//NDELAY_f Scicos vector shift register //Classical interface function ver1.0 - scilab-2.7 //18 novembre 2003 - IRCOM GROUP - Author : A.Layec function [x,y,typ]=NDELAY_f(job,arg1,arg2) x=[];y=[];typ=[] select job case 'plot' then standard_draw(arg1) case 'getinputs' then [x,y,typ]=standard_inputs(arg1) case 'getoutputs' then [x,y,typ]=standard_outputs(arg1) case 'getorigin' then [x,y]=standard_origin(arg1) case 'set' then x=arg1; graphics=arg1.graphics;model=arg1.model; exprs=graphics.exprs; while %t do [ok,ndelay,exprs]=getvalue(['Vector Shift Register';... 'Set number of delay'],... ['Size of Delay'],... list('vec',-1),exprs); if ~ok then break,end; Nu = prod(size(ndelay)); [model,graphics,ok]=check_io(model,graphics,Nu,Nu,1,[]) ndelay=ndelay(:) sizez=0 for i=1:Nu sizez=sizez+ndelay(i); end init=zeros(sizez,1) if ok then graphics.exprs=exprs model.dstate=init(:) model.ipar=ndelay(:) x.graphics=graphics; x.model=model; break; end end case 'define' then Nu=1 ndelay=4 init=zeros(ndelay,1) model=scicos_model() model.sim=list('ndelay',2) model.in=Nu model.out=Nu model.evtin=1 model.evtout=[] model.dstate=init model.rpar=[] model.ipar=ndelay model.blocktype='d' model.firing=[] model.dep_ut=[%f %f] gr_i=['txt=[''Delay''];'; 'xstringb(orig(1),orig(2),txt,sz(1),sz(2),''fill'');'] exprs=[sci2exp(ndelay)]; x=standard_define([2 2],model,exprs,gr_i) end endfunction