NUCLEO-N657X0-Q: failed to start GDB server

[cersoy]

I am trying to start a debugger session to my new NUCLEO-N657X0-Q and getting the following error:

STMicroelectronics ST-LINK GDB server. Version 7.9.0
Copyright (c) 2024, STMicroelectronics. All rights reserved.

Starting server with the following options:
Persistent Mode : Disabled
Logging Level : 1
Listen Port Number : 61234
Status Refresh Delay : 15s
Verbose Mode : Disabled
SWD Debug : Enabled
InitWhile : Enabled

Target unknown error 32

Error in initializing ST-LINK device.
Reason: Unknown. Please check power and cabling to target.

 I am using the latest version of STM32CubeIDE (1.17.0)

The STM32CubeProgrammer (v2.18.0) is also unable to program any binaries on the board.  After changing the Reset Mode to "Hardware reset" I am able to connect to the board, but immediately get the error message: 

15:09:28:207 : UR connection mode is defined with the HWrst reset mode
15:09:28:364 : ST-LINK SN : 002F00453433511830343835
15:09:28:365 : ST-LINK FW : V3J15M7
15:09:28:365 : Board : NUCLEO-N657X0-Q
15:09:28:365 : Voltage : 3.27V
15:09:28:365 : SWD freq : 8000 KHz
15:09:28:365 : Connect mode: Normal
15:09:28:365 : Reset mode : Hardware reset
15:09:28:365 : Device ID : 0x486
15:09:28:365 : Revision ID : Rev A
15:09:28:365 : reset ap 1 
15:09:28:365 : Reading data...
15:09:28:365 : r ap 1 @0x00000000 0x00000004 bytes Data 0x00000018
15:09:28:365 : r ap 1 @0x00000000 0x00000004 bytes Data 0x00000018
15:09:28:365 : Database: Config 0 is active.
15:09:28:461 : UPLOADING ...
15:09:28:461 : Size : 1024 Bytes
15:09:28:461 : Address : 0x8000000
15:09:28:462 : Read progress:
15:09:28:462 : Reading data...
15:09:28:462 : r ap 1 @0x08000000 0x00000400 bytes Data 0x00000018
15:09:28:541 : r ap 1 @0x08000000 0x00000400 bytes Data 0x00000011
15:09:28:541 : Error: Data read failed

 Unfortunately link to user manual UM3417, which is https://www.st.com/resource/en/user_manual/dm01122391.pdf (per STM32 Nucleo-144 boards data brief) is currently unavailable.  

I don't understand what I am doing wrong from the error messages, and can't access the user manual.  I would appreciate if someone can shed light on the issue I am seeing.

[Amel NASRI]

Hi @cersoy ,

Try to perform an STLink upgrade from STM32CubeProgrammer.

Regarding the user manual, it should be this one: Data brief - NUCLEO‑xxxxLx/xxxxXx/xxxxZx(-P/Q).

Where do you find the wrong link? Please let me know to fix it.

-Amel

[cersoy]

Thank you Amel for your prompt response.  On page 6 of the document you pointed out, there is a link to the user manual of this specific board:

link to UM3417 does not work.

I upgraded the STlink from the STprogrammer per your recommendation.  Below are the snippets:

But still no success accessing the board:

Are there any diagnostics I can collect to troubleshoot the problem.  Thanks again for your help.

[Amel NASRI]

What about a full erase of the chip? does it work?

[Amel NASRI]

---

@cersoy wrote:

I am trying to start a debugger session to my new NUCLEO-N657X0-Q and getting the following error:

STMicroelectronics ST-LINK GDB server. Version 7.9.0
Copyright (c) 2024, STMicroelectronics. All rights reserved.

Starting server with the following options:
Persistent Mode : Disabled
Logging Level : 1
Listen Port Number : 61234
Status Refresh Delay : 15s
Verbose Mode : Disabled
SWD Debug : Enabled
InitWhile : Enabled

Target unknown error 32

Error in initializing ST-LINK device.
Reason: Unknown. Please check power and cabling to target.

