Marlin_Firmware/Marlin/src/HAL/HAL_STM32F1/SoftwareSerial.h

/**
 * Marlin 3D Printer Firmware
 * Copyright (c) 2019 MarlinFirmware [https://github.com/MarlinFirmware/Marlin]
 *
 * 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 <http://www.gnu.org/licenses/>.
 *
 */
#pragma once

#include <stdint.h>

#define SW_SERIAL_PLACEHOLDER 1

class SoftwareSerial {
public:
  SoftwareSerial(int8_t RX_pin, int8_t TX_pin);

  void begin(const uint32_t baudrate);

  bool available();

  uint8_t read();
  uint16_t write(uint8_t byte);
  void flush();

  void listen();
  void stopListening();

protected:
  bool listening;
};