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Man page of iio_writedev
iio_writedev
Section: LibIIO Utilities (1)
Updated: 19 June 2020
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NAME
iio_writedev - write buffers on an IIO device
SYNOPSIS
iio_writedev
[
options
]
[-n <hostname>] [-t <trigger>] [-T <timeout-ms>] [-b <buffer-size>] [-s <samples>] <iio_device> [<channel> ...]
DESCRIPTION
iio_reg
is a utility for writing buffers from connected IIO devices.
OPTIONS
- -h, --help
-
Tells
iio_readdev
to display some help, and then quit.
-n, --network
Use the network backend with the provided hostname
- -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
- ip:
-
blank, if compiled with zeroconf support, will find an IIO device on network
- usb:[device:port:instance]
-
normally returned from
iio_info -s
- serial:[port]
-
- local
-
with no address part
- -t --trigger
-
Use the specified trigger, if needed on the specified channel
- -b --buffer-size
-
Size of the capture buffer. Default is 256.
- -s --samples
-
Number of samples (not bytes) to capture, 0 = infinite. Default is 0.
- -T --timeout
-
Buffer timeout in milliseconds. 0 = no timeout. Default is 0.
- -a, --auto
-
Scan for available contexts and if only one is available use it.
- -c --cyclic
-
Use cyclic buffer mode.
RETURN VALUE
If the specified device is not found, a non-zero exit code is returned.
USAGE
You use iio_readdev in the same way you use many of the other libiio utilities.
You must specify a IIO device, and the specific channel to read. Since this is a write, channels must be output.
It is easy to use
iio_attr
to find out what the channels are called.
This identifies the device, and channel that can be used.
-
iio_attr -a -o -c .
Using auto-detected IIO context at URI "usb:3.10.5"
dev 'cf-ad9361-dds-core-lpc', channel 'voltage0' (output, index: 0, format: le:S16/16>>0)
dev 'cf-ad9361-dds-core-lpc', channel 'voltage1' (output, index: 1, format: le:S16/16>>0)
This sends 1024 samples of I and Q data to the USB attached AD9361. data is taking from standard in, in a binary format.
-
iio_writedev -a -s 1024 cf-ad9361-dds-core-lpc voltage0 voltage1 < ./samples.dat
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
Index
- NAME
-
- SYNOPSIS
-
- DESCRIPTION
-
- OPTIONS
-
- RETURN VALUE
-
- USAGE
-
- SEE ALSO
-
- BUGS
-
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Time: 07:03:18 GMT, June 19, 2020