How to use printf and scanf using uart for stm32h7 boards

[Aarra.1]

Hello,

I have been using the stm32h757i-eval board for a while. And I want to redirect the printf and scanf functions to the uart. I have referred the forum for the solution but couldn't find any helpful answers . I'm using stm32 cube ide (1.7.0).

Kindly help me to perform the same.

[Javier1]

i guess you already tried this https://shawnhymel.com/1873/how-to-use-printf-on-stm32/

I never used a H7 board , i guess you issues come from having two M4 and M7 cores?

[Aarra.1]

Thank you so much for your response @Javier Muñoz​ 

This article helps alot!

[Michael E]

Hello @Aarra.1​ , you can also try with the STM32 step by step on the wiki.

The Step 3 explain how to print a debug message through UART.