How can i send permenantly same position to my robot?

Question

cemsi888 2016-7-29

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https://ww2.mathworks.cn/matlabcentral/answers/297668-how-can-i-send-permenantly-same-position-to-my-robot

评论： cemsi888 2016-8-5

Hi Guys ı would like to send for example in 5 seconds same positions to my robot. Actually i createda function but it sends he position and wait a bit and after sends the next position. Here is my code. I will appreciate if you offer me a solution.Thanks in advance

    % function timertest()
global pos actval
pos = 1;    % aktuelle Position im Feld
actval = 0; % aktueller Wert aus dem Feld
n   = 5;   % Anzahl der Durchlaeufe
del = 5.0; % Intervall in sec.
disp('Start');
t = timer('TimerFcn',@timer_callback_fcn,'Period', del,'ExecutionMode','fixedDelay','TasksToExecute',n);
start(t);
disp('Ende');

end

function timer_callback_fcn(obj, event, string_arg) global pos actval

feld = [1 2 3 4 5];
actval = feld(pos);
pos=pos + 1;
disp(actval);
end

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Answer 1

Isabella W 2016-7-29

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https://ww2.mathworks.cn/matlabcentral/answers/297668-how-can-i-send-permenantly-same-position-to-my-robot#answer_230206

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I believe that the following code does what you are looking for:

function timertest()
   global pos actval
   pos = 1;
   actval = 0;
   n = 5;
   del = 5.0;
   disp('Start');
   t = timer('TimerFcn',@timer_callback_fcn, ...
             'Period', del,...
             'ExecutionMode','fixedDelay', ...
             'TasksToExecute',n, ...
             'StopFcn','disp(''Ende'')');    % display 'Ende' when all positions have been printed
   start(t);
   %disp('Ende');    this will display 'Ende' immediately after start(t), not after all the callbacks have run
end
function timer_callback_fcn(~,~)    % you do not use obj or event in your function so it's fine to ignore them
                                    % you do not require any additional parameters (ie. string_arg)
 global pos actval;
 feld = [1 2 3 4 5];
 actval = feld(pos);
 pos = pos + 1;
   disp(actval);
end