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IWR6843AOP: [ERROR] Cortex_R4_0: Not able to connect to serial port. Recheck COM port selected and/or permissions.

dimitri sigg
Prodigy 40 points
Part Number: IWR6843AOP
Other Parts Discussed in Thread: UNIFLASH

Hello,
I would like to flash the basic software on my radar IWR6843AOPEVM.
For that I followed this tutorial: Flash the EVM using UniFlash
To take again step by step,
I have well a "Standard COM Port":

Then I open UniFlash and I select my radar:



I select my image from "C:\ti\mmwave_sdk_03_06_00_00-LTS\firmware\radarss" and I am ready:



On the radar I respected this line of the documentation:

so this:

With the S3 to ON because I want to flash.
Before launching I do not forget to press the button reset of the radar.
Then this window opens:

But the bar does not advance and after 10-15 seconds this error appears:

I can't use the demo either. The connection is not done.


If you have an idea, I am willing to help.


Thanks in advance,


Dimitri Sigg

  • +1
    TI__Genius 12741 points

    Hi Dimitri,

    Please note that the "Enhanced COM Port", COM5 in your case, should be used for flashing. The "Standard COM Port" is used for data output from the device.

    Additionally, xwr6xxx_radarss_rprc.bin is NOT the out of box binary. That is a firmware patch for the RadarSS that is typically built into the binaries that are flashed onto the device. The out of box demo binary is located at <mmWave SDK Location>\packages\ti\demo\xwr68xx\mmw\xwr68xx_mmw_demo.bin

    If you have not done so already, I would highly recommend you take a look at the Out Of Box Demo User's Guide in the mmWave Industrial Toolbox. This guide can be found on TI Resource Explorer under:

    mmWave Sensors->Industrial Toolbox->Labs->Out of Box Demo->Out of Box Demo User Guide

    Best Regards,

    Josh

  • 0 in reply to Josh Dye
    Prodigy 40 points

    Hi Josh,

    Thank you very much, I had indeed the wrong COM port.

    Regarding the .bin I went to look for "\ti\mmwave_sdk_03_05_00_04\packages\ti\demo\xwr64xx\mmw" to take the file "xwr64xxAOP_mmw_demo.bin" because my sensor is IWR6843AOPEVM.
    Thank you again and sorry for my beginner level.

    Best regards,

    Dimitri