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GENLIB_PLACE_CON_REF

NAME

GENLIB_PLACE_CON_REF - put a connector on top of a reference belonging an instance in the current figure

SYNOPSYS

 #include <genlib.h>
 void GENLIB_PLACE_CON_REF(insname, refname, conname, layer, width, face)
 char  *insname, *refname, *conname;
 char layer, face;
 long width;
 

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PARAMETERS

insname

Name of the instance in the which the reference is to be searched for

refname

Name of the reference to be used for the connector placement

conname

Name of the connector to be placed

layer

Physical layer of the connector

width

Width of the connector

face

Face of the figure on which the connector is to be placed

DESCRIPTION

PLACE_CON_REF places a connector called conname ragarding the position of the reference, refname, in the instance called insname. The connector coordinates are computed from the reference coordinates and the face given as argument.
Two behaviours are expected, regarding the reference coordinates:

the reference is on the given face of the abutment box

a connector called conname is added on top of the reference, with the given layer and width.

the reference is anywhere else

a connector called conname is added on the given face, face, of the abutment box, at the y coordinates of the reference if the face is EAST or WEST, or x one if the face is NORTH or SOUTH. Then a segment is drawn between the reference and the connector. All drawn objects are given layer and width as caracteristics.
The face argument is meant in the placed instance, and can take any of the following values:

NORTH

for a connector placed on the top of the cell.

SOUTH

for a connector placed on the bottom of the cell.

EAST

for a connector placed on the right side of the cell.

WEST

for a connector placed on the left side of the cell.

ERRORS

"GENLIB_PLACE_CON_REF impossible : missing GENLIB_DEF_PHFIG"

No figure has been yet specified by a call to DEF_PHFIG. So it isn't possible to place a reference inside it. you must call DEF_PHFIG before any other layout action.

"GENLIB_PLACE_CON_REF impossible : missing GENLIB_DEF_PHFIG"

No figure has been yet specified by a call to DEF_PHFIG. So it isn't possible to place a reference inside it. you must call DEF_PHFIG before any other layout action.

"GENLIB_PLACE_CON_REF impossible : no abutment box"

The current figure does not have an abutment box. Use DEF_AB(3) before this function.

"illegal GENLIB_PLACE_CON_REF : orientation is XX"

The face parameter does not have a legal value, but XX.

"illegal getphins : instance called insname does not exist"

No instance called insname exists in the current figure

"illegal getphref : references called refname does not exist"

No reference called refname exists in the model of the instance insname.

EXAMPLE

 #include <genlib.h>
 main()
 {
         /* Create a figure to work on  */
         GENLIB_DEF_PHFIG("cell");
         GENLIB_PLACE("gaci0_b", "r1", NOSYM, 23L, 54L);
         /* Put a reference */
         GENLIB_PLACE_CON_REF("r1", "a_0", ALU2, 2, NORTH);
         /* Save that on disk */
         GENLIB_SAVE_PHFIG();
 }
 

SEE ALSO

genlib(1), GENLIB_DEF_PHFIG(3), GENLIB_SAVE_PHFIG(3), GENLIB_PHREF(3), GENLIB_PHCON(3), GENLIB_COPY_UP_REF(3), GENLIB_COPY_UP_ALL_REF(3), GENLIB_PLACE_CON_REF(3), GENLIB_PLACE_SEG_REF(3), GENLIB_PLACE_CON_REF(3).

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