IWR6843ISK: UniFlash stuck at trying to connect to COM port while flashing bin file to EVM board

Bing Chen1

Part Number: IWR6843ISK
Other Parts Discussed in Thread: UNIFLASH

Hi there,

I followed the instructions in the User Guide in the ODS Point Cloud Demo (lab0025) to load the pre-built binary file onto the kit. For some reason it is stuck on connecting to COM port.

I have tried the latest Uniflash (local and cloud) as well as power cycling the board (unplugging power and press SW2). The jumper on SOP0 and SOP2 are both in place for flash mode.

This is not a problem with COM ports since I was able to run the GUI visualizer demo just fine. I am not sure why the flasher resets connection to device and sets break signal (console message). If I press SW2 then the flash throws an error of not finding COM port.

Any help appreciated...

over 6 years ago

0 Akash Gondalia over 6 years ago

TI__Guru 50240 points

Hi Bing,

Would you be able to post a picture of your powered board when this error occurs?

Cheers,

Akash

0 Bing Chen1 over 6 years ago in reply to Akash Gondalia

Intellectual 290 points

Hi Akash,

Thanks for the quick response. Here is the powered board when I tried to flash the pre-built binary.

Bing

0 CHETHAN KUMAR Y.B. over 6 years ago in reply to Bing Chen1

TI__Mastermind 25835 points

Hello,

Could you please comment on the bluewires connected on the board.

Where it's connected and what is it's purpose?

Is there any board modifications/Jumper/switch settings changed?

Thanks and regards,

CHETHAN KUMAR Y.B.

0 Bing Chen1 over 6 years ago in reply to CHETHAN KUMAR Y.B.

Intellectual 290 points

Hi Chethan,

There were no significant modifications on the Boost board or the mmWave board.The extra wires were used for connecting UART/SPI from the Boost board but they were not connected when flashing pre-built binary.

We are now focusing on data analysis so I won't be flashing new binary at the moment.

Will reopen ticket if the issue persists.

Thanks,
Bing

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IWR6843ISK: UniFlash stuck at trying to connect to COM port while flashing bin file to EVM board