From: Dhanushka Jayaweera <danushka...@gmail.com> Reply-To: <beagleboard@googlegroups.com> Date: Thursday, December 19, 2013 at 7:42 PM To: <beagleboard@googlegroups.com> Cc: Amalinda J' Gamage <amalinda.gam...@gmail.com> Subject: Re: [beagleboard] Check if ADC is giving real values or floating values
> hey Gerald, > > you are helpful as always. can u please give me few hints about pullups? i > tried googling, but couldn't understand much. > > thnx > > On Friday, December 20, 2013 8:21:16 AM UTC+5:30, Gerald wrote: >> Some pins have pullups on them in touchscreen mode. I can't tell you how to >> do it, but you need to turn those pullups off. You probably need to read up on the DeviceTree and setting the mode for each pin. Best place to read about device tree is here: https://github.com/jadonk/validation-scripts/tree/master/test-capemgr Regards, John >> >> Gerald >> >> >> >> On Thu, Dec 19, 2013 at 8:30 PM, Dhanushka Jayaweera <danus...@gmail.com >> <javascript:> > wrote: >>> hey guys, >>> >>> I'm pretty new to this BBB. I'm trying to read values from ADC pins. It >>> works as expected when I have connected ADC pins to power. >>> But when pins are disconnected from power, it still gives values. Sometimes >>> these values are pretty close to real values. >>> >>> How can I filter them out?? >>> >>> Thanks >>> -- >>> For more options, visit http://beagleboard.org/discuss >>> --- >>> You received this message because you are subscribed to the Google Groups >>> "BeagleBoard" group. >>> To unsubscribe from this group and stop receiving emails from it, send an >>> email to beagleboard...@googlegroups.com <javascript:> . >>> For more options, visit https://groups.google.com/groups/opt_out. >> > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to beagleboard+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/groups/opt_out. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to beagleboard+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/groups/opt_out.
