#define button 4
uint8_t button_state, button_state_last = 1; 
uint8_t led_state = 0; 
uint8_t count = 0; 
uint64_t time0;
uint16_t ledPin[8] = {16, 17, 5, 18, 19, 21, 22, 23};

uint16_t led_mode[4][9] = {
  {0xff, 0x7f, 0x3f, 0x1f, 0x0f, 0x07, 0x03, 0x01, 0x00},
  {0x00, 0x01, 0x03, 0x07, 0x0f, 0x1f, 0x3f, 0x7f, 0xff},
  {0xff, 0xe7, 0xc3, 0x81, 0x00, 0x00, 0x00, 0x00, 0x00}, 
  {0xff, 0x7e, 0x3c, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00} 
};

void  Check_button();   
void  Counter();       
void  mode_selecting(uint8_t led_state); 

void setup() {
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
  
  for (int i = 0; i < 8; ++i)
    pinMode(ledPin[i], OUTPUT);
    
  pinMode(button, INPUT);
  time0 = millis();
}

void loop() {
  Check_button();   
  Counter();        
  mode_selecting(led_state); 
  delay(10); 
}

void Check_button() {
  button_state = digitalRead(button);
  
  if (button_state == 1 && button_state_last != button_state) {
    led_state = (led_state + 1) % 4; 
    count = 0;                   
    delay(10);            
  }
  
  button_state_last = button_state; 
}

void mode_selecting(uint8_t state) {

  uint16_t current_pattern = led_mode[state][count];
  

  for (int i = 0; i < 8; ++i) {
    if (current_pattern & (1 << i)) {
      digitalWrite(ledPin[i], HIGH); 
    } else {
      digitalWrite(ledPin[i], LOW); 
    }
  }
}

void Counter() {
  if (millis() - time0 > 1000) {
    time0 = millis();
    count = (count + 1) % 9; 
  }
  if(led_state > 1){
    if(count==5)
      count = 0;
  }
}