Jay - are these variables in your workspace because you are using Simulink? If so, you could create a timer object in the OpeningFcn of your GUI as
handles.timer = timer('Name','MyTimer', ...
'Period',5, ...
'StartDelay',1, ...
'TasksToExecute',inf, ...
'ExecutionMode','fixedSpacing', ...
'TimerFcn',{@timerCallback,handles.figure1});
guidata(hObject,handles);
start(handles.timer);
In the above, we create the timer that will fire every five seconds. We assign a callback, timerCallback, and pass an additional parameter which the handle to the GUI/figure. We then save the updated handles structure and start the timer.
Your callback would then be
function [] = timerCallback(~,~,guiHandle)
if ~isempty(guiHandle)
% get the handles
handles = guihandles(guiHandle);
% collect your data from the workspace
% update the text fields of your GUI using *handles*
% an example:
% find the distance traveled
distTraveled = randi(255,1,1);
% update the distance traveled text field
set(handles.textDistanceTraveled,'String',num2str(distTraveled));
end
You would probably need to use evalin to get your data from the base workspace. textDistanceTraveled is the name/tag for your distance traveled text field. (I suspect that it is quite different in your code.)
Try the above and see what happens! (See also https://www.mathworks.com/matlabcentral/answers/178682-collecting-a-variable-every-two-minutes for a similar problem.)
