TaskHandle_t cpHandle = NULL;
hw_timer_t *timer1 = NULL;

void IRAM_ATTR TimercallBack()
{
 timerStop(timer1);
  Serial.print("Time is UP！");
  Serial.print("  Timer State?: ");
  Serial.println(timerStarted(timer1));
}
void timer_init()
{
  timer1 = timerBegin(0, 40000, true); // Resolution 0.5ms
  timerAttachInterrupt(timer1, TimercallBack, true);
  timerAlarmWrite(timer1, 8 * 2000, true);
  timerAlarmEnable(timer1);
 timerStop(timer1);
  // timerAlarmEnable(timer1);
}



void cp_task(void *ptr)
{
  timer_init();
 

  while (1)
  {
    if ( !timerStarted(timer1))
    {
    //  timer_init();
    timerStart(timer1);
      Serial.println("Time Start/Restart!");
    }


    Serial.print(xTaskGetTickCount());
    Serial.print("  Timer State?: ");
    Serial.println(timerStarted(timer1));
    vTaskDelay(1000);

  }
}

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  xTaskCreate(cp_task, "CP_task", 1024 * 3, NULL, 1, &cpHandle);
  // Serial.println("Hello, ESP32!");
  vTaskDelete(NULL);
}

void loop() {

}