IWR6843ISK: MMWAVE SDK Version Mismatch Error with IWR6843ISK + DCA1000EVM (LRPD Binary Flashed)

V L V Vardhan

Part Number: IWR6843ISK
Other Parts Discussed in Thread: DCA1000EVM

I am currently working with the IWR6843ISK in conjunction with the DCA1000EVM to capture raw ADC data through MATLAB using the dca1000 interface.

Hardware & Software Setup

Sensor: IWR6843ISK
Capture Card: DCA1000EVM
Flashed Firmware: Long Range People Detection (LRPD) demo
Data Path: LVDS streaming enabled
MATLAB Interface: dca1000("IWR6843ISK")

MATLAB Code (Relevant Section)

clear dca
dca = dca1000("IWR6843ISK");

fs = dca.ADCSampleRate*1e3;
sweepSlope = dca.SweepSlope * 1e12;
nr = dca.SamplesPerChirp;

rangeresp = phased.RangeResponse( ...
    RangeMethod = 'FFT', ...
    RangeFFTLengthSource = 'Property', ...
    RangeFFTLength = nr, ...
    SampleRate = fs, ...
    SweepSlope = sweepSlope, ...
    ReferenceRangeCentered = false);

stopTime = 100;
ts = tic;

while (toc(ts)<stopTime)
    iqData = dca();
    iqData = squeeze(iqData(:,1,:));
    plotResponse(rangeresp,iqData);
    drawnow limitrate;
end

dca.release;

Issue Observed

MATLAB reports the following SDK version mismatch:

MMWAVE SDK version 03.05.00.04 obtained from the TI Radar board does not match the expected MMWAVE SDK version 03.06.00.00.
Ensure that the correct binary with MMWAVE SDK version 03.06.00.00 is flashed to the device.

This indicates that the LRPD binary currently flashed on the device was built using SDK 03.05.00.04, whereas the MATLAB dca1000 interface expects firmware compiled with MMWAVE SDK 03.06.00.00.

Clarifications Required

What is the recommended firmware–SDK–MATLAB compatibility combination for capturing raw ADC data using DCA1000EVM while running the LRPD demo?
I currently have only MMWAVE SDK 03.06.00.00 installed. Is an LRPD binary compiled specifically for SDK 03.06.00.00 available?

The objective is to reliably capture raw ADC data via DCA1000EVM while running the LRPD firmware on the IWR6843ISK and process the data in MATLAB without version conflicts.

Kindly advise on the correct approach and provide guidance on obtaining raw data from DCA1000EVM using LRPD configuration using matlab

5 months ago

0 Nathan Block 5 months ago

TI__Mastermind 38575 points

Hi,

Mathworks supports the DCA1000 MATLAB interface. We cannot help with this.

In general - you cannot run the DCA1000 with demo code flashed to the device. If you want to see the TI tooling for the DCA1000 setup, see this page here.

http://dev.ti.com/tirex/local?id=dca1000_mmwave_studio_user_guide&packageId=radar_toolbox

Best,

Nate

0 V L V Vardhan 5 months ago in reply to Nathan Block

Prodigy 160 points

Hi,

Thank you for the clarification.

In our earlier experiments, the Long Range People Detection (LRPD) demo with the 50 m 2D configuration and the 100 m configuration worked well for our application scenario. We would like to keep the same radar configuration parameters (profile, chirp, and frame settings) while capturing raw ADC IQ data using the DCA1000EVM

Since it was mentioned that DCA1000 cannot be used with the demo firmware directly, could you please suggest a recommended workflow to achieve the following:

• Use the same LRPD radar configuration parameters
• Capture raw ADC data through DCA1000EVM
• Process the captured data offline using our own processing pipeline

Apart from mmWave Studio, are there any TI-supported approaches

Any guidance on the recommended approach to reuse LRPD configuration parameters while capturing raw ADC data with DCA1000EVM would be very helpful.

0 Nathan Block 5 months ago in reply to V L V Vardhan

TI__Mastermind 38575 points

Hi,

mmWave studio is the TI-supported approach for what you're describing.

You may also see this scripting tutorial.

http://dev.ti.com/tirex/local?id=mmWaveStudio_lua_examples&packageId=radar_toolbox