On Sun, Dec 3, 2017 at 1:07 PM, Ken Shirriff <[email protected]> wrote: > I can read analog inputs 0-4 from > /sys/bus/iio/devices/iio:device0/in_voltageN_raw but I can't get analog > inputs 5-7 to work. Inputs 5 and 6 don't have analog as a choice in > config-pin: > > $ config-pin -l P1_2 > default gpio gpio_pu gpio_pd pruout pruin > > Analog input 7 (P2_36) doesn't have any other function, but it ignores any > analog input voltage. > > Is there a trick to using inputs 5-7 or is support under development?
Since 5-7 ADC's are shared with a normal pin, you need to stick the gpio in gpio mode with config-pin.. (no pull-up, no pull-down) then it might work.. Haven't personally tried this yet.. Regards, -- Robert Nelson https://rcn-ee.com/ -- 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 [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/CAOCHtYjKoCF5-ZULWhZUdefCMZo84H1g_1tmPQjaUFOO4v8Xpg%40mail.gmail.com. For more options, visit https://groups.google.com/d/optout.
