From:  "robert.berger" <robert.karl.ber...@gmail.com>
Reply-To:  <beagleboard@googlegroups.com>
Date:  Saturday, March 22, 2014 at 12:55 AM
To:  <beagleboard@googlegroups.com>
Subject:  [beagleboard] Re: Hello World Program GSOC 2014

> 
> 
> On Friday, March 21, 2014 7:43:11 PM UTC+1, Florin Maticu wrote:
>> Hello World program for GSOC 2014.
>> Project: Debugging tools for LINUX INDUSTRIAL I/O SUBSYSTEM
> 
> ... 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
You should ask this question on the Linux-IIO mailing list.

Regards,
John
> 
> 
> Regards,
> 
> Robert 
> 
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