Use timer to run script every ten seconds

29 vues (au cours des 30 derniers jours)
Cary
Cary le 25 Sep 2015
Commenté : Stephen23 le 25 Sep 2015
I have a script that I want to execute automatically every ten seconds indefinitely until I tell it to stop. The script is called 'KelEdge'. I tried to figure out the code but I am having difficulty. Here is what I have:
function t = autoVIX()
t = timer;
t.StartFcn = @autoVIXstart;
t.TimerFcn = @runKelEdge;
t.StopFcn = @autoVIXCleanup;
t.Period = 10;
t.TasksToExecute = inf;
t.ExecutionMode = 'fixedRate';
end
function autoVIXstart(KelEdge,~)
KelEdge;
end
function runKelEdge(KelEdge,~)
KelEdge;
end
function autoVIXCleanup(KelEdge,~)
disp('Stopping KelEdge.')
delete(KelEdge)
end
Thanks in advance for all the help.
  1 commentaire
Stephen23
Stephen23 le 25 Sep 2015
It would be much better if you used fucntions instead of scripts. Functions have many advantages over scripts, e.g. encapsulation, abstraction, their own workspaces. It makes code easier to write and test when you use functions.

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Réponses (1)

Walter Roberson
Walter Roberson le 25 Sep 2015
t = timer;
t.Period = 10;
t.TasksToExecute = inf;
t.ExecutionMode = 'fixedRate';
t.TimerFcn = @(src, event) run('KelEdge');
start(t)
I would recommend changing KelEdge into a function instead of a script. If you have it accept two arguments, then even if it ignores the arguments you could code as
t.TimeFcn = @KelEdge;
you cannot do this for a script because you cannot create a handle to a script, only a handle to a function.
  2 commentaires
Cary
Cary le 25 Sep 2015
Modifié(e) : Cary le 25 Sep 2015
Thanks...I don't understand the inputs to the timer function, I don't have a src or event, just a script...also when I run this, it runs infinitely i.e. it never stops and I can't stop it. What did I do wrong?
Walter Roberson
Walter Roberson le 25 Sep 2015
stop(t) to stop it.
You do have a script, but I recommend you make it a function instead.

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