F_CPU for STM32F4
Posted: Tue Oct 12, 2021 12:53 pm
Hi,
I use the Arduino IDE for the Blackpill board. In file "boards.txt" there is no entry for CPU clock frequency. F_CPU is therefore not defined.
How to change this?
Regards Ulrich
I use the Arduino IDE for the Blackpill board. In file "boards.txt" there is no entry for CPU clock frequency. F_CPU is therefore not defined.
How to change this?
Regards Ulrich