//ZGEN_c Scicos discrete buffer generator block //Classical interface function ver1.0 - scilab-4.1 //20 mars 2007 - INRIA - Author : A.Layec function [x,y,typ]=ZGEN_c(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,z,ny,ci_cnt,exprs]=getvalue('Scicos discrete generator block',... ['Initial buffer state'; 'Size of outputs'; 'Initial counter value';],... list('vec',-1,'vec',1,'vec',1),exprs); if ~ok then break,end; nz=size(z,'*') if(nz==0) then message("Size of inital buffer state must be positive"); ok=%f elseif(ny>nz) then message("Size of ouput must be less or equal "+... "than the size of the buffer"); ok=%f elseif(ci_cnt>=nz) then message("Initial counter value must be less "+... "than the size of the buffer"); ok=%f end if ok then model.out=ny [model,graphics,ok]=check_io(model,graphics,[],ny,1,[]); model.dstate=[z(:);ci_cnt] model.ipar=nz graphics.exprs=exprs x.graphics=graphics; x.model=model; break end end case 'define' then ny=16 z=zeros(128,1) nz=size(z,'*') ci_cnt=0 model=scicos_model() model.sim=list('z_gen',4) model.in=[] model.out=[ny] model.evtin=[1] model.evtout=[] model.dstate=[z(:);ci_cnt] model.rpar=[] model.ipar=nz model.blocktype='d' model.firing=[] model.dep_ut=[%f %f] gr_i=['txt=[''BUFFER''];'; 'xstringb(orig(1),orig(2),txt,sz(1),sz(2),''fill'');' 'txt=''In'';' 'style=5;' 'rectstr=stringbox(txt,orig(1),orig(2),0,style,1);' 'w=(rectstr(1,3)-rectstr(1,2))*%zoom;' 'h=(rectstr(2,2)-rectstr(2,4))*%zoom;' 'xstringb(orig(1)+sz(1)/2-w/2,orig(2)-h-4,txt,w,h,''fill'');' 'e=gce();' 'e.font_style=style;'] exprs=[string('zeros(128,1)'),string(ny),string(ci_cnt)] x=standard_define([2 2],model,exprs,gr_i) end endfunction