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IIO Scope .txt "Invalid data format", even with "TEXT" at first line.

Question asked by pmrobledillo on Aug 9, 2018
Latest reply on Aug 16, 2018 by larsc

I am following the AD-FMCOMMS3-EBZ User Guide and I have encountered a problem in the section 4.2: Create and analyze data files in MATLAB. One is supposed to generate .txt files using the Simulink schematics provided by the user guide, files whose content is a signal to be transmitted towards the AD9361 using the DAC Buffer Output with IIO Oscilloscope.

However, IIO Oscilloscope’s parsing rejects all .txt files that contain commas or decimal numbers, despite I add the TEXT word at the first line of the file. It returns the message “Invalid data format”. It only accepts .txt files that contain integers separated by tabs or spaces, so I cannot use the the .txt files generated by the MATLAB examples.

Is there any problem with my IIO Oscilloscope installation, or with the way I am using the MATLAB and Simulink examples?

Thank you in advance.