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Teledyne Lecroy Reading Waveform

Asked by Shane Sullivan on 18 May 2018 at 12:10

I am using the available example from Teledyne Lecroy to read data from an oscilloscope . It was working just fine last week! I updated from 2017b to 2018a, and now it no longer works! I have tried using 2017b, and it still does not work. I am hoping to avoid a complete uninstall and reinstall.

I have narrowed the problem down setting the input buffer size. I create a device object:

deviceObj = icdevice('lecroy_basic_driver.mdd', interfaceObj);

If I check the InputBufferSize, it is at a default value of 26000

I then set the input buffer size with

set(interfaceObj, 'InputBufferSize', 500000);

If I check the input buffer size, it is set to 500000.

Wen I then connect to the device:

connect(deviceObj);

Immediately following that and I check the input buffer size, it is reset to 26000.

Any help or ideas? I contacted Teledyne Lecroy and they gave me another example they verified that the buffer size is working correct, and suggest it is something to do with the Matlab environment.

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