... talking about iio ...
Here is something for you to debug on the beagle bone black:
I use a beagle bone black with a 3.13.6 kernel and would like to get the
./generic_buffer test which comes with the kernel to work.
This is what I do:
echo 1 > /sys/bus/iio/devices/iio_sysfs_trigger/add_trigger
ls /sys/bus/iio/devices/
iio:device0 iio_sysfs_trigger trigger0
cat /sys/bus/iio/devices/trigger0/name
sysfstrig1
echo 1 > /sys/bus/iio/devices/iio:device0/scan_elements/in_voltage5_en
./generic_buffer.out -n TI-am335x-adc -t sysfstrig1 -l 128
iio device number being used is 0
iio trigger number being used is 0
sysfstrig1
---> Could not open /trigger/current_trigger
Failed to write current_trigger file
Regards,
Robert