Interfacing function
eng

##
EDGE_TRIGGER

### File content

    function [x,y,typ]=EDGE_TRIGGER(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
      // paths to updatable parameters or states
      ppath = list(1)
      newpar=list();
      y=0;
      for path=ppath do
        np=size(path,'*')
        spath=list()
        for k=1:np
          spath($+1)='model'
          spath($+1)='rpar'
          spath($+1)='objs'
          spath($+1)=path(k)
        end
        xx=arg1(spath)// get the block
        execstr('xxn='+xx.gui+'(''set'',xx)')
        if diffobjs(xxn,xx) then
    	model=xx.model
    	 model_n=xxn.model
    	 if ~is_modelica_block(xx) then
                 modified=or(model.sim<>model_n.sim)|..
    	     ~isequal(model.state,model_n.state)|..
    	     ~isequal(model.dstate,model_n.dstate)|..
    	     ~isequal(model.rpar,model_n.rpar)|..
    	     ~isequal(model.ipar,model_n.ipar)|..
    	     ~isequal(model.label,model_n.label)
          if or(model.in<>model_n.in)|or(model.out<>model_n.out) then
    	  needcompile=1
    	end
    	if or(model.firing<>model_n.firing)  then
    	  needcompile=2
    	end
    	if (size(model.in,'*')<>size(model_n.in,'*'))|..
            (size(model.out,'*')<>size(model_n.out,'*')) then
             needcompile=4
           end
    	if model.sim=='input'|model.sim=='output' then
    	  if model.ipar<>model_n.ipar then
    	    needcompile=4
    	  end
    	end
    	if or(model.blocktype<>model_n.blocktype)|..
    	      or(model.dep_ut<>model_n.dep_ut)  then
    	  needcompile=4
    	end
    	if (model.nzcross<>model_n.nzcross)|(model.nmode<>model_n.nmode) then
    	  needcompile=4
    	end
    	if prod(size(model_n.sim))>1 then
    	  if model_n.sim(2)>1000 then
    	    if model.sim(1)<>model_n.sim(1) then
    	      needcompile=4
    	    end
    	  end
    	end
          else
    	modified=or(model_n<>model)
    	eq=model.equations;eqn=model_n.equations;
    	if or(eq.model<>eqn.model)|or(eq.inputs<>eqn.inputs)|..
    				      or(eq.outputs<>eqn.outputs) then
    	  needcompile=4
    	end
          end
          // parameter or states changed
          arg1(spath)=xxn// Update
          newpar(size(newpar)+1)=path// Notify modification
          y=max(y,needcompile)
        end
      end
      x=arg1
      typ=newpar
    case 'define' then
    scs_m_1=scicos_diagram()
    scs_m_1.props=tlist(..
    ["params","wpar","title","tol","tf","context","void1","options","void2","void3",..
    "doc"],[600,450,0,0,600,450],["EDGE_TRIGGER","./"],..
    [0.0001;1.000E-06;1.000E-10;100001;0;0;0],30," ",[],..
    tlist(["scsopt","3D","Background","Link","ID","Cmap"],list(%t,33),[8,1],[1,5],..
    list([5,1],[4,1]),[0.8,0.8,0.8]),[],[],list())
    scs_m_1.objs(1)=mlist(["Block","graphics","model","gui","doc"],..
                    mlist(..
                    ["graphics","orig","sz","flip","exprs","pin","pout","pein",..
                    "peout","gr_i","id","in_implicit","out_implicit"],..
                    [288.58631,257.1131],[60,40],%t,"0",5,3,[],[],..
                    list(..
                    "xstringb(orig(1),orig(2),[''Edge'';''trigger''],sz(1),sz(2),''fill'');",..
                    8),"","E","E"),..
                    mlist(..
                    ["model","sim","in","in2","intyp","out","out2","outtyp","evtin","evtout",..
                    "state","dstate","odstate",..
                    "rpar","ipar","opar","blocktype","firing","dep_ut","label","nzcross",..
                    "nmode","equations"],list("edgetrig",4),1,[],1,1,[],1,[],[],[],0,list(),..
                    [],0,list(),"c",..
                    [],[%t,%f],"",1,0,list()),"EDGETRIGGER",list())
    scs_m_1.objs(2)=mlist(["Block","graphics","model","gui","doc"],..
                    mlist(..
                    ["graphics","orig","sz","flip","exprs","pin","pout","pein",..
                    "peout","gr_i","id","in_implicit","out_implicit"],..
                    [388.28869,247.1131],[60,60],%t,["0";"0"],3,[],[],[7;0],..
                    list(..
                    ["txt=[''If in>0'';'' '';'' then    else''];";
                    "xstringb(orig(1),orig(2),txt,sz(1),sz(2),''fill'');"],8),"","E",..
                    []),..
                    mlist(..
                    ["model","sim","in","in2","intyp","out","out2","outtyp","evtin","evtout",..
                    "state","dstate","odstate",..
                    "rpar","ipar","opar","blocktype","firing","dep_ut","label","nzcross",..
                    "nmode","equations"],list("ifthel",-1),1,[],1,[],1,[],[],[1;1],[],[],list(),..
                    [],[],list(),"l",[-1,-1],[%t,%f],"",0,0,list()),"IFTHEL_f",list())
    scs_m_1.objs(3)=mlist(["Link","xx","yy","id","thick","ct","from","to"],..
                    [357.15774;362.99107;379.71726],[277.1131;277.1131;277.1131],..
                    "drawlink",[0,0],[1,1],[1,1,0],[2,1,1])
    scs_m_1.objs(4)=mlist(["Block","graphics","model","gui","doc"],..
                    mlist(..
                    ["graphics","orig","sz","flip","exprs","pin","pout","pein",..
                    "peout","gr_i","id","in_implicit","out_implicit"],..
                    [240.01488,267.1131],[20,20],%t,"1",[],5,[],[],list(" ",8),"",[],..
                    "E"),..
                    mlist(..
                    ["model","sim","in","in2","intyp","out","out2","outtyp","evtin","evtout",..
                    "state","dstate","odstate",..
                    "rpar","ipar","opar","blocktype","firing","dep_ut","label","nzcross",..
                    "nmode","equations"],"input",[],[],1,-1,[],1,[],[],[],[],list(),[],1,list(),"c",[],..
                    [%f,%f],"",0,0,list()),"IN_f",list())
    scs_m_1.objs(5)=mlist(["Link","xx","yy","id","thick","ct","from","to"],..
                    [260.01488;280.01488],[277.1131;277.1131],"drawlink",[0,0],[1,1],..
                    [4,1,0],[1,1,1])
    scs_m_1.objs(6)=mlist(["Block","graphics","model","gui","doc"],..
                    mlist(..
                    ["graphics","orig","sz","flip","exprs","pin","pout","pein",..
                    "peout","gr_i","id","in_implicit","out_implicit"],..
                    [398.28869,181.39881],[20,30],%t,"1",[],[],7,[],list(" ",8),"",..
                    [],[]),..
                    mlist(..
                    ["model","sim","in","in2","intyp","out","out2","outtyp","evtin","evtout",..
                    "state","dstate","odstate",..
                    "rpar","ipar","opar","blocktype","firing","dep_ut","label","nzcross",..
                    "nmode","equations"],"output",[],[],1,[],[],1,1,[],[],[],list(),[],1,list(),"d",[],..
                    [%f,%f],"",0,0,list()),"CLKOUTV_f",list())
    scs_m_1.objs(7)=mlist(["Link","xx","yy","id","thick","ct","from","to"],..
                    [408.28869;408.28869],[241.39881;211.39881],"drawlink",[0,0],..
                    [5,-1],[2,1,0],[6,1,1])
    model = mlist(..
    ["model","sim","in","in2","intyp","out","out2","outtyp","evtin","evtout",..
    "state","dstate","odstate","rpar","ipar","opar","blocktype",..
    "firing","dep_ut","label","nzcross","nmode","equations"],"csuper",-1,[],1,[],[],1,[],1,[],[],list(),..
    scs_m_1,[],list(),"h",[],[%f,%f],"",0,0,list())
      gr_i='xstringb(orig(1),orig(2),[''EDGE'';''TRIGGER''],sz(1),sz(2),''fill'')';
      x=standard_define([3 2],model,[],gr_i)
    end
    endfunction