SYNOPSYS
#include <genlib.h> void GENLIB_WIRE2(layer, width, ins1, con1, index1, ins2, con2, index2, x, y) char layer; long width; char *ins1, *con1, *ins2, *con2; long x, y;
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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
- x, y
- Coordinates of the segment's elbow in the current figure
DESCRIPTION
WIRE2 adds two 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 x, y, and the second one between x, y 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 WIRE2 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_WIRE2 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.
- A symbolic segment must be either vertical or horizontal, so either x1 = x2, or y1 = y2. Since WIRE2 creates segments from relative coordinates, care must be taken to follow the previous rule.
- 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.
- The instance called insX does not currently belong to the figure.
EXAMPLE
#include <genlib.h> main() { /* Create a figure to work on */ GENLIB_DEF_PHFIG("cell"); GENLIB_PLACE("gaci0_b", "r_addin_1", NOSYM, 0, 0); GENLIB_PLACE_TOP("gacin_b", "r_addin_2", NOSYM); GENLIB_PLACE_RIGHT("gapgn_b", "pg", NOSYM); /* Draw a segment */ GENLIB_WIRE2(ALU1, 1, "r_addin_1", "out", 0L, "pg", "g", 1L, GENLIB_GET_CON_X("pg", "g", 1L), GENLIB_GET_CON_Y("r_addin_1", "out", 0L)); /* Save that on disk */ GENLIB_SAVE_PHFIG(); }