private static void OnSpeedRPMChanged(ushort speed, ushort rpm)
{
if (CurrentSpeed == speed && CurrentRPM == rpm)
{
return;
}
CurrentSpeed = speed;
CurrentRPM = rpm;
var e = SpeedRPMChanged;
if (e != null)
{
e(new SpeedRPMEventArgs(CurrentSpeed, CurrentRPM));
}
}