#define up 22
#define down 23
int buttonstate = 0, laststate = 0;
unsigned long lastdebounce = 0, debounce_delay = 50;
int counter = 0;
void setup() {
  Serial.begin(115200);
  for (int i = 12; i <= 18; i++) {
    pinMode(i, OUTPUT);
  }
  pinMode(up, INPUT_PULLUP);
  pinMode(down, INPUT_PULLUP);
}
byte bitdigit[10] = {
  11000000,//0
  10011001,//1
  11000100,//2
  10110000,//3
  10111001,//4
  10101010,//5
  10011010,//6
  11111000,//7
  10000000,//8
  10010000 //9
};
void loop() {
  int reading = digitalRead(up);
  if (millis() - lastdebounce > debounce_delay) {
    if (reading != buttonstate) {
      buttonstate = reading;
    }
    if (buttonstate == HIGH) {
      counter++;
    }
  }
  Serial.println(counter);
  laststate = buttonstate;

  //Number ------------
  // for (int j = 0; j <= 9; j++) {
  //   for (int i = 12; i <= 18; i++) {
  //     digitalWrite(i, bitRead(bitdigit[j], i - 12));
  //   }
  //   delay(1000);
  // }
}