STM32H750XB_Hello/Core/Src/user_printf_impl.c

#include <stdint.h>

#include "stm32h7xx_hal.h"

extern UART_HandleTypeDef huart1;

void _putchar(char character) {
    //HAL_UART_Transmit(&huart1, (uint8_t *)&character, 0x01, 1000);
}