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

void task(void *pt){

  LEDFLASH * ptLedFlash = (LEDFLASH *)pt;

  pinMode(ptLedFlash->pin, OUTPUT);
  while(1){
    digitalWrite(ptLedFlash->pin,!digitalRead(ptLedFlash->pin));
    vTaskDelay(ptLedFlash->DelayTime);//1000tick
  }
}

void setup() {
  LEDFLASH ledFlash1={21,1000};
  LEDFLASH ledFlash2={23,3000};
  xTaskCreate(task,"Blink 23",1024,(void *)&ledFlash1,1,NULL);
  xTaskCreate(task,"Blink 21",1024,(void *)&ledFlash2,1,NULL);
  Serial.begin(115200);
  Serial.println(portTICK_PERIOD_MS);//一个tick的时间
}

void loop() {
  
}