static unsigned long lastCountMillis = 0; // Holds the counter start millis

void setup() {
  // put your setup code here, to run once:
  Serial.begin(115200);
  Serial.println("Hello, ESP32!");
}


void printTime()
{
    Serial.println("+-- printTime()");
    struct timeval current_time;
    gettimeofday(&current_time, NULL);
    lastCountMillis = millis();
    int seconds = current_time.tv_sec;
    Serial.printf("--- Seconds : %ld\n--- micro seconds : %ld\n--- Millis: %lu\n", seconds, current_time.tv_usec, lastCountMillis);
    int hours = seconds / 3600;
    int minutes = (seconds / 60) % 60;
    int actual_seconds = seconds % 60;
    unsigned long actual_ms = current_time.tv_usec / 1000;
    Serial.printf("--- Time Alive[H:M:S:ms]: %02d:%02d:%02d:%u\n", hours, minutes, actual_seconds, actual_ms);
    Serial.println("");
}

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

  delay(1000); // this speeds up the simulation
}