marlin/Marlin/src/HAL/DUE/MarlinSerialUSB.h

/**
 * Marlin 3D Printer Firmware
 * Copyright (c) 2020 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
 *
 * Based on Sprinter and grbl.
 * Copyright (c) 2011 Camiel Gubbels / Erik van der Zalm
 *
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
 *
 */
#pragma once

/**
 * MarlinSerialUSB_Due.h - Hardware Serial over USB (CDC) library for Arduino DUE
 * Copyright (c) 2017 Eduardo José Tagle. All right reserved
 */

#include "../../inc/MarlinConfig.h"
#include "../../core/serial_hook.h"

#include <WString.h>

struct MarlinSerialUSB {
  void begin(const long);
  void end();
  int peek();
  int read();
  void flush();
  int available();
  size_t write(const uint8_t c);

  #if ENABLED(SERIAL_STATS_DROPPED_RX)
    FORCE_INLINE uint32_t dropped() { return 0; }
  #endif

  #if ENABLED(SERIAL_STATS_MAX_RX_QUEUED)
    FORCE_INLINE int rxMaxEnqueued() { return 0; }
  #endif
};

#if SERIAL_PORT == -1
  typedef Serial1Class<MarlinSerialUSB> MSerialT1;
  extern MSerialT1 customizedSerial1;
#endif

#if SERIAL_PORT_2 == -1
  typedef Serial1Class<MarlinSerialUSB> MSerialT2;
  extern MSerialT2 customizedSerial2;
#endif

#if SERIAL_PORT_3 == -1
  typedef Serial1Class<MarlinSerialUSB> MSerialT3;
  extern MSerialT3 customizedSerial3;
#endif