NAME

       iio_attr - list IIO devices, and read/write device attributes

SYNOPSIS

       iio_attr [ options ] -d [device] [attr] [value]
       iio_attr [ options ] -c [device] [channel] [attr] [value]
       iio_attr [ options ] -D [device] [attr] [value]
       iio_attr [ options ] -C [attr]
       iio_attr -S <arg>
       iio_attr -h

DESCRIPTION

       iio_attr  is  a  utility for displaying information about local or remote IIO devices.  By
       providing an optional value,  iio_attr  will  attempt  to  write  the  new  value  to  the
       attribute.

COMMANDS

       The  iio_attr  utility  has a few main options, which control what the main utility of the
       application is.

       -d, --device-attr
              Read and Write IIO device attributes

       -c --channel-attr
              Read and Write IIO channel attributes

       -B --buffer-attr
              Read and Write IIO Buffer attributes

       -C --context-attr
              Read and Write IIO Context attributes

       -D --debug-attr
              Read and Write IIO Debug attributes

       -S, --Scan
              Scan for available IIO contexts, optional arg of specific backend(s) 'ip', 'usb' or
              'ip:usb'. If no argument is given, it checks all that are available.

       -h, --help
              Tells iio_attr to display some help, and then quit.

OPTIONS

       -a, --auto
              Look  around  for  devices  (locally, ip, and usb), and if there is only one device
              found, connect to it.

       -u, --uri
              The Uniform Resource Identifier (uri) for connecting to devices, can be one of:

              ip:[address]
                     network  address,  either  numeric   (192.168.0.1)   or   network   hostname
                     (pluto.local)

              ip:    blank, if compiled with zeroconf support, will find an IIO device on network

              usb:[device:port:instance]
                     normally returned from iio_info -s or iio_attr -S

              usb:   blank, if there is only one IIO device plugged into USB, find it, and attach
                     to it.

              serial:[port],[baud],[config]
                     serial configuration, serial:/dev/ttyUSB0,115200,8n1  115200  baud,  8  data
                     bits, no partity, one stop bit

              local: with no address part

       -i, --input-channel
              Filters channels by input channels only

       -o, --output-channel
              Filters channels by output channels only

       -s, --scan-channel
              Filters channels by scan channels only

       -I, --ignore-case
              When pattern matching devices, channels or attributes, ignore case

       -g, --generate-code <arg>
              Generate  small C or python snippets that emulate what you are doing on the command
              line. Argument is a file name 'foo.c' or 'foo.py'

       RETURN VALUE
              If the specified device is not found, a non-zero exit code is returned.

SEE ALSO

       iio_attr(1), iio_info(1), iio_readdev(1), iio_reg(1), iio_writedev(1), libiio(3)

       libiio home page: https://wiki.analog.com/resources/tools-software/linux-software/libiio

       libiio code: https://github.com/analogdevicesinc/libiio

       Doxygen for libiio https://analogdevicesinc.github.io/libiio/

BUGS

       All bugs are tracked at: https://github.com/analogdevicesinc/libiio/issues