2025-10-16 6:08 PM
IAR/EWARM can connect to my STM32WL55 nucleo board. However, I get a complaint about a hardware fault during loading. It also claimed that the STLINK firmware was old, so I decided to update that.
STM32CubeProgrammer would not initially start, so following directions based on the theory that the JRT was messed up, I reinstalled.
So, cube programmer now starts, but it says not connected. There is a downward pointing arrow that I can press on without any obvious effect other than a focus box.
Has anyone experienced something similar -- and of course how did you fix it?
2025-10-17 4:53 AM
Please show a screenshot of CubeProgrammer - including the full log - when this happens.
Can you still connect using IAR?
See also:
How to solve connection errors when connecting and programming the STM32 target board.
How to solve debugger connection issues