Can I use the USB-8452 as a Bus Monitor?

Updated May 3, 2018

Reported In

Hardware

  • USB-8452

Software

  • LabVIEW

Driver

  • NI-845x

Issue Details

I have an I2C system set up with external devices and would like to keep track and monitor the frames on the bus. Is it possible to use the USB-8452 as a sniffer to monitor bus traffic?

Solution

No, since the USB-8452 is an active master device it cannot passively monitor the Bus. You would need to write directly to your USB-8452 in order for it to read from the bus. 

Additional Information


Likely an I2C Sniffer or Bus Monitors would work for this application. 

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