#define inputPort 2

int portOutputs[] = {
  7,
  8,
  9,
  10,
  11,
  12,
  13,
};

int lights[] = {
  //_abcdefg
  0b01111110, // 0
  0b00110000, // 1
  0b01101101, // 2
  0b01111001, // 3
  0b00110011, // 4
  0b01011011, // 5
  0b01011111, // 6
  0b01110000, // 7
  0b01111111, // 8
  0b01111011  // 9
};


void setup() {
  Serial.begin(115200);
  pinMode(inputPort, INPUT);

  for(int i = 0; i < 7; i++) {
    pinMode(portOutputs[i], OUTPUT);
  }
}

int counter = 0;
bool lastInputValue = LOW;

void loop() {
  bool inputValue = digitalRead(inputPort);

  if(inputValue == HIGH && lastInputValue == LOW) {
    counter = (counter < 9) ? counter + 1 : 0;
  }

  lastInputValue = inputValue;

  int lightsStates = lights[counter];

  for(int i = 0; i < 7; i++) {
    int targetPort = portOutputs[i];
    int state = (lightsStates >> i) & 1;
    digitalWrite(targetPort, state);
  }

  delay(15);
}