You might check this one, viewtopic.php?f=9&t=97

You might check this one, viewtopic.php?f=9&t=99

What is the M4 firmware you are running?
Maybe try qf_helloworldsw project first.

Try connect directly to a PC, not through USB hub.
Or change another USB cable to try.

I believe this is the similar issue like viewtopic.php?f=19&t=84&p=359&hilit=eclipse#p359

the file is under \qorc-sdk\qf_apps\qf_ssi_ai_app\knowledgepack\sensiml\model_json.h

Simple Streaming capture mode requires the use of the UART pins on the QuickFeather, so you need a USB to TTL serial adapter to connect to QF.
There is some detail in below link.
https://www.hackster.io/gatoninja236/ge ... iml-9881a3

Most folders are under qorc-sdk\
BSP\
HAL\
Libraries\
Tasks\

If you are talking about qf_hardwaresetup.c normally it is in qorc-sdk\BSP\quickfeather\src\.
But some project might have it own, for example, like qorc-sdk\qf_apps\qf_ssi_ai_app\src\qf_hardwaresetup.c

I think it is mentioned in item 4 as copied below. 4. Add files and folder to the Eclipse Virtual filesystem Drag and drop the folder QL-EOSS3-SW/BSP to the newly created project On the "File and Folder Operation" dialog box, choose - Link to files and recreate folder structure with virtua...