DEMO94
  Demonstration for use Timer functions
    use 5 StopWatch channels(channel 1-5) to change 5DigitalLed
  in different time interval
    functions used:
      TimerOpen --> start to use timer
      TimerClose--> stop to use timer
      StopWatchStart --> strat to count time
      StopWatchReadValue --> read current time count(unit:ms)

   press 'q' to quit program.
   5DigitLed will show 0 to F,
    position 1 will be update every 1 sec
    position 2 will be update every 0.5 sec
    position 3 will be update every 0.4 sec
    position 4 will be update every 0.3 sec
    position 5 will be update every 0.2 sec