Is there a reason why "overreading" causes the issue? I've noticed I can cause it by running a:
find /sys/devices -iname ain* Which is really annoying! On Friday, December 6, 2013 1:27:13 AM UTC-5, nax...@gmail.com wrote: > > The problem seems to arise when I am trying to access ADC continuously > without delay. > When I tried to access ADC continuously, the "Resource temporarily > unavailable" error remained constant and I was not able to read ADC > unless I rebooted the system. > > If I give a delay after reading each ADC value, > Occassionally I do get "Resource temporarily unavailable" error but it > just remains for a few seconds and I am able to read ADC again normally. > > On Monday, December 2, 2013 6:26:11 PM UTC+5:30, nax...@gmail.com wrote: >> >> I am getting resource temporary unavailable when I tried to read ADC pins >> from BeagleBone Black >> >> root@beaglebone:~# cat /sys/devices/ocp.2/helper.11/AIN* >> cat: /sys/devices/ocp.2/helper.11/AIN0: Resource temporarily unavailable >> cat: /sys/devices/ocp.2/helper.11/AIN1: Resource temporarily unavailable >> cat: /sys/devices/ocp.2/helper.11/AIN2: Resource temporarily unavailable >> cat: /sys/devices/ocp.2/helper.11/AIN3: Resource temporarily unavailable >> cat: /sys/devices/ocp.2/helper.11/AIN4: Resource temporarily unavailable >> cat: /sys/devices/ocp.2/helper.11/AIN5: Resource temporarily unavailable >> cat: /sys/devices/ocp.2/helper.11/AIN6: Resource temporarily unavailable >> cat: /sys/devices/ocp.2/helper.11/AIN7: Resource temporarily unavailable >> >> What might be the reason for the error ? >> The ADC pins AIN0 to AIN5 are connected to thermistors and the actual >> voltage at the ADC pins is around 0.77 volt >> > -- 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.
