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Man Pages


Manual Reference Pages  -  GENLIB_WIRE3 (3)

[Include document man1/alc_contents.mac]

   GENLIB_WIRE3

NAME

GENLIB_WIRE3 - place three physical segments in the current figure

CONTENTS

Synopsys
Parameters
Description
Errors
Example
See Also

SYNOPSYS






#include <genlib.h>
void GENLIB_WIRE3(layer, width, ins1, con1, index1, ins2, con2, index2, x1, y1, x2, y2)
char layer;
long width;
char *ins1, *con1, *ins2, *con2;
long x1, y1, x2, y2;


[Include document man1/alc_origin.1]

PARAMETERS

layer Layout layer of the segment
width Width of the segment
ins1 Name of the instance in which the connector con1 is to be looked for
con1 Name of a connector, or reference, used as first endpoint of the wire
ins2 Name of the instance in which the connector con2 is to be looked for
con2 Name of a connector, or reference, used as last endpoint of the wire
x1, y1 Coordinates of the segment’s first elbow endpoint in the current figure
x2, y2 Coordinates of the segment’s second elbow endpoint in the current figure

DESCRIPTION

WIRE3 adds three segments made of the layer level in the current layout cell, the starting point beeing the connector, or reference, con1 of the instance ins1, and the ending point beeing the connector, or reference, con2 of the instance ins1. The first segment is drawn between the coordinates of con1 in the current figure and x1, y1. The second one between x1, y1 and x2, y2, and the last, but not the least, between x2, y2 and the coordinates of con2 in the current figure.

If the endpoints are connectors, the indexes index1 and index2 must respectivly refer to con1 and con2. If they are references, then they are not taked care of. One shall notice that connectors and references of a given model should not share names if WIRE3 is to be used.

The layer argument can take the following legal values :

NWELL
PWELL
NTIE
PTIE
NDIF
PDIF
NTRANS
PTRANS
POLY
ALU1
ALU2
ALU3
TPOLY
TALU1
TALU2
TALU3

ERRORS

"GENLIB_WIRE3 impossible : missing GENLIB_DEF_PHFIG"
No figure has been yet specified by a call to DEF_PHFIG. So it isn’t possible to place an instance inside it. you must call DEF_PHFIG before any other layout action.
"illegal addphseg : x1, y1, x2, y2"
A symbolic segment must be either vertical or horizontal, so either x1 = x2, or y1 = y2. Since WIRE3 creates segments from relative coordinates, care must be taken to follow the previous rule.
"GENLIB_WIRE3 impossible : same name conX, for connector and reference in insX"
The model of the instance insX has both a connector and a reference that matches the conX name. This is not legal since genlib doesn’t know which one to choose as point.
"illegal getphins : instance insX does not exist"
The instance called insX does not currently belong to the figure.

EXAMPLE






#include <genlib.h>
draw_wire(cellHeight)
long cellHeight;
{
        /* draw a wire made of 1, 2, or 3 segments, given from and to connectors
           or reference, and the x and y coordinates of each elbow points */
        GENLIB_WIRE1(ALU1,1,"lastpg2","g2",1,"cabl31","sg",2);
        GENLIB_WIRE3(ALU1,1,"cabl31","sp",2, "celout2", "cin", 1,
                        GENLIB_GET_CON_X("cabl31","sp",2),
                        GENLIB_GET_CON_Y("cabl31","sp",2) + cellHeight / 2,
                        GENLIB_GET_CON_X("celout2", "cin", 1),
                        GENLIB_GET_CON_Y("cabl31","sp",2) + cellHeight / 2);
        GENLIB_WIRE1(POLY,1,"celout3","g",1,"celout2","co",0);
}


SEE ALSO

genlib(1), GENLIB_DEF_PHFIG(3), GENLIB_SAVE_PHFIG(3), GENLIB_COPY_UP_SEG(3), GENLIB_PHSEG(3), GENLIB_THRU_H(3), GENLIB_THRU_CON_H(3), GENLIB_THRU_V(3), GENLIB_THRU_CON_V(3), GENLIB_WIRE1(3), GENLIB_WIRE2(3).

[Include document man1/alc_bug_report.1]

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PROCEDURAL GENERATION LANGUAGE GENLIB_WIRE3.3 (October 1, 1997) ASIM/LIP6

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