pCell cyclic parameter CDF

Hi Rick,

For a cyclic parameter you need to define choices in terms of the ?choices keyword parameter to cdfCreateParam(..).

Max

added the choices now I get

cdfCreateParam( cdfId
?name                   "entryMode"
?prompt                 "Entry Mode"
?defValue               "r & w"
?type                   "cyclic"
?choices                '("r & w" "l & W")
?storeDefault           "yes"
?display                "t"
?parseAsNumber          "no"
?parseAsCEL             "no"

?callback "tsmc11pas_resCB()"
)

function showResParms redefined
Generating Pcell for 'rpplus_3T layout'.
*WARNING* Invalid property type - "l & w"
*WARNING* Pcell evaluation failed. No supermaster was created.
t
*WARNING* (DB-270001): Pcell evaluation for pcell_lib/rpplus_3T/layout has the following error(s):
*WARNING* (DB-270002): ("CCSdrawRes3T" 0 t nil ("*Error* CCSdrawRes3T: too few arguments (7 expected, 6 given)" (db:0x1865599a "2u" "10u" 1 700 t)))
*WARNING* (DB-270003): Error kept in "errorDesc" property of the label "pcellEvalFailed" on layer/purpose "marker/error" in the submaster.

Hi Rick,

Those errors aren't coming from the CDF creation code. They're in your PCell code. The PCell knows nothing about cyclic parameters - it would just see these as string parameters.

So It's unclear what where this "Invalid property type" is coming from - probably need to see what you've done at the top of the pcDefinePCell code. The second error causing the PCell evaluation failure is because you have a function with 7 arguments that you're calling with 6 - again, nothing to do with this issue.

Kind Regards,

Andrew.

Hi Andrew - do cyclic parameters need any special handling?    The argument mismatch is not obvious what its looking for.  The PDK pCell is encrypted so Im working blind.   Any ideas on what to look for would be appreciated.

Thanks!!!

*WARNING* Invalid property type - "l & w

Hi Rick,

No, there's nothing special needed for cyclic parameters. There's no such thing as a cyclic parameter as far as a pcell is concerned - that's a CDF construct, and the pcell itself knows nothing about the constraint to different choices.

This all seems a bit strange, since a function being referred to here has the "CCS" (Cadence Customer Support) prefix so I wouldn't expect that to be encrypted and protected.

Perhaps it would be best if you can contact customer support, and create a case - and then post the number here - also reference in the case this post that I'm happy to have it assigned to me. Then we can have a webex to look at this together. Bear in mind that I'm in the UK so our time zones may not easily overlap.

Kind Regards,

Andrew.

Hi Andrew -  I have a ticket open and the AE has been very helpful but since its not a tool issue......   

Case# 46349419 RE: rod pcell not passing parameters [ ref:_00Dd0c1Z9._5000V1Ho5sN:ref ]

Heres some background.  The code is based upon a previous ROD-based pCell for a logic library which an CDS-AE helped me build, that's why it still has the CCS prefix.  The PDK is tsmc but I have very limited visibility since everything is encrypted and Im not very experienced with building pCells.   

Working on this together would be amazing!!    Im here early in the morning PDST so hopefully we can find a convenient time for both

THANKS!!!!!!