inp2s.c

spice中支持多层次元件模型仿真的可单独运行的插件源码

/**********
Copyright 1990 Regents of the University of California.  All rights reserved.
Author: 1988 Thomas L. Quarles
**********/

#include "spice.h"
#include <stdio.h>
#include "ifsim.h"
#include "inpdefs.h"
#include "inpmacs.h"
#include "fteext.h"
#include "suffix.h"

void
INP2S(ckt,tab,current)
    GENERIC *ckt;
    INPtables *tab;
    card *current;

{

    /* Sname <node> <node> <node> <node> [<modname>] [IC] */
    /*  VOLTAGE CONTROLLED SWITCH */

int mytype; /* the type we determine resistors are */
int type;   /* the type the model says it is */
char *line; /* the part of the current line left to parse */
char *name; /* the resistor's name */
char *model;    /* the name of the resistor's model */
char *nname1;   /* the first node's name */
char *nname2;   /* the second node's name */
char *nname3;   /* the third node's name */
char *nname4;   /* the fourth node's name */
GENERIC *node1; /* the first node's node pointer */
GENERIC *node2; /* the second node's node pointer */
GENERIC *node3; /* the third node's node pointer */
GENERIC *node4; /* the fourth node's node pointer */
int error;      /* error code temporary */
INPmodel *thismodel;    /* pointer to model structure describing our model */
GENERIC *mdfast;    /* pointer to the actual model */
GENERIC *fast;  /* pointer to the actual instance */
int waslead;    /* flag to indicate that funny unlabeled number was found */
double leadval; /* actual value of unlabeled number */
IFuid uid;      /* uid of default model */

    mytype = INPtypelook("Switch");
    if(mytype < 0 ) {
        LITERR("Device type Switch not supported by this binary\n")
        return;
    }
    line = current->line;
    INPgetTok(&line,&name,1);
    INPinsert(&name,tab);
    INPgetTok(&line,&nname1,1);
    INPtermInsert(ckt,&nname1,tab,&node1);
    INPgetTok(&line,&nname2,1);
    INPtermInsert(ckt,&nname2,tab,&node2);
    INPgetTok(&line,&nname3,1);
    INPtermInsert(ckt,&nname3,tab,&node3);
    INPgetTok(&line,&nname4,1);
    INPtermInsert(ckt,&nname4,tab,&node4);
    INPgetTok(&line,&model,1);
    INPinsert(&model,tab);
    current->error = INPgetMod(ckt,model,&thismodel,tab);
    if(thismodel != NULL) {
        if(mytype != thismodel->INPmodType) {
            LITERR("incorrect model type")
            return;
        }
        type = mytype;
        mdfast = (thismodel->INPmodfast);
    } else {
        type = mytype;
        if(!tab->defSmod) {
            /* create deafult S model */
            IFnewUid(ckt,&uid,(IFuid)NULL,"S",UID_MODEL,(GENERIC**)NULL);
            IFC(newModel,(ckt,type,&(tab->defSmod),uid))
        }
        mdfast = tab->defSmod;
    }
    IFC(newInstance,(ckt,mdfast,&fast,name))
    IFC(bindNode,(ckt,fast,1,node1))
    IFC(bindNode,(ckt,fast,2,node2))
    IFC(bindNode,(ckt,fast,3,node3))
    IFC(bindNode,(ckt,fast,4,node4))
    PARSECALL((&line,ckt,type,fast,&leadval,&waslead,tab))
    if(waslead) {
        /* ignore a number */
    }
}