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Ocean scripting

saorishabh

Hi,

I have a script which generates netlist with values in suffix format (1m, 1u, 1n etc.). I want it to generate in engineering format (1e-3, 1e-6, 1e-9 etc.). 

Script is below : 

envSetVal("asimenv.startup" "projectDir" 'string "<Directory Path>")
simulator( 'spectre )
setup( ?numberNotation 'engineering)
design( "<Design Name>" "<Cell Name>" "schematic" "r")
desVar( "wireopt" 3 )
envOption(
'setTopLevelAsSubckt t
)
saveOption( ?outputParamInfo nil )
saveOption( ?elementInfo nil )
saveOption( ?modelParamInfo nil )
createNetlist( ?recreateAll t)
exit

Thanks

  • The ?numberNotation argument for setup() doesn't affect netlisting. Instead you need to use:

    envSetVal("spectre.envOpts" "setEngNotation" 'boolean t)

    (you will need the ?recreateAll t argument to createNetlist to force a full re-netlist, but you already have that). Note that you can't use envOption() to set this flag; it has to be done via envSetVal instead (for some reason).

    I did just notice that iPar() expressions may not cause values within the expression to change to engineering notation, but I don't see this as a very widely used option (since Spectre can handle the netlist anyway, there's little reason to use this normally). Maybe it's good enough for what you need though.

    Regards,

    Andrew.

  • in reply to Andrew Beckett

    Thanks Andrew. I was able to generate in required notations.

    Regards

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