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Date:   Tue, 8 May 2018 18:14:28 -0700
From:   Randy Dunlap <rdunlap@...radead.org>
To:     jarul <joearul09@...il.com>, linux-kernel@...r.kernel.org,
        linux-iio@...r.kernel.org
Subject: Re: Using LIBIIO sending DATA to DAC and capturing the output from
 DAC

[adding linux-iio mailing list]

On 05/08/2018 06:12 PM, jarul wrote:
> I would like to ask a question and if anybody can answer my question, I would
> very much appreciate.
> 
> I am using Z706 and AD9361. I have setup the SD card image on the server
> side and I have a client machine which is a Linux machine. I am using
> ad9361-iiostream file where I send my data using sin and cos function to DAC
> and try to get the output from DAC. If I send the random number which does
> not exceed 2047, do the left shift 4 bit and send the data to DAC. It
> creates a nice waveform file and the waveform can be seen on oscilloscope
> clearly.  Using random number I can get the output from DAC. However, when I
> send the sin and cos function, the output from DAC can not be captured or I
> get just 0 and one single value as output.
> 
> I have used iio_channel_read_raw function to capture the output else
> iio_channel_read function to capture the output from DAC. I want to capture
> the DAC output and then send the output to ADC and finally I want to capture
> the ADC output to compare the digital data on both side.
> 
> Can any export or whoever is familiar with the subject libiio can answer my
> question. Thanks a lot.
> 
> 
> 
> --
> Sent from: http://linux-kernel.2935.n7.nabble.com/


-- 
~Randy

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