[McHUG] Arduino Timer help

John Yost k3yjp at yahoo.com
Mon Sep 20 20:22:41 EDT 2010


I am trying to adjust a 16 bit timer to count to a value less than the max 
xFFFF.

I see examples in sketches for sound generation but can't get them to work 
properly.

In one case I want to load TCNT5 (timer5 on a Mega) with 12500, with a prescale 
of 64 to get a 50ms overflow interrupt.(hummm, probably can't cause an overflow 
but should cause something else to happen)

One method I tried used one of the compare modes but it screwed up a bunch of 
pins.

Also tried this on the BBB with no luck there as well.

Any thoughts

thanks

John
K3YJP



      


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