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AWR2944EVM: How to realize continuous chirps on AWR2944EVM

Xusheng Zhang
Prodigy 81 points
Part Number: AWR2944EVM

Hi TI team,

I am using AWR2944EVM+DCA1000+mmwave_studio_cli.exe(in mmwave_mcuplus_sdk_04_02_00_01\tools\studio_cli\mmw_cli_tool) capture ADC raw data now.

(1). My main purpose in using TI is to realize continuous chirps (like 6000 chirps one second which transmit uniformly). And I noticed that in mmwave_mcuplus_sdk_user_guide, there exists something about it (shown in figure. 1), but I don't know how to achieve this goal and where to find the resources?

(2) Further, can these continuous chirps be transimitted with multiple tx successively like TDM way?

Figure.1

Look forward to your reply. Thank you.

Regards,

Xusheng Zhang

  • +1
    TI__Guru 69960 points

    Hi Xusheng,

    In the continuous mode, device will generate one constant tone for a given frequency. It won't be any chirping sequence.

    If you are looking for long set of chirps continuously then you need to use Mode:1 (frame based) to get your modulation scheme.

    In the same user guide, please go over the frameCfg CLI command where you can define number of chirps in that frame and make sure that you change the frame periodicity as well to accommodate those many chirps in that frame.

    Regards,

    Jitendra

  • 0 in reply to Jitendra Gupta
    Prodigy 81 points

    Hi Jitendra,

    I now understand, thank you so much.

    Regards,

    Xusheng