Hilite all schematic nets that do NOT have a user added property...

Hi,

You can try the following snippet, it just add a get_hier_nets function to simplify the use of schTraceNet
(at the expense of performances, but this should be insignificant):

(inScheme
  (defun get_hier_nets (cv net)
    "Return all nets connected to NET in CV hierarchy"
    (let (hier_nets)
      (schTraceNet ?topCellView cv ?net net ?traceCB (lambda (hier_net) (push hier_net hier_nets)))
      hier_nets~>net))
  )

let( ( win cv )
  win = getCurrentWindow()
  cv  = geGetEditCellView(win)
  foreach( net cv->signals
    unless(
      exists( net get_hier_nets(cv net) dbFindProp(net "netInfo"))
      geAddNetProbe( '("y0" "drawing") net->name)
      )))

The inScheme call is important otherwise the function get_hier_nets will not work

It might not work if the property is not set at net level but on pins

Cheers,
Aurélien

Thanks for this. I have got it to run, but the hilited nets are not quite correct. It is hiliting nets that do the "netInfo" tag at some place in the hiearchy. I'm still investigating, but it seems that the code is only looking at the bottom most schematic for the "netInfo" tag, if the net is tagged at the top level or somewhere in the middle of the hierarchy it's not recognized.

Thanks for this. I have got it to run, but the hilited nets are not quite correct. It is hiliting nets that do the "netInfo" tag at some place in the hiearchy. I'm still investigating, but it seems that the code is only looking at the bottom most schematic for the "netInfo" tag, if the net is tagged at the top level or somewhere in the middle of the hierarchy it's not recognized.

After some more work I have a piece of code that is almost complete for my original question, but the results have triggered a new question regarding the schTraceNet function. Below is the code I have working, but my confusion presents when a net is connected to an iterated instance at a lower level (i.e nand<0:3>).

Below are some screenshots showing the results when run with both an iterated instance and one with only a single instance. The drawn red arrow is showing where I would expect a line to exist showing the level of hierarchy which contains the iterated instance. The screenshot further below was run after I modified the schematic to only use a single instance, and then you'll see the "missing" line is reported correctly.

Question is, is this expected behavior? Any feedback would be appreciated.

 defun( findNetInfoCB (netStruct)
   let((inst (inst makeTable("visited" nil)))
  foreach(instTerm netStruct->net~>allInstTerms
   if(car(instTerm~>net~>prop~>name) == "netInfo" then
    printf("A User prop %L found on net %L in hier path %L \n" car(instTerm~>net~>prop~>name) instTerm~>net~>name netStruct->pathToNet)
    userFlag=nil
    printf("Setting user flag to nil for net %L\n" instTerm~>net~>name)
     else
      printf("NO User prop found on net %L in hier path %L \n" instTerm~>net~>name netStruct->pathToNet)
    );if
   );foreach
  );let
);defun

foreach(net cv~>signals
  printf("\n---------------Net name is %L -----------\n" net~>name)
  userFlag=t
  schTraceNet(?topCellView cv ?net net~>name ?traceCB 'findNetInfoCB)
   if(userFlag then
    geAddNetProbe(getCurrentWindow() list("y0" "drawing") net~>name)
    printf("\n\nAdding hilite on net %s \n\n" net~>name)
     else
      printf("\n\nNOT hiliting net %s because it already has a user property\n\n" net~>name)
    );if
  );end foreach

;;results with iterated instance

;;results with NO iterated instance

I did some quick tests and it worked for me - I can imagine it might be something to do with the property being on a bussed net rather than the scalar net, but I'm not sure without an example replicating your setup. Can you contact customer support so that you can work with an application to show your example data? Otherwise I'm having to guess what you've got in your design and where the properties are.

Regards,

Andrew