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

[MarktenKlooster]

 

Hi everyone,

 

I'm having trouble writing my program to my microcontroller, and I'm hoping someone can help.

When I tried to write my program in STM32CUBEIDE, I received the following message:

STMicroelectronics ST-LINK GDB server. Version 7.8.0
Copyright (c) 2024, STMicroelectronics. All rights reserved.

Starting server with the following options:
 Persistent Mode : Disabled
 LogFile Name : C:\Users\markt\STM32CubeIDE\workspace_1.16.1\PCB_Test\Debug\st-link_gdbserver_log.txt
 Logging Level : 31
 Listen Port Number : 61234
 Status Refresh Delay : 15s
 Verbose Mode : Enabled
 SWD Debug : Enabled
 InitWhile : Enabled

COM frequency = 4000 kHz
Target connection mode: Under reset
Target connection failed
COM frequency = 1800 kHz
Target connection mode: Under reset
Target connection failed
COM frequency = 950 kHz
Target connection mode: Under reset
Target connection failed
COM frequency = 480 kHz
Target connection mode: Under reset
Target connection failed
COM frequency = 240 kHz
Target connection mode: Under reset
Target connection failed
COM frequency = 125 kHz
Target connection mode: Under reset
Target connection failed
COM frequency = 100 kHz
Target connection mode: Under reset
Target connection failed
COM frequency = 50 kHz
Target connection mode: Under reset
Target connection failed
COM frequency = 25 kHz
Target connection mode: Under reset
Target connection failed
COM frequency = 5 kHz
Target connection mode: Under reset
Target connection failed
Target no device found

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

 

Additionally, when I tried connecting using STM32CUBEProgrammer, I received this message:

 19:58:54 : UR connection mode is defined with the HWrst reset mode
 19:58:54 : ST-LINK SN : B55B5A1A000000006053F001
 19:58:54 : ST-LINK FW : V2J45S7
 19:58:54 : Board : --
 19:58:54 : Voltage : 3.30V
 19:58:54 : Error: Unable to get core ID
 19:58:54 : Error: No STM32 target found! If your product embeds Debug Authentication, please perform a discovery using Debug Authentication

 

 

I'm using an ST-Link V2 connected to a custom board via SWD. This is my first custom STM32 design, and here is the schematic:

 

I have no idea where the issue might be. Any help would be greatly appreciated!

Thank you in advance for your assistance!

 

 

 

[TDK]

Schematic looks okay.

• Verify part orientation. When text is oriented normally from left to right, pin 1 is on bottom left.
• Verify VCAP voltages. Should be 1.2V.
• Verify other power pins.
• Verify SWD connections.

If you're using a knock-off programmer, note that it might just not work, especially with STM32CubeIDE. Use STM32CubeProgrammer until you can "connect" successfully--it is typically more robust.

[AScha.3]

Hi,

...and if your st-link is a stick (= clone), set connect : software reset (the "stick" has no reset output!)

And try with CubeProgrammer first (more tolerant with clones...).

[MarktenKlooster]

This is the st-link that I am using and how it is wired:

I'm unable to find the setting you mentioned.

Could you please provide more details?

 

[AScha.3]

in Cubeprogrammer:

reset mode -> software

+

in IDE -> debug configuration -> same...

 

[MarktenKlooster]

Hi everyone,

I have managed to fix the issue. There was probably something wrong with the ST-Link debugger. I have used another one, and now it's working!

 

Thank you all for your help!

[Andrew Neil]

---

@MarktenKlooster wrote:

There was probably something wrong with the ST-Link 

---

It was not a genuine ST-Link:

https://community.st.com/t5/stm32-mcus/how-to-recognize-a-genuine-st-link-v2-versus-a-cloned-one/tac-p/703663/highlight/true#M965