In order to answer that I'd need to see some plots of the raw samples produced by AnalogInput.readBuffered() On Jan 23, 2014 12:07 AM, "Markus Kaczmarek" <[email protected]> wrote:
> 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]>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]. >>> 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. >>> >> >> -- > 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. > -- 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.
