On Thu, 30 Jan 2003, Josh Koffman wrote:

> You can easily change the duty cycle, just reload the counters when the
> edge counter overflows. I think (I haven't looked at Scott's comments
> recently) the difficult but possible mod was to allow different periods
> for each output.


Changing the PWM duty cycle on the fly is trivial. I've made the change
and gave Josh a copy. I still haven't put the code on my web page though.
As it stands, the PWM routine takes 23 cycles for 8 outputs. If you only
need three, then that reduces by 10 cycles.

Scott

--
http://www.piclist.com#nomail Going offline? Don't AutoReply us!
email listserv@mitvma.mit.edu with SET PICList DIGEST in the body