Ввод информации с клавиатуры в ардуино

#include <hidboot.h>
#include <usbhub.h>

// Satisfy the IDE, which needs to see the include statment in the ino too.
#ifdef dobogusinclude
#include <spi4teensy3.h>
#include <SPI.h>
#endif

class KbdRptParser : public KeyboardReportParser
{
  protected:
    void OnKeyDown  (uint8_t mod, uint8_t key);

};

void KbdRptParser::OnKeyDown(uint8_t mod, uint8_t key)
{

  Serial.write(key);

}




USB     Usb;
//USBHub     Hub(&Usb);
HIDBoot<USB_HID_PROTOCOL_KEYBOARD>    HidKeyboard(&Usb);

uint32_t next_time;

KbdRptParser Prs;

void setup()
{
  Serial.begin( 115200 );
#if !defined(__MIPSEL__)
  while (!Serial); // Wait for serial port to connect - used on Leonardo, Teensy and other boards with built-in USB CDC serial connection
#endif


  if (Usb.Init() == -1)
  {
      while(1)
          {
              Serial.write(200); //Выводим в порт код 200, если не удалось инициализировать шилд
              delay(500);
          }
  }
  delay( 200 );

  next_time = millis() + 5000;

  HidKeyboard.SetReportParser(0, &Prs);
}

void loop()
{
  Usb.Task();
}