I'm having trouble connecting my STM32 H743ZI-Q device to STM32CubeIDE.

[sandeep_11]

I'm having trouble connecting my STM32 H743ZI-Q device to STM32CubeIDE. I've tried various troubleshooting steps, but the IDE still doesn't recognize the device. Has anyone experienced this issue and found a solution? Any guidance would be appreciated!

[Andrew Neil]

Welcome to the forum.

Please provide some more context and details of the device, the issue, and the troubleshooting you've tried, etc - see: How to write your question to maximize your chances to find a solution.

Have you seen:

How to solve connection errors when connecting and programming the STM32 target board;

How to solve debugger connection issues

[Tesla DeLorean]

Check exact pinout, the Q / SMPS devices tend to be different too the LDO variants and not drop in replacements / substitutes

[ManishNair · Accepted solution]

Yes!  Pulling up Boot0 pin during power on, Solved such situations! Sometimes option bytes "BB" and 'CC' triggerred such situations in IDE, but cube programmer can solve it

[sandeep_11]

It seems the culprit is libusb. After reading similar posts, I decided to try the latest libusb.

I went out and downloaded the latest libusb 1.0.24 from /libusb-1.0/libusb-1.0.24/libusb-1.0.24.7z and copied the libusb-1.0.dll from the MinGW32\dll folder into the st-link-server folder "C:\Program Files (x86)\STMicroelectronics\stlink_server", kill the stlinkserver.exe process in task manager, and that did the trick!

Now my STM32CubeIDE 1.6.1 can see the debug probes using either the ST-LINK (ST-LINK GDB server) or ST-LINK(OpenOCD) probe options.

Laurent thank you for your pointing me in the right direction to find a solution.
now it is working st-link detected