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IWR1843BOOST: Medium Range Radar demo freezing on MATLAB GUI and Python terminal

Fong Zi Hao
Prodigy 95 points
Part Number: IWR1843BOOST


Tool/software:

Hi,
I have an IWR1843BOOST running MRR on the MATLAB GUI, and it freezes quite often. This seems to be a known limitation mentioned in the MRR release notes, possibly due to the rich point cloud data from USRR. I tested this using Python by printing the raw data in the terminal, and it also freezes every time the message length reaches 1016 (bytes?).

I then flashed the MRR Beam Steering firmware onto the module. The same issue occurred in the MATLAB GUI, but it seems to work fine in Python. So it appears that the system freezes when there are too many point clouds.

My questions are:

  1. Is this issue caused by the radar module or the PC?

  2. If it's the latter, is it possible to output only TLV Tracked Objects to reduce the message length? I'm only interested in tracked objects.
    If so, can I simply modify dss_main.c from the Medium Range Radar (MRR) project and delete the if statements at lines 910, 948, and 988, which correspond to:

    • TLV Detected Points

    • TLV Clusters

    • TLV Parking Assist