Thanks for the pointer! As to what kind of noise.. Well the values are fluctuating ever so slightly, but enough to register as a change in +-1 digit after my conversion to 7 bit resolution. Would you rather recommend an analog filter?
Den onsdagen den 22:e januari 2014 kl. 20:18:38 UTC+1 skrev Ytai: > > > https://github.com/ytai/ioio/blob/master/software/IOIOLib/src/ioio/lib/impl/CapSenseImpl.java#L57 > > It's a simple first-order IIR. > What sort of noise are you getting? Maybe just sweeping it under the rug > is not the best way to go? Maybe there's a more adequate filter for it? > > > On Wed, Jan 22, 2014 at 5:12 AM, Markus Kaczmarek > <[email protected]<javascript:> > > wrote: > >> Hello >> I was reading up on the CapSense library and I was interested by the fact >> that it mentions a built in automatic filter algorithm. >> I'm reading a large number of pots (10k) thru analog inputs in a matrix >> and i'm getting a little bit more noise than I'd like. >> I've been looking around the impl of the IOIO source but I haven't been >> able to understand how the filter algorithm works. >> Can you please provide me with a reference to where it is located? >> >> Regards >> /M >> >> -- >> You received this message because you are subscribed to the Google Groups >> "ioio-users" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected] <javascript:>. >> To post to this group, send email to [email protected]<javascript:> >> . >> Visit this group at http://groups.google.com/group/ioio-users. >> For more options, visit https://groups.google.com/groups/opt_out. >> > > -- You received this message because you are subscribed to the Google Groups "ioio-users" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To post to this group, send email to [email protected]. Visit this group at http://groups.google.com/group/ioio-users. For more options, visit https://groups.google.com/groups/opt_out.
