Hi I’m using a STM32H723ZG on a Nucleo-H723ZG board. I’m able to compile, and debug but the programs crashes into the HardFault_handle when executing the clib_init_array library function, called from the ARM initialization code. The instruction that causes the crash is below with a → mark. 0x080…

[image] maxgerhardt: entire different issue, e.g., the previous push instructions hardfaulted the processor because the stack was not setup correctly (e.g., initial SP beyond the bounds of RAM). That was e.g. a bug in a recent platform version in combination with a wrong “RAM size” value in the …

PlatformIO Community

ARM versus Thumb

maxgerhardt September 21, 2021, 11:01pm 11

This issue is now tracked in Nucleo-H723ZG board crashes on startup because of incorrect RAM size · Issue #563 · platformio/platform-ststm32 · GitHub so that it may be solved at the root.

Creating custom board for STM32F429ZGT6