ESP32-S2 ->kein wakeup in Timer Mode aus LightSleep

    Serial.println("3 >>>>>>>>>>>> Enter light sleep mode for 10 Sec");

    Serial.flush();

    // Here all the code to put con light sleep

    // the problem is that there is a bug on this

    // process

    //wifi_station_disconnect(); //not needed

    WiFi.mode(WIFI_STA);

    uint32_t sleep_time_in_ms = 10000;

    wifi_set_opmode(NULL_MODE);

    wifi_fpm_set_sleep_type(LIGHT_SLEEP_T);

    wifi_fpm_open();

    wifi_fpm_set_wakeup_cb(callback);

    wifi_fpm_do_sleep(sleep_time_in_ms *1000 );

    Serial.println("Delay after sleep mode START");

    delay(sleep_time_in_ms + 1);

    Serial.println("Exit light sleep mode");

    wifi_set_sleep_type(NONE_SLEEP_T);

void callback() {

  Serial.println("4 >>>>>>>>>>>> Callback");

  Serial.flush();

}

#define uS_TO_S_FACTOR 1000000ULL /* Conversion factor for micro seconds to seconds */

#define TIME_TO_SLEEP 5           /* Time ESP32 will go to sleep (in seconds) */

void setup() {

  Serial.begin(115200);

}

void loop() {

  int i;

  i = 0;

  while (i < 100) {

    Serial.println(i);

    delay(100);

    i++;

  }

  Serial.println("schlafen");

  esp_sleep_enable_timer_wakeup(TIME_TO_SLEEP * uS_TO_S_FACTOR);  // wakeup setting

  delay(100);

  esp_light_sleep_start();

  Serial.println("Weiter gehts");

}