Arduino for STM32

Yes I do use a custom variant but it was not a supported board so I used the Nucleo H743 as base for the variant since it was the same chip.

I still have some clock issues but the main one is fixed. The peripheral clocks are still wrong like for canbus but I think I can solve them.

That was not the problem but it was in the right way
This piece of code was the culprit
// HSE default value is 25MHz in HAL
// HSE_BYPASS is 8MHz
#ifndef HSE_BYPASS_NOT_USED
#define HSE_VALUE 8000000
#endif


HSE_BYPASS_NOT_USED is not defined and HSE_VALUE must be 25000000 since the crystal on ...

It didn't work. Still a 3.2 ms pulse. Serial is also to fast. I use it at 115200 baud but the monitor needs to be at 368640. F_CPU also raports a wrong value of 153600000

After updating to the latest git version I still got the issue.
The board that I use is a MCUDev DevEBox STM32H7XX_M board with the H743
This is the SystemClock_Config code that I use.

void SystemClock_Config(void)
{
RCC_OscInitTypeDef RCC_OscInitStruct = { 0 };
RCC_ClkInitTypeDef RCC ...

Hello,

I am trying to create the variant STM32H743VITx but I am stumbling on a really weird issue.
The clock is setup to be 480 Mhz and when I toggle a LED with a delay of 10ms in STM32CubeIDE it really shows 10 ms.
When I try the same in Arduino it is 3.2 ms.
I copied the SystemClock_Config from ...