counter = 100;
TimerH = timer('TimerFcn', @doCount, 'ExecutionMode', 'fixedRate', ...
'Period', 1.0, 'UserData', counter);
start(TimerH);
while true
do_something=true;
pause(rand);
counter = TimerH.UserData;
disp(counter);
end
delete(TimerH);
function doCount(TimerH, EventData)
TimerH.UserData = TimerH.UserData - 1;
end
Do you really need an active counter?
iniTime = clock;
while true
do_something=true;
pause(rand);
counter = 100 - etime(clock, iniTime);
disp(counter);
end
