Re: terminate routine

[Uwe Damm]

if you need a non-blocking kbhit, just pass a parameter to it (kbhit(1))

example:

cnt=0;
while(1)
    k=kbhit(1);
    if k=='q'
        break;
    end
    disp(int2str(cnt));
    fflush(stdout);
    cnt=cnt+1;
end

Uwe

Am 22.02.19 um 17:01 schrieb Przemek Klosowski:
> On 2/22/19 6:23 AM, Herr Oswald wrote:
> > Hello,
> >
> > a dear friend of mine (who is familiar with matlab) wrote a few lines
> > to analyse tempo variations in musical recordings.
> >
> > One problem he could not get around is how to terminate the routine. At
> > present this is solved with a timeout of 10s.
> >
> > When started, the routine writes time stamps into an array whenever a
> > key is pressed. What we now need is a handle to terminate the process
> > by a special key with the contents of the array preserved - ctrl-C or
> > ctrl-D seem not to work.
>
> I think that you are capturing the tempo by hitting a key while 
> listening to the music, and want to terminate the process when the 
> music stops---am I right? If so, could you just look at the last 
> character and quit when you see something like a 'q'?
>
> while ((a=kbhit()) != 'q') ; coll(end+1) = time; end
>
> > This is the code:
> >
> > <raw>f=figure;
> > pause(0.05);
> > set(f,'Position',[1 1 2 2]);
> > time=0;
> > coll=[];
> > tic;
> > while time<10
> >      waitforbuttonpress;
> >      time=toc;
> >      tic;
> >      coll=[coll time];
> > end
> > coll
> > col=60./coll;
> > close(f);
> > plot(col(1:end-1))</raw>
> >
> > We would be very grateful for a brief hint.
> >
> > Cheers,
> > Wolf