 I am using the latest version of STM32CubeIDE (1.17.0)

The STM32CubeProgrammer (v2.18.0) is also unable to program any binaries on the board.  After changing the Reset Mode to "Hardware reset" I am able to connect to the board, but immediately get the error message: 

15:09:28:207 : UR connection mode is defined with the HWrst reset mode
15:09:28:364 : ST-LINK SN : 002F00453433511830343835
15:09:28:365 : ST-LINK FW : V3J15M7
15:09:28:365 : Board : NUCLEO-N657X0-Q
15:09:28:365 : Voltage : 3.27V
15:09:28:365 : SWD freq : 8000 KHz
15:09:28:365 : Connect mode: Normal
15:09:28:365 : Reset mode : Hardware reset
15:09:28:365 : Device ID : 0x486
15:09:28:365 : Revision ID : Rev A
15:09:28:365 : reset ap 1 
15:09:28:365 : Reading data...
15:09:28:365 : r ap 1 @0x00000000 0x00000004 bytes Data 0x00000018
15:09:28:365 : r ap 1 @0x00000000 0x00000004 bytes Data 0x00000018
15:09:28:365 : Database: Config 0 is active.
15:09:28:461 : UPLOADING ...
1Unfortunately link to user manual UM3417, which is https://www.st.com/resource/en/user_manual/dm01122391.pdf (per STM32 Nucleo-144 boards data brief) is currently unavailable.  

I don't understand what I am doing wrong from the error messages, and can't access the user manual.  I would appreciate if someone can shed light on the issue I am seeing.

---

 

[Amel NASRI]

---

@cersoy wrote:

Unfortunately link to user manual UM3417, which is https://www.st.com/resource/en/user_manual/dm01122391.pdf (per STM32 Nucleo-144 boards data brief) is currently unavailable.  

Please note that the UM3417 is currently available.

[RomainR.]

Hello @HANITALY 

I just checked to program the secure signed binaries attached in your Template_FSBL_LRUN.zip

• Template_FSBL_LRUN\STM32CubeIDE\Boot\Debug\Template_LRUN_FSBL-trusted.bin @0x7000 0000
• Template_FSBL_LRUN\STM32CubeIDE\AppS\Debug\Template_LRUN_AppS-trusted.bin @0x7010 0000

I used STM32CubeProgrammer 2.19.0 and program  at the address indicated previously here.

On my NUCLEO-N657X0-Q, I confirm the Green Led blinking. No issue on my side.

Could you send a picture of your board and showing all black jumper settings?

Best Regards,

Romain, 

 

 

 

[RomainR.]

@HANITALY 

Before trying again on your side, could you check the sequence below:

1. Set STM32N6 in DEV_BOOT using JP2.
2. Erase the external serial flash using the STM32_Programmer_CLI.exe. 
   Make sure STM32CubeProgrammer is in your PATH environment variables and accessible in cmd terminal.
   Open a cmd and run the following command (Windows OS)
   STM32_Programmer_CLI.exe -c port=SWD ap=1 -el C:\Program Files\STMicroelectronics\STM32Cube\STM32CubeProgrammer\bin\ExternalLoader\MX25UM51245G_STM32N6570-NUCLEO.stldr -e [0 20] 
3. Try to program again FSBL and AppS trusted binaries.
4. Check in Flash Boot

Best regards,

Romain,

 

 

[HANITALY]

@RomainR.  

 

Thank you very much for your response!

Yes, I tried again under your instructions, but it ended up with the same result.

I would like to share with you what I did step by step.

 

1. Picture 'Board 1' is the condition before the ST-link connection under DV_Model.
2. After the ST-Link connection. The LD9 light(right top) blinks between green and red after ST-Link connection.
3. From the Picture 'APPLI and FSBL Programme', you can see that I have successfully programmed them into the corresponding addresses. Meanwhile, the LD2 turned off from the red light after the programming.
4. In the end, I set the Boot1(JP2) back to 0, after pressing reset button and repower , the board still looks like Picture ' Board 3', without LED blinking.
5. From the Picture 'Result' ,  I am still not able to connect with the Board under Flash Boot.

 

Since you have confirmed it worked on board, I assume I might have done something wrong that I did not notice.

 

Thank you for your time and commitment！

Best Regards

Han

 

 

 

 

 

 

[Jerem]

I guess I did, indeed. Sorry for the inconvenience

Regards
Jerem

[R.uy]

Hello,

I am having a similar issue when trying to load my binary in the external flash. After I change the jumper to boot from flash it does not work. I checked the OTP values and got the following:

OTP11 = 0x00000000

OTP124 = 0x00000000

I am using the Nucleo N657X0-Q

Whats the state of this fuses when the nucleo is shipped?

For OTP124 I am a bit confused whether it should be 0x00018000 or 0x00008000

Bit 15(VDDIO3)

Bit 16(VDDIO2)

The VDDIO3 is the one that supplies the Octospi Ios and it is already wired to 1.8 V in the Nucleo board, is the OTP configuration mandatory to be able to write the external flash?