byte LED1_PIN = 23;
byte LED2_PIN = 21;

typedef struct{
  byte pin;
  int delayTime;
}LEDFLASH;

void flashLed(void *pt)
{
  LEDFLASH led = *((LEDFLASH*)pt);
  Serial.printf("pin %d, delay: %d\n", led.pin, led.delayTime);

  pinMode(led.pin, OUTPUT);
  while(true)
  {
    digitalWrite(led.pin, !digitalRead(led.pin));
    Serial.printf("pin %d, delay: %d\n", led.pin, led.delayTime);
    vTaskDelay(pdMS_TO_TICKS(led.delayTime));
  }
}

LEDFLASH led1, led2;

void setup() {
  Serial.begin(115200);
  led1.pin = 23;
  led1.delayTime = 1000;
  led2.pin = 21;
  led2.delayTime = 3000;

  // put your setup code here, to run once:
  if(pdPASS == xTaskCreate(flashLed, "Blink 23", 2*1024, (void*)(&led1), 1 ,NULL))
  {
    Serial.println("Taks 1 Created");
  }
  
  if(pdPASS == xTaskCreate(flashLed, "Blink 21", 2*1024, (void*)(&led2), 1 ,NULL))
  {
    Serial.println("Taks 2 Created");
  }
}

void loop() {
  // put your main code here, to run repeatedly:
  
}