Fonction d'interfaçage
fr
BITCLEAR
function [x,y,typ]=BITCLEAR(job,arg1,arg2)
x=[];y=[];typ=[]
select job
case 'plot' then
OPER=string( arg1.graphics.exprs(2))
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,Datatype,bit,exprs]=getvalue('Set parameters',..
['Datatype(3=int32 4=int16 5=int8 ...)';..
'index of bit (0 is leat significant)'],..
list('vec',1,'vec',1),exprs)
if ~ok then break,end
in=[model.in model.in2];
if (bit<0) then
message('Incorrect index '+string(bit)+' ; must be >0.');ok=%f;
end
if floor(bit)<> bit then message("index of bit must be integer");ok=%f;end
if (Datatype==3)|(Datatype==6) then
if bit > 31 then message ('Incorrect index '+string(bit)+' ; must be <32.');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 then message ('Incorrect index '+string(bit)+' ; must be <16.');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 then message ('Incorrect index '+string(bit)+' ; must be <8.');ok=%f;
else
bit=uint8(bit)
n=(2^8-1)-2^bit;
n=uint8(n)
model.sim=list('bit_clear_8',4)
end
else message ('Datatype '+string(Datatype)+' is not supported ; It must be 3 to 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=['xstringb(orig(1),orig(2),[''Clear'';''bit: ''+OPER],sz(1),sz(2),''fill'');']
x=standard_define([2 2],model,exprs,gr_i)
end
endfunction