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// Xcos
//
// Copyright (C) INRIA - METALAU Project <scicos@inria.fr>
// Copyright (C) 2011 - Bernard DUJARDIN <bernard.dujardin@contrib.scilab.org>
//
// 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., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
//
// See the file ../license.txt
//
function [x,y,typ]=BITCLEAR(job,arg1,arg2)
x=[];
y=[];
typ=[];
select job
case "set" then
x=arg1;
graphics=arg1.graphics;
exprs=graphics.exprs
model=arg1.model;
while %t do
[ok,Datatype,bit,exprs]=scicos_getvalue([msprintf(gettext("Set %s block parameters"), "BITCLEAR"); " "; gettext("Clear a bit");" "],..
[msprintf(gettext("Data Type %s"), "(3:int32, 4:int16, 5:int8, ...)"); gettext("Index of Bit (0 is least significant)")],..
list("vec",1,"vec",1), exprs);
if ~ok then
break,
end
in=[model.in model.in2];
if floor(bit) <> bit then
block_parameter_error(msprintf(gettext("Wrong type for ''%s'' parameter: %5.1f."), gettext("Index of Bit"), bit), ..
gettext("Must be integer.") ..
);
ok=%f;
elseif (Datatype == 3) | (Datatype == 6) then
if bit > 31 | bit < 0 then
block_parameter_error(msprintf(gettext("Wrong value for ''%s'' parameter: %d."), gettext("Index of Bit"), bit), ..
msprintf(gettext("Must be in the interval %s."), "[0, 31]"));
ok=%f;
else
bit=uint32(bit)
n=(2^32-1)-2^bit;
n=uint32(n)
model.sim=list("bit_clear_32",4)
end
elseif (Datatype == 4)|(Datatype == 7) then
if bit > 15 | bit < 0 then
block_parameter_error(msprintf(gettext("Wrong value for ''%s'' parameter: %d."), gettext("Index of Bit"), bit), ..
msprintf(gettext("Must be in the interval %s."), "[0, 15]"));
ok=%f;
else
bit=uint16(bit)
n=(2^16-1)-2^bit;
n=uint16(n)
model.sim=list("bit_clear_16",4)
end
elseif (Datatype == 5)|(Datatype == 8) then
if bit > 7 | bit < 0 then
block_parameter_error(msprintf(gettext("Wrong value for ''%s'' parameter: %d."), gettext("Index of Bit"), bit), ..
msprintf(gettext("Must be in the interval %s."), "[0, 7]"));
ok=%f;
else
bit=uint8(bit)
n=(2^8-1)-2^bit;
n=uint8(n)
model.sim=list("bit_clear_8",4)
end
else
block_parameter_error(msprintf(gettext( "Wrong value for ''%s'' parameter: %d."), gettext("Data Type"), Datatype),..
msprintf(gettext( "Must be in the interval %s."), "[3, 8]"));
ok=%f;
end
if ok then
it=Datatype
ot=Datatype
out=[1 1]
[model,graphics,ok]=set_io(model,graphics,list(in,it),list(out,ot),[],[])
end
if ok then
graphics.exprs=exprs;
model.opar=list(n)
x.graphics=graphics;
x.model=model;
break
end
end
case "define" then
model=scicos_model()
model.sim=list("bit_clear_32",4)
model.in=1
model.in2=1
model.out=1
model.out2=1;
model.intyp=3
model.outtyp=3
model.opar=list(int32(0))
model.blocktype="c"
model.dep_ut=[%t %f]
exprs=[sci2exp(3);sci2exp(0)]
gr_i=[]
x=standard_define([4 2],model,exprs,gr_i)
end
endfunction
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