ngspice/src/spicelib/devices/vsrc/vsrcpar.c

/**********
Copyright 1990 Regents of the University of California.  All rights reserved.
Author: 1985 Thomas L. Quarles
Modified: 2000 AlansFixes
**********/
/*
 */

#include "ngspice.h"
#include "vsrcdefs.h"
#include "ifsim.h"
#include "sperror.h"
#include "suffix.h"


/* ARGSUSED */
int
VSRCparam(int param, IFvalue *value, GENinstance *inst, IFvalue *select)
{
    int i;
    VSRCinstance *here = (VSRCinstance *)inst;
    switch(param) {
        case VSRC_DC:
            here->VSRCdcValue = value->rValue;
            here->VSRCdcGiven = TRUE;
            break;
        case VSRC_AC_MAG:
            here->VSRCacMag = value->rValue;
            here->VSRCacMGiven = TRUE;
            here->VSRCacGiven = TRUE;
            break;
        case VSRC_AC_PHASE:
            here->VSRCacPhase = value->rValue;
            here->VSRCacPGiven = TRUE;
            here->VSRCacGiven = TRUE;
            break;
        case VSRC_AC:
            switch(value->v.numValue) {
                case 2:
                    here->VSRCacPhase = *(value->v.vec.rVec+1);
                    here->VSRCacPGiven = TRUE;
                case 1:
                    here->VSRCacMag = *(value->v.vec.rVec);
                    here->VSRCacMGiven = TRUE;
                case 0:
                    here->VSRCacGiven = TRUE;
                    break;
                default:
                    return(E_BADPARM);
            }
            break;
        case VSRC_PULSE:
            here->VSRCfunctionType = PULSE;
            here->VSRCfuncTGiven = TRUE;
            here->VSRCcoeffs = value->v.vec.rVec;
            here->VSRCfunctionOrder = value->v.numValue;
            here->VSRCcoeffsGiven = TRUE;
            break;
        case VSRC_SINE:
            here->VSRCfunctionType = SINE;
            here->VSRCfuncTGiven = TRUE;
            here->VSRCcoeffs = value->v.vec.rVec;
            here->VSRCfunctionOrder = value->v.numValue;
            here->VSRCcoeffsGiven = TRUE;
            break;
        case VSRC_EXP:
            here->VSRCfunctionType = EXP;
            here->VSRCfuncTGiven = TRUE;
            here->VSRCcoeffs = value->v.vec.rVec;
            here->VSRCfunctionOrder = value->v.numValue;
            here->VSRCcoeffsGiven = TRUE;
            break;
        case VSRC_PWL:
            here->VSRCfunctionType = PWL;
            here->VSRCfuncTGiven = TRUE;
            here->VSRCcoeffs = value->v.vec.rVec;
            here->VSRCfunctionOrder = value->v.numValue;
            here->VSRCcoeffsGiven = TRUE;
            
            for(i=0;i<(here->VSRCfunctionOrder/2)-1;i++) {
                  if(*(here->VSRCcoeffs+2*(i+1))<=*(here->VSRCcoeffs+2*i)) {
                     fprintf(stderr, "Warning : voltage source %s",
                                                               here->VSRCname);
                     fprintf(stderr, " has non-increasing PWL time points.\n");
                  }
            }
            
            break;
        case VSRC_R:
            here->VSRCr = value->rValue;
            here->VSRCrGiven = TRUE;
	    
	    for ( i = 0; i < here->VSRCfunctionOrder; i += 2 ) {
	      here->VSRCrBreakpt = i;
              if ( here->VSRCr == *(here->VSRCcoeffs+i) ) break;
	    }

	    if ( here->VSRCr != *(here->VSRCcoeffs+here->VSRCrBreakpt) ) {
	      fprintf(stderr, "ERROR: repeat value %g for pwl voltage source does not match breakpoint!\n", here->VSRCr );
	      return ( E_PARMVAL );
	    }

            break;
        case VSRC_SFFM:
            here->VSRCfunctionType = SFFM;
            here->VSRCfuncTGiven = TRUE;
            here->VSRCcoeffs = value->v.vec.rVec;
            here->VSRCfunctionOrder = value->v.numValue;
            here->VSRCcoeffsGiven = TRUE;
            break;
	case VSRC_AM:
	    if(value->v.numValue <2) return(E_BADPARM);
            here->VSRCfunctionType = AM;
            here->VSRCfuncTGiven = TRUE;
            here->VSRCcoeffs = value->v.vec.rVec;
            here->VSRCfunctionOrder = value->v.numValue;
            here->VSRCcoeffsGiven = TRUE;	
	    break;    
	case VSRC_D_F1:
	    here->VSRCdF1given = TRUE;
	    here->VSRCdGiven = TRUE;
	    switch(value->v.numValue) {
		case 2:
		    here->VSRCdF1phase = *(value->v.vec.rVec+1);
		    here->VSRCdF1mag = *(value->v.vec.rVec);
		    break;
		case 1:
		    here->VSRCdF1mag = *(value->v.vec.rVec);
		    here->VSRCdF1phase = 0.0;
		    break;
		case 0:
		    here->VSRCdF1mag = 1.0;
		    here->VSRCdF1phase = 0.0;
		    break;
		default:
		    return(E_BADPARM);
		    break;
	    }
	case VSRC_D_F2:
	    here->VSRCdF2given = TRUE;
	    here->VSRCdGiven = TRUE;
	    switch(value->v.numValue) {
		case 2:
		    here->VSRCdF2phase = *(value->v.vec.rVec+1);
		    here->VSRCdF2mag = *(value->v.vec.rVec);
		    break;
		case 1:
		    here->VSRCdF2mag = *(value->v.vec.rVec);
		    here->VSRCdF2phase = 0.0;
		    break;
		case 0:
		    here->VSRCdF2mag = 1.0;
		    here->VSRCdF2phase = 0.0;
		    break;
		default:
		    return(E_BADPARM);
	    }
	    break;
        default:
            return(E_BADPARM);
    }
    return(OK);
}