Arduino for STM32

I guess you tried with the STM32 core while before you used Roger's core.

All libs are here:
https://github.com/rogerclarkmelbourne/Arduino_STM32/tree/master/STM32F1/libraries

So you have to use this core:
https://github.com/rogerclarkmelbourne/Arduino_STM32

not this one (STM32 core):
https ...

Hi.

lately I formatted my whole PC's Hard disc... after installing windows (8.1) and arduino ide (1.8.12 with stm32 boards package) I tried to compile one of my old sketch including "RTClock.h", "Adafruit_ILI9341_STM.h" and "Adafruit_GFX_AS.h", but ide couldn't compile them:

RTClock.h: No such ...