STM32WB55RG Error in initializing ST-LINK device. Reason: No device found on target

[LZure]

I have two P-Nucleo-WB boards and both of them end up in this state.

CubeIDE trying to load binary:

CubeProgrammer:

 

Found several topic that looks the same however nothing helped. Has anyone solved this problem?

[LZure]

This is how my Linux recognize device:

Jumpers are set up as you described. I can't connect by DFU:

 

[Remy ISSALYS]

Hello,

In order to connect the board using USB DFU mode, you must have the following configuration:

• BOOT0 pin HIGH: connect CN7 pin 5 to CN7 pin 7
• JP1 ([5-6] on USB MCU).
• JP2 is ON
• JP3 is ON
• Use USB_USER connector

The following configuration is used to connect the board using ST LINK:

• JP1 ([7-8] on USB STL).
• JP2 is ON
• JP3 is ON 
• Use ST-LINK connector

Best Regards

[LZure]

Hi Remy,

I was able to connect with USB DFU mode however I don't know how to recover option bytes. Could you please tell me how to do that?

Best regards

[Remy ISSALYS]

Hello,

Can you try to connect your board to STM32CubeProgrammer using ST LINK by following these steps ?

• STM32CubeProgrammer configuration: Mode => Normal, Reset mode => Software reset
• Maintain reset button on the board pressed
• Click on connect
• Release reset button pressed

Best Regards

[rolla]

make sure your power supply is good then you should try. i think your problem is form power supplier or low voltage system.

[KiptonM]

Are you using an unpowered hub to connect to the board to?

I plug mine directly into the computer.

I have also had luck with a powered USB 3.1 Hub. The powered hub has its own power supply and does not pull power from the PC. Mine is an Inland 7 port hub with a 2000 mA power supply. It has no model number on the case.

I got it from Microcenter here is a link:

Inland 7 Port USB 3.1 Gen 1 Hub - Black - Micro Center

[rolla]

Hi Remy,

Don't worry about it, you're fine. The last time I bricked something was about four years ago. When I first used this product, I thought that my cell phone would blow up. Can it be recovered?

Best regards

[LZure]

Hi All,

Thanks for all your replies. I have tested voltages with few chargers and still got this same result.Tested both ports: USB MCU and ST-LINK (jumpers in correct settings). I am not using any USB hub. I used to plug it directly to laptop - laptop voltage is ok (5V).

@Remy ISSALYS​ 

Tried to connect they way you said but it still fails: Error: No STM32 target found!