#include <stdbool.h>
#include <stdint.h>
#include <stdio.h>
#include <string.h>
#include "main.h"
#include "usart.h"

void user_main()
{
  uint8_t c = 'o';

  while (1)
  {
    HAL_UART_Transmit(&huart1, &c, 1, 100);
    HAL_Delay(100);
  }
}