Error in initializing ST-Link Device

stm32 gdbserver swd
Leonard1995 picture Leonard1995 · Jun 29, 2016 · Viewed 40.3k times · Source

I am currently using the ST-Link debugger to program my STM32F3 Discovery Board. The IDE that I am using is Atollic TrueStudio 5.5.2 but now I am facing a very weird problem which is I keep on getting the message " Error in initializing ST-Link Device. Reason : (-1) Failed to connect to device . Please check power and cabling to target." whenever I want to download the program into my STM32. I had tried some solutions that I found from internet but the problem still exists. Anyone had faced this problems before? Any suggestions will help. Thank you. enter image description here

Here is the solution I found but can't work for me. http://www.kerrywong.com/2012/08/02/the-dreaded-cannot-connect-to-st-link-error-message/

Answer

IsaBostan picture IsaBostan · Jul 16, 2019

I had same situation on Ubuntu. I solved this, using STM32CubeProgrammer.

On the ST-LINK configuration area:

  1. Serial number -> refresh to get your stlink serial
  2. Mode: Under reset
  3. Reset mode: Core reset

try to connect asap when power your board. When you connect you can do "full chip erease". It suppose to be ready for next usage. I hope it helps

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