p_lusterinc_camera_focallength_encoder_subboard/usersrc/usermain.c

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

int fputc(int ch, FILE *stream)
{
  uint8_t c = ch;
  HAL_UART_Transmit(&huart1, &c, 1, 100);
  return ch;
}

void user_main()
{

  while (1)
  {
    printf("ok\r\n");
  }
}