Arduino for STM32

I knew about core . Ioc where I can Manage pins,
Its needed if I do it via cube ide or keil

I take already built. bin

And if look where all project did on stm32duino... That means that we re not needed ioc, only bootloader pc13 and scetch if we do it in arduino ide

Can anyone try? Pls

Hi everyone need help.

I take already built bin from github https://github.com/cbm80amiga/ST7735_SDinfo_stm
Connect ST7735 lcd display
But I have only white screen and nothing else.

If I take already built bin from another project https://github.com/cbm80amiga/ST7735_SDMediaPlayer with simillar ...