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Original question:

MMWAVE-STUDIO: mmWave Studio: boot-up error: Unable to load DLL 'RadarLinkDLL.dll'

MMWAVE-STUDIO: Boot-up error: Unable to load DLL 'RadarLinkDLL.dll' (IWR6843ISK)

Max Driessen
Prodigy 10 points
Part Number: MMWAVE-STUDIO
Other Parts Discussed in Thread: IWR6843ISK

Hello,

I'm new to TI hardware and software, so bear with me in case this isn't the most intelligent question. I am trying to use mmWave Studio 2.1.1.0 to connect to an IWR6843ISK module (without MMAVEICBOOST), and I keep encountering the following error when starting mmWave Studio in Windows 10 enterprise 21H2:

[20:25:54] &&&&&&&&&&&&&&&&&&&&
[20:25:54] ***Script FAILED!***
[20:25:54] &&&&&&&&&&&&&&&&&&&&
[20:25:54] Exception message is:
[20:25:54] Unable to load DLL 'RadarLinkDLL.dll': The specified module could not be found. (Exception from HRESULT: 0x8007007E)

I have extensively searched the forum for a solution to this issue, but I have not found out what I'm doing wrong. I have installed the following:

  • 32-bit versions of Matlab Runtime Engine (Version 8.5.1) and Microsoft Visual C++ 2013 Redistributable package
  • The mmWave SDK package,
  • The FTDI drivers
  • mmWave Studio itself

 I have double-checked that the Matlab Runtime Engine and Microsoft Visual C++ Redistributable package are 32-bits, and that RadarLinkDLL.dll is present in C:\ti\mmwave_studio_02_01_01_00\mmWaveStudio\RunTime. 

I have already tried the following in an attempt to fix the issue:

  • Re-installing everything
  • Using various different sources for the FTDI drivers, as well as those that come with mmWave Studio
  • Downloading and installing different Microsoft Visual C++ Redistributable packages
  • Booting up mmWave Studio while the IWR6843ISK is connected and while it is not connected

Does anyone know if I'm missing something, or what it is that I'm doing wrong? 

  • 0
    TI__Mastermind 31680 points

    Hello Max,

    Thankyou for the detailed description. Looks like you have almost tried everything!

    I've usually seen one of this work most of the times. 

    Can you send us a screenshot of your device manager window here? What do you see there when you connect the device? 

    Do you also have a DCA1000 capture card with you? I believe you want to capture raw ADC data since you're using mmWave Studio. It would be good to connect that as well for the first time since that requires the FTDI drivers and hence it ensures correct installation. 

    Regards,

    Ishita

  • 0 in reply to Ishita Kochar
    Prodigy 10 points

    Hello Ishita,

    Thank you for your quick response. This is a screenshot of my device manager window:

    Also, here is a screenshot of the driver tab for the COM port:

    I do not have a DCA1000 capture card, as I am interested in the processed (point cloud) data as opposed to raw data. I am under the impression that mmWave studio should work when I only connect the IWR6843ISK; is this not the case?

    In the meantime, I have been able to run the mmWave demo included in the SDK, so I am certain the connection between the IWR6843ISK and the computer does work properly, if that helps in any way.

    Regards,

    Max

  • +1 in reply to Max Driessen
    TI__Mastermind 31680 points

    Hello Max, 

    This error is corresponding to the fact that the FTDI drivers weren't installed properly, and to install them properly and run mmWave Studio for the first time, you would either need a DCA1000 capture card or mmWave Dev Pack/ICEBoost. 

    But anyhow, mmWave studio will not provide you with the point cloud data. This tool is architected mainly for raw ADC data capture. 

    For processed point cloud data, you would need to run the mmWave SDK demo application which as you mentioned is running properly. 

    Hope this information helps. 

    Regards,

    Ishita