 
   // initialize button
   pinMode(pinButton, INPUT_PULLUP);
+
+  traceSetLevel(TRACE_DEBUG_LEVEL_INFO);
+  Serial.begin(115200);
+  Serial.write("hello world!\r\n");
+
 }
 
 /*

  // put your main code here, to run repeatedly:
  int buttonValue;

  buttonValue = digitalRead(pinButton);
  if (buttonValue == LOW) {
    flashLED();

  delay(500);
}

void SerialReadInput()
{
  int len = Serial.available();
  char value = 0;
  
  while(len-- > 0) {
      value = (char)Serial.read();
      Serial.print(value);
  }
}

/*
 * main loop function
 */
