Specify the callback function to execute when a predefined period of time passes.
TimerFcn to execute a callback
function when a timer event occurs. A timer event occurs when the
time specified by the
TimerPeriod property passes.
Time is measured relative to when the serial port object is connected
to the device with
A timer event can be generated at any time during the serial port session.
RecordStatus property value is
and a timer event occurs, the record file records this information:
The event type as
The time the event occurred using the format day-month-year hour:minute:second:millisecond
Some timer events might not be processed if your system is significantly
slowed or if the
TimerPeriod value is too small.
To learn how to create a callback function, see Create and Execute Callback Functions.
The default value is an empty string.