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how to run a loop parallel

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Adrian
Adrian 2013-9-26
评论： Adrian 2013-9-27
Hi,
is there a way to run a loop parallel (like a timer would do) to the rest of the programm? I want to start it by a start command and end it by a stop command. (quasi a timer with Period = 0)

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回答（1 个）

Jan
Jan 2013-9-26
No, there is no such method. What about using a timer?
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Adrian
Adrian 2013-9-27
Ok, I created a GUI with GUIDE. Added a Static text field (text1) and a CloseRequestFcn.
Then I added following Code to the generated:
Added to the OpeningFcn:
handles.tim2 = timer('TimerFcn', {@timer2_callback_fcn, handles}, 'Period', 0.001, 'ExecutionMode', 'FixedSpacing');
guidata(hObject, handles);
handles.tim = timer('TimerFcn', {@timer_callback_fcn, handles}, 'ExecutionMode', 'fixedSpacing', 'StartDelay', 1, 'Period', 2);
start(handles.tim);
After that I added the two timer CallbackFcn:
First one:
function timer_callback_fcn(obj, event, handles)
start(handles.tim2);
pause(10);
stop(handles.tim2);
set(handles.text1, 'str', 'stop');
Second one:
function timer2_callback_fcn(obj, event, handles)
set(handles.text1, 'str', 'running');
The CloseRequestFcn I expanded by:
stop(handles.tim2);
stop(handles.tim);
delete(handles.tim2);
delete(handles.tim);
If I run the GUI 'stop' is displayed after 10 seconds . 'running' doesn't appear. Errors aren't displayed.
Added files: - 'testgui.zip' containing 'testgui.fig' and 'testgui.m'

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