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CCS/AWR1843: Slow time BPM coding

ahmad arshad
Intellectual 265 points

Part Number: AWR1843
Other Parts Discussed in Thread: DCA1000EVM

Tool/software: Code Composer Studio

i am using AWR1843  with dca1000, is it possible to plot real time continuous results in studio GUI, moreover angle plots are not there in GUI,  how can i get to plot angle plots for my targets. 

  • 0
    Intellectual 265 points

    Moreover, data file which i export from studio .json file, is it processed data or raw IQ samples?

  • 0
    TI__Mastermind 31680 points

    Hello Ahmad, 

    mmWave studio cannot be used for live processing. Its architected for offline processing. If you want to do live processing, you would have to capture the raw data directly from the Ethernet port using your own application.

    For angle plots, we have a reference code in the SDK package, you might want to refer to that. Please refer to the files present at the below locations: 

    <download directory> \ti\mmwave_sdk_03_04_00_03\packages\ti\datapath\dpc\dpu\aoaproc

    <download directory> \ti\mmwave_sdk_03_04_00_03\packages\ti\datapath\dpc\dpu\aoa2dproc

    Regards,

    Ishita

  • 0 in reply to ahmad arshad
    TI__Guru**** 151914 points

    Hi,

    It is not possible to perform real time processing with the DCA1000. Data is first captured to a .bin file. After the capture is completed the data is processed off line

    thank you

    Cesar

  • 0 in reply to Cesar
    Intellectual 265 points

    thank you for the reply @cesar

    means i get mere raw data IQ samples from DCA1000, MATLAB or SDK is to be used  for 1-d,2D. 3D FFT and post processing algos.

    correct me if i am wrong. 

    regards ahmad.

  • 0 in reply to ahmad arshad
    TI__Mastermind 24955 points

    Ahmad,

    The DCA1000EVM is strictly used for capturing raw ADC samples which can be analyzed in MATLAB or similar tools.

    You can use the mmWave SDK as a reference point for developing your own algorithms.

    The Out-of-Box demo that is included in the mmWave SDK has examples for our device platforms including AWR1843. In the Out-of-Box demo, the AWR1843 samples raw ADC values and then uses this input to perform 1D, 2D, and 3D FFT on the device to send out a list of detected points using (X,Y,Z) coordinates.

    Please refer to the Doxygen for the Out-of-Box Demo that describes the processing chain in more detail.

    In the current SDK release, this Doxygen can be found at this file location:

    file:///C:/ti/mmwave_sdk_03_04_00_03/packages/ti/demo/xwr18xx/mmw/docs/doxygen/html/index.html

    Regards,
    Kyle