//======================================================
// COMMUNICATION PORTS FUNCTIONS
//======================================================
// TERMINAL WINDOW - NATIVE USB
//------------------------------------------------------
  void terminal(String msg) 
  {
    msg += "\n";
    Terminal.print(msg);
  }
//------------------------------------------------------
// BLUETOOTH WINDOW - NATIVE
//------------------------------------------------------
  void bluetooth(String msg) 
  {
    msg += "\n";
    Bluetooth.print(msg);
  }
//------------------------------------------------------
// BLUETOOTH CONNECTION STATUS
//------------------------------------------------------
  void callback(esp_spp_cb_event_t event, esp_spp_cb_param_t *param)
  {
    if(event == ESP_SPP_SRV_OPEN_EVT) {
      BLUETOOTH_STATUS = true;
      terminal(BLUETOOTH_CONNECTED);
    }
    if(event == ESP_SPP_CLOSE_EVT ) {
      BLUETOOTH_STATUS = false;
      terminal(BLUETOOTH_DISCONNECTED);
    }
  }
//------------------------------------------------------
// TERMINAL & BLUETOOTH WINDOW - NATIVE
//------------------------------------------------------
  void dualcomm(String msg) 
  {
    terminal(msg);
    bluetooth(msg);
  }