Shutdown at specific time

Question

Inna Pelloso 2022-12-21

0
链接

此问题的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1882662-shutdown-at-specific-time

评论： Inna Pelloso 2022-12-21

采纳的回答： Bora Eryilmaz

在 MATLAB Online 中打开

Hi,

What is the best way to make Matlab shutdown at a specific time?

I am running a timer object, tmr, and want to exit matlab when that has completed execution.

tmr = timer                                 ...
    (   'Name'          , 'my_timer'        ...
    ,   'TimerFcn'      , @(~,~) my_script  ...
    ,   'BusyMode'      , 'drop'            ...
    ,   'ExecutionMode' , 'fixedDelay'      ...
    ,   'Period'        ,  10               ...
    ,   'TasksToExecute',  3               ...
    ,   'StartDelay'    ,  0                ...
    );
%--------------------------------------------------------------------------
fTime = datetime([year(x) month(x) day(x) 12 00 00]); % Firing time
startat(tmr,fTime)

And a script, my_script.m:

%%my_script
datestr(now,31)

Thank you,

IP

0 个评论
显示 -2更早的评论隐藏 -2更早的评论

请先登录，再进行评论。

请先登录，再回答此问题。

Answer 1

Bora Eryilmaz 2022-12-21

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1882662-shutdown-at-specific-time#answer_1133607

Call exit in StopFcn of the Timer object.

1 个评论
显示 -1更早的评论隐藏 -1更早的评论

Inna Pelloso 2022-12-21

在 MATLAB Online 中打开

Thank you!

I just added:

'StopFcn' , 'exit'

请先登录，再进行评论。

Answer 2

Geoff Hayes 2022-12-21

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1882662-shutdown-at-specific-time#answer_1133627

在 MATLAB Online 中打开

@Inna Pelloso - if you know when (i.e. seconds from now) that you want to shut down MATLAB, then you could do something like

function exitMatlabWhenTimerExpires
    localTimer = timer('TimerFcn',@timerCallback,...
                       'StartDelay',30,'ExecutionMode','SingleShot');
    start(localTimer);
               
    function timerCallback(~,~)
        fprintf('Exiting MATLAB...\n');
        exit; 
    end
end

In the above, the timer callback is called 30 seconds (the StartDelay) after the timer is started.

1 个评论
显示 -1更早的评论隐藏 -1更早的评论

Inna Pelloso 2022-12-21

Thank you. Calling StopFcn is much easier.

请先登录，再进行评论。

Answer 3

Adam Danz 2022-12-21

0
链接

此回答的直接链接

https://ww2.mathworks.cn/matlabcentral/answers/1882662-shutdown-at-specific-time#answer_1133662

编辑：Adam Danz 2022-12-21

在 MATLAB Online 中打开

This solution displays a confirmation dialog that indicates to users that MATLAB will close unless they decide to cancel the auto-close. The clock in the message box counts down to 0 and if the user does nothing, MATLAB will close.

This uses quit force which ignores the finish.m file and it ignores the exit confirmation prompt if it is enabled. If you want don't want to ignore those, just use quit.

tmr = timer                                 ...
    (   'Name'          , 'my_timer'        ...
    ,   'TimerFcn'      , @autoCloseMATLABfcn  ...
    ,   'BusyMode'      , 'drop'            ...
    ,   'StartDelay'    ,  0                ...
    );
fTime = datetime([year(x) month(x) day(x) 12 00 00]); 
startat(tmr,fTime)
% For testing, replace the fTime line with
%    fTime = datetime('now') + seconds(3);  % prompt in 3 seconds
function autoCloseMATLABfcn(tobj,~)
delay = 30; % seconds 
msgboxFcn = @(d)sprintf('Exiting MATLAB in %d seconds. Do you want to cancel auto-exit? ', d);
mb = msgbox(msgboxFcn(delay),'Exiting','warn');
starttime = tic;
while isvalid(mb) && toc(starttime)<delay
    % keep waiting unless msgbox closes or time expires
    timeleft = floor(delay - toc(starttime));  
    set(findobj(mb,'type','text','Tag','MessageBox'), 'String', msgboxFcn(timeleft)) % update text
    drawnow % update the msgbox display
end
stop(tobj)
delete(tobj)
if isvalid(mb)
    close(mb)
    quit force  % "force" ignores the finish.m file and exit confirmation 
end
end