#ifndef UTILS_H
#define UTILS_H
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>

#include <wiringPi.h>

#define SEP printf(" ");
// a is string, b is number
#define DEBUG(a, b)                                                            \
  printf(a);                                                                   \
  SEP;                                                                         \
  printf("%d\n", b);

#define ALINE printf("\n");

#define PRINTF(...)                                                            \
  {                                                                            \
    printf(__VA_ARGS__);                                                       \
    fflush(stdout);                                                            \
  }

void delayus(unsigned int _us);

uint8_t invert_bit(uint8_t a);

uint8_t bits_number(uint8_t n);

#endif