// Binary 24hr-Clock
// Coded by Marcelo Borges
//

#include <RTClib.h>

RTC_DS1307 _rtc;

#define HOUR_PIN_1 31
#define HOUR_PIN_2 29
#define HOUR_PIN_4 27
#define HOUR_PIN_8 25
#define HOUR_PIN_16 23

#define MINUTE_PIN_1 43
#define MINUTE_PIN_2 41
#define MINUTE_PIN_4 39
#define MINUTE_PIN_8 37
#define MINUTE_PIN_16 35
#define MINUTE_PIN_32 33

#define SECOND_PIN_1 44
#define SECOND_PIN_2 46
#define SECOND_PIN_4 48
#define SECOND_PIN_8 49
#define SECOND_PIN_16 47
#define SECOND_PIN_32 45


void setup() {
  _rtc.begin();

  pinMode(HOUR_PIN_1, OUTPUT);
  pinMode(HOUR_PIN_2, OUTPUT);
  pinMode(HOUR_PIN_4, OUTPUT);
  pinMode(HOUR_PIN_8, OUTPUT);
  pinMode(HOUR_PIN_16, OUTPUT);

  pinMode(MINUTE_PIN_1, OUTPUT);
  pinMode(MINUTE_PIN_2, OUTPUT);
  pinMode(MINUTE_PIN_4, OUTPUT);
  pinMode(MINUTE_PIN_8, OUTPUT);
  pinMode(MINUTE_PIN_16, OUTPUT);
  pinMode(MINUTE_PIN_32, OUTPUT);

  pinMode(SECOND_PIN_1, OUTPUT);
  pinMode(SECOND_PIN_2, OUTPUT);
  pinMode(SECOND_PIN_4, OUTPUT);
  pinMode(SECOND_PIN_8, OUTPUT);
  pinMode(SECOND_PIN_16, OUTPUT);
  pinMode(SECOND_PIN_32, OUTPUT);
}

void loop() {
  DateTime now = _rtc.now();
  int second = now.second();
  int minute = now.minute();
  int hour = now.hour();

  //Seconds
  digitalWrite(SECOND_PIN_1, (second & 1) == 1 ? HIGH : LOW);
  digitalWrite(SECOND_PIN_2, (second & 2) == 2 ? HIGH : LOW);
  digitalWrite(SECOND_PIN_4, (second & 4) == 4 ? HIGH : LOW);
  digitalWrite(SECOND_PIN_8, (second & 8) == 8 ? HIGH : LOW);
  digitalWrite(SECOND_PIN_16, (second & 16) == 16 ? HIGH : LOW);
  digitalWrite(SECOND_PIN_32, (second & 32) == 32 ? HIGH : LOW);

  //Minutes
  digitalWrite(MINUTE_PIN_1, (minute & 1) == 1 ? HIGH : LOW);
  digitalWrite(MINUTE_PIN_2, (minute & 2) == 2 ? HIGH : LOW);
  digitalWrite(MINUTE_PIN_4, (minute & 4) == 4 ? HIGH : LOW);
  digitalWrite(MINUTE_PIN_8, (minute & 8) == 8 ? HIGH : LOW);
  digitalWrite(MINUTE_PIN_16, (minute & 16) == 16 ? HIGH : LOW);
  digitalWrite(MINUTE_PIN_32, (minute & 32) == 32 ? HIGH : LOW);

  //Hours
  digitalWrite(HOUR_PIN_1, (hour & 1) == 1 ? HIGH : LOW);
  digitalWrite(HOUR_PIN_2, (hour & 2) == 2 ? HIGH : LOW);
  digitalWrite(HOUR_PIN_4, (hour & 4) == 4 ? HIGH : LOW);
  digitalWrite(HOUR_PIN_8, (hour & 8) == 8 ? HIGH : LOW);
  digitalWrite(HOUR_PIN_16, (hour & 16) == 16 ? HIGH : LOW);

  delay(1000);
}