function [x,y,typ]=M_freq(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,frequ,offset,exprs]=getvalue('Set block parameters',.. ['Sample time';'Offset'],.. list('vec',-1,'vec',-1),exprs) if ~ok then break,end offset=offset(:);frequ=frequ(:); if (size(frequ,'*'))<>(size(offset,'*')) then message("offset and frequency must have the same size");ok=%f; elseif or(frequ<0) then message("Frequency must be a positif number");ok=%f; elseif or(abs(offset) > frequ) then message("The |Offset| must be less than the Frequency");ok=%f end if ok then v=[frequ;offset]; v=v(find(v<>0)); min_v=min(v);max_v=max(v); if (max_v/min_v)>1e5 then message(['The difference between the frequencies is very large';.. 'the clocks could not be synchronized']); ok=%f; return; end [pgcd,den]=fixedpointgcd(v); off=0; [m1,k]=uni(frequ,offset); frd=m1.*(den) frequ=frequ(k); frd1=round((frequ.*(den))); frd1=uint32(frd1); ppcm=lcm(frd1); frd1=double(frd1); frd=double(frd); offset=offset(k); mat=[]; for i=1:size(frd,'*') mat1=[offset(i)*double(den):frd1(i):double(ppcm)]'; mat=[mat;[mat1 2^(i-1)*ones(size(mat1,'*'),1)]]; end [n,k]=gsort(mat(:,1),'g','i'); mat=mat(k,:); if size(mat,1)>1 then while (find(mat(1:$-1,1)==mat(2:$,1))<>[]) then ind=find(mat(1:$-1,1)==mat(2:$,1)); ind=ind(1); mat(ind,2)=mat(ind,2)+mat(ind+1,2); mat(ind+1,:)=[]; end m=[mat(2,1);mat(2:$,1)-mat(1:$-1,1)]; m=[m,mat(:,2),mat(:,1)]; count=1; if find(m(:,3)==0)<>[] then m(find(m(:,3)==0),:)=[]; count=0; end mn=(2**size(m1,'*'))-1; fir=-ones(1,mn); fir(mat(1,2))=mat(1,1)/double(den); else m=[frd1 1 frd1]; mat=m; count=0; off=offset; fir=off; end if or(model.rpar(:)<>[frequ;offset]) then needcompile=4;y=needcompile,end model.opar=list(m,double(den),off,count) mn=(2**size(m1,'*'))-1; if mn>3 then graphics.sz=[40+(mn-3)*10 40] else graphics.sz=[50 40] end model.evtin=1 model.evtout=ones(mn,1); model.firing=fir; graphics.exprs=exprs x.graphics=graphics x.model=model break end end needcompile=resume(needcompile) case 'define' then model=scicos_model() model.sim=list('m_frequ',4) model.evtout=[1;1;1] model.evtin=1 model.rpar=[] model.opar=list([1 1 0;1 1 1;1 3 2],1,0,0); model.blocktype='d' model.firing=[0 -1 -1] model.dep_ut=[%f %f] exprs=[sci2exp([1;2]);sci2exp([0;0])] gr_i=[ // 'a=evstr(arg1.graphics.exprs(1))'; // '[x,y,typ]=standard_outputs(arg1) '; // 'xx=[x,orig(1)+sz(1)]'; // 'for i=1:size(a,''*'')'; // 'xstringb(x(2^(i-1))-sz(1)/16,orig(2)+sz(2)/32,string(a(i)),xx(2**(i-1)+1)-xx(2**(i-1)),sz(2)/16)'; // 'end'; 'xstringb(orig(1),orig(2),['' Multiple '';'' Frequency ''],sz(1),sz(2));'] x=standard_define([2.5 2],model,exprs,gr_i) end endfunction function [value,denom_com]=fixedpointgcd(v) x=log10(v); f=round((min(x)+max(x))/2); v=v./10^(f); [N,D]=rat(v,1d-5); denom_com=lcm(uint32(D)); N=uint32(N)*denom_com./uint32(D); value=gcd(N); if f>0 then value=value*10^f; else denom_com=double(denom_com)*10^(-f); end endfunction function [m,k]=uni(fr,of) k=[]; m=[]; for i=1:size(fr,'*') ind=find(m==fr(i)); if ind==[] then m=[m;fr(i)]; k=[k;i]; else for j=ind if of(i)<> of(j) then m=[m;fr(i)]; k=[k;i]; end end end end endfunction