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120 lines
3.9 KiB
120 lines
3.9 KiB
/**********
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Copyright 1990 Regents of the University of California. All rights reserved.
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Author: 1988 Thomas L. Quarles
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Modified: Paolo Nenzi 2000
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Remarks: This code is based on a version written by Serban Popescu which
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accepted an optional parameter ac. I have adapted his code
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to conform to INP standard. (PN)
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**********/
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#include "ngspice.h"
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#include <stdio.h>
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#include "ifsim.h"
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#include "inpdefs.h"
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#include "inpmacs.h"
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#include "fteext.h"
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#include "inp.h"
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void INP2R(void *ckt, INPtables * tab, card * current)
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{
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/* parse a resistor card */
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/* Rname <node> <node> [<val>][<mname>][w=<val>][l=<val>][ac=<val>] */
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int mytype; /* the type we determine resistors are */
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int type = 0; /* the type the model says it is */
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char *line; /* the part of the current line left to parse */
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char *saveline; /* ... just in case we need to go back... */
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char *name; /* the resistor's name */
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char *model; /* the name of the resistor's model */
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char *nname1; /* the first node's name */
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char *nname2; /* the second node's name */
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void *node1; /* the first node's node pointer */
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void *node2; /* the second node's node pointer */
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double val; /* temp to held resistance */
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int error; /* error code temporary */
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int error1; /* secondary error code temporary */
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INPmodel *thismodel; /* pointer to model structure describing our model */
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void *mdfast = NULL; /* pointer to the actual model */
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void *fast; /* pointer to the actual instance */
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IFvalue ptemp; /* a value structure to package resistance into */
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int waslead; /* flag to indicate that funny unlabeled number was found */
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double leadval; /* actual value of unlabeled number */
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IFuid uid; /* uid for default model */
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mytype = INPtypelook("Resistor");
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if (mytype < 0) {
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LITERR("Device type Resistor not supported by this binary\n");
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return;
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}
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line = current->line;
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INPgetTok(&line, &name, 1);
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INPinsert(&name, tab);
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INPgetNetTok(&line, &nname1, 1);
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INPtermInsert(ckt, &nname1, tab, &node1);
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INPgetNetTok(&line, &nname2, 1);
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INPtermInsert(ckt, &nname2, tab, &node2);
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val = INPevaluate(&line, &error1, 1);
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/* either not a number -> model, or
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* follows a number, so must be a model name
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* -> MUST be a model name (or null)
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*/
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saveline = line; /* save then old pointer */
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INPgetTok(&line, &model, 1);
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if (*model) {
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/* token isn't null */
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if (INPlookMod(model)) {
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/* If this is a valid model connect it */
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INPinsert(&model, tab);
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thismodel = (INPmodel *) NULL;
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current->error = INPgetMod(ckt, model, &thismodel, tab);
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if (thismodel != NULL) {
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if (mytype != thismodel->INPmodType) {
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LITERR("incorrect model type");
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return;
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}
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mdfast = thismodel->INPmodfast;
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type = thismodel->INPmodType;
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}
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} else {
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tfree(model);
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/* It is not a model */
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line = saveline; /* go back */
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type = mytype;
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if (!tab->defRmod) { /* create default R model */
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IFnewUid(ckt, &uid, (IFuid) NULL, "R", UID_MODEL,
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(void **) NULL);
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IFC(newModel, (ckt, type, &(tab->defRmod), uid));
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}
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mdfast = tab->defRmod;
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}
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IFC(newInstance, (ckt, mdfast, &fast, name));
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} else {
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tfree(model);
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/* The token is null and a default model will be created */
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type = mytype;
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if (!tab->defRmod) {
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/* create default R model */
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IFnewUid(ckt, &uid, (IFuid) NULL, "R", UID_MODEL,
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(void **) NULL);
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IFC(newModel, (ckt, type, &(tab->defRmod), uid));
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}
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IFC(newInstance, (ckt, tab->defRmod, &fast, name));
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}
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if (error1 == 0) { /* got a resistance above */
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ptemp.rValue = val;
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GCA(INPpName, ("resistance", &ptemp, ckt, type, fast))
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}
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IFC(bindNode, (ckt, fast, 1, node1));
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IFC(bindNode, (ckt, fast, 2, node2));
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PARSECALL((&line, ckt, type, fast, &leadval, &waslead, tab));
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if (waslead) {
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ptemp.rValue = leadval;
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GCA(INPpName, ("resistance", &ptemp, ckt, type, fast));
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}
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return;
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}
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