Printf

[venkateswarlu]

How to use parallel two UARTs in STM32F746ZG: one for data transfer, the other for serial print

[Pavel A.]

On STM32 MCUs, UARTs are fully independent. Just configure the UARTs (with their DMA channels if needed) and use them as you want.

If you'd like help with coding or hardware setup, look here.

How to redirect the printf function to a UART for ... - STMicroelectronics Community