisvaluecanbereduced
toaverysmallvalue.Seethedocumentationfortheempty_frameskeylaterinthis
chapter.SeeTable11.3 onpage 560.
11.7 Editing a Generation File
A.utgfileisatextfilethatcanbeeditedwithanytexteditorsuchasNotepad.Abetter
editingoption,however,isScriptEditoroftheapplication.ScriptEditorprovidesthe
usualeditingfunctionssuchasselect,cut,copy,andpastebutalsoaddstool‐tips,colored
keywords,drop‐downparametervalues,andexpandable/collapsiblepacketdatafields.
TolaunchtheScriptEditor,clicktheScriptEditor buttononthetoolbarorright‐click
thetracewindowandchooseEditasText.
TheScriptEditorwindowopensinthelowerportionofthetracewindow(Figure 11.12
onpage 537).