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Change symbol pin array size

psill00

How to change symbol pin terminal array size?

I have tried to find the pin property to change the array size but get errors when i try to change the value.

 I am assuming I have to delete the pin and recreate the pin with the function, schCreateSymbolPin.

 schCreateSymbolPin(
d_cvId  ( cellview ID ) 
d_master ( can I get the master from the old pin? )
t_termName ( new name create )
t_direction ( get from old pin )
l_origin ( get from old pin )
t_orientation ( get from old pin )

If the is another method or function can you point me in the correct direction.

 Do I have to delete or add the new nets/terminals from the symbol view with the new array size?

Thanks

Parents
  • Andrew Beckett

    Normally you could do:

    term=dbFindTermByName(cvId "pinA")
    term~>name="pinB"

    and this works fine. It works OK with vector terminals too, provided that the width remains the same.

    If the size is changing, you can do:

    term=dbFindTermByName(cv "a<7:0>")
    pinFigs=term~>pins~>fig
    dbDeleteObject(term)
    newNet=dbMakeNet(cv "a<15:0>")
    foreach(pinFig pinFigs dbCreatePin(newNet pinFig))

    This will preserve all the existing pin figures and just associate them with the newly named terminals. The nets will all get sorted out when you do an schCheck(cv)

    So you don't really have to recreate the pins. Ah, just realised you were talking about symbols not schematics, but I think the method would be the same for a symbol too. You'd probably have to fix any pin labels because these will be wrong too.

    Regards,

    Andrew.

Reply
  • Andrew Beckett

    Normally you could do:

    term=dbFindTermByName(cvId "pinA")
    term~>name="pinB"

    and this works fine. It works OK with vector terminals too, provided that the width remains the same.

    If the size is changing, you can do:

    term=dbFindTermByName(cv "a<7:0>")
    pinFigs=term~>pins~>fig
    dbDeleteObject(term)
    newNet=dbMakeNet(cv "a<15:0>")
    foreach(pinFig pinFigs dbCreatePin(newNet pinFig))

    This will preserve all the existing pin figures and just associate them with the newly named terminals. The nets will all get sorted out when you do an schCheck(cv)

    So you don't really have to recreate the pins. Ah, just realised you were talking about symbols not schematics, but I think the method would be the same for a symbol too. You'd probably have to fix any pin labels because these will be wrong too.

    Regards,

    Andrew.

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