//uint32_t last_toggle = 1000;
#define STATUS_LED_ONE 4
#define STATUS_LED_TWO 5

// This is an array the last time a pin was toggled
// 0x0 - pin 0 delay
// 0x1 - pin 1 delay
int32_t last_toggle_array[14];

void setup() {
  // put your setup code here, to run once:
  pinMode(LED_BUILTIN, OUTPUT);
  pinMode(STATUS_LED_ONE, OUTPUT);
  pinMode(STATUS_LED_TWO, OUTPUT);

  last_toggle_array[STATUS_LED_ONE] = 200;
  last_toggle_array[STATUS_LED_TWO] = 300;
}

void non_blocking_blink(uint8_t pin)
{
  int32_t now = millis();
  // fill in the code here to blink based on the current time
  // and the last time since the previous blink. 
  // Hint: Use the last_toggle_array
  if(now - last_toggle_array[pin] > 500  )
  {
    if(digitalRead(pin) == LOW )
      digitalWrite(pin, HIGH);
    else
      digitalWrite(pin, LOW);
      last_toggle_array[pin] = now;
  }
}
void loop() {
  // put your main code here, to run repeatedly:
  non_blocking_blink(STATUS_LED_ONE);
  non_blocking_blink(STATUS_LED_TWO);
  non_blocking_blink(LED_BUILTIN);
}