Initialize timer
function constructor import Modelica; extends Modelica.Icons.Function; import Modelica_DeviceDrivers.EmbeddedTargets.AVR.Types; input Types.TimerSelect timerSelect; input Types.TimerPrescaler clockSelect; input Boolean clearTimerOnMatch "CTC1/WGM12, for periodic tasks. If using PWM, does fast PWM"; output Timer timer; end constructor;