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IWR1642BOOST: questions about 'Very Fine Motion Detection vs PIR' experiment

Jiadi Zhang
Intellectual 315 points
Part Number: IWR1642BOOST

Hi,

I am trying to implement 'Very Fine Motion Detection vs PIR' in our IWR1642BOOST board. But I found two questions in 16xx_ob_sdk_1.1_motion_detection_6.4m.cfg file. Here is the link of this configuration file:  

1. The mmWave SDK 1.1 user guide (page 21) says that the fourth value of adcbufCfg should be 0, but in this file it's 1: 'adcbufCfg -1 0 0 1 0'. Can anyone explain this? 

2. why it does not contain configuration of lowPower? this should be a mandatory command.

One more question is, can we view Doppler-range heat map plot in mmWave Demo Visualizer of this experiment? 

Thank you.

Regards,

Jiadi

  • Former Member
    0 Former Member
    Hello Jiadi,

    1. This is an error in the table. Note that for the <ChanInterleave> parameter:

    ADCBUF channel interleave configuration:
    0-interleaved(not supportedon XWR16xx),
    1- non-interleaved

    Meaning that only 1 is supported for 16xx.

    2. The lowPower configuration should be included - at the time the visualizer did not implement this check and default was not enabled.

    3. No, the chirp has a high frame rate and cannot be used. You would need to design a chirp with a frame rate less than 5fps if you want to view the heatmap.

    Amanda