I think I will have to stick to my first idea, in other words CCP.
Found a great example :
http://picbasic.com/resources/samples/x2/pbp/ccpx2.bas
But I'm not really sure how it works and how do you divide #period with 60 ? I assume that the period i messured in seconds.
*edit* Thanks for the great support, I feel a little dumb asking these questions.