message: Serial1 has type HardwareSerial
diff: // includes
  +#include <HardwareSerial.h>
  #include <SoftwareSerial.h>
  #include <ODriveArduino.h>
  // Printing with stream operator helper functions
  @@ -19,13 +20,13 @@ template<> inline Print& operator <<(Print &obj, float arg) { obj.print(a
  // pin 0: RX - connect to ODrive TX
  // pin 1: TX - connect to ODrive RX
  // See https://www.pjrc.com/teensy/td_uart.html for other options on Teensy
  -Stream& odrive_serial = Serial1;
  +HardwareSerial& odrive_serial = Serial1;
  // Arduino Mega or Due - Serial1
  // pin 19: RX - connect to ODrive TX
  // pin 18: TX - connect to ODrive RX
  // See https://www.arduino.cc/reference/en/language/functions/communication/serial/ for other options
  -// Stream& odrive_serial = Serial1;
  +// HardwareSerial& odrive_serial = Serial1;
  // Arduino without spare serial ports (such as Arduino UNO) have to use software serial.
  // Note that this is implemented poorly and can lead to wrong data sent or read.
  