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// Scicos
//
// Copyright (C) INRIA - METALAU Project <scicos@inria.fr>
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with this program; if not, write to the Free Software
// Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
//
// See the file ../license.txt
//
function [x,y,typ]=Counter(job,arg1,arg2)
x=[];y=[];typ=[];
select job
case 'plot' then
graphics=arg1.graphics;
if (evstr(graphics.exprs(3))==1) then
from=graphics.exprs(1)
to=graphics.exprs(2)
else
from=graphics.exprs(2)
to=graphics.exprs(1)
end
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;exprs=graphics.exprs
model=arg1.model;
while %t do
[ok,minim,maxim,rule,exprs]=scicos_getvalue('Set Counter block parameters',..
['Minimum';'Maximum';'Rule (1=Increment 2=Decrement)'],..
list('vec',1,'vec',1,'vec',1),exprs)
if ~ok then break,end
maxim=int(maxim);minim=int(minim);
if maxim<minim then
message('Maximum value must be greater than the minimum value')
elseif (rule<>1 & rule <> 2) then
message ('Rule can only be 1 or 2')
else
graphics.exprs=exprs
model.dstate=0
model.ipar=[rule;maxim;minim]
x.graphics=graphics;x.model=model
break
end
end
case 'define' then
minim=0
maxim=2
rule=1
model=scicos_model()
model.sim=list('counter',4)
model.evtin=1
model.out=1
model.out2=1
model.dstate=0
model.ipar=[rule;maxim;minim]
model.blocktype='c'
model.dep_ut=[%f %f]
exprs=[string(minim);string(maxim);string(rule)]
gr_i=['xstringb(orig(1),orig(2),[''Counter'';+from+'' --> ''+to],sz(1),sz(2),''fill'');']
x=standard_define([3 2],model,exprs,gr_i)
end
endfunction
